diff --git a/LICENSE b/LICENSE
index a55e43953e150542f6730f02ffb16cd6fdc079f3..b0403256d5c67eec0416077f69a74aac4348d0b0 100644
--- a/LICENSE
+++ b/LICENSE
@@ -175,7 +175,7 @@
 
    END OF TERMS AND CONDITIONS
 
-   Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+   Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/dnn/atlas-stub/src/libacl_cblas-wrap.cpp b/dnn/atlas-stub/src/libacl_cblas-wrap.cpp
index 6831f136259eb7f48b5ee016d233ac68d6c5edb0..85ff4651e86cc0ee28d61dd86cf969c80ca68bbc 100644
--- a/dnn/atlas-stub/src/libacl_cblas-wrap.cpp
+++ b/dnn/atlas-stub/src/libacl_cblas-wrap.cpp
@@ -2,7 +2,7 @@
  * \file dnn/atlas-stub/src/libacl_cblas-wrap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/atlas-stub/src/libatlas-wrap.cpp b/dnn/atlas-stub/src/libatlas-wrap.cpp
index cb8edd5678b731695ea249bc5e3dce0e4bdba0f3..9c2153f2392c8e866b9eef9b8a72ca58342d5150 100644
--- a/dnn/atlas-stub/src/libatlas-wrap.cpp
+++ b/dnn/atlas-stub/src/libatlas-wrap.cpp
@@ -2,7 +2,7 @@
  * \file dnn/atlas-stub/src/libatlas-wrap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/hcc_detail/hcc_defs_epilogue.h b/dnn/include/hcc_detail/hcc_defs_epilogue.h
index 3fbfe8682e560e6e532136169306c35380b65ebd..bb20636093c6a016dd8c0b2d9480659bcb8b4c20 100644
--- a/dnn/include/hcc_detail/hcc_defs_epilogue.h
+++ b/dnn/include/hcc_detail/hcc_defs_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/include/hcc_detail/hcc_defs_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/hcc_detail/hcc_defs_prologue.h b/dnn/include/hcc_detail/hcc_defs_prologue.h
index a5938115e8e512d42ac608186a8773bdfc8c1f8c..e93eb410ccc80739ac70cc104e753fc69038d038 100644
--- a/dnn/include/hcc_detail/hcc_defs_prologue.h
+++ b/dnn/include/hcc_detail/hcc_defs_prologue.h
@@ -2,7 +2,7 @@
  * \file dnn/include/hcc_detail/hcc_defs_prologue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/hip_header.h b/dnn/include/hip_header.h
index a9ef6f151b25884418b4fb0a73663b316fc288d6..d662f578f8deede3268ede6b6a4a93176cfbcf18 100644
--- a/dnn/include/hip_header.h
+++ b/dnn/include/hip_header.h
@@ -2,7 +2,7 @@
  * \file dnn/include/hip_header.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megcore.h b/dnn/include/megcore.h
index a8effea2e122424cf91d8650028334d76b00bfe2..3af2da532112595c1841c70520644bc09a6c52f6 100644
--- a/dnn/include/megcore.h
+++ b/dnn/include/megcore.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megcore.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megcore_atlas.h b/dnn/include/megcore_atlas.h
index 9785cf30d25e292b0f94cfe4fb6e37e4925d6fe3..308c6d747e4c2d1e524f1f0ea72e32a0f6f4efb9 100644
--- a/dnn/include/megcore_atlas.h
+++ b/dnn/include/megcore_atlas.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megcore_atlas.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megcore_cambricon.h b/dnn/include/megcore_cambricon.h
index a0103aa5746737e0b7f21987920bb9dadfa2233c..01031fb2ac805cf316e354740f5da19ed1994824 100644
--- a/dnn/include/megcore_cambricon.h
+++ b/dnn/include/megcore_cambricon.h
@@ -4,7 +4,7 @@
  * This file is part of MegDNN, a deep neural network run-time library
  * developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  */
 
 #pragma once
diff --git a/dnn/include/megcore_cdefs.h b/dnn/include/megcore_cdefs.h
index ac44ef30677b3b7eb1816bdde089f124eb497884..7506d4b2d91105c3d486103cd73bb6fe231e4edd 100644
--- a/dnn/include/megcore_cdefs.h
+++ b/dnn/include/megcore_cdefs.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megcore_cdefs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megcore_cuda.h b/dnn/include/megcore_cuda.h
index cf465df75cfecc3eaeb2f28dc3ee7328539bbf90..50f57d1747c19795bbe2044b0fa5e1465b40863a 100644
--- a/dnn/include/megcore_cuda.h
+++ b/dnn/include/megcore_cuda.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megcore_cuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megcore_rocm.h b/dnn/include/megcore_rocm.h
index 60d5270010b66c76a55e9898bda5fc01435bfb94..4cb5bea5240fd84907e1adba315a9f0674eef69b 100644
--- a/dnn/include/megcore_rocm.h
+++ b/dnn/include/megcore_rocm.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megcore_rocm.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn.h b/dnn/include/megdnn.h
index e35dc5207b3c55796a438b92dfb4a9f99f3b972a..2d60c166bba5e75873f8ab02f0cc920d3fbf4282 100644
--- a/dnn/include/megdnn.h
+++ b/dnn/include/megdnn.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/arch.h b/dnn/include/megdnn/arch.h
index c83323b7b0f9e0590367eba174ad925ede2e99fb..dea0dfd891c0d0976fad50f8e9acf86720deb956 100644
--- a/dnn/include/megdnn/arch.h
+++ b/dnn/include/megdnn/arch.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/arch.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/basic_types.h b/dnn/include/megdnn/basic_types.h
index 1ba892a78f672e196b5ac3d5a4629558635f1b61..b942b22a88dffccb6c8f4a12e2ec54e92300436c 100644
--- a/dnn/include/megdnn/basic_types.h
+++ b/dnn/include/megdnn/basic_types.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/basic_types.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/config/config.h b/dnn/include/megdnn/config/config.h
index adb7abd086a3bda48868865cf006cab4027ca6c6..619f786a6709ecdbfe6897636d46b81010138404 100644
--- a/dnn/include/megdnn/config/config.h
+++ b/dnn/include/megdnn/config/config.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/config/config.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/cuda.h b/dnn/include/megdnn/cuda.h
index afed2cfd057293846d7dcd858b5b5d0af2400a7d..a8f6f198a5417c182112b2430b194147b268f688 100644
--- a/dnn/include/megdnn/cuda.h
+++ b/dnn/include/megdnn/cuda.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/cuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/dtype.h b/dnn/include/megdnn/dtype.h
index c3d022a1081370a46ac06a93d259a208dc6c6247..4ec1bc532cc28c1ad34421d57edd3e6146bd048a 100644
--- a/dnn/include/megdnn/dtype.h
+++ b/dnn/include/megdnn/dtype.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/dtype.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/dtype/bfloat16.hpp b/dnn/include/megdnn/dtype/bfloat16.hpp
index 8de1a1e77d4ec8e2ca702bc05d7b17a7cb0bc32d..5342290b17acea5ec0734879b13efac5231cca76 100644
--- a/dnn/include/megdnn/dtype/bfloat16.hpp
+++ b/dnn/include/megdnn/dtype/bfloat16.hpp
@@ -24,7 +24,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/dtype/half.hpp b/dnn/include/megdnn/dtype/half.hpp
index b602f64f716c5698d0e725559d7b6b84e298c276..317b6c19210fc14d6fc45ac39a87c975f6b5d711 100644
--- a/dnn/include/megdnn/dtype/half.hpp
+++ b/dnn/include/megdnn/dtype/half.hpp
@@ -24,7 +24,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/dtype/half_common_epilogue.h b/dnn/include/megdnn/dtype/half_common_epilogue.h
index 34bae2d325d2e42e8436733330f9ebe0012c99d6..27f2e99f3b55e002a9e657665f22ce2484c04e8f 100644
--- a/dnn/include/megdnn/dtype/half_common_epilogue.h
+++ b/dnn/include/megdnn/dtype/half_common_epilogue.h
@@ -24,7 +24,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/dtype/half_common_prologue.h b/dnn/include/megdnn/dtype/half_common_prologue.h
index d96f785773dd6caa2fb2c9a66a72284fab53c748..72c949dce0932fffa26aea27adf23512828bae45 100644
--- a/dnn/include/megdnn/dtype/half_common_prologue.h
+++ b/dnn/include/megdnn/dtype/half_common_prologue.h
@@ -24,7 +24,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/handle.h b/dnn/include/megdnn/handle.h
index f594f6044a2ec5723b585ef34459bc6998f1a68a..dc403110a6eac42e1b83f12cebe5edfb93460c6a 100644
--- a/dnn/include/megdnn/handle.h
+++ b/dnn/include/megdnn/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/internal/defs.h b/dnn/include/megdnn/internal/defs.h
index 60bb8144e01c456d0218bbab9898bd346b417799..18960cb8c922300a0b44c247d69ca4360414d41a 100644
--- a/dnn/include/megdnn/internal/defs.h
+++ b/dnn/include/megdnn/internal/defs.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/internal/defs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/internal/opr_header_epilogue.h b/dnn/include/megdnn/internal/opr_header_epilogue.h
index 75898ac3a8d80e221f469d55573a52ee9ce6fe52..7a491c6d68cbc3789683b9644da2691f63477f68 100644
--- a/dnn/include/megdnn/internal/opr_header_epilogue.h
+++ b/dnn/include/megdnn/internal/opr_header_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/internal/opr_header_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/internal/opr_header_prologue.h b/dnn/include/megdnn/internal/opr_header_prologue.h
index 9331c0bff92bc50c5859bf7bbbfa00978d42e949..09f9d75bfb6d05f04f07dce7ec72878a9584555e 100644
--- a/dnn/include/megdnn/internal/opr_header_prologue.h
+++ b/dnn/include/megdnn/internal/opr_header_prologue.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/internal/opr_header_prologue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/internal/visibility_epilogue.h b/dnn/include/megdnn/internal/visibility_epilogue.h
index b40ce9068522430dc556ce2c7995cb4f57f8bb94..98c84bf50c473250e67a4fdfe5baee5be0b878d1 100644
--- a/dnn/include/megdnn/internal/visibility_epilogue.h
+++ b/dnn/include/megdnn/internal/visibility_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/internal/visibility_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/internal/visibility_prologue.h b/dnn/include/megdnn/internal/visibility_prologue.h
index 5c13f00d4318866c9d045abe74a209ba3bcaceec..1d68705fda8ea8f0bb2bd2133a1b387c6ba41f93 100644
--- a/dnn/include/megdnn/internal/visibility_prologue.h
+++ b/dnn/include/megdnn/internal/visibility_prologue.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/internal/visibility_prologue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/opr_result_defs.h b/dnn/include/megdnn/opr_result_defs.h
index 53e6e4ab33074f1d47d8803bb9ede185acbb05cc..f9451d655acb074c6facb0ae774b8f84e1ce50c0 100644
--- a/dnn/include/megdnn/opr_result_defs.h
+++ b/dnn/include/megdnn/opr_result_defs.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/opr_result_defs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs.h b/dnn/include/megdnn/oprs.h
index 35342cacbeb15b52f2904882125b4df62b13b3bb..0bdaeaa3771e81c1753b78e20d68a9ab7084f79b 100644
--- a/dnn/include/megdnn/oprs.h
+++ b/dnn/include/megdnn/oprs.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs/base.h b/dnn/include/megdnn/oprs/base.h
index 27bfc1b93cfd32ee7f0949778476494b52e4b1f8..e2c106348b2537373aeb640035a0321bae830d80 100644
--- a/dnn/include/megdnn/oprs/base.h
+++ b/dnn/include/megdnn/oprs/base.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs/base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs/cv.h b/dnn/include/megdnn/oprs/cv.h
index 6d75f54147c931de1b5009490061e872254e48b7..2ba5b767072c333ba090fa8a21be46ca77fab067 100644
--- a/dnn/include/megdnn/oprs/cv.h
+++ b/dnn/include/megdnn/oprs/cv.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs/cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs/general.h b/dnn/include/megdnn/oprs/general.h
index 490c8e9f90f6b969743264abb52c8e48fc588ea1..24745889bb81588a821fbdbab183a08a0f3f62cb 100644
--- a/dnn/include/megdnn/oprs/general.h
+++ b/dnn/include/megdnn/oprs/general.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs/general.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs/imgproc.h b/dnn/include/megdnn/oprs/imgproc.h
index 0a8aea551358d864017cfef936089139cd6b149c..71b615660f4763644a6d4cc0d64b5df29ddbe954 100644
--- a/dnn/include/megdnn/oprs/imgproc.h
+++ b/dnn/include/megdnn/oprs/imgproc.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs/imgproc.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs/linalg.h b/dnn/include/megdnn/oprs/linalg.h
index 78672a7511427b7596c3a2ff45cb72d3fc0c6ace..135200a12baf5bef958d19fdd9429b51ab28be9a 100644
--- a/dnn/include/megdnn/oprs/linalg.h
+++ b/dnn/include/megdnn/oprs/linalg.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs/linalg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs/nn.h b/dnn/include/megdnn/oprs/nn.h
index 12514f746836fcc082d84a9bcfdcef8b7efef76b..406c4ea59586b2f1cf3d86bd27ec1647b6ef0e19 100644
--- a/dnn/include/megdnn/oprs/nn.h
+++ b/dnn/include/megdnn/oprs/nn.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs/nn.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs/nn_int.h b/dnn/include/megdnn/oprs/nn_int.h
index 19fe69e133417e7f41e50a198a79494d1daaf4d3..4437839471297acfb9d5ae0505599ccecd289931 100644
--- a/dnn/include/megdnn/oprs/nn_int.h
+++ b/dnn/include/megdnn/oprs/nn_int.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs/nn_int.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/oprs/utils.h b/dnn/include/megdnn/oprs/utils.h
index de7e72e154b6182528ea336ef1a594233bbc27d8..7583427db1b340101a0a1ec3e678b2179612ded6 100644
--- a/dnn/include/megdnn/oprs/utils.h
+++ b/dnn/include/megdnn/oprs/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/oprs/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/tensor_format.h b/dnn/include/megdnn/tensor_format.h
index 46347f3be98bc184b2c64899184b4ac928c763b7..bc479be4ac39c65cbebc8b786ad87720c7eddc0a 100644
--- a/dnn/include/megdnn/tensor_format.h
+++ b/dnn/include/megdnn/tensor_format.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/tensor_format.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/tensor_iter.h b/dnn/include/megdnn/tensor_iter.h
index e6d7cd2f4ea8f69ce1f33e06a3d74ee73d10c7cb..8857fc603b9cc897703408dea5638b52c67c72c4 100644
--- a/dnn/include/megdnn/tensor_iter.h
+++ b/dnn/include/megdnn/tensor_iter.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/tensor_iter.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/thin/function.h b/dnn/include/megdnn/thin/function.h
index 632fd27c27515438ac1e164ee4e4100f82cb6bb2..ab3849ea75124558526150624b1193616efabdd9 100644
--- a/dnn/include/megdnn/thin/function.h
+++ b/dnn/include/megdnn/thin/function.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/thin/function.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/include/megdnn/thin/small_vector.h b/dnn/include/megdnn/thin/small_vector.h
index 338d246668fc3a5f1810235613c898f9028dfea3..c482bd26208d9b70c31df97197f2fa08c4355b29 100644
--- a/dnn/include/megdnn/thin/small_vector.h
+++ b/dnn/include/megdnn/thin/small_vector.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/thin/small_vector.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
@@ -28,7 +28,7 @@
  *
  * \brief thin megdnn function
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  */
 #pragma once
 
diff --git a/dnn/include/megdnn/version.h b/dnn/include/megdnn/version.h
index bd80099308ccd5f5c0835d6b103e4751c4caa82b..a9e36c32bb05e2de21d6971731a4f5ec08396709 100644
--- a/dnn/include/megdnn/version.h
+++ b/dnn/include/megdnn/version.h
@@ -2,7 +2,7 @@
  * \file dnn/include/megdnn/version.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/fp16/algos.cpp b/dnn/src/aarch64/conv_bias/fp16/algos.cpp
index 8aa0dab5d19ceba3fe1999338c8aaa5b6e07d7a1..402a580d9886c0b67939ab30ba2ac527aac0b2bd 100644
--- a/dnn/src/aarch64/conv_bias/fp16/algos.cpp
+++ b/dnn/src/aarch64/conv_bias/fp16/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/fp16/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/fp16/algos.h b/dnn/src/aarch64/conv_bias/fp16/algos.h
index c6ddc95ba1aea1ae8f99587b8c038e69705fc650..2566ebc0745f4a614310807509a42d66c722b5fa 100644
--- a/dnn/src/aarch64/conv_bias/fp16/algos.h
+++ b/dnn/src/aarch64/conv_bias/fp16/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/fp16/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/fp16/stride2_kern.h b/dnn/src/aarch64/conv_bias/fp16/stride2_kern.h
index 92d64907c044acd7b5a06236db270706e40c1aee..4f7ad3a1a9c9e987dc506d12582c6a2156302b43 100644
--- a/dnn/src/aarch64/conv_bias/fp16/stride2_kern.h
+++ b/dnn/src/aarch64/conv_bias/fp16/stride2_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/fp16/stride2_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/fp32/algos.cpp b/dnn/src/aarch64/conv_bias/fp32/algos.cpp
index 3742032db83816c441bb0dfae60117d8360d8974..9517b9d7783395b4829d68c203f13d3101ecfe1e 100644
--- a/dnn/src/aarch64/conv_bias/fp32/algos.cpp
+++ b/dnn/src/aarch64/conv_bias/fp32/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/fp32/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/fp32/algos.h b/dnn/src/aarch64/conv_bias/fp32/algos.h
index 53a339681c0781681692e851c389b35e50dde1ee..ba1fe98bc93fdb11774eae15dbaa5b60b857c7a5 100644
--- a/dnn/src/aarch64/conv_bias/fp32/algos.h
+++ b/dnn/src/aarch64/conv_bias/fp32/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/fp32/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/fp32/stride2_kern.h b/dnn/src/aarch64/conv_bias/fp32/stride2_kern.h
index a02ddfd89866484118936b08c6d5cd5286e5643a..3db3c197dcbec3ea1021457c4474cac93b5639c6 100644
--- a/dnn/src/aarch64/conv_bias/fp32/stride2_kern.h
+++ b/dnn/src/aarch64/conv_bias/fp32/stride2_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/fp32/stride2_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/int8/algos.cpp b/dnn/src/aarch64/conv_bias/int8/algos.cpp
index 802793d7d91968cd06faa39af0350c8f00acf9d4..c7124f94d8e5056d566c1c477307d2bd29c12a6f 100644
--- a/dnn/src/aarch64/conv_bias/int8/algos.cpp
+++ b/dnn/src/aarch64/conv_bias/int8/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/int8/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/int8/algos.h b/dnn/src/aarch64/conv_bias/int8/algos.h
index 4a5bf6b1370754c4db7f0e507328a0e19a686bc6..cc19d1856b394c1947863e765ce9a8dc23d7b393 100644
--- a/dnn/src/aarch64/conv_bias/int8/algos.h
+++ b/dnn/src/aarch64/conv_bias/int8/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/int8/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/int8/strategy.cpp b/dnn/src/aarch64/conv_bias/int8/strategy.cpp
index cc8a67617acc21415ca388f9dc2444de3a2abc66..03ff911977b7dbff33a8a4436f7f79623434c500 100644
--- a/dnn/src/aarch64/conv_bias/int8/strategy.cpp
+++ b/dnn/src/aarch64/conv_bias/int8/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/int8/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/int8/strategy.h b/dnn/src/aarch64/conv_bias/int8/strategy.h
index 092e9301ccb1fea520de872a22db6540964b3ef7..e419749b2e2fa6fb3c7cb8fbcb63da0f380176c4 100644
--- a/dnn/src/aarch64/conv_bias/int8/strategy.h
+++ b/dnn/src/aarch64/conv_bias/int8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/int8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/opr_impl.cpp b/dnn/src/aarch64/conv_bias/opr_impl.cpp
index 9bca6877b52cda0f2faf5058a82222cd47259cf7..53da143f3a2485ffa9fca9829443eaf1170819a9 100644
--- a/dnn/src/aarch64/conv_bias/opr_impl.cpp
+++ b/dnn/src/aarch64/conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/opr_impl.h b/dnn/src/aarch64/conv_bias/opr_impl.h
index f1867cf9da2379ffe007bf2880d777936e47c621..f47c9f627ba0a007ecde0e42cc707690445a8a4c 100644
--- a/dnn/src/aarch64/conv_bias/opr_impl.h
+++ b/dnn/src/aarch64/conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/quint8/algos.cpp b/dnn/src/aarch64/conv_bias/quint8/algos.cpp
index a34d840d381e5c85da401432eb5839e975358819..5dbaea87919e8453ec747e1538e4c5d7c4508446 100644
--- a/dnn/src/aarch64/conv_bias/quint8/algos.cpp
+++ b/dnn/src/aarch64/conv_bias/quint8/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/quint8/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/quint8/algos.h b/dnn/src/aarch64/conv_bias/quint8/algos.h
index ba3ab20379dad1aa38d696187a0a4f606a45b9a0..7cc9a97147c6654bbd18ac1d72a6d751d35aa97d 100644
--- a/dnn/src/aarch64/conv_bias/quint8/algos.h
+++ b/dnn/src/aarch64/conv_bias/quint8/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/quint8/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/quint8/strategy.cpp b/dnn/src/aarch64/conv_bias/quint8/strategy.cpp
index 02fbff23e7ebdd3af9e861dc7b7d451aa603f0a2..b1fa5f4949f35f58e16d96d70b7241777c9d48f7 100644
--- a/dnn/src/aarch64/conv_bias/quint8/strategy.cpp
+++ b/dnn/src/aarch64/conv_bias/quint8/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/quint8/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/conv_bias/quint8/strategy.h b/dnn/src/aarch64/conv_bias/quint8/strategy.h
index 43c5302038017450dbcfdcf8da1250926415424a..fe109f1b9d100c38375ee0b057112efa8f50b41d 100644
--- a/dnn/src/aarch64/conv_bias/quint8/strategy.h
+++ b/dnn/src/aarch64/conv_bias/quint8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/conv_bias/quint8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/handle.cpp b/dnn/src/aarch64/handle.cpp
index 9d894b9bb6012cc7acd399bc23d672c95b6d0823..b84e30016ce63e339547c5ec5f0b18dbb6289dcf 100644
--- a/dnn/src/aarch64/handle.cpp
+++ b/dnn/src/aarch64/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/handle.h b/dnn/src/aarch64/handle.h
index 70b5fea9220c75a744bec3d2e4c2e33fba54174c..9e97a10837ecf2f6da8f201955ae5cbc347503eb 100644
--- a/dnn/src/aarch64/handle.h
+++ b/dnn/src/aarch64/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/algos.cpp b/dnn/src/aarch64/matrix_mul/algos.cpp
index 0df002323e4931bfe5ac4d850ccc1368d47130af..dd7121954d03a948266d5583aa8fafa254fa0561 100644
--- a/dnn/src/aarch64/matrix_mul/algos.cpp
+++ b/dnn/src/aarch64/matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/algos.h b/dnn/src/aarch64/matrix_mul/algos.h
index fcb7188f30533018bba48d6621c4e0f44b344ffd..12e42f457c0a9d912c81c8df96ddd8eec6678442 100644
--- a/dnn/src/aarch64/matrix_mul/algos.h
+++ b/dnn/src/aarch64/matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/asm/common.h b/dnn/src/aarch64/matrix_mul/asm/common.h
index 5c4ed664c8b1fb2a67d69871f9ac86581928425b..98e829a82716189419145676c4f36dd2ecba48f3 100644
--- a/dnn/src/aarch64/matrix_mul/asm/common.h
+++ b/dnn/src/aarch64/matrix_mul/asm/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/asm/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp16/strategy.cpp b/dnn/src/aarch64/matrix_mul/fp16/strategy.cpp
index 76be2eda6071e967cd45a9cc32458127877b1341..bdb02eb3e7b18b7ef4cf5b83625e822814593002 100644
--- a/dnn/src/aarch64/matrix_mul/fp16/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/fp16/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp16/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp16/strategy.h b/dnn/src/aarch64/matrix_mul/fp16/strategy.h
index f3358b6994bd6650e55b8b0ec9783cc9655ce3de..f2ff668870e288065552dbc4dcfcf900d5b9c234 100644
--- a/dnn/src/aarch64/matrix_mul/fp16/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/fp16/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp16/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp16/strategy_mk8_8x8.cpp b/dnn/src/aarch64/matrix_mul/fp16/strategy_mk8_8x8.cpp
index 9de2d3e9c65b12b699685187026e6db766ce9bc8..38bc1695963fec711f70e45be16ba9acd9308a22 100644
--- a/dnn/src/aarch64/matrix_mul/fp16/strategy_mk8_8x8.cpp
+++ b/dnn/src/aarch64/matrix_mul/fp16/strategy_mk8_8x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp16/strategy_mk8_8x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/common.h b/dnn/src/aarch64/matrix_mul/fp32/common.h
index 50120684de8878d09936ef06e563b83b0dd1a4b2..9892a490265bbede979071e5e40bf1f4f168782c 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/common.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/kernel_general_4x16.h b/dnn/src/aarch64/matrix_mul/fp32/kernel_general_4x16.h
index 6ed46ee4a6ac28cd425cfa28114c86cc83fc83d5..0b7cc77d59507fccd1912a4b5f7ae1c91aaf34ef 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/kernel_general_4x16.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/kernel_general_4x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/kernel_general_4x16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12.h b/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12.h
index d317e88fba08daef720c7b9a4ffd654cbd347e64..9f76c80a6db824df7f6bd6ed6bc39b7b2b1c202f 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a53.h b/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a53.h
index 46632f57fd135488abecdad8c62360593294bc7e..880c997f25bbde14c1dadfefbad3ae66401ec137 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a53.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a53.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a55.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a55.h b/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a55.h
index c205a48d470a4a0bbb2c56f8a3942b939e36e80e..21837d73953e2147d3f65834b9bb5791b756acff 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a55.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a55.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/kernel_general_8x12_a55.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12.h b/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12.h
index 2a230562bf45147cf4d304bd54406e2b13ecec6d..4360d50296823b42fa8ddd0af33d136b67601029 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a53.h b/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a53.h
index 50263bd407f85766c6cffcb47e1de435658ea4a4..5f438c57fe3180cac6d36c331a7e91cd76117ee2 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a53.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a53.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a53.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a55.h b/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a55.h
index 23bed9509d20bdfe705b794e391819154cde52fe..a6de35f06eba69fd48b978dacab8205073b2bd2e 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a55.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a55.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/kernel_mk4_8x12_a55.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/strategy.cpp b/dnn/src/aarch64/matrix_mul/fp32/strategy.cpp
index 7e34ac457dd66646a3e105e08ea0b098371ed497..7f218358389875b5359d0e56ec659391facbaa9d 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/fp32/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/strategy.h b/dnn/src/aarch64/matrix_mul/fp32/strategy.h
index b1cfe2d871a72db55ae6349c7bdbe9852498b515..3b7980b8c3a3c5c6cc1de10d08df85528d256976 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/fp32/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/fp32/strategy_mk4_4x16.cpp b/dnn/src/aarch64/matrix_mul/fp32/strategy_mk4_4x16.cpp
index fa88550e06f5cee6e20bb1f13e2cb51587d0f999..253178b5dc22aa6b1caf2c65775d5419f82fbf33 100644
--- a/dnn/src/aarch64/matrix_mul/fp32/strategy_mk4_4x16.cpp
+++ b/dnn/src/aarch64/matrix_mul/fp32/strategy_mk4_4x16.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/fp32/strategy_mk4_4x16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int16/kernel_12x8x1.h b/dnn/src/aarch64/matrix_mul/int16/kernel_12x8x1.h
index cc5d04c1d44bf3509946cd2aa5afa5d3123a26e5..3c4d96057563c70622b5a3198e8591a337e1c0ca 100644
--- a/dnn/src/aarch64/matrix_mul/int16/kernel_12x8x1.h
+++ b/dnn/src/aarch64/matrix_mul/int16/kernel_12x8x1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int16/kernel_12x8x1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int16/strategy.cpp b/dnn/src/aarch64/matrix_mul/int16/strategy.cpp
index 2b798cf0f464f1fb480010ee397e72b86e3fb15d..29c150cfc26e961fab56cac99975550fa8644519 100644
--- a/dnn/src/aarch64/matrix_mul/int16/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/int16/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int16/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int16/strategy.h b/dnn/src/aarch64/matrix_mul/int16/strategy.h
index c67c25b891eab4b1ebc0521dc276eab955080bd4..22f5476aa1c5977b5c536afa2b0ddd143f6b0c28 100644
--- a/dnn/src/aarch64/matrix_mul/int16/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/int16/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int16/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int16/strategy_mk8_8x8.cpp b/dnn/src/aarch64/matrix_mul/int16/strategy_mk8_8x8.cpp
index e358d41156a0a77d0f986efd6c0627761454944f..644e12312059df894b7197a45f15b64ae370018c 100644
--- a/dnn/src/aarch64/matrix_mul/int16/strategy_mk8_8x8.cpp
+++ b/dnn/src/aarch64/matrix_mul/int16/strategy_mk8_8x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int16/strategy_mk8_8x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int4x4x16/kernel_int4_8x8x8.h b/dnn/src/aarch64/matrix_mul/int4x4x16/kernel_int4_8x8x8.h
index 35ea47ef3e413052cc61e0fbc7ff616f43c9d40b..1a5f51191869a174838b6e4b6a507fecbc0684b4 100644
--- a/dnn/src/aarch64/matrix_mul/int4x4x16/kernel_int4_8x8x8.h
+++ b/dnn/src/aarch64/matrix_mul/int4x4x16/kernel_int4_8x8x8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int4x4x16/kernel_8x8x8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int4x4x16/strategy.cpp b/dnn/src/aarch64/matrix_mul/int4x4x16/strategy.cpp
index 3b91f61d0d3222503e9a97f9725d8d490f2477c3..4c06d5ed1e374e32f8b3c1cd7e809911ae9237dc 100644
--- a/dnn/src/aarch64/matrix_mul/int4x4x16/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/int4x4x16/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int4x4x16/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int4x4x16/strategy.h b/dnn/src/aarch64/matrix_mul/int4x4x16/strategy.h
index 52762c24de4dc95997e8a631527fd47425ca3b52..a23acbec62e68b2483466455e5e24aa2283ee0e6 100644
--- a/dnn/src/aarch64/matrix_mul/int4x4x16/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/int4x4x16/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int4x4x16/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8/kernel_4x4x16.h b/dnn/src/aarch64/matrix_mul/int8/kernel_4x4x16.h
index 0503cebceb6770bcc0fb4dbe20f6745132aa1f33..90816b55422fb58988abd3d9155fbf8487820d0a 100644
--- a/dnn/src/aarch64/matrix_mul/int8/kernel_4x4x16.h
+++ b/dnn/src/aarch64/matrix_mul/int8/kernel_4x4x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8/kernel_4x4x16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8/kernel_8x8x8.h b/dnn/src/aarch64/matrix_mul/int8/kernel_8x8x8.h
index ebad760ff5cccc8b2230663690a5559a6591075b..6dfbbb3124bd4e4603442bc46c97a70943956b40 100644
--- a/dnn/src/aarch64/matrix_mul/int8/kernel_8x8x8.h
+++ b/dnn/src/aarch64/matrix_mul/int8/kernel_8x8x8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8/kernel_8x8x8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8/kernel_mk4_4x4x16.h b/dnn/src/aarch64/matrix_mul/int8/kernel_mk4_4x4x16.h
index 497c0b9e212bf750d1da054eca123ef44acd7843..c4dbadf110513f1ad9fe0a442eee7372db96df15 100644
--- a/dnn/src/aarch64/matrix_mul/int8/kernel_mk4_4x4x16.h
+++ b/dnn/src/aarch64/matrix_mul/int8/kernel_mk4_4x4x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8/kernel_mk4_4x4x16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8/strategy.cpp b/dnn/src/aarch64/matrix_mul/int8/strategy.cpp
index 882e8da0eec2d5056ecfd0d5ec8dbfe81e38eecc..41eb3b172839b05541caec8bb66f5081e5a63ea4 100644
--- a/dnn/src/aarch64/matrix_mul/int8/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/int8/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8/strategy.h b/dnn/src/aarch64/matrix_mul/int8/strategy.h
index 933b67e1e27a0465ec1e660a7e7d8456c01b8caf..b2909737bae50269cc5a71e5467955e03bfb4ffa 100644
--- a/dnn/src/aarch64/matrix_mul/int8/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/int8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8_dot/kernel_8x12x4.h b/dnn/src/aarch64/matrix_mul/int8_dot/kernel_8x12x4.h
index 1f08d31ba7b8b5b06820d616410f6683281b27cb..d59e3a60392d16be75f86ef138464da03803909c 100644
--- a/dnn/src/aarch64/matrix_mul/int8_dot/kernel_8x12x4.h
+++ b/dnn/src/aarch64/matrix_mul/int8_dot/kernel_8x12x4.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8_dot/kernel_8x12x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8_dot/kernel_mk4_8x12x4.h b/dnn/src/aarch64/matrix_mul/int8_dot/kernel_mk4_8x12x4.h
index a24e0220077606d423233031bf5052886c528d7a..369c5e2e4855e3c452e2ae3ff3ed4c4784d8f0bc 100644
--- a/dnn/src/aarch64/matrix_mul/int8_dot/kernel_mk4_8x12x4.h
+++ b/dnn/src/aarch64/matrix_mul/int8_dot/kernel_mk4_8x12x4.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8_dot/kernel_mk4_8x12x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8_dot/strategy.cpp b/dnn/src/aarch64/matrix_mul/int8_dot/strategy.cpp
index bf4a2f3aa26de77b2f7ea96846088b04c4daa4d9..ce72b693166ad56b679d9e51ca7bf3cf012ef5b9 100644
--- a/dnn/src/aarch64/matrix_mul/int8_dot/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/int8_dot/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8_dot/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8_dot/strategy.h b/dnn/src/aarch64/matrix_mul/int8_dot/strategy.h
index f91a37e9cd7cfbc59a20c303c843b84f80900562..48382035c894deb27126a5f950bc1006ac051e60 100644
--- a/dnn/src/aarch64/matrix_mul/int8_dot/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/int8_dot/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8_dot/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_4x4x16.h b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_4x4x16.h
index de93bf8b9d622f799137f16c73c77edec53c0579..90f70c75dd33e3283494ca480b36eb3835ba6fdc 100644
--- a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_4x4x16.h
+++ b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_4x4x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8x8x16/kernel_4x4x16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_8x8x8.h b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_8x8x8.h
index ae4469447e64bb9a65ae26e4f3f2300d8eb5f4fd..b5bd58abed67922cb257c1c73b358b9b5aa6860f 100644
--- a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_8x8x8.h
+++ b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_8x8x8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8x8x16/kernel_8x8x8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_16x12x4_a53.h b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_16x12x4_a53.h
index 6059c646400d7329ccae2ae7878c203124ccbd6e..99c79a7945ba6591fb2c7d5e6718fad460bf7c4f 100644
--- a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_16x12x4_a53.h
+++ b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_16x12x4_a53.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8x8x16/kernel_mk4_8x8x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_4x4x8_a72.h b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_4x4x8_a72.h
index 417e51557f98ba909e065b7117a198fc76b8b5ec..00a142ab5c16d04aae192e35fc285cf2486f0bb0 100644
--- a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_4x4x8_a72.h
+++ b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_4x4x8_a72.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_4x4x8_a72.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_8x8x8.h b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_8x8x8.h
index 80db73b7c965a38a956acfa2fcaab153601aaca7..184f4d961331217b88e67c8165e843833e611e90 100644
--- a/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_8x8x8.h
+++ b/dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_8x8x8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8x8x16/kernel_mk4_8x8x8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8x8x16/strategy.cpp b/dnn/src/aarch64/matrix_mul/int8x8x16/strategy.cpp
index cd2f2e13825651fb0ba3e899125ec80ecfe5c769..08ae289f82357c0840b2493b0af1eae6391eae23 100644
--- a/dnn/src/aarch64/matrix_mul/int8x8x16/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/int8x8x16/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8x8x16/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/int8x8x16/strategy.h b/dnn/src/aarch64/matrix_mul/int8x8x16/strategy.h
index 0b320712af7d1585a75caa178320d939777864ff..a303a26f60bbeab2fbd3941bfd813481532551b0 100644
--- a/dnn/src/aarch64/matrix_mul/int8x8x16/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/int8x8x16/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/int8x8x16/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/opr_impl.cpp b/dnn/src/aarch64/matrix_mul/opr_impl.cpp
index c673c855f8fa1ddcb89b77e91142f522956b257b..54ddd8ec4d45ec327a4ea0b2121035f7f8b81f7f 100644
--- a/dnn/src/aarch64/matrix_mul/opr_impl.cpp
+++ b/dnn/src/aarch64/matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/opr_impl.h b/dnn/src/aarch64/matrix_mul/opr_impl.h
index fce50f989e70a5cdb3d69c77c362fdb3f7ebce51..b9738a3b44f9d94459e0b97d611bb67ae9a86b93 100644
--- a/dnn/src/aarch64/matrix_mul/opr_impl.h
+++ b/dnn/src/aarch64/matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/quint8/kernel_8x8x8.h b/dnn/src/aarch64/matrix_mul/quint8/kernel_8x8x8.h
index 9ddc7d07f56be5e9d45db2c2796231e6519fd5d4..d11df457b5c3a1f03ac5947e252b491fa6d294c5 100644
--- a/dnn/src/aarch64/matrix_mul/quint8/kernel_8x8x8.h
+++ b/dnn/src/aarch64/matrix_mul/quint8/kernel_8x8x8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/quint8/kernel_8x8x8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/quint8/strategy.cpp b/dnn/src/aarch64/matrix_mul/quint8/strategy.cpp
index 96079e6d3902757c9daef4474de87ab1223c6b98..e560b773863e0205ba8a1e14ce0a8f1c8544f32a 100644
--- a/dnn/src/aarch64/matrix_mul/quint8/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/quint8/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/quint8/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/quint8/strategy.h b/dnn/src/aarch64/matrix_mul/quint8/strategy.h
index e76830dd4ae59e460c9a8f505d8383b0b350eab0..93214ef4b5a0f2d4f58256f6417a0ff330e5276b 100644
--- a/dnn/src/aarch64/matrix_mul/quint8/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/quint8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/quint8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/quint8_dot/gemv.cpp b/dnn/src/aarch64/matrix_mul/quint8_dot/gemv.cpp
index 0497f9fbce97f128bfc528afd224793d9e0cda03..b352357279311fc86f315e1b16e6ab9da709c859 100644
--- a/dnn/src/aarch64/matrix_mul/quint8_dot/gemv.cpp
+++ b/dnn/src/aarch64/matrix_mul/quint8_dot/gemv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/quint8_dot/gemv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/quint8_dot/gemv.h b/dnn/src/aarch64/matrix_mul/quint8_dot/gemv.h
index e7d8e85bdd2173d27bf282d6b5af6929fd1f08dd..ba633ffa84c44a363c03e24440d16dd018f2c823 100644
--- a/dnn/src/aarch64/matrix_mul/quint8_dot/gemv.h
+++ b/dnn/src/aarch64/matrix_mul/quint8_dot/gemv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/quint8_dot/gemv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/quint8_dot/kernel_8x8x4.h b/dnn/src/aarch64/matrix_mul/quint8_dot/kernel_8x8x4.h
index 3cb1c1b86f19ab888ccc883d0a4a7cbab58ba558..928b8d1f01ba301a858c8feb903539dfc252f4b4 100644
--- a/dnn/src/aarch64/matrix_mul/quint8_dot/kernel_8x8x4.h
+++ b/dnn/src/aarch64/matrix_mul/quint8_dot/kernel_8x8x4.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/quint8_dot/kernel_8x8x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/quint8_dot/strategy.cpp b/dnn/src/aarch64/matrix_mul/quint8_dot/strategy.cpp
index 305996b35278546e0d5e1c2754ebdad344b15ea9..33e44c327de93a78f4695d98ed3976949dc5df57 100644
--- a/dnn/src/aarch64/matrix_mul/quint8_dot/strategy.cpp
+++ b/dnn/src/aarch64/matrix_mul/quint8_dot/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/quint8_dot/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/matrix_mul/quint8_dot/strategy.h b/dnn/src/aarch64/matrix_mul/quint8_dot/strategy.h
index c84eee076c5353face607a828577c6a26787e5ca..5d32405e28c569e8eaeaf350b3786b8a4bab292a 100644
--- a/dnn/src/aarch64/matrix_mul/quint8_dot/strategy.h
+++ b/dnn/src/aarch64/matrix_mul/quint8_dot/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/matrix_mul/quint8_dot/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/relayout/opr_impl.cpp b/dnn/src/aarch64/relayout/opr_impl.cpp
index df34c8121d0d2b3e5611d11c7fa2de86e1367a97..8e7f8524dd9470023e4d8dfa19f144789ce20f8d 100644
--- a/dnn/src/aarch64/relayout/opr_impl.cpp
+++ b/dnn/src/aarch64/relayout/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/relayout/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/relayout/opr_impl.h b/dnn/src/aarch64/relayout/opr_impl.h
index 96195cee98c7991aac7d27e453b69d0d4a143826..61035b27cc2f8d9263ecaeb57adaebf98ab34607 100644
--- a/dnn/src/aarch64/relayout/opr_impl.h
+++ b/dnn/src/aarch64/relayout/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/relayout/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/rotate/opr_impl.cpp b/dnn/src/aarch64/rotate/opr_impl.cpp
index f8a0cd51578ea07b721703d326a548b6cc86e0d9..1ad25d880bb0cc5b987f51c3177d61d8c4f7403d 100644
--- a/dnn/src/aarch64/rotate/opr_impl.cpp
+++ b/dnn/src/aarch64/rotate/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/rotate/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/rotate/opr_impl.h b/dnn/src/aarch64/rotate/opr_impl.h
index 099c00352a507a50c0886fe03924a7e18c8fc50d..eba709fc8ea2e664b32a1a35b12d6528119dde08 100644
--- a/dnn/src/aarch64/rotate/opr_impl.h
+++ b/dnn/src/aarch64/rotate/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/rotate/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/warp_perspective/opr_impl.cpp b/dnn/src/aarch64/warp_perspective/opr_impl.cpp
index 9b9e6a7917a4fc1804835e6600192019fc153b23..defa9d056a654376be886da8730857bbdf52db4b 100644
--- a/dnn/src/aarch64/warp_perspective/opr_impl.cpp
+++ b/dnn/src/aarch64/warp_perspective/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/warp_perspective/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/warp_perspective/opr_impl.h b/dnn/src/aarch64/warp_perspective/opr_impl.h
index c5fd11ce9977cd1b0790678bed8806100bc783d7..232276131e39a675202aa138d775e0a9ffe8f2e9 100644
--- a/dnn/src/aarch64/warp_perspective/opr_impl.h
+++ b/dnn/src/aarch64/warp_perspective/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/warp_perspective/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/warp_perspective/warp_perspective_cv.cpp b/dnn/src/aarch64/warp_perspective/warp_perspective_cv.cpp
index 60c57873a057dfb7675a5d74984c9d5b777391fa..3b7b1cdaba17bd9af300b812819fe195d19646fe 100644
--- a/dnn/src/aarch64/warp_perspective/warp_perspective_cv.cpp
+++ b/dnn/src/aarch64/warp_perspective/warp_perspective_cv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/warp_perspective/warp_perspective_cv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/aarch64/warp_perspective/warp_perspective_cv.h b/dnn/src/aarch64/warp_perspective/warp_perspective_cv.h
index cf181fc3943dce792fe382711d79ce7e05d66173..39071b6b04f2c5f1c2fd65caa2ccf50d0ed9ab59 100644
--- a/dnn/src/aarch64/warp_perspective/warp_perspective_cv.h
+++ b/dnn/src/aarch64/warp_perspective/warp_perspective_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/aarch64/warp_perspective/warp_perspective_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/block_helper.h b/dnn/src/arm_common/conv_bias/block_helper.h
index 7ff14817e9f126d2a2aa27237eaad1b8256c661c..9eea2a2d812500d7b2dc67cb7ee1be1aa66df46a 100644
--- a/dnn/src/arm_common/conv_bias/block_helper.h
+++ b/dnn/src/arm_common/conv_bias/block_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/block_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/direct/multi_thread_common.cpp b/dnn/src/arm_common/conv_bias/direct/multi_thread_common.cpp
index 7304e4d485de3b02adf8660423358dc95846af68..e68a6cb4a2e199a97ea7e078bd9c65205c325351 100644
--- a/dnn/src/arm_common/conv_bias/direct/multi_thread_common.cpp
+++ b/dnn/src/arm_common/conv_bias/direct/multi_thread_common.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/direct/multi_thread_common.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/direct/multi_thread_common.h b/dnn/src/arm_common/conv_bias/direct/multi_thread_common.h
index 8148097208f53a09dc43986f1fc2067924868531..921ed6ef948ef97448056880d7f60dbd6ad45aec 100644
--- a/dnn/src/arm_common/conv_bias/direct/multi_thread_common.h
+++ b/dnn/src/arm_common/conv_bias/direct/multi_thread_common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/direct/multi_thread_common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/algos.cpp b/dnn/src/arm_common/conv_bias/f16/algos.cpp
index fd256fd9a92c24f718579e305ecae1edbac2efb7..9302b29be0e26c7af78fd1c07c6b8d8d67048b77 100644
--- a/dnn/src/arm_common/conv_bias/f16/algos.cpp
+++ b/dnn/src/arm_common/conv_bias/f16/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/algos.h b/dnn/src/arm_common/conv_bias/f16/algos.h
index 47c0ead50f95b5c8875b7552ced5125c914abaca..02f957fe79cdf2631aa3c542eeb9d2218f82f8b3 100644
--- a/dnn/src/arm_common/conv_bias/f16/algos.h
+++ b/dnn/src/arm_common/conv_bias/f16/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/direct.cpp b/dnn/src/arm_common/conv_bias/f16/direct.cpp
index b291e04cad07011b8be5263f0a760a5d4081a48a..feaacd20f4536bf5c00475a056f9e1804cb344db 100644
--- a/dnn/src/arm_common/conv_bias/f16/direct.cpp
+++ b/dnn/src/arm_common/conv_bias/f16/direct.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/direct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/direct.h b/dnn/src/arm_common/conv_bias/f16/direct.h
index 7a556eec9d471cb9bd01ddbadcf303b274be4e71..7949d310ee681ac903bde1edd591c448d6f3b4c8 100644
--- a/dnn/src/arm_common/conv_bias/f16/direct.h
+++ b/dnn/src/arm_common/conv_bias/f16/direct.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/direct.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/do_conv_stride1.cpp b/dnn/src/arm_common/conv_bias/f16/do_conv_stride1.cpp
index 4ddbebf7256cd34a5770decc60979189f6d4a70c..2768ba9cd1c6750d9331a74385435505bb0d8cf4 100644
--- a/dnn/src/arm_common/conv_bias/f16/do_conv_stride1.cpp
+++ b/dnn/src/arm_common/conv_bias/f16/do_conv_stride1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/do_conv_stride1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/do_conv_stride1.h b/dnn/src/arm_common/conv_bias/f16/do_conv_stride1.h
index 951596912c0ee188694ff19010b324c8c7a8fd0e..ede394eefa5fd0054d84d5475329a5b2c727a1a5 100644
--- a/dnn/src/arm_common/conv_bias/f16/do_conv_stride1.h
+++ b/dnn/src/arm_common/conv_bias/f16/do_conv_stride1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/do_conv_stride1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/helper.h b/dnn/src/arm_common/conv_bias/f16/helper.h
index 8e88e3e24d0a440293e1b48a0d96e8ab52eccf67..6d4f253e2fa25ac31a3bdda432d68673a45ce8c7 100644
--- a/dnn/src/arm_common/conv_bias/f16/helper.h
+++ b/dnn/src/arm_common/conv_bias/f16/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/strategy.h b/dnn/src/arm_common/conv_bias/f16/strategy.h
index 3e47097f33cc4f9514406cb2ea061e8c9a07ac52..4a9fd473d83604db49cff7cd342620a002dd4eac 100644
--- a/dnn/src/arm_common/conv_bias/f16/strategy.h
+++ b/dnn/src/arm_common/conv_bias/f16/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/strategy_2x3.cpp b/dnn/src/arm_common/conv_bias/f16/strategy_2x3.cpp
index a084ba45fdef579885c8f0ae19ec5e56ac64ec53..8ec316295b6778e2f2c2f47cfa48637f7fb48378 100644
--- a/dnn/src/arm_common/conv_bias/f16/strategy_2x3.cpp
+++ b/dnn/src/arm_common/conv_bias/f16/strategy_2x3.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/strategy_2x3.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/strategy_2x3_8x8.cpp b/dnn/src/arm_common/conv_bias/f16/strategy_2x3_8x8.cpp
index 23adba8673e16f44419b9a19f02c814739b0c5ce..a4855b42d712d8748e8c88ca02040b089a2dddb9 100644
--- a/dnn/src/arm_common/conv_bias/f16/strategy_2x3_8x8.cpp
+++ b/dnn/src/arm_common/conv_bias/f16/strategy_2x3_8x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/strategy_2x3_8x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/strategy_4x5.cpp b/dnn/src/arm_common/conv_bias/f16/strategy_4x5.cpp
index d36d2184d265f126c7f9610860b14ecdae0efe57..01cecbdd577dd2503098551a6a1389a023c65dce 100644
--- a/dnn/src/arm_common/conv_bias/f16/strategy_4x5.cpp
+++ b/dnn/src/arm_common/conv_bias/f16/strategy_4x5.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/strategy_4x5.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/f16/strategy_6x3.cpp b/dnn/src/arm_common/conv_bias/f16/strategy_6x3.cpp
index adbb9b7e081ad3987fdaad9616317a2887eeed2d..68362eeaf3e902dd9820940eb9b5ad5a67db882c 100644
--- a/dnn/src/arm_common/conv_bias/f16/strategy_6x3.cpp
+++ b/dnn/src/arm_common/conv_bias/f16/strategy_6x3.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/f16/strategy_6x3.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/algos.cpp b/dnn/src/arm_common/conv_bias/fp32/algos.cpp
index bdca47811bb358eefd772aa4b30c9a0c8cdec1c7..5edcb53fa2557e73734f22da4475f4f95d9f60a1 100644
--- a/dnn/src/arm_common/conv_bias/fp32/algos.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/algos.h b/dnn/src/arm_common/conv_bias/fp32/algos.h
index 15fad6ed0ded5f08852a58b7c2dd8854a680137e..e5998f89c93b28ad5a3ff04144d0a0313ee3b585 100644
--- a/dnn/src/arm_common/conv_bias/fp32/algos.h
+++ b/dnn/src/arm_common/conv_bias/fp32/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_algo.cpp
index 5e0784cc77f7fda807ff0d163a9779d8217f3c97..1323546149559a0789358b1e099d254663e9429c 100644
--- a/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.cpp b/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.cpp
index 2fda4694da23d9518bf8de35e0e93d79b72a29c1..6e53ac1ca62e8a89b0d586f37fb01747cffffe5e 100644
--- a/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.h b/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.h
index 13f06f317a54285bf4b195cc6d87bd13a873162f..01a581a8ab1b226337a144ec07b66a4a1923979c 100644
--- a/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.h
+++ b/dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/channel_wise_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct.cpp b/dnn/src/arm_common/conv_bias/fp32/direct.cpp
index b55d21f8e21e7709490a684c09c59ee17c0579c0..374c31f92612e1e4909cce3b85668703ced56f16 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/direct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct.h b/dnn/src/arm_common/conv_bias/fp32/direct.h
index 861cd0fe65f57d460e2b3ad301c90375b325fe52..fe95b647c81da5803c2b2a170a740c67d537b51a 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct.h
+++ b/dnn/src/arm_common/conv_bias/fp32/direct.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/direct.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern.cpp
index fcf8801e38beb9eaf98575c3bc2f990caf4970c7..08f5e4bd1abace7af95d5fa9d9f11ac4d92c6736 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s1.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s1.cpp
index dba54fd556a040fcc698488e60e3746984167a75..30874d338ceabd141064f0a65eb27ecbf19b8e7c 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s2.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s2.cpp
index 584305398abcf83419351088174da2e585579137..355c9ed6f7fcdc1b9a4989c67e8d57e9305c3591 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_2x2s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s1.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s1.cpp
index f3d4fdfed591699904f585f312338e070627835f..6d99b01bc87a0866aa369cfe280f09e10c9ca110 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s2.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s2.cpp
index 76d3bae82e44d024b98a90f1c833d366443ec76f..6075a8cadac000d4c11ef95ea461993deacb64e7 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_3x3s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s1.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s1.cpp
index 3f7039678a0d6f29a465b410aed581c1ae8d3072..689df883508973cdb008c17a83c7fc914834834f 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s2.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s2.cpp
index bfe92661dcf71794eb45950c9f48feb94867c65e..be37fc1c8ae75f87a4ad9a70099a1ccc9f3fc163 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_5x5s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s1.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s1.cpp
index f77cdeab1754c0064e3cf25c024b56d7736ba96d..db2be26834d545593a006728925e6876a90ac1c6 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s2.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s2.cpp
index 975e43890155291166d4d5ef43137a524aaea22e..a7571939bf7770a290f2b22e96baed98ae2d715f 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_7x7s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s1.h b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s1.h
index 3bba16377470b63a724fdc5d2bc914ce6d028ad4..0ddce83a20f9c718fc007e9105cd8172a7498dd2 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s1.h
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s1.h
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s2.h b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s2.h
index f7057e3bb5a4c055035eb378d8d04df11f2396dc..fd7b47adc993a5e034d5f97526172641a066ede8 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s2.h
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s2.h
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw44_kern_common_s2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s1.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s1.cpp
index 0e4b75ddb19aa4d3426797af0d40b8d76c35e607..291741b90282a8aff77e518040f025e336b29457 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s2.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s2.cpp
index 231fb564d81d7efd7023ec71ec0a316ab6825e3b..d3f360c547ac0f42e114811f2bc8a1ab00d34db8 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_2x2s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s1.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s1.cpp
index 7d9a6291fd02a19c963696b47986f76bbe58fe89..432708e7f551e1044a9b1f21f0031605545f4550 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s2.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s2.cpp
index e7d2e84154beff02160063377dadd408344d2e30..38ffe8efea6cf3f4b2d3dfbb20225f9cb814a92f 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_3x3s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s1.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s1.cpp
index 21e5a14c2af2c04e293801dac4e34c6b14fcf22c..2bd616d632d6f674979e9b24513a491a0459b7bf 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s2.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s2.cpp
index 82a45e18b31cde7bb134e40e10c25fd36eee2554..8433d0ded4f708d7cec673fc1cd4261d1ba52d7a 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_5x5s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s1.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s1.cpp
index 09e1bc48fb04b959aebb9cd4db2b9d468db7db3c..deb839a8656f7a35999b9c20677fbca32579cd40 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s2.cpp b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s2.cpp
index ad8205f6736a94ce1a7a143c0854e3916e9196f8..c0a1816718fcc8da0b44bd385f79c98174570ad5 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_7x7s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_common.h b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_common.h
index 321fe2a5ec00c1f4642b523b1144e087947f2ca1..9f0c1c66a1f5dd15d804ee3db09a72d629b61a6b 100644
--- a/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_common.h
+++ b/dnn/src/arm_common/conv_bias/fp32/direct_kernels/f32_direct_nchw_nchw44_kern_common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.cpp b/dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.cpp
index 68b698c42ce814cdf2fac135c532882b2859469f..57347971359917d2f9d949361ff0500c61160b12 100644
--- a/dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.h b/dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.h
index f79903995686f5c7bc12148c10015092271ba1df..66de74fa0376ff5668604f3a7507a1a1eab53445 100644
--- a/dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.h
+++ b/dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/do_conv_stride1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.cpp b/dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.cpp
index e6c9265326c8a9c5de910204ff2e7e976b7e4a35..5682a65808edd5894c31d83d83d21a45acf38bb2 100644
--- a/dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.h b/dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.h
index e676c6520749322544acefc21bfb551e82508198..acd53821b9888ade53b9817b2671169cb52055c2 100644
--- a/dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.h
+++ b/dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/do_conv_stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_algo.cpp
index 8ace555fd7904c97a252595f11f7410f46405f1e..3dc2884441bd1c4439c9da01a8af7ed81e5e63f0 100644
--- a/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_kern.h b/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_kern.h
index 2d5c7d9ed9183641b382950e2eac4ac3ce4a7577..50e77262e477c69a37e2c07bc67925a410dc09e4 100644
--- a/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_kern.h
+++ b/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw44_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/f32_direct_stride1_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_algo.cpp
index b505aedfdd35085f516525a87fa9be72026f10cf..53eba711489c25ac0a315fb94ffd5963f30244f5 100644
--- a/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_algo.cpp
@@ -3,7 +3,7 @@
  dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_kern.h b/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_kern.h
index 1617eeddbadedfdbd67ee537639f2857a884647c..1c69bbadc9631d3afa91038cd1418b2bccf12be8 100644
--- a/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_kern.h
+++ b/dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/f32_direct_nchw_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/filter_transform.h b/dnn/src/arm_common/conv_bias/fp32/filter_transform.h
index 9ca264cabdd02fb632416c554d830df07f68f203..cce7a55e61f30064521de2621a5d1e90f0bbae47 100644
--- a/dnn/src/arm_common/conv_bias/fp32/filter_transform.h
+++ b/dnn/src/arm_common/conv_bias/fp32/filter_transform.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/filter_transform.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/helper.h b/dnn/src/arm_common/conv_bias/fp32/helper.h
index 40df3c4a0f237101eb630c512c1378da5449603e..6d13a44c0849c0f38bd3c4443ec7b1ecab412972 100644
--- a/dnn/src/arm_common/conv_bias/fp32/helper.h
+++ b/dnn/src/arm_common/conv_bias/fp32/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy.h b/dnn/src/arm_common/conv_bias/fp32/strategy.h
index 4b7fc9c5919f9224e588dd4aafe1ddddb211fd62..5a92f2dee95e3bfe1e2800470d6259f47b5b18e7 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy.h
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy_2x3_4x4.cpp b/dnn/src/arm_common/conv_bias/fp32/strategy_2x3_4x4.cpp
index 5d55628e7428da918405767c9ab0b1077c49c622..3e0fb6f1ca88c81d9b7f02f224323b0436e5176a 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy_2x3_4x4.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy_2x3_4x4.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_2x3_4x4.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy_4x5.cpp b/dnn/src/arm_common/conv_bias/fp32/strategy_4x5.cpp
index bf634c3cde6fd02eb8af427984dc03e9eedaf2d1..8c977c36758e5abed809c31f1b89c97873a84d60 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy_4x5.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy_4x5.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_4x5.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy_5x4.cpp b/dnn/src/arm_common/conv_bias/fp32/strategy_5x4.cpp
index 54d357710b99bbea858a1c03dfcee119afb89b4f..b502602ecf5f4f3aaefc1ba9e4ceca6e6c2dead1 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy_5x4.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy_5x4.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_5x4.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy_6x3.cpp b/dnn/src/arm_common/conv_bias/fp32/strategy_6x3.cpp
index 7cde4a7c9a9ad1525cacbbb30923fab382f51ae7..15489b35d689e901d66266faaf39874d15c4cd47 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy_6x3.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy_6x3.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_6x3.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy_6x3_4x4.cpp b/dnn/src/arm_common/conv_bias/fp32/strategy_6x3_4x4.cpp
index ca42913e4e76f055a273e69afda8df0cb434c183..6d1011c6e2692b7af6b8754ed0958bb05d8e338b 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy_6x3_4x4.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy_6x3_4x4.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_6x3_4x4.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy_f23_mk4_nchw44.cpp b/dnn/src/arm_common/conv_bias/fp32/strategy_f23_mk4_nchw44.cpp
index 89350047b77d6209f6d156e756a3e1876cb6e902..2e8deab83cd0f179e92b4a99d53429b59f2f433b 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy_f23_mk4_nchw44.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy_f23_mk4_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_f23_mk4_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy_f63_mk4_nchw44.cpp b/dnn/src/arm_common/conv_bias/fp32/strategy_f63_mk4_nchw44.cpp
index a435d727842badb4c1826df8316efff627035d4d..444cbc9dc3e6c53d4322ebc74900be0ce93695c9 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy_f63_mk4_nchw44.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy_f63_mk4_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_f63_mk4_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/fp32/strategy_f73_mk4_nchw44.cpp b/dnn/src/arm_common/conv_bias/fp32/strategy_f73_mk4_nchw44.cpp
index a988a3be96888e5d98aeb9cd05483153575977b6..b106a810badededa4b5c0d2a860479614735b190 100644
--- a/dnn/src/arm_common/conv_bias/fp32/strategy_f73_mk4_nchw44.cpp
+++ b/dnn/src/arm_common/conv_bias/fp32/strategy_f73_mk4_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_f73_mk4_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/img2col_helper.h b/dnn/src/arm_common/conv_bias/img2col_helper.h
index 84850fd24c295dd11f27feb4a3dd4c6f5ac093a8..2af4ac7ca4ca5ba7660fbcba597b40f329791d12 100644
--- a/dnn/src/arm_common/conv_bias/img2col_helper.h
+++ b/dnn/src/arm_common/conv_bias/img2col_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/img2col_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/algos.cpp b/dnn/src/arm_common/conv_bias/int8/algos.cpp
index e8654f529b9f2dd625c8b836de081d6e9eb73861..fe1116cdbce2e5114e7cb9c37873ff604ce394a6 100644
--- a/dnn/src/arm_common/conv_bias/int8/algos.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/algos.h b/dnn/src/arm_common/conv_bias/int8/algos.h
index e509e43dc1e5df0a5b7638192bb1cf034f35a57a..9b42190eb460c54a67bd0af32d1fa5e877f58a7b 100644
--- a/dnn/src/arm_common/conv_bias/int8/algos.h
+++ b/dnn/src/arm_common/conv_bias/int8/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.cpp b/dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.cpp
index 3a8a671b410f51fc59df6d2f533b8bfe6bcc3f3c..fb533e630f16cd30581fad8bd40557b4f249e02e 100644
--- a/dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.h b/dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.h
index d47024cfc98959cfb57e77124b1d8d43092a5fe2..9c91e82eb458c88464a0fe7dda750e4e1346e11c 100644
--- a/dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.h
+++ b/dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/channel_wise_kernel.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.cpp b/dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.cpp
index c0790f1089d38bcad6104040d4f7637ff20e8c30..a3720fc7baf2b9d1f58460d815bcf899d1aaf8f0 100644
--- a/dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.h b/dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.h
index d869a6d12181be18fc262b2157f2d49821ce4d08..a3610dc3acb1fb082c69dfd98911cb52dce8ce7f 100644
--- a/dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.h
+++ b/dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/channel_wise_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct.cpp b/dnn/src/arm_common/conv_bias/int8/direct.cpp
index debb4ab4e71820d1621cd1407733da0af2953ef9..cee5429b9b27f4eb4379673e487706a67ab295e4 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct.h b/dnn/src/arm_common/conv_bias/int8/direct.h
index 1a58ab66eccf82af4f74692fb80c874bf0fa2c0b..1795b1d8f74a5100a11887ed85b08232404c601a 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct.h
+++ b/dnn/src/arm_common/conv_bias/int8/direct.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_dotprod.cpp b/dnn/src/arm_common/conv_bias/int8/direct_dotprod.cpp
index 49106c53f49f9cad5a5be0c1eb267f03398ac8a1..3ecb74fdb1460e7700133fe1d5dfa465243ca9bb 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_dotprod.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_dotprod.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_dotprod.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_dotprod.h b/dnn/src/arm_common/conv_bias/int8/direct_dotprod.h
index f575280902a0a685267b1096d0e9a2dc7592df79..60d47b147aab8f2fddfb257fa45fb264ea60aad2 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_dotprod.h
+++ b/dnn/src/arm_common/conv_bias/int8/direct_dotprod.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_dotprod.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.cpp b/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.cpp
index fbe0e6c65a608dc76d0ef881c098007337f40deb..54ffff5861e2a0e8361ffc467deb8eccc41d6c8c 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.h b/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.h
index f5ffac311183f55613b0804183bbe571c58c76df..e5ebb84999b4d0454d9c4cce887a1aeb8e18b1f9 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.h
+++ b/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44_algo.cpp
index e18ca781a941fea7e9721a9a2be2d29a3b390936..609177e76d74ebc6485f4172d47907ef06a6ea16 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_dotprod_nchw44_algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_dotpord_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_common.h b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_common.h
index 6e4e1029527a58f206712fe36946d3800ba79651..9c6babbe30b6e8838ba866f9035fcd4f807095eb 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_common.h
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_common.h
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s1.cpp b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s1.cpp
index 737ef33b56f3b3edaa8662b4ebaddba33c4fe421..20e67dcc8706fd75eaf5c9a7dc3533e5e582715c 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s1.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s2.cpp b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s2.cpp
index 4f5b8ebf76b9a72123e1afd870261fef37fef08f..a7683fe913a7ccc7116df55ed2c6fe9ce736b571 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s2.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw44_s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s1.cpp b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s1.cpp
index 81f53770c88eea5aa929b4f984899ada63e17b6f..57377ae913592ca3d4cbc92137976e963917cdee 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s1.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s2.cpp b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s2.cpp
index 2ea726a13c658600767f0b2e8d1f6790bbebc6e1..069f3c4385be9bf6d0c66ea6ea19b1c022aca15a 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s2.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/dot_direct_nchw_nchw44_s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s1.cpp b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s1.cpp
index 8b82b93264a2abccb398fdbf74d8b6cf6d23b061..c1b112cf9fd78afdefd96031039eef188c47e49c 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s1.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s2.cpp b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s2.cpp
index b6959dc0123909ff0aa9782c1775a1528d18aafa..2b4ab1ecc5e3cacdc5018ae112b274d4fef71a31 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s2.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw44_s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_common.h b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_common.h
index 5e81bd7e18d91c8dfd25a95e16e72c1d46b977b6..2eaf00ef3c8c17a2f6fb623dc1cef0540e429431 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_common.h
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_common.h
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s1.cpp b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s1.cpp
index 0dacdf83fdeb7535196f41043d3d020f6ab79c73..96ca7e4325a3b3afa1d5b64bd2f5bf132f954602 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s1.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s2.cpp b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s2.cpp
index c008aa2956daffb75e07cfa3e983ed71f4536415..ea1273722d753b0ae7d9ff7f7b59868dfb348400 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s2.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/direct_kernels/int8_direct_nchw_nchw44_s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/int8/direct_nchw44_algo.cpp
index 2477d20e424511062a0b9190ad1dd34c8eff08d9..dcef72d4b4e7773fa4c8273899e79912b16e91f4 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_nchw44_algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_nchw44_kern.h b/dnn/src/arm_common/conv_bias/int8/direct_nchw44_kern.h
index 9bf1f50dcee926065728ec52cfea9da8443a91b8..71bd9c0ac595872368ef9ac2697975d3dcb76531 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_nchw44_kern.h
+++ b/dnn/src/arm_common/conv_bias/int8/direct_nchw44_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_algo.cpp
index 399edba7138ca3fb002f0d7424405925f16620ae..a0f44b56cd2c0ba784b648041e0363d5950cc37d 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_kern.h b/dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_kern.h
index 901266388ba4c9d56a2677f551a4c2f81f2b1367..3e46b807abc2c11cfdc82ebcb7a397819ee0e2b1 100644
--- a/dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_kern.h
+++ b/dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/direct_nchw_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_algo.cpp
index b159f484c6e712cc05a168d33c7f4e1ad543c9b7..2c8480ae527b376d0de106267767e331c35652fa 100644
--- a/dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_algo.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_kern.h b/dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_kern.h
index 3529d90798bc921e8d14705bfbc604b052bb4da8..6aba98d9e34253e1c68d5edbba20fd0f2c0fc8f3 100644
--- a/dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_kern.h
+++ b/dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_kern.h
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8/dot_direct_nchw_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/helper.h b/dnn/src/arm_common/conv_bias/int8/helper.h
index 965b36d16661a035c1bec9cbc0179c3ce5b7c02e..749fd6aae329bc82f55476c1b4328c7f6d9154fe 100644
--- a/dnn/src/arm_common/conv_bias/int8/helper.h
+++ b/dnn/src/arm_common/conv_bias/int8/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/strategy.h b/dnn/src/arm_common/conv_bias/int8/strategy.h
index f4bc4a334dac79606f2658b41f40b21cf0a25d97..dbab2f4bb69a9005975a45e4b554488dcda6f9c0 100644
--- a/dnn/src/arm_common/conv_bias/int8/strategy.h
+++ b/dnn/src/arm_common/conv_bias/int8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/strategy_2x3_8x8.cpp b/dnn/src/arm_common/conv_bias/int8/strategy_2x3_8x8.cpp
index d8efdc03a9706df8eae5fc64b1e72ed63839aeb3..e92aab40a383b371a7a2e9d4c31ca5a7bb9beedd 100644
--- a/dnn/src/arm_common/conv_bias/int8/strategy_2x3_8x8.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/strategy_2x3_8x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/strategy_2x3_8x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_4x4.cpp b/dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_4x4.cpp
index 7f080f3956c375c460f2dce05b224c14d2b668ee..a9d3c0f65e261b370c54c4d0a4aca1cf8844719f 100644
--- a/dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_4x4.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_4x4.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/fp32/strategy_nchw44_2x3_4x4.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_8x8.cpp b/dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_8x8.cpp
index 7ca25e1d04d476f54bfb0dc5e259f3d9bd2a5965..ab8310d28926ea3e23c02ecbf15ad3506abb9dbc 100644
--- a/dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_8x8.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_8x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/strategy_nchw44_2x3_8x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/stride1.cpp b/dnn/src/arm_common/conv_bias/int8/stride1.cpp
index a8a0c6f91071124480da0a579f1aafaa2b350acf..ed87400503f47f6150058d344cb249b72cd806d7 100644
--- a/dnn/src/arm_common/conv_bias/int8/stride1.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/stride1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/stride1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/stride1.h b/dnn/src/arm_common/conv_bias/int8/stride1.h
index b78157bb12d6ce6f597549562ed5f96efeb2bcb6..7a02f20a34e8384ade5436593134262d2ca73376 100644
--- a/dnn/src/arm_common/conv_bias/int8/stride1.h
+++ b/dnn/src/arm_common/conv_bias/int8/stride1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/stride1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/stride1_dotprod.cpp b/dnn/src/arm_common/conv_bias/int8/stride1_dotprod.cpp
index 603fedbbbba3979895ae111a956b2431058ddc2c..e34e2b09c269f150f7b53420c60485be8be43151 100644
--- a/dnn/src/arm_common/conv_bias/int8/stride1_dotprod.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/stride1_dotprod.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/stride1_dotprod.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/stride1_dotprod.h b/dnn/src/arm_common/conv_bias/int8/stride1_dotprod.h
index cf436726dd0e87df657b769a134c7e175b11b02c..5ae1be5ce90e290815c3dd5fc05880b4361078b1 100644
--- a/dnn/src/arm_common/conv_bias/int8/stride1_dotprod.h
+++ b/dnn/src/arm_common/conv_bias/int8/stride1_dotprod.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/stride1_dotprod.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/stride2.cpp b/dnn/src/arm_common/conv_bias/int8/stride2.cpp
index 1b6bd6add64b3568da2c24123da07af2fe5e8e68..66e2c3027427b1b476c4c4e61a0817c5d835847a 100644
--- a/dnn/src/arm_common/conv_bias/int8/stride2.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/stride2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/stride2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/stride2.h b/dnn/src/arm_common/conv_bias/int8/stride2.h
index 4112c7d46d089f6c62649433e9d644ff9293d61e..cf566e47ad833d5b695adfdc78b3056765006184 100644
--- a/dnn/src/arm_common/conv_bias/int8/stride2.h
+++ b/dnn/src/arm_common/conv_bias/int8/stride2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/stride2_dotprod.cpp b/dnn/src/arm_common/conv_bias/int8/stride2_dotprod.cpp
index 459afc7cd3b62af63a4eaee43cc066645ef21703..0ca1dad2cf06e7642e04b7ccf1fa90a08024bd3b 100644
--- a/dnn/src/arm_common/conv_bias/int8/stride2_dotprod.cpp
+++ b/dnn/src/arm_common/conv_bias/int8/stride2_dotprod.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/stride2_dotprod.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8/stride2_dotprod.h b/dnn/src/arm_common/conv_bias/int8/stride2_dotprod.h
index d36e08439c4f8e38f89ab78aec4f3a0af43dbf09..c23cc62b70690a226fcfecadff2233c01c553a7f 100644
--- a/dnn/src/arm_common/conv_bias/int8/stride2_dotprod.h
+++ b/dnn/src/arm_common/conv_bias/int8/stride2_dotprod.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8/stride2_dotprod.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/algos.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/algos.cpp
index ff5d16b9dca4ded31694165729ed98f8bda08486..39978f84726b8d1e99997ca619bd05908d7d3563 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/algos.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/algos.h b/dnn/src/arm_common/conv_bias/int8x8x16/algos.h
index 9b83ac02f19d017d31b21ddeedc0961ea1c1eef1..2977610b9d1a2537f994670b26666f4c3d973cb9 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/algos.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel.h b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel.h
index ddf1c2e3efac371b057a00beda004842ce5cd1b7..09c299cd4ee891fbb93f9fd2131305aedfb9757a 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel_int8x8x16_nchw44.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel_int8x8x16_nchw44.cpp
index 5cd5103dcac93f68f395a5d25526fbe83949244f..6eeb7580cd9e1cbc0a5fb9d9bb86d411b3a83734 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel_int8x8x16_nchw44.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel_int8x8x16_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_kernel_int8x8x16_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44.h b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44.h
index 6e214b823e559f739a100f166c02ad6a46d1486d..599b564206327062f5fea5cf891c405e1a0bfd5e 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44_8x8x16.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44_8x8x16.cpp
index e57d26f20864bc24a875bad1ef8d574e327b9b77..b56f033c6aab3db4db200f7ae7d8fe4d3423311a 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44_8x8x16.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44_8x8x16.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44_8x8x16.h b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44_8x8x16.h
index b7b3dc4c6984fd4a26969a96896e290a9cffb4ab..6a2668ff5799d574687d864b167dfce2ce7b9f70 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44_8x8x16.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44_8x8x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/channel_wise_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.cpp
index 415997d464f2b4664127bb685173cd01699b8682..c5b85bede97eb77bd3e701cf6c757e6669f8e468 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.h b/dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.h
index 8a07b25b8df108a5c5399ef236f7cf593355640f..e319ed62984d083a9bb5e34330d668bb0774b610 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/conv_direct.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.cpp
index b3acfccff052d4a25d93202dbb2b8a26bbfc804a..7bca7c57b899234792196e6e6cab3e4546644e2b 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.h b/dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.h
index 7ec4af902530205796da3002212d404f7dc78aa9..19aa599e2c36c98f915a0cc76ac102390060adc7 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/conv_stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/direct_8x8x16_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/direct_8x8x16_nchw44_algo.cpp
index 302aebe1f8bc6e6db19d377303ae3726e772b091..e09d61d969eb3a2278884589c2003ad6714bdafc 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/direct_8x8x16_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/direct_8x8x16_nchw44_algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/conv_direct_int8x8x16_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/direct_8x8x16_nchw44_kern.h b/dnn/src/arm_common/conv_bias/int8x8x16/direct_8x8x16_nchw44_kern.h
index 34272f84a535c2867c8d8c5ff049aa5651a984ae..e307b8d9055e5b85cbaf898babddee846c9ca001 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/direct_8x8x16_nchw44_kern.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/direct_8x8x16_nchw44_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s1_aarch64.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s1_aarch64.cpp
index 6ac346294e9d59cfd1695b20bf24f1c95cd5784a..f6e15969f0a32c8c57e6c59c5d4c17b15f487d58 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s1_aarch64.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s1_aarch64.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8_direct_nchw44_s1_aarch64.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s1_armv7.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s1_armv7.cpp
index 9d034208f04c791ee2b0e5bdb35135537e426cb5..2a4aec8a04eb77f5a52fb0a30446c5b0bde3f241 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s1_armv7.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s1_armv7.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8_direct_nchw44_s1_armv7.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s2.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s2.cpp
index d3e7686f941083e02570920afa8e3319fa0c09e4..d32eb0be0a5b590c87ca25fc36f9f16b18510c79 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s2.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8x8x16/direct_kernels/int8x8x16_direct_nchw44_s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_algo.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_algo.cpp
index b7f34be6dbcd60579ebf4361f4a992f1c9c816fe..86ac80a5bc2e1a2f7635b3c9aac6cb16905d649f 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_algo.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_algo.cpp
@@ -3,7 +3,7 @@
  dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_kern.h b/dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_kern.h
index 9eb0fd56f1969987bcd62fd8ff8930eb78ce5a2e..2d518a31b2e9ad02a2dd1d81291e6bc6c3588c0b 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_kern.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_kern.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/int8x8x16/direct_nchw_nchw44_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl.h b/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl.h
index 1f33ed79a0bf0c835d821529540e16b0290ce3c5..38bc59eb6803f96b5e588f8f0d160ac84624597d 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl.h
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl.h
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s1.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s1.cpp
index adc7486c5918bfe01fad5cafc9a0e9a0a867aa24..8b959f548035988ee403a58b0a1dd45330253929 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s1.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s1.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s2.cpp b/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s2.cpp
index 6733876925d5d4b41c60dfea0f1d27a011dcec06..050a7df8cdf780bb94a81c4bc65a663607a2ec91 100644
--- a/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s2.cpp
+++ b/dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s2.cpp
@@ -3,7 +3,7 @@
  * dnn/src/arm_common/conv_bias/int8x8x16/kernel/direct_nchw_nchw44_kern_impl_s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/intrinsic_helper.h b/dnn/src/arm_common/conv_bias/intrinsic_helper.h
index a13388cb9f7d16d0d7d4ff43237b5e30e7ef1b81..2ee70d2006519b37c54ada018b99a761261a4548 100644
--- a/dnn/src/arm_common/conv_bias/intrinsic_helper.h
+++ b/dnn/src/arm_common/conv_bias/intrinsic_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/intrinsic_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/matmul_postprocess.h b/dnn/src/arm_common/conv_bias/matmul_postprocess.h
index d15c03b969a8be6ad0298ab8af895bd5d52b474e..456970e6367430aba3bd648fae470b4011002273 100644
--- a/dnn/src/arm_common/conv_bias/matmul_postprocess.h
+++ b/dnn/src/arm_common/conv_bias/matmul_postprocess.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/matmul_postprocess.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/opr_impl.cpp b/dnn/src/arm_common/conv_bias/opr_impl.cpp
index 4da12b88d5b07a2d3bb2be74479ae46e4970982b..0d2f0a550da828ade9b12d303392c24bb3294109 100644
--- a/dnn/src/arm_common/conv_bias/opr_impl.cpp
+++ b/dnn/src/arm_common/conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/opr_impl.h b/dnn/src/arm_common/conv_bias/opr_impl.h
index 6e9d94d5c1ed60eeb6d57250d2cdefda61b719e8..28fb3d767fe1c44908df69d08eda76b98c4c9d24 100644
--- a/dnn/src/arm_common/conv_bias/opr_impl.h
+++ b/dnn/src/arm_common/conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/postprocess_helper.h b/dnn/src/arm_common/conv_bias/postprocess_helper.h
index 539a105f0dd053197809ba2041b56114afdda84a..df19774229553fc43697261839f0b7ec46a2e939 100644
--- a/dnn/src/arm_common/conv_bias/postprocess_helper.h
+++ b/dnn/src/arm_common/conv_bias/postprocess_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/postprocess_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/algos.cpp b/dnn/src/arm_common/conv_bias/quint8/algos.cpp
index 2bd38104b83151391a1b3cc43d10e8ee8b95d0b5..e1c395933835aaa2a63cde5f616665271b979c6b 100644
--- a/dnn/src/arm_common/conv_bias/quint8/algos.cpp
+++ b/dnn/src/arm_common/conv_bias/quint8/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/algos.h b/dnn/src/arm_common/conv_bias/quint8/algos.h
index df67c166a27dcdcdf3b4db821a1727e3cd85cefe..4614352906edf9ed290e7f134cd87f28ce6dec74 100644
--- a/dnn/src/arm_common/conv_bias/quint8/algos.h
+++ b/dnn/src/arm_common/conv_bias/quint8/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/direct.cpp b/dnn/src/arm_common/conv_bias/quint8/direct.cpp
index a374817c06e131718e3f1482d550ef2be15ca43e..59490afa30dec1f3ba544fbf7ee39f14949529cd 100644
--- a/dnn/src/arm_common/conv_bias/quint8/direct.cpp
+++ b/dnn/src/arm_common/conv_bias/quint8/direct.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/direct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/direct.h b/dnn/src/arm_common/conv_bias/quint8/direct.h
index 9475bb2b1b676bb578e41fd6b914b94965be34bf..74cf58fc7ac28878e0dc70bfd7465b3bbbf0943e 100644
--- a/dnn/src/arm_common/conv_bias/quint8/direct.h
+++ b/dnn/src/arm_common/conv_bias/quint8/direct.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/direct.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/direct_dotprod.cpp b/dnn/src/arm_common/conv_bias/quint8/direct_dotprod.cpp
index 8005bbd490de506f97fb205d06fe0f8c1cba6279..20d3bbf29dca56749df8d3475af849b8acf0ae54 100644
--- a/dnn/src/arm_common/conv_bias/quint8/direct_dotprod.cpp
+++ b/dnn/src/arm_common/conv_bias/quint8/direct_dotprod.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/direct_dotprod.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/direct_dotprod.h b/dnn/src/arm_common/conv_bias/quint8/direct_dotprod.h
index 4ba49edb104f22a5daabace328447119b4812a18..caadc5e621075cdce04eb4ca171e2c3bbcc76e57 100644
--- a/dnn/src/arm_common/conv_bias/quint8/direct_dotprod.h
+++ b/dnn/src/arm_common/conv_bias/quint8/direct_dotprod.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/direct_dotprod.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/stride1.cpp b/dnn/src/arm_common/conv_bias/quint8/stride1.cpp
index d07748e78782b430977e90bfccff63bc24860400..b0350d644990c31f9e5a8086cd10ab7cbbee002b 100644
--- a/dnn/src/arm_common/conv_bias/quint8/stride1.cpp
+++ b/dnn/src/arm_common/conv_bias/quint8/stride1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/stride1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/stride1.h b/dnn/src/arm_common/conv_bias/quint8/stride1.h
index a6553716f9bb209764231f524d41b51beb9fe590..5f0f06062f7623bbd309cea8473a0e5ecc84d520 100644
--- a/dnn/src/arm_common/conv_bias/quint8/stride1.h
+++ b/dnn/src/arm_common/conv_bias/quint8/stride1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/stride1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.cpp b/dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.cpp
index ae5e2357bcf8f86c771b173d87ac75673617640c..5a005a4c11796987b524bc223f998f7066a3f490 100644
--- a/dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.cpp
+++ b/dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.h b/dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.h
index 3e5efe8e52424f836769a091630aae9222456644..dc702f3a5ab546c00007abcbc17d6ff2126ac2b6 100644
--- a/dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.h
+++ b/dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/stride1_dotprod.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/stride2.cpp b/dnn/src/arm_common/conv_bias/quint8/stride2.cpp
index 5527ea6f9e4380c58a1a1e29cdca0b6ce9be7af4..718db8559fb7bbe4b9a47055674d1df851370db2 100644
--- a/dnn/src/arm_common/conv_bias/quint8/stride2.cpp
+++ b/dnn/src/arm_common/conv_bias/quint8/stride2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/stride2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/stride2.h b/dnn/src/arm_common/conv_bias/quint8/stride2.h
index c70679e761b565257dc87adb9705077a29e09275..eca45c36e9c2dc9216f87e4d2c4c3e858d210e52 100644
--- a/dnn/src/arm_common/conv_bias/quint8/stride2.h
+++ b/dnn/src/arm_common/conv_bias/quint8/stride2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.cpp b/dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.cpp
index 6aae1f3fd1aa310f3c980a7fd55b4b70d49ba6f0..b06ba166207d4ec5e1b4b01bcca61fa700b7cafe 100644
--- a/dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.cpp
+++ b/dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.h b/dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.h
index bd8e9465ff89a4ff5bb0f6d15f4ade7f196780de..5191cf9aba8fd1fb5cbab32cf228a8c8d9efa755 100644
--- a/dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.h
+++ b/dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/quint8/stride2_dotprod.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/conv_bias/winograd_common/winograd_common.h b/dnn/src/arm_common/conv_bias/winograd_common/winograd_common.h
index 345935a2d4712355108d72015f912e1d1d0601dc..e5f63a282f5a2ceba1a566bba580b6f610e7658d 100644
--- a/dnn/src/arm_common/conv_bias/winograd_common/winograd_common.h
+++ b/dnn/src/arm_common/conv_bias/winograd_common/winograd_common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/conv_bias/winograd_common/winograd_common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/img2col_helper.h b/dnn/src/arm_common/convolution/img2col_helper.h
index f6e8e441d7e64713dc1a43ae34e1baec417f23ad..b830eee271bb4e76f672d2b1ed97fe5e0c5aea99 100644
--- a/dnn/src/arm_common/convolution/img2col_helper.h
+++ b/dnn/src/arm_common/convolution/img2col_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/img2col_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/int8x8x32/algos.cpp b/dnn/src/arm_common/convolution/int8x8x32/algos.cpp
index 68eeef837f40be2f5e1ef660bafccbaeb44449c0..12cb2979b2c34c01a2e48f8e404c1827756a9d19 100644
--- a/dnn/src/arm_common/convolution/int8x8x32/algos.cpp
+++ b/dnn/src/arm_common/convolution/int8x8x32/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/int8x8x32/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/int8x8x32/algos.h b/dnn/src/arm_common/convolution/int8x8x32/algos.h
index 44fc6e84440745d3ed09dcaa148ab374fb7d1493..7181255e4ff2b0ec7b46c06fb0f8fb8fe585bfc7 100644
--- a/dnn/src/arm_common/convolution/int8x8x32/algos.h
+++ b/dnn/src/arm_common/convolution/int8x8x32/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/int8x8x32/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.cpp b/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.cpp
index 6e45a10eafad3fb09a14862427939e7343123dec..ccb0ae202871169cbaa32d63444fce2e5799a528 100644
--- a/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.cpp
+++ b/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.h b/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.h
index eae4b531bda7fca1ccdc89735bbacb7652473769..4b97420ea00aa5b18ccce53d8a2839e2fab238fd 100644
--- a/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.h
+++ b/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.cpp b/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.cpp
index 8b17812d9ad2156fdf9b371618c4bb6d80afd2de..e98b7f4442d18a6c71ba8c181298ea9039b2950a 100644
--- a/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.cpp
+++ b/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.h b/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.h
index d6c1b6de55c3c8d16e1fb596fc08164141ba4ade..24d91411b820411c47410ae38f189123125359e5 100644
--- a/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.h
+++ b/dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/int8x8x32/conv_backdata_stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/opr_impl.cpp b/dnn/src/arm_common/convolution/opr_impl.cpp
index 822ad29b3c25cde8f3925a7fc7155327b38468c4..9c5a9f951c4ac7339e68ee079e0f4388ad26ec62 100644
--- a/dnn/src/arm_common/convolution/opr_impl.cpp
+++ b/dnn/src/arm_common/convolution/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/opr_impl.h b/dnn/src/arm_common/convolution/opr_impl.h
index cc87b69873620dc4fda18b66520cfd0b8f7df65d..9d088fdae4e1135c5dba691ac9f2cac5d4b954dd 100644
--- a/dnn/src/arm_common/convolution/opr_impl.h
+++ b/dnn/src/arm_common/convolution/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/quint8/algos.cpp b/dnn/src/arm_common/convolution/quint8/algos.cpp
index bc531610fec0f94d95bf9174119301639fadd212..c6ececa2384e35a46d81edacf75f3dc195899bb7 100644
--- a/dnn/src/arm_common/convolution/quint8/algos.cpp
+++ b/dnn/src/arm_common/convolution/quint8/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/quint8/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/quint8/algos.h b/dnn/src/arm_common/convolution/quint8/algos.h
index 74a1234066ea32b6ea642d088be01f0f711fdd0d..6f5d738fa70346fe604bf9383eed2741729e0a4b 100644
--- a/dnn/src/arm_common/convolution/quint8/algos.h
+++ b/dnn/src/arm_common/convolution/quint8/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/quint8/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.cpp b/dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.cpp
index 8b0d1f6c28d82ee9fc05067b4f1dc156c64a7c93..ab5ccbb7a969f530646d38766a1e30a3fb7e095a 100644
--- a/dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.cpp
+++ b/dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.h b/dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.h
index 588205fd0cf1ab3227238889850dc396a5750084..6e7c9ab70ae6f89d1b3bad58037fa278c2c5c629 100644
--- a/dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.h
+++ b/dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/quint8/conv_backdata_stride1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.cpp b/dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.cpp
index e07c9ff551cea6b2ace146703c4e7f7cc0a651af..d0f032ad5a4901efc6d45fa3ecbe107aa68f4ef5 100644
--- a/dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.cpp
+++ b/dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.h b/dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.h
index 837320386c5fd275e3bc4c129d7934d23781eefa..12068b1ebb43e44962b699213d922da01ae9003f 100644
--- a/dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.h
+++ b/dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/convolution/quint8/conv_backdata_stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/cvt_color/opr_impl.cpp b/dnn/src/arm_common/cvt_color/opr_impl.cpp
index fee255a1da2da4a1f3cd9d7679e7b9c2eca2446c..d4238394c271c87c5e03600706f66bca78ba2fe3 100644
--- a/dnn/src/arm_common/cvt_color/opr_impl.cpp
+++ b/dnn/src/arm_common/cvt_color/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/cvt_color/opr_impl.h b/dnn/src/arm_common/cvt_color/opr_impl.h
index c093845209dd7aacf290df436946ac766a28cc16..ef9b7d505d8ee3dc166c5e4f700e623ed3fab7b8 100644
--- a/dnn/src/arm_common/cvt_color/opr_impl.h
+++ b/dnn/src/arm_common/cvt_color/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/cvt_color/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/binary/algo.cpp b/dnn/src/arm_common/elemwise/binary/algo.cpp
index c3c0ddbb9c9fd675249d08efceba4ca6199306aa..e804a3044dac4a5974d32d9457b86b0a1a6a4a78 100644
--- a/dnn/src/arm_common/elemwise/binary/algo.cpp
+++ b/dnn/src/arm_common/elemwise/binary/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/binary/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/binary/algo.h b/dnn/src/arm_common/elemwise/binary/algo.h
index 20fb8f8dd25b883142917c55e9a93c209aecc304..65f13e3dac474f164fd802160e3d784be7a52935 100644
--- a/dnn/src/arm_common/elemwise/binary/algo.h
+++ b/dnn/src/arm_common/elemwise/binary/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/binary/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/neon_mathfun.cpp b/dnn/src/arm_common/elemwise/neon_mathfun.cpp
index 99c9fbb47e90906dc1c18ad9639fd993ce468914..d7439cead8b8f3e552130d56eb433a3a9a57f45d 100644
--- a/dnn/src/arm_common/elemwise/neon_mathfun.cpp
+++ b/dnn/src/arm_common/elemwise/neon_mathfun.cpp
@@ -3,7 +3,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/neon_mathfun.h b/dnn/src/arm_common/elemwise/neon_mathfun.h
index 131fab930088f3fa776ee8c84050096bc6ee17e3..11937ecc58d9471195811a7cb81c746ac5c9b363 100644
--- a/dnn/src/arm_common/elemwise/neon_mathfun.h
+++ b/dnn/src/arm_common/elemwise/neon_mathfun.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/neon_mathfun.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/neon_util_impl_helper.h b/dnn/src/arm_common/elemwise/neon_util_impl_helper.h
index 40072066e5c5cc606bba12c79f6fa6d854d701df..8c6429682aa723bb97eea528d42218e53cd97a49 100644
--- a/dnn/src/arm_common/elemwise/neon_util_impl_helper.h
+++ b/dnn/src/arm_common/elemwise/neon_util_impl_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/neon_util_impl_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/opr_impl.cpp b/dnn/src/arm_common/elemwise/opr_impl.cpp
index c049cf5b562153f8204241155461e099d97ff415..a55778351f5eac4aaaa33cccc9860d6669e06030 100644
--- a/dnn/src/arm_common/elemwise/opr_impl.cpp
+++ b/dnn/src/arm_common/elemwise/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/opr_impl.h b/dnn/src/arm_common/elemwise/opr_impl.h
index 8a2d6abb44fadb09c2432189383a1111eece6518..43ab56a36ed0eda04b2af6777aa8a75d5e08a60e 100644
--- a/dnn/src/arm_common/elemwise/opr_impl.h
+++ b/dnn/src/arm_common/elemwise/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/ternary/algo.cpp b/dnn/src/arm_common/elemwise/ternary/algo.cpp
index ffae49706261aac8380b6cc68ac2715175427a1a..8df76d1ae2b70737732c0e863b3259f2d515d2d2 100644
--- a/dnn/src/arm_common/elemwise/ternary/algo.cpp
+++ b/dnn/src/arm_common/elemwise/ternary/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/ternary/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/ternary/algo.h b/dnn/src/arm_common/elemwise/ternary/algo.h
index 62a02d7ec9750537c0c99e75f2cf334f42277ecc..0b9ce6683644f4088b6e9650c941ae5554ea0532 100644
--- a/dnn/src/arm_common/elemwise/ternary/algo.h
+++ b/dnn/src/arm_common/elemwise/ternary/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/ternary/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/unary/algo.cpp b/dnn/src/arm_common/elemwise/unary/algo.cpp
index e8faaabec90813a3c2fb23c7f228ac3688a9951a..4b59b7e65239b5125bcb7ac6696fbeb4b2fdfb53 100644
--- a/dnn/src/arm_common/elemwise/unary/algo.cpp
+++ b/dnn/src/arm_common/elemwise/unary/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/unary/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise/unary/algo.h b/dnn/src/arm_common/elemwise/unary/algo.h
index 881162f6528833cdb52a8ddfc803cc1bbfef0055..d85b65e2b927df45468c125132b6f994ce8281fa 100644
--- a/dnn/src/arm_common/elemwise/unary/algo.h
+++ b/dnn/src/arm_common/elemwise/unary/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise/unary/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/abs.h b/dnn/src/arm_common/elemwise_helper/kimpl/abs.h
index 14e5671447133384f856026d3a5473fe6b5c5ada..97b4f5ecdbe610731db83af675331ad14bb397fa 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/abs.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/abs.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/abs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/add.h b/dnn/src/arm_common/elemwise_helper/kimpl/add.h
index a6462100de0002d42e99b3d83a927f6156863517..2083264b15adc3b8b31df233f8b8814f9d726995 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/add.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/add.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/add.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/exp.h b/dnn/src/arm_common/elemwise_helper/kimpl/exp.h
index 6dfea96637e64013fb7da0d05de96b4fdf055041..bd3af8b1b0055fc360184296ea193734f5864f89 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/exp.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/exp.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/exp.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/fast_tanh.h b/dnn/src/arm_common/elemwise_helper/kimpl/fast_tanh.h
index fcd5ebbf0aaf86d5029b561c4070cc6de42f7f45..29a4e4fa2ca2122edba76ef7f226588703085e9f 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/fast_tanh.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/fast_tanh.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/fast_tanh.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_h_swish.h b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_h_swish.h
index a1f606a1f50cf836d4ac9bdb9af938251aaff73d..2e777c2f12f9792892c137378cff8a625366b790 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_h_swish.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_h_swish.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_h_swish.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_relu.h b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_relu.h
index b5325ffe49d0d8afb805cbfaf10c28cc8a3da842..7fe16b304c84bb4b631bc7ff30583df2b0c660f6 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_relu.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_relu.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_relu.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_sigmoid.h b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_sigmoid.h
index 50a94e4dce2a2b2f2cbc82a6ec17616f3cfa9008..b3b33c0ec759001a39373d2530cfb3f2c275bebe 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_sigmoid.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_sigmoid.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_sigmoid.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_tanh.h b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_tanh.h
index c18d8b47cd602a3dcd6f9c2762fe530fefa51e42..3716c49b8dfe9da7cba627eda7d05213ef8a2237 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_tanh.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_tanh.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/fuse_add_tanh.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_mul_add3.h b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_mul_add3.h
index 871ca5f4ebeecf5420d1b8886bfcc1decfb7e26d..cb30c3b3c7e825114992dc8749ba5fbd705bf874 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/fuse_mul_add3.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/fuse_mul_add3.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/fuse_mul_add3.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/hswish.h b/dnn/src/arm_common/elemwise_helper/kimpl/hswish.h
index d1774ada22a99cc50f909648eef12bdbf07f0318..22f5daaeffea2fcecc1808750d093f4b849dc583 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/hswish.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/hswish.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/hswish.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_epilogue.h b/dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_epilogue.h
index 61f3472eeb59e1e037582d4ac1c1ff05766579f5..6a273813c19e74e7a9fa6e52aa33d8c0b5e5c6d3 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_epilogue.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_prologue.h b/dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_prologue.h
index edbf2253b9392d0241bd86c8f47d01d3f1749676..52843c955f15d7eab7bd758b2b5cdec735bb119b 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_prologue.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_prologue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/kern_macro_prologue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/max.h b/dnn/src/arm_common/elemwise_helper/kimpl/max.h
index 17e4bb631146c60f007b8248cfc6e586b0bc233b..1dce3896782848921ee273583c4b5bef8e537eb2 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/max.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/max.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/max.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/min.h b/dnn/src/arm_common/elemwise_helper/kimpl/min.h
index 59f623be309bde393bceffd6933bf6b30f73ea2a..9abb4ef3c151e1b4ce33a3ff032575fded2d4f64 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/min.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/min.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/min.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/mul.h b/dnn/src/arm_common/elemwise_helper/kimpl/mul.h
index e20c082d2a0a4be2d527d164728658055d205aaf..ac57f94e220e8e06017894f9de8bf81df16e4e79 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/mul.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/mul.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/mul.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/none.h b/dnn/src/arm_common/elemwise_helper/kimpl/none.h
index 6c3aa479e1f03cc09a2279ce0ed68b5a30fd96ff..06ee476504c379ae23d78b5c04322d56f672e089 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/none.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/none.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/none.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/op_base.h b/dnn/src/arm_common/elemwise_helper/kimpl/op_base.h
index e1cdbbd9e6f36b678be0c15cb41805cb3c4798ba..7345208e250dd007236464e831afba65d96feda0 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/op_base.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/op_base.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/op_base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/pow.h b/dnn/src/arm_common/elemwise_helper/kimpl/pow.h
index d8b9b98203bc61423015d6fb9d1966e605a76984..7250ac84da66403893688e89f82362c2dc4516a0 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/pow.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/pow.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/pow.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/relu.h b/dnn/src/arm_common/elemwise_helper/kimpl/relu.h
index cd52b5ba77e65cd9c70532e8ddd8b84f0b52d9e8..9a11e5117c19d04dfd1e6b21fd4b5e0abc83d8f5 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/relu.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/relu.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/relu.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/rmulh.h b/dnn/src/arm_common/elemwise_helper/kimpl/rmulh.h
index 89e387f3e52a19b642b1be6100f9d93b1ed97c1d..476f296983063de82baf872163ff13f190ad6cc1 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/rmulh.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/rmulh.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/rmulh.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/sigmoid.h b/dnn/src/arm_common/elemwise_helper/kimpl/sigmoid.h
index c792837334fbabbb671bcfa4a7faed69c2cd2983..f8dc2badf31a52a18b16ec925cec201540618320 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/sigmoid.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/sigmoid.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/sigmoid.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/sub.h b/dnn/src/arm_common/elemwise_helper/kimpl/sub.h
index 73a13227f9095619d3977d96af8f4930cae97cd4..34da13ecda39a71dc43e779a79654c4a8a270600 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/sub.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/sub.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/sub.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/tanh.h b/dnn/src/arm_common/elemwise_helper/kimpl/tanh.h
index dc8b73c2e62fea39d58d498d582738348626afdc..ecfdcc5c348d6ed806a55bfd17fcd765f30816b4 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/tanh.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/tanh.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/tanh.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/true_div.h b/dnn/src/arm_common/elemwise_helper/kimpl/true_div.h
index d93414822868a14628c6f8055ef7222b98893f0f..cd1bd6284f274ce2e6ebe97b2301f913a131f896 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/true_div.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/true_div.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/true_div.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/kimpl/typecvt.h b/dnn/src/arm_common/elemwise_helper/kimpl/typecvt.h
index 15c5e106dcc43915f15215d6ee8ef532f6b7d993..1cdfba02d98324db1718236d0a5fae6be62a3cd3 100644
--- a/dnn/src/arm_common/elemwise_helper/kimpl/typecvt.h
+++ b/dnn/src/arm_common/elemwise_helper/kimpl/typecvt.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/kimpl/typecvt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/op_binary.h b/dnn/src/arm_common/elemwise_helper/op_binary.h
index 2d1ada029e332874457270555c31726f733d06fc..5b263681e9cf7dce2947f1ab51c3715b7e0d5678 100644
--- a/dnn/src/arm_common/elemwise_helper/op_binary.h
+++ b/dnn/src/arm_common/elemwise_helper/op_binary.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/op_binary.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/op_ternary.h b/dnn/src/arm_common/elemwise_helper/op_ternary.h
index 26ea4fcc62fe28b38c0a723e15b5736a8f58cd69..8b9be8b7f739487a4ffd673ab2afe04154f10933 100644
--- a/dnn/src/arm_common/elemwise_helper/op_ternary.h
+++ b/dnn/src/arm_common/elemwise_helper/op_ternary.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/op_ternary.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_helper/op_unary.h b/dnn/src/arm_common/elemwise_helper/op_unary.h
index ce90122443dd4988602930e00ce1a57f5a32e0cb..80cde07a6d1cb7b46bc25fa6013d405fcad322ac 100644
--- a/dnn/src/arm_common/elemwise_helper/op_unary.h
+++ b/dnn/src/arm_common/elemwise_helper/op_unary.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_helper/op_unary.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_multi_type/opr_impl.cpp b/dnn/src/arm_common/elemwise_multi_type/opr_impl.cpp
index 855984a14bb1e1337201d8a77db0d93789d58989..c975996c2fc15ce604088a552d00960760f07cc0 100644
--- a/dnn/src/arm_common/elemwise_multi_type/opr_impl.cpp
+++ b/dnn/src/arm_common/elemwise_multi_type/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_multi_type/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_multi_type/opr_impl.h b/dnn/src/arm_common/elemwise_multi_type/opr_impl.h
index 5cfdd25d5965d5d03610682382d69a1318fb1a2b..ed57b76c6fc4d12b98a8aa1941c0543f2764a3fa 100644
--- a/dnn/src/arm_common/elemwise_multi_type/opr_impl.h
+++ b/dnn/src/arm_common/elemwise_multi_type/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_multi_type/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/elemwise_op.h b/dnn/src/arm_common/elemwise_op.h
index 54795ebcbd65c500f8bb749bd1084ac71aca6903..5f10fbb81298a7bbd6c5f81c15e9f740b985322a 100644
--- a/dnn/src/arm_common/elemwise_op.h
+++ b/dnn/src/arm_common/elemwise_op.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/elemwise_op.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/handle.cpp b/dnn/src/arm_common/handle.cpp
index 8fca423f39f977b895339df0802ba47511338cb9..5283a3067b262125dedec6b0c69f852258e4dac6 100644
--- a/dnn/src/arm_common/handle.cpp
+++ b/dnn/src/arm_common/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/handle.h b/dnn/src/arm_common/handle.h
index eaa46f8d405ccebf2e78808ed39b15d9f93e122d..038886582ad8f777e51d28a4f625a0328d294e30 100644
--- a/dnn/src/arm_common/handle.h
+++ b/dnn/src/arm_common/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/intrinsic_helper.h b/dnn/src/arm_common/intrinsic_helper.h
index 65ed5aebb358d890fb71438f270a2bf90ad0c69b..6db691e63cb536508e37699221bf05a193ec1bd9 100644
--- a/dnn/src/arm_common/intrinsic_helper.h
+++ b/dnn/src/arm_common/intrinsic_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/intrinsic_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/local/opr_impl.cpp b/dnn/src/arm_common/local/opr_impl.cpp
index 578e4da13cabaada72cf0f22ba37bfda026a56de..a871aa30eead832fd47ee37c9bc89a773223e646 100644
--- a/dnn/src/arm_common/local/opr_impl.cpp
+++ b/dnn/src/arm_common/local/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/local/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/local/opr_impl.h b/dnn/src/arm_common/local/opr_impl.h
index f19d06c2a7d437ef2e3e3adf088643091fbe67ce..8e74efcbcf6c091d5b527da1a4ecfb0174cefc2a 100644
--- a/dnn/src/arm_common/local/opr_impl.h
+++ b/dnn/src/arm_common/local/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/local/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/algos.cpp b/dnn/src/arm_common/matrix_mul/algos.cpp
index b4aff5ba44ca2848480591ebb698f082eaf90138..ef2e66ae808770728384c6e9e8934adf3c5c9414 100644
--- a/dnn/src/arm_common/matrix_mul/algos.cpp
+++ b/dnn/src/arm_common/matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/algos.h b/dnn/src/arm_common/matrix_mul/algos.h
index 0cbb728908b0c3d727b8ce031375e68dddc2b1ff..eb91e273ec04ce9731df26abcc4c15b0ddf564c4 100644
--- a/dnn/src/arm_common/matrix_mul/algos.h
+++ b/dnn/src/arm_common/matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.cpp b/dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.cpp
index bf5a77d2c972005d6d13baf651ebfb2126111d89..569665123636113619efe931fcb451dd99d393b5 100644
--- a/dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.cpp
+++ b/dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.h b/dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.h
index 50fb818620caa9e2cfbe1e6949bed2969b724819..50a5726920ed39c5e78e1953303b4821f7edeaa9 100644
--- a/dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.h
+++ b/dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/exec_gemm_int8_int8_int16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/fp16/hgemv.cpp b/dnn/src/arm_common/matrix_mul/fp16/hgemv.cpp
index 0a9e5db246db61d1b273ea813da633987f53ca20..56531c464b2144c2d62e196795ec8adc2546d323 100644
--- a/dnn/src/arm_common/matrix_mul/fp16/hgemv.cpp
+++ b/dnn/src/arm_common/matrix_mul/fp16/hgemv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/fp16/hgemv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/fp16/hgemv.h b/dnn/src/arm_common/matrix_mul/fp16/hgemv.h
index 68a186b75202dd2873c6a1151de63922e8ecce31..88d52f44ddd59eb8f6a181a97afd11baac886e50 100644
--- a/dnn/src/arm_common/matrix_mul/fp16/hgemv.h
+++ b/dnn/src/arm_common/matrix_mul/fp16/hgemv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/fp16/hgemv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.cpp b/dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.cpp
index daba2abc5a615f4d1d9aa5061ccc96df6d774299..72aafce3b2b91d47e9002e131883623594d90711 100644
--- a/dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.cpp
+++ b/dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.h b/dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.h
index b1cb14910e8abf5c44a184578d3a9851e2137baf..fc5a6c828fafa64359606362000714e586e66c2f 100644
--- a/dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.h
+++ b/dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/fp32/exec_sgemv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/int8/gemv.cpp b/dnn/src/arm_common/matrix_mul/int8/gemv.cpp
index 4fa50802770496c996ca4edd491f5fb67467759a..361f2ba220222949b16f2d5b626bf91b2facbac1 100644
--- a/dnn/src/arm_common/matrix_mul/int8/gemv.cpp
+++ b/dnn/src/arm_common/matrix_mul/int8/gemv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/int8/gemv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/int8/gemv.h b/dnn/src/arm_common/matrix_mul/int8/gemv.h
index 9c8d6c690e61d00c1b28e3078da70100dd9ce441..54c63d0f6f7fd411b90a78778bf81ad913d4c6bd 100644
--- a/dnn/src/arm_common/matrix_mul/int8/gemv.h
+++ b/dnn/src/arm_common/matrix_mul/int8/gemv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/int8/gemv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/opr_impl.cpp b/dnn/src/arm_common/matrix_mul/opr_impl.cpp
index a2dcd28c7c37271c2a10fa36ce421f9bbc82cf08..771a11c09460c13729b71bf630dc4bc7b9cc40e0 100644
--- a/dnn/src/arm_common/matrix_mul/opr_impl.cpp
+++ b/dnn/src/arm_common/matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/matrix_mul/opr_impl.h b/dnn/src/arm_common/matrix_mul/opr_impl.h
index 2ea5e7d615b14b6b1b256ae5c164489c57530349..00deb601cb80d40a58c4467e0a68c6a8193bfe02 100644
--- a/dnn/src/arm_common/matrix_mul/opr_impl.h
+++ b/dnn/src/arm_common/matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/neon_struct.h b/dnn/src/arm_common/neon_struct.h
index 7edc81347ea11d31b731059baeb1a9156439e82d..a70f4542b31e3cf71c58d6f5a64ce3e742cfab58 100644
--- a/dnn/src/arm_common/neon_struct.h
+++ b/dnn/src/arm_common/neon_struct.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/neon_struct.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/algo.cpp b/dnn/src/arm_common/pooling/algo.cpp
index 62419758a6b78fbfd8ace6269c809b8542c5f8a9..286c32f5eb9dabe2be4140609b2c7116811715fb 100644
--- a/dnn/src/arm_common/pooling/algo.cpp
+++ b/dnn/src/arm_common/pooling/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/algo.h b/dnn/src/arm_common/pooling/algo.h
index aea62d625ac56acbb751c96998af894013175f0f..15929411f1a533b9c202db0782c686c12387778d 100644
--- a/dnn/src/arm_common/pooling/algo.h
+++ b/dnn/src/arm_common/pooling/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/algo_fp32_pooling_nchw44.cpp b/dnn/src/arm_common/pooling/algo_fp32_pooling_nchw44.cpp
index 8f9b2231e4cc4ba40ed490c424b9e9e84523a526..c8d6a9c816eb745e7b7b42dd17736bb5602209bc 100644
--- a/dnn/src/arm_common/pooling/algo_fp32_pooling_nchw44.cpp
+++ b/dnn/src/arm_common/pooling/algo_fp32_pooling_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/algo_fp32_pooling_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.cpp b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.cpp
index 53d6ad37b6091b7645d50d8629416c44ea2213fd..8f587c723dcb0d72d91dc8739d54f30011ece280 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.cpp
+++ b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.h b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.h
index b009613c613b465331455b749a04d8877f7cc159..e5c877f6bfaefdb8233c53df24619c197133ca56 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.h
+++ b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.cpp b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.cpp
index f422f8c2a67e3fe70eda4c4525a8a96432c24b5f..c0489df88f487d2fd2353b6d1b52eb7c426b83f0 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.cpp
+++ b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.h b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.h
index a87e5773b12560181815473fe5b5b6c10dad3e16..92eacbc4cb3f51bc665427dc56686e009e0dda8d 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.h
+++ b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_float16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.cpp b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.cpp
index 5d93d43eccb2b1890dc7b0c7b08cc1ac3156f437..7f1b7145b5024aa369cdcd76a7d1716d5049ec2c 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.cpp
+++ b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.h b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.h
index 68c884f0dc4a58ddaad1bd6afc8a7e1074a94c9f..ca834b8099fef77abd730e20ae68c34d9ad0efaa 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.h
+++ b/dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_3x3_s2x2_int8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.cpp b/dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.cpp
index 6005bac5405f5b74643d68fe1fe4c423be418992..83f61a165d85432f153d39475493b71ce079b560 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.cpp
+++ b/dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.h b/dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.h
index df730504157f41c9f2a7a7e85b2da3b4a9d243f0..cc7d81970c5609c11a49aeb550848a5e2ec6532c 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.h
+++ b/dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_w2x2_s2x2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.cpp b/dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.cpp
index f5cb8093c95578172e626002f879784d40093c71..e74dfd8b1a36f7c7e9caf4c6636dd0f914cd5009 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.cpp
+++ b/dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.h b/dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.h
index cf7839b37c7d50fc9bcb504cd856f6251be1fd59..2a80c52bd2629fff6f8d2d6b4bc03a874cdb2fde 100644
--- a/dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.h
+++ b/dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_w4x4_s2x2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.cpp b/dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.cpp
index 6d38c0d121a57bf4a3153595c6462d5b6077cdac..a4f0cf69d6c6094847bcd961943829328f9a9e8c 100644
--- a/dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.cpp
+++ b/dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.h b/dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.h
index a23e1019bb6db91d75afa3814e6b2ae513724e7c..ae2474a92af706b7879edd6bb999687ae1650c61 100644
--- a/dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.h
+++ b/dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_pooling_2x2_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.cpp b/dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.cpp
index be009280209fa1cd4ea01c1cedb76bfce082f621..e8975e4a01c66e12e93aac8066a5afea774b392f 100644
--- a/dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.cpp
+++ b/dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.h b/dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.h
index 00cc4803cd7fe97ffb7716b36b9143300fd8886b..200d67b87d6408b15f0f55496b3443fc2bfb19ab 100644
--- a/dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.h
+++ b/dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_pooling_3x3_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.cpp b/dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.cpp
index cf4a514c0cdf4ce665dd2e8bac772ebc903378c1..f2facbf948eb4651a58aba00c8da1a9632ef958a 100644
--- a/dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.cpp
+++ b/dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_max_pooling_4x4_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.h b/dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.h
index 0e9741e9c1116904627f6b49d3f399cbeff6fa31..9fc7025dfb366f8d8c28be4071a6c0f52297836b 100644
--- a/dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.h
+++ b/dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_pooling_4x4_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.cpp b/dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.cpp
index a7e5c0f9873f6d98e3c18bcd6374e21ff59e76bc..511f1a11b9eba20f3631ea9549c6e524c8d33adc 100644
--- a/dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.cpp
+++ b/dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.h b/dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.h
index 11062e32bd1b84ac80c01bfbd51987e00a7343b2..d840590454bfd5a2cd6c651da455a5bc4c2e694c 100644
--- a/dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.h
+++ b/dnn/src/arm_common/pooling/do_pooling_5x5_nchw44.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/do__pooling_5x5_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/kern_fp32_pooling_nchw44.h b/dnn/src/arm_common/pooling/kern_fp32_pooling_nchw44.h
index 72d97d87d874398388498df25f21daa0db90468f..a4050c39ae486e4d37d575b18ad7f0652ec7c1a4 100644
--- a/dnn/src/arm_common/pooling/kern_fp32_pooling_nchw44.h
+++ b/dnn/src/arm_common/pooling/kern_fp32_pooling_nchw44.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/kern_fp32_pooling_nchw44.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/opr_impl.cpp b/dnn/src/arm_common/pooling/opr_impl.cpp
index ef7c7a6bde76319de6c008e6c2c6b737c640517d..4acf320bcb2bf91ec3f9cf5b350da19429912146 100644
--- a/dnn/src/arm_common/pooling/opr_impl.cpp
+++ b/dnn/src/arm_common/pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/opr_impl.h b/dnn/src/arm_common/pooling/opr_impl.h
index b198f68fee7706be0c32d591e07d2a683eb9bbb3..fca7d282af3d16cabe3acb259b35ae558ce16eea 100644
--- a/dnn/src/arm_common/pooling/opr_impl.h
+++ b/dnn/src/arm_common/pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/pooling/pooling_helper.h b/dnn/src/arm_common/pooling/pooling_helper.h
index e14128a33003d90aee558e46ab899bc14e229fbf..32c8a5f53df95d4e40e2661c1935661c9ca63a70 100644
--- a/dnn/src/arm_common/pooling/pooling_helper.h
+++ b/dnn/src/arm_common/pooling/pooling_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/pooling/pooling_hleper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/quantized_converter.h b/dnn/src/arm_common/quantized_converter.h
index 1586bca2ca9e7eb9a85dcf7bdaf3585115271915..6959a3b3e4ad76d87bb5b7b6f3c7b5a2adc8c125 100644
--- a/dnn/src/arm_common/quantized_converter.h
+++ b/dnn/src/arm_common/quantized_converter.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/quantized_converter.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/reduce/opr_impl.cpp b/dnn/src/arm_common/reduce/opr_impl.cpp
index 70457f4229e3a370b5a1e1fc14e8ec8526111565..5f128bab1af40f37fe6abcfc78d1e346c8a87a5e 100644
--- a/dnn/src/arm_common/reduce/opr_impl.cpp
+++ b/dnn/src/arm_common/reduce/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/reduce/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/reduce/opr_impl.h b/dnn/src/arm_common/reduce/opr_impl.h
index 2374ea9e6f23745c0147be77c969e1276e40e257..5179872ff8a9c8cec8717d28b6d83502e9f92523 100644
--- a/dnn/src/arm_common/reduce/opr_impl.h
+++ b/dnn/src/arm_common/reduce/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/reduce/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/resize/opr_impl.cpp b/dnn/src/arm_common/resize/opr_impl.cpp
index 8c46f5f62ae181c9d1c7f19cf749215e81743261..3f448ae7c4e1c1f4a9dd908486c208cc5838442b 100644
--- a/dnn/src/arm_common/resize/opr_impl.cpp
+++ b/dnn/src/arm_common/resize/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/resize/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/resize/opr_impl.h b/dnn/src/arm_common/resize/opr_impl.h
index 5e4b6f3161b161c8f0acdfd7b46d7896497963a4..59ac687bc5d222efc7643fef08cc1f47c884c42b 100644
--- a/dnn/src/arm_common/resize/opr_impl.h
+++ b/dnn/src/arm_common/resize/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/resize/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/resize/resize_cv.cpp b/dnn/src/arm_common/resize/resize_cv.cpp
index ab85695d0779de36b48788bea54e6fb20c4df009..1c8314af56ca22732eb9d063d5908380f10e3dec 100644
--- a/dnn/src/arm_common/resize/resize_cv.cpp
+++ b/dnn/src/arm_common/resize/resize_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/resize/resize_cv.h b/dnn/src/arm_common/resize/resize_cv.h
index 7b2093b6f12236293261ab65150fde2062fd3ffd..491237f33bc694fc611f6551d9370f07ce2b19d7 100644
--- a/dnn/src/arm_common/resize/resize_cv.h
+++ b/dnn/src/arm_common/resize/resize_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/resize/resize_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/separable_conv/opr_impl.cpp b/dnn/src/arm_common/separable_conv/opr_impl.cpp
index f4ddb1fa7fe3cfcf4c549a20e742281f22723790..9f28185e7f02ddad27cbcb0bbad4932724359c60 100644
--- a/dnn/src/arm_common/separable_conv/opr_impl.cpp
+++ b/dnn/src/arm_common/separable_conv/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/separable_conv/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/separable_conv/opr_impl.h b/dnn/src/arm_common/separable_conv/opr_impl.h
index 352c8a7e8725c92e772ebad3486a0c5452b7ab73..509da5ff71a5c29a819c96cff4f20df6d360cd9f 100644
--- a/dnn/src/arm_common/separable_conv/opr_impl.h
+++ b/dnn/src/arm_common/separable_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/separable_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/separable_conv/sep_conv_common.h b/dnn/src/arm_common/separable_conv/sep_conv_common.h
index e8a9375976ad31874fd5f7389a7689a9c00fb6e4..2f226257601c518da65d4a16245c9b4fc3649b2d 100644
--- a/dnn/src/arm_common/separable_conv/sep_conv_common.h
+++ b/dnn/src/arm_common/separable_conv/sep_conv_common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/separable_conv/sep_conv_common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/separable_conv/sep_conv_filter.h b/dnn/src/arm_common/separable_conv/sep_conv_filter.h
index d25a44f6af0c0e7da46af308a153f39f1d7a0023..876f68dec2d4f13bfb028ca1d86623dbf199d8de 100644
--- a/dnn/src/arm_common/separable_conv/sep_conv_filter.h
+++ b/dnn/src/arm_common/separable_conv/sep_conv_filter.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/separable_conv/sep_conv_filter.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/separable_conv/sep_conv_filter_engine.cpp b/dnn/src/arm_common/separable_conv/sep_conv_filter_engine.cpp
index 67ffe737535efe57b5f604f204e8dd338b64eb76..009aabbf9fcb93b923a188467708239c19bd7d76 100644
--- a/dnn/src/arm_common/separable_conv/sep_conv_filter_engine.cpp
+++ b/dnn/src/arm_common/separable_conv/sep_conv_filter_engine.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/separable_conv/sep_conv_filter_engine.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/separable_filter/filter.h b/dnn/src/arm_common/separable_filter/filter.h
index b4386656a7235593b63fbf6eea2f590e8626f12d..a133b8bd7339bd0dbb9867521bc0cc984c703cac 100644
--- a/dnn/src/arm_common/separable_filter/filter.h
+++ b/dnn/src/arm_common/separable_filter/filter.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/separable_filter/opr_impl.cpp b/dnn/src/arm_common/separable_filter/opr_impl.cpp
index dbf1fc4905749b6462640b85e790e7189b37c187..e5bad9b052ae03c30b36b338231e7cb3c5c07997 100644
--- a/dnn/src/arm_common/separable_filter/opr_impl.cpp
+++ b/dnn/src/arm_common/separable_filter/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/separable_filter/opr_impl.h b/dnn/src/arm_common/separable_filter/opr_impl.h
index b7ef816b23b29c8dd18a03205b8cf43738a13f89..b3e4c3b0978728a14805081f60e38f2a39180b68 100644
--- a/dnn/src/arm_common/separable_filter/opr_impl.h
+++ b/dnn/src/arm_common/separable_filter/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/separable_filter/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/simd_macro/marm_neon.cpp b/dnn/src/arm_common/simd_macro/marm_neon.cpp
index 97218b0f03078f21b26ac96f00066d7fc3d4c624..694b2e2b58be41bad8b980347f1bb9848b9fa877 100644
--- a/dnn/src/arm_common/simd_macro/marm_neon.cpp
+++ b/dnn/src/arm_common/simd_macro/marm_neon.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/simd_macro/marm_neon.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/simd_macro/marm_neon.h b/dnn/src/arm_common/simd_macro/marm_neon.h
index b07d87c0a4b89245d4837f058da83e062ce357f8..8439c5fe74983d5293bffc50ee5b811612a01202 100644
--- a/dnn/src/arm_common/simd_macro/marm_neon.h
+++ b/dnn/src/arm_common/simd_macro/marm_neon.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/simd_macro/marm_neon.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/simd_macro/neon_helper.h b/dnn/src/arm_common/simd_macro/neon_helper.h
index b77105b2f43f8161099e046a15b9a7f9fad8e16d..19d1aeca5cab01fb60cdea8b0a266525e05930a4 100644
--- a/dnn/src/arm_common/simd_macro/neon_helper.h
+++ b/dnn/src/arm_common/simd_macro/neon_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/simd_macro/neon_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/simd_macro/neon_helper_epilogue.h b/dnn/src/arm_common/simd_macro/neon_helper_epilogue.h
index 7618ce0c8a41c27e2d58326944653d74045111c5..816a2a5497bfe2a5196adc0f870ded0d90edddab 100644
--- a/dnn/src/arm_common/simd_macro/neon_helper_epilogue.h
+++ b/dnn/src/arm_common/simd_macro/neon_helper_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/simd_macro/neon_helper_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/simd_macro/neon_helper_fp16.h b/dnn/src/arm_common/simd_macro/neon_helper_fp16.h
index e581b74b480da27cd47ac1d1751b30a4dbf7b9e5..abaf81e4a50b46a66d8a2c74dcbdc2b1253f13e8 100644
--- a/dnn/src/arm_common/simd_macro/neon_helper_fp16.h
+++ b/dnn/src/arm_common/simd_macro/neon_helper_fp16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/simd_macro/neon_helper_fp16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/type_cvt/opr_impl.cpp b/dnn/src/arm_common/type_cvt/opr_impl.cpp
index 13545e3b620d690ff469cf32c133d8fe47a82996..84c0c7e1e9564fade563076713ff8b1ac7b540b0 100644
--- a/dnn/src/arm_common/type_cvt/opr_impl.cpp
+++ b/dnn/src/arm_common/type_cvt/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/type_cvt/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/type_cvt/opr_impl.h b/dnn/src/arm_common/type_cvt/opr_impl.h
index ab835b611d5d148eb87246f0c257fc3841d9bce9..eaa58da0b03b1299fdff9f575bbcc6c3e6eb57ec 100644
--- a/dnn/src/arm_common/type_cvt/opr_impl.h
+++ b/dnn/src/arm_common/type_cvt/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/type_cvt/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/utils.cpp b/dnn/src/arm_common/utils.cpp
index 48e3b3fdb101ecaba1d7d54d6de7ee023836daa8..18922e841177f4014088db37892dacf3cbf2e3d6 100644
--- a/dnn/src/arm_common/utils.cpp
+++ b/dnn/src/arm_common/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/utils.h b/dnn/src/arm_common/utils.h
index d5d368fccbbe42d89a7858b3f2d9af6612b323a1..577231a531b41a8802cfe2178e28c97d19e3eb92 100644
--- a/dnn/src/arm_common/utils.h
+++ b/dnn/src/arm_common/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/warp_affine/opr_impl.cpp b/dnn/src/arm_common/warp_affine/opr_impl.cpp
index 0ef5251169f3be09cde8d6d7b3a43b9c9a908a85..bafa6d4b038a2461b6e62a392600db3eae550728 100644
--- a/dnn/src/arm_common/warp_affine/opr_impl.cpp
+++ b/dnn/src/arm_common/warp_affine/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/warp_affine/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/warp_affine/opr_impl.h b/dnn/src/arm_common/warp_affine/opr_impl.h
index ad7cf3e207850b4c7e99baa0fcb5a6aa6bae2ba7..4018938f220f50baac84cc0dcaafc90d8cbe3e50 100644
--- a/dnn/src/arm_common/warp_affine/opr_impl.h
+++ b/dnn/src/arm_common/warp_affine/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/warp_affine/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/warp_affine/warp_affine_cv.cpp b/dnn/src/arm_common/warp_affine/warp_affine_cv.cpp
index 58da016265384f7323aa054577e294f379f84e58..b17116cb5b9b978ae158c8f497db8d23e1aaf4f4 100644
--- a/dnn/src/arm_common/warp_affine/warp_affine_cv.cpp
+++ b/dnn/src/arm_common/warp_affine/warp_affine_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/warp_affine/warp_affine_cv.h b/dnn/src/arm_common/warp_affine/warp_affine_cv.h
index 4005343bf7dbbc0896eb9e2bbc1e5f2be2c83026..0b2cf588745181d9f696c7b20f5bc0c745d71c2b 100644
--- a/dnn/src/arm_common/warp_affine/warp_affine_cv.h
+++ b/dnn/src/arm_common/warp_affine/warp_affine_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/warp_affine/warp_affine_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/warp_perspective/opr_impl.cpp b/dnn/src/arm_common/warp_perspective/opr_impl.cpp
index 36f01ed63a5e8f2c3b35749d77d70d35630e4006..2422731d8afbd70e485dcac9393a97203d13fcac 100644
--- a/dnn/src/arm_common/warp_perspective/opr_impl.cpp
+++ b/dnn/src/arm_common/warp_perspective/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/warp_perspective/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/warp_perspective/opr_impl.h b/dnn/src/arm_common/warp_perspective/opr_impl.h
index e533618ef91bed4760f884dff73b53d7e02e9032..affaf2467285e227c38b510fb0b4f5ecf2ce3cc6 100644
--- a/dnn/src/arm_common/warp_perspective/opr_impl.h
+++ b/dnn/src/arm_common/warp_perspective/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/warp_perspective/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/warp_perspective/warp_perspective_cv.cpp b/dnn/src/arm_common/warp_perspective/warp_perspective_cv.cpp
index caac428c5bc054b2e68d868b4951e4076d589642..11a069f05fc2ced1afe7ebabb8c0038d4e589e4b 100644
--- a/dnn/src/arm_common/warp_perspective/warp_perspective_cv.cpp
+++ b/dnn/src/arm_common/warp_perspective/warp_perspective_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/arm_common/warp_perspective/warp_perspective_cv.h b/dnn/src/arm_common/warp_perspective/warp_perspective_cv.h
index d64705fbcc3cf608134d09751458ee0d285fd736..4a4ff95cca33f5a263f85403298c35ae8ce5264c 100644
--- a/dnn/src/arm_common/warp_perspective/warp_perspective_cv.h
+++ b/dnn/src/arm_common/warp_perspective/warp_perspective_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/arm_common/warp_perspective/warp_perspective_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/int8/algos.cpp b/dnn/src/armv7/conv_bias/int8/algos.cpp
index e4e9450cfac3f83e26d77f95234f31954b3e603d..3fd1c0893551db25275b7a1fee032770fa17ec28 100644
--- a/dnn/src/armv7/conv_bias/int8/algos.cpp
+++ b/dnn/src/armv7/conv_bias/int8/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/int8/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/int8/algos.h b/dnn/src/armv7/conv_bias/int8/algos.h
index b0cb6f9308c6448b8d82b67ae3266fd8b669cc73..91127476018563456a8b1559d524b33639554c86 100644
--- a/dnn/src/armv7/conv_bias/int8/algos.h
+++ b/dnn/src/armv7/conv_bias/int8/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/int8/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/int8/strategy.cpp b/dnn/src/armv7/conv_bias/int8/strategy.cpp
index c92fae475da38f9d311ffb90079b1324f087d6cb..1a51a07ee6667355911fe9bbbf9b0a93d79e0014 100644
--- a/dnn/src/armv7/conv_bias/int8/strategy.cpp
+++ b/dnn/src/armv7/conv_bias/int8/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/int8/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/int8/strategy.h b/dnn/src/armv7/conv_bias/int8/strategy.h
index 5ba29af3373d61d22fa650ac0687393cdf2a461e..c722b0b8381109e060edc0683fe938875560a678 100644
--- a/dnn/src/armv7/conv_bias/int8/strategy.h
+++ b/dnn/src/armv7/conv_bias/int8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/int8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/opr_impl.cpp b/dnn/src/armv7/conv_bias/opr_impl.cpp
index 53421925e63c85a9cf8460b40f68d3a17fcdf020..d34cd2c1faa7e00f5ccc5d1f09c2e3085d0256b7 100644
--- a/dnn/src/armv7/conv_bias/opr_impl.cpp
+++ b/dnn/src/armv7/conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/opr_impl.h b/dnn/src/armv7/conv_bias/opr_impl.h
index 744dc37ec9a0869dc1f153cab76388d0e0b6816f..cfc6ee147538a49faa6fab601940e37c700f76a9 100644
--- a/dnn/src/armv7/conv_bias/opr_impl.h
+++ b/dnn/src/armv7/conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/quint8/algos.cpp b/dnn/src/armv7/conv_bias/quint8/algos.cpp
index 9ba1f560efcc55d90280d7d1cbcafe482121796f..e83996d21abc8a2f44d36ee03b0ee4321ba8507f 100644
--- a/dnn/src/armv7/conv_bias/quint8/algos.cpp
+++ b/dnn/src/armv7/conv_bias/quint8/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/quint8/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/quint8/algos.h b/dnn/src/armv7/conv_bias/quint8/algos.h
index 6dd0b8dc893aa51c94508b912d359c253c219334..de5e2f669123b4cb82d42bd206b3ecd00287ec1a 100644
--- a/dnn/src/armv7/conv_bias/quint8/algos.h
+++ b/dnn/src/armv7/conv_bias/quint8/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/quint8/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/quint8/strategy.cpp b/dnn/src/armv7/conv_bias/quint8/strategy.cpp
index d33850159a5a297c40b3a82588b9151c6ce272e1..f30aa761e40dadc6b5a19bac4cd9096808846409 100644
--- a/dnn/src/armv7/conv_bias/quint8/strategy.cpp
+++ b/dnn/src/armv7/conv_bias/quint8/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/quint8/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/conv_bias/quint8/strategy.h b/dnn/src/armv7/conv_bias/quint8/strategy.h
index c34d0776c56744fa0c8082c645e90beedbcdc0ef..3320086c3554e5800695f2716aedf7407014803c 100644
--- a/dnn/src/armv7/conv_bias/quint8/strategy.h
+++ b/dnn/src/armv7/conv_bias/quint8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/conv_bias/quint8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/handle.cpp b/dnn/src/armv7/handle.cpp
index 7a381a94f51bc913f3c2cfa7d773426912cd7052..62fea3a75fd19c1131d7812698bfa19acdd1dfe9 100644
--- a/dnn/src/armv7/handle.cpp
+++ b/dnn/src/armv7/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/handle.h b/dnn/src/armv7/handle.h
index 7c5b03d7d02c5f5d0d5904aae483d5f87974fe48..971424c31deb6919cd7153802e7d0d033a629fd9 100644
--- a/dnn/src/armv7/handle.h
+++ b/dnn/src/armv7/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/algos.cpp b/dnn/src/armv7/matrix_mul/algos.cpp
index 20bf00aeae764bf5ef7c11c41f20157804884e06..e88efa6edf6f28ba20828283009e6d4c0021389f 100644
--- a/dnn/src/armv7/matrix_mul/algos.cpp
+++ b/dnn/src/armv7/matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/algos.h b/dnn/src/armv7/matrix_mul/algos.h
index 2be450fa473ea6d88f4f76fc7b4602ce60b0d4e4..fc1ae72bb457e2a586c11f76f7441e2eb360a03c 100644
--- a/dnn/src/armv7/matrix_mul/algos.h
+++ b/dnn/src/armv7/matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/asm/common.h b/dnn/src/armv7/matrix_mul/asm/common.h
index 442dc67f57dab7c803d65bf7eadcb11400a3f5e7..2dd75734c785cf6591b8bd0dbcf2f16a87241f67 100644
--- a/dnn/src/armv7/matrix_mul/asm/common.h
+++ b/dnn/src/armv7/matrix_mul/asm/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/asm/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/fp16/strategy.cpp b/dnn/src/armv7/matrix_mul/fp16/strategy.cpp
index 214787ed41b1e381dbdd8a5a87bf7f974766544a..63875be5ca9ff10d72e4486a018abe6c54925780 100644
--- a/dnn/src/armv7/matrix_mul/fp16/strategy.cpp
+++ b/dnn/src/armv7/matrix_mul/fp16/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/fp16/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/fp16/strategy.h b/dnn/src/armv7/matrix_mul/fp16/strategy.h
index 4b10675d811c0f289de29ac5a2ae180be44ba796..f25eeb5d48297a22469a5ea40215db1b1f5687d8 100644
--- a/dnn/src/armv7/matrix_mul/fp16/strategy.h
+++ b/dnn/src/armv7/matrix_mul/fp16/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/fp16/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/fp16/strategy_mk8_4x8.cpp b/dnn/src/armv7/matrix_mul/fp16/strategy_mk8_4x8.cpp
index a8cb2b5620017ecaa14b70ef9bca452250f4008b..d4c951da405347ac5326ca7834210ae43c791b99 100644
--- a/dnn/src/armv7/matrix_mul/fp16/strategy_mk8_4x8.cpp
+++ b/dnn/src/armv7/matrix_mul/fp16/strategy_mk8_4x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/fp16/strategy_mk8_4x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/fp32/strategy.h b/dnn/src/armv7/matrix_mul/fp32/strategy.h
index ef50e8a8a6a5156ef9a5c1d7651634017fd81de8..7bba0a83d50fdb12242758de6d52c6abf594307c 100644
--- a/dnn/src/armv7/matrix_mul/fp32/strategy.h
+++ b/dnn/src/armv7/matrix_mul/fp32/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/fp32/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/fp32/strategy_4x12.cpp b/dnn/src/armv7/matrix_mul/fp32/strategy_4x12.cpp
index 1686be778b9e92bb2ba421ce96dbe25d960d07d7..502a78e6cf1632aca033e673fd5e372a19534ad4 100644
--- a/dnn/src/armv7/matrix_mul/fp32/strategy_4x12.cpp
+++ b/dnn/src/armv7/matrix_mul/fp32/strategy_4x12.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/fp32/strategy_4x12.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/fp32/strategy_mk4_4x8.cpp b/dnn/src/armv7/matrix_mul/fp32/strategy_mk4_4x8.cpp
index de897ae71135ff54c26462994b3364642d17610d..e7fcf67fce24a3ebaa7abea06d382ed85ffe3523 100644
--- a/dnn/src/armv7/matrix_mul/fp32/strategy_mk4_4x8.cpp
+++ b/dnn/src/armv7/matrix_mul/fp32/strategy_mk4_4x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/fp32/strategy_mk4_4x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/fp32/strategy_mk_4x12.cpp b/dnn/src/armv7/matrix_mul/fp32/strategy_mk_4x12.cpp
index db89491bfe6852e58c560ecb477acb2e18e2a408..233eb3029bbf02787c3a4d792ebb994889c6dd8d 100644
--- a/dnn/src/armv7/matrix_mul/fp32/strategy_mk_4x12.cpp
+++ b/dnn/src/armv7/matrix_mul/fp32/strategy_mk_4x12.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/fp32/strategy_mk_4x12.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int16x16x32/kernel_12x4x1.h b/dnn/src/armv7/matrix_mul/int16x16x32/kernel_12x4x1.h
index e100c03b773f456a36633d9b71562330e4f168ab..ac4e02365c821d6b7e0941276fcc0ef0413523a5 100644
--- a/dnn/src/armv7/matrix_mul/int16x16x32/kernel_12x4x1.h
+++ b/dnn/src/armv7/matrix_mul/int16x16x32/kernel_12x4x1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int16x16x32/kernel_12x4x1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int16x16x32/strategy.cpp b/dnn/src/armv7/matrix_mul/int16x16x32/strategy.cpp
index 08ae30a98c0528717fcf7c19b4390788c9c04144..f5b470bc8022ac18d5760294e7aad7fb46d5deb7 100644
--- a/dnn/src/armv7/matrix_mul/int16x16x32/strategy.cpp
+++ b/dnn/src/armv7/matrix_mul/int16x16x32/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int16x16x32/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int16x16x32/strategy.h b/dnn/src/armv7/matrix_mul/int16x16x32/strategy.h
index d550ac80ac741752e6fddc21e3067d1607693d03..6a2b0a1fd2db0c64f41641805e99deb46b07b28e 100644
--- a/dnn/src/armv7/matrix_mul/int16x16x32/strategy.h
+++ b/dnn/src/armv7/matrix_mul/int16x16x32/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int16x16x32/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int16x16x32/strategy_mk8_4x8.cpp b/dnn/src/armv7/matrix_mul/int16x16x32/strategy_mk8_4x8.cpp
index 62243f427136aaedea0023b0b8674a983159bfee..8982a269e846d6b7341228efa476d04932bd2632 100644
--- a/dnn/src/armv7/matrix_mul/int16x16x32/strategy_mk8_4x8.cpp
+++ b/dnn/src/armv7/matrix_mul/int16x16x32/strategy_mk8_4x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int16x16x32/strategy_mk8_4x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8/kernel_4x2x16.h b/dnn/src/armv7/matrix_mul/int8/kernel_4x2x16.h
index 1b5c9dd9bb9d5965e5335d11ded4ff04526bdd61..d06fa584d57d9a8df425e656c8bc3b2125f6adac 100644
--- a/dnn/src/armv7/matrix_mul/int8/kernel_4x2x16.h
+++ b/dnn/src/armv7/matrix_mul/int8/kernel_4x2x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8/kernel_4x2x16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8/kernel_4x8x8.h b/dnn/src/armv7/matrix_mul/int8/kernel_4x8x8.h
index 411bfcd5385481ea06383977814eed357fd73dd1..e664df9596f45a814c8e350fefee3b2531162b36 100644
--- a/dnn/src/armv7/matrix_mul/int8/kernel_4x8x8.h
+++ b/dnn/src/armv7/matrix_mul/int8/kernel_4x8x8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8/kernel_4x8x8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8/kernel_6x8x4.h b/dnn/src/armv7/matrix_mul/int8/kernel_6x8x4.h
index f76c5395bcf3a01441a621914f608c2ac2155ed1..ac0c7efbab0bdfbaa48d65db42dc2a17d8dc366b 100644
--- a/dnn/src/armv7/matrix_mul/int8/kernel_6x8x4.h
+++ b/dnn/src/armv7/matrix_mul/int8/kernel_6x8x4.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8/kernel_6x8x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8/kernel_mk4_4x2x16.h b/dnn/src/armv7/matrix_mul/int8/kernel_mk4_4x2x16.h
index 2692dcf6860d8e0ca132d308e83f37fb03e1c084..a29970d1e905a777e1bc3eadae745b967426478a 100644
--- a/dnn/src/armv7/matrix_mul/int8/kernel_mk4_4x2x16.h
+++ b/dnn/src/armv7/matrix_mul/int8/kernel_mk4_4x2x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8/kernel_mk4_4x2x16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8/kernel_mk4_dot_8x4x4.h b/dnn/src/armv7/matrix_mul/int8/kernel_mk4_dot_8x4x4.h
index 1b76ef8a7b15f1ec160b68d8c1a3cbff1563432a..84626797c9501984381b19fb595b64a4d8d12fca 100644
--- a/dnn/src/armv7/matrix_mul/int8/kernel_mk4_dot_8x4x4.h
+++ b/dnn/src/armv7/matrix_mul/int8/kernel_mk4_dot_8x4x4.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8/kernel_mk4_dot_8x4x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8/strategy.cpp b/dnn/src/armv7/matrix_mul/int8/strategy.cpp
index 08934700ed5dd74491cd7621046221a6d9315dcc..57d05559d634ed6174f5bb3a1a0a3c9e03fc9aa0 100644
--- a/dnn/src/armv7/matrix_mul/int8/strategy.cpp
+++ b/dnn/src/armv7/matrix_mul/int8/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8/strategy.h b/dnn/src/armv7/matrix_mul/int8/strategy.h
index 0f2b15e9c72bb3b02a85d9b0ae353e1b7372e6e3..2f7302b25f975e626843aac2c4041723a15db1af 100644
--- a/dnn/src/armv7/matrix_mul/int8/strategy.h
+++ b/dnn/src/armv7/matrix_mul/int8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x2x16.h b/dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x2x16.h
index 8f24b5a0c3849df1ae569995cb022f720252c4bd..dffbcf09e02a2a4b22c63ca701b424ea2dc5fca9 100644
--- a/dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x2x16.h
+++ b/dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x2x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x2x16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x8x8.h b/dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x8x8.h
index 0af6a9f6a52862f91773deb11752d25db2ede280..1cd6bdf2d82c7193e444c8eecccbbb84283ea736 100644
--- a/dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x8x8.h
+++ b/dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x8x8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8x8x16/kernel_4x8x8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8x8x16/kernel_mk4_8x8x4.h b/dnn/src/armv7/matrix_mul/int8x8x16/kernel_mk4_8x8x4.h
index 59a2c2bece9f6c930c085c8f8eae39c3a0553bd8..9ac25ee565e537973cb7635eb96439e2a689e773 100644
--- a/dnn/src/armv7/matrix_mul/int8x8x16/kernel_mk4_8x8x4.h
+++ b/dnn/src/armv7/matrix_mul/int8x8x16/kernel_mk4_8x8x4.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8x8x16/kernel_mk4_8x8x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8x8x16/strategy.cpp b/dnn/src/armv7/matrix_mul/int8x8x16/strategy.cpp
index 0a1bac5fe3cdd6086b1e3f56c360743f1183e72e..0f9fb4dbfe77d2503c1903b5d64cd91f11ebf553 100644
--- a/dnn/src/armv7/matrix_mul/int8x8x16/strategy.cpp
+++ b/dnn/src/armv7/matrix_mul/int8x8x16/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8x8x16/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/int8x8x16/strategy.h b/dnn/src/armv7/matrix_mul/int8x8x16/strategy.h
index 7307b0c1160df90aab07df33f2cf28169a7dffd0..d395cbcd3e5d2b1f4693ad3458d25851d1120139 100644
--- a/dnn/src/armv7/matrix_mul/int8x8x16/strategy.h
+++ b/dnn/src/armv7/matrix_mul/int8x8x16/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/int8x8x16/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/opr_impl.cpp b/dnn/src/armv7/matrix_mul/opr_impl.cpp
index a2807a56c98c3469631714c5037635b4216788be..6db2ee1376c83074735f4af2fd26ced3e83e5dad 100644
--- a/dnn/src/armv7/matrix_mul/opr_impl.cpp
+++ b/dnn/src/armv7/matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/opr_impl.h b/dnn/src/armv7/matrix_mul/opr_impl.h
index 8ff401f72cabc05ca6f21231528cad5f7486207e..20448525d55b7fdd01c839543097b2e7ca78a7bc 100644
--- a/dnn/src/armv7/matrix_mul/opr_impl.h
+++ b/dnn/src/armv7/matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/quint8/kernel_4x8x8.h b/dnn/src/armv7/matrix_mul/quint8/kernel_4x8x8.h
index fb917bd7f2b2bff4bc6ee1db72483a07901a7326..3556a186b9b01276852f5dc3db5b8746a393b944 100644
--- a/dnn/src/armv7/matrix_mul/quint8/kernel_4x8x8.h
+++ b/dnn/src/armv7/matrix_mul/quint8/kernel_4x8x8.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/quint8/kernel_4x8x8.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/quint8/kernel_dot_4x8x4.h b/dnn/src/armv7/matrix_mul/quint8/kernel_dot_4x8x4.h
index 6d92cebd0bb78b43d78ec4d5b4c5098d0dea8b94..c99eb8779b5d50236a817fe5aa94a5dedf9df0a3 100644
--- a/dnn/src/armv7/matrix_mul/quint8/kernel_dot_4x8x4.h
+++ b/dnn/src/armv7/matrix_mul/quint8/kernel_dot_4x8x4.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/quint8/kernel_dot_4x8x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/quint8/strategy.cpp b/dnn/src/armv7/matrix_mul/quint8/strategy.cpp
index acbcb4db94ff9a18a0e45fe539abdefb9ce86ee5..87a938907fb60973a266d4b43cef50dab266a82a 100644
--- a/dnn/src/armv7/matrix_mul/quint8/strategy.cpp
+++ b/dnn/src/armv7/matrix_mul/quint8/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/quint8/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/matrix_mul/quint8/strategy.h b/dnn/src/armv7/matrix_mul/quint8/strategy.h
index d732e47edb2a71b11d9c38a782b83c066db672d6..170a1ff040a62772748b734ac294dd0a47f7423b 100644
--- a/dnn/src/armv7/matrix_mul/quint8/strategy.h
+++ b/dnn/src/armv7/matrix_mul/quint8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/matrix_mul/quint8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/relayout/opr_impl.cpp b/dnn/src/armv7/relayout/opr_impl.cpp
index 68a7bc2ded2f30a37d7e5203375851146ab8ecc3..1701dadc6a7688aaa8bfbb4a48dcaed9512f7008 100644
--- a/dnn/src/armv7/relayout/opr_impl.cpp
+++ b/dnn/src/armv7/relayout/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/relayout/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/relayout/opr_impl.h b/dnn/src/armv7/relayout/opr_impl.h
index 43f260b1bdf2a57b474f868313041bef15824c00..027f15feba1681bb7465e66a94f94cd57c96d1e1 100644
--- a/dnn/src/armv7/relayout/opr_impl.h
+++ b/dnn/src/armv7/relayout/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/relayout/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/rotate/opr_impl.cpp b/dnn/src/armv7/rotate/opr_impl.cpp
index 8114194d91029808749f10cf276b204f47806937..a22a81332b5acfbc7905c7b0298286c2ae572190 100644
--- a/dnn/src/armv7/rotate/opr_impl.cpp
+++ b/dnn/src/armv7/rotate/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/rotate/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/armv7/rotate/opr_impl.h b/dnn/src/armv7/rotate/opr_impl.h
index 574d68cd980a457daea0ca34d3c7467342271dc1..8bccd31eaf000b840e66c1650cece28db8d7c811 100644
--- a/dnn/src/armv7/rotate/opr_impl.h
+++ b/dnn/src/armv7/rotate/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/armv7/rotate/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/checksum/opr_impl.cpp b/dnn/src/atlas/checksum/opr_impl.cpp
index a4eb67ed5df310df352ae851d8e1ef2160c52db3..88d19d4bfd68ea3932ca3471ef2b5a9d5497ddd7 100644
--- a/dnn/src/atlas/checksum/opr_impl.cpp
+++ b/dnn/src/atlas/checksum/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/checksum/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/checksum/opr_impl.h b/dnn/src/atlas/checksum/opr_impl.h
index 1f7c06d40c737378146412d37a678d55b802c0cd..cd22c3931b64369998f2287f76d05928214420df 100644
--- a/dnn/src/atlas/checksum/opr_impl.h
+++ b/dnn/src/atlas/checksum/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/checksum/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/handle.cpp b/dnn/src/atlas/handle.cpp
index ac881d72a43a00682c89ab2096ac6004dce5eef5..b50187a5b8f5003a47f2c91bad9e724cef3524d2 100644
--- a/dnn/src/atlas/handle.cpp
+++ b/dnn/src/atlas/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/handle.h b/dnn/src/atlas/handle.h
index acf24c732a389849b1bb97c0e85f8404dbe17239..cad6d2ec3c36724afe6ff321b7f203b952681a12 100644
--- a/dnn/src/atlas/handle.h
+++ b/dnn/src/atlas/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/megcore/computing_context.cpp b/dnn/src/atlas/megcore/computing_context.cpp
index 7bda2c91b8b8d485b603ca104977a8bd3c06f709..cad6e808322b4ce1373fb62438ee612ed5c1e3b1 100644
--- a/dnn/src/atlas/megcore/computing_context.cpp
+++ b/dnn/src/atlas/megcore/computing_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/megcore/atlas_computing_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/megcore/computing_context.hpp b/dnn/src/atlas/megcore/computing_context.hpp
index 78b49fbaeb0e7dc9dff5b063372ba03099be2727..c8ec6bdc02a5f936a76622c184380c4a49b9a15d 100644
--- a/dnn/src/atlas/megcore/computing_context.hpp
+++ b/dnn/src/atlas/megcore/computing_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/megcore/computing_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/megcore/device_context.cpp b/dnn/src/atlas/megcore/device_context.cpp
index 36568f23a2830f2334e1497e1c3fe909c675c8fb..f3624923bda8f8e65450731c9f5a60f6b46b30d4 100644
--- a/dnn/src/atlas/megcore/device_context.cpp
+++ b/dnn/src/atlas/megcore/device_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/megcore/device_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/megcore/device_context.hpp b/dnn/src/atlas/megcore/device_context.hpp
index 5827e49345c1ab960c924268c871580319c40729..a5ac5bd365b5d739a96bdba5f35fc9b259f55f01 100644
--- a/dnn/src/atlas/megcore/device_context.hpp
+++ b/dnn/src/atlas/megcore/device_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/megcore/device_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/megcore/public_api/computing.cpp b/dnn/src/atlas/megcore/public_api/computing.cpp
index dc56b3b3cb966896cc6daa9ee3e4009cf7ab2dd3..4dabe1ae217be4fb1100430cc83e112ae30cc152 100644
--- a/dnn/src/atlas/megcore/public_api/computing.cpp
+++ b/dnn/src/atlas/megcore/public_api/computing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/megcore/public_api/computing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/utils.cpp b/dnn/src/atlas/utils.cpp
index 3c54bcb42fcbddbd98705d40dfd1d71a04cd54f1..037ca373cf51ba64f23f492e285dcc0f7059f89d 100644
--- a/dnn/src/atlas/utils.cpp
+++ b/dnn/src/atlas/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/atlas/utils.h b/dnn/src/atlas/utils.h
index 739df3140853da25cbeb1065d8b9de1f9a5cb2b9..8a80aaace10344a89dcd9e58939657c9f2809ea1 100644
--- a/dnn/src/atlas/utils.h
+++ b/dnn/src/atlas/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/atlas/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/checksum/checksum.mlu.h b/dnn/src/cambricon/checksum/checksum.mlu.h
index 0db9b259d316123e30950d8335eda4d05f1ad441..6da2266a22f0de92edc26280c6f08ec51b913e4e 100644
--- a/dnn/src/cambricon/checksum/checksum.mlu.h
+++ b/dnn/src/cambricon/checksum/checksum.mlu.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/checksum/checksum.mlu.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/checksum/checksum_kernel_union1.mlu b/dnn/src/cambricon/checksum/checksum_kernel_union1.mlu
index 21d150c2e04f5c92de5912126c8469c027758865..927b52baa1fe4447d50af33d2c283d8ebccc78cd 100644
--- a/dnn/src/cambricon/checksum/checksum_kernel_union1.mlu
+++ b/dnn/src/cambricon/checksum/checksum_kernel_union1.mlu
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/checksum/checksum_kernel_union1.mlu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/checksum/checksum_kernel_union4.mlu b/dnn/src/cambricon/checksum/checksum_kernel_union4.mlu
index 501c8b947209d977714d54e4fb6c76bbb229057e..b01a6cc046c1aa06b9fbba87543b528e47c982cb 100644
--- a/dnn/src/cambricon/checksum/checksum_kernel_union4.mlu
+++ b/dnn/src/cambricon/checksum/checksum_kernel_union4.mlu
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/checksum/checksum_kernel_union4.mlu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/checksum/opr_impl.cpp b/dnn/src/cambricon/checksum/opr_impl.cpp
index 020f5369f46a2eeeba0f867ee1b45cde662a7e5a..ac3a6bbd2a6ab9022ced22d6bb5d70deafdb5134 100644
--- a/dnn/src/cambricon/checksum/opr_impl.cpp
+++ b/dnn/src/cambricon/checksum/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/checksum/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/checksum/opr_impl.h b/dnn/src/cambricon/checksum/opr_impl.h
index 226ab12d8cf979b84eb9ac46300dd1a06b3d989b..de410fbd22939472f1955f46ecaf1e3688436916 100644
--- a/dnn/src/cambricon/checksum/opr_impl.h
+++ b/dnn/src/cambricon/checksum/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/checksum/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/handle.cpp b/dnn/src/cambricon/handle.cpp
index 3375392d0817c6a24fa0691962b6633f3cd15ede..5cc8b7366eede52066d903c49e21f80ec7da6e13 100644
--- a/dnn/src/cambricon/handle.cpp
+++ b/dnn/src/cambricon/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/handle.h b/dnn/src/cambricon/handle.h
index a8880821ea295e3bddd34ed0715f74c3f3676280..a57f6661e22edb59c7eb2b328f288d6341f7b2b2 100644
--- a/dnn/src/cambricon/handle.h
+++ b/dnn/src/cambricon/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/megcore/cambricon_computing_context.cpp b/dnn/src/cambricon/megcore/cambricon_computing_context.cpp
index 377ac3b1f75feb3903e7c035b33d52013c3b657d..77d49e648f6838a2896abf8bc9986b1658f4e7a9 100644
--- a/dnn/src/cambricon/megcore/cambricon_computing_context.cpp
+++ b/dnn/src/cambricon/megcore/cambricon_computing_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/megcore/cambricon_computing_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/megcore/cambricon_computing_context.hpp b/dnn/src/cambricon/megcore/cambricon_computing_context.hpp
index 993bd81950e1b24c133be3d2340d930db0463182..cd08312b786e59219d6018224b43cc64c7cbb1cd 100644
--- a/dnn/src/cambricon/megcore/cambricon_computing_context.hpp
+++ b/dnn/src/cambricon/megcore/cambricon_computing_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/megcore/cambricon_computing_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/megcore/cambricon_device_context.cpp b/dnn/src/cambricon/megcore/cambricon_device_context.cpp
index 23d3e1b2822eca9c745fd6350a9871fdd189eb1d..8a2a298ee54c104991ff1b9fffb6646a2be19807 100644
--- a/dnn/src/cambricon/megcore/cambricon_device_context.cpp
+++ b/dnn/src/cambricon/megcore/cambricon_device_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/megcore/cambricon_device_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/megcore/cambricon_device_context.hpp b/dnn/src/cambricon/megcore/cambricon_device_context.hpp
index 3b43da57faace9c5f5697eb5946bbe368cfb2d98..0e55b08543e30efc3f27109e9cf44be57bfe96bf 100644
--- a/dnn/src/cambricon/megcore/cambricon_device_context.hpp
+++ b/dnn/src/cambricon/megcore/cambricon_device_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/megcore/cambricon_device_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/megcore/public_api/computing.cpp b/dnn/src/cambricon/megcore/public_api/computing.cpp
index 1701e3f4a71d50c39e8e8f3145427c39b17ad747..363ebb72445ccd449d2f2235df91410f2a4e0e50 100644
--- a/dnn/src/cambricon/megcore/public_api/computing.cpp
+++ b/dnn/src/cambricon/megcore/public_api/computing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/megcore/public_api/computing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/utils.cpp b/dnn/src/cambricon/utils.cpp
index 9d2fdc610d9bda845ca7cd233ab28b3d1152c613..02c6d3a505009d779450603c4b1094b9001963b3 100644
--- a/dnn/src/cambricon/utils.cpp
+++ b/dnn/src/cambricon/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/utils.h b/dnn/src/cambricon/utils.h
index 2de6e35c485f3e4d1ddab1f86adc8eec26209ca2..1e3f580468d35de673def0e427ca4894e7da1a92 100644
--- a/dnn/src/cambricon/utils.h
+++ b/dnn/src/cambricon/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cambricon/utils.mlu.h b/dnn/src/cambricon/utils.mlu.h
index db499b2d3be2532a2244a0f853692ac3adf18625..1355c65b08b4b637f653d172178ed6f24b4f09e6 100644
--- a/dnn/src/cambricon/utils.mlu.h
+++ b/dnn/src/cambricon/utils.mlu.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cambricon/utils.mlu.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/adaptive_pooling.cpp b/dnn/src/common/adaptive_pooling.cpp
index 56bcb3a1b99e19aa2884ee3699d477477bfdc00f..3f028909c7577ade67a45243050bf58b3838b16f 100644
--- a/dnn/src/common/adaptive_pooling.cpp
+++ b/dnn/src/common/adaptive_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/adaptive_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/add_update.cpp b/dnn/src/common/add_update.cpp
index d7fc6efcb57e90b2ee8dbef994078a1e9e3e4703..b0eb7b3defe7bdd1b94569dd700558d06a7358b1 100644
--- a/dnn/src/common/add_update.cpp
+++ b/dnn/src/common/add_update.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/add_update.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/add_update_helper.h b/dnn/src/common/add_update_helper.h
index 63157b075d7e22b5297b7a91babd79b0077761f9..0f6af07bc9cc6c08e6b13c3a64f428baa21bd52c 100644
--- a/dnn/src/common/add_update_helper.h
+++ b/dnn/src/common/add_update_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/add_update_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/algo_base.h b/dnn/src/common/algo_base.h
index 398545574a3fdaf398408831193daaead065e90d..39056f570a37c0c03e5f9c405e2f941479d797d6 100644
--- a/dnn/src/common/algo_base.h
+++ b/dnn/src/common/algo_base.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/algo_base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/algo_chooser.h b/dnn/src/common/algo_chooser.h
index 1215a647b8c393c77a8c3d7c67c8db131b648699..211171dc3490e5df119d0015ebf5450bbc49989d 100644
--- a/dnn/src/common/algo_chooser.h
+++ b/dnn/src/common/algo_chooser.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/algo_chooser.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/argmxx/base_impl.cpp b/dnn/src/common/argmxx/base_impl.cpp
index 8f41fc028f9e0aa1f4f8443432a71b27cf3c5ec3..11ca35ab840319094430a43c44f9460e943e5dee 100644
--- a/dnn/src/common/argmxx/base_impl.cpp
+++ b/dnn/src/common/argmxx/base_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/argmxx/base_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/argmxx_helper.h b/dnn/src/common/argmxx_helper.h
index a59e26fce5df414c70e0454efb5a9824dc100470..64e7cc355005752cc0b6293382e448c7b54ba95f 100644
--- a/dnn/src/common/argmxx_helper.h
+++ b/dnn/src/common/argmxx_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/argmxx_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/argsort.cpp b/dnn/src/common/argsort.cpp
index 5f13548429914b1e35a46e03b3efa2e7bc906ad7..5ad5c7e651847ace9e773c7554be5440bfe9c5d9 100644
--- a/dnn/src/common/argsort.cpp
+++ b/dnn/src/common/argsort.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/argsort.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/asm_common_defs.h b/dnn/src/common/asm_common_defs.h
index f6c76647b6f017c69774f30a10caed4cb270a1aa..d85571160647103bedb0ee936ffba62b6a638ae9 100644
--- a/dnn/src/common/asm_common_defs.h
+++ b/dnn/src/common/asm_common_defs.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/asm_common_defs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/basic_types.cpp b/dnn/src/common/basic_types.cpp
index dce7b820c35f78fc3dbf2c8b95cf491a8b509449..48b4ecc11408cea8825315ea11acb5f9f3fc4f80 100644
--- a/dnn/src/common/basic_types.cpp
+++ b/dnn/src/common/basic_types.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/basic_types.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/batch_conv_bias.cpp b/dnn/src/common/batch_conv_bias.cpp
index 485fd3ca685b3ee387f8adf54502fc2baf7cc69a..b3ecb8c054d0166ca3536f300d3aa1634a09db8b 100644
--- a/dnn/src/common/batch_conv_bias.cpp
+++ b/dnn/src/common/batch_conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/batch_conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/batch_normalization.cpp b/dnn/src/common/batch_normalization.cpp
index b1f049f7630f83d00d3333c61b3ff2d127e2fe6d..55a25f11a6c2d392d7dca0709cefb8e72a9dcb7a 100644
--- a/dnn/src/common/batch_normalization.cpp
+++ b/dnn/src/common/batch_normalization.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/batch_normalization.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/batched_matrix_mul.cpp b/dnn/src/common/batched_matrix_mul.cpp
index d109374252108391a335dee04ebdf41719906b9b..cc734ef1c0bec6a3709bdff0b082f05e66235e0c 100644
--- a/dnn/src/common/batched_matrix_mul.cpp
+++ b/dnn/src/common/batched_matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/batched_matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/checksum.cpp b/dnn/src/common/checksum.cpp
index 7a80403f0397b92fd4d2fd5045bd3d465399fc12..76123e4305311556edad1ab234705e60be75bb1b 100644
--- a/dnn/src/common/checksum.cpp
+++ b/dnn/src/common/checksum.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/checksum.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/concat_split.cpp b/dnn/src/common/concat_split.cpp
index cea107c1e07da52d6866abe6191460efbeaeea7b..713d6e28cbcfa88d626d462a479a99f92ec1645a 100644
--- a/dnn/src/common/concat_split.cpp
+++ b/dnn/src/common/concat_split.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/concat_split.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cond_take/opr_impl.cpp b/dnn/src/common/cond_take/opr_impl.cpp
index 3d5e8c437edc6837db449b34d6c6fefd1eef3c8c..dfa744fd0ae4f197c869f2048fb8b58a6082e174 100644
--- a/dnn/src/common/cond_take/opr_impl.cpp
+++ b/dnn/src/common/cond_take/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cond_take/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cond_take/predicate.cuh b/dnn/src/common/cond_take/predicate.cuh
index a00aa476dd9687d15054a9cb1c1f78fc3746d2a0..c415b9a43ccd0d872127068f16a9b93588838aa0 100644
--- a/dnn/src/common/cond_take/predicate.cuh
+++ b/dnn/src/common/cond_take/predicate.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cond_take/predicate.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/conv_bias.cpp b/dnn/src/common/conv_bias.cpp
index 7b66b50258ccd7a023337c14f879ffb510367558..b23f1781dc3d5d94f3f740e7d98b06b12fe5c32d 100644
--- a/dnn/src/common/conv_bias.cpp
+++ b/dnn/src/common/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/conv_bias.h b/dnn/src/common/conv_bias.h
index 52d18daff8ce3a5ae82f21549b1e10286eb207f2..fc9da4c10e47d940acc73a66e454415833c34592 100644
--- a/dnn/src/common/conv_bias.h
+++ b/dnn/src/common/conv_bias.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/conv_bias.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/conv_pooling.cpp b/dnn/src/common/conv_pooling.cpp
index ce2a39856c1ea7b04ad0de88b13b4ca389e52599..92a1266743ed666ea01de24a37117feaa981f539 100644
--- a/dnn/src/common/conv_pooling.cpp
+++ b/dnn/src/common/conv_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/conv_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/convolution.cpp b/dnn/src/common/convolution.cpp
index a30867ffff1c178a8846d16b2466b5db73a31ea2..e2c7aa916405a770dc9293e9827ae8588bc2e669 100644
--- a/dnn/src/common/convolution.cpp
+++ b/dnn/src/common/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/convolution3d.cpp b/dnn/src/common/convolution3d.cpp
index 098505571d74a6e571cd835970e66cd84e0a9226..223d69ad9eec9798847921e4aff0378dacea9f93 100644
--- a/dnn/src/common/convolution3d.cpp
+++ b/dnn/src/common/convolution3d.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/convolution3d.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cpuinfo_arch_vendor.cpp b/dnn/src/common/cpuinfo_arch_vendor.cpp
index 00916e7d48535fbe30fcf8cf5e0e6ba574b19c2a..a226db9172cece4d18bb7d9721d016cfa06ef59e 100644
--- a/dnn/src/common/cpuinfo_arch_vendor.cpp
+++ b/dnn/src/common/cpuinfo_arch_vendor.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cpuinfo_arch_vendor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cpuinfo_arch_vendor.h b/dnn/src/common/cpuinfo_arch_vendor.h
index efe701827da2377881c0b5f2e116b2c42148e2ae..b2f5482ca705a8dcde180386e8ed0a823b18b49c 100644
--- a/dnn/src/common/cpuinfo_arch_vendor.h
+++ b/dnn/src/common/cpuinfo_arch_vendor.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cpuinfo_arch_vendor.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cumsum.cpp b/dnn/src/common/cumsum.cpp
index 5c87e811c99524bc0b420c5a54b34ee8ed0cf915..bb29b7f922e11d99b659b5b08f3cffe1b56a715b 100644
--- a/dnn/src/common/cumsum.cpp
+++ b/dnn/src/common/cumsum.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cumsum.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/aligned_allocator.h b/dnn/src/common/cv/aligned_allocator.h
index 6fc4265930aa8dd4ef35ec446b819f635e052eee..d68462e34b1f1ba0f90a01798d6596ec998b4f92 100644
--- a/dnn/src/common/cv/aligned_allocator.h
+++ b/dnn/src/common/cv/aligned_allocator.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cv/aligned_allocator.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/bordermode-inl.h b/dnn/src/common/cv/bordermode-inl.h
index c63e7771e623cd0201cc8c1f9972fe1953df8efd..69a0bafd11a7586e44915f71d96974d17244f7ed 100644
--- a/dnn/src/common/cv/bordermode-inl.h
+++ b/dnn/src/common/cv/bordermode-inl.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/common.h b/dnn/src/common/cv/common.h
index 8deb702c1c56ca6e3c17dbce3b1e84122b54de4e..d695ae7fe72a365dd29b546f774bc26be4da04ad 100644
--- a/dnn/src/common/cv/common.h
+++ b/dnn/src/common/cv/common.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/cvt_color.h b/dnn/src/common/cv/cvt_color.h
index 06bd04cd938c018032868b9a0470685262f6a94e..d6d88ba84871396a112a4406b21e2d08fe8b2891 100644
--- a/dnn/src/common/cv/cvt_color.h
+++ b/dnn/src/common/cv/cvt_color.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cv/cvt_color.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/enums.h b/dnn/src/common/cv/enums.h
index 498385b351023e2ca5956a6ebd27a3ccbcc3bcb1..dc9696fe75a28b4ad1255b5217c7588618607813 100644
--- a/dnn/src/common/cv/enums.h
+++ b/dnn/src/common/cv/enums.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cv/enums.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/filter.cpp b/dnn/src/common/cv/filter.cpp
index 810010b389506ad3addaa3e413544f335599ef02..add968236ae5e1ab2a338068aa0804087a492603 100644
--- a/dnn/src/common/cv/filter.cpp
+++ b/dnn/src/common/cv/filter.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/filter.h b/dnn/src/common/cv/filter.h
index e71f7e546bd2dc7fc3d9b05bd20c4a51e65cf01e..0290209870736242ee489c8035adc08145ee65b4 100644
--- a/dnn/src/common/cv/filter.h
+++ b/dnn/src/common/cv/filter.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/helper.h b/dnn/src/common/cv/helper.h
index f7069e1e962e5c438aeed89e67c9cc008a69e5f4..cd1af7176bff01c76f829c2793fa2f4580f61d4a 100644
--- a/dnn/src/common/cv/helper.h
+++ b/dnn/src/common/cv/helper.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/interp_helper.cpp b/dnn/src/common/cv/interp_helper.cpp
index 91f8d2ecd9661cbdbe756037f095b849210e29fd..ae0a408e28e4c166ea5469abb72ebc51fc47cb58 100644
--- a/dnn/src/common/cv/interp_helper.cpp
+++ b/dnn/src/common/cv/interp_helper.cpp
@@ -45,7 +45,7 @@
  * ---------------------------------------------------------------------------
  * \file dnn/src/common/cv/interp_helper.cpp
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/interp_helper.h b/dnn/src/common/cv/interp_helper.h
index 9f9dcd8553e0eb2986f0e335072aae3275832210..7d64c11c9c9f039576171f79873e7eec1a6d5392 100644
--- a/dnn/src/common/cv/interp_helper.h
+++ b/dnn/src/common/cv/interp_helper.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/linalg.h b/dnn/src/common/cv/linalg.h
index 148b86116bee05b841819e581428f57b0f096bb1..b7d63fce19899f041fcd43784b22258f4052f589 100644
--- a/dnn/src/common/cv/linalg.h
+++ b/dnn/src/common/cv/linalg.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cv/linalg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cv/mat.cpp b/dnn/src/common/cv/mat.cpp
index 899c1d0b5049b49c343ad5117d9448952d545b31..48237e47f474af0d45f4d734b0db84f200e38744 100644
--- a/dnn/src/common/cv/mat.cpp
+++ b/dnn/src/common/cv/mat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cv/mat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/cvt_color.cpp b/dnn/src/common/cvt_color.cpp
index 8f35677edd0c8a57c45ef8220f61a7a3b3048d2d..1b09651e2894930274f9b27b148b7d221251f822 100644
--- a/dnn/src/common/cvt_color.cpp
+++ b/dnn/src/common/cvt_color.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/cvt_color.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/dct.cpp b/dnn/src/common/dct.cpp
index 8441115b48cc552c657010cde56fe5aa2b4fae8c..7d726549359702974a5a388bb4539e6b8c343f8c 100644
--- a/dnn/src/common/dct.cpp
+++ b/dnn/src/common/dct.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/dct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/deformable_conv.cpp b/dnn/src/common/deformable_conv.cpp
index d68dff887ca6bea727768affd8444687b68fa82f..87052b1c5c9b5603c29b6eabc181a0292226e2c2 100644
--- a/dnn/src/common/deformable_conv.cpp
+++ b/dnn/src/common/deformable_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/deformable_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/deformable_ps_roi_pooling.cpp b/dnn/src/common/deformable_ps_roi_pooling.cpp
index 4107ee647eb2ec31bca333ea39d329354cb580b2..f61fdf003fae89797c55bbbff4eb05c9cd2e9617 100644
--- a/dnn/src/common/deformable_ps_roi_pooling.cpp
+++ b/dnn/src/common/deformable_ps_roi_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/deformable_ps_roi_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/dot.cpp b/dnn/src/common/dot.cpp
index 993d50c97ea1597711fd6d056c983b9a0a654ebf..14faf5b5d7881d7e8295a1deaee4ba3fb285d70e 100644
--- a/dnn/src/common/dot.cpp
+++ b/dnn/src/common/dot.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/dot.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/dtype.cpp b/dnn/src/common/dtype.cpp
index e0d0860fabb673dfd0f05f083319157b4af7a0b2..a82d4a6b7a443466d4928729cece1edbb9be371d 100644
--- a/dnn/src/common/dtype.cpp
+++ b/dnn/src/common/dtype.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/dtype.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise/erfinv.h b/dnn/src/common/elemwise/erfinv.h
index 2429014c335ef7af602c461e8748da8609be7f64..faafba292cc4bfd040ea45a576b36b81606e7ed5 100644
--- a/dnn/src/common/elemwise/erfinv.h
+++ b/dnn/src/common/elemwise/erfinv.h
@@ -28,7 +28,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise/kern_defs.cuh b/dnn/src/common/elemwise/kern_defs.cuh
index e5906411290037c0a8bbc789b081124be7886e3d..5c4f859a058f5556f41f1f9867445170ef469a76 100644
--- a/dnn/src/common/elemwise/kern_defs.cuh
+++ b/dnn/src/common/elemwise/kern_defs.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise/kern_defs.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise/opr_impl.cpp b/dnn/src/common/elemwise/opr_impl.cpp
index 0881934b9bf4a0e236b21ebe146260e9eff8bc53..7370593ec2fc277c0da4ea7207413d3ae02d2152 100644
--- a/dnn/src/common/elemwise/opr_impl.cpp
+++ b/dnn/src/common/elemwise/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise/opr_impl_body.inl b/dnn/src/common/elemwise/opr_impl_body.inl
index 4ea99efe01f482416d8fb2412a131a59d8674733..1eb1a945d5f36290f171fc1191801efbd6289804 100644
--- a/dnn/src/common/elemwise/opr_impl_body.inl
+++ b/dnn/src/common/elemwise/opr_impl_body.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise/opr_impl_body.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise/opr_impl_class_def.inl b/dnn/src/common/elemwise/opr_impl_class_def.inl
index c7d60ee2dc7c01d78dcd3886d95cabeb8d0cb21a..b158be220e31400a76fbe064f6e1121db8fda75b 100644
--- a/dnn/src/common/elemwise/opr_impl_class_def.inl
+++ b/dnn/src/common/elemwise/opr_impl_class_def.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise/opr_impl_class_def.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise/opr_impl_helper.cpp b/dnn/src/common/elemwise/opr_impl_helper.cpp
index bb4ca343815cb93af4666ffee2c21d749ac5924a..6fbcebddff6792e114dea45a3db9886b738e0886 100644
--- a/dnn/src/common/elemwise/opr_impl_helper.cpp
+++ b/dnn/src/common/elemwise/opr_impl_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise/opr_impl_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise/opr_impl_helper.h b/dnn/src/common/elemwise/opr_impl_helper.h
index e3e474957939f54375f5e8f3d354c4fb95309e4c..892a10f0b17e0380cd438416eae01adf56b88123 100644
--- a/dnn/src/common/elemwise/opr_impl_helper.h
+++ b/dnn/src/common/elemwise/opr_impl_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise/opr_impl_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise_helper.cpp b/dnn/src/common/elemwise_helper.cpp
index 6e57d2bb8f5efd7d90e8bdc10d6e9b69c1bd2163..62200430984ce26cfdce46f4880d8392d00d20d5 100644
--- a/dnn/src/common/elemwise_helper.cpp
+++ b/dnn/src/common/elemwise_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise_helper.cuh b/dnn/src/common/elemwise_helper.cuh
index 3b1a5668f1e526b0530e1edb32e55dcf82979cbe..529e851dd430429d9e24f242d4c5c3902ff5033b 100644
--- a/dnn/src/common/elemwise_helper.cuh
+++ b/dnn/src/common/elemwise_helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise_helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise_multi_type/kern_defs.cuh b/dnn/src/common/elemwise_multi_type/kern_defs.cuh
index 5527c60267e51a8821dc3f835feee95b83a2109e..de901e1fcab56d5029acbad670105fbb5e4cdb43 100644
--- a/dnn/src/common/elemwise_multi_type/kern_defs.cuh
+++ b/dnn/src/common/elemwise_multi_type/kern_defs.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise_multi_type/kern_defs.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise_multi_type/opr_impl.cpp b/dnn/src/common/elemwise_multi_type/opr_impl.cpp
index edc749d88fdae9c5e802eb8241907e699f930c38..ef634e1bad769b714baf81059d0edca872aef795 100644
--- a/dnn/src/common/elemwise_multi_type/opr_impl.cpp
+++ b/dnn/src/common/elemwise_multi_type/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise_multi_type/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise_multi_type/opr_impl_helper.cpp b/dnn/src/common/elemwise_multi_type/opr_impl_helper.cpp
index 34e44f1b8a276a57a82c2f28fa23cf06dbbea482..38cfe8a35586e504fb7810586cb3f33d0bd86817 100644
--- a/dnn/src/common/elemwise_multi_type/opr_impl_helper.cpp
+++ b/dnn/src/common/elemwise_multi_type/opr_impl_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise_multi_type/opr_impl_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/elemwise_multi_type/opr_impl_helper.h b/dnn/src/common/elemwise_multi_type/opr_impl_helper.h
index 8646175a2dd4c2691b56cffa1209cc24c8abc596..c0196908358a7d1e1845f3e09d3fc71e39da81b7 100644
--- a/dnn/src/common/elemwise_multi_type/opr_impl_helper.h
+++ b/dnn/src/common/elemwise_multi_type/opr_impl_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/elemwise_multi_type/opr_impl_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/eye.cpp b/dnn/src/common/eye.cpp
index fcec541f5e9658357cff65c979b380f892357482..f0ba6f92a121f08e9ca419913f70da9edac1ae9a 100644
--- a/dnn/src/common/eye.cpp
+++ b/dnn/src/common/eye.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/eye.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/fake_quant.cpp b/dnn/src/common/fake_quant.cpp
index 96700a6fc2e0a213c299e1dd53d916d4ba1bced0..2334dab4f49187aae9a4b46aa5fc77565eba2b40 100644
--- a/dnn/src/common/fake_quant.cpp
+++ b/dnn/src/common/fake_quant.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/fakequant.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/flag_warn.cpp b/dnn/src/common/flag_warn.cpp
index 06e81b3eb21e1ea7690e4eba67ea119aeb06ee77..01a8745ea30fff98d45501b0eb88d595b805b747 100644
--- a/dnn/src/common/flag_warn.cpp
+++ b/dnn/src/common/flag_warn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/flag_warn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/flip.cpp b/dnn/src/common/flip.cpp
index c9e08c7ee2bb6493a46814c1ca7f3a0ce9222689..06e29b14de8ac1dbaed5f52e9f8edc274296c276 100644
--- a/dnn/src/common/flip.cpp
+++ b/dnn/src/common/flip.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/flip.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/gaussian_blur.cpp b/dnn/src/common/gaussian_blur.cpp
index 6aa1ce3501276dcc73fa3b978171d41e3a8ff27f..ef74237667d47acc67528e902bb009a3417c0936 100644
--- a/dnn/src/common/gaussian_blur.cpp
+++ b/dnn/src/common/gaussian_blur.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/gaussian_blur.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/gaussian_blur_helper.h b/dnn/src/common/gaussian_blur_helper.h
index 06e63e6816d9b4a56e4f439a74eeb6645cbadb27..72681a92061afd770a6e9ac9e2bc51c1d840de70 100644
--- a/dnn/src/common/gaussian_blur_helper.h
+++ b/dnn/src/common/gaussian_blur_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/gaussian_blur_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/group_local.cpp b/dnn/src/common/group_local.cpp
index ca668c20698fbc7bb3daa4a645c4c5a49e0b6ce8..ffcb392358e6f0556d5ebfa1442888c6b8b20f69 100644
--- a/dnn/src/common/group_local.cpp
+++ b/dnn/src/common/group_local.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/group_local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/handle.cpp b/dnn/src/common/handle.cpp
index 4aafabb08cdc34337a28a4614b3150cb742128dd..3f6e3154d95e07febc21427361a0046c4a4f1c89 100644
--- a/dnn/src/common/handle.cpp
+++ b/dnn/src/common/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/handle_impl.h b/dnn/src/common/handle_impl.h
index 77227b6cc9298f0ac9056c23e64f95f6b171e3b5..c318931189f04e0ac8de65c691b01f640f72c369 100644
--- a/dnn/src/common/handle_impl.h
+++ b/dnn/src/common/handle_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/handle_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/hash_ct.h b/dnn/src/common/hash_ct.h
index 14f5909de9abf836b2f239ef60942aa4cf92bdb7..b8d2ca031ebf142155095a00cb835fc05778f1ab 100644
--- a/dnn/src/common/hash_ct.h
+++ b/dnn/src/common/hash_ct.h
@@ -26,7 +26,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/images2neibs.cpp b/dnn/src/common/images2neibs.cpp
index c80ab893b402df6c6da3a8bb18c87075050411c7..2367094252395c9d5447330edbe663c309eeca64 100644
--- a/dnn/src/common/images2neibs.cpp
+++ b/dnn/src/common/images2neibs.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/images2neibs.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/indexing_multi_axis_vec.cpp b/dnn/src/common/indexing_multi_axis_vec.cpp
index 31173241fad7c693ffde4ca5a33cc25098428cf6..e23aec04efee5aacad9adee5b3dc868ab3b785da 100644
--- a/dnn/src/common/indexing_multi_axis_vec.cpp
+++ b/dnn/src/common/indexing_multi_axis_vec.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/indexing_multi_axis_vec.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/indexing_multi_axis_vec_kdef.h b/dnn/src/common/indexing_multi_axis_vec_kdef.h
index ddf5c960a7ddf13b500506b8af693ef0cf81d7ec..916ef2e752509a631e0a16687caa5f62c788bea9 100644
--- a/dnn/src/common/indexing_multi_axis_vec_kdef.h
+++ b/dnn/src/common/indexing_multi_axis_vec_kdef.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/indexing_multi_axis_vec_kdef.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/indexing_one_hot.cpp b/dnn/src/common/indexing_one_hot.cpp
index 78a3b7f97ed1430a6f0275ff3dbf441e324fed5e..bb7f35723ef21e5f59b9f96b948f52a0e778c816 100644
--- a/dnn/src/common/indexing_one_hot.cpp
+++ b/dnn/src/common/indexing_one_hot.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/indexing_one_hot.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/linspace.cpp b/dnn/src/common/linspace.cpp
index d716237df78a1d9fcb7e999a2b6afe8185e32abd..ceae94fa4885156652a2a215536fc6d0f5a8a9cd 100644
--- a/dnn/src/common/linspace.cpp
+++ b/dnn/src/common/linspace.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/linspace.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/local/local_decl.inl b/dnn/src/common/local/local_decl.inl
index 71a0e86d3503049eec1a1e2f1e07ca08b57ab878..5682eec6a90c7776606814c23220bfd3998fb41a 100644
--- a/dnn/src/common/local/local_decl.inl
+++ b/dnn/src/common/local/local_decl.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/common/local/local_decl.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/local/local_def.inl b/dnn/src/common/local/local_def.inl
index 13b8759cc28b0d4cf6c8b6118e5948da5e0b909e..0f912194c3e53e04de7519f78d8d9076a27d8eb5 100644
--- a/dnn/src/common/local/local_def.inl
+++ b/dnn/src/common/local/local_def.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/common/local/local_def.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/local/opr_impl.cpp b/dnn/src/common/local/opr_impl.cpp
index ab44be3c09501a6a75743ea816a0d33c59fba262..579e7254e586231b386044403ea85f23ff6a1fce 100644
--- a/dnn/src/common/local/opr_impl.cpp
+++ b/dnn/src/common/local/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/local/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/local_share/opr_impl.cpp b/dnn/src/common/local_share/opr_impl.cpp
index d4851e3f1d819d55130b751acfc61224ae0a3a67..8616ba78caa526f609586b6859c8232fd0d0469f 100644
--- a/dnn/src/common/local_share/opr_impl.cpp
+++ b/dnn/src/common/local_share/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/local_share/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/lrn.cpp b/dnn/src/common/lrn.cpp
index c8d9d286cde5ed0c851930e0f7783870dd5d0e5f..1745311a47595f6c7009d56cddbb92eea0e0082b 100644
--- a/dnn/src/common/lrn.cpp
+++ b/dnn/src/common/lrn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/lrn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/macro_helper.h b/dnn/src/common/macro_helper.h
index 5c356c79e2eee628d4cc8a315673c1a2d8d0e3b2..abd75181f8549cfd79acdb5a7a6b6c3705bf2835 100644
--- a/dnn/src/common/macro_helper.h
+++ b/dnn/src/common/macro_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/macro_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/macro_helper_epilogue.h b/dnn/src/common/macro_helper_epilogue.h
index df52d8d07e6192eea9a4061724b3f105c241709f..69aee23ff98a436493506293b0a83efd0ecf610a 100644
--- a/dnn/src/common/macro_helper_epilogue.h
+++ b/dnn/src/common/macro_helper_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/macro_helper_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/mask_conv.cpp b/dnn/src/common/mask_conv.cpp
index ee2f1ff8448ec280cfaa13ed9d51245d1466a536..289cee6be5499cec855ae730815651667d868b46 100644
--- a/dnn/src/common/mask_conv.cpp
+++ b/dnn/src/common/mask_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/mask_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/matrix_inverse.cpp b/dnn/src/common/matrix_inverse.cpp
index d90a25b2cd9ae7851e9c4a449096209c1e1a3e23..4d48b5bd179c6045dc1caab6f43316a77d4ecf88 100644
--- a/dnn/src/common/matrix_inverse.cpp
+++ b/dnn/src/common/matrix_inverse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/matrix_inverse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/matrix_mul.cpp b/dnn/src/common/matrix_mul.cpp
index c765e10ebda38016248d5fff60df34454075114d..1cd2a9eae20c58894286063359b4ac106f08060e 100644
--- a/dnn/src/common/matrix_mul.cpp
+++ b/dnn/src/common/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/max_tensor_diff.cpp b/dnn/src/common/max_tensor_diff.cpp
index 47e765fae90323707daba8b26d8a279d13937bdd..96a374cfb3c8f1d2b312d2d010feae634babc493 100644
--- a/dnn/src/common/max_tensor_diff.cpp
+++ b/dnn/src/common/max_tensor_diff.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/max_tensor_diff.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/common/computing_context.cpp b/dnn/src/common/megcore/common/computing_context.cpp
index b178291b1cb2cca7ba2f1fd81a4795f69d750496..f1d3a76b3897f1d6e93d468d23488e9487ef1f12 100644
--- a/dnn/src/common/megcore/common/computing_context.cpp
+++ b/dnn/src/common/megcore/common/computing_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/common/computing_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/common/computing_context.hpp b/dnn/src/common/megcore/common/computing_context.hpp
index cab1e52e2ce9fad0b7620c5b8e053cd46bcb73c0..62ffc36d8e0890d10ec5bdc0000f442795acd98b 100644
--- a/dnn/src/common/megcore/common/computing_context.hpp
+++ b/dnn/src/common/megcore/common/computing_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/common/computing_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/common/device_context.cpp b/dnn/src/common/megcore/common/device_context.cpp
index a77b0be772d52af32ba88011c174a964d8ac4d76..adb0c177234167ba19bf67f0156e62d6cee743b0 100644
--- a/dnn/src/common/megcore/common/device_context.cpp
+++ b/dnn/src/common/megcore/common/device_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/common/device_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/common/device_context.hpp b/dnn/src/common/megcore/common/device_context.hpp
index c12f59c31a9eb00d144b9f310729ae57f01b15da..f39b9a79f78ece3c0010a2b867e03741ba6dbfd0 100644
--- a/dnn/src/common/megcore/common/device_context.hpp
+++ b/dnn/src/common/megcore/common/device_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/common/device_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/cpu/api.cpp b/dnn/src/common/megcore/cpu/api.cpp
index 5cc92e45a69ab7913ebfa05b4585041dc0d682e6..cc814e33f3037072ef761563d45d8aa918ac5669 100644
--- a/dnn/src/common/megcore/cpu/api.cpp
+++ b/dnn/src/common/megcore/cpu/api.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/cpu/api.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/cpu/default_computing_context.cpp b/dnn/src/common/megcore/cpu/default_computing_context.cpp
index b49fc167e4711e7e731e5391b8f3ccabc7d156b4..65d35746e50eefcd2bccc32b39b556afd5a1d4eb 100644
--- a/dnn/src/common/megcore/cpu/default_computing_context.cpp
+++ b/dnn/src/common/megcore/cpu/default_computing_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/cpu/default_computing_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/cpu/default_computing_context.hpp b/dnn/src/common/megcore/cpu/default_computing_context.hpp
index 9a3e507e7eb3919a5173e44691cb5198b076b56d..7f2bc87f95163e165bf2af9fec4b8268040ef8aa 100644
--- a/dnn/src/common/megcore/cpu/default_computing_context.hpp
+++ b/dnn/src/common/megcore/cpu/default_computing_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/cpu/default_computing_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/cpu/default_device_context.cpp b/dnn/src/common/megcore/cpu/default_device_context.cpp
index b843849bddfe2206d9cb7de8fc074926931f48de..57d76ef7851bf99396f03010fb141d99fde8f798 100644
--- a/dnn/src/common/megcore/cpu/default_device_context.cpp
+++ b/dnn/src/common/megcore/cpu/default_device_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/cpu/default_device_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/cpu/default_device_context.hpp b/dnn/src/common/megcore/cpu/default_device_context.hpp
index e425ec335795d6e0506f7363eee45b1cf3b779e4..bae46f4716953fc708d74d73bbdd80144d11dfbf 100644
--- a/dnn/src/common/megcore/cpu/default_device_context.hpp
+++ b/dnn/src/common/megcore/cpu/default_device_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/cpu/default_device_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/public_api/computing.cpp b/dnn/src/common/megcore/public_api/computing.cpp
index 4ff00170ac3ffa53de2b4d1cabf5bde8f104ff4d..b00e9072f1ae8e8ec8691206d296e8464f0a10eb 100644
--- a/dnn/src/common/megcore/public_api/computing.cpp
+++ b/dnn/src/common/megcore/public_api/computing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/public_api/computing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/public_api/computing.hpp b/dnn/src/common/megcore/public_api/computing.hpp
index a264723c5be3058e846b5b1edcfc32f542e85bc9..a90ef66df6cdb8b483f9f511ab41af75c74046a1 100644
--- a/dnn/src/common/megcore/public_api/computing.hpp
+++ b/dnn/src/common/megcore/public_api/computing.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/public_api/computing.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/public_api/device.cpp b/dnn/src/common/megcore/public_api/device.cpp
index 7dbe0068527b4130ee7badd2b6b4f8ce02b92162..77b3744714c06309decfd6958d0fc90f4669f4d6 100644
--- a/dnn/src/common/megcore/public_api/device.cpp
+++ b/dnn/src/common/megcore/public_api/device.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/public_api/device.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/public_api/device.hpp b/dnn/src/common/megcore/public_api/device.hpp
index 61fb5a5aee3005601d7ba657b78fa91c932ef42d..400d4e6b88d1f55512665e3c1b1bb68a6b5b30dc 100644
--- a/dnn/src/common/megcore/public_api/device.hpp
+++ b/dnn/src/common/megcore/public_api/device.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/public_api/device.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/megcore/public_api/misc.cpp b/dnn/src/common/megcore/public_api/misc.cpp
index 50da099dc69a979781c8c37f908a7da5e5f3dea8..9c199cc8b082baf22a0c343ebcf3f36f317ddd2a 100644
--- a/dnn/src/common/megcore/public_api/misc.cpp
+++ b/dnn/src/common/megcore/public_api/misc.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/megcore/public_api/misc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/mesh_indexing.cpp b/dnn/src/common/mesh_indexing.cpp
index 6c1cd73e654b9e47c8c91ce2fea5c9873b2e0f91..614fc7e2474e0e30bffe1ba67cf0359410e5b8c3 100644
--- a/dnn/src/common/mesh_indexing.cpp
+++ b/dnn/src/common/mesh_indexing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/mesh_indexing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/metahelper.h b/dnn/src/common/metahelper.h
index 536d5046c0b7fa7002a58a38211a49edb2f95dce..aacdec9d11d4fe8a435e4c0d438b53a7662d8467 100644
--- a/dnn/src/common/metahelper.h
+++ b/dnn/src/common/metahelper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/metahelper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/nchw_nchwxx_valid.cpp b/dnn/src/common/nchw_nchwxx_valid.cpp
index 56113152e9b9a5efa0a15968800dc6e2dbf85178..0df3ec851e5b149efac4c4fd8e4d00c56d3c8087 100644
--- a/dnn/src/common/nchw_nchwxx_valid.cpp
+++ b/dnn/src/common/nchw_nchwxx_valid.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/nchw_nchwxx_valid.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/nchw_nchwxx_valid.h b/dnn/src/common/nchw_nchwxx_valid.h
index 7c4621bc7b1f13c01b07515763b1c72d3fd1fdb1..4402dc8712ca3c50b5c0167c67eff09848d2e79e 100644
--- a/dnn/src/common/nchw_nchwxx_valid.h
+++ b/dnn/src/common/nchw_nchwxx_valid.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/nchw_nchwxx_valid.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/opr_delegate.cpp b/dnn/src/common/opr_delegate.cpp
index 69578fe7472346274166ae0aafefc6aad6576768..140e01120cd4263873550985d052acf41293e004 100644
--- a/dnn/src/common/opr_delegate.cpp
+++ b/dnn/src/common/opr_delegate.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/opr_delegate.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/opr_delegate.h b/dnn/src/common/opr_delegate.h
index 93adb26faf285c0573ca42e7a121d901f703aaa5..0be9f4d4a2044931e6d9a9baf0943ae195a8f8cc 100644
--- a/dnn/src/common/opr_delegate.h
+++ b/dnn/src/common/opr_delegate.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/opr_delegate.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/param_pack.cpp b/dnn/src/common/param_pack.cpp
index 2f40d701f2603f8d089561353303edf2e360510c..407981ae9eed176ed0103e2e030d7276ab3beebc 100644
--- a/dnn/src/common/param_pack.cpp
+++ b/dnn/src/common/param_pack.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/param_pack.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/pooling.cpp b/dnn/src/common/pooling.cpp
index b875746bba7fcd1b3cc7c0402432946c0916cec3..c2cd953121fc8dd43f1e5655fddf0b44a097dbb4 100644
--- a/dnn/src/common/pooling.cpp
+++ b/dnn/src/common/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_decl.inl b/dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_decl.inl
index cd0743ea0fccb066f1ed11c10bbcfc7c442298f4..d50fa794583ef93c7fd2a0a260227621a197b5e2 100644
--- a/dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_decl.inl
+++ b/dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_decl.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_decl.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_def.inl b/dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_def.inl
index e608e16143c42b7cc7c3528e6c210d4d59bdc8e1..4ed1b09d4db2f4c9e01d6f1e4ca41e6f936c530f 100644
--- a/dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_def.inl
+++ b/dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_def.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/common/pooling/do_max_pooling_3x3_s2x2_float_def.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/postprocess.h b/dnn/src/common/postprocess.h
index 6438a4d6a7972b9d083476d22ed5efeb9d2ad71d..3e0ca75847ec10e81a9fe44370dc4ce7f04f5e0e 100644
--- a/dnn/src/common/postprocess.h
+++ b/dnn/src/common/postprocess.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/postprocess.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/postprocess_helper.h b/dnn/src/common/postprocess_helper.h
index 707250830dd0d8635a949eafdb6f34d62b030d96..3aef6be82254fcefef858d086e3424b75593ccff 100644
--- a/dnn/src/common/postprocess_helper.h
+++ b/dnn/src/common/postprocess_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/postprocess_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/powc.cpp b/dnn/src/common/powc.cpp
index a698da2a44357710d9c81dd83a446531004a1370..06f627cd85fbb6d9d490098e0df77f79b2334ff6 100644
--- a/dnn/src/common/powc.cpp
+++ b/dnn/src/common/powc.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/powc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/reduce.cpp b/dnn/src/common/reduce.cpp
index 9b5e6d5b243b59c35bbd00b831ad20e212afc3a3..f6311fd635593b6b8e168f0cc5f687f04337b1e6 100644
--- a/dnn/src/common/reduce.cpp
+++ b/dnn/src/common/reduce.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/reduce.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/reduce_helper.cpp b/dnn/src/common/reduce_helper.cpp
index 7d2618f6f872db9f4465c2b2b2579d7d562efec9..bfecda1e6a31b6c8905f0de2b2e50dc574b5acae 100644
--- a/dnn/src/common/reduce_helper.cpp
+++ b/dnn/src/common/reduce_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/reduce_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/reduce_helper.h b/dnn/src/common/reduce_helper.h
index 75f398bf11bf9c651c2bdb83798dc7ed6aa2acca..c7cd689027619cacb6b2a4f192205b18c18bff4d 100644
--- a/dnn/src/common/reduce_helper.h
+++ b/dnn/src/common/reduce_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/reduce_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/relayout.cpp b/dnn/src/common/relayout.cpp
index 2e2d8df781c3a139d4d22643158d8d033075d286..7e03eb2a18ef6f55de5935052835cb38dcecda86 100644
--- a/dnn/src/common/relayout.cpp
+++ b/dnn/src/common/relayout.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/relayout.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/relayout_format.cpp b/dnn/src/common/relayout_format.cpp
index e30ba58f50ac16be9b900997100bf4d773c62539..b7602d894e81cf38613168ce8b958335582ce641 100644
--- a/dnn/src/common/relayout_format.cpp
+++ b/dnn/src/common/relayout_format.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/relayout_format.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/relayout_helper.h b/dnn/src/common/relayout_helper.h
index f00b7bae6e2b4c2562c7b91953484628339c2fc4..7ff34924b9004d69fb6dc35de9073f097466c1b4 100644
--- a/dnn/src/common/relayout_helper.h
+++ b/dnn/src/common/relayout_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/relayout_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/remap.cpp b/dnn/src/common/remap.cpp
index 6cf3e57ccf1ece3a1c7b7107fc253f6dce93ac25..fdb0f70437d3b711f3a53f5181dd671e8ff6a044 100644
--- a/dnn/src/common/remap.cpp
+++ b/dnn/src/common/remap.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/remap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/resize.cpp b/dnn/src/common/resize.cpp
index 41d28896a1377be0634bcc307ccaa4471c7db629..18f20f2d35c204320939c6100f657c6cc1640fbe 100644
--- a/dnn/src/common/resize.cpp
+++ b/dnn/src/common/resize.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/resize.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/rng.cpp b/dnn/src/common/rng.cpp
index 83a0b2b1b37c649f95935b1a458d8ab14b39be8b..eba6a9d2038e25c890aff094a92d77f876ab2e3a 100644
--- a/dnn/src/common/rng.cpp
+++ b/dnn/src/common/rng.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/rng.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/roi_align.cpp b/dnn/src/common/roi_align.cpp
index ce62f2b03f07e65043193fdc6f0559c4b9d44c4b..3f0bbd49f1efc14ddb0993fc43083efe3e363250 100644
--- a/dnn/src/common/roi_align.cpp
+++ b/dnn/src/common/roi_align.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/roi_align.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/roi_align_helper.h b/dnn/src/common/roi_align_helper.h
index 00b6069757ce9f03d89ebae5b0c14e4f8b314e7c..200601e5a06b1a4f22d1b334779df22b57ed3923 100644
--- a/dnn/src/common/roi_align_helper.h
+++ b/dnn/src/common/roi_align_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/roi_align_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/roi_copy.cpp b/dnn/src/common/roi_copy.cpp
index 9f5eb25e39a42e21fbf76635ddfe64edc9c231d0..6cbcee9e3e95c65d3697a840fee3b294bde1c33e 100644
--- a/dnn/src/common/roi_copy.cpp
+++ b/dnn/src/common/roi_copy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/roi_copy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/roi_pooling.cpp b/dnn/src/common/roi_pooling.cpp
index 876d5349b5f6e5f911c376d1f8edb496e9a0e95c..f116824bd070ebc62a95d582c32868b9ae69549c 100644
--- a/dnn/src/common/roi_pooling.cpp
+++ b/dnn/src/common/roi_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/roi_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/roi_pooling_helper.h b/dnn/src/common/roi_pooling_helper.h
index 6fda05926c69490512cb8f0033e05bfde7f3cce1..967c6dd8a2c38637bbe3d67858640d23c841329e 100644
--- a/dnn/src/common/roi_pooling_helper.h
+++ b/dnn/src/common/roi_pooling_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/roi_pooling_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/rotate.cpp b/dnn/src/common/rotate.cpp
index 69db12e545011cc2f8f789f9ae8d202f63145b8d..025287424380040464f416797403db1e4bb2a212 100644
--- a/dnn/src/common/rotate.cpp
+++ b/dnn/src/common/rotate.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/rotate.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/rounding_converter.cuh b/dnn/src/common/rounding_converter.cuh
index ca17d14c00dcbbbbc506299dbd7445dcb4bb4675..0f3b61942123cd07be1d05a1678c9494ef066093 100644
--- a/dnn/src/common/rounding_converter.cuh
+++ b/dnn/src/common/rounding_converter.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/common/rounding_converter.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/separableConv.cpp b/dnn/src/common/separableConv.cpp
index a82a5828e27452024c38b9cb507c5def243dea48..313f4c59b6bc61925e78a7258b8925bab475da98 100644
--- a/dnn/src/common/separableConv.cpp
+++ b/dnn/src/common/separableConv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/separableConv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/separableFilter.cpp b/dnn/src/common/separableFilter.cpp
index d0c2946161bfc298f1a0287db7ce1d0dcae65ed1..1ca152c8a59ddfb010bb194d86c4dc619f257793 100644
--- a/dnn/src/common/separableFilter.cpp
+++ b/dnn/src/common/separableFilter.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/separableFilter.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/simd_macro/epilogue.h b/dnn/src/common/simd_macro/epilogue.h
index f6559b5c91189812727d64a6ef27733d17a8efbf..7a30f04596d4031927adbfacde2f113f4305ab06 100644
--- a/dnn/src/common/simd_macro/epilogue.h
+++ b/dnn/src/common/simd_macro/epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/simd_macro/epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/small_vector.cpp b/dnn/src/common/small_vector.cpp
index 67f564fc04b90b3b9f420b621c7a80d1bbf019c5..3377294c8d470db282e8544e657f191214344a2e 100644
--- a/dnn/src/common/small_vector.cpp
+++ b/dnn/src/common/small_vector.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/small_vector.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/svd.cpp b/dnn/src/common/svd.cpp
index 367374ec6e18c192f3d49b6c3b96450b2dc482b2..bc6f86dc4005dc1f18fb1dee5af34e1c281ca01a 100644
--- a/dnn/src/common/svd.cpp
+++ b/dnn/src/common/svd.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/svd.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/tensor_format.cpp b/dnn/src/common/tensor_format.cpp
index 71c8983851a70f91bb3c0553750133d287e63238..3661884daa8f9a23057e26587949f2f524c14b05 100644
--- a/dnn/src/common/tensor_format.cpp
+++ b/dnn/src/common/tensor_format.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/tensor_format.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/tensor_iter.cpp b/dnn/src/common/tensor_iter.cpp
index 46ccb57c2e70fb8c29d4a8c221fcb4c660f84306..0fa27db344b910a48231e74f37520a1f93d8f2c9 100644
--- a/dnn/src/common/tensor_iter.cpp
+++ b/dnn/src/common/tensor_iter.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/tensor_iter.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/tensor_remap.cpp b/dnn/src/common/tensor_remap.cpp
index eabbd6acb45916003b292eeb99340de18ba03f13..06cc6c6438b454585de640a4adfb891befb16423 100644
--- a/dnn/src/common/tensor_remap.cpp
+++ b/dnn/src/common/tensor_remap.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/tensor_remap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/tile_repeat.cpp b/dnn/src/common/tile_repeat.cpp
index 7eeafa267cc5d6c7487ddd04f3cbe83e76a6a1ad..120b3d915acebb9fb49d073fcf5c16c287ff2e1b 100644
--- a/dnn/src/common/tile_repeat.cpp
+++ b/dnn/src/common/tile_repeat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/tile_repeat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/tile_repeat_helper.cpp b/dnn/src/common/tile_repeat_helper.cpp
index 62c7d3667559d7f2e62143c2d8ae2237d575f3ec..27bca9fe7d51d22698528559f8cf3fbb99fce6ab 100644
--- a/dnn/src/common/tile_repeat_helper.cpp
+++ b/dnn/src/common/tile_repeat_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/tile_repeat_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/tile_repeat_helper.h b/dnn/src/common/tile_repeat_helper.h
index 834c86170110dc176113c987bce197448ec18eb6..1039695585d0e366fddaf4e80841d940db5008a3 100644
--- a/dnn/src/common/tile_repeat_helper.h
+++ b/dnn/src/common/tile_repeat_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/tile_repeat_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/topk.cpp b/dnn/src/common/topk.cpp
index 403638224406338ad8d9a7bf1f49ad5acb676c87..ecf0a7ae4e0255610251de2643d81f6ee5373d9f 100644
--- a/dnn/src/common/topk.cpp
+++ b/dnn/src/common/topk.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/topk.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/tqt.cpp b/dnn/src/common/tqt.cpp
index 44199df6c97239fe316cf5055ed8e4f8dbd6a75e..757bfa24ef5bdf942154a3f4397ee430c60c705b 100644
--- a/dnn/src/common/tqt.cpp
+++ b/dnn/src/common/tqt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/tqt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/transpose.cpp b/dnn/src/common/transpose.cpp
index dd25782b8826c61fc92648e44a10893e9ed79513..e9d5abc7800570cc449b893354131a3790cdcf3f 100644
--- a/dnn/src/common/transpose.cpp
+++ b/dnn/src/common/transpose.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/transpose.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/type_cvt.cpp b/dnn/src/common/type_cvt.cpp
index 5a9cf995391864e1fc7cc53c5bea6e4b041bbf11..b287063d36ca5d965d489cdbbfb18d186a77b442 100644
--- a/dnn/src/common/type_cvt.cpp
+++ b/dnn/src/common/type_cvt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/type_cvt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/unroll_macro.h b/dnn/src/common/unroll_macro.h
index 38fbd4657a0778a0ffb49cd7d695491640bc5832..2711827e38c19e323f57a2fb85a7ae0e2b68ff3e 100644
--- a/dnn/src/common/unroll_macro.h
+++ b/dnn/src/common/unroll_macro.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/unroll_macro.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/utils.cpp b/dnn/src/common/utils.cpp
index 2dd2ca703223b449af215e42114ee4dd24dd9136..00c48349d05e1c6c7acbad4d637836f043fba20d 100644
--- a/dnn/src/common/utils.cpp
+++ b/dnn/src/common/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/utils.cuh b/dnn/src/common/utils.cuh
index d4cee62a2e1d00886f48662d3a709982f2eea353..9408d2bf7301333c25e41d3ef276aa5ec4e5d5d1 100644
--- a/dnn/src/common/utils.cuh
+++ b/dnn/src/common/utils.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/common/utils.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/utils.h b/dnn/src/common/utils.h
index 7da91606148fb3701177941fc82f2a94b67992ae..5a6a7454b49a0eef8f2039cb6a16cb3bd5092745 100644
--- a/dnn/src/common/utils.h
+++ b/dnn/src/common/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/version.cpp b/dnn/src/common/version.cpp
index 5baea187cf5b4648af92f5085b97577a1d52c0da..c1fc2164ae644df425f3d5747b3f17128a89d45c 100644
--- a/dnn/src/common/version.cpp
+++ b/dnn/src/common/version.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/version.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/version_symbol.h b/dnn/src/common/version_symbol.h
index 2d6577b88fe6de1643dffc1e06ae06d652aa833b..714cfada0884ef8d5394453a65b61dd35fcc3284 100644
--- a/dnn/src/common/version_symbol.h
+++ b/dnn/src/common/version_symbol.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/version_symbol.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/warp_affine.cpp b/dnn/src/common/warp_affine.cpp
index 475bd87464258303ae67f18686f55aa927aac58a..6aa9b5bd1c9cc09d5a79f40a73984a8ec42105a1 100644
--- a/dnn/src/common/warp_affine.cpp
+++ b/dnn/src/common/warp_affine.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/warp_affine.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/warp_common.cpp b/dnn/src/common/warp_common.cpp
index 93ad111055d003b284e464722baf0425a3e67360..40ff6db1ea7463fd93a01bd805c143e8ce7f403e 100644
--- a/dnn/src/common/warp_common.cpp
+++ b/dnn/src/common/warp_common.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/warp_common.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/warp_common.h b/dnn/src/common/warp_common.h
index f381a0f1418bc0befce5d368ec545b83455c1b7f..989c5ff75ba7b606fb92b54ba642af0f7387678b 100644
--- a/dnn/src/common/warp_common.h
+++ b/dnn/src/common/warp_common.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/warp_perspective.cpp b/dnn/src/common/warp_perspective.cpp
index 5c96930f7bfcd37f2c8f7455bf8df2d51c18018b..9ec8cc636d474febe6cdfab8ce5b30a24b6269da 100644
--- a/dnn/src/common/warp_perspective.cpp
+++ b/dnn/src/common/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/warp_perspective_helper.cpp b/dnn/src/common/warp_perspective_helper.cpp
index 7ddb0be125c31fabca90a5cd3dbb5857bd322212..658ac2d6a1d401cd49f22fe8560b4b9e17fc3952 100644
--- a/dnn/src/common/warp_perspective_helper.cpp
+++ b/dnn/src/common/warp_perspective_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/warp_perspective_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/warp_perspective_helper.h b/dnn/src/common/warp_perspective_helper.h
index 70f22be7b740832f6f407d4ed46279797dc7174b..47678be7a66b24b792cbeda00bf0a97ca60201f8 100644
--- a/dnn/src/common/warp_perspective_helper.h
+++ b/dnn/src/common/warp_perspective_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/warp_perspective_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/winograd/winograd_generator.cpp b/dnn/src/common/winograd/winograd_generator.cpp
index b3c28afc62d181e185ca6fbfc4a3c0096c52f01b..a05f9b22973cc682b2e518e223c2d7a416070a13 100644
--- a/dnn/src/common/winograd/winograd_generator.cpp
+++ b/dnn/src/common/winograd/winograd_generator.cpp
@@ -19,7 +19,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/winograd/winograd_generator.h b/dnn/src/common/winograd/winograd_generator.h
index c70417ed5673e762ab640f27a0e6406061610cb0..f986d3c5cac269d77afddd352c325e0462c619bd 100644
--- a/dnn/src/common/winograd/winograd_generator.h
+++ b/dnn/src/common/winograd/winograd_generator.h
@@ -19,7 +19,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/winograd/winograd_helper.cpp b/dnn/src/common/winograd/winograd_helper.cpp
index 0e3cfa5b3e26cc421d5ed58e3b7ffa1f090fbf02..beef9151e8819736b58cee8802bdec27aee34f5a 100644
--- a/dnn/src/common/winograd/winograd_helper.cpp
+++ b/dnn/src/common/winograd/winograd_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/common/winograd/winograd_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/common/winograd/winograd_helper.h b/dnn/src/common/winograd/winograd_helper.h
index 017b70ab73ad529c69e5c5bc20f343e297f364fb..8e11101711332b1bb66d151bc64ff1cc3b934ee1 100644
--- a/dnn/src/common/winograd/winograd_helper.h
+++ b/dnn/src/common/winograd/winograd_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/common/winograd/winograd_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/adaptive_pooling/opr_impl.cpp b/dnn/src/cuda/adaptive_pooling/opr_impl.cpp
index c9ece2b4b12077ab8193cb9b4feeb9f1857fbc0a..1afc7e8341f29487322f6d194ef1be4d01afef69 100644
--- a/dnn/src/cuda/adaptive_pooling/opr_impl.cpp
+++ b/dnn/src/cuda/adaptive_pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/adaptive_pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/adaptive_pooling/opr_impl.h b/dnn/src/cuda/adaptive_pooling/opr_impl.h
index 5df0538bb9ae9f70c417b75b60c56c17062f1bd3..e68b1236df9289414f23d302d518703941097c6e 100644
--- a/dnn/src/cuda/adaptive_pooling/opr_impl.h
+++ b/dnn/src/cuda/adaptive_pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/adaptive_pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/add_update/kern.cu b/dnn/src/cuda/add_update/kern.cu
index f4f32b8cd69db32b672e8b8338471d0f63a19a95..a8183285e5713d273b104b3dd5d1c46401acd063 100644
--- a/dnn/src/cuda/add_update/kern.cu
+++ b/dnn/src/cuda/add_update/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/add_update/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/add_update/kern.cuh b/dnn/src/cuda/add_update/kern.cuh
index 49bac12b145fd6a9d80ddf004614bf37a7b75cda..44ee1a715d6edcc4ff07faf37104e558fde38464 100644
--- a/dnn/src/cuda/add_update/kern.cuh
+++ b/dnn/src/cuda/add_update/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/add_update/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/add_update/opr_impl.cpp b/dnn/src/cuda/add_update/opr_impl.cpp
index f3bddbcfb518ee3f8bb8583f749564912f89be0d..17ea51d194dfc83ecc66417cddf61d5ead4f6d61 100644
--- a/dnn/src/cuda/add_update/opr_impl.cpp
+++ b/dnn/src/cuda/add_update/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/add_update/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/add_update/opr_impl.h b/dnn/src/cuda/add_update/opr_impl.h
index 19d737c1efad5e6c15ac39132eb1383e7f45c6d6..a48a4cb66353f79aa87b99fcac0306b4393ebefe 100644
--- a/dnn/src/cuda/add_update/opr_impl.h
+++ b/dnn/src/cuda/add_update/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/add_update/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argmxx/argmxx.cu b/dnn/src/cuda/argmxx/argmxx.cu
index 406678fb2279d6c54a59803e8b402bbb6bdec67e..112ae525896035a3a84fc1f0b9fbfbcaca762da8 100644
--- a/dnn/src/cuda/argmxx/argmxx.cu
+++ b/dnn/src/cuda/argmxx/argmxx.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argmxx/argmxx.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argmxx/argmxx.cuh b/dnn/src/cuda/argmxx/argmxx.cuh
index b1787bcfd0cb265e7fa6401f712edf71286db19c..66a5a17917b58993c9224fbea7dca31bceb3a791 100644
--- a/dnn/src/cuda/argmxx/argmxx.cuh
+++ b/dnn/src/cuda/argmxx/argmxx.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argmxx/argmxx.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argmxx/opr_impl.cpp b/dnn/src/cuda/argmxx/opr_impl.cpp
index 203e23cf3156e0d94e036e7e3578598e27476c39..01d6795c62eb226d283fb09e4462d57551c47e7a 100644
--- a/dnn/src/cuda/argmxx/opr_impl.cpp
+++ b/dnn/src/cuda/argmxx/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argmxx/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argmxx/opr_impl.h b/dnn/src/cuda/argmxx/opr_impl.h
index 167e740dadf2483369ae75ea87756f6ae84eef4c..b97c5abad335d6de76ff8417accb3e54b38bc754 100644
--- a/dnn/src/cuda/argmxx/opr_impl.h
+++ b/dnn/src/cuda/argmxx/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argmxx/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argsort/argsort.cu b/dnn/src/cuda/argsort/argsort.cu
index 9e46c1699b6aee9efd8c9907778cd43dd4d93e43..631ad160c09b4ed35c1f4bab72894c6e2ef1b5b9 100644
--- a/dnn/src/cuda/argsort/argsort.cu
+++ b/dnn/src/cuda/argsort/argsort.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argsort/argsort.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argsort/argsort.cuh b/dnn/src/cuda/argsort/argsort.cuh
index d5cc6e1248a7912728ad11ac2bb2b2fb7e7d4d92..8814b88ee7cacb5d89c08c5e05d1f1a903c64e0a 100644
--- a/dnn/src/cuda/argsort/argsort.cuh
+++ b/dnn/src/cuda/argsort/argsort.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argsort/argsort.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argsort/backward.cu b/dnn/src/cuda/argsort/backward.cu
index b8b3d3fa4fba9c9e5535706fe686e3ff700d3b57..66cda244a7105c4f80ee84d75afda6a684b659a5 100644
--- a/dnn/src/cuda/argsort/backward.cu
+++ b/dnn/src/cuda/argsort/backward.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argsort/backward.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argsort/backward.cuh b/dnn/src/cuda/argsort/backward.cuh
index c42db6b6242c102a9e95d1b304e19592417c76c2..3b4daa0a93aff95b48135e6bab805b3ffbc71325 100644
--- a/dnn/src/cuda/argsort/backward.cuh
+++ b/dnn/src/cuda/argsort/backward.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argsort/backward.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argsort/bitonic_sort.cu b/dnn/src/cuda/argsort/bitonic_sort.cu
index 43dd2a51888ed8baee9882f57cc78462d04bdd67..598ad02d4842f6c41baf49c11b095af04abc0b9c 100644
--- a/dnn/src/cuda/argsort/bitonic_sort.cu
+++ b/dnn/src/cuda/argsort/bitonic_sort.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argsort/bitonic_sort.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argsort/bitonic_sort.cuh b/dnn/src/cuda/argsort/bitonic_sort.cuh
index bc85bd1f9ba7bdaaba08835711463e74593cb809..9f5f31710c4a80a30d1122c7802dd25d8eaffcb3 100644
--- a/dnn/src/cuda/argsort/bitonic_sort.cuh
+++ b/dnn/src/cuda/argsort/bitonic_sort.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argsort/bitonic_sort.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argsort/opr_impl.cpp b/dnn/src/cuda/argsort/opr_impl.cpp
index 5a56db21ab21f3bc35c02ec0c5ea5295eae7bf9a..b18e5a4aa0246e4c40be503db37ee4de6d47df64 100644
--- a/dnn/src/cuda/argsort/opr_impl.cpp
+++ b/dnn/src/cuda/argsort/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argsort/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/argsort/opr_impl.h b/dnn/src/cuda/argsort/opr_impl.h
index fbd58e5a5a7233c28a46d4d3373307288d29efcd..82d5a41f4bdd79bab9758b53f6044d8c5111c583 100644
--- a/dnn/src/cuda/argsort/opr_impl.h
+++ b/dnn/src/cuda/argsort/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/argsort/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/algo.cpp b/dnn/src/cuda/batch_conv_bias/algo.cpp
index c829278bf1864ea6ab5cd28230f2b358bb1267c7..de2f83a8a457d01d4aa8c333178a69509d136434 100644
--- a/dnn/src/cuda/batch_conv_bias/algo.cpp
+++ b/dnn/src/cuda/batch_conv_bias/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/algo.h b/dnn/src/cuda/batch_conv_bias/algo.h
index 1dade31956d3d6450c8d8e7f5d84726b41a317bb..f846d4629bf3e14b8cb235c2225850e8e2aba2e0 100644
--- a/dnn/src/cuda/batch_conv_bias/algo.h
+++ b/dnn/src/cuda/batch_conv_bias/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/batch_conv_bias.cuh b/dnn/src/cuda/batch_conv_bias/batch_conv_bias.cuh
index d2c3b5da3f3f9f9faede8c7c6f834b4936fe6e69..c434704f3396148e32d6b6b87c874366aa9b76ef 100644
--- a/dnn/src/cuda/batch_conv_bias/batch_conv_bias.cuh
+++ b/dnn/src/cuda/batch_conv_bias/batch_conv_bias.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/batch_conv_bias.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/gemm_int8_nchw4_dp4a.cpp b/dnn/src/cuda/batch_conv_bias/gemm_int8_nchw4_dp4a.cpp
index 11b8cb2c14b38c754d25886b787acd6e2e7c2f28..0f0ab8189d37a8e215825f27da4eaad6245eeb4f 100644
--- a/dnn/src/cuda/batch_conv_bias/gemm_int8_nchw4_dp4a.cpp
+++ b/dnn/src/cuda/batch_conv_bias/gemm_int8_nchw4_dp4a.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/gemm_int8_nchw4_dp4a.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/helper.cu b/dnn/src/cuda/batch_conv_bias/helper.cu
index 12890318ce87ad095a979e7523fe1f351231bcdf..849fe1e1c6e5ec6d1570aaa01d90650e13d52cbe 100644
--- a/dnn/src/cuda/batch_conv_bias/helper.cu
+++ b/dnn/src/cuda/batch_conv_bias/helper.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/helper.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/helper.cuh b/dnn/src/cuda/batch_conv_bias/helper.cuh
index 2b245eb249368c9cda0481432c46a02c95296d60..886a87582e5e47a99b66a8c9663d2453b256c23c 100644
--- a/dnn/src/cuda/batch_conv_bias/helper.cuh
+++ b/dnn/src/cuda/batch_conv_bias/helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp b/dnn/src/cuda/batch_conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp
index 3daa220d454d91d2f27b3e5c4075e449d174758d..6e5c8b3e4b7c8fc4953c5b219e87d02d222569c1 100644
--- a/dnn/src/cuda/batch_conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp
+++ b/dnn/src/cuda/batch_conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4.cuinl b/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4.cuinl
index caae4cdbd9f3041f63533605c7c7ba6ecf037b54..0851a1344121952d2523111a85f7b9578955f3d4 100644
--- a/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4.cuinl
+++ b/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4_ldg_128.cuinl b/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4_ldg_128.cuinl
index 91b668a0bda82ae7d0d767491e7b17fe88ce0198..ca73ce936a3261a9b60cf190d769bd57f201f4f0 100644
--- a/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4_ldg_128.cuinl
+++ b/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4_ldg_128.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_gemm_ncdiv4hw4_ldg_128.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_implicit_gemm_precomp_ncdiv4hw4.cuinl b/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_implicit_gemm_precomp_ncdiv4hw4.cuinl
index 02c97f1dbc2430516ca1f3cee16f1441b3c023c8..f3caa756e08ebabc4ad0bc1c04e3f10c00060649 100644
--- a/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_implicit_gemm_precomp_ncdiv4hw4.cuinl
+++ b/dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_implicit_gemm_precomp_ncdiv4hw4.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/int8/batch_conv_bias_int8_implicit_gemm_precomp_ncdiv4hw4.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/opr_impl.cpp b/dnn/src/cuda/batch_conv_bias/opr_impl.cpp
index dedc52b92a74a8fee4f13838a7e55a8f2164b3d6..7a3ccc7e64f9ab4d1897e0648ad0dd9e2de92452 100644
--- a/dnn/src/cuda/batch_conv_bias/opr_impl.cpp
+++ b/dnn/src/cuda/batch_conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_conv_bias/opr_impl.h b/dnn/src/cuda/batch_conv_bias/opr_impl.h
index 276de27859860b24e2aa5c6dde1a07e8a30d487b..3ddc0a1f563ecfa039c6f9b44a88bf9a9a4f0eb3 100644
--- a/dnn/src/cuda/batch_conv_bias/opr_impl.h
+++ b/dnn/src/cuda/batch_conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_normalization/opr_impl.cpp b/dnn/src/cuda/batch_normalization/opr_impl.cpp
index faa054ae04b763609c944847d36ec78b6610e2fd..fff77f263637a9c74a0d6199bd839a9024bcc9a5 100644
--- a/dnn/src/cuda/batch_normalization/opr_impl.cpp
+++ b/dnn/src/cuda/batch_normalization/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_normalization/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batch_normalization/opr_impl.h b/dnn/src/cuda/batch_normalization/opr_impl.h
index fc6e37aca841baf51abec0cdf412ff07c5c731fb..c5055623e7caff24379c77eb1d86cc2cf00d32e8 100644
--- a/dnn/src/cuda/batch_normalization/opr_impl.h
+++ b/dnn/src/cuda/batch_normalization/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batch_normalization/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/algo.cpp b/dnn/src/cuda/batched_matrix_mul/algo.cpp
index 01b7001d6004c40434e2129ad0e8bf9330d6338a..bbe562bda3473d555108a20111622f4b7aed6cd5 100644
--- a/dnn/src/cuda/batched_matrix_mul/algo.cpp
+++ b/dnn/src/cuda/batched_matrix_mul/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/algo.h b/dnn/src/cuda/batched_matrix_mul/algo.h
index 1329a546a8a0a550dced236e1a25dd7d4398c604..8fd34fdf01c5bba2c734c6332148793996e29bc2 100644
--- a/dnn/src/cuda/batched_matrix_mul/algo.h
+++ b/dnn/src/cuda/batched_matrix_mul/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/brute_force.cpp b/dnn/src/cuda/batched_matrix_mul/brute_force.cpp
index 3c12ff73cc0161ca11db634e4f4a7257f6cf7c92..e8c3891504119bac1ca84353a266450066aab68a 100644
--- a/dnn/src/cuda/batched_matrix_mul/brute_force.cpp
+++ b/dnn/src/cuda/batched_matrix_mul/brute_force.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/brute_force.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/cublas.cpp b/dnn/src/cuda/batched_matrix_mul/cublas.cpp
index 84836e0bed1b1a10ea68e6cf45e54bf0e20ab1f6..81db23721df843456b5abc0b68b5b21340bd8c86 100644
--- a/dnn/src/cuda/batched_matrix_mul/cublas.cpp
+++ b/dnn/src/cuda/batched_matrix_mul/cublas.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/cublas.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/cublas_lt.cpp b/dnn/src/cuda/batched_matrix_mul/cublas_lt.cpp
index 9d3f9620f65877cb05f12644d15822a15d83f735..3fa9f548e99569b34685a95c979722cf882c2412 100644
--- a/dnn/src/cuda/batched_matrix_mul/cublas_lt.cpp
+++ b/dnn/src/cuda/batched_matrix_mul/cublas_lt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/cublas_lt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/helper.cu b/dnn/src/cuda/batched_matrix_mul/helper.cu
index 959a78468b8591337426b9bf41d9ae7a92e5fe32..3d5e385cf6d2a15d0d6756ce18d225d6f0aef034 100644
--- a/dnn/src/cuda/batched_matrix_mul/helper.cu
+++ b/dnn/src/cuda/batched_matrix_mul/helper.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/helper.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/helper.cuh b/dnn/src/cuda/batched_matrix_mul/helper.cuh
index a78377703767d0623396db523684f810c3079ca6..ea5f1e085b706f96bc3960c54035641734c22967 100644
--- a/dnn/src/cuda/batched_matrix_mul/helper.cuh
+++ b/dnn/src/cuda/batched_matrix_mul/helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/int8x8x32.cpp b/dnn/src/cuda/batched_matrix_mul/int8x8x32.cpp
index 5d4662356fc8d2c3c0c7896b7f5c29a68fc5527f..c9b57e7aded624dff40e4382623da03336b29fd5 100644
--- a/dnn/src/cuda/batched_matrix_mul/int8x8x32.cpp
+++ b/dnn/src/cuda/batched_matrix_mul/int8x8x32.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/int8x8x32.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/int8x8x32.cu b/dnn/src/cuda/batched_matrix_mul/int8x8x32.cu
index ea6e80fc1007c067d41cd53e680e59bca3df578e..375928717a66a5b8910505d4cfadf18c479be262 100644
--- a/dnn/src/cuda/batched_matrix_mul/int8x8x32.cu
+++ b/dnn/src/cuda/batched_matrix_mul/int8x8x32.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/int8x8x32.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/int8x8x32.cuh b/dnn/src/cuda/batched_matrix_mul/int8x8x32.cuh
index 945d0a781b420e7f3f83380142d69ad0535e2260..8db89bfe22abc04d77e0db4fa5a9adf5e1ea0198 100644
--- a/dnn/src/cuda/batched_matrix_mul/int8x8x32.cuh
+++ b/dnn/src/cuda/batched_matrix_mul/int8x8x32.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/int8x8x32.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/opr_impl.cpp b/dnn/src/cuda/batched_matrix_mul/opr_impl.cpp
index 37d7dca7aef431855e660cac3dcf75422d8dd738..2f309c3bb339a6b68114412f628c8351743fc066 100644
--- a/dnn/src/cuda/batched_matrix_mul/opr_impl.cpp
+++ b/dnn/src/cuda/batched_matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/batched_matrix_mul/opr_impl.h b/dnn/src/cuda/batched_matrix_mul/opr_impl.h
index eafd0fc96616f38f189b94df8d0627f1b70b740d..62ab45007f26c3439d5710408eed003581644595 100644
--- a/dnn/src/cuda/batched_matrix_mul/opr_impl.h
+++ b/dnn/src/cuda/batched_matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/batched_matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/checksum/kern.cu b/dnn/src/cuda/checksum/kern.cu
index e8c04bb0b731b375ee824f248e5c6ebea60c9d8e..ca622a97cc1e7c2ff77e8f1fcc644040a5326ccc 100644
--- a/dnn/src/cuda/checksum/kern.cu
+++ b/dnn/src/cuda/checksum/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/checksum/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/checksum/kern.cuh b/dnn/src/cuda/checksum/kern.cuh
index 4f6bb964cded3b439bcda002a372607e91debbf4..8000adcadb4f99e2120e0790b66780a97793a74e 100644
--- a/dnn/src/cuda/checksum/kern.cuh
+++ b/dnn/src/cuda/checksum/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/checksum/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/checksum/opr_impl.cpp b/dnn/src/cuda/checksum/opr_impl.cpp
index 25daea312706884704b0e658bf520fb0796541e5..db1042c9fd370361dcd1e8568cf7d29237954ffe 100644
--- a/dnn/src/cuda/checksum/opr_impl.cpp
+++ b/dnn/src/cuda/checksum/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/checksum/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/checksum/opr_impl.h b/dnn/src/cuda/checksum/opr_impl.h
index d5e5ef5e8a09188302644e98ef55579c08dec7df..293e2406c0a2dd2e35f8a95c23a950720fa669a9 100644
--- a/dnn/src/cuda/checksum/opr_impl.h
+++ b/dnn/src/cuda/checksum/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/checksum/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/concat/concat.cu b/dnn/src/cuda/concat/concat.cu
index 40043ecac6e000204cabb40b70a1483dc8c10f74..d2150f2f652898ebf7cead554f7c3e3956bf21d2 100644
--- a/dnn/src/cuda/concat/concat.cu
+++ b/dnn/src/cuda/concat/concat.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/concat/concat.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/concat/concat.cuh b/dnn/src/cuda/concat/concat.cuh
index c0ce983037056e54d4511b82b741f34f7f4abd07..a3d555c481f12541611c581e8f4d967a133e8ff8 100644
--- a/dnn/src/cuda/concat/concat.cuh
+++ b/dnn/src/cuda/concat/concat.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/concat/concat.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/concat/opr_impl.cpp b/dnn/src/cuda/concat/opr_impl.cpp
index 188024b31bb800a712dccae9b3a574d9cc23023d..776ac7e63f32f2417a0de5dca4003c5376d57e78 100644
--- a/dnn/src/cuda/concat/opr_impl.cpp
+++ b/dnn/src/cuda/concat/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/concat/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/concat/opr_impl.h b/dnn/src/cuda/concat/opr_impl.h
index 3625c51ea617a2eea37fbb518a1825a0eefda4c1..40ef491d6357e484aa1b12b1c304ed29659d03ca 100644
--- a/dnn/src/cuda/concat/opr_impl.h
+++ b/dnn/src/cuda/concat/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/concat/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cond_take/kern.cu b/dnn/src/cuda/cond_take/kern.cu
index 159e334fa21f3fba6ec7adf21009c69cf31b4a23..f099f1e414a291062cb45a017bbf06a2d60080de 100644
--- a/dnn/src/cuda/cond_take/kern.cu
+++ b/dnn/src/cuda/cond_take/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cond_take/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cond_take/kern.cuh b/dnn/src/cuda/cond_take/kern.cuh
index 3cbc251b454bd9e4780659f1e47fcbe127a54465..4fbcc00a4ade2faf2eac6898199df5119d834b75 100644
--- a/dnn/src/cuda/cond_take/kern.cuh
+++ b/dnn/src/cuda/cond_take/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cond_take/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cond_take/kern.inl b/dnn/src/cuda/cond_take/kern.inl
index 75f55de8aad869aba24da89546bdd15cb75e947e..03d324c74464ac8f992fd61804db1b1c8f24b8a6 100644
--- a/dnn/src/cuda/cond_take/kern.inl
+++ b/dnn/src/cuda/cond_take/kern.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cond_take/kern.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cond_take/opr_impl.cpp b/dnn/src/cuda/cond_take/opr_impl.cpp
index cb0bf502e2399c8b764e158b8252a53eba7c2d69..81c23da18e03b8d976ba1bbd2b2d74e5714cd7ba 100644
--- a/dnn/src/cuda/cond_take/opr_impl.cpp
+++ b/dnn/src/cuda/cond_take/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cond_take/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cond_take/opr_impl.h b/dnn/src/cuda/cond_take/opr_impl.h
index 1dcdad203f068017e54c4065666133b339b46719..9f5c077ebbff9e22344a018a4eba9896a8e445d5 100644
--- a/dnn/src/cuda/cond_take/opr_impl.h
+++ b/dnn/src/cuda/cond_take/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cond_take/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/1x1.cpp b/dnn/src/cuda/conv_bias/1x1.cpp
index 0dab0071a82eb572257a7994e6798e866e1caae0..3b255edf230e04b58775c2a4bad024a7d9ec939f 100644
--- a/dnn/src/cuda/conv_bias/1x1.cpp
+++ b/dnn/src/cuda/conv_bias/1x1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/1x1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/algo.cpp b/dnn/src/cuda/conv_bias/algo.cpp
index 0d77393062b4fd71f791c105b4a96364c539882d..b3f6ae1847f972c3accb0d81436ac40ab5056551 100644
--- a/dnn/src/cuda/conv_bias/algo.cpp
+++ b/dnn/src/cuda/conv_bias/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/algo.h b/dnn/src/cuda/conv_bias/algo.h
index 95580231d88530507bee4c76e4d9de73601cd8f4..88cd1cac5230d3474ae09cf59d836b1fac971a67 100644
--- a/dnn/src/cuda/conv_bias/algo.h
+++ b/dnn/src/cuda/conv_bias/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/batched_matmul.cpp b/dnn/src/cuda/conv_bias/batched_matmul.cpp
index 1b72a80bddcdf7227db3c04a66f0ef6afe91f2e4..cc5da62596e5f1696dbbfb5b6cf041f7e00b6ecd 100644
--- a/dnn/src/cuda/conv_bias/batched_matmul.cpp
+++ b/dnn/src/cuda/conv_bias/batched_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/batched_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/bfloat16.cpp b/dnn/src/cuda/conv_bias/bfloat16.cpp
index 68f936598e3ffae98fcfcefe79be2bcb41ef7b35..d9387a85ada67117bed48e9a9d6cfdc286504f98 100644
--- a/dnn/src/cuda/conv_bias/bfloat16.cpp
+++ b/dnn/src/cuda/conv_bias/bfloat16.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/bfloat16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise.cpp b/dnn/src/cuda/conv_bias/chanwise.cpp
index c02cae5da6812787c6aefcdb732be80735995871..c4b946aeea3d7a5f7daee4bb86cef568dd5aa180 100644
--- a/dnn/src/cuda/conv_bias/chanwise.cpp
+++ b/dnn/src/cuda/conv_bias/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise/fwd.cu b/dnn/src/cuda/conv_bias/chanwise/fwd.cu
index 477857bbbb1807944c18ddff01eca51895e3fbd7..0f46bf2a7497d4e78125e6e0dd655cf561ab7415 100644
--- a/dnn/src/cuda/conv_bias/chanwise/fwd.cu
+++ b/dnn/src/cuda/conv_bias/chanwise/fwd.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise/fwd.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise/fwd_8x8x32.cu b/dnn/src/cuda/conv_bias/chanwise/fwd_8x8x32.cu
index 3dbf9a52e6a40c3f6ffd14fc682149ee799289cd..15b2a47138c29f6ce4c3b537f20b0b49d0eca804 100644
--- a/dnn/src/cuda/conv_bias/chanwise/fwd_8x8x32.cu
+++ b/dnn/src/cuda/conv_bias/chanwise/fwd_8x8x32.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise/fwd_8x8x32.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise/fwd_small.cu b/dnn/src/cuda/conv_bias/chanwise/fwd_small.cu
index b2afe2a5b092b7b0a469ca4647cd6bfdf57d83e7..f0b6616af36823c2ee93b148af88cccaec9b97c8 100644
--- a/dnn/src/cuda/conv_bias/chanwise/fwd_small.cu
+++ b/dnn/src/cuda/conv_bias/chanwise/fwd_small.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise/fwd_small.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise/kern.cuh b/dnn/src/cuda/conv_bias/chanwise/kern.cuh
index b8f878b4da00c7faf82091affa5bd46333ae1ba7..256a9e73335ae095339a697260d3a1643d3048bb 100644
--- a/dnn/src/cuda/conv_bias/chanwise/kern.cuh
+++ b/dnn/src/cuda/conv_bias/chanwise/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise/kern_helper.cuh b/dnn/src/cuda/conv_bias/chanwise/kern_helper.cuh
index 3d44e33a2af446e5416903fffcb30bd21f85d8ba..53765e76ceb6dee433438d8d395145415afd392a 100644
--- a/dnn/src/cuda/conv_bias/chanwise/kern_helper.cuh
+++ b/dnn/src/cuda/conv_bias/chanwise/kern_helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise/kern_helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise/launch_config.cpp b/dnn/src/cuda/conv_bias/chanwise/launch_config.cpp
index cacf081afc7d9b2a9a34058aeaa033c5fe315543..164a85f2ad3665cb064974b286eb6ff54a93cb64 100644
--- a/dnn/src/cuda/conv_bias/chanwise/launch_config.cpp
+++ b/dnn/src/cuda/conv_bias/chanwise/launch_config.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise/launch_config.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise/launch_config.cuh b/dnn/src/cuda/conv_bias/chanwise/launch_config.cuh
index dfdf494eb4585da6e46797ca855d357e20ead3d5..d50008535d51d691f75700dbe0ff49862bbe88e6 100644
--- a/dnn/src/cuda/conv_bias/chanwise/launch_config.cuh
+++ b/dnn/src/cuda/conv_bias/chanwise/launch_config.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise/launch_config.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise_8x8x32.cpp b/dnn/src/cuda/conv_bias/chanwise_8x8x32.cpp
index 4ed02ff1bbadcf582154b18eb75ac57b355f41e1..1fa875b02f1df1baba6d65963897de0e094713b8 100644
--- a/dnn/src/cuda/conv_bias/chanwise_8x8x32.cpp
+++ b/dnn/src/cuda/conv_bias/chanwise_8x8x32.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise_8x8x32.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/chanwise_small.cpp b/dnn/src/cuda/conv_bias/chanwise_small.cpp
index 9aed9f0346172d7b0d394c217062c767a8ecdc17..afe6adbbe07162864388ab381fe591d4d78fe610 100644
--- a/dnn/src/cuda/conv_bias/chanwise_small.cpp
+++ b/dnn/src/cuda/conv_bias/chanwise_small.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/chanwise_small.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/conv_bias_int8.cuh b/dnn/src/cuda/conv_bias/conv_bias_int8.cuh
index ea4bb8bd037fb75d0b69df91565d7c7fe57acdc3..62968ea4a983022d5dbf771dff1391006d8e3b77 100644
--- a/dnn/src/cuda/conv_bias/conv_bias_int8.cuh
+++ b/dnn/src/cuda/conv_bias/conv_bias_int8.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/conv_bias_int8.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/cudnn_conv.cpp b/dnn/src/cuda/conv_bias/cudnn_conv.cpp
index 3e2f1388155252014de22b83f577774a70c8f8b5..64a164032ee2df168d27adc356f2a0425f167c08 100644
--- a/dnn/src/cuda/conv_bias/cudnn_conv.cpp
+++ b/dnn/src/cuda/conv_bias/cudnn_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/cudnn_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/cudnn_conv_bias_activation.cpp b/dnn/src/cuda/conv_bias/cudnn_conv_bias_activation.cpp
index a0980c1eb9fe26a2f2b818f21e254064a1d00cdf..7e75182cd2ca17d48ef61dc8fc7c6f25714a493e 100644
--- a/dnn/src/cuda/conv_bias/cudnn_conv_bias_activation.cpp
+++ b/dnn/src/cuda/conv_bias/cudnn_conv_bias_activation.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/cudnn_conv_bias_activation.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cu b/dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cu
index e9e056e2ce4c9ec511f4e599fa60aed5424d38f5..46a65af564233e246b1f551ed03c2a118ef0a034 100644
--- a/dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cu
+++ b/dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cuh b/dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cuh
index 85fdd29e6ea09d262ff62f771f745b153939bc79..71c158568f745c7e2f91aad717e5e2dbd0b361e9 100644
--- a/dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cuh
+++ b/dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/cutlass_convolution_wrapper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/group_conv.cpp b/dnn/src/cuda/conv_bias/group_conv.cpp
index 4063f049fd8c2ae2b2e9c2c7d49983923faa081b..ee0df4476d6dabffc7803513a2c720d57dc771cf 100644
--- a/dnn/src/cuda/conv_bias/group_conv.cpp
+++ b/dnn/src/cuda/conv_bias/group_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/group_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/helper.cpp b/dnn/src/cuda/conv_bias/helper.cpp
index 7a4629a4c2998d5adca87db5375018c81d2b6ce7..44cf4e36648a3426cafdc30b858fbe6e97228cb7 100644
--- a/dnn/src/cuda/conv_bias/helper.cpp
+++ b/dnn/src/cuda/conv_bias/helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/helper.h b/dnn/src/cuda/conv_bias/helper.h
index c86ff5f6e795adefc2922f8e42a8a60e6caf2923..dae22853a7452e30f36287235c17bf7f493adce6 100644
--- a/dnn/src/cuda/conv_bias/helper.h
+++ b/dnn/src/cuda/conv_bias/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_dp4a.cpp b/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_dp4a.cpp
index 1506ff6e891e45aaac768fc98c91a52da1e3453f..d7b4dff13c20777767704416320b1011e2436b75 100644
--- a/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_dp4a.cpp
+++ b/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_dp4a.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_dp4a.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma.cpp b/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma.cpp
index cdfc7e5d2c184569354930184d54d4cc4c36bc5d..de206a83537216e3b7856edfe028756a48cbfc55 100644
--- a/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma.cpp
+++ b/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_reorder_filter.cpp b/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_reorder_filter.cpp
index 3cc00de071199ad72356b2a9c1745569b0f5f71d..0671d2a319f04f79cde363f7c0b916c76e56c080 100644
--- a/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_reorder_filter.cpp
+++ b/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_reorder_filter.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_reorder_filter.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_unroll_width.cpp b/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_unroll_width.cpp
index 93fd5cd53b090d03c0c5aebc7985034d25fc7347..df732e906fd674d56ef65e80e0efddb07f69ec98 100644
--- a/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_unroll_width.cpp
+++ b/dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_unroll_width.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/implicit_gemm_int8_chwn4_imma_unroll_width.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw32_imma.cpp b/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw32_imma.cpp
index b02e9027a1d42341acd565d9a5348690406e259a..5f1ef4759fc0e6fa8051375c00869cf90f65bbbc 100644
--- a/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw32_imma.cpp
+++ b/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw32_imma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw32_imma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp b/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp
index 58c6314440de978a4145d603d3f56a703dfe1065..76cec7d2040e80c5dae5361931c979f549b8ff16 100644
--- a/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp
+++ b/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_dp4a.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_imma.cpp b/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_imma.cpp
index 4fa50b39961d153050801a557858101cb1b04bec..b268ea3d733c71000cedb28c7ec8ad32515352dc 100644
--- a/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_imma.cpp
+++ b/dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_imma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/implicit_gemm_int8_nchw4_imma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/inplace_matmul.cpp b/dnn/src/cuda/conv_bias/inplace_matmul.cpp
index b65386eb2a4cb34359f137ff6845f8471b8c2671..5eb70683701a567e33b55cb324d2267d39186858 100644
--- a/dnn/src/cuda/conv_bias/inplace_matmul.cpp
+++ b/dnn/src/cuda/conv_bias/inplace_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/inplace_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4.cuinl b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4.cuinl
index 6de410effc4da5cbd6487250a421841154380cc1..61e5b48f71f0a99c7d0d0b932bc2042f9a0e385b 100644
--- a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4.cuinl
+++ b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit.cuinl b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit.cuinl
index 3d56fa8d8dcd8cb0aee8fed4f0617d4e37ad8561..fa3c352729617c7ba7a72c1fc5577896c3a24c9e 100644
--- a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit.cuinl
+++ b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit_unroll_width.cuinl b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit_unroll_width.cuinl
index 348b92ef29c4efb7000b1082b3b99499e55cb737..d9ec030ca8596ecda8fb6596039039bc1c228e2a 100644
--- a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit_unroll_width.cuinl
+++ b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit_unroll_width.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_ld_64bit_unroll_width.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_unroll_width.cuinl b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_unroll_width.cuinl
index a090a1457501af67648a5eeeae93b4f4fd42b152..d97450b38f061d9e0bc8c94bdc1798213b5584f3 100644
--- a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_unroll_width.cuinl
+++ b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_unroll_width.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cdiv4hwn4_unroll_width.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cutlass_wrapper.cuinl b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cutlass_wrapper.cuinl
index 256742a14c8a6065a42040f6b68fcdebc7e6d561..31b9c40b92b035010a524ce13cdba21b300d4595 100644
--- a/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cutlass_wrapper.cuinl
+++ b/dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cutlass_wrapper.cuinl
@@ -3,7 +3,7 @@
  * dnn/src/cuda/conv_bias/int8/conv_bias_int8_implicit_gemm_cutlass_wrapper.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4.cuinl
index e19e9789f5b81923b53f8e62add5137562e37075..e341baa3558eef6a1e9028e90a408786981aec68 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_reorder_filter.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_reorder_filter.cuinl
index e44dc571efc8a432785d04e5c32ed34a113fc4c9..2056785dbc1c3d8c00938e30b979717cc7423f53 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_reorder_filter.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_reorder_filter.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_reorder_filter.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_unroll_width.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_unroll_width.cuinl
index 1ec9c194b7e73af45addc3fcf757db53a1a15da8..70140f16719ddd49d10a4b75960265868782aa3e 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_unroll_width.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_unroll_width.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma16x16x16_cdiv4hwn4_unroll_width.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4.cuinl
index 369817bdf136b0d50c37bbaebe46d9e1bb660b7e..e52d183561abc9c66fa61c12343631c4d178d210 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_reorder_filter.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_reorder_filter.cuinl
index a5e2ceddff4ed61e1b07a002aab6513e00d2e7c9..2c7fb93412d07fa3c0bc61d30c334ccedd627431 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_reorder_filter.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_reorder_filter.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_reorder_filter.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_unroll_width.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_unroll_width.cuinl
index 8ae743cb6589169609bb0faca85f2a6a959d53bd..025b3781c79675efb3ef63fa0cf0a5d88e78f1e1 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_unroll_width.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_unroll_width.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma32x8x16_cdiv4hwn4_unroll_width.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4.cuinl
index 869d4cd468ab79ef9669b5222ba2d830983ac1c0..ced120a044a2cdb3a8b2d140fb07c9f23170a0f3 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_reorder_filter.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_reorder_filter.cuinl
index 6a8219dd154bb3d53322333b68a31f1eb21f4f9b..77057dac5c2d48bfea44e15bc19657b92021ee2a 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_reorder_filter.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_reorder_filter.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_reorder_filter.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_unroll_width.cuinl b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_unroll_width.cuinl
index a05af7368717ef92f9c8a3ae872dd58d22741473..536d0b98efcec65f0797695f6d2fee4c29a83a35 100644
--- a/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_unroll_width.cuinl
+++ b/dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_unroll_width.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/int8_imma/conv_bias_int8_implicit_gemm_imma8x32x16_cdiv4hwn4_unroll_width.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/matmul.cpp b/dnn/src/cuda/conv_bias/matmul.cpp
index fc99218eb6d3bea9d24797cbf6e4783c49a2e15d..78038009a6c916bb0ca42f94cf0632a60724d8f7 100644
--- a/dnn/src/cuda/conv_bias/matmul.cpp
+++ b/dnn/src/cuda/conv_bias/matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/matmul/im2col.cu b/dnn/src/cuda/conv_bias/matmul/im2col.cu
index 0f19e9563f92ce9cdad4923f57c41263070318c2..2a5be3b449640594100b2997c5e0e3e15021df13 100644
--- a/dnn/src/cuda/conv_bias/matmul/im2col.cu
+++ b/dnn/src/cuda/conv_bias/matmul/im2col.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/matmul/im2col.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/matmul/im2col.cuh b/dnn/src/cuda/conv_bias/matmul/im2col.cuh
index bd283bc3f8acce96016996d42f79505ad211a3a4..1ecbd5eab9e979fb6c322b9b058a401b395bc78d 100644
--- a/dnn/src/cuda/conv_bias/matmul/im2col.cuh
+++ b/dnn/src/cuda/conv_bias/matmul/im2col.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/matmul/im2col.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cu b/dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cu
index 201b23f3f7f3b86aef3c78aaa4aa1c54c00b5f0a..ec4da730e42443da63240332a8a67def799fe10e 100644
--- a/dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cu
+++ b/dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cuh b/dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cuh
index 1c78cf3f4ee4aa7062600680046afed80cf59cfa..fbfb91a43b5c4a4516a5a3c82263e0d6ff1e0b50 100644
--- a/dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cuh
+++ b/dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/matmul/im2col_nhwc_int8.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cu b/dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cu
index 354c28d21e37898fafee22af96208fb5cb959358..750295b10ebb6bed9d16ad8cbfc2ff3fd92f5f16 100644
--- a/dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cu
+++ b/dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cuh b/dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cuh
index a9a98ba2904d70bb816e6559977e536bf31837b0..121bc29ea0a36079292aae074a5cbb2536a3d430 100644
--- a/dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cuh
+++ b/dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/matmul/inplace_matmul_impl.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/matmul_8x8x32.cpp b/dnn/src/cuda/conv_bias/matmul_8x8x32.cpp
index 33ab1728e91e1c7dc89f087dc3b5d67e81e0e23a..f7ec0259e99c18044f47621d181c9f5a9b664e5f 100644
--- a/dnn/src/cuda/conv_bias/matmul_8x8x32.cpp
+++ b/dnn/src/cuda/conv_bias/matmul_8x8x32.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/matmul_8x8x32.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/opr_impl.cpp b/dnn/src/cuda/conv_bias/opr_impl.cpp
index 34b89f174b6f3ae3285959aa5268d3de85d93747..d618bd09ea8349e14115d3ba66ca3799c562bb18 100644
--- a/dnn/src/cuda/conv_bias/opr_impl.cpp
+++ b/dnn/src/cuda/conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/opr_impl.h b/dnn/src/cuda/conv_bias/opr_impl.h
index 4ba78f9c530435093dc85d5e84f45ccff52bd591..4c36a89330f2b238817bd8f0b7b13bd444a8851c 100644
--- a/dnn/src/cuda/conv_bias/opr_impl.h
+++ b/dnn/src/cuda/conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma.cpp b/dnn/src/cuda/conv_bias/quint4x4x32_wmma.cpp
index 1210f7eb313eb75cfe8503fcb6a66665f16a4da3..a9bed4fb878df2980b43a21041e9eb306243f82c 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma.cpp
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cpp b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cpp
index cdca568295657e4fd7ae761f735066da3d3096ef..80a66e1b2142a898a7a1370c567b54777f6b731e 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cpp
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cu b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cu
index 500c653b9465533d3d453dc8c50e9bbde6f0398e..aaf42b198300be797dbab4ae634c211c7c986855 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cu
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cu
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cuh b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cuh
index 6b0749dd7fea07a0e6e837b0e72605a9bb93776c..ee4e482d019c922dc780f24e7bbd43bfc954ad8e 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cuh
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/activation_u4.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cu b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cu
index 1ee6d9f85fedd04724a685cf42d40478a7d9be0f..e8f2ab10b9f830a1cf034a9f1dd00b133725d291 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cu
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cu
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cuh b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cuh
index 462f5af41a325e7d275361b11ba3d5fdcb5a67e4..3136795cd8de1a138adafbab3996b9ae6a5dc9ab 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cuh
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_data.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cu b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cu
index e307dfe5c396a4fd8e530b76e3b8005504bdd5c2..280d9b39f2cdeb4d075ed520abf9beece2b8b9d6 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cu
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cu
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cuh b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cuh
index 6781da2f62ec92e29defb00f6744e53668ab598f..9074f4eb75e33f508a3c5091261d1d31f5ef955c 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cuh
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/reduce_with_scale_filter.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4.cuh b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4.cuh
index 88c58db64caab8e0d47c043301d4702f84448665..78b54b0a22f3ee7ca6490b3966f0316a9531a230 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4.cuh
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_1xfw.cu b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_1xfw.cu
index cf9a68ab88457f9d1870fc4610b3d682f883e16b..bea3036a73bb70fd87fd827ebaaaf12cc4f2c6f9 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_1xfw.cu
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_1xfw.cu
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_1xfw.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_fhxfw.cu b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_fhxfw.cu
index 2229826071aa0ef57d0e7f9a80563b242ee6a5ff..d63d20e044d5e7ca52ce3c56a0052bf74501bda5 100644
--- a/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_fhxfw.cu
+++ b/dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_fhxfw.cu
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/conv_bias/quint4x4x32_wmma/wmma_conv_integer_u4_fhxfw.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_data/algo.cpp b/dnn/src/cuda/convolution/backward_data/algo.cpp
index cba028a4dbc629cf69660d110c6837163b82f26a..1c3f69916207a55e5f2b07efdd2acf5a3af30881 100644
--- a/dnn/src/cuda/convolution/backward_data/algo.cpp
+++ b/dnn/src/cuda/convolution/backward_data/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_data/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_data/algo.h b/dnn/src/cuda/convolution/backward_data/algo.h
index 380fb783e0393b445374a08e76157f05bd5b8a9d..942d0b3edc2c4878f08f5b83b6204fce22214c42 100644
--- a/dnn/src/cuda/convolution/backward_data/algo.h
+++ b/dnn/src/cuda/convolution/backward_data/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_data/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_data/bfloat16.cpp b/dnn/src/cuda/convolution/backward_data/bfloat16.cpp
index d1388ac3ec9ccad8ac03509d08ce06babea0bf2c..3e4c6304e0ad24efe2e1904f0ef91ea767305145 100644
--- a/dnn/src/cuda/convolution/backward_data/bfloat16.cpp
+++ b/dnn/src/cuda/convolution/backward_data/bfloat16.cpp
@@ -2,7 +2,7 @@
  * \file src/cuda/convolution/backward_data/bfloat16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_data/chanwise.cpp b/dnn/src/cuda/convolution/backward_data/chanwise.cpp
index 57d3242ea971da58a8421409c644ad8e24d83af8..f6272fca74fad01d28f0e8ed5bcefd678bdb6657 100644
--- a/dnn/src/cuda/convolution/backward_data/chanwise.cpp
+++ b/dnn/src/cuda/convolution/backward_data/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_data/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_data/chanwise_small.cpp b/dnn/src/cuda/convolution/backward_data/chanwise_small.cpp
index 7f00a29eac0742f7429fde64bc675ef02441881f..cc5b12e20e850557f28723fe9c9c9b7fed9ab8a1 100644
--- a/dnn/src/cuda/convolution/backward_data/chanwise_small.cpp
+++ b/dnn/src/cuda/convolution/backward_data/chanwise_small.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_data/chanwise_small.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_data/cudnn.cpp b/dnn/src/cuda/convolution/backward_data/cudnn.cpp
index 3b0469728caae5ff05f1b171b79d3e380326640d..e7ec053094928590ed938559bd36a8af56f84333 100644
--- a/dnn/src/cuda/convolution/backward_data/cudnn.cpp
+++ b/dnn/src/cuda/convolution/backward_data/cudnn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_data/cudnn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_data/group_conv.cpp b/dnn/src/cuda/convolution/backward_data/group_conv.cpp
index 51e2a4b14fd8afcebcc97abc1144492b847895b6..e4df3ac8defbb8dcde9d760c2a6176558b3683a8 100644
--- a/dnn/src/cuda/convolution/backward_data/group_conv.cpp
+++ b/dnn/src/cuda/convolution/backward_data/group_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_data/group_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_data/matmul.cpp b/dnn/src/cuda/convolution/backward_data/matmul.cpp
index 1188f3e5bcdd58890a0bba318da4780e84c669d8..6fd374aa15ec00a1f725ee5e1b74496fc2fc07f9 100644
--- a/dnn/src/cuda/convolution/backward_data/matmul.cpp
+++ b/dnn/src/cuda/convolution/backward_data/matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_data/matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_filter/algo.cpp b/dnn/src/cuda/convolution/backward_filter/algo.cpp
index d7c9c4bc53a8867a104db6d3f4e016aeb8c60ee2..fc89b30bd258c19e13432ce8eafefcc33cf71b92 100644
--- a/dnn/src/cuda/convolution/backward_filter/algo.cpp
+++ b/dnn/src/cuda/convolution/backward_filter/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_filter/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_filter/algo.h b/dnn/src/cuda/convolution/backward_filter/algo.h
index 2c8b35632b1bca09259a187f50c87ddc42a715ba..d224ee0061953b04dd1a9cef023a4760e1250ff8 100644
--- a/dnn/src/cuda/convolution/backward_filter/algo.h
+++ b/dnn/src/cuda/convolution/backward_filter/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_filter/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_filter/bfloat16.cpp b/dnn/src/cuda/convolution/backward_filter/bfloat16.cpp
index efe98b25a1887d680db53a5bf8decdbba654e072..911410cd60d211b4042c89e3a38dac4592d83f5a 100644
--- a/dnn/src/cuda/convolution/backward_filter/bfloat16.cpp
+++ b/dnn/src/cuda/convolution/backward_filter/bfloat16.cpp
@@ -2,7 +2,7 @@
  * \file src/cuda/convolution/backward_filter/bfloat16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_filter/chanwise.cpp b/dnn/src/cuda/convolution/backward_filter/chanwise.cpp
index f12c5101fe1afd6704dcee8a9fe03023e1cd9e94..c3b3f731f48bf8a2bacf7efa4778800b2e847a39 100644
--- a/dnn/src/cuda/convolution/backward_filter/chanwise.cpp
+++ b/dnn/src/cuda/convolution/backward_filter/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_filter/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_filter/cudnn.cpp b/dnn/src/cuda/convolution/backward_filter/cudnn.cpp
index 30d38dd5eb9da83f4789970828ac0016b15a62e2..f66e2b5bd1158152fde489be8a5f9656e50279d6 100644
--- a/dnn/src/cuda/convolution/backward_filter/cudnn.cpp
+++ b/dnn/src/cuda/convolution/backward_filter/cudnn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_filter/cudnn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_filter/group_conv.cpp b/dnn/src/cuda/convolution/backward_filter/group_conv.cpp
index a2569813d4d3c61178717d2fc00cb51cea2859c5..797469f3dbfec713eb35e83f766c9a8af2fcffaf 100644
--- a/dnn/src/cuda/convolution/backward_filter/group_conv.cpp
+++ b/dnn/src/cuda/convolution/backward_filter/group_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_filter/group_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/backward_filter/matmul.cpp b/dnn/src/cuda/convolution/backward_filter/matmul.cpp
index 761f0ec1e21d688c9b859fc8f87a694a8901699c..0ae5871a41bc096878cb34a575c9e44ce1bbc5f7 100644
--- a/dnn/src/cuda/convolution/backward_filter/matmul.cpp
+++ b/dnn/src/cuda/convolution/backward_filter/matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/backward_filter/matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/chanwise/bwd_data.cu b/dnn/src/cuda/convolution/chanwise/bwd_data.cu
index 6c50c6bd07d6f1e4dfb9f90c692418a70b5ad606..d21562183b69cbd5bf490d50355a6c81125bb082 100644
--- a/dnn/src/cuda/convolution/chanwise/bwd_data.cu
+++ b/dnn/src/cuda/convolution/chanwise/bwd_data.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/chanwise/bwd_data.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/chanwise/bwd_filter.cu b/dnn/src/cuda/convolution/chanwise/bwd_filter.cu
index 0fbab61ac100ca0109548f768e747b39f63fbf9e..9a36443eda5d5aca43fa801cb1a2bf2c70dee6a3 100644
--- a/dnn/src/cuda/convolution/chanwise/bwd_filter.cu
+++ b/dnn/src/cuda/convolution/chanwise/bwd_filter.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/chanwise/bwd_filter.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/chanwise/bwd_small.cu b/dnn/src/cuda/convolution/chanwise/bwd_small.cu
index 3713f42fd6cdebf98b5a0d9aeb73c19533b20381..8184d986be051211f62ab3d2c444fb510492b57a 100644
--- a/dnn/src/cuda/convolution/chanwise/bwd_small.cu
+++ b/dnn/src/cuda/convolution/chanwise/bwd_small.cu
@@ -18,7 +18,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/chanwise/kern.cuh b/dnn/src/cuda/convolution/chanwise/kern.cuh
index af19ad801e0061c8837cae1e0cfb3dc448481d75..7bba345d769505850e6844a2969a6c7226d1334d 100644
--- a/dnn/src/cuda/convolution/chanwise/kern.cuh
+++ b/dnn/src/cuda/convolution/chanwise/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/chanwise/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/chanwise/kern_helper.cuh b/dnn/src/cuda/convolution/chanwise/kern_helper.cuh
index da97fdad6b326fc88248cb052c2cff635369243e..84516feebebdc8b5808d943cdce5c3e51bc06278 100644
--- a/dnn/src/cuda/convolution/chanwise/kern_helper.cuh
+++ b/dnn/src/cuda/convolution/chanwise/kern_helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/chanwise/kern_helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/chanwise/launch_config.cpp b/dnn/src/cuda/convolution/chanwise/launch_config.cpp
index abc27999abf2ada92500ba4075addd341e880a7c..5479fc1329bdf11a10249c778088f1bb3398d1dd 100644
--- a/dnn/src/cuda/convolution/chanwise/launch_config.cpp
+++ b/dnn/src/cuda/convolution/chanwise/launch_config.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/chanwise/launch_config.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/chanwise/launch_config.cuh b/dnn/src/cuda/convolution/chanwise/launch_config.cuh
index daca3a9efbe3a8dad01ef88cbe832e3a93d06629..997b438abd2b779ac70bf033a617d3235c9edfcf 100644
--- a/dnn/src/cuda/convolution/chanwise/launch_config.cuh
+++ b/dnn/src/cuda/convolution/chanwise/launch_config.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/chanwise/launch_config.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/helper.cpp b/dnn/src/cuda/convolution/helper.cpp
index 06878e51316edb9b76040f97404d589bd1f4e6cb..7c7280b55744f6f933edbf9634317e48f8eb029e 100644
--- a/dnn/src/cuda/convolution/helper.cpp
+++ b/dnn/src/cuda/convolution/helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/helper.h b/dnn/src/cuda/convolution/helper.h
index 92d24c7b11892e1f94831289cb79d01c7f19a8ce..0528f5e22e5c8b5b1eef54ece4a0e90cb7a5e298 100644
--- a/dnn/src/cuda/convolution/helper.h
+++ b/dnn/src/cuda/convolution/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/im2col.cu b/dnn/src/cuda/convolution/im2col.cu
index fcabab69db25ae80a3ab0d7960562e86cbc016f2..c2b7ec7f6ba896269af8d34f155a4cd253ecc62e 100644
--- a/dnn/src/cuda/convolution/im2col.cu
+++ b/dnn/src/cuda/convolution/im2col.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/im2col.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/im2col.cuh b/dnn/src/cuda/convolution/im2col.cuh
index 7a7c9e0bf6ef62a57d2f7c801b8882a7d1c5aa04..9a830fbdf86ebad677071e04d62bb6c6dd72224d 100644
--- a/dnn/src/cuda/convolution/im2col.cuh
+++ b/dnn/src/cuda/convolution/im2col.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/im2col.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/opr_impl.cpp b/dnn/src/cuda/convolution/opr_impl.cpp
index 725103be2accf1cd53d85df7877415070f176956..6e4b0c3da918cb2dda03d67f7571ef52cb26e1aa 100644
--- a/dnn/src/cuda/convolution/opr_impl.cpp
+++ b/dnn/src/cuda/convolution/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution/opr_impl.h b/dnn/src/cuda/convolution/opr_impl.h
index f46938494a71578bc994dc0d394cddd0d239cebd..58ce5785e33b34ce5c232a05c020899984887c53 100644
--- a/dnn/src/cuda/convolution/opr_impl.h
+++ b/dnn/src/cuda/convolution/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_data/algo.cpp b/dnn/src/cuda/convolution3d/backward_data/algo.cpp
index 3c2b5dabd855a48f35e5a9a3d1a617278df42580..1e992916f0f0c7896a366d242bb6257ad49d39df 100644
--- a/dnn/src/cuda/convolution3d/backward_data/algo.cpp
+++ b/dnn/src/cuda/convolution3d/backward_data/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_data/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_data/algo.h b/dnn/src/cuda/convolution3d/backward_data/algo.h
index cf134da87c18356761e498058c85cebb39ac0a2e..8d51028c01e5fe36ca721b34a21368da372132af 100644
--- a/dnn/src/cuda/convolution3d/backward_data/algo.h
+++ b/dnn/src/cuda/convolution3d/backward_data/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_data/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_data/chanwise.cpp b/dnn/src/cuda/convolution3d/backward_data/chanwise.cpp
index dafe1e6c98252977d388dff2dcc1ba3a359ad32f..7c08aef1424a64d95af8b52f6cbac3d41ae0c415 100644
--- a/dnn/src/cuda/convolution3d/backward_data/chanwise.cpp
+++ b/dnn/src/cuda/convolution3d/backward_data/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_data/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_data/cudnn.cpp b/dnn/src/cuda/convolution3d/backward_data/cudnn.cpp
index 271b07cd2ba14bea8485647d5a57d3b98d87ac56..c7fcafdfe7a6b3f1346fed0550137ffbf06f07aa 100644
--- a/dnn/src/cuda/convolution3d/backward_data/cudnn.cpp
+++ b/dnn/src/cuda/convolution3d/backward_data/cudnn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_data/cudnn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_data/group_conv.cpp b/dnn/src/cuda/convolution3d/backward_data/group_conv.cpp
index e2e992b69226ccae4c30f3de0aeb8f6ddf27600a..a134e17084cecf69e7b8b0622a05ca6862ee0327 100644
--- a/dnn/src/cuda/convolution3d/backward_data/group_conv.cpp
+++ b/dnn/src/cuda/convolution3d/backward_data/group_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_data/group_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_filter/algo.cpp b/dnn/src/cuda/convolution3d/backward_filter/algo.cpp
index 5533bbe3e652aa4d99e2fb784eb96d77a5e2ff49..6ae5526183e9ef855a5ff816db6990ac434ce228 100644
--- a/dnn/src/cuda/convolution3d/backward_filter/algo.cpp
+++ b/dnn/src/cuda/convolution3d/backward_filter/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_filter/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_filter/algo.h b/dnn/src/cuda/convolution3d/backward_filter/algo.h
index 8c71eed96fe0bcb12f1856bad5b8b16073eefe82..8ee045a4a6ff8a8ad79b11d4a435032b2ace6614 100644
--- a/dnn/src/cuda/convolution3d/backward_filter/algo.h
+++ b/dnn/src/cuda/convolution3d/backward_filter/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_filter/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_filter/chanwise.cpp b/dnn/src/cuda/convolution3d/backward_filter/chanwise.cpp
index 55248bff1b99954faeb4198b0251d62d6adbc688..7f738f093f3939a19b79c45dedf9f22c799a104e 100644
--- a/dnn/src/cuda/convolution3d/backward_filter/chanwise.cpp
+++ b/dnn/src/cuda/convolution3d/backward_filter/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_filter/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_filter/cudnn.cpp b/dnn/src/cuda/convolution3d/backward_filter/cudnn.cpp
index 5662b9ec1b4f752126865c7517fd7f5708442704..a0afe7c25cdaf20d207387c412d8fe979b83febb 100644
--- a/dnn/src/cuda/convolution3d/backward_filter/cudnn.cpp
+++ b/dnn/src/cuda/convolution3d/backward_filter/cudnn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_filter/cudnn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_filter/group_conv.cpp b/dnn/src/cuda/convolution3d/backward_filter/group_conv.cpp
index b71e54a2cfe9a307c2c14fb3a6b8d981a7c3f1c5..0f2c29adb4676530eccd4aea4fea0c7495c8c5d3 100644
--- a/dnn/src/cuda/convolution3d/backward_filter/group_conv.cpp
+++ b/dnn/src/cuda/convolution3d/backward_filter/group_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_filter/group_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul.cpp b/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul.cpp
index 132a07b4ff413e42d2228922f50d97b393d98024..d27680ae63b1d1e6780921d6a7f2c528c5e65a24 100644
--- a/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul.cpp
+++ b/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_filter/inplace_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cu b/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cu
index 77a5b8f4a4ab06553043c0f409a146730b6caf0e..709153d6c1c202c967da6130381103777ef1b3db 100644
--- a/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cu
+++ b/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cuh b/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cuh
index 871056dd580defd5233315df8d4f0acea6c9dc99..970382064d66d1293a08deefbcc862aec269e5cf 100644
--- a/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cuh
+++ b/dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/backward_filter/inplace_matmul_impl.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/chanwise/bwd_data.cu b/dnn/src/cuda/convolution3d/chanwise/bwd_data.cu
index 598115ed49c03234d99de3ada48dbad1ec956677..f5f6d37bf2a0f2613de1434e1a23aa07ed1742e6 100644
--- a/dnn/src/cuda/convolution3d/chanwise/bwd_data.cu
+++ b/dnn/src/cuda/convolution3d/chanwise/bwd_data.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/chanwise/bwd_data.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/chanwise/bwd_filter.cu b/dnn/src/cuda/convolution3d/chanwise/bwd_filter.cu
index 94338193fe48cbbd8121f84b65f7405349e5f092..be9e5ab5f2d643cd7075e0aec941f08a0317929f 100644
--- a/dnn/src/cuda/convolution3d/chanwise/bwd_filter.cu
+++ b/dnn/src/cuda/convolution3d/chanwise/bwd_filter.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/chanwise/bwd_filter.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/chanwise/fwd.cu b/dnn/src/cuda/convolution3d/chanwise/fwd.cu
index e3c9d236a19d30a2273d3e85c004482b98c596cb..17b71a92f38b9c849079043c5346a1cf11f704d8 100644
--- a/dnn/src/cuda/convolution3d/chanwise/fwd.cu
+++ b/dnn/src/cuda/convolution3d/chanwise/fwd.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/chanwise/fwd.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/chanwise/kern.cuh b/dnn/src/cuda/convolution3d/chanwise/kern.cuh
index af17650ea507dc9183f9a2027b1a807ebfebe3a8..1e1861354d4259a958bae9da519495a6474e77d9 100644
--- a/dnn/src/cuda/convolution3d/chanwise/kern.cuh
+++ b/dnn/src/cuda/convolution3d/chanwise/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/chanwise/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/chanwise/kern_helper.cuh b/dnn/src/cuda/convolution3d/chanwise/kern_helper.cuh
index 759d0475d64b62cfb15f2d4e48216d4e9cab74ec..e44d1cd0fdc93e0473d0bc1f7b79351fe15e1b75 100644
--- a/dnn/src/cuda/convolution3d/chanwise/kern_helper.cuh
+++ b/dnn/src/cuda/convolution3d/chanwise/kern_helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/chanwise/kern_helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/1x1x1.cpp b/dnn/src/cuda/convolution3d/forward/1x1x1.cpp
index a72e9fcdc7243282dbad3f05d0d7cdb67ba160a1..a7a12c3d7359f4ae501700e13fff194e5e6d9b76 100644
--- a/dnn/src/cuda/convolution3d/forward/1x1x1.cpp
+++ b/dnn/src/cuda/convolution3d/forward/1x1x1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/1x1x1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/algo.cpp b/dnn/src/cuda/convolution3d/forward/algo.cpp
index 1b52a0e828f55629d0be96ffd5122ee3fa27d990..b04930b01e28eaaef878c19561883905ea788a94 100644
--- a/dnn/src/cuda/convolution3d/forward/algo.cpp
+++ b/dnn/src/cuda/convolution3d/forward/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/algo.h b/dnn/src/cuda/convolution3d/forward/algo.h
index e6073dfa0e5b3019d5a8665436fa1a49368bf362..16216ce63cfc56fcc35a16c96ef6bca0f8a249c4 100644
--- a/dnn/src/cuda/convolution3d/forward/algo.h
+++ b/dnn/src/cuda/convolution3d/forward/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/chanwise.cpp b/dnn/src/cuda/convolution3d/forward/chanwise.cpp
index 88a4a70c3cbd0063c1b7c975a98a23f8c1ef250a..ce30a896274a6976eaff48e1e432df8b85c385ad 100644
--- a/dnn/src/cuda/convolution3d/forward/chanwise.cpp
+++ b/dnn/src/cuda/convolution3d/forward/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/cudnn.cpp b/dnn/src/cuda/convolution3d/forward/cudnn.cpp
index 6dfcbc5911b821ed2e2c89b496dc831b6bc429e5..da801e31c8bbe5a5b7a3ada59f0b9ac750260a5e 100644
--- a/dnn/src/cuda/convolution3d/forward/cudnn.cpp
+++ b/dnn/src/cuda/convolution3d/forward/cudnn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/cudnn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/group_conv.cpp b/dnn/src/cuda/convolution3d/forward/group_conv.cpp
index 3eb2bf1623b0fd7e37df6fbfdbca36ebf5ea6f83..39da7fe37648e0ba06df8b823b472a97cb451b5c 100644
--- a/dnn/src/cuda/convolution3d/forward/group_conv.cpp
+++ b/dnn/src/cuda/convolution3d/forward/group_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/group_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/inplace_matmul.cpp b/dnn/src/cuda/convolution3d/forward/inplace_matmul.cpp
index b19afbf6b23dfc4f122732decd586fd0e17bee7a..672ec5f7cb6260a3f443a545cb4696f066055108 100644
--- a/dnn/src/cuda/convolution3d/forward/inplace_matmul.cpp
+++ b/dnn/src/cuda/convolution3d/forward/inplace_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/inplace_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cu b/dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cu
index 37a1b51d772ddbd5378023362405c0000dc36951..ed215f912a5dd085fec079432da06390a65f463a 100644
--- a/dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cu
+++ b/dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cuh b/dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cuh
index 98f800607bb409bbe436a470a1253e3da0752ddb..4578252b482fcf67485ad38ff91082ec86b75e24 100644
--- a/dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cuh
+++ b/dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/forward/inplace_matmul_impl.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/helper.cpp b/dnn/src/cuda/convolution3d/helper.cpp
index 478f71b148dafcb173f9e1c1d8ef44c7b153af6d..591786ae62f2f7887e8b237ebe1aefd15a8b9121 100644
--- a/dnn/src/cuda/convolution3d/helper.cpp
+++ b/dnn/src/cuda/convolution3d/helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/helper.h b/dnn/src/cuda/convolution3d/helper.h
index 8fe736588a67802ed51183fbcc850f50c46a1838..4d3218b7f1faf70a3ac1b206306a795f159315ed 100644
--- a/dnn/src/cuda/convolution3d/helper.h
+++ b/dnn/src/cuda/convolution3d/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/opr_impl.cpp b/dnn/src/cuda/convolution3d/opr_impl.cpp
index 7c2715ed9756e0fec670b6ee6996e1138cc6cea9..699905590e722c9a48f7441c8c4842003cf2dd9c 100644
--- a/dnn/src/cuda/convolution3d/opr_impl.cpp
+++ b/dnn/src/cuda/convolution3d/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution3d/opr_impl.h b/dnn/src/cuda/convolution3d/opr_impl.h
index a20249bbc31c822f978af56d8a9be284e4cea3e4..8d419b495aad435c9b5a7985557b14d9d0cdffbd 100644
--- a/dnn/src/cuda/convolution3d/opr_impl.h
+++ b/dnn/src/cuda/convolution3d/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convolution3d/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/activation.cuh b/dnn/src/cuda/convolution_helper/activation.cuh
index 4ac4397cd38c20876f58132866d2e7b557f272d8..17bb8ef1053ee7329465423b26fab6037d17325e 100644
--- a/dnn/src/cuda/convolution_helper/activation.cuh
+++ b/dnn/src/cuda/convolution_helper/activation.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/activation.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/bias_visitor.cuh b/dnn/src/cuda/convolution_helper/bias_visitor.cuh
index 06f6813900348f0773ec503a623cefa4b9c470bb..4b7956bb0280c84232a8568ce2295f9d74732b61 100644
--- a/dnn/src/cuda/convolution_helper/bias_visitor.cuh
+++ b/dnn/src/cuda/convolution_helper/bias_visitor.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/bias_visitor.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_consumer/block_consumer.cuh b/dnn/src/cuda/convolution_helper/block_tile_consumer/block_consumer.cuh
index 8150cf31510673cec8239be02428c96a1f04f928..778b81b553c6048f6483a2620192cba8a9c9e023 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_consumer/block_consumer.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_consumer/block_consumer.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_consumer/block_consumer.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer.cuh b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer.cuh
index c84b39380d9b0ee3292c330f2a004c0b8a5f7872..e67f4ac3109f8c2cc487f190d1262fb9728badb0 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_coxhw.cuh b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_coxhw.cuh
index 224302759979052eda6a287e31bc2adec179854d..e8f80fb6b7d5f7909fd6bed5c645c90510b89394 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_coxhw.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_coxhw.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_coxhw.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_unroll_width.cuh b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_unroll_width.cuh
index 5b5d85e755bb98e01033b05a3f7fca5b1bee23c2..f0f154b3f59055dae6df7ffa593d57fde80139b0 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_unroll_width.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_unroll_width.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_block_consumer_unroll_width.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer.cuh b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer.cuh
index bb2fb89ee436f242563a596dede06e3f853f41d8..acb54f284142e5659de38c68c41d6d92f62821a5 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer_unroll_width.cuh b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer_unroll_width.cuh
index be101be3b456d583e1dafcc9ac6aa7b49b55be20..eb523637f1956ee912e316f014e0ba1e3a76c54e 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer_unroll_width.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer_unroll_width.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_consumer/iconv_imma_block_consumer_unroll_width.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator.cuh b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator.cuh
index 46cf16adefe6c5c68eb64bfda1120ee8c2bfaa21..dd11a519252c4141e7a603ac1e43c7ee921ee5d3 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_basic.cuh b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_basic.cuh
index 2d521326866304a19c2c7ee41092efa0821a2e4d..953e6ab651f079087edddd7563b375b3f6154853 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_basic.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_basic.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_basic.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_coxhw.cuh b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_coxhw.cuh
index ce06eea1508e08ca88cb18104edd59d1185f3ce5..e2c0a3d7f4aca62fc10e1dbde011bb90afb291f9 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_coxhw.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_coxhw.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_coxhw.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width.cuh b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width.cuh
index 5002c825be24618624da6b8697209f00ee5a1a03..8ab17aabd34529cc555db56f0f1cc22fb671174f 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width_v2.cuh b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width_v2.cuh
index 130968d8fe6e70a42a46c5eb8c3d6cb4abe5f808..1904de87e680e24b43b79982cfa6e91677c52834 100644
--- a/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width_v2.cuh
+++ b/dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width_v2.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/block_tile_iterator/block_tile_iterator_unroll_width_v2.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/config.cuh b/dnn/src/cuda/convolution_helper/config.cuh
index 37f6f964703f78ea743ece044c7a7fe9ae393af6..ea71ba7c204eaf328c562a1b93504f0fa6f48473 100644
--- a/dnn/src/cuda/convolution_helper/config.cuh
+++ b/dnn/src/cuda/convolution_helper/config.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/config.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/conv_trait/conv_trait.cuh b/dnn/src/cuda/convolution_helper/conv_trait/conv_trait.cuh
index 80c584526e54929aca6d05cd54b3dcb570031ed4..f4869ff4d94b3d64b9e91d57e8bfab48b9d8594f 100644
--- a/dnn/src/cuda/convolution_helper/conv_trait/conv_trait.cuh
+++ b/dnn/src/cuda/convolution_helper/conv_trait/conv_trait.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/conv_trait/conv_trait.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/conv_trait/ibatch_conv_trait.cuh b/dnn/src/cuda/convolution_helper/conv_trait/ibatch_conv_trait.cuh
index cc86f96c6f4d071e358bcb977808c9aeb52d6679..f21197e15d3d1143825176dd69de7343bc9cca68 100644
--- a/dnn/src/cuda/convolution_helper/conv_trait/ibatch_conv_trait.cuh
+++ b/dnn/src/cuda/convolution_helper/conv_trait/ibatch_conv_trait.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/conv_trait/ibatch_conv_trait.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/conv_trait/iconv_imma_trait.cuh b/dnn/src/cuda/convolution_helper/conv_trait/iconv_imma_trait.cuh
index bc86c123fc1fd588bba2f92365dc9ceeb503b852..3fb685eb107361fddaacb21d584fc48f31c4920a 100644
--- a/dnn/src/cuda/convolution_helper/conv_trait/iconv_imma_trait.cuh
+++ b/dnn/src/cuda/convolution_helper/conv_trait/iconv_imma_trait.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/conv_trait/iconv_imma_trait.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/conv_trait/iconv_trait.cuh b/dnn/src/cuda/convolution_helper/conv_trait/iconv_trait.cuh
index 9493d584344cb59f4a9d1d183243fee357c16a17..f43f820dfcb7bc2f79be36a808617d6cb4647a5d 100644
--- a/dnn/src/cuda/convolution_helper/conv_trait/iconv_trait.cuh
+++ b/dnn/src/cuda/convolution_helper/conv_trait/iconv_trait.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/conv_trait/iconv_trait.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/epilogue.cuh b/dnn/src/cuda/convolution_helper/epilogue.cuh
index 2fc656878ed66601cd2d769ef20749e2c4980621..929457cf0ca74c8eac8068d180808d3972d19440 100644
--- a/dnn/src/cuda/convolution_helper/epilogue.cuh
+++ b/dnn/src/cuda/convolution_helper/epilogue.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/epilogue.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor.cuh
index 7797507cd1a1c4d90580e38f4f0da832500af4dc..8212d282809c65738de993821919ff545cad84e5 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixhw.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixhw.cuh
index 6c23dfd3e58c75f40aa70f0a7913b76c96c0706d..1ebbd77723189d4a4ba0ea382478d5fb8cd1c64e 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixhw.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixhw.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixhw.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixn.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixn.cuh
index 9744daf103396872933f4792ff147958d910f2a2..fbb086843f312e1909ac0587a94ad531b0bc178c 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixn.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixn.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixn.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixwoxn.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixwoxn.cuh
index 8fdff7c84e056cead2893393727422666f19fcc9..829799f9679f1945282eddb68f03552fe2d425e1 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixwoxn.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixwoxn.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_cixwoxn.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_common.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_common.cuh
index 2443b317ba42f5362d3b3983476df916aa0b1aa5..62ecf9cb339c0f28a57a77c9f0db050e335cd08e 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_common.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_common.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_common.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_coxci.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_coxci.cuh
index c592f37a365d2125984e963e2cd3641a347c0b64..b5c731752d86fb6135186b7e313a6c5c97e1e21d 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_coxci.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_coxci.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_coxci.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixn.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixn.cuh
index 95b42699f5dbc11a674349ffd652ae7f48f773b3..b8e0ba64a3340659b0af2f147df050224672a3c8 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixn.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixn.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixn.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwixn.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwixn.cuh
index 2008e6b95795a5103662a4edf6a6cebde3351dcf..844a7e7d9c0969d8e80c0348169710332a07bb3f 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwixn.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwixn.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwixn.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwoxn.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwoxn.cuh
index b351538f40201abaa366a140b97a2fa64ff794c2..8833e84ff25d1a8c46d1cef5d81d3dcf1bb16c6a 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwoxn.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwoxn.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_cixwoxn.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_fwxco.cuh b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_fwxco.cuh
index 99ec2fd516d2ed25993c4b8fa51e0759b7dfbfd5..2669905b5bf8ddeabf002ab94ee08521bec3be1b 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_fwxco.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_fwxco.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_visitor/global_memory_visitor_imma_fwxco.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_writer/global_memory_writer.cuh b/dnn/src/cuda/convolution_helper/global_memory_writer/global_memory_writer.cuh
index 5d6a6150db36ce16dc9c429561d8d3c98f33c6c3..84d01f910a0d79bd4a974781e96ddaa4f8d46388 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_writer/global_memory_writer.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_writer/global_memory_writer.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_writer/global_memory_writer.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer.cuh b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer.cuh
index 285962fa0b86f5451b0d24579f0cd60634240c3d..dfb6003c1dec95d8d0d11b70cf8f4acd48ba5d21 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_coxhw.cuh b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_coxhw.cuh
index 82d26649954a7d7077cc78eace4bbfa61b092469..2d364139a33bac791c8157d6c1480cab54a4720e 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_coxhw.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_coxhw.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_coxhw.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_unroll_width.cuh b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_unroll_width.cuh
index ad5ec13aadb69d69e71ac8ed0420e8ae8c5e9b64..15fdfb2af7f29fc1d32b30e80cc72fb904a20444 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_unroll_width.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_unroll_width.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_writer/iconv_global_memory_writer_unroll_width.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer.cuh b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer.cuh
index ff5b1de1eb69dda0b2250d1b9427ee89c5908efb..0987459dc394505e31553ce7ea81ea5f2be0542d 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer_unroll_width.cuh b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer_unroll_width.cuh
index 04cf044f0de7934d3fdb641961856588ecae072e..8a50869c9fa775cfc91e0e6168cd965df40b2b65 100644
--- a/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer_unroll_width.cuh
+++ b/dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer_unroll_width.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/global_memory_writer/iconv_imma_global_memory_writer_unroll_width.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/kernel.cuh b/dnn/src/cuda/convolution_helper/kernel.cuh
index 8b10dfdec60398e6d490dbb416d2d7c19d0c92bb..38af58e3895bb8eb6c2309f6f0a89a37fc605c1f 100644
--- a/dnn/src/cuda/convolution_helper/kernel.cuh
+++ b/dnn/src/cuda/convolution_helper/kernel.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/kernel.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/layout.cuh b/dnn/src/cuda/convolution_helper/layout.cuh
index 015c309007ac4ef10d12def07fb96776f08d9823..930ad0994e1fd55aff3c10e4a3f2d47e1214f981 100644
--- a/dnn/src/cuda/convolution_helper/layout.cuh
+++ b/dnn/src/cuda/convolution_helper/layout.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/layout.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/parameter.cuh b/dnn/src/cuda/convolution_helper/parameter.cuh
index 9ea422c4a54289bc0146e3f3c1700fed1394407f..889bd84a38e42b9866ca8f6d9bad6fb37bbabf58 100644
--- a/dnn/src/cuda/convolution_helper/parameter.cuh
+++ b/dnn/src/cuda/convolution_helper/parameter.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/parameter.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convolution_helper/prologue.cuh b/dnn/src/cuda/convolution_helper/prologue.cuh
index 91d5539d80d705bce59a0a69a3b288aa5504c7d9..df7e325da61b56bcc067dbdbc5959e3debda4eff 100644
--- a/dnn/src/cuda/convolution_helper/prologue.cuh
+++ b/dnn/src/cuda/convolution_helper/prologue.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/convolution_helper/prologue.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/conv_pooling.cuh b/dnn/src/cuda/convpooling/conv_pooling.cuh
index f7d19cfcd69824703bbb7b4f43f15516e7af74a4..f3d122b3ebc95fa5136adb8105025ebd4bab1a96 100644
--- a/dnn/src/cuda/convpooling/conv_pooling.cuh
+++ b/dnn/src/cuda/convpooling/conv_pooling.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/conv_pooling.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/conv_pooling.h b/dnn/src/cuda/convpooling/conv_pooling.h
index f9658688f71d891c779194406c7d927fdea3aae0..0192b08224131608e9c471ac7ce844c1fa05df05 100644
--- a/dnn/src/cuda/convpooling/conv_pooling.h
+++ b/dnn/src/cuda/convpooling/conv_pooling.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/conv_pooling.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/conv_pooling_tex.cu b/dnn/src/cuda/convpooling/conv_pooling_tex.cu
index c31c63b91b7341ad22e73f224c404f351074a0f3..76b16d355a1631baa5d5ef682bd8304977bbf6b3 100644
--- a/dnn/src/cuda/convpooling/conv_pooling_tex.cu
+++ b/dnn/src/cuda/convpooling/conv_pooling_tex.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/conv_pooling_tex.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/conv_pooling_utils.cuh b/dnn/src/cuda/convpooling/conv_pooling_utils.cuh
index 0d1ea97f908a9b7805fd5cd36a7139c7141ba401..82955c01d326403a30233b61b4e23cb4c6d50802 100644
--- a/dnn/src/cuda/convpooling/conv_pooling_utils.cuh
+++ b/dnn/src/cuda/convpooling/conv_pooling_utils.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/conv_pooling_utils.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/generate_kernel.py b/dnn/src/cuda/convpooling/kernel_impl/generate_kernel.py
index 67cd00d4fd87a22be72a3c0cbebf9d62095ff824..0a80f8d1abd40ce96bd9a16455d9df0c817e66d2 100755
--- a/dnn/src/cuda/convpooling/kernel_impl/generate_kernel.py
+++ b/dnn/src/cuda/convpooling/kernel_impl/generate_kernel.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl.h b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl.h
index f56a339e88f7e12ed4960e77a694da9e7ad7d7ce..90dc5fb22c1a73fe84076847aca587af5f158d90 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl.h
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize1.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize1.cu
index 084f54e2eccc7f49ce2de3363eac13772cb56438..370282107c72b10e34be3510a846a1b952591b9d 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize1.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize1.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize1.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize2.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize2.cu
index a6cff432260675d92e63e15111e77ccbcb6788bf..7c77397ef81f4c011b320722b3183be0d4aea4ae 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize2.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize2.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize2.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize3.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize3.cu
index 80e5b9e2dbeb418baf9cb6ad36c933ee59ae387b..eb72747e66a172da5fdb080af070f72dd515c3c1 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize3.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize3.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize3.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize4.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize4.cu
index fdb4e2f517e1c5046ac146565ceb93068825bbb5..4d9e0773d1aa5ebf24b40201ed1be3c96866a4c9 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize4.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize4.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize4.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize5.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize5.cu
index 22bc80e6b25f15e9736c81a960c161b4a142baf0..df5b23ef64cdbb4d4191d62c48db3006463ded7c 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize5.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize5.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize5.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize6.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize6.cu
index cdc291ce7997af1f3908b8aefb86f83b776c7a0d..ec4fbb7d677cdd5c390ee87814c9e11ca92e8c20 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize6.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize6.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize6.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize7.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize7.cu
index 68a1f044fc762934345a39bce206689c69033541..4ad72904fa8330be3748b30bf4915e0ab6a75a41 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize7.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize7.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_identity_ksize7.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize1.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize1.cu
index fcfa88b839442bb9abc3fb6f335dcbe5cb33762d..f610b03bbd762dffa5f5154ce529d6bba7afbc2a 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize1.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize1.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize1.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize2.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize2.cu
index 908df0dbfcd3847b6293be0da60ee076315fccd2..32831048fd371afa1cfbef5efd396611c5598ba5 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize2.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize2.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize2.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize3.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize3.cu
index 79142abb3db07c2b4542e17eeea0ace8febc6a2e..aaa379cca5583328654b5217f0ec09e043948ca4 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize3.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize3.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize3.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize4.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize4.cu
index 88256e6962a56dd57bb638288315e57d551f83fc..cedc0cfb2ad0ee79e7d890482ae829fa79400bec 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize4.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize4.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize4.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize5.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize5.cu
index eb14348b54b37b00ee9024e704d9a8a9e532aaaa..0a6c8d4e87bdcae368e69b95ae435c0f8f6c54cc 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize5.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize5.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize5.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize6.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize6.cu
index 1efdc71326cb9bd4fa56a15b0c00c3a6e0def280..f3c314de9e3d4397442ff52b87b920910eeea210 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize6.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize6.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize6.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize7.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize7.cu
index d61455c4c654453b0e88d2891c50828b853255e8..41418fff08526e0f046aad6d080fa2fa3f1d3e1b 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize7.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize7.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_relu_ksize7.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize1.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize1.cu
index 3b24da1462939ce1e233aadc0a2d578826525e45..637b9ba5cb0909d1ca2e201a474fa225c8e24cd4 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize1.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize1.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize1.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize2.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize2.cu
index dab6d3bccdc2bdf11da205cb9dcbbb1d4d66da76..68160a27fa167ccee06ed9f5cbfa744f57bd4a4e 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize2.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize2.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize2.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize3.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize3.cu
index 9501d3148a2e502123e2720d9b045e1a4b913cc6..4c056d2fa3c3da2adef2b2a112a99bb2180c9c04 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize3.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize3.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize3.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize4.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize4.cu
index 88487912646ff9246e8f0eec9fbed5ec6aa3aaf7..20e04d17b15fb939eb1d3e6b563925f5848be8f2 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize4.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize4.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize4.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize5.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize5.cu
index 25b04e05ab0b6e8a1c66b71431d8f969ae4edfbb..96c02bc623395bc5d89df26da985fd66523ab654 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize5.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize5.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize5.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize6.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize6.cu
index 86121cb59f3a9697a04df9b9ea456c2d96314fb0..e65e7b8bfdd8e32cb84a4fc64d2fa1629e40504f 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize6.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize6.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize6.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize7.cu b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize7.cu
index 5824564077d452e48187b755edd39248872e4b2c..4227167ceee8a21ec86d584e5cc5e5b20a53c715 100644
--- a/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize7.cu
+++ b/dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize7.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/kernel_impl/kernel_impl_sigmoid_ksize7.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/opr_impl.cpp b/dnn/src/cuda/convpooling/opr_impl.cpp
index 9ffa6e97f8e096fef02a32685848480dd3018c6a..7a62336e619bea8b96429537c48a704e1ec8f7d7 100644
--- a/dnn/src/cuda/convpooling/opr_impl.cpp
+++ b/dnn/src/cuda/convpooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/convpooling/opr_impl.h b/dnn/src/cuda/convpooling/opr_impl.h
index bd2d3c57268ff7c6f02a30bd99cff431839f483e..2590fe55c9ce77b63b9cc6cbeea8f70968596011 100644
--- a/dnn/src/cuda/convpooling/opr_impl.h
+++ b/dnn/src/cuda/convpooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/convpooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cuda_shfl_compat.cuh b/dnn/src/cuda/cuda_shfl_compat.cuh
index 85ac9e1285968d94a52a7fc1f13bfcdee6340f64..898ceceaffbf164b4ded971aac1b4d5b7e87b471 100644
--- a/dnn/src/cuda/cuda_shfl_compat.cuh
+++ b/dnn/src/cuda/cuda_shfl_compat.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cuda_shfl_compat.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cudnn_with_check.h b/dnn/src/cuda/cudnn_with_check.h
index 4511f99d348edcc071a5d0facf11fa89cfcc44ae..bf65274e33e875be4ee811e2e011d65da63bd512 100644
--- a/dnn/src/cuda/cudnn_with_check.h
+++ b/dnn/src/cuda/cudnn_with_check.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cudnn_with_check.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cudnn_wrapper.cpp b/dnn/src/cuda/cudnn_wrapper.cpp
index 64ecf4ac3cc6365755655c4fc04be36629d0a7d3..4be980812da0ebc04abea0df2f233808fa53f7c3 100644
--- a/dnn/src/cuda/cudnn_wrapper.cpp
+++ b/dnn/src/cuda/cudnn_wrapper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cudnn_wrapper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cudnn_wrapper.h b/dnn/src/cuda/cudnn_wrapper.h
index 8346ef0bfd77c900d7cf7fe91165eee4bb3d7bd6..ec761d3f40f085ef31ae2256ee965d00dbe7ef7b 100644
--- a/dnn/src/cuda/cudnn_wrapper.h
+++ b/dnn/src/cuda/cudnn_wrapper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cudnn_wrapper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cumsum/cumsum.cu b/dnn/src/cuda/cumsum/cumsum.cu
index d62e35a32d6383176441583fa82e0b5ff4fa6469..2665a55bd4a3a6c6d73619f287e27cdd58874d37 100644
--- a/dnn/src/cuda/cumsum/cumsum.cu
+++ b/dnn/src/cuda/cumsum/cumsum.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cumsum/cumsum.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cumsum/kern.cuh b/dnn/src/cuda/cumsum/kern.cuh
index 34bc5e0ab30996604afb00746c1d6788b16eccd3..003633781d99b78781a79a3a87718b12477cde5a 100644
--- a/dnn/src/cuda/cumsum/kern.cuh
+++ b/dnn/src/cuda/cumsum/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cumsum/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cumsum/kern_helper.cuh b/dnn/src/cuda/cumsum/kern_helper.cuh
index 48781836056df72836aab0718b5356e02634b612..b61cb68d775a05847b0166572709ad22c1b37076 100644
--- a/dnn/src/cuda/cumsum/kern_helper.cuh
+++ b/dnn/src/cuda/cumsum/kern_helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cumsum/kern_helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cumsum/kern_impl.cu b/dnn/src/cuda/cumsum/kern_impl.cu
index cd6414c0e025498afba06be549e2991ee95ad38f..47f5d6fa3e81254329cb51be7f5fa3c317b1f2f8 100644
--- a/dnn/src/cuda/cumsum/kern_impl.cu
+++ b/dnn/src/cuda/cumsum/kern_impl.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cumsum/kern_impl.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cumsum/kern_impl.cuinl b/dnn/src/cuda/cumsum/kern_impl.cuinl
index 0620de6d411c558ec7aa69d60721b39864cedca3..51985fae9fd3978727ce01a7324c397a34609387 100644
--- a/dnn/src/cuda/cumsum/kern_impl.cuinl
+++ b/dnn/src/cuda/cumsum/kern_impl.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cumsum/kern_impl.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cumsum/opr_impl.cpp b/dnn/src/cuda/cumsum/opr_impl.cpp
index 75047037cdc2691b15a58b480ed354f338f3091e..bf2e0416267d0f825e297cb7c38a28512f0898b5 100644
--- a/dnn/src/cuda/cumsum/opr_impl.cpp
+++ b/dnn/src/cuda/cumsum/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cumsum/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cumsum/opr_impl.h b/dnn/src/cuda/cumsum/opr_impl.h
index c7114d1b3f30888729de3cd7557f573f5b36e7fe..26b49fbba635059126c3e8d599b88f301483eb48 100644
--- a/dnn/src/cuda/cumsum/opr_impl.h
+++ b/dnn/src/cuda/cumsum/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cumsum/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cv/kernel_common.cuh b/dnn/src/cuda/cv/kernel_common.cuh
index f74fe2e5e7bf0d0243649a1c127e8d2a94c6486f..4c1e5968cfcb5d1f82f3bcad784a53f889764833 100644
--- a/dnn/src/cuda/cv/kernel_common.cuh
+++ b/dnn/src/cuda/cv/kernel_common.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cv/kernel_common.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cvt_color/cvt_color.cu b/dnn/src/cuda/cvt_color/cvt_color.cu
index 8ec46fbd590424dbbb43d7cae6c7aa4de71ca0c6..529e9534d3aeb73eeb8236fbe640e1d52833803a 100644
--- a/dnn/src/cuda/cvt_color/cvt_color.cu
+++ b/dnn/src/cuda/cvt_color/cvt_color.cu
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cvt_color/cvt_color.cuh b/dnn/src/cuda/cvt_color/cvt_color.cuh
index 741a80febcca731a4adf7b73aa803dd92132ee0e..a177251fa329e9edfbc86335ee18a74617000f2e 100644
--- a/dnn/src/cuda/cvt_color/cvt_color.cuh
+++ b/dnn/src/cuda/cvt_color/cvt_color.cuh
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cvt_color/opr_impl.cpp b/dnn/src/cuda/cvt_color/opr_impl.cpp
index 3de2d8aad7fec07a56faecbe81f6098db5cf7a2b..d9df4f489278d9848b48d9f4c04b48396938c199 100644
--- a/dnn/src/cuda/cvt_color/opr_impl.cpp
+++ b/dnn/src/cuda/cvt_color/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cvt_color/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/cvt_color/opr_impl.h b/dnn/src/cuda/cvt_color/opr_impl.h
index ce60e3fe0d4d0f358bda8fc6e0307477e86881c7..a6f2a04f6a418ad641d597e836216879a93d5363 100644
--- a/dnn/src/cuda/cvt_color/opr_impl.h
+++ b/dnn/src/cuda/cvt_color/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/cvt_color/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/dct/dct_channel_select.cu b/dnn/src/cuda/dct/dct_channel_select.cu
index 17e5d5b7d3b6b146aadbf583710103b8ddf4b8c0..d8bd8b3e4b52d02dc55ff4c8195aa5dad89714e2 100644
--- a/dnn/src/cuda/dct/dct_channel_select.cu
+++ b/dnn/src/cuda/dct/dct_channel_select.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/dct/dct_channel_select.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/dct/dct_channel_select.cuh b/dnn/src/cuda/dct/dct_channel_select.cuh
index ae10374b1eaa540afbed16e65651b38b124d4660..451dbff03666b990d38f79c65b8f6ae9838cd71b 100644
--- a/dnn/src/cuda/dct/dct_channel_select.cuh
+++ b/dnn/src/cuda/dct/dct_channel_select.cuh
@@ -3,7 +3,7 @@
  * MegEngine is Licensed under the Apache License, Version 2.0 (the
  "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/dct/opr_impl.cpp b/dnn/src/cuda/dct/opr_impl.cpp
index 7865e62ce7ef917a61d0e3b70dfdd3d930a3a0d1..bd81953c23774f6fb8de711d0325f009df06c2ea 100644
--- a/dnn/src/cuda/dct/opr_impl.cpp
+++ b/dnn/src/cuda/dct/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/dct/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/dct/opr_impl.h b/dnn/src/cuda/dct/opr_impl.h
index cb10b390630d7f1ce917aa83bc82b799cd41e7b9..38991a34ae16ce3660573d8bbd737f11f4ddb984 100644
--- a/dnn/src/cuda/dct/opr_impl.h
+++ b/dnn/src/cuda/dct/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/dct/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/bwd_data/algo.cpp b/dnn/src/cuda/deformable_conv/bwd_data/algo.cpp
index df7ec7228e5577a5786b449c6afcc7b7d76b4ce6..1efb0c247245b9ac4480388c31258973d5f1ac5b 100644
--- a/dnn/src/cuda/deformable_conv/bwd_data/algo.cpp
+++ b/dnn/src/cuda/deformable_conv/bwd_data/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/bwd_data/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/bwd_data/algo.h b/dnn/src/cuda/deformable_conv/bwd_data/algo.h
index af8fcc0d58f436e7198b697be4ff21291533f075..bbc6beb80cd41ca798d6f700a0c432f89af77d49 100644
--- a/dnn/src/cuda/deformable_conv/bwd_data/algo.h
+++ b/dnn/src/cuda/deformable_conv/bwd_data/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/bwd_data/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/bwd_data/algo_matmul.cpp b/dnn/src/cuda/deformable_conv/bwd_data/algo_matmul.cpp
index 5083f1bd6aa47adf35a7aed332f6793a43f08817..83d1786bcbbeea0cd6e97e0b8bbb4871396bbfb5 100644
--- a/dnn/src/cuda/deformable_conv/bwd_data/algo_matmul.cpp
+++ b/dnn/src/cuda/deformable_conv/bwd_data/algo_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/bwd_data/algo_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/bwd_flt/algo.cpp b/dnn/src/cuda/deformable_conv/bwd_flt/algo.cpp
index a726e026c67b2c5927efa41c8738f8253720a9f8..0f4b2d3bc03ec01f4b96be3d60115cb3879af136 100644
--- a/dnn/src/cuda/deformable_conv/bwd_flt/algo.cpp
+++ b/dnn/src/cuda/deformable_conv/bwd_flt/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/bwd_flt/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/bwd_flt/algo.h b/dnn/src/cuda/deformable_conv/bwd_flt/algo.h
index 390cd2ba4d54f6cd1d6f6ca4321407ffbda0be3b..54100708d43325b65695d9f903829c73f179cb44 100644
--- a/dnn/src/cuda/deformable_conv/bwd_flt/algo.h
+++ b/dnn/src/cuda/deformable_conv/bwd_flt/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/bwd_flt/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/bwd_flt/algo_matmul.cpp b/dnn/src/cuda/deformable_conv/bwd_flt/algo_matmul.cpp
index 4efd420492d06c2ba87687093618acb4122c7c74..32b91270ba4637d7fdee778e6a7592cf4dffaeb4 100644
--- a/dnn/src/cuda/deformable_conv/bwd_flt/algo_matmul.cpp
+++ b/dnn/src/cuda/deformable_conv/bwd_flt/algo_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/bwd_flt/algo_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/fwd/algo.cpp b/dnn/src/cuda/deformable_conv/fwd/algo.cpp
index f321011db809a6d1a87ecf301de8072e621be357..f277f572d5cca39a206bc653975711f913f5af51 100644
--- a/dnn/src/cuda/deformable_conv/fwd/algo.cpp
+++ b/dnn/src/cuda/deformable_conv/fwd/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/fwd/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/fwd/algo.h b/dnn/src/cuda/deformable_conv/fwd/algo.h
index 2de2fca90e0a0df5bf17a6ceebf30d7225faf8c7..52cf5ff755791aa1b02b5184612913fa6125df2f 100644
--- a/dnn/src/cuda/deformable_conv/fwd/algo.h
+++ b/dnn/src/cuda/deformable_conv/fwd/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/fwd/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/fwd/algo_matmul.cpp b/dnn/src/cuda/deformable_conv/fwd/algo_matmul.cpp
index b3b49e16988deeff5f7092436dab4feb0fdf1771..ab209e685a18273b942ce8ecafb791eef54314da 100644
--- a/dnn/src/cuda/deformable_conv/fwd/algo_matmul.cpp
+++ b/dnn/src/cuda/deformable_conv/fwd/algo_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/fwd/algo_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cu b/dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cu
index 6ac9ed3cb4318db87501fc2d9ff35a710738a2fe..bea706802ccf55940a775a6551897ee62211c750 100644
--- a/dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cu
+++ b/dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cuh b/dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cuh
index 886fdd38619e9f4eddefa0838e8798461f5e8509..faeedf9e16f229c920c3ba119feb543e199c61c9 100644
--- a/dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cuh
+++ b/dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/kimpl/deformable_conv.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/opr_impl.cpp b/dnn/src/cuda/deformable_conv/opr_impl.cpp
index 16cbe65004aa45b7cbb382337853041f4e6652b0..e38dd4ea95192c0cdc539a5345f3c11330e3b1ca 100644
--- a/dnn/src/cuda/deformable_conv/opr_impl.cpp
+++ b/dnn/src/cuda/deformable_conv/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_conv/opr_impl.h b/dnn/src/cuda/deformable_conv/opr_impl.h
index 1740aedd25da34ab02924aa1eb630f2b81b534bc..6f85a4e15456dbc4ddca013a88c10ed19b82798f 100644
--- a/dnn/src/cuda/deformable_conv/opr_impl.h
+++ b/dnn/src/cuda/deformable_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cu b/dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cu
index 514d1d555afd7aa4f4255ff5a9bf28dd92c33df8..20e5372729730e8861e272c1033520aa0829dbc8 100644
--- a/dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cu
+++ b/dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cuh b/dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cuh
index c5a5e09c9fcef4635c37d4c360943ea23cccc097..248c49e9815a5710a9c73fd76165501dcaa851ee 100644
--- a/dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cuh
+++ b/dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_ps_roi_pooling/kimpl/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.cpp b/dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.cpp
index ea60e40815cb6bd24b7293b0383a8a87c503e1c9..c11d1c8dc32c4c55e4e80900c83e4d7978ae173a 100644
--- a/dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.cpp
+++ b/dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.h b/dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.h
index 92f1da1db81c1ac9b46846d79003b2d51ea8f4f1..0a1858c2efb8e25227a9cb58cf425d5c82fd8b26 100644
--- a/dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.h
+++ b/dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/deformable_ps_roi_pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/dot/dot.cu b/dnn/src/cuda/dot/dot.cu
index 91bb00aece85faa9b7fefb90f9e4573e6ef8ec04..ca51b0a5c0776e0e957a4a29e208a6a2b5f5890a 100644
--- a/dnn/src/cuda/dot/dot.cu
+++ b/dnn/src/cuda/dot/dot.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/dot/dot.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/dot/dot.cuh b/dnn/src/cuda/dot/dot.cuh
index 2aec60c8a3781cd277c2af27c0a83d4d11704977..10a78c0908ba2d19c85f305aad728c6eb8b6e806 100644
--- a/dnn/src/cuda/dot/dot.cuh
+++ b/dnn/src/cuda/dot/dot.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/dot/dot.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/dot/opr_impl.cpp b/dnn/src/cuda/dot/opr_impl.cpp
index aed291fa0db14c62c7eb76e41199f371723efd90..6eddb1a91a356dac712efea32a8ea0f97dd20741 100644
--- a/dnn/src/cuda/dot/opr_impl.cpp
+++ b/dnn/src/cuda/dot/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/dot/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/dot/opr_impl.h b/dnn/src/cuda/dot/opr_impl.h
index 0e3a01462f19a8e1a44cb39d37f4f9782c78e636..11bf2d555393e9e863b957460b18cf64d5a3195e 100644
--- a/dnn/src/cuda/dot/opr_impl.h
+++ b/dnn/src/cuda/dot/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/dot/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise/kern_impl.inl b/dnn/src/cuda/elemwise/kern_impl.inl
index fc7a81cd2d078a69c82720cf22fae9fd01501396..b3057b8afeff5bf9586296610250389f24062db8 100644
--- a/dnn/src/cuda/elemwise/kern_impl.inl
+++ b/dnn/src/cuda/elemwise/kern_impl.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise/kern_impl.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise/kern_wrapper.cuh b/dnn/src/cuda/elemwise/kern_wrapper.cuh
index 441cc163f24848691fde058be9b942fa20af35f4..a1f975728c5397db16c6729b1e9a4e7cbe96b2f9 100644
--- a/dnn/src/cuda/elemwise/kern_wrapper.cuh
+++ b/dnn/src/cuda/elemwise/kern_wrapper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise/kern_wrapper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise/opr_impl.cpp b/dnn/src/cuda/elemwise/opr_impl.cpp
index 2d927dca60712fe7c6d05d0bfecf8845865f00e8..dfc6eaf29daa402704e5969077bfc75ec687c450 100644
--- a/dnn/src/cuda/elemwise/opr_impl.cpp
+++ b/dnn/src/cuda/elemwise/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise/opr_impl.h b/dnn/src/cuda/elemwise/opr_impl.h
index 4c25a0ae86198a2bb3a93e9bde1e4fda692fc4dd..e45e232a15f490571fcb53b4ec9526be56f47c44 100644
--- a/dnn/src/cuda/elemwise/opr_impl.h
+++ b/dnn/src/cuda/elemwise/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise/special_kerns.cuh b/dnn/src/cuda/elemwise/special_kerns.cuh
index 44b9cb923fe461278708eddfaa992a7613032544..2059c27d9c9ad6a02e4413f31e8ed200b659ad8a 100644
--- a/dnn/src/cuda/elemwise/special_kerns.cuh
+++ b/dnn/src/cuda/elemwise/special_kerns.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise/special_kerns.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise/special_kerns.inl b/dnn/src/cuda/elemwise/special_kerns.inl
index 9b3cf59b5c0ef71cbde8cecfb7c7975143dfa097..da776d7dfc3ddef2bf35835a175e7222da34526e 100644
--- a/dnn/src/cuda/elemwise/special_kerns.inl
+++ b/dnn/src/cuda/elemwise/special_kerns.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise/special_kerns.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_helper.cpp b/dnn/src/cuda/elemwise_helper.cpp
index bcec4f0e71c6a6f35bd888230060dbc4e4726a13..65cf17782deb088902b48b21a0617206f9f1530f 100644
--- a/dnn/src/cuda/elemwise_helper.cpp
+++ b/dnn/src/cuda/elemwise_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_helper.cuh b/dnn/src/cuda/elemwise_helper.cuh
index d360ae5d670e08297cd29a3a93e8cb58ad411a91..d95d49f1873a97b164fa075d5ca867df30705bcd 100644
--- a/dnn/src/cuda/elemwise_helper.cuh
+++ b/dnn/src/cuda/elemwise_helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_multi_type/kern.cu b/dnn/src/cuda/elemwise_multi_type/kern.cu
index b6e9b11edc31bff5341adb164c655da18b74456b..d64ba074c1fed370659ec3d6d825ace2478a038d 100644
--- a/dnn/src/cuda/elemwise_multi_type/kern.cu
+++ b/dnn/src/cuda/elemwise_multi_type/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_multi_type/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_multi_type/kern.cuh b/dnn/src/cuda/elemwise_multi_type/kern.cuh
index 32094644033ace2f63718d7b8cc5e8d3547846db..89170ee4d942c25f97c3c1ed46d019ee9f553254 100644
--- a/dnn/src/cuda/elemwise_multi_type/kern.cuh
+++ b/dnn/src/cuda/elemwise_multi_type/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_multi_type/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_multi_type/kern_iXxf32xf32xi8.cu b/dnn/src/cuda/elemwise_multi_type/kern_iXxf32xf32xi8.cu
index 4f503d81d102e5728316ba6c174dca3b5703b20a..03138ce9fe954340dd1839885cca1f11cf5f2f07 100644
--- a/dnn/src/cuda/elemwise_multi_type/kern_iXxf32xf32xi8.cu
+++ b/dnn/src/cuda/elemwise_multi_type/kern_iXxf32xf32xi8.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_multi_type/kern_iXxf32xf32xi8.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_multi_type/kern_impl.inl b/dnn/src/cuda/elemwise_multi_type/kern_impl.inl
index 23553a4d7b9def6fe323131d433f587b673e331c..ccec972af1c2cbb4955a31d112e07c6ad947b3fc 100644
--- a/dnn/src/cuda/elemwise_multi_type/kern_impl.inl
+++ b/dnn/src/cuda/elemwise_multi_type/kern_impl.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_multi_type/kern_impl.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_multi_type/kern_ops.cuh b/dnn/src/cuda/elemwise_multi_type/kern_ops.cuh
index bd5fd62a4199ebfc28bc28c569370b99e9640f43..9dc9322c5beb6fac765b97845791834f7968cad3 100644
--- a/dnn/src/cuda/elemwise_multi_type/kern_ops.cuh
+++ b/dnn/src/cuda/elemwise_multi_type/kern_ops.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_multi_type/kern_ops.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_multi_type/opr_impl.cpp b/dnn/src/cuda/elemwise_multi_type/opr_impl.cpp
index 3b479d2a2e7fab9170ce7a484aaac69dc3d7626b..9108a4c852c01d8c5d2c2d1ddb46248f7756fd95 100644
--- a/dnn/src/cuda/elemwise_multi_type/opr_impl.cpp
+++ b/dnn/src/cuda/elemwise_multi_type/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_multi_type/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/elemwise_multi_type/opr_impl.h b/dnn/src/cuda/elemwise_multi_type/opr_impl.h
index e5b363cad8131ce802f66232d0507ef125002e55..249e14bec2d5d63b65ee020a5f090a7bbf4b42cc 100644
--- a/dnn/src/cuda/elemwise_multi_type/opr_impl.h
+++ b/dnn/src/cuda/elemwise_multi_type/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_multi_type/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/error_info.cuh b/dnn/src/cuda/error_info.cuh
index 58567dd78397963fe692718308d49c82c61ea45f..d95b0a25b3ea49e0bc80deb67cfa257b631d6548 100644
--- a/dnn/src/cuda/error_info.cuh
+++ b/dnn/src/cuda/error_info.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/error_info.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/eye/eye.cu b/dnn/src/cuda/eye/eye.cu
index fecda8adb0e31559da669b1d23eddc080314aff8..e3c36ee4a06730f443a78445849f65559acee1cb 100644
--- a/dnn/src/cuda/eye/eye.cu
+++ b/dnn/src/cuda/eye/eye.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/eye/eye.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/eye/eye.cuh b/dnn/src/cuda/eye/eye.cuh
index 07b3a978c58693f2e638c60f9b5a255baae46760..b6efa8d8bd4593f48c9f5e9aaeb718a95eeb6065 100644
--- a/dnn/src/cuda/eye/eye.cuh
+++ b/dnn/src/cuda/eye/eye.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/eye/eye.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/eye/opr_impl.cpp b/dnn/src/cuda/eye/opr_impl.cpp
index 540fd65241ab7e4bf47b7b993848a1067c838249..83b016ca47a20f453dbe6dbbae514ac672368e56 100644
--- a/dnn/src/cuda/eye/opr_impl.cpp
+++ b/dnn/src/cuda/eye/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/eye/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/eye/opr_impl.h b/dnn/src/cuda/eye/opr_impl.h
index 0268aa8dedbc80f37f27e2b1a719d5d8f71fd6fd..163edaacf27db22ab0248438fb0fdf104eea994d 100644
--- a/dnn/src/cuda/eye/opr_impl.h
+++ b/dnn/src/cuda/eye/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/eye/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/fake_quant/kern.cu b/dnn/src/cuda/fake_quant/kern.cu
index d781e37798949254a2c6643dd73e824a2f91eb05..3321a4e98bcde7c29fad07b7480b1c83f1865c6b 100644
--- a/dnn/src/cuda/fake_quant/kern.cu
+++ b/dnn/src/cuda/fake_quant/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/fake_quant/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/fake_quant/kern.cuh b/dnn/src/cuda/fake_quant/kern.cuh
index 5cc2ed74b115bef5523da30984febef70cbce8d1..5d7fcb6d6209ddf91d56d94e45b4dab191a5d87d 100644
--- a/dnn/src/cuda/fake_quant/kern.cuh
+++ b/dnn/src/cuda/fake_quant/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/elemwise_helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/fake_quant/opr_impl.cpp b/dnn/src/cuda/fake_quant/opr_impl.cpp
index 04ee2480398f0ad23a72727258feed04a6c42279..39d37abf864f3b0212cd84c043c5269a0da7f0c4 100644
--- a/dnn/src/cuda/fake_quant/opr_impl.cpp
+++ b/dnn/src/cuda/fake_quant/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/fake_quant/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/fake_quant/opr_impl.h b/dnn/src/cuda/fake_quant/opr_impl.h
index b4d0b5dab7731ea001c3354139c2c888c79307e3..a8e63bfac0745b5db0ec4ca00ee5704f36af7b51 100644
--- a/dnn/src/cuda/fake_quant/opr_impl.h
+++ b/dnn/src/cuda/fake_quant/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/fake_quant/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/flip/flip.cu b/dnn/src/cuda/flip/flip.cu
index 45d302086dc886273551ce66a8fee899117d971d..9ca2819ddf59616f6e1ba836f46c39f9abf84ca6 100644
--- a/dnn/src/cuda/flip/flip.cu
+++ b/dnn/src/cuda/flip/flip.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/flip/flip.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/flip/flip.cuh b/dnn/src/cuda/flip/flip.cuh
index 48e1ba742edc1f62359ea2f1e73ee7fc1da9874b..f19fab7b0b8f7ac60fda05b24f6b0aa29453a091 100644
--- a/dnn/src/cuda/flip/flip.cuh
+++ b/dnn/src/cuda/flip/flip.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/flip/flip.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/flip/opr_impl.cpp b/dnn/src/cuda/flip/opr_impl.cpp
index 8ceac0befff41a05e3383654f121597119a4eec8..4de71de6c8e3333359cc1025b28c397d32fd21df 100644
--- a/dnn/src/cuda/flip/opr_impl.cpp
+++ b/dnn/src/cuda/flip/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/flip/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/flip/opr_impl.h b/dnn/src/cuda/flip/opr_impl.h
index ee659c4a1b10d422889423506db8a87450191d18..39e5fb24d502c90c653fc7c384b2d652fe51ff6b 100644
--- a/dnn/src/cuda/flip/opr_impl.h
+++ b/dnn/src/cuda/flip/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/flip/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/fp16_help.cuh b/dnn/src/cuda/fp16_help.cuh
index 29c2bc0a408d206115d9a4f584abb0559ec99263..9d39c01cd121c4dc0db1a79e8b2a564a9ac9427e 100644
--- a/dnn/src/cuda/fp16_help.cuh
+++ b/dnn/src/cuda/fp16_help.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/fp16_help.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/gaussian_blur/gaussian_blur.cu b/dnn/src/cuda/gaussian_blur/gaussian_blur.cu
index 69e0a67fcc2e2bcbd66fca150d03e73b9e085cfe..234000fc14194fcbfbf9eea36d3fc4a2626b35db 100644
--- a/dnn/src/cuda/gaussian_blur/gaussian_blur.cu
+++ b/dnn/src/cuda/gaussian_blur/gaussian_blur.cu
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/gaussian_blur/gaussian_blur.cuh b/dnn/src/cuda/gaussian_blur/gaussian_blur.cuh
index 116ce46e8788998702c526abfad16037e6b82e76..4d8780722fdb46d4c2d23178ef3792ea889d3cd6 100644
--- a/dnn/src/cuda/gaussian_blur/gaussian_blur.cuh
+++ b/dnn/src/cuda/gaussian_blur/gaussian_blur.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/gaussian_blur/gaussian_blur.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/gaussian_blur/opr_impl.cpp b/dnn/src/cuda/gaussian_blur/opr_impl.cpp
index 49d7501a59ceb4542737e84f948056a6c5fcf498..b9cf616c7022a1b642beed50557dd95d0fa344df 100644
--- a/dnn/src/cuda/gaussian_blur/opr_impl.cpp
+++ b/dnn/src/cuda/gaussian_blur/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/gaussian_blur/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/gaussian_blur/opr_impl.h b/dnn/src/cuda/gaussian_blur/opr_impl.h
index df472eaab46aa34fa2118c68f6253434fece4615..0486e2e55e7b4b9f92a893f7163687fbc634fa36 100644
--- a/dnn/src/cuda/gaussian_blur/opr_impl.h
+++ b/dnn/src/cuda/gaussian_blur/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/gaussian_blur/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/group_local/bwd_data.cpp b/dnn/src/cuda/group_local/bwd_data.cpp
index 17646f5579affbbc734006ecd56186b54d672474..3b4b523bf83344784ad80d1fc5e1697ebda29e5c 100644
--- a/dnn/src/cuda/group_local/bwd_data.cpp
+++ b/dnn/src/cuda/group_local/bwd_data.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/group_local/bwd_data.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/group_local/bwd_filter.cpp b/dnn/src/cuda/group_local/bwd_filter.cpp
index a2c69d7448427d657e161fac3010d973bf7b29f1..7c7764d5529dc817317e6cae4e97842dc49762dc 100644
--- a/dnn/src/cuda/group_local/bwd_filter.cpp
+++ b/dnn/src/cuda/group_local/bwd_filter.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/group_local/bwd_filter.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/group_local/forward/kern.cu b/dnn/src/cuda/group_local/forward/kern.cu
index e8850f450f938bfc68027171e03fdd85f1a290c9..991cbdb389d4d0fb588a4dc46a8e1ad9b9ba1fc1 100644
--- a/dnn/src/cuda/group_local/forward/kern.cu
+++ b/dnn/src/cuda/group_local/forward/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/group_local/forward/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/group_local/forward/kern.cuh b/dnn/src/cuda/group_local/forward/kern.cuh
index f23c576f4521ea4d76429ae5437307d455ce4f06..e656c2b35b10107decc41cc6236629dcc160bbdc 100644
--- a/dnn/src/cuda/group_local/forward/kern.cuh
+++ b/dnn/src/cuda/group_local/forward/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/group_local/cuda_interface.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/group_local/forward/opr_impl.cpp b/dnn/src/cuda/group_local/forward/opr_impl.cpp
index 23d10e04a2550d2a57415c6b04839073216742bb..e51c498a348fbe8618ad71903d6d49fabca3ca30 100644
--- a/dnn/src/cuda/group_local/forward/opr_impl.cpp
+++ b/dnn/src/cuda/group_local/forward/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/group_local/forward/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/group_local/opr_impl.h b/dnn/src/cuda/group_local/opr_impl.h
index 33dacf68bb5703d6888059b36e2cd8548970ffdb..1cbfb50b0531c0d66421fe5da912291913c808de 100644
--- a/dnn/src/cuda/group_local/opr_impl.h
+++ b/dnn/src/cuda/group_local/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/group_local/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/handle.cpp b/dnn/src/cuda/handle.cpp
index b52e0015d322f0791437bd6c5cb61ecce4ad140f..d54218ade5743520bad6fb0e76b642df34df6b39 100644
--- a/dnn/src/cuda/handle.cpp
+++ b/dnn/src/cuda/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/handle.h b/dnn/src/cuda/handle.h
index c4ac6ac2e860ea8de6172a351d48d17b7b79ba51..400998fa462bf49b8a3dd4ff574a1b484c56152d 100644
--- a/dnn/src/cuda/handle.h
+++ b/dnn/src/cuda/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/handle_create.cpp b/dnn/src/cuda/handle_create.cpp
index ce01a1acae2b2998ffe9ee948bb6f5fc90fb82a0..3b9270390a71dc55b98fd6130c721630a8e58890 100644
--- a/dnn/src/cuda/handle_create.cpp
+++ b/dnn/src/cuda/handle_create.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/handle_create.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/images2neibs/kernel.cu b/dnn/src/cuda/images2neibs/kernel.cu
index 0cc8f1f7859d9698eae58364b7cabf4c645bc9ee..c972548179ccf1bc0cae40d4f92acb4c3dfd743f 100644
--- a/dnn/src/cuda/images2neibs/kernel.cu
+++ b/dnn/src/cuda/images2neibs/kernel.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/images2neibs/kernel.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/images2neibs/kernel.cuh b/dnn/src/cuda/images2neibs/kernel.cuh
index 7d2c614ead361c8433e9016aea0cdff65aaf72e1..a25ff996096ce6e3c58b8518e0d58b3e2f56f7e8 100644
--- a/dnn/src/cuda/images2neibs/kernel.cuh
+++ b/dnn/src/cuda/images2neibs/kernel.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/images2neibs/kernel.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/images2neibs/opr_impl.cpp b/dnn/src/cuda/images2neibs/opr_impl.cpp
index a8dee41b82c0ea65fb9cda30090d0f944ff44ee2..dd642191ce54717c0507d0889a806a980f4c9194 100644
--- a/dnn/src/cuda/images2neibs/opr_impl.cpp
+++ b/dnn/src/cuda/images2neibs/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/images2neibs/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/images2neibs/opr_impl.h b/dnn/src/cuda/images2neibs/opr_impl.h
index beefbd190dac83e9a9245479749603e0fc7aef03..01e198a55c0c6374300af23b7f8c5a7f19fefeb7 100644
--- a/dnn/src/cuda/images2neibs/opr_impl.h
+++ b/dnn/src/cuda/images2neibs/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/images2neibs/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_multi_axis_vec/kern.cuh b/dnn/src/cuda/indexing_multi_axis_vec/kern.cuh
index 4da3319c64dc709bed3aba90ca2f8001afc3ea63..ca9e56ce4968534958fca2955811e51c954c3e65 100644
--- a/dnn/src/cuda/indexing_multi_axis_vec/kern.cuh
+++ b/dnn/src/cuda/indexing_multi_axis_vec/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_multi_axis_vec/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_fwd.cu b/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_fwd.cu
index 2a17cfcf88812e78796e60af93f4584e386da4f7..1a25f30ed277b8c37258397bc41922377555f016 100644
--- a/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_fwd.cu
+++ b/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_fwd.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_fwd.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_impl.cuinl b/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_impl.cuinl
index de8ec0338737c4c10fa924f0e39510f06a223cf1..6d9e1032a3c5e8627de40388aa9284cb7930c87f 100644
--- a/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_impl.cuinl
+++ b/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_impl.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_impl.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_incr.cu b/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_incr.cu
index cfefef12ea05406976f1a90b7864275dacc16f64..a1601745b9ef746a13ef2cb17a68c984a44f2370 100644
--- a/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_incr.cu
+++ b/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_incr.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_incr.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_set.cu b/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_set.cu
index a004c829f51efa92b090e47c658755642b7dca7d..6199fdb003311d979d1e71616cd28bd51555ee5f 100644
--- a/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_set.cu
+++ b/dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_set.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_multi_axis_vec/kern_apply_opr_set.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_multi_axis_vec/kern_gen_offset_base.cu b/dnn/src/cuda/indexing_multi_axis_vec/kern_gen_offset_base.cu
index 46db387a962f226d7127d25d61986f1756bc27ea..27b857ffdd1ceb6283cd14936a12c5ad97747dd3 100644
--- a/dnn/src/cuda/indexing_multi_axis_vec/kern_gen_offset_base.cu
+++ b/dnn/src/cuda/indexing_multi_axis_vec/kern_gen_offset_base.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_multi_axis_vec/kern_gen_offset_base.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_multi_axis_vec/opr_impl.cpp b/dnn/src/cuda/indexing_multi_axis_vec/opr_impl.cpp
index 85b8346813bcc4bf3ab511c12c3013e37bb880af..a3bc6919fa75fb83a8792adf247cd619d3ec80e5 100644
--- a/dnn/src/cuda/indexing_multi_axis_vec/opr_impl.cpp
+++ b/dnn/src/cuda/indexing_multi_axis_vec/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_multi_axis_vec/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_multi_axis_vec/opr_impl.h b/dnn/src/cuda/indexing_multi_axis_vec/opr_impl.h
index 386c4214d2dc38cb48c6143b565614d796e3a5d1..6ebd88f6d0a48b5b6eeea9c4aa3ec5a3e3fe2bad 100644
--- a/dnn/src/cuda/indexing_multi_axis_vec/opr_impl.h
+++ b/dnn/src/cuda/indexing_multi_axis_vec/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_multi_axis_vec/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_one_hot/kern.cu b/dnn/src/cuda/indexing_one_hot/kern.cu
index 34c84045f173d362fd436009c633cfa5bcd35e2c..52d60497cebd1217f50c5ae82fe2c0045f7f1f34 100644
--- a/dnn/src/cuda/indexing_one_hot/kern.cu
+++ b/dnn/src/cuda/indexing_one_hot/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_one_hot/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_one_hot/kern.cuh b/dnn/src/cuda/indexing_one_hot/kern.cuh
index c6d83a5b3f85eed1d1fbebfc712af96b8cd617bd..08c7b5fe017814bd01a6ab36d67c0bb529e7f07f 100644
--- a/dnn/src/cuda/indexing_one_hot/kern.cuh
+++ b/dnn/src/cuda/indexing_one_hot/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_one_hot/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_one_hot/opr_impl.cpp b/dnn/src/cuda/indexing_one_hot/opr_impl.cpp
index 758b2ddbae5f265474ecff1e4e5a98099ae4a669..e23be960de923138dbb7897128cb1613aca937e2 100644
--- a/dnn/src/cuda/indexing_one_hot/opr_impl.cpp
+++ b/dnn/src/cuda/indexing_one_hot/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_one_hot/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/indexing_one_hot/opr_impl.h b/dnn/src/cuda/indexing_one_hot/opr_impl.h
index 302a3247ab06b293a065e3a441369628eb61fc53..dac8b38aeb59eef47cff179175ff07faba7b97e2 100644
--- a/dnn/src/cuda/indexing_one_hot/opr_impl.h
+++ b/dnn/src/cuda/indexing_one_hot/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/indexing_one_hot/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/int_fastdiv.cpp b/dnn/src/cuda/int_fastdiv.cpp
index 055622d000d1ad655ad69bf49453bc36e14fc5a4..f56e1beb8c5e1e01486e87291d5b4795ffa6983c 100644
--- a/dnn/src/cuda/int_fastdiv.cpp
+++ b/dnn/src/cuda/int_fastdiv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/int_fastdiv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/int_fastdiv.cuh b/dnn/src/cuda/int_fastdiv.cuh
index ac12df098ab162ba972a498faa4c339302ad8264..02d746284531e9e38fc75d880c92526c59b0268e 100644
--- a/dnn/src/cuda/int_fastdiv.cuh
+++ b/dnn/src/cuda/int_fastdiv.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/int_fastdiv.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/linspace/linspace.cu b/dnn/src/cuda/linspace/linspace.cu
index dba450f6716c87b888a22f3a7625312757e5eb44..4aa01df5d7de6dff3a81620dc8deeb0fdf7522a7 100644
--- a/dnn/src/cuda/linspace/linspace.cu
+++ b/dnn/src/cuda/linspace/linspace.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/linspace/linspace.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/linspace/linspace.cuh b/dnn/src/cuda/linspace/linspace.cuh
index 9398f986d6e1d2837146c7d3bbb76704956ef0b0..75a4d5a8531fe2967de70002bc04e4d3cdf062dd 100644
--- a/dnn/src/cuda/linspace/linspace.cuh
+++ b/dnn/src/cuda/linspace/linspace.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/linspace/linspace.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/linspace/opr_impl.cpp b/dnn/src/cuda/linspace/opr_impl.cpp
index af796fa76ad4345d7179412108d2575de1928d7e..8dde1b99ce61d6c74ed58a5b3b1b19c6b0b378b8 100644
--- a/dnn/src/cuda/linspace/opr_impl.cpp
+++ b/dnn/src/cuda/linspace/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/linspace/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/linspace/opr_impl.h b/dnn/src/cuda/linspace/opr_impl.h
index 17ff525ae5a47d09984f68e5abdbdd535fb01da7..7cac7da57db68252dd67e006e09f2cefc1936aed 100644
--- a/dnn/src/cuda/linspace/opr_impl.h
+++ b/dnn/src/cuda/linspace/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/linspace/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/backward_data.cpp b/dnn/src/cuda/local/backward_data.cpp
index 15a724ac78ebcbf0b35beca0da34422c41840a36..52881d44cd6f0146839c1ce19c34d68affeaa6c7 100644
--- a/dnn/src/cuda/local/backward_data.cpp
+++ b/dnn/src/cuda/local/backward_data.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/backward_data.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/backward_data.cu b/dnn/src/cuda/local/backward_data.cu
index 47ad86c2a7e1b030125a3a9d8480fdf2ce977740..9115d4b3911ae497b52eb9a5404d143a5520826e 100644
--- a/dnn/src/cuda/local/backward_data.cu
+++ b/dnn/src/cuda/local/backward_data.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/backward_data.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/backward_filter.cpp b/dnn/src/cuda/local/backward_filter.cpp
index 03a1d7d89aa00ca5e900de1459fab7baedcf157b..0bf31076124e5ee21dd8a9c0add790bc108a15b2 100644
--- a/dnn/src/cuda/local/backward_filter.cpp
+++ b/dnn/src/cuda/local/backward_filter.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/backward_filter.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/backward_filter.cu b/dnn/src/cuda/local/backward_filter.cu
index 8902b392c0e457caa4c4e37db15bfd9bbe16de73..28fd6274a7e625c590cd50967990035995a30498 100644
--- a/dnn/src/cuda/local/backward_filter.cu
+++ b/dnn/src/cuda/local/backward_filter.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/backward_filter.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/LICENSE b/dnn/src/cuda/local/cuda-convnet2/LICENSE
index fad671d62af3d05fbdd0a8705aa88eee508bb65c..4eff800f1914384d128f7da0951a2fb7deac2f57 100644
--- a/dnn/src/cuda/local/cuda-convnet2/LICENSE
+++ b/dnn/src/cuda/local/cuda-convnet2/LICENSE
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/LICENSE
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/cudaconv2.cuh b/dnn/src/cuda/local/cuda-convnet2/cudaconv2.cuh
index e846cff9fbd264e2772b1f4ece6462bf3eb3772f..b90543807df543647062fa113a51f1a785e02104 100644
--- a/dnn/src/cuda/local/cuda-convnet2/cudaconv2.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/cudaconv2.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/cudaconv2.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts.cu
index ef3d716d202beba6f84ab4450e5bd8e3874224f4..7a272dc1c078d4bb86eea3411debbd16179748c3 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color.cuh b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color.cuh
index d15040bc041b99f7ac72f80ef821b5eea80fa589..a55bb2b00e0cac2e4836fda5bc01d075430bdb61 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg0.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg0.cu
index a8d65af64a0aff489ee7f4521e7a19061f911d3d..886c7f870ea06689b8a39165eff73701b007e842 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg0.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg0.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg0.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg1.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg1.cu
index 1c0a782a0905fe21840b8499631caf5efcf2ce13..2ce155040f825952b32b61155fa88c45bd3d47d2 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg1.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg1.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale0_ckimg1.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg0.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg0.cu
index 6f96b48d7b4bc178f5b104ec4355c35a3304a3d9..d57f1d1e057cffdcad5ce3261af90bf29c92e570 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg0.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg0.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg0.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg1.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg1.cu
index 969ce077ccc1d692fe2ba3db09446b2c9ba63db4..e64f9a0829896628cc45e82fbfd7b3947e52fd7e 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg1.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg1.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_color_scale1_ckimg1.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2.cuh b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2.cuh
index 6bdb9fdc10a682c660aefbbbe64f814bfe4559d5..a2ac21d641e53cf74dadaccde8c0036c160fd68b 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg0.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg0.cu
index 5b56a76ce944fe488822ce9bc7f5b90f34c6809c..b8b0e0fd41b6688fba2f52d31cae7e42913fd62d 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg0.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg0.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg0.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg1.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg1.cu
index bca263a742adfa93fb81a09d2fd1897bf63b5226..8c6801219d7fb65ee7344c398b8d7bc09aab2dea 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg1.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg1.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale0_ckimg1.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg0.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg0.cu
index d643271c05e3f96b089bd76a1cd84b160ad55bdc..6639ce528bac81f60a9b8bf05d94df0ad3de0fb8 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg0.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg0.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg0.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg1.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg1.cu
index 764c01c1fe20be40cbb7615a6083cb35b490d91b..22267a725724c17eac087c071df44622d3ffb7e3 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg1.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg1.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_scale1_ckimg1.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_y4x32i4f16c4_tex.cu b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_y4x32i4f16c4_tex.cu
index e924b72ff4023eaf6604939ae48e6532444aaac0..6463d00ad64407d0e1eb4a4d1354f50801604fa7 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_y4x32i4f16c4_tex.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_y4x32i4f16c4_tex.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_sparse2_y4x32i4f16c4_tex.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_templates.cuh b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_templates.cuh
index 46b204a87bea58767a8d4d2d693dfeaa6fd2f69d..5bcbd35b8d0d0d11759cd19efb876f2c0757d984 100644
--- a/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_templates.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_templates.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/filter_acts/filter_act_templates.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/helper_cuda.h b/dnn/src/cuda/local/cuda-convnet2/helper_cuda.h
index 73b3426c6c5852503f4ee88019fd57d2434eab6e..25425895fa4c4fc7ae08eb6061c64823cda33e6e 100644
--- a/dnn/src/cuda/local/cuda-convnet2/helper_cuda.h
+++ b/dnn/src/cuda/local/cuda-convnet2/helper_cuda.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/helper_cuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
@@ -13,7 +13,7 @@
  *
  * This file is part of MegDNN, a deep neural network run-time library * developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  */
 
 #pragma once
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts.cu b/dnn/src/cuda/local/cuda-convnet2/img_acts.cu
index ea1e7ed12f4ad845c7c79eb7b6cd6fd2c291b023..43ff6d96f8b83b3cdbb2acc39c2c740318cac398 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color.cuh b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color.cuh
index 672bc1afd7436a59c7f4cadef13df26093503f35..5426455f48d2946d21a61f064583118c3f978753 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ff.cu b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ff.cu
index fd4f7a9e172f68355df3b01be176cb81c66f5a55..dee1bacf1366b80c35b2ae3de69b42d9fedae98f 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ff.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ff.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ff.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ft.cu b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ft.cu
index d412a0cf4857f5577626096a4ea2cbdc27cf40fc..9f826f7be961af90e475348cd73285ae9900588b 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ft.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ft.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_color_ft.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor.cuh b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor.cuh
index eaf13217256ebc4889e80cd4f4d2c828345b2c76..d7f4f8a9708293eaab154f1ab3e6db21065d0ec9 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler.cuh b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler.cuh
index b893653a5ee178a4bd64f6ada3ce4d20bd9456ea..b247c0ed9187c51eb7734a1731f27b336bf13849 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_fff.cu b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_fff.cu
index 027efb9aef32678f8722419c00485477a98303aa..4c7ff1fc8988bf4f9aa0714d0bb02da027edd153 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_fff.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_fff.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_fff.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_ftf.cu b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_ftf.cu
index c90d94b23322593d1f16aac8feaffa0b7bb17dd5..eef8488075af3ea675055044287dd4b413cf97ce 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_ftf.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_ftf.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_manycolor_kepler_ftf.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cu b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cu
index 5a0104607ecfe3226cdada22986ab5ca2d2a842f..3110d147f713abf04dd36bdddbea2d5fc2f525bd 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cuh b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cuh
index e99b4e621ef6b0bb8b19bc8d4eb977e7638143aa..14d512f9844de50c34298cb818b39a3190ebb1fe 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_medium_color.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_templates.cuh b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_templates.cuh
index 11d0fdaf751c6c6191a0692bcd005afc7031076b..e73c163e98f1054581e1ba9a2327ce3d8e421518 100644
--- a/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_templates.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_templates.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/img_acts/img_act_templates.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/nvmatrix.cuh b/dnn/src/cuda/local/cuda-convnet2/nvmatrix.cuh
index 0e8c66c7b4f3b0f66ba31b99624cf81cf712af10..98e61b64db22ee487f283239a8f028cb472183be 100644
--- a/dnn/src/cuda/local/cuda-convnet2/nvmatrix.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/nvmatrix.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/nvmatrix.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts.cu
index 99fe74653343344f9195d8231ac395a743838a5c..45b51d43d6c462076e7b296e348bda03b9d7cbfd 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ff.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ff.cu
index 89ed3ceee2ba738fb01b79cbacc46be890837428..3b7d31e79407eafbdfe2ea641d51c4411c1ceba6 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ff.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ff.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ff.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ft.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ft.cu
index be22458b850e25c713b3aee74564de298eaf6902..1862e4767b9ea4668a12ebfe462cb1bb9dc13769 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ft.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ft.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_1_ft.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ff.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ff.cu
index ff4a5eb2f770d1291e6803ee0372de65ad6b8626..05c8c07cfe66416352c72aa4a4cd5d0fcb638cdb 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ff.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ff.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ff.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ft.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ft.cu
index 339bec6238b61f68f0a4070865d062876cc9f9bf..62b589ae6e90d86b6262e703e18e849bfaadfc2a 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ft.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ft.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_2_ft.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ff.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ff.cu
index 5af43a1eabaf632950520b736904bb2ac06da570..4ed6d12c388fced99c3b43a5b1584c747a910103 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ff.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ff.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ff.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ft.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ft.cu
index fd6cd284ff529812127f50fbf3b925a9494a1c26..6addd9334d4df9674abea57aeb10548141e49314 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ft.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ft.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_c_3_ft.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
@@ -23,7 +23,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * --------------------------------------------------------------------------
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * * Refactor kernels for seperate compilation
  * --------------------------------------------------------------------------
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_f4.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_f4.cu
index c3ae3d2694ff6b460615ff7d6e710047ec090351..9a03ee3027e104dcd9ffbcf00c47daf5e92e9267 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_f4.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_f4.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_f4.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_pt_4.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_pt_4.cu
index a5de5b13f6ffc27529fdca8cc9ae7b17c85b6760..16d15216c65215e972a725fb54a035be682c277d 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_pt_4.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_pt_4.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_16_pt_4.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_8.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_8.cu
index d39fe50951e83154a1ef64c1d28288285a041452..1239757bc9efe6383b1ea78ea6e13f0de109d246 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_8.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_8.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/weight_acts_c_kepler_sw_by_8.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler.cuh b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler.cuh
index 4ef3ef6a0b482b7c0c4dee135d18b838ef72ca40..679c76cb9bae8fa3e1bc9b20762fba6154274048 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler_sw.cuh b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler_sw.cuh
index baba1458772927129f7bc5ccf091a0e081c4bb59..327c6690aa1ce7c6444733d2419b15331e64b154 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler_sw.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler_sw.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_c_kepler_sw.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler.cuh b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler.cuh
index b75ed25e1c918f2f4b19fa8ae1c232cb7213162e..629a9c47d53788b57918c10bd1f0c52738995208 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw.cuh b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw.cuh
index 96f2f944bf325753ce2e217a94468b4484a034b8..f5644c7b70b503d50060cdad98d88333e4b392ed 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_A_scale_f.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_A_scale_f.cu
index e726d090389a03011a822843585b441b3e3f0e4b..cf3491828c9fd4462e43a6cd06dbaed86c63b924 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_A_scale_f.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_A_scale_f.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_A_scale_f.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_B_scale_f.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_B_scale_f.cu
index 5d0e752f54282b3d04369efc7177c25d4ed3a4e4..0dac2a75fec5ec8d0e652ed2e3e91bc4e46c15e7 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_B_scale_f.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_B_scale_f.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_B_scale_f.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_C_scale_f.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_C_scale_f.cu
index 66fd584375245acca03e2cc548aef912a68d6219..94f47dbfa5d64ffbbb5204b71749f3863301778d 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_C_scale_f.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_C_scale_f.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_C_scale_f.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_D_scale_f.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_D_scale_f.cu
index d6833e5293fc08254b0b6b0ab3c1bf7f08a335d9..4359f30388576b38125a3a505e3dbca387c1dfb0 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_D_scale_f.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_D_scale_f.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_4_D_scale_f.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_A_scale_f.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_A_scale_f.cu
index a9e4807101c539908f229fa3ef42e7fe714ad136..a768af5b13045679fb16b1e794030c893599f362 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_A_scale_f.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_A_scale_f.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_A_scale_f.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_B_scale_f.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_B_scale_f.cu
index 9ab95d72e9c9be2b70a29ab253150048e1059e88..8095edaf044cd103305f0ffa5d41fe575a4ef247 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_B_scale_f.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_B_scale_f.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_B_scale_f.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_C_scale_f.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_C_scale_f.cu
index 902a2d0a01bb2e98cd60f7ca078e4572ab594fcb..52f350892ab87db68530e1f90dadb358f1f264e4 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_C_scale_f.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_C_scale_f.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_C_scale_f.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_D_scale_f.cu b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_D_scale_f.cu
index b896dfb3615c865dbecb2c6fdfb3ce7d387403f2..bdcb08af8e9f04caa9de9cf582a8a9cbea40146b 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_D_scale_f.cu
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_D_scale_f.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_mc_mf_kepler_sw_by_8_D_scale_f.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_templates.cuh b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_templates.cuh
index 14323838170e5da5f2bb3408fd7e316c4839784a..ae2f7b7178c7b04b2156f2b7f51a5d7dac6e15c8 100644
--- a/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_templates.cuh
+++ b/dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_templates.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/cuda-convnet2/weight_acts/wet_act_templates.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/forward.cpp b/dnn/src/cuda/local/forward.cpp
index 963a275ac14f5234439b8f9dd076a81c78ce9bdd..2649460426f6795490360484194f8d489bcb90e5 100644
--- a/dnn/src/cuda/local/forward.cpp
+++ b/dnn/src/cuda/local/forward.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/forward.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/forward.cu b/dnn/src/cuda/local/forward.cu
index b18f7ac4ac25fec19671bb0cb5b0478ff3eebf19..0a1bf6e7be08852f0ba8972616a50022b7ad4c8b 100644
--- a/dnn/src/cuda/local/forward.cu
+++ b/dnn/src/cuda/local/forward.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/forward.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/local.cuh b/dnn/src/cuda/local/local.cuh
index de601288769f0f2eb8780df02c2b19ef1d12a7ca..142a2b3eae40170755810d63172d482fe39af064 100644
--- a/dnn/src/cuda/local/local.cuh
+++ b/dnn/src/cuda/local/local.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/local.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local/opr_impl.h b/dnn/src/cuda/local/opr_impl.h
index 81d76967412f4f3bff0c184e88789195f11f14de..5ecbbd0d719673dc950f3b5da234acc27cd93c92 100644
--- a/dnn/src/cuda/local/opr_impl.h
+++ b/dnn/src/cuda/local/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_data/algo.cpp b/dnn/src/cuda/local_share/backward_data/algo.cpp
index ec4afd4977851214df00b916711ab9c6d471e0ab..34592a272065741e25179acfd7a5c4e882bcecbf 100644
--- a/dnn/src/cuda/local_share/backward_data/algo.cpp
+++ b/dnn/src/cuda/local_share/backward_data/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_data/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_data/algo.h b/dnn/src/cuda/local_share/backward_data/algo.h
index e4a62b38add57b3145dc5a841096a2f072cfd5c8..e908b9fca227ea36b88ac316d17e84280cb755f5 100644
--- a/dnn/src/cuda/local_share/backward_data/algo.h
+++ b/dnn/src/cuda/local_share/backward_data/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_data/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_data/batched_matmul.cpp b/dnn/src/cuda/local_share/backward_data/batched_matmul.cpp
index afff3129491830a7272c2624537b10b8efefc485..2c82e27c1b2f8eb6e05ed0495bddc6e3c39968a5 100644
--- a/dnn/src/cuda/local_share/backward_data/batched_matmul.cpp
+++ b/dnn/src/cuda/local_share/backward_data/batched_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_data/batched_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_data/implicit_gemm.cpp b/dnn/src/cuda/local_share/backward_data/implicit_gemm.cpp
index e2ab50fa1030a4a62c0458abb100f17495a31a24..21ac3d2bc3e9465395bc3876a2dda2e27c0fb672 100644
--- a/dnn/src/cuda/local_share/backward_data/implicit_gemm.cpp
+++ b/dnn/src/cuda/local_share/backward_data/implicit_gemm.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_data/implicit_gemm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_data/local_share_bwd_data.cuh b/dnn/src/cuda/local_share/backward_data/local_share_bwd_data.cuh
index 45ba41488e4cf71c52d51b2dbc2903e8e2bbfba6..feadb88c1d613344a025102b814c9fad414be6ad 100644
--- a/dnn/src/cuda/local_share/backward_data/local_share_bwd_data.cuh
+++ b/dnn/src/cuda/local_share/backward_data/local_share_bwd_data.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_data/local_share_bwd_data.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_data/local_share_bwd_data_f32_implicit_gemm.cu b/dnn/src/cuda/local_share/backward_data/local_share_bwd_data_f32_implicit_gemm.cu
index e4a6246210f64885f903a6886474862c19a4ab77..f377a5ac12eaeb9eb8599707633fbf1e5cb174dd 100644
--- a/dnn/src/cuda/local_share/backward_data/local_share_bwd_data_f32_implicit_gemm.cu
+++ b/dnn/src/cuda/local_share/backward_data/local_share_bwd_data_f32_implicit_gemm.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_data/local_share_bwd_data_f32_implicit_gemm.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_filter/algo.cpp b/dnn/src/cuda/local_share/backward_filter/algo.cpp
index f5350ba0aa198693f68bbf751d2d00222c840efd..6f6981a8f7ede7b5776778d658b7be534a02a75c 100644
--- a/dnn/src/cuda/local_share/backward_filter/algo.cpp
+++ b/dnn/src/cuda/local_share/backward_filter/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_filter/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_filter/algo.h b/dnn/src/cuda/local_share/backward_filter/algo.h
index 83190674c62c64975104151577ac05533d6b4420..33ba915a2c8f95ddc263acc2b2d136ea1ad9fc7e 100644
--- a/dnn/src/cuda/local_share/backward_filter/algo.h
+++ b/dnn/src/cuda/local_share/backward_filter/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_filter/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_filter/batched_matmul.cpp b/dnn/src/cuda/local_share/backward_filter/batched_matmul.cpp
index ed73d0397518fb1e159fceaf4429c983bbf4540c..2c27f1af2a0e403c8e3f5b7e05e1166c15b4ced5 100644
--- a/dnn/src/cuda/local_share/backward_filter/batched_matmul.cpp
+++ b/dnn/src/cuda/local_share/backward_filter/batched_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_filter/batched_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_filter/implicit_gemm.cpp b/dnn/src/cuda/local_share/backward_filter/implicit_gemm.cpp
index eca5aead53d7f6e410f9f1d9eaa881a7395fed6a..e5c7ad65eb99d85d2d604ae8f21b1b6bd9af7c73 100644
--- a/dnn/src/cuda/local_share/backward_filter/implicit_gemm.cpp
+++ b/dnn/src/cuda/local_share/backward_filter/implicit_gemm.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_filter/implicit_gemm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter.cuh b/dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter.cuh
index 7fac515d93b4bd160d3f2d725094c4f86002ed53..5671cdc05e87480178f482d3bf8bc602a37bf01b 100644
--- a/dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter.cuh
+++ b/dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter_f32_implicit_gemm.cu b/dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter_f32_implicit_gemm.cu
index bd872ce006c2c290e1cc1ab4c34574b00727f6ba..a5ae40a2a2e8582390ee91a07ed0e166bbf54a0c 100644
--- a/dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter_f32_implicit_gemm.cu
+++ b/dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter_f32_implicit_gemm.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/backward_filter/local_share_bwd_filter_f32_implicit_gemm.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/forward/algo.cpp b/dnn/src/cuda/local_share/forward/algo.cpp
index 3f8b01803bed709ac50f07e8e9b4e4d836f94f9d..822c19ab1be1b5c1f2982f0fa4be441951808950 100644
--- a/dnn/src/cuda/local_share/forward/algo.cpp
+++ b/dnn/src/cuda/local_share/forward/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/forward/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/forward/algo.h b/dnn/src/cuda/local_share/forward/algo.h
index 0063f2d5e54f340246ca428feb656083aed6f11d..b78033d94d49c0c5240fe4fcdb567c44f7db60ee 100644
--- a/dnn/src/cuda/local_share/forward/algo.h
+++ b/dnn/src/cuda/local_share/forward/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/forward/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/forward/batch_size_aware_chwn.cpp b/dnn/src/cuda/local_share/forward/batch_size_aware_chwn.cpp
index f4620e72dcf5019673733409d5334b1ab3c6cae3..3db59138e7c83134349e0ba6ffd1142307dd83fc 100644
--- a/dnn/src/cuda/local_share/forward/batch_size_aware_chwn.cpp
+++ b/dnn/src/cuda/local_share/forward/batch_size_aware_chwn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/forward/batch_size_aware_chwn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/forward/batch_size_aware_chwn_small_image.cpp b/dnn/src/cuda/local_share/forward/batch_size_aware_chwn_small_image.cpp
index 632539ba58cae094f4f54a1f531f7d770d9f3c74..649615626c3845e49c9a62ef262a22ff0f9f385e 100644
--- a/dnn/src/cuda/local_share/forward/batch_size_aware_chwn_small_image.cpp
+++ b/dnn/src/cuda/local_share/forward/batch_size_aware_chwn_small_image.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/forward/batch_size_aware_chwn_small_image.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/forward/batched_matmul.cpp b/dnn/src/cuda/local_share/forward/batched_matmul.cpp
index af08ec3974771ac6a4a2c2f9ba7204b1253d69c4..642645672ea8e93652acea0868f1cfaa00fbfb9f 100644
--- a/dnn/src/cuda/local_share/forward/batched_matmul.cpp
+++ b/dnn/src/cuda/local_share/forward/batched_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/forward/batched_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/forward/local_share_forward.cuh b/dnn/src/cuda/local_share/forward/local_share_forward.cuh
index 5beec8482dd082c4cf7aa56086ec1a57c63b0746..867ec8204afbad8f29f80d636c0475c2ae0dd52a 100644
--- a/dnn/src/cuda/local_share/forward/local_share_forward.cuh
+++ b/dnn/src/cuda/local_share/forward/local_share_forward.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/forward/local_share_forward.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware.cu b/dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware.cu
index 041765c872771d5645c4acc9b363139ef37f09f4..4def8df1f8d6a6517168f6b77e0407f076f33a99 100644
--- a/dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware.cu
+++ b/dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware_small_image.cu b/dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware_small_image.cu
index 7b05f9f535cc5a312abfa670c553d026f6f4261c..5279b2954ac750b208ed03a61f80693a48836885 100644
--- a/dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware_small_image.cu
+++ b/dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware_small_image.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/forward/local_share_fwd_chwn_f32_batch_size_aware_small_image.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/helper.cpp b/dnn/src/cuda/local_share/helper.cpp
index e41dbe095c1a82586e8a770dfa6503645aa9eb47..272209125d5c17979a3bc5b6ef241a6fc9fa3d76 100644
--- a/dnn/src/cuda/local_share/helper.cpp
+++ b/dnn/src/cuda/local_share/helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/helper.cuh b/dnn/src/cuda/local_share/helper.cuh
index 27468efffb73c4f69d761d3ec677071eebd2c4b5..67ae1deed22242d2e9d24b4a76ef2bd1314b84fb 100644
--- a/dnn/src/cuda/local_share/helper.cuh
+++ b/dnn/src/cuda/local_share/helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/im2col.cu b/dnn/src/cuda/local_share/im2col.cu
index 0523571f1ed4898df324c48628368bcf4c9f95c5..8856fab3e7bf00f03420df22740cc37910f712be 100644
--- a/dnn/src/cuda/local_share/im2col.cu
+++ b/dnn/src/cuda/local_share/im2col.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/im2col.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/im2col.cuh b/dnn/src/cuda/local_share/im2col.cuh
index 702a5a4f8cb9fc820e1db133c2d13b260b25c0ac..c57fdae24ae85f1d5a8361eacc82f1cdf2792493 100644
--- a/dnn/src/cuda/local_share/im2col.cuh
+++ b/dnn/src/cuda/local_share/im2col.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/im2col.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/opr_impl.cpp b/dnn/src/cuda/local_share/opr_impl.cpp
index 054ffa481c8a5abd42123580eb4500a9912d4d39..93705f6a2a29c5419701396a476bb808a44e87ad 100644
--- a/dnn/src/cuda/local_share/opr_impl.cpp
+++ b/dnn/src/cuda/local_share/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/local_share/opr_impl.h b/dnn/src/cuda/local_share/opr_impl.h
index 4d404155daed47ba38a53a33bbfd4bddecabcd0b..28bc12bdec895dc907bd56fc5f10a23c8abb8b5f 100644
--- a/dnn/src/cuda/local_share/opr_impl.h
+++ b/dnn/src/cuda/local_share/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/local_share/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/lrn/opr_impl.cpp b/dnn/src/cuda/lrn/opr_impl.cpp
index 9310d7ffb4907931f5584ce86af378c2636b9c82..50afa1d12d9d6ffc4a44099436bbc79be04885e9 100644
--- a/dnn/src/cuda/lrn/opr_impl.cpp
+++ b/dnn/src/cuda/lrn/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/lrn/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/lrn/opr_impl.h b/dnn/src/cuda/lrn/opr_impl.h
index 251b6535d4752f35afcbd7c348eee431203a8a3e..1a91f2ef225dcfc6651d66c5e8cb38aa9837854e 100644
--- a/dnn/src/cuda/lrn/opr_impl.h
+++ b/dnn/src/cuda/lrn/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/lrn/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/mask_conv/mask_conv.cu b/dnn/src/cuda/mask_conv/mask_conv.cu
index 8514cf8e736f491b06be189585ee09fe4a3177f9..c89638d846dbaab9f32890f85dcc99d30a4d302d 100644
--- a/dnn/src/cuda/mask_conv/mask_conv.cu
+++ b/dnn/src/cuda/mask_conv/mask_conv.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/mask_conv/mask_conv.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/mask_conv/mask_conv.cuh b/dnn/src/cuda/mask_conv/mask_conv.cuh
index 2113d2424e19453c3a63d5c413181cd8a83ee107..31ffd6a795293786700f8587fe29e9f3ee4a9dae 100644
--- a/dnn/src/cuda/mask_conv/mask_conv.cuh
+++ b/dnn/src/cuda/mask_conv/mask_conv.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/mask_conv/mask_conv.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/mask_conv/opr_impl.cpp b/dnn/src/cuda/mask_conv/opr_impl.cpp
index 3d7e7691a5e997a3be3a9338fa623d2c18f022bb..e3b2959784c6fa47288c0a73aa9e87c0d4108af1 100644
--- a/dnn/src/cuda/mask_conv/opr_impl.cpp
+++ b/dnn/src/cuda/mask_conv/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/mask_conv/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/mask_conv/opr_impl.h b/dnn/src/cuda/mask_conv/opr_impl.h
index 39e170e62631a7e3be802d1a7727efa38eaca0ff..03e18059af7740721a492d12528743da0b0fbb92 100644
--- a/dnn/src/cuda/mask_conv/opr_impl.h
+++ b/dnn/src/cuda/mask_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/mask_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_inverse/helper.cu b/dnn/src/cuda/matrix_inverse/helper.cu
index 9fff1b6cf7788429c4a57a88ca1129ef8df2c270..ea1847783662b96073afb7bc0ecdeb72f1564561 100644
--- a/dnn/src/cuda/matrix_inverse/helper.cu
+++ b/dnn/src/cuda/matrix_inverse/helper.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_inverse/helper.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_inverse/helper.cuh b/dnn/src/cuda/matrix_inverse/helper.cuh
index 8027da99977d152d726694764bc18967436ca81c..61c6ff5764728f3967aad398fea181c11aad5464 100644
--- a/dnn/src/cuda/matrix_inverse/helper.cuh
+++ b/dnn/src/cuda/matrix_inverse/helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_inverse/helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_inverse/opr_impl.cpp b/dnn/src/cuda/matrix_inverse/opr_impl.cpp
index 93ceb55d42abeb957c7369468697ff8ea6ea390c..ef96a45c954aae554967a83c8c13306047399fe5 100644
--- a/dnn/src/cuda/matrix_inverse/opr_impl.cpp
+++ b/dnn/src/cuda/matrix_inverse/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_inverse/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_inverse/opr_impl.h b/dnn/src/cuda/matrix_inverse/opr_impl.h
index 5c355a8290191af54ceb8df936fccbd047630abc..40bb96f4bbe3c469a334a35be1adf2a2167a5d46 100644
--- a/dnn/src/cuda/matrix_inverse/opr_impl.h
+++ b/dnn/src/cuda/matrix_inverse/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_inverse/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/algos.cpp b/dnn/src/cuda/matrix_mul/algos.cpp
index 85e5d47f814ee8fb966239b2bf69db571f7fda5d..5bb7b332650b828d96498d922dc17736a68e80b4 100644
--- a/dnn/src/cuda/matrix_mul/algos.cpp
+++ b/dnn/src/cuda/matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/algos.h b/dnn/src/cuda/matrix_mul/algos.h
index 5e5def362c3f220f9b4ead0f3624c7d33fc0ef03..6d93d5241e477ba2bec9e20410a823a536f55b23 100644
--- a/dnn/src/cuda/matrix_mul/algos.h
+++ b/dnn/src/cuda/matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/bfloat16.cpp b/dnn/src/cuda/matrix_mul/bfloat16.cpp
index f635dc6a8370e51d5241527a596474bb5df82f63..cf8ce254fd79341f397c55bb27343d51e1bcd2e7 100644
--- a/dnn/src/cuda/matrix_mul/bfloat16.cpp
+++ b/dnn/src/cuda/matrix_mul/bfloat16.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/bfloat16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/cublas.cpp b/dnn/src/cuda/matrix_mul/cublas.cpp
index 2863de0ff18ba07d821093990e12f1c75d843fec..07fcf8f8b884484cec9441673f58f25273daa406 100644
--- a/dnn/src/cuda/matrix_mul/cublas.cpp
+++ b/dnn/src/cuda/matrix_mul/cublas.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/cublas.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/cublasLt_wrapper.cpp b/dnn/src/cuda/matrix_mul/cublasLt_wrapper.cpp
index 793a2bf31fbfba5d53ffdc056bbda17b1fc05020..f5088714abfb9ad5e1e8ee98628e9a1e03b1cd69 100644
--- a/dnn/src/cuda/matrix_mul/cublasLt_wrapper.cpp
+++ b/dnn/src/cuda/matrix_mul/cublasLt_wrapper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/cublasLt_wrapper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/cublasLt_wrapper.h b/dnn/src/cuda/matrix_mul/cublasLt_wrapper.h
index 7f061a92c994057f72d604436192165f8019afcd..52dfeac953671fcdddb2fc0264177c17cc634dd8 100644
--- a/dnn/src/cuda/matrix_mul/cublasLt_wrapper.h
+++ b/dnn/src/cuda/matrix_mul/cublasLt_wrapper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/cublasLt_wrapper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/cublas_lt.cpp b/dnn/src/cuda/matrix_mul/cublas_lt.cpp
index 4764e91ea9309ee85fba46ec0dcd264ba55401f9..9fd7ed656fd2458692b4da6b079888ecb55f5f12 100644
--- a/dnn/src/cuda/matrix_mul/cublas_lt.cpp
+++ b/dnn/src/cuda/matrix_mul/cublas_lt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/cublas_lt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/naive.cpp b/dnn/src/cuda/matrix_mul/naive.cpp
index 1ae438f4c4aa1ad2586034d790fb29d6a235186f..577596405806e207bd3c2db6ea09534bc29039d5 100644
--- a/dnn/src/cuda/matrix_mul/naive.cpp
+++ b/dnn/src/cuda/matrix_mul/naive.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/naive.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/naive.cu b/dnn/src/cuda/matrix_mul/naive.cu
index 05716cb18c0489dc94ef2af33a51c8a0750c9460..49d8f6eec6c59ad6ffa20c59405756eceebd4c87 100644
--- a/dnn/src/cuda/matrix_mul/naive.cu
+++ b/dnn/src/cuda/matrix_mul/naive.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/naive.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/naive.cuh b/dnn/src/cuda/matrix_mul/naive.cuh
index 350ab18188ce029533c1eb8fbd3901620087ece2..01d43d8b6598eb646195b0f907dfdcb8ba0db3a4 100644
--- a/dnn/src/cuda/matrix_mul/naive.cuh
+++ b/dnn/src/cuda/matrix_mul/naive.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/naive.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/opr_impl.cpp b/dnn/src/cuda/matrix_mul/opr_impl.cpp
index bc52b4ae005bed4004292d7d197529c646e8e6d2..2349e2f6988bf38ac037304a19d9eb4361bc90fb 100644
--- a/dnn/src/cuda/matrix_mul/opr_impl.cpp
+++ b/dnn/src/cuda/matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/opr_impl.h b/dnn/src/cuda/matrix_mul/opr_impl.h
index 4c8f3d2bc29dd86cc4f7dc26979951f43eec64eb..0f4997b092bc0001040db132af0b409819f26137 100644
--- a/dnn/src/cuda/matrix_mul/opr_impl.h
+++ b/dnn/src/cuda/matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma.cpp b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma.cpp
index 73ecbc999fa943b81c3f67642bbe0c79f9ea5fbc..380940d26fbb94e8ad2e4b061889fff29628a9eb 100644
--- a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma.cpp
+++ b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/uint4x4x32_wmma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cu b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cu
index 53de8748405868db386fb3eff84f069d657c63ed..14389f9b039920014123e22cabce1cbd958234ce 100644
--- a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cu
+++ b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cu
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cuh b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cuh
index f24724bc116c84c6020cf5c7faaa185144fe8eee..df98b4446fa7b35231bad1be7df0b5fa4d348157 100644
--- a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cuh
+++ b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/matrix_mul/uint4x4x32_wmma/preprocess_quantize_sum.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.cpp b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.cpp
index 50216b56eb0946bf33a5ff0552308a9c754040cf..7a4eb5d3428f7219e41202f9a95aaa3e13723430 100644
--- a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.cpp
+++ b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.h b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.h
index 2e21874242f72d7568ea376d0a2c262d6c1dad24..573f4aac1d1d1258648d6ad59301cd935d9afa55 100644
--- a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.h
+++ b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cu b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cu
index 4e524f6dd87f800d4212a5f9d67b02a554dd0b0f..fc3bb2a2e7491d5853aec5ee05ee3953fbe3955a 100644
--- a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cu
+++ b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cu
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cuh b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cuh
index 143288387a82eef369acb9ba9adce4d7d8437014..6ae7c778fe9b30e79b5c2c8ba489ed1402357397 100644
--- a/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cuh
+++ b/dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cuh
@@ -26,7 +26,7 @@
  * \file dnn/src/cuda/matrix_mul/uint4x4x32_wmma/wmma_matrix_mul_u4.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/max_tensor_diff/opr_impl.cpp b/dnn/src/cuda/max_tensor_diff/opr_impl.cpp
index ccf7e94acfed81aa1144a6f3cb5b850126afb9dc..b90b5c6f58a2b937d35d8257eddfaabf2e96236c 100644
--- a/dnn/src/cuda/max_tensor_diff/opr_impl.cpp
+++ b/dnn/src/cuda/max_tensor_diff/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/max_tensor_diff/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/max_tensor_diff/opr_impl.h b/dnn/src/cuda/max_tensor_diff/opr_impl.h
index e0e915cc969352add0de7dd1f72d7dd01fd968dc..71027f55b55a8f30f69d95e159b5309a57457a6e 100644
--- a/dnn/src/cuda/max_tensor_diff/opr_impl.h
+++ b/dnn/src/cuda/max_tensor_diff/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/max_tensor_diff/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/megcore/cuda_computing_context.cpp b/dnn/src/cuda/megcore/cuda_computing_context.cpp
index d12976bfb31334f337ffa841fcc4999885e48e22..b0a7684c086b2846562767f9badf63bedaee8bf6 100644
--- a/dnn/src/cuda/megcore/cuda_computing_context.cpp
+++ b/dnn/src/cuda/megcore/cuda_computing_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/megcore/cuda_computing_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/megcore/cuda_computing_context.hpp b/dnn/src/cuda/megcore/cuda_computing_context.hpp
index b821612e196edd14544f2c99fb8324a889158669..05ecc9ac641b0841349a2a790856ae15878d8404 100644
--- a/dnn/src/cuda/megcore/cuda_computing_context.hpp
+++ b/dnn/src/cuda/megcore/cuda_computing_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/megcore/cuda_computing_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/megcore/cuda_device_context.cpp b/dnn/src/cuda/megcore/cuda_device_context.cpp
index c82b32827794dba55ece897c3ffc382732bdea39..914f1998c585f4347b083604f499aa003cbef77f 100644
--- a/dnn/src/cuda/megcore/cuda_device_context.cpp
+++ b/dnn/src/cuda/megcore/cuda_device_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/megcore/cuda_device_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/megcore/cuda_device_context.hpp b/dnn/src/cuda/megcore/cuda_device_context.hpp
index 6fe9e2d7d308d511569585b49097c27cc3048442..5c070503bf1a321fe83515249fee0f072086191a 100644
--- a/dnn/src/cuda/megcore/cuda_device_context.hpp
+++ b/dnn/src/cuda/megcore/cuda_device_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/megcore/cuda_device_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/megcore/public_api/computing.cpp b/dnn/src/cuda/megcore/public_api/computing.cpp
index e3f902274185f2ee350b140fca473e4c2e892e55..f2f6e1b36f96c2379319bdabd9e4c4cb2438d4fd 100644
--- a/dnn/src/cuda/megcore/public_api/computing.cpp
+++ b/dnn/src/cuda/megcore/public_api/computing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/megcore/public_api/computing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/mesh_indexing/mesh_indexing.cu b/dnn/src/cuda/mesh_indexing/mesh_indexing.cu
index 16caa07930c49307131a7518bb06563eb4990f03..faa70fe1000199e36cc27b9516fd4ba28d34184d 100644
--- a/dnn/src/cuda/mesh_indexing/mesh_indexing.cu
+++ b/dnn/src/cuda/mesh_indexing/mesh_indexing.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/mesh_indexing/mesh_indexing.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/mesh_indexing/mesh_indexing.cuh b/dnn/src/cuda/mesh_indexing/mesh_indexing.cuh
index 24610045c2d185290cdfb4774c2a73e4f69e2785..e88baa972ae2503147f635d2264c6a5612094c9a 100644
--- a/dnn/src/cuda/mesh_indexing/mesh_indexing.cuh
+++ b/dnn/src/cuda/mesh_indexing/mesh_indexing.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/mesh_indexing/mesh_indexing.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/mesh_indexing/opr_impl.cpp b/dnn/src/cuda/mesh_indexing/opr_impl.cpp
index 4aefe2db5c8f2878781c4a84137ac2c16d2fb7a9..b0a4b58601533165c6e1400f38beea71331c42dc 100644
--- a/dnn/src/cuda/mesh_indexing/opr_impl.cpp
+++ b/dnn/src/cuda/mesh_indexing/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/mesh_indexing/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/mesh_indexing/opr_impl.h b/dnn/src/cuda/mesh_indexing/opr_impl.h
index 8030429b47ff14412309ddcdefdd2a98f5978ff5..22c0dfc10a6892b4c12da6ca89f562abea67a934 100644
--- a/dnn/src/cuda/mesh_indexing/opr_impl.h
+++ b/dnn/src/cuda/mesh_indexing/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/mesh_indexing/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/param_pack/opr_impl.cpp b/dnn/src/cuda/param_pack/opr_impl.cpp
index ad2d11961dd8eb8b2f1917fa5c0a8bc9ad108731..354dd2e7e029231750e68e09f56a8f2596cf6ec7 100644
--- a/dnn/src/cuda/param_pack/opr_impl.cpp
+++ b/dnn/src/cuda/param_pack/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/param_pack/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/param_pack/opr_impl.h b/dnn/src/cuda/param_pack/opr_impl.h
index 38e2ec9fefd93a4563e0547cef28dbf6c3f7a6c8..87e521eaeaf3f2d06e77ed4417e9d88875cdcb2f 100644
--- a/dnn/src/cuda/param_pack/opr_impl.h
+++ b/dnn/src/cuda/param_pack/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/param_pack/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/param_pack/param_pack.cu b/dnn/src/cuda/param_pack/param_pack.cu
index 58d4112a5eb86ef8ed45d9ec7dee01220b9037bd..c907db340840f9d270154c692520b17fd42fe1bd 100644
--- a/dnn/src/cuda/param_pack/param_pack.cu
+++ b/dnn/src/cuda/param_pack/param_pack.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/param_pack/param_pack.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/param_pack/param_pack.cuh b/dnn/src/cuda/param_pack/param_pack.cuh
index aa79441c1ad15be742b1678a1713de513076bf1a..35c9fe524a1a9e9e1012c522ac096b03463c25b8 100644
--- a/dnn/src/cuda/param_pack/param_pack.cuh
+++ b/dnn/src/cuda/param_pack/param_pack.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/param_pack/param_pack.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/pooling/opr_impl.cpp b/dnn/src/cuda/pooling/opr_impl.cpp
index f2befcdf58e9ae6306bed2b026c016de606a689f..89fbcb918a761b8739fff77a4d07f06844d48621 100644
--- a/dnn/src/cuda/pooling/opr_impl.cpp
+++ b/dnn/src/cuda/pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/pooling/opr_impl.h b/dnn/src/cuda/pooling/opr_impl.h
index 784caf5f95d26e0df93db527ed6203ecd0975502..c5fdce1ccf2390ac766b12d3812093f8dbced8e0 100644
--- a/dnn/src/cuda/pooling/opr_impl.h
+++ b/dnn/src/cuda/pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/pooling/pooling2d_int8.cu b/dnn/src/cuda/pooling/pooling2d_int8.cu
index b1222596818473a4f209155ee9a251a1bb02be7e..d8b12dadac940e3a3397cd15975b0eba28c10345 100644
--- a/dnn/src/cuda/pooling/pooling2d_int8.cu
+++ b/dnn/src/cuda/pooling/pooling2d_int8.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/pooling/pooling2d_int8_cdiv4hwn4.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/pooling/pooling2d_int8.cuh b/dnn/src/cuda/pooling/pooling2d_int8.cuh
index e349f06e5d1bd26604cd72d51351b7969ce771cf..b5554ba8f3f10bc6aa8d6766ca6094890e89c7ec 100644
--- a/dnn/src/cuda/pooling/pooling2d_int8.cuh
+++ b/dnn/src/cuda/pooling/pooling2d_int8.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/pooling/pooling2d_int8.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/powc/kern.cu b/dnn/src/cuda/powc/kern.cu
index 1882486ba6049370ac828b1d7771e3bcf7c7121e..7380ca36a9a36bcf0fd6abfbf7c73b0a20f023f7 100644
--- a/dnn/src/cuda/powc/kern.cu
+++ b/dnn/src/cuda/powc/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/powc/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/powc/kern.cuh b/dnn/src/cuda/powc/kern.cuh
index e9502b9bf1781bc4cb95110c6a1aa50d93b6c315..41b032122cc7f0f7aeb9dae8ad6055774f623efa 100644
--- a/dnn/src/cuda/powc/kern.cuh
+++ b/dnn/src/cuda/powc/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/powc/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/powc/opr_impl.cpp b/dnn/src/cuda/powc/opr_impl.cpp
index e6bb9235aa926f88e220712121bdb92c814bada4..4b6f6ce56117c711fcd12d6cedc085491be63e7d 100644
--- a/dnn/src/cuda/powc/opr_impl.cpp
+++ b/dnn/src/cuda/powc/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/powc/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/powc/opr_impl.h b/dnn/src/cuda/powc/opr_impl.h
index 3f2e13f5f3f25cee5da97daacf487b8fbdb836c4..bc5fe0c6629ca808ade870235d1f29ff1bf38b86 100644
--- a/dnn/src/cuda/powc/opr_impl.h
+++ b/dnn/src/cuda/powc/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/powc/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/query_blocksize.cpp b/dnn/src/cuda/query_blocksize.cpp
index 3a60c5be406830210c1438d9de335c00aaa88449..022979d9f8d0399a6a160e43bfffbc9068086bfd 100644
--- a/dnn/src/cuda/query_blocksize.cpp
+++ b/dnn/src/cuda/query_blocksize.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/query_blocksize.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/query_blocksize.cuh b/dnn/src/cuda/query_blocksize.cuh
index 0c438c3d497c11fda1608f0c59da54220fa9ada9..c3af3df0cf9067d891fc52c9ef077ee837808835 100644
--- a/dnn/src/cuda/query_blocksize.cuh
+++ b/dnn/src/cuda/query_blocksize.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/query_blocksize.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/query_blocksize_impl.cu b/dnn/src/cuda/query_blocksize_impl.cu
index fa0d61de1ad514adec68d009b572ed687d4dbb86..9f43bc3b7fa817e04f7f3d5f7c1880a4c141d4d5 100644
--- a/dnn/src/cuda/query_blocksize_impl.cu
+++ b/dnn/src/cuda/query_blocksize_impl.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/query_blocksize_impl.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/reduce/opr_impl.cpp b/dnn/src/cuda/reduce/opr_impl.cpp
index ca677c7e9a58eb8de9a1d5cf8af1635f05f80017..0449e4e662a84637b4b3ba0aa5eb882e75258c65 100644
--- a/dnn/src/cuda/reduce/opr_impl.cpp
+++ b/dnn/src/cuda/reduce/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/reduce/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/reduce/opr_impl.h b/dnn/src/cuda/reduce/opr_impl.h
index 5ead3a9abb20ff617522038b5e91327ad0ca9b8f..cd0698207cf05430644cdedf530010c2e3720b26 100644
--- a/dnn/src/cuda/reduce/opr_impl.h
+++ b/dnn/src/cuda/reduce/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/reduce/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/reduce/reduce.cu b/dnn/src/cuda/reduce/reduce.cu
index 23dcc39c663fdcb65eda0effd7e82b59d106142d..992513cb14483fa4d514cfc9bc24b3e7933f1c01 100644
--- a/dnn/src/cuda/reduce/reduce.cu
+++ b/dnn/src/cuda/reduce/reduce.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/reduce/reduce.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/reduce_helper.cuh b/dnn/src/cuda/reduce_helper.cuh
index 888f95ecde6833806c5f8cddef3da1b55a42ebeb..67b91faf01ebd1e794b6d4a9458f80d07904e406 100644
--- a/dnn/src/cuda/reduce_helper.cuh
+++ b/dnn/src/cuda/reduce_helper.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/reduce_helper.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/reduce_helper.cuinl b/dnn/src/cuda/reduce_helper.cuinl
index da7087cde4e97ef364ff4ba90015c44d4820b975..1920aafecc5c269b251bf2ec437cc2a5dc3d8bda 100644
--- a/dnn/src/cuda/reduce_helper.cuinl
+++ b/dnn/src/cuda/reduce_helper.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/reduce_helper.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/reduce_helper/column.cuinl b/dnn/src/cuda/reduce_helper/column.cuinl
index 4a9973fd505662eb192589655d0e07708af09fe8..54078ff3018dbb12befca2d67eeb45b45328e1aa 100644
--- a/dnn/src/cuda/reduce_helper/column.cuinl
+++ b/dnn/src/cuda/reduce_helper/column.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/reduce_helper/column.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/reduce_helper/largeBC.cuinl b/dnn/src/cuda/reduce_helper/largeBC.cuinl
index 0fdd12365e6269607798940193aa4605507d2edd..7fd465589dda8ee53dd46f4db4594180be8b927e 100644
--- a/dnn/src/cuda/reduce_helper/largeBC.cuinl
+++ b/dnn/src/cuda/reduce_helper/largeBC.cuinl
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/reduce_helper/largeBC.cuinl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/kern.cpp b/dnn/src/cuda/relayout/kern.cpp
index db1a0e0644afea428382b80b45f05a0ed250e53f..e8b8690bbd00167189a63e1e13b86b4091fdfc37 100644
--- a/dnn/src/cuda/relayout/kern.cpp
+++ b/dnn/src/cuda/relayout/kern.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/kern.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/kern.cu b/dnn/src/cuda/relayout/kern.cu
index 04b5d75255aeac6d28db8ca4d83bb88e404218c7..a87ecf2239c209af12ace61e2378cc63c6882968 100644
--- a/dnn/src/cuda/relayout/kern.cu
+++ b/dnn/src/cuda/relayout/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/kern.cuh b/dnn/src/cuda/relayout/kern.cuh
index be08be50dc14a2beae7e9069526f90734a60cda2..2ca1d21182e46a6b161512da4823c066b3250803 100644
--- a/dnn/src/cuda/relayout/kern.cuh
+++ b/dnn/src/cuda/relayout/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/kern_contiguous.cpp b/dnn/src/cuda/relayout/kern_contiguous.cpp
index 4a43dab27ab23d11a302838e9cea877af0247e7a..f9e0333495ec3d017a7eee07667b1ec8fd1affe8 100644
--- a/dnn/src/cuda/relayout/kern_contiguous.cpp
+++ b/dnn/src/cuda/relayout/kern_contiguous.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/kern_contiguous.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/kern_contiguous.cu b/dnn/src/cuda/relayout/kern_contiguous.cu
index 244a69263507f2149650515d3634040486213b59..f6d4deadfc3f862bce5c6a727316bf9748fba959 100644
--- a/dnn/src/cuda/relayout/kern_contiguous.cu
+++ b/dnn/src/cuda/relayout/kern_contiguous.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/kern_contiguous.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/kern_contiguous.cuh b/dnn/src/cuda/relayout/kern_contiguous.cuh
index 17dfd08f616a40269801b4081330254dbb994dfa..8c0740f44e7df22d6c507bc583e6b3e2a481c98b 100644
--- a/dnn/src/cuda/relayout/kern_contiguous.cuh
+++ b/dnn/src/cuda/relayout/kern_contiguous.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/kern_contiguous.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/kern_transpose.cu b/dnn/src/cuda/relayout/kern_transpose.cu
index 6d568a000f98280a4c63d92b13762f703db5cf36..dff60db3097d94c49281396aa6fe3a9fe5e3ba36 100644
--- a/dnn/src/cuda/relayout/kern_transpose.cu
+++ b/dnn/src/cuda/relayout/kern_transpose.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/kern_transpose.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/kern_transpose.cuh b/dnn/src/cuda/relayout/kern_transpose.cuh
index 4ea71733071a79e157d37b7056303a24058943dc..97c7e5b2168ac48ddbe162dd41d5cd4d004d09ab 100644
--- a/dnn/src/cuda/relayout/kern_transpose.cuh
+++ b/dnn/src/cuda/relayout/kern_transpose.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/kern_transpose.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/opr_impl.cpp b/dnn/src/cuda/relayout/opr_impl.cpp
index d1c4506406ca6690f825bb5e558496bddc736d2e..d78f7eb4a555fe92271fe77dfbce724175700b97 100644
--- a/dnn/src/cuda/relayout/opr_impl.cpp
+++ b/dnn/src/cuda/relayout/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/opr_impl.h b/dnn/src/cuda/relayout/opr_impl.h
index 4005bc370854ebaa6a1cd4893598f5f8f742cc73..af2d2a3a452603c3242faea66a07099720af24ca 100644
--- a/dnn/src/cuda/relayout/opr_impl.h
+++ b/dnn/src/cuda/relayout/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/param_visitor.cpp b/dnn/src/cuda/relayout/param_visitor.cpp
index 816dd8a1c9d2771d12cf6284a6cb383d4a35604e..288bff8bdda7a96ddb4b60dd175cb2acba94c492 100644
--- a/dnn/src/cuda/relayout/param_visitor.cpp
+++ b/dnn/src/cuda/relayout/param_visitor.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/param_visitor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout/param_visitor.cuh b/dnn/src/cuda/relayout/param_visitor.cuh
index d49a89aa9d7b2cc90f19db1b0eb7e97ff46365fd..6db08acf6acaf2fa669c47238f9da73dc5401872 100644
--- a/dnn/src/cuda/relayout/param_visitor.cuh
+++ b/dnn/src/cuda/relayout/param_visitor.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout/param_visitor.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout_format/opr_impl.cpp b/dnn/src/cuda/relayout_format/opr_impl.cpp
index 448f2fc5cd79aef10e67211a02a5cc5c13266f73..f1333ecce2a7dca866d48e5f0524691f44961301 100644
--- a/dnn/src/cuda/relayout_format/opr_impl.cpp
+++ b/dnn/src/cuda/relayout_format/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout_format/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout_format/opr_impl.h b/dnn/src/cuda/relayout_format/opr_impl.h
index 7ac585b446642771ee783b7d356070928826555e..e64aff8c4b4c8ca505fdc64df1b7a930696860aa 100644
--- a/dnn/src/cuda/relayout_format/opr_impl.h
+++ b/dnn/src/cuda/relayout_format/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout_format/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout_format/relayout_format.cpp b/dnn/src/cuda/relayout_format/relayout_format.cpp
index ac9fb4c7da7fda4e7caf761d6a6ddd936f4dcb2f..f8d322bbd472f1a46d689bbd3a77f3329233c72d 100644
--- a/dnn/src/cuda/relayout_format/relayout_format.cpp
+++ b/dnn/src/cuda/relayout_format/relayout_format.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout_format/relayout_format.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout_format/relayout_format.cu b/dnn/src/cuda/relayout_format/relayout_format.cu
index aa068dca3674a7b9a804de5a768fad612a39fdbf..438bf2678d30fad8f7b89a6a7d0de7723c1dc30b 100644
--- a/dnn/src/cuda/relayout_format/relayout_format.cu
+++ b/dnn/src/cuda/relayout_format/relayout_format.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout_format/relayout_format.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout_format/relayout_format.cuh b/dnn/src/cuda/relayout_format/relayout_format.cuh
index 7a42cf7d58ea5fd0cfbb71216c6078ce6bb079a0..4f7d614f99a117a2465c69629d5f1276cbdeaafe 100644
--- a/dnn/src/cuda/relayout_format/relayout_format.cuh
+++ b/dnn/src/cuda/relayout_format/relayout_format.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout_format/relayout_format.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/relayout_format/relayout_format.h b/dnn/src/cuda/relayout_format/relayout_format.h
index 01e74c3d2b94016f704bbbd317f24a284fa4fd7d..460fb6a70f177d64485cd1759c9220f7112946e5 100644
--- a/dnn/src/cuda/relayout_format/relayout_format.h
+++ b/dnn/src/cuda/relayout_format/relayout_format.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/relayout_format/relayout_format.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/remap/backward_data.cpp b/dnn/src/cuda/remap/backward_data.cpp
index d0ef6c7533f809dd92f5b3421c5cb3195e196162..31953513ed696de05c41354b358f773d91672f0b 100644
--- a/dnn/src/cuda/remap/backward_data.cpp
+++ b/dnn/src/cuda/remap/backward_data.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/remap/backward_data.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/remap/backward_data.cu b/dnn/src/cuda/remap/backward_data.cu
index b6fe472bb7be3fbf4ea90bbc4ae2f6fb728dd63e..b51f113c6500cb6996d7e2b05683d452a662c826 100644
--- a/dnn/src/cuda/remap/backward_data.cu
+++ b/dnn/src/cuda/remap/backward_data.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/remap/backward_data.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/remap/backward_mat.cpp b/dnn/src/cuda/remap/backward_mat.cpp
index aeccf19e4dc2ba9aae484bed32da9820d7b1b21a..4db02cd2e38eea0d1a2493e779da58060c05698b 100644
--- a/dnn/src/cuda/remap/backward_mat.cpp
+++ b/dnn/src/cuda/remap/backward_mat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/remap/backward_mat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/remap/backward_mat.cu b/dnn/src/cuda/remap/backward_mat.cu
index eb2a345caa17f213a2dadfc792044ef13b6abfab..ecf6d9a42897a45d83bcafae18245c932bd19791 100644
--- a/dnn/src/cuda/remap/backward_mat.cu
+++ b/dnn/src/cuda/remap/backward_mat.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/remap/backward_mat.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/remap/common.h b/dnn/src/cuda/remap/common.h
index 602fb8b7599793e282eac6cab315006e117bbe96..b64d406d52457abea281bb20e85d94767bd5f2c9 100644
--- a/dnn/src/cuda/remap/common.h
+++ b/dnn/src/cuda/remap/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/remap/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/remap/forward.cpp b/dnn/src/cuda/remap/forward.cpp
index 312f79357576b0b6e6bf9a6966fc101a6c027ded..29cedace9e27ee1f86d5fe5d0a6ce62264c77223 100644
--- a/dnn/src/cuda/remap/forward.cpp
+++ b/dnn/src/cuda/remap/forward.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/remap/forward.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/remap/forward.cu b/dnn/src/cuda/remap/forward.cu
index b417306ac432fa1a897eeaf39ddbc9b1b5a296b1..ab42927515da525eb3c22c16859d8264513ecb1b 100644
--- a/dnn/src/cuda/remap/forward.cu
+++ b/dnn/src/cuda/remap/forward.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/remap/forward.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/remap/opr_impl.h b/dnn/src/cuda/remap/opr_impl.h
index bdc5f66a7ff3f12a26588008f459065e3ad330d0..9a0c2400f80bd2585d40a4a5e2665c5b7b3adef0 100644
--- a/dnn/src/cuda/remap/opr_impl.h
+++ b/dnn/src/cuda/remap/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/remap/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/repeat/opr_impl.cpp b/dnn/src/cuda/repeat/opr_impl.cpp
index fd25d08ebc683d33c91484f00dccfffc488570ad..62a6ba3ba308205367476055c63212408edaed62 100644
--- a/dnn/src/cuda/repeat/opr_impl.cpp
+++ b/dnn/src/cuda/repeat/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/repeat/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/repeat/opr_impl.h b/dnn/src/cuda/repeat/opr_impl.h
index 7541e157d2d110f857886d22635ceda5238e34da..a77f75947ad0cd2f20a010dc3c63a83d19f5d9d5 100644
--- a/dnn/src/cuda/repeat/opr_impl.h
+++ b/dnn/src/cuda/repeat/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/repeat/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/repeat/repeat.cu b/dnn/src/cuda/repeat/repeat.cu
index 8976124ba37709ac151a479e7f904414ffcebd7a..97a4f5843e8d05bcd3cb1c551ecdd609e4734f36 100644
--- a/dnn/src/cuda/repeat/repeat.cu
+++ b/dnn/src/cuda/repeat/repeat.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/repeat/repeat.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/repeat/repeat.cuh b/dnn/src/cuda/repeat/repeat.cuh
index 99b4bcec1455cdeb78b31f2d58e586d7ca3d7179..4d5782c1041be6430d0ff892c081ec091c27fbe2 100644
--- a/dnn/src/cuda/repeat/repeat.cuh
+++ b/dnn/src/cuda/repeat/repeat.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/repeat/repeat.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/backward.cpp b/dnn/src/cuda/resize/backward.cpp
index 3944b80a8099615b0ebdb5dbb79a1fb35a89d67a..b5f2c47f3a2be81b02064c5045a123e87538ae64 100644
--- a/dnn/src/cuda/resize/backward.cpp
+++ b/dnn/src/cuda/resize/backward.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/backward.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/backward.cu b/dnn/src/cuda/resize/backward.cu
index 006db3949a2ad9a5192537e0923220684bfb3098..cefecacdd7b299690dc024d846cf6e1e072b33ef 100644
--- a/dnn/src/cuda/resize/backward.cu
+++ b/dnn/src/cuda/resize/backward.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/backward.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/common.cuh b/dnn/src/cuda/resize/common.cuh
index 6cb50b1b2645df316979aa6c34be71ef16183ece..9584eb8b09c3839defa8394f546912aacd92715d 100644
--- a/dnn/src/cuda/resize/common.cuh
+++ b/dnn/src/cuda/resize/common.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/common.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/common.h b/dnn/src/cuda/resize/common.h
index d0fce5027b9d8068c6d990607338e5d97dacf15d..f71663afc049188d75ca98da2a95f8f9de4504a5 100644
--- a/dnn/src/cuda/resize/common.h
+++ b/dnn/src/cuda/resize/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/forward.cpp b/dnn/src/cuda/resize/forward.cpp
index 8f20bfee64f22b3dfe5094e23b2dd0ddc98922bf..4dce3ac037d28d1fc23f7b9295b44b1d30edee43 100644
--- a/dnn/src/cuda/resize/forward.cpp
+++ b/dnn/src/cuda/resize/forward.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/forward.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/forward.cu b/dnn/src/cuda/resize/forward.cu
index 2e22c18f257a0d54bf842df65ac6348da719e009..4bc97846b5eabfc951889826c23ca3eecfecec71 100644
--- a/dnn/src/cuda/resize/forward.cu
+++ b/dnn/src/cuda/resize/forward.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/forward.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/helper.cpp b/dnn/src/cuda/resize/helper.cpp
index 3db578fd25cea9184624097c6e818d8d1ea7e597..7fce68f6f0f4d6a95f1ee60e1540597c6a01892e 100644
--- a/dnn/src/cuda/resize/helper.cpp
+++ b/dnn/src/cuda/resize/helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/helper.h b/dnn/src/cuda/resize/helper.h
index 5d99c80a189c71995baca9cfd8a9574f7c153161..2c947595cb206041af8329f6c311e3bb2dd05334 100644
--- a/dnn/src/cuda/resize/helper.h
+++ b/dnn/src/cuda/resize/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/opr_impl.h b/dnn/src/cuda/resize/opr_impl.h
index a96d90dea00955a5ed911ec5be70b921a380c57c..47ef99af1045f4ef6871e1705b6145506ee63d16 100644
--- a/dnn/src/cuda/resize/opr_impl.h
+++ b/dnn/src/cuda/resize/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/resize_cv.cu b/dnn/src/cuda/resize/resize_cv.cu
index 3a113bbc3f8506f72f7141ba1687dd9f28f0be43..01575b5f42bbb3bb738ce2a886cb7d0805c17b32 100644
--- a/dnn/src/cuda/resize/resize_cv.cu
+++ b/dnn/src/cuda/resize/resize_cv.cu
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/resize/resize_cv.cuh b/dnn/src/cuda/resize/resize_cv.cuh
index ed3fc185a095315c808c4dec0a4266803c78b00d..d2ac48fa3bdd0a327b889fb339e50a504ffc0996 100644
--- a/dnn/src/cuda/resize/resize_cv.cuh
+++ b/dnn/src/cuda/resize/resize_cv.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/resize/resize_cv.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/rng/opr_impl.cpp b/dnn/src/cuda/rng/opr_impl.cpp
index 08c7f4cc1d56e46f8c8c465f694070aed5f50f83..4571733b1cc64426c608e1893dec37eb3cb0ac05 100644
--- a/dnn/src/cuda/rng/opr_impl.cpp
+++ b/dnn/src/cuda/rng/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/rng/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/rng/opr_impl.h b/dnn/src/cuda/rng/opr_impl.h
index 32405307e73e178af7c0cbd5ebc94319e3ef706e..47033bb197a7fb56fe8c6438015f7e38becee166 100644
--- a/dnn/src/cuda/rng/opr_impl.h
+++ b/dnn/src/cuda/rng/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/rng/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_align/opr_impl.cpp b/dnn/src/cuda/roi_align/opr_impl.cpp
index 86ab661e20712b034d8201bb625931efa3dd5db1..41aa47e326efa3399306bec41ad6617d22afa1c7 100644
--- a/dnn/src/cuda/roi_align/opr_impl.cpp
+++ b/dnn/src/cuda/roi_align/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_align/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_align/opr_impl.h b/dnn/src/cuda/roi_align/opr_impl.h
index 011b1e445754948bae9f4f0aad5278da2b7061e0..3bcff2e89b4236208181eea2cf9fb849694271d0 100644
--- a/dnn/src/cuda/roi_align/opr_impl.h
+++ b/dnn/src/cuda/roi_align/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_align/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_align/roi_align.cu b/dnn/src/cuda/roi_align/roi_align.cu
index de3ac56c10ec85e73f055ded0919ccea0cf00a81..34f2a4d2c3f94560d6b253f5a4e39eb3c9f3d8f7 100644
--- a/dnn/src/cuda/roi_align/roi_align.cu
+++ b/dnn/src/cuda/roi_align/roi_align.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_align/roi_align.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_align/roi_align.cuh b/dnn/src/cuda/roi_align/roi_align.cuh
index 0ed63238b6d3ff8bc626bb4a0dceebf36c6a116c..aa5a888753ef7671d04f5dd8e61fc2e760124ad5 100644
--- a/dnn/src/cuda/roi_align/roi_align.cuh
+++ b/dnn/src/cuda/roi_align/roi_align.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_align/roi_align.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_copy/opr_impl.cpp b/dnn/src/cuda/roi_copy/opr_impl.cpp
index b8b4c5ecfb6ea7317641740ec4b7e6e5aa8eb2d9..fa425b1cba181d2fa66bc18caf854be8b10dcbf4 100644
--- a/dnn/src/cuda/roi_copy/opr_impl.cpp
+++ b/dnn/src/cuda/roi_copy/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_copy/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_copy/opr_impl.h b/dnn/src/cuda/roi_copy/opr_impl.h
index 36eba5c07d8a9671eb55797c9b8065effd6791cd..40686845e75fc0ae01293dd94b102447e1d07920 100644
--- a/dnn/src/cuda/roi_copy/opr_impl.h
+++ b/dnn/src/cuda/roi_copy/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_copy/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_pooling/opr_impl.cpp b/dnn/src/cuda/roi_pooling/opr_impl.cpp
index 686b560e659b8297551fbbe2d992f284e63cc581..2c87ad5a2ecaf6c39b0c82d9b304d5a57602ea72 100644
--- a/dnn/src/cuda/roi_pooling/opr_impl.cpp
+++ b/dnn/src/cuda/roi_pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_pooling/opr_impl.h b/dnn/src/cuda/roi_pooling/opr_impl.h
index 43d69fd105d466ce2d9903f869f0769eed5986b1..fcdd32bf6737cee5a96e07537862894d9ca7f57a 100644
--- a/dnn/src/cuda/roi_pooling/opr_impl.h
+++ b/dnn/src/cuda/roi_pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_pooling/roi_pooling.cu b/dnn/src/cuda/roi_pooling/roi_pooling.cu
index 6af2bc217e080a3fe4dd8bc0e869659eca9635a7..dccad806ec75fcb19e918154f7f5a2b6eff414fb 100644
--- a/dnn/src/cuda/roi_pooling/roi_pooling.cu
+++ b/dnn/src/cuda/roi_pooling/roi_pooling.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_pooling/roi_pooling.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/roi_pooling/roi_pooling.cuh b/dnn/src/cuda/roi_pooling/roi_pooling.cuh
index fc8cfa5c5a14dfe35fe1ab21c3ad88ab611a2dea..ffd77af1642ef29f7ed7e64fe41f0102a68e7026 100644
--- a/dnn/src/cuda/roi_pooling/roi_pooling.cuh
+++ b/dnn/src/cuda/roi_pooling/roi_pooling.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/roi_pooling/roi_pooling.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/rotate/opr_impl.cpp b/dnn/src/cuda/rotate/opr_impl.cpp
index 2cbc911bdc9a4b10840fbedeede32764ed0f6f06..b58c00f5d2e13c33eda7ea2e1009f3772527d8e6 100644
--- a/dnn/src/cuda/rotate/opr_impl.cpp
+++ b/dnn/src/cuda/rotate/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/rotate/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/rotate/opr_impl.h b/dnn/src/cuda/rotate/opr_impl.h
index 692631812b2a2fc6a733126621ee2e121a626fa3..b11c706f399186e5de9948e87179f896b9ab3b8d 100644
--- a/dnn/src/cuda/rotate/opr_impl.h
+++ b/dnn/src/cuda/rotate/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/rotate/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/rotate/rotate.cu b/dnn/src/cuda/rotate/rotate.cu
index 07687728ddf7592d72617d8002dc7fb2c622672e..f8b69e1e2d39d454a53e7bd5c8d9f8b070927771 100644
--- a/dnn/src/cuda/rotate/rotate.cu
+++ b/dnn/src/cuda/rotate/rotate.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/rotate/rotate.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/rotate/rotate.cuh b/dnn/src/cuda/rotate/rotate.cuh
index eb64bf38d06f18bbd8654c545d4d6e6ff8293fa3..e6c815315834b51120f78fca5f5d7c41c3698106 100644
--- a/dnn/src/cuda/rotate/rotate.cuh
+++ b/dnn/src/cuda/rotate/rotate.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/rotate/rotate.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/separable_conv/opr_impl.cpp b/dnn/src/cuda/separable_conv/opr_impl.cpp
index 9b5186fe906221efecb9b464d53d9508aa122084..d24e8380779bc5c01e8dff872fb2983c3378defd 100644
--- a/dnn/src/cuda/separable_conv/opr_impl.cpp
+++ b/dnn/src/cuda/separable_conv/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/separable_conv/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/separable_conv/opr_impl.h b/dnn/src/cuda/separable_conv/opr_impl.h
index 069a56b8c5cb9abe485cf8c884989ddb71081af1..9df1fcaf372f2fe722bc38ef3cc82e68e25f2102 100644
--- a/dnn/src/cuda/separable_conv/opr_impl.h
+++ b/dnn/src/cuda/separable_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/separable_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/separable_filter/opr_impl.cpp b/dnn/src/cuda/separable_filter/opr_impl.cpp
index 9106ce6fe9733808a11e87e4946f34cbcd83aeed..5618a3b3750e33c30aecb02e7a1b0ad5844b00af 100644
--- a/dnn/src/cuda/separable_filter/opr_impl.cpp
+++ b/dnn/src/cuda/separable_filter/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/separable_filter/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/separable_filter/opr_impl.h b/dnn/src/cuda/separable_filter/opr_impl.h
index 275699fc4cf63d3ce78a2118621f76a2538697ab..c8a5bbc32113863b4a6c1dadcbe20ac741ed5b3d 100644
--- a/dnn/src/cuda/separable_filter/opr_impl.h
+++ b/dnn/src/cuda/separable_filter/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/separable_filter/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/sleep/kern.cu b/dnn/src/cuda/sleep/kern.cu
index 046228dfbea8906b119ebc0ae2c7338f8bb2e892..5b380932f3efc614535dc82fcb36105c80a15975 100644
--- a/dnn/src/cuda/sleep/kern.cu
+++ b/dnn/src/cuda/sleep/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/sleep/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/sleep/kern.cuh b/dnn/src/cuda/sleep/kern.cuh
index ed0cfb80286f03d88f5799d6de3379da2c1dcfa9..d5e38b4caad37e46b635df64e3053162aac67e66 100644
--- a/dnn/src/cuda/sleep/kern.cuh
+++ b/dnn/src/cuda/sleep/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/sleep/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/sleep/opr_impl.cpp b/dnn/src/cuda/sleep/opr_impl.cpp
index 4b1f216ebb106472bb7ec35ab6672497bb401ffa..e0f89dc6d64192a123f629bdb3b52f699f107282 100644
--- a/dnn/src/cuda/sleep/opr_impl.cpp
+++ b/dnn/src/cuda/sleep/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/sleep/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/sleep/opr_impl.h b/dnn/src/cuda/sleep/opr_impl.h
index 1de90027ead646fb3f30c48b55a160512dfd37de..b32eab0b47e76a7774e96b50972f2775ac4d9b12 100644
--- a/dnn/src/cuda/sleep/opr_impl.h
+++ b/dnn/src/cuda/sleep/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/sleep/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/split/opr_impl.cpp b/dnn/src/cuda/split/opr_impl.cpp
index aba62051b2c80fee52244b80ec6e6e24c6f5f516..602f5a97541dc7e243f96ebd1628b4fbd918f7ba 100644
--- a/dnn/src/cuda/split/opr_impl.cpp
+++ b/dnn/src/cuda/split/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/split/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/split/opr_impl.h b/dnn/src/cuda/split/opr_impl.h
index 7aa8410acd3db19661631df53b2eaab8e436ce9b..27522d971dfb51c04154f48204cff71ad1d033fc 100644
--- a/dnn/src/cuda/split/opr_impl.h
+++ b/dnn/src/cuda/split/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/split/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/split/split.cu b/dnn/src/cuda/split/split.cu
index 1546d5415c7a66a0c9d72dfce6ea92500dd846b6..49347c584a58d979f3c74b9ecaaa5947c94985af 100644
--- a/dnn/src/cuda/split/split.cu
+++ b/dnn/src/cuda/split/split.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/split/split.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/split/split.cuh b/dnn/src/cuda/split/split.cuh
index 0c80cfc164aa749e7da1e6dfc65e324a9d4d2509..302c054512a9d078f2f208a5629486e18ae0d15a 100644
--- a/dnn/src/cuda/split/split.cuh
+++ b/dnn/src/cuda/split/split.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/split/split.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/svd/opr_impl.cpp b/dnn/src/cuda/svd/opr_impl.cpp
index 795db34e109fc6a15f6bab61b38c76fbb8abde1b..f738028c7c72a9b0baf4a5e7dd3ab7fa75d8132f 100644
--- a/dnn/src/cuda/svd/opr_impl.cpp
+++ b/dnn/src/cuda/svd/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/svd/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/svd/opr_impl.h b/dnn/src/cuda/svd/opr_impl.h
index a2a0cf71d76aadedf1c3c30f3e94b16eaa0a7861..d82e3a94a41bd6766fe22b4cd15fb2be64dfc242 100644
--- a/dnn/src/cuda/svd/opr_impl.h
+++ b/dnn/src/cuda/svd/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/svd/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tensor_remap/opr_impl.cpp b/dnn/src/cuda/tensor_remap/opr_impl.cpp
index c1c8a9194d70b67aa74384ee089af109d055aaa6..408a2805d94ae877af02d2bfba088601aca4ba64 100644
--- a/dnn/src/cuda/tensor_remap/opr_impl.cpp
+++ b/dnn/src/cuda/tensor_remap/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tensor_remap/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tensor_remap/opr_impl.h b/dnn/src/cuda/tensor_remap/opr_impl.h
index 335b687cd8976fabf1ee34fe239cf1f96a04a108..1a9c8f68b3792afbc898e59b5df3d0b26ee7bee0 100644
--- a/dnn/src/cuda/tensor_remap/opr_impl.h
+++ b/dnn/src/cuda/tensor_remap/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tensor_remap/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tensor_remap/tensor_remap.cu b/dnn/src/cuda/tensor_remap/tensor_remap.cu
index 0c79b28edea4d39f238027ff38b72f9424a2b214..2220f1e3b55195c4d55632deb756aff4943fae93 100644
--- a/dnn/src/cuda/tensor_remap/tensor_remap.cu
+++ b/dnn/src/cuda/tensor_remap/tensor_remap.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tensor_remap/tensor_remap.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tensor_remap/tensor_remap.cuh b/dnn/src/cuda/tensor_remap/tensor_remap.cuh
index fa63c3f76668af0e25f4b82354c9a101ba564664..34335e64512da7337c73c8687cf806169c9373b7 100644
--- a/dnn/src/cuda/tensor_remap/tensor_remap.cuh
+++ b/dnn/src/cuda/tensor_remap/tensor_remap.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tensor_remap/tensor_remap.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tile/opr_impl.cpp b/dnn/src/cuda/tile/opr_impl.cpp
index a236d6d5989d16d6302f1d919d976d70740d9095..eba13494cc13b545fa76a10548d75a168dab3c68 100644
--- a/dnn/src/cuda/tile/opr_impl.cpp
+++ b/dnn/src/cuda/tile/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tile/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tile/opr_impl.h b/dnn/src/cuda/tile/opr_impl.h
index 7ef21bbb74bc6a54c2d3a8584affac5ec02074e8..dedebb4c71c70e3eed0a3ae84f03735630081bc3 100644
--- a/dnn/src/cuda/tile/opr_impl.h
+++ b/dnn/src/cuda/tile/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tile/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tile/tile.cu b/dnn/src/cuda/tile/tile.cu
index 9216a9d7c26984fa55b228db6a415f4474005665..9352db0b0b41875739da1bd73d729ceb6cfafb00 100644
--- a/dnn/src/cuda/tile/tile.cu
+++ b/dnn/src/cuda/tile/tile.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tile/tile.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tile/tile.cuh b/dnn/src/cuda/tile/tile.cuh
index 396a49bbf386ab96991d4d20098324fe92a76b98..e0e746878f72ad657f7573790cdc0da69bfe765d 100644
--- a/dnn/src/cuda/tile/tile.cuh
+++ b/dnn/src/cuda/tile/tile.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tile/tile.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/topk/opr_impl.cpp b/dnn/src/cuda/topk/opr_impl.cpp
index ed03f64d9dd559dd3d6962e371d76a14baf4514d..7f9bd2cd8c360803523e466ea0a1ebb9d3764aca 100644
--- a/dnn/src/cuda/topk/opr_impl.cpp
+++ b/dnn/src/cuda/topk/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/topk/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/topk/opr_impl.h b/dnn/src/cuda/topk/opr_impl.h
index faeda2fb7e7157d6ce9eaaba0bc1c79a0f913de9..0c7f20fc8dd4f5315bffecf650148d34080d3004 100644
--- a/dnn/src/cuda/topk/opr_impl.h
+++ b/dnn/src/cuda/topk/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/topk/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/topk/topk_radix.cu b/dnn/src/cuda/topk/topk_radix.cu
index f071a0c538a1b4b64abc5350cf87a8fd2ec02c87..28cd43dd3fd979387e1f6115e101a80642b98117 100644
--- a/dnn/src/cuda/topk/topk_radix.cu
+++ b/dnn/src/cuda/topk/topk_radix.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/topk/topk_radix.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/topk/topk_radix.cuh b/dnn/src/cuda/topk/topk_radix.cuh
index 11a9d5fba3daa6424fd1664b51e2875ec1895c7c..94c24d3516b359295d87eb844eb72c289189e5d7 100644
--- a/dnn/src/cuda/topk/topk_radix.cuh
+++ b/dnn/src/cuda/topk/topk_radix.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/topk/topk_radix.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tqt/kern.cu b/dnn/src/cuda/tqt/kern.cu
index b0455fdc4ba72f2b0847eea0fcd1428c3a0e3af9..0ec2e152e0848513aec38c5474e207261cc873d0 100644
--- a/dnn/src/cuda/tqt/kern.cu
+++ b/dnn/src/cuda/tqt/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tqt/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tqt/kern.cuh b/dnn/src/cuda/tqt/kern.cuh
index b26b15205cf62ce72a55cca8b4660a382e666097..3be3b763c9d2105fb38bb43e150adf2929c887d6 100644
--- a/dnn/src/cuda/tqt/kern.cuh
+++ b/dnn/src/cuda/tqt/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tqt/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tqt/opr_impl.cpp b/dnn/src/cuda/tqt/opr_impl.cpp
index fe9bca3c271bdbc1ae5b816896494edc0b806397..4b1fff2eb2739338bd9cea0058476f54981ed48d 100644
--- a/dnn/src/cuda/tqt/opr_impl.cpp
+++ b/dnn/src/cuda/tqt/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tqt/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/tqt/opr_impl.h b/dnn/src/cuda/tqt/opr_impl.h
index 1759e208f77039f8acb96569651e612c7b955537..334c2fcf303942e1ed36888cbfea438b51512632 100644
--- a/dnn/src/cuda/tqt/opr_impl.h
+++ b/dnn/src/cuda/tqt/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/tqt/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/transpose/opr_impl.cpp b/dnn/src/cuda/transpose/opr_impl.cpp
index b81ad9b90929338e828e31635828db12fdd7f3fa..228d9f83b6fe90b50db5aeff4bf7b33073752226 100644
--- a/dnn/src/cuda/transpose/opr_impl.cpp
+++ b/dnn/src/cuda/transpose/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/transpose/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/transpose/opr_impl.h b/dnn/src/cuda/transpose/opr_impl.h
index e274d7e2645b8136db4f36d2bed065262d59ff69..57dcd67c312a6e1f3f5e23f7d4fc18a754cff7d4 100644
--- a/dnn/src/cuda/transpose/opr_impl.h
+++ b/dnn/src/cuda/transpose/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/transpose/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/transpose/transpose.cu b/dnn/src/cuda/transpose/transpose.cu
index 584c6e71dc243b51f2411e888117bbbd6ac9a246..25828d7a357d11fefd26ee5a6d9e7898bccbdd4d 100644
--- a/dnn/src/cuda/transpose/transpose.cu
+++ b/dnn/src/cuda/transpose/transpose.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/transpose/transpose.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/transpose/transpose.cuh b/dnn/src/cuda/transpose/transpose.cuh
index 9e7a442914917f2ab54f21aa3220274b12883d16..558e6714839580075baeb934a30d6a36b848a1c4 100644
--- a/dnn/src/cuda/transpose/transpose.cuh
+++ b/dnn/src/cuda/transpose/transpose.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/transpose/transpose.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/type_cvt/kern.cu b/dnn/src/cuda/type_cvt/kern.cu
index 5b4d75dd1eac8c79c238241b92f2b98e66e818c2..675aad99fc4cbed723cb2b5c58c8b0066cda4cb9 100644
--- a/dnn/src/cuda/type_cvt/kern.cu
+++ b/dnn/src/cuda/type_cvt/kern.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/type_cvt/kern.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/type_cvt/kern.cuh b/dnn/src/cuda/type_cvt/kern.cuh
index 0d744adc4ff9fbc65446fe6c88a75ef7780f9f40..a5c98a4a55daf3fdc313ae38e4a43eed007b76e2 100644
--- a/dnn/src/cuda/type_cvt/kern.cuh
+++ b/dnn/src/cuda/type_cvt/kern.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/type_cvt/kern.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/type_cvt/opr_impl.cpp b/dnn/src/cuda/type_cvt/opr_impl.cpp
index 201c4b496dc3e734057d92c3c17de21b91d17012..e4332ee7eaaf7c5c077fb20c57a1996ea02d79b4 100644
--- a/dnn/src/cuda/type_cvt/opr_impl.cpp
+++ b/dnn/src/cuda/type_cvt/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/type_cvt/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/type_cvt/opr_impl.h b/dnn/src/cuda/type_cvt/opr_impl.h
index 6cdb46ba3b925cdc58899914205f3ec4db47f07a..7bdcdbaaecf29f0a69ba631f16b8a8197cbde4ef 100644
--- a/dnn/src/cuda/type_cvt/opr_impl.h
+++ b/dnn/src/cuda/type_cvt/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/type_cvt/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/utils.cpp b/dnn/src/cuda/utils.cpp
index 0060a7cdb2758a353947fb10cba2bf7624021e84..aff36f8a42863b8736c3b5888a57a560d00b69f3 100644
--- a/dnn/src/cuda/utils.cpp
+++ b/dnn/src/cuda/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/utils.cuh b/dnn/src/cuda/utils.cuh
index 2617fd12e4d69e0eacddb9ded9548ac87d8179e7..6c28bf6f20aaa0ae323eeedbd67bd3d4868563a4 100644
--- a/dnn/src/cuda/utils.cuh
+++ b/dnn/src/cuda/utils.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/utils.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/utils.h b/dnn/src/cuda/utils.h
index c5bb269862cd1487fa205708443c00af2e8b07ee..763aec412f14b5c5af4bd3b2dda617ce176228e7 100644
--- a/dnn/src/cuda/utils.h
+++ b/dnn/src/cuda/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/common.cuh b/dnn/src/cuda/warp_affine/common.cuh
index 85b7e993bf34f030b7a254c6d99576eaa033fa2b..3465d77df6dfb78793a93f4797648fad3f336f8a 100644
--- a/dnn/src/cuda/warp_affine/common.cuh
+++ b/dnn/src/cuda/warp_affine/common.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_affine/common.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/common.h b/dnn/src/cuda/warp_affine/common.h
index 83d04111ab9452c791a6980c16a34b8eb37ae3cf..b7d7118d4ca0cc1e6d9217ddce310f9f7bc248ee 100644
--- a/dnn/src/cuda/warp_affine/common.h
+++ b/dnn/src/cuda/warp_affine/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_affine/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/helper.cpp b/dnn/src/cuda/warp_affine/helper.cpp
index 3256fb8a647af8267b2cc1a30e4d74f75a8e0208..c4bfdf2d6aaf97d3b02e2529832bc5b3161e8865 100644
--- a/dnn/src/cuda/warp_affine/helper.cpp
+++ b/dnn/src/cuda/warp_affine/helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_affine/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/helper.h b/dnn/src/cuda/warp_affine/helper.h
index 75c7fa458eadfa1846c36004c4e003b2976d7bf0..950be3646a2d9f514d2f07446f8338d6848e09d7 100644
--- a/dnn/src/cuda/warp_affine/helper.h
+++ b/dnn/src/cuda/warp_affine/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_affine/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/opr_impl.cpp b/dnn/src/cuda/warp_affine/opr_impl.cpp
index 0bed96bed572529bf52cdffc0dfcad3bcebe7caa..981e2f8bc4ff66087d6c2b3a5ef7e8d8df3df629 100644
--- a/dnn/src/cuda/warp_affine/opr_impl.cpp
+++ b/dnn/src/cuda/warp_affine/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_affine/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/opr_impl.h b/dnn/src/cuda/warp_affine/opr_impl.h
index 25aff0b97768c3f605cc4b0a2ac19e609d97e64d..7a86d60aa54197a5a6ac8af3d8cccfbd9e401e70 100644
--- a/dnn/src/cuda/warp_affine/opr_impl.h
+++ b/dnn/src/cuda/warp_affine/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_affine/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/warp_affine.cu b/dnn/src/cuda/warp_affine/warp_affine.cu
index 6667d017069f773421ccb6d39209f530cd9f17eb..828d10a4fd42d12329c5304a358dfb860ebce751 100644
--- a/dnn/src/cuda/warp_affine/warp_affine.cu
+++ b/dnn/src/cuda/warp_affine/warp_affine.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_affine/warp_affine.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/warp_affine_cv.cu b/dnn/src/cuda/warp_affine/warp_affine_cv.cu
index ecabebaae18c4a422269c8ba1d368c9514e6a61f..2370cc5021a5905baa9fc265b40ebcc0fdf499db 100644
--- a/dnn/src/cuda/warp_affine/warp_affine_cv.cu
+++ b/dnn/src/cuda/warp_affine/warp_affine_cv.cu
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_affine/warp_affine_cv.cuh b/dnn/src/cuda/warp_affine/warp_affine_cv.cuh
index 9c0adb7bc2912a8f6d8ed3403dd8285f9b4a0134..6dd5bd96eff50ecbaf73a01b660b51f3f818078d 100644
--- a/dnn/src/cuda/warp_affine/warp_affine_cv.cuh
+++ b/dnn/src/cuda/warp_affine/warp_affine_cv.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_affine/warp_affine_cv.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/backward_data.cpp b/dnn/src/cuda/warp_perspective/backward_data.cpp
index b49f10f8f78327faf798e2224d55621ba6e1bbe8..ae4732cb1e84cbdfc44fd54eab82f4a2a92477d2 100644
--- a/dnn/src/cuda/warp_perspective/backward_data.cpp
+++ b/dnn/src/cuda/warp_perspective/backward_data.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/backward_data.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/backward_data.cu b/dnn/src/cuda/warp_perspective/backward_data.cu
index f225dc653221c93b28b318c55f41d01c23d1f188..dea1e8be681c1a9538231535105c4f362f3ce6e9 100644
--- a/dnn/src/cuda/warp_perspective/backward_data.cu
+++ b/dnn/src/cuda/warp_perspective/backward_data.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/backward_data.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/backward_mat.cpp b/dnn/src/cuda/warp_perspective/backward_mat.cpp
index 686858028cfb1bb3e6d9338e0b0b042a4cdfd9f8..81b52aae15efdb9606c740f1d946de52f2fc3869 100644
--- a/dnn/src/cuda/warp_perspective/backward_mat.cpp
+++ b/dnn/src/cuda/warp_perspective/backward_mat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/backward_mat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/backward_mat.cu b/dnn/src/cuda/warp_perspective/backward_mat.cu
index 147b0bded4b7a3c09decad1a1ca721a42f290397..404bc36382569cd2fda245cf938e24c061487bd4 100644
--- a/dnn/src/cuda/warp_perspective/backward_mat.cu
+++ b/dnn/src/cuda/warp_perspective/backward_mat.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/backward_mat.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/common.cuh b/dnn/src/cuda/warp_perspective/common.cuh
index d86e699866e3041b77d7031d81f832cf47424e6d..2ded1af75de56ee4e7ccf06717b9086f4e3c95a5 100644
--- a/dnn/src/cuda/warp_perspective/common.cuh
+++ b/dnn/src/cuda/warp_perspective/common.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/common.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/common.h b/dnn/src/cuda/warp_perspective/common.h
index 982d39f227d731aeb3b0707c8f4dee1032891087..db53c211727343b5cd4f72c5a851633a71729b95 100644
--- a/dnn/src/cuda/warp_perspective/common.h
+++ b/dnn/src/cuda/warp_perspective/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/forward.cpp b/dnn/src/cuda/warp_perspective/forward.cpp
index 0f76cfe671d43471b09b986365e57a3094e625bb..c9d6e88c80539965d0911c9596bc050da654f164 100644
--- a/dnn/src/cuda/warp_perspective/forward.cpp
+++ b/dnn/src/cuda/warp_perspective/forward.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/forward.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/forward.cu b/dnn/src/cuda/warp_perspective/forward.cu
index 6a532f59842f502442e8ea10917db4c95396d826..61d670ad84a638b27ea0d9f1f1f1cda2da99de04 100644
--- a/dnn/src/cuda/warp_perspective/forward.cu
+++ b/dnn/src/cuda/warp_perspective/forward.cu
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/forward.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/helper.cpp b/dnn/src/cuda/warp_perspective/helper.cpp
index b8a0a3b438035c5622eccaeef1f49a821f6c5ffe..6b379e76ab9f48966a8ff6f391afbfcd3fc22cc2 100644
--- a/dnn/src/cuda/warp_perspective/helper.cpp
+++ b/dnn/src/cuda/warp_perspective/helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/helper.h b/dnn/src/cuda/warp_perspective/helper.h
index 4bc5839704c8ef98ac9b7a2ee88559be5f01eb32..f6effc5f63752ce29d39debdf6b683ea775b0615 100644
--- a/dnn/src/cuda/warp_perspective/helper.h
+++ b/dnn/src/cuda/warp_perspective/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/opr_impl.h b/dnn/src/cuda/warp_perspective/opr_impl.h
index 35da891b8374bf8a031710299ce3a09130e70bda..493a139c49a6180098eed0e1e9d579dd7c3676bd 100644
--- a/dnn/src/cuda/warp_perspective/opr_impl.h
+++ b/dnn/src/cuda/warp_perspective/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/warp_perspective.cuh b/dnn/src/cuda/warp_perspective/warp_perspective.cuh
index b99595b73d72ee6bcd251d1e351a7ac3badc1eb4..a450c2dba46d009467f2957d555b3c5cef9cf856 100644
--- a/dnn/src/cuda/warp_perspective/warp_perspective.cuh
+++ b/dnn/src/cuda/warp_perspective/warp_perspective.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/warp_perspective.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/warp_perspective_cv.cu b/dnn/src/cuda/warp_perspective/warp_perspective_cv.cu
index 6f44bd66116851935add14e548622740e1dabc95..5d52bfe68ec17d8acd275e83901de0955b42ef37 100644
--- a/dnn/src/cuda/warp_perspective/warp_perspective_cv.cu
+++ b/dnn/src/cuda/warp_perspective/warp_perspective_cv.cu
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/cuda/warp_perspective/warp_perspective_cv.cuh b/dnn/src/cuda/warp_perspective/warp_perspective_cv.cuh
index dc95db4afca60ac3c7e0eb7a0fe908b00cf0935b..50c6cb4f72b7dc88ddafbfed22cab6be62c4113d 100644
--- a/dnn/src/cuda/warp_perspective/warp_perspective_cv.cuh
+++ b/dnn/src/cuda/warp_perspective/warp_perspective_cv.cuh
@@ -2,7 +2,7 @@
  * \file dnn/src/cuda/warp_perspective/warp_perspective_cv.cuh
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/add_update/opr_impl.cpp b/dnn/src/fallback/add_update/opr_impl.cpp
index e6f3370b624f7fca91371692799f41bf13e120ad..67caf2a5386ed8e30b1d47049f337eebe58da8fa 100644
--- a/dnn/src/fallback/add_update/opr_impl.cpp
+++ b/dnn/src/fallback/add_update/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/add_update/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/add_update/opr_impl.h b/dnn/src/fallback/add_update/opr_impl.h
index 10090efbd5002625f145c703f8069463e8237537..dfd6a50ba5f355192bd68591f6f8e78961a686e8 100644
--- a/dnn/src/fallback/add_update/opr_impl.h
+++ b/dnn/src/fallback/add_update/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/add_update/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/batched_matrix_mul/algos.cpp b/dnn/src/fallback/batched_matrix_mul/algos.cpp
index 9e809bd7f71700238d780484efa2c1a6233781f5..3c83a9272b89465c1ba70d251a07e4fc2ceeddbe 100644
--- a/dnn/src/fallback/batched_matrix_mul/algos.cpp
+++ b/dnn/src/fallback/batched_matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/batched_matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/batched_matrix_mul/algos.h b/dnn/src/fallback/batched_matrix_mul/algos.h
index 99626ba8435ee593cb4db551c835875e780669c2..c6431eb21c04b0ed06013a9012efe40f4ea32b31 100644
--- a/dnn/src/fallback/batched_matrix_mul/algos.h
+++ b/dnn/src/fallback/batched_matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/batched_matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/batched_matrix_mul/opr_impl.cpp b/dnn/src/fallback/batched_matrix_mul/opr_impl.cpp
index 7f613509c93812cb850fafd955218e4032d02f85..eadc496c648d63d018250eafb9c2be01d368ece4 100644
--- a/dnn/src/fallback/batched_matrix_mul/opr_impl.cpp
+++ b/dnn/src/fallback/batched_matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/batched_matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/batched_matrix_mul/opr_impl.h b/dnn/src/fallback/batched_matrix_mul/opr_impl.h
index 6ddb78956d42567c9ede9a2479440934685b497f..801c2c837efe3f65d4eeac671d2728e25fb82486 100644
--- a/dnn/src/fallback/batched_matrix_mul/opr_impl.h
+++ b/dnn/src/fallback/batched_matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/batched_matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/concat/opr_impl.cpp b/dnn/src/fallback/concat/opr_impl.cpp
index ed128eeca68b5199048eb899f4a996b5c738c2c5..f6304db03e39856f52328bd0034c4cc4040ac444 100644
--- a/dnn/src/fallback/concat/opr_impl.cpp
+++ b/dnn/src/fallback/concat/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/concat/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/concat/opr_impl.h b/dnn/src/fallback/concat/opr_impl.h
index 184854bac9facba121e422d26566b6f2b59a6c62..0cb421b03cd5c7d3c5b60098efcae5b5003c9fa4 100644
--- a/dnn/src/fallback/concat/opr_impl.h
+++ b/dnn/src/fallback/concat/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/concat/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/algos.cpp b/dnn/src/fallback/conv_bias/algos.cpp
index dd5d553498de53b6a6bbd8b39b37469372172bd0..7ee22937eff8b501a010870891a49f3832f28bb6 100644
--- a/dnn/src/fallback/conv_bias/algos.cpp
+++ b/dnn/src/fallback/conv_bias/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/algos.h b/dnn/src/fallback/conv_bias/algos.h
index b92fded7479ca0b815a464ad5bda27f09c24dd9b..b8921617bbb3c0c8063398c5f6e36f295a29ca73 100644
--- a/dnn/src/fallback/conv_bias/algos.h
+++ b/dnn/src/fallback/conv_bias/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/common.h b/dnn/src/fallback/conv_bias/common.h
index 7b33c6bad3ecf7352d5c2f755a547eb9d48da06d..4048ff85ce52c6fa44eca8eb6fa6538ad4ed4572 100644
--- a/dnn/src/fallback/conv_bias/common.h
+++ b/dnn/src/fallback/conv_bias/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/algos.cpp b/dnn/src/fallback/conv_bias/conv1x1/algos.cpp
index 01bbd194b1b72b433a632fd7ebac5e7cccd95b80..a9ff87cd24c6309c6430c866f4b0bc1f87ee258b 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/algos.cpp
+++ b/dnn/src/fallback/conv_bias/conv1x1/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/algos.h b/dnn/src/fallback/conv_bias/conv1x1/algos.h
index 662812bce1704c1f772866b690e2ee24572721df..7dcfbb6dcf0dba2be939f181528bbd286660523a 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/algos.h
+++ b/dnn/src/fallback/conv_bias/conv1x1/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.cpp b/dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.cpp
index bd40dd24234611ff2e3df98aed7164d6415c30a1..a359247290601cef41a07a370b94ef8ca7369364 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.cpp
+++ b/dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.h b/dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.h
index f7250f7cecc076182663226f6ffe70e0872495ae..29604e51ddbc3b301fb60484dfb9fa3b01cc966d 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.h
+++ b/dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/algos_conv1x1_gemv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_dispatcher.h b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_dispatcher.h
index 357fa6adb21e46290786c5145a758c462b3491ee..306f3183ad28fa488698f871a46e7778ad4c17fb 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_dispatcher.h
+++ b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_dispatcher.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/conv1x1_dispatcher.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.cpp b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.cpp
index ee927eafd793cf04b7f9f6a98be5424c558f55a9..da8fd806e907eff9b3b4a33e4bcecf26a178c78e 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.cpp
+++ b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/Conv1x1_strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.h b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.h
index 54cbe6e2199fcf93f8ecdaa8cb452a7aabd3c949..81bf96d0aa933f6186467dad7e71f6893a156b7b 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.h
+++ b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/conv1x1_strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.cpp b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.cpp
index c8e263aabf197a9be3c28fecc9a9638cd5c9e49a..1b133e6ef965ee67b327ab43a40802e0e0b4f1f9 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.cpp
+++ b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.h b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.h
index e6b8bdbecc5726d4dd4e853dbe5ff4bf89857992..11ab21aa6e34463980df42b485230e2d26e3270c 100644
--- a/dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.h
+++ b/dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/conv1x1/conv1x1_utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/algos.cpp b/dnn/src/fallback/conv_bias/im2col/algos.cpp
index bcb4bd18dc232a3a0ddadfca34bfda2d69423a90..eac03a594708af875cc00106ddf74d8ecb5cad47 100644
--- a/dnn/src/fallback/conv_bias/im2col/algos.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/algos.h b/dnn/src/fallback/conv_bias/im2col/algos.h
index c7d0d4c9b1d148c3b7f4edf47b154a5d5cc87b54..22b2a3f83a2d3f48c05b62c24fae05ec1d192eaf 100644
--- a/dnn/src/fallback/conv_bias/im2col/algos.h
+++ b/dnn/src/fallback/conv_bias/im2col/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/factory.h b/dnn/src/fallback/conv_bias/im2col/factory.h
index 4b35e88487b60f63ffe29bce7407c1e5d7c18fbb..f7daef777418af0b01ad474ad6b452c561e0f5cc 100644
--- a/dnn/src/fallback/conv_bias/im2col/factory.h
+++ b/dnn/src/fallback/conv_bias/im2col/factory.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/factory.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/im2col_kerns.h b/dnn/src/fallback/conv_bias/im2col/im2col_kerns.h
index 1e080520c0b1a22ca137ff780e9849e4d0769092..5dc404e560ad5d02b6652468796f7aadbd4f049c 100644
--- a/dnn/src/fallback/conv_bias/im2col/im2col_kerns.h
+++ b/dnn/src/fallback/conv_bias/im2col/im2col_kerns.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/im2col_kerns.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_base.h b/dnn/src/fallback/conv_bias/im2col/strategy_base.h
index 816106b4c037f9b99f40004499fb8fd2a6e20907..07e9640d0014fe6c5883f61c0496aad8f1292a03 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_base.h
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_base.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/strategy_base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_default.cpp b/dnn/src/fallback/conv_bias/im2col/strategy_default.cpp
index 911c7d55299f4e91c11e2f1848d742dd0c3e4410..27dd77d725400769fd1cbccedb718fc9bc0618ad 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_default.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_default.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/strategy_default.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_default_nchw44.cpp b/dnn/src/fallback/conv_bias/im2col/strategy_default_nchw44.cpp
index 699d66619a80fd2a73b5fc90292bd360744e6218..aa2df6900d5c4838860a6ff80706e5b18d8e419a 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_default_nchw44.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_default_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/strategy_default.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44.cpp b/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44.cpp
index 354c3812697a6cca008172237c03e7c91fa19790..f01f3fbe569581bd98a0acbe70a5433586e4eefe 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot.cpp b/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot.cpp
index 610b98e2719e6863d845121dedd19c3fc221bb15..329b06d5d32fbc7bc3c38829052ec8f951097ccc 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot_s2.cpp b/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot_s2.cpp
index c4f8914f1edec17a70c0ccc3851d7184f5f79c44..7db1ca4c7af225b9075dc9015eafac3368eb4a6f 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot_s2.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot_s2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_dot_s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_fp32_s2.cpp b/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_fp32_s2.cpp
index af13d2f0d19b78c24c4148ffdd4daa4aba78155c..36e34687e89b4a7a642faefcb28d19320fb0a864 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_fp32_s2.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_fp32_s2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/strategy_fuse_nchw44_fp32_s2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_nopack.cpp b/dnn/src/fallback/conv_bias/im2col/strategy_nopack.cpp
index ad2ca1584642a6708c2b24f9ccdc745c9a93fdd0..75ea3db0945803b68dd28a5bf8ce89593ae771ff 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_nopack.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_nopack.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/strategy_nopack.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/im2col/strategy_onlypacka.cpp b/dnn/src/fallback/conv_bias/im2col/strategy_onlypacka.cpp
index 915ad44181dcf5b8b3fa5ccad08761dde654343b..2070393080241c08f7d8378196cc42ffffa39962 100644
--- a/dnn/src/fallback/conv_bias/im2col/strategy_onlypacka.cpp
+++ b/dnn/src/fallback/conv_bias/im2col/strategy_onlypacka.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/im2col/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/opr_impl.cpp b/dnn/src/fallback/conv_bias/opr_impl.cpp
index 0c3f6f8824d4bc705309b8bd7c9b2dcb5e607eab..eb88d30ce33530a2da9484ac110da188ce0a75ac 100644
--- a/dnn/src/fallback/conv_bias/opr_impl.cpp
+++ b/dnn/src/fallback/conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/opr_impl.h b/dnn/src/fallback/conv_bias/opr_impl.h
index 40d26d40cbea298fe9d96d977f39ffe7e1e94d13..850d449024036c5eaa2857dda9d2d9092f75499c 100644
--- a/dnn/src/fallback/conv_bias/opr_impl.h
+++ b/dnn/src/fallback/conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/winograd/strategy.cpp b/dnn/src/fallback/conv_bias/winograd/strategy.cpp
index f59fb04984ea05ce3eedd47e8e85175b48942f2b..0c5e5e3457edf721e7cdde4e03cd2a0cb165749a 100644
--- a/dnn/src/fallback/conv_bias/winograd/strategy.cpp
+++ b/dnn/src/fallback/conv_bias/winograd/strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/winograd/strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/winograd/strategy.h b/dnn/src/fallback/conv_bias/winograd/strategy.h
index fe186cb9cc7f58f344457f463a8d57cd91d90251..a5eda89721ec2d73a01619c17907cdae4b31a88b 100644
--- a/dnn/src/fallback/conv_bias/winograd/strategy.h
+++ b/dnn/src/fallback/conv_bias/winograd/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/winograd/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/conv_bias/winograd/winograd.h b/dnn/src/fallback/conv_bias/winograd/winograd.h
index 2484d3dde272ce4a1a7dd0344425bcf9f46dbdef..d10095a0603718ba4139fc9fcf0295a8520af8de 100644
--- a/dnn/src/fallback/conv_bias/winograd/winograd.h
+++ b/dnn/src/fallback/conv_bias/winograd/winograd.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/conv_bias/winograd/winograd.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/algos.cpp b/dnn/src/fallback/convolution/algos.cpp
index f8dca2c5dba5ac66e3e756179b7230f7177d8fcd..9633aff92a818eb7990d5dc51c48427b5bec3abd 100644
--- a/dnn/src/fallback/convolution/algos.cpp
+++ b/dnn/src/fallback/convolution/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/algos.h b/dnn/src/fallback/convolution/algos.h
index 216ec104675dac3480ff6bf5c52cc3f103fbfa9f..9fd9548a3266baa596cabd42e00789c5c4fd3477 100644
--- a/dnn/src/fallback/convolution/algos.h
+++ b/dnn/src/fallback/convolution/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/col2img_helper.h b/dnn/src/fallback/convolution/col2img_helper.h
index c4f73b1ae982587aff1085327bd6a431aa7a82ba..5b2e201ce9006f7e0034b5cc69fe2a870e28763f 100644
--- a/dnn/src/fallback/convolution/col2img_helper.h
+++ b/dnn/src/fallback/convolution/col2img_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/col2img_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/do_conv_stride2_decl.inl b/dnn/src/fallback/convolution/do_conv_stride2_decl.inl
index 36ae4e3b0cf54aef05c2c6fba4760b99d2b3f307..f43681f333b9fc2d7ad237ffb9eaf2e4c41de1dd 100644
--- a/dnn/src/fallback/convolution/do_conv_stride2_decl.inl
+++ b/dnn/src/fallback/convolution/do_conv_stride2_decl.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/do_conv_stride2_decl.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/img2col_helper.h b/dnn/src/fallback/convolution/img2col_helper.h
index d02a43ed870fbb3fab69238e04e1b2e8b56c82da..9317c5eb66417727cf31dec03d5f336e4ad1f1ed 100644
--- a/dnn/src/fallback/convolution/img2col_helper.h
+++ b/dnn/src/fallback/convolution/img2col_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/img2col_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/opr_impl.cpp b/dnn/src/fallback/convolution/opr_impl.cpp
index 4a2ed249208bf6258b8d521f7db0dcfe0b3a9182..7417af0d97b4f447ac67741d4bb71d4c67863a61 100644
--- a/dnn/src/fallback/convolution/opr_impl.cpp
+++ b/dnn/src/fallback/convolution/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/opr_impl.h b/dnn/src/fallback/convolution/opr_impl.h
index 59fd40ae43140920cc9018091bc87d382c0366c2..868839e14a5ea3ca36d28aec7eb4e402ee5967cb 100644
--- a/dnn/src/fallback/convolution/opr_impl.h
+++ b/dnn/src/fallback/convolution/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/run_conv.cpp b/dnn/src/fallback/convolution/run_conv.cpp
index 8691c49c527f61174763497d26a5718fede86d1d..e2565d468363a25a27b93cd1cfc7b9d76e23b6c6 100644
--- a/dnn/src/fallback/convolution/run_conv.cpp
+++ b/dnn/src/fallback/convolution/run_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/run_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/convolution/run_conv.h b/dnn/src/fallback/convolution/run_conv.h
index 18fe7063a29c0c5144e24ef525f64f046eb679cf..b8d9f053d2ebabe76f76e07a2009483a32a0aa98 100644
--- a/dnn/src/fallback/convolution/run_conv.h
+++ b/dnn/src/fallback/convolution/run_conv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/convolution/run_conv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/elemwise/opr_impl.cpp b/dnn/src/fallback/elemwise/opr_impl.cpp
index 33e31d0743e2962ae2ab4c545bb49c94b6ab07df..5eaa5b6cae882edaa41b4c52e4a7b73cff60b933 100644
--- a/dnn/src/fallback/elemwise/opr_impl.cpp
+++ b/dnn/src/fallback/elemwise/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/elemwise/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/elemwise/opr_impl.h b/dnn/src/fallback/elemwise/opr_impl.h
index b5e33584db49ac90b4aad2e621f463d2edcea81e..1ab5e970b5e8738bbb61d97a88c0547ae8bbb584 100644
--- a/dnn/src/fallback/elemwise/opr_impl.h
+++ b/dnn/src/fallback/elemwise/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/elemwise/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/elemwise_multi_type/opr_impl.cpp b/dnn/src/fallback/elemwise_multi_type/opr_impl.cpp
index 6f3cf4504c88f6f801feb21676553cb327fb4afc..f7db6a1f722c35cf8779ddec88a56dba3e61628e 100644
--- a/dnn/src/fallback/elemwise_multi_type/opr_impl.cpp
+++ b/dnn/src/fallback/elemwise_multi_type/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/elemwise_multi_type/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/elemwise_multi_type/opr_impl.h b/dnn/src/fallback/elemwise_multi_type/opr_impl.h
index 3051f73ccda31cab294a5dd8c683eff073b8bf0b..3053a26a47d4197755833937a314c10395518c83 100644
--- a/dnn/src/fallback/elemwise_multi_type/opr_impl.h
+++ b/dnn/src/fallback/elemwise_multi_type/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/elemwise_multi_type/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/flip/opr_impl.cpp b/dnn/src/fallback/flip/opr_impl.cpp
index ca4d102bd81be2eaa6043e412127a21a9ebd138b..de334ff7d818a7493eedb3f63b8d45ce6406e584 100644
--- a/dnn/src/fallback/flip/opr_impl.cpp
+++ b/dnn/src/fallback/flip/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/flip/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/flip/opr_impl.h b/dnn/src/fallback/flip/opr_impl.h
index 44f4b340c6454b85683efc8e450f533567c3fdb1..1ce3aaeb0510aec78be1ef23d96fb4882d5aef9a 100644
--- a/dnn/src/fallback/flip/opr_impl.h
+++ b/dnn/src/fallback/flip/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/flip/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/gaussian_blur/filter.h b/dnn/src/fallback/gaussian_blur/filter.h
index 66dbd0ac02dbba24029f7b3d95687ac13dec1d52..90d2d4e0df895844183d3d58f1d4655675f34bc4 100644
--- a/dnn/src/fallback/gaussian_blur/filter.h
+++ b/dnn/src/fallback/gaussian_blur/filter.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/gaussian_blur/opr_impl.cpp b/dnn/src/fallback/gaussian_blur/opr_impl.cpp
index b96cd9b5e529d19392cde80b749177570a9443cf..841cb6b812d654c51a041cb8f579a4e40e3d16a5 100644
--- a/dnn/src/fallback/gaussian_blur/opr_impl.cpp
+++ b/dnn/src/fallback/gaussian_blur/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/gaussian_blur/opr_impl.h b/dnn/src/fallback/gaussian_blur/opr_impl.h
index 887eed7d2d16e43d06605fdc6b9d82a53f2550de..ba63c0823a99aa76c9870a3f9945d8e7c11a69c7 100644
--- a/dnn/src/fallback/gaussian_blur/opr_impl.h
+++ b/dnn/src/fallback/gaussian_blur/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/gaussian_blur/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/group_local/opr_impl.cpp b/dnn/src/fallback/group_local/opr_impl.cpp
index 78458afdda1c548b085d93e6e54604c581cbdaff..e521eb0878a98be1f23b9e7b9d9f3c7022f7353e 100644
--- a/dnn/src/fallback/group_local/opr_impl.cpp
+++ b/dnn/src/fallback/group_local/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/group_local/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/group_local/opr_impl.h b/dnn/src/fallback/group_local/opr_impl.h
index 43fa7893fc9f0c42f18c99b8b1bb34ac4ed5fa71..4543621cfc619767398126141ff08c95cda89a13 100644
--- a/dnn/src/fallback/group_local/opr_impl.h
+++ b/dnn/src/fallback/group_local/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/group_local/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/handle.cpp b/dnn/src/fallback/handle.cpp
index 051e5b6c177d2105752fb95fcde6210776dd3105..9cbd9f3c949e6dbfffeb980eae3fa7b7b8985a7f 100644
--- a/dnn/src/fallback/handle.cpp
+++ b/dnn/src/fallback/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/handle.h b/dnn/src/fallback/handle.h
index af2ee709ca489a2c453e89556859e9b1fedb9464..2566e75000ea33a02b194079f12812e366064d13 100644
--- a/dnn/src/fallback/handle.h
+++ b/dnn/src/fallback/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/mask_conv/opr_impl.cpp b/dnn/src/fallback/mask_conv/opr_impl.cpp
index 9d37a0fb2c1849c56fb8f214ddad0834523b560b..e2a5159543f8bb2c4c7ff4cb0bc44b13f6c96e94 100644
--- a/dnn/src/fallback/mask_conv/opr_impl.cpp
+++ b/dnn/src/fallback/mask_conv/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/mask_conv/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/mask_conv/opr_impl.h b/dnn/src/fallback/mask_conv/opr_impl.h
index 8487c643745919f796d343330c376979ec7a0317..a1c377156c936b449db09e4e109d5e5867c9faeb 100644
--- a/dnn/src/fallback/mask_conv/opr_impl.h
+++ b/dnn/src/fallback/mask_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/mask_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/algos.cpp b/dnn/src/fallback/matrix_mul/algos.cpp
index 280a297616cd740608d9f2438eae2e9287b00d3b..cebf8957fbb69f86a033f17be281a5454a386d21 100644
--- a/dnn/src/fallback/matrix_mul/algos.cpp
+++ b/dnn/src/fallback/matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/algos.h b/dnn/src/fallback/matrix_mul/algos.h
index df98c56f84a9b0fa3ef14bbccc751e113657b3a0..3c56bebe7d0aeaa1a3781ce4b7dcab01cd7fc80e 100644
--- a/dnn/src/fallback/matrix_mul/algos.h
+++ b/dnn/src/fallback/matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/gemm_common.h b/dnn/src/fallback/matrix_mul/gemm_common.h
index c45b3f89360d734df55d9622708e6fc30d4d5d29..bd39a3583d0f18133810c6f924338866f0ad4553 100644
--- a/dnn/src/fallback/matrix_mul/gemm_common.h
+++ b/dnn/src/fallback/matrix_mul/gemm_common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/gemm_common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/gemm_impl.h b/dnn/src/fallback/matrix_mul/gemm_impl.h
index b25621e0c86e906801943112d5214c2510511d81..00ffbd3f209ebb31d83d267bc15c0a5518b76aad 100644
--- a/dnn/src/fallback/matrix_mul/gemm_impl.h
+++ b/dnn/src/fallback/matrix_mul/gemm_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/gemm_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/gemv.h b/dnn/src/fallback/matrix_mul/gemv.h
index 5ea892701a662ea5693ca3e2a644882c59827a69..3df47844736fc4e2a45095c69a1521e807ed8cfa 100644
--- a/dnn/src/fallback/matrix_mul/gemv.h
+++ b/dnn/src/fallback/matrix_mul/gemv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/gemv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/generic_strategy.cpp b/dnn/src/fallback/matrix_mul/generic_strategy.cpp
index 5db1085722f18138f5c1e7d698fd7e9d9ca647a3..dd11cbebf98918e93b583cd85f609be61a8a8265 100644
--- a/dnn/src/fallback/matrix_mul/generic_strategy.cpp
+++ b/dnn/src/fallback/matrix_mul/generic_strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/generic_strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/generic_strategy.h b/dnn/src/fallback/matrix_mul/generic_strategy.h
index 499a2161c3a81eb13a9c1afb4128d47967b47e1b..3f30a74e3d403c326c1bdc36b90886d2ceb7609b 100644
--- a/dnn/src/fallback/matrix_mul/generic_strategy.h
+++ b/dnn/src/fallback/matrix_mul/generic_strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/generic_strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/opr_impl.cpp b/dnn/src/fallback/matrix_mul/opr_impl.cpp
index b576aa7fa5297d4552d25b2eee066580ed52073a..09f1a1645025ea62d8b3a2504dc07c3aa6f00c40 100644
--- a/dnn/src/fallback/matrix_mul/opr_impl.cpp
+++ b/dnn/src/fallback/matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul/opr_impl.h b/dnn/src/fallback/matrix_mul/opr_impl.h
index 74181cb8d10cd8f95c54414855b8281478978726..eeedda3ffac52c2a2cd62f57b516e658fd7bfc04 100644
--- a/dnn/src/fallback/matrix_mul/opr_impl.h
+++ b/dnn/src/fallback/matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/matrix_mul_helper.h b/dnn/src/fallback/matrix_mul_helper.h
index 0b7f49ba61825cd9979f5543beb81f5704482073..f43acc00d6c83541792e251e740e0dd99bed3e6e 100644
--- a/dnn/src/fallback/matrix_mul_helper.h
+++ b/dnn/src/fallback/matrix_mul_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/matrix_mul_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/pooling/opr_impl.cpp b/dnn/src/fallback/pooling/opr_impl.cpp
index 29be71a8a819639eac477bf8b1c8fbc6da5ba09b..65a5f98803fe01a664657891d542f7708c2597b6 100644
--- a/dnn/src/fallback/pooling/opr_impl.cpp
+++ b/dnn/src/fallback/pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/pooling/opr_impl.h b/dnn/src/fallback/pooling/opr_impl.h
index 1d814c2362600793ef6e6fe9a3efdd975dc6ba06..9dcfbd1c3902388a7b1e65a45216d5e2dd70c842 100644
--- a/dnn/src/fallback/pooling/opr_impl.h
+++ b/dnn/src/fallback/pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/powc/opr_impl.cpp b/dnn/src/fallback/powc/opr_impl.cpp
index 58640e4962aeb1d1c5e5ebc2497c24eb7c536947..a8559159ee818fd3ccb31ee56c3a7cfb19eacef2 100644
--- a/dnn/src/fallback/powc/opr_impl.cpp
+++ b/dnn/src/fallback/powc/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/powc/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/powc/opr_impl.h b/dnn/src/fallback/powc/opr_impl.h
index b7437e4f52efd18622cef0cff18d5aca6df12ae1..70b7e6a67c7632a40d079fbad912ce33d08dabb2 100644
--- a/dnn/src/fallback/powc/opr_impl.h
+++ b/dnn/src/fallback/powc/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/powc/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/reduce/opr_impl.cpp b/dnn/src/fallback/reduce/opr_impl.cpp
index 5e4ef0c45006f5db84a294a1e32176b13d8b9495..133780120417edf7c7233f025adb7c3f6293d192 100644
--- a/dnn/src/fallback/reduce/opr_impl.cpp
+++ b/dnn/src/fallback/reduce/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/reduce/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/reduce/opr_impl.h b/dnn/src/fallback/reduce/opr_impl.h
index e9b9ebd853b5663b575310b25a654d3eda42b0ba..d6277078cb8a479b9d503610367f62dca3f9333c 100644
--- a/dnn/src/fallback/reduce/opr_impl.h
+++ b/dnn/src/fallback/reduce/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/reduce/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/relayout/opr_impl.cpp b/dnn/src/fallback/relayout/opr_impl.cpp
index 78a38910e2f8dd45b16ff835603d7d119ec7c614..56d20dae917b32b87e33e8c89d7ff615f340d0dd 100644
--- a/dnn/src/fallback/relayout/opr_impl.cpp
+++ b/dnn/src/fallback/relayout/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/relayout/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/relayout/opr_impl.h b/dnn/src/fallback/relayout/opr_impl.h
index f7a66ab1426c679f13480b65e0c47cb1d6859cf1..ca3cd535e09a86ebc863e85dc616349653e3e82f 100644
--- a/dnn/src/fallback/relayout/opr_impl.h
+++ b/dnn/src/fallback/relayout/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/relayout/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/repeat/opr_impl.cpp b/dnn/src/fallback/repeat/opr_impl.cpp
index 28a9c38bda9c293e42791896a9c3487a9dc2a581..51b17094df9c27b0feb1fa4a42bc202e08a37379 100644
--- a/dnn/src/fallback/repeat/opr_impl.cpp
+++ b/dnn/src/fallback/repeat/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/repeat/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/repeat/opr_impl.h b/dnn/src/fallback/repeat/opr_impl.h
index 9b1139a39f8f56e3465b194509407004f8f50248..c639fa0d07fb189b592cdd0dedc7d342cc095046 100644
--- a/dnn/src/fallback/repeat/opr_impl.h
+++ b/dnn/src/fallback/repeat/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/repeat/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/resize/opr_impl.cpp b/dnn/src/fallback/resize/opr_impl.cpp
index 9084c94ead24268d787dbbe4bd07b5d16e06563d..f4802f99c30249129047bcd2127e8f487f3ea541 100644
--- a/dnn/src/fallback/resize/opr_impl.cpp
+++ b/dnn/src/fallback/resize/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/resize/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/resize/opr_impl.h b/dnn/src/fallback/resize/opr_impl.h
index 6343632fe2a38d4ab7d9ca3d86ad9872558369ba..d384fe635e7782d2b838261506efa440aa13f58c 100644
--- a/dnn/src/fallback/resize/opr_impl.h
+++ b/dnn/src/fallback/resize/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/resize/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/roi_copy/opr_impl.cpp b/dnn/src/fallback/roi_copy/opr_impl.cpp
index 29bb2a011e37486222e4d6c44befe1c1a8a0c4b2..43dfc3142659e58ef964e4a923c1727b15ef9f18 100644
--- a/dnn/src/fallback/roi_copy/opr_impl.cpp
+++ b/dnn/src/fallback/roi_copy/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/roi_copy/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/roi_copy/opr_impl.h b/dnn/src/fallback/roi_copy/opr_impl.h
index 8cf2ffab9d473f757cf19922cd6100bb9da519d6..1221486b9ff6c3c20c68750c119852551a185e31 100644
--- a/dnn/src/fallback/roi_copy/opr_impl.h
+++ b/dnn/src/fallback/roi_copy/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/roi_copy/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/rotate/opr_impl.cpp b/dnn/src/fallback/rotate/opr_impl.cpp
index cb43b164f1fdef807619f8d45f0966dfb9d20366..7cfc07e69ff548310d543602258976a545631704 100644
--- a/dnn/src/fallback/rotate/opr_impl.cpp
+++ b/dnn/src/fallback/rotate/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/rotate/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/rotate/opr_impl.h b/dnn/src/fallback/rotate/opr_impl.h
index d926ac8fae9b13f5287e2cb70b1fe36dd1ad6dde..72b31527ee9534928646044e8c6a63c4d71e955a 100644
--- a/dnn/src/fallback/rotate/opr_impl.h
+++ b/dnn/src/fallback/rotate/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/rotate/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/split/opr_impl.cpp b/dnn/src/fallback/split/opr_impl.cpp
index 7152d4f7f1acb6a7c7166b4a9ff08806618be502..5d385f010fc2f92104d1fe2516396b0ee55ec0d4 100644
--- a/dnn/src/fallback/split/opr_impl.cpp
+++ b/dnn/src/fallback/split/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/split/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/split/opr_impl.h b/dnn/src/fallback/split/opr_impl.h
index 2ae8cbdf44f7ab5a914b2fffeb3e9a3cda6bd8de..12867900348e6c3b7fd81d3499d10f0b4f5f7f6f 100644
--- a/dnn/src/fallback/split/opr_impl.h
+++ b/dnn/src/fallback/split/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/split/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/tile/opr_impl.cpp b/dnn/src/fallback/tile/opr_impl.cpp
index f9a36a4db2f2b6ac525dfc969a5e27ce4ab2de5b..68362372093eee7b88186211f323464962736d24 100644
--- a/dnn/src/fallback/tile/opr_impl.cpp
+++ b/dnn/src/fallback/tile/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/tile/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/tile/opr_impl.h b/dnn/src/fallback/tile/opr_impl.h
index 58cc68851e32ab5c02219ee2e2759379d7459195..5966fc1d697ad08dd637237c4f541c222ea4ff95 100644
--- a/dnn/src/fallback/tile/opr_impl.h
+++ b/dnn/src/fallback/tile/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/tile/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/type_cvt/opr_impl.cpp b/dnn/src/fallback/type_cvt/opr_impl.cpp
index e01054684936a1c2643ff50228052caf8a644f55..354064766e4517087a99cba6f7dc9b6d8d77c559 100644
--- a/dnn/src/fallback/type_cvt/opr_impl.cpp
+++ b/dnn/src/fallback/type_cvt/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/type_cvt/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/type_cvt/opr_impl.h b/dnn/src/fallback/type_cvt/opr_impl.h
index b54938f717378a7953e7133703b362140cbb3089..67ba791d0c97d5f0fc14d3085e46cef81b8c9df9 100644
--- a/dnn/src/fallback/type_cvt/opr_impl.h
+++ b/dnn/src/fallback/type_cvt/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/type_cvt/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/warp_perspective/opr_impl.cpp b/dnn/src/fallback/warp_perspective/opr_impl.cpp
index 61b6ba2264781d49daf56b11098cc9dcf237b4e6..cb76f34361d6f4aca68a29e62af19b6ed25f935b 100644
--- a/dnn/src/fallback/warp_perspective/opr_impl.cpp
+++ b/dnn/src/fallback/warp_perspective/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/warp_perspective/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/fallback/warp_perspective/opr_impl.h b/dnn/src/fallback/warp_perspective/opr_impl.h
index 284e91b879ececba07a709c2f419f5397b1ecc33..34113f863aaf268d8c8a7853a00b47ddcded869b 100644
--- a/dnn/src/fallback/warp_perspective/opr_impl.h
+++ b/dnn/src/fallback/warp_perspective/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/fallback/warp_perspective/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/adaptive_pooling/opr_impl.cpp b/dnn/src/naive/adaptive_pooling/opr_impl.cpp
index 0d6f53e67c2f4e6235dccee80f36415f7e2b0108..68355132c0192b7cff2fd7b762077645564bda7d 100644
--- a/dnn/src/naive/adaptive_pooling/opr_impl.cpp
+++ b/dnn/src/naive/adaptive_pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/adaptive_pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/adaptive_pooling/opr_impl.h b/dnn/src/naive/adaptive_pooling/opr_impl.h
index cb3bec172ce1db39878aaeb594ce443b810899b5..8a2b55c9f1f8e5b409ebb176ca437377b299f1d6 100644
--- a/dnn/src/naive/adaptive_pooling/opr_impl.h
+++ b/dnn/src/naive/adaptive_pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/adaptive_pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/add_update/opr_impl.cpp b/dnn/src/naive/add_update/opr_impl.cpp
index a47a4e4b17b46f0480f0b8e599192791e9293478..40e064d2312f33ea6e3159449b5a7e4aa958a1d1 100644
--- a/dnn/src/naive/add_update/opr_impl.cpp
+++ b/dnn/src/naive/add_update/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/add_update/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/add_update/opr_impl.h b/dnn/src/naive/add_update/opr_impl.h
index cd3abf3c0a5c229b0f5c754cbd3510ee7dff2d8f..ecb3450525104c2802ba41e577332ec100a45bb9 100644
--- a/dnn/src/naive/add_update/opr_impl.h
+++ b/dnn/src/naive/add_update/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/add_update/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/argmxx/opr_impl.cpp b/dnn/src/naive/argmxx/opr_impl.cpp
index 8cca17aed32c11beb951550543041f3666db213a..7d0033337a281348a22e50ecaa18f059efee63d4 100644
--- a/dnn/src/naive/argmxx/opr_impl.cpp
+++ b/dnn/src/naive/argmxx/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/argmxx/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/argmxx/opr_impl.h b/dnn/src/naive/argmxx/opr_impl.h
index fc9b8081fc3ff1f70033239486ba97e1e7e9463b..114dd7a840ed7a8abac35555d53b31211e30748d 100644
--- a/dnn/src/naive/argmxx/opr_impl.h
+++ b/dnn/src/naive/argmxx/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/argmxx/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/argsort/opr_impl.cpp b/dnn/src/naive/argsort/opr_impl.cpp
index b08647317ed556c40d2c1fe8def0bc386d05a659..3aba177e82ef30a58fe90cac91f971be9b7fbac2 100644
--- a/dnn/src/naive/argsort/opr_impl.cpp
+++ b/dnn/src/naive/argsort/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/argsort/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/argsort/opr_impl.h b/dnn/src/naive/argsort/opr_impl.h
index 7169555684ae7141a1e1dbabae40585928f40910..d74cd72d63f4365fd329484c79472903555c2243 100644
--- a/dnn/src/naive/argsort/opr_impl.h
+++ b/dnn/src/naive/argsort/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/argsort/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/batch_conv_bias/opr_impl.cpp b/dnn/src/naive/batch_conv_bias/opr_impl.cpp
index 7de57961b1175b76ee2326073fa6e7c370cc0c4b..51efe2bf2702bae4d8a15c7e70f390cce9a4877d 100644
--- a/dnn/src/naive/batch_conv_bias/opr_impl.cpp
+++ b/dnn/src/naive/batch_conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/batch_conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/batch_conv_bias/opr_impl.h b/dnn/src/naive/batch_conv_bias/opr_impl.h
index 7a0fbc5cdc95d4b5c5ab95ac74730093f8c923d0..1e82696d4605dd4ae69c7b2eb2f44d7917b6d96a 100644
--- a/dnn/src/naive/batch_conv_bias/opr_impl.h
+++ b/dnn/src/naive/batch_conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/batch_conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/batch_normalization/opr_impl.cpp b/dnn/src/naive/batch_normalization/opr_impl.cpp
index 51e01f398371fe7d30f8e2a8c885908ec287f645..c944d4d4df78ad803a5150c710cc0d8d5e1c6630 100644
--- a/dnn/src/naive/batch_normalization/opr_impl.cpp
+++ b/dnn/src/naive/batch_normalization/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/batch_normalization/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/batch_normalization/opr_impl.h b/dnn/src/naive/batch_normalization/opr_impl.h
index f873cb15a00a0add9f75a2794fbc68756592bf70..ecaee7ccb039cf032f0140051ddda3852337952e 100644
--- a/dnn/src/naive/batch_normalization/opr_impl.h
+++ b/dnn/src/naive/batch_normalization/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/batch_normalization/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/batched_matrix_mul/opr_impl.cpp b/dnn/src/naive/batched_matrix_mul/opr_impl.cpp
index 073a3ecb4c46a02bc5d6b6765bc31cb593a26219..bbd616607c57afefc4b6c3b1e746285f10faa044 100644
--- a/dnn/src/naive/batched_matrix_mul/opr_impl.cpp
+++ b/dnn/src/naive/batched_matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/batched_matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/batched_matrix_mul/opr_impl.h b/dnn/src/naive/batched_matrix_mul/opr_impl.h
index 58dc718ffcac01cce6e1d781759c771baad9a709..3b1a4411d0a6144783a0dd4b0f9fff792ee9343c 100644
--- a/dnn/src/naive/batched_matrix_mul/opr_impl.h
+++ b/dnn/src/naive/batched_matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/batched_matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/checksum/opr_impl.cpp b/dnn/src/naive/checksum/opr_impl.cpp
index 96243ec32489d70de1e558eb12011d9700dc63a7..23be4bd2737e9d46574d68eef8390e5fa6f9d5db 100644
--- a/dnn/src/naive/checksum/opr_impl.cpp
+++ b/dnn/src/naive/checksum/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/checksum/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/checksum/opr_impl.h b/dnn/src/naive/checksum/opr_impl.h
index 490b9b25113712cabc13657bd22b44e3177c2870..050112315adf7dc1d6a174594f38905111180cb5 100644
--- a/dnn/src/naive/checksum/opr_impl.h
+++ b/dnn/src/naive/checksum/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/checksum/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/concat/concat.cpp b/dnn/src/naive/concat/concat.cpp
index 2fe8f8020573382f624e163bba0887945fc3bcb8..f580672e4b8736f82b5f6985ea66f8b1770bfcdf 100644
--- a/dnn/src/naive/concat/concat.cpp
+++ b/dnn/src/naive/concat/concat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/concat/concat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/concat/opr_impl.h b/dnn/src/naive/concat/opr_impl.h
index 1516ec08e3724d863280ef64035f59fd7f464ba5..beacfb6629d964f4d5067c56c977139244845498 100644
--- a/dnn/src/naive/concat/opr_impl.h
+++ b/dnn/src/naive/concat/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/concat/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/cond_take/opr_impl.cpp b/dnn/src/naive/cond_take/opr_impl.cpp
index 39fba5ab472265ee2a8dbc59238296c805e3b2cf..911add8e79bf4b4d4c3f309e41f990e7b0b61c31 100644
--- a/dnn/src/naive/cond_take/opr_impl.cpp
+++ b/dnn/src/naive/cond_take/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/cond_take/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/cond_take/opr_impl.h b/dnn/src/naive/cond_take/opr_impl.h
index 5cf57f60564f5e51536fde55091ef8bdf0e64a86..de217867dae6f145586071245998ca0223941ec3 100644
--- a/dnn/src/naive/cond_take/opr_impl.h
+++ b/dnn/src/naive/cond_take/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/cond_take/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/conv_bias/opr_impl.cpp b/dnn/src/naive/conv_bias/opr_impl.cpp
index 005f51515b8680de40e667e5b90430c95bd9c4b0..9c9a12e38a5553b96a74b1c7030b3a6d9ddee595 100644
--- a/dnn/src/naive/conv_bias/opr_impl.cpp
+++ b/dnn/src/naive/conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/conv_bias/opr_impl.h b/dnn/src/naive/conv_bias/opr_impl.h
index 47b9d4c67c8d9361d943996e6fccd1848e9f9e8d..982a2a7d4246f3d97d036ff9c47dbb6968405ccf 100644
--- a/dnn/src/naive/conv_bias/opr_impl.h
+++ b/dnn/src/naive/conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convolution/algorithms.h b/dnn/src/naive/convolution/algorithms.h
index 6ed1ba522150609a75884acf8e0eef5483009b69..11bfa8a09006eec8d37ec0180c2f5897ef5fec37 100644
--- a/dnn/src/naive/convolution/algorithms.h
+++ b/dnn/src/naive/convolution/algorithms.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convolution/algorithms.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convolution/convolution.cpp b/dnn/src/naive/convolution/convolution.cpp
index 134c6f0afb63e604dfda60400146bc1ce608c642..aa8ec34d589807a4c7dd81976f00bf439294114a 100644
--- a/dnn/src/naive/convolution/convolution.cpp
+++ b/dnn/src/naive/convolution/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convolution/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convolution/helper.h b/dnn/src/naive/convolution/helper.h
index f490f23ae879417a4df516a778e561ddf00a9cf4..65617c5c0891a7a5349473ca594a03e95278ea9b 100644
--- a/dnn/src/naive/convolution/helper.h
+++ b/dnn/src/naive/convolution/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convolution/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convolution/opr_impl.h b/dnn/src/naive/convolution/opr_impl.h
index b3d9a4d1e558eab8e99d2bd758028e3ff2d720f8..a7427f0124e028ba05afe8355aa9de6edac896c8 100644
--- a/dnn/src/naive/convolution/opr_impl.h
+++ b/dnn/src/naive/convolution/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convolution/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convolution3d/algorithms.h b/dnn/src/naive/convolution3d/algorithms.h
index 4d7652cbb6b6ba00171570c8b5412500782112cc..74101ec969aea7f503b271085fdb8e257af684da 100644
--- a/dnn/src/naive/convolution3d/algorithms.h
+++ b/dnn/src/naive/convolution3d/algorithms.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convolution3d/algorithms.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convolution3d/convolution3d.cpp b/dnn/src/naive/convolution3d/convolution3d.cpp
index ab91771c8f3e96abf2e76b2ab75f8bfb22ecba1c..81aca98c82e6f11d23ddb14f04fa5f132f0b1a0d 100644
--- a/dnn/src/naive/convolution3d/convolution3d.cpp
+++ b/dnn/src/naive/convolution3d/convolution3d.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convolution3d/convolution3d.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convolution3d/helper.h b/dnn/src/naive/convolution3d/helper.h
index c5b9b42ce208626b50e4ec5b96a2a682c6886ad1..478eda5d98f5da0c2fe7aa598af53f215dc5e236 100644
--- a/dnn/src/naive/convolution3d/helper.h
+++ b/dnn/src/naive/convolution3d/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convolution3d/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convolution3d/opr_impl.h b/dnn/src/naive/convolution3d/opr_impl.h
index 1e4800d3f9a64773da4f89b2c8f2a7b17e278ff1..da1830dceb9997fdab36e5d3635b7dadc8c01e63 100644
--- a/dnn/src/naive/convolution3d/opr_impl.h
+++ b/dnn/src/naive/convolution3d/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convolution3d/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convpooling/conv_pooling.cpp b/dnn/src/naive/convpooling/conv_pooling.cpp
index d91e52ef04b6c4ec8c256917dfc8df3452fe6816..b107ae0bbebd56d871fa5f21c547a24b48593a38 100644
--- a/dnn/src/naive/convpooling/conv_pooling.cpp
+++ b/dnn/src/naive/convpooling/conv_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convpooling/conv_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/convpooling/opr_impl.h b/dnn/src/naive/convpooling/opr_impl.h
index 02849b26e9506d81b860ca23c8434b933ff9feb4..597c7f10478eef54223a685fb1dad6cf1a0dd27f 100644
--- a/dnn/src/naive/convpooling/opr_impl.h
+++ b/dnn/src/naive/convpooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/convpooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/cumsum/opr_impl.cpp b/dnn/src/naive/cumsum/opr_impl.cpp
index 01cd40917ea621936e4f01ed1baa7a79e70f78c2..69ce005bd5dd42d6833715b00a8489b6a88ff3a0 100644
--- a/dnn/src/naive/cumsum/opr_impl.cpp
+++ b/dnn/src/naive/cumsum/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/cumsum/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/cumsum/opr_impl.h b/dnn/src/naive/cumsum/opr_impl.h
index 133ad0fe3b0456341160a108d05196721e21e567..9aafff4dddfad5cb2bb989127e988a306771809d 100644
--- a/dnn/src/naive/cumsum/opr_impl.h
+++ b/dnn/src/naive/cumsum/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/cumsum/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/cvt_color/opr_impl.cpp b/dnn/src/naive/cvt_color/opr_impl.cpp
index 939aaf7c3ebf4ce7443c972154ab732222e8a50b..4e49f006822d2de22620927483449e49e3716a88 100644
--- a/dnn/src/naive/cvt_color/opr_impl.cpp
+++ b/dnn/src/naive/cvt_color/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/cvt_color/opr_impl.h b/dnn/src/naive/cvt_color/opr_impl.h
index 90b3c5799cfcbfd00eeeba6a58853c1efb2c3fbb..df7c96f586045c86111fe1e6cdc7abd21e12754f 100644
--- a/dnn/src/naive/cvt_color/opr_impl.h
+++ b/dnn/src/naive/cvt_color/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/cvt_color/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/dct/opr_impl.cpp b/dnn/src/naive/dct/opr_impl.cpp
index 3b93305c0c2b15c4f2c00ba17d42d3e4d98094ec..aed3394cf3f293861ca0655cda450fa94ba88dfc 100644
--- a/dnn/src/naive/dct/opr_impl.cpp
+++ b/dnn/src/naive/dct/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/dct/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/dct/opr_impl.h b/dnn/src/naive/dct/opr_impl.h
index e0d1405ee701812f579753cc95859352f4e78b08..1cd4ce39ce4699caa2dab828035aafab571ec60b 100644
--- a/dnn/src/naive/dct/opr_impl.h
+++ b/dnn/src/naive/dct/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/dct/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/deformable_conv/opr_impl.cpp b/dnn/src/naive/deformable_conv/opr_impl.cpp
index 90c4bb174961de2f24ef2493d58df2df974d9ae8..41135e3328d803aadde60d2b85f01c5b05368223 100644
--- a/dnn/src/naive/deformable_conv/opr_impl.cpp
+++ b/dnn/src/naive/deformable_conv/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/deformable_conv/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/deformable_conv/opr_impl.h b/dnn/src/naive/deformable_conv/opr_impl.h
index 508869044cc2e8e6f48135fb90f14c8ed279db92..77d3786a9d1740f90964b44a271cbc4f46cdf61f 100644
--- a/dnn/src/naive/deformable_conv/opr_impl.h
+++ b/dnn/src/naive/deformable_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/deformable_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/deformable_ps_roi_pooling/opr_impl.cpp b/dnn/src/naive/deformable_ps_roi_pooling/opr_impl.cpp
index e8c04fa24eda7fe9c25d8276d47f9fbdf37fe655..1f728e3deeccb179c2a5f864eaf233bbd1f30517 100644
--- a/dnn/src/naive/deformable_ps_roi_pooling/opr_impl.cpp
+++ b/dnn/src/naive/deformable_ps_roi_pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/deformable_ps_roi_pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/deformable_ps_roi_pooling/opr_impl.h b/dnn/src/naive/deformable_ps_roi_pooling/opr_impl.h
index 65e8ba4deb2b5f210ff457391d239a141f262298..c770cb5a3470c928750f86337de8ea0ea07b23e3 100644
--- a/dnn/src/naive/deformable_ps_roi_pooling/opr_impl.h
+++ b/dnn/src/naive/deformable_ps_roi_pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/deformable_ps_roi_pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/dot/opr_impl.cpp b/dnn/src/naive/dot/opr_impl.cpp
index 34d55384f2f4e50d37004f77505ca0221ba2ae84..68e35f9d3bd9ec3cd1ec6a344e0bbda77ee2bb7c 100644
--- a/dnn/src/naive/dot/opr_impl.cpp
+++ b/dnn/src/naive/dot/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/dot/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/dot/opr_impl.h b/dnn/src/naive/dot/opr_impl.h
index 8194449d1ef798c7cc3d20384566bfe144792da3..3ed8799f8d680a93dfb9caeb3ec66471beac1f2e 100644
--- a/dnn/src/naive/dot/opr_impl.h
+++ b/dnn/src/naive/dot/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/dot/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/elemwise/kern_caller.h b/dnn/src/naive/elemwise/kern_caller.h
index af6b622bb97b64b67d68ddd86b02bc041019d176..ad71c882370fa883ee3efa9d3bb71a5477987b47 100644
--- a/dnn/src/naive/elemwise/kern_caller.h
+++ b/dnn/src/naive/elemwise/kern_caller.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/elemwise/kern_caller.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/elemwise/kern_impl.inl b/dnn/src/naive/elemwise/kern_impl.inl
index f94b625123aec5ea80aa1e90ca78b327396e25e0..7bd91263926f5c552b75f0c4983f7f3fd40bbe3a 100644
--- a/dnn/src/naive/elemwise/kern_impl.inl
+++ b/dnn/src/naive/elemwise/kern_impl.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/elemwise/kern_impl.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/elemwise/opr_impl.cpp b/dnn/src/naive/elemwise/opr_impl.cpp
index bdb46602a7ad3e87189c7ed5dbff41b17cc16684..8af6b735c527ede4ffe11c1fae95b9680dddcf2f 100644
--- a/dnn/src/naive/elemwise/opr_impl.cpp
+++ b/dnn/src/naive/elemwise/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/elemwise/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/elemwise/opr_impl.h b/dnn/src/naive/elemwise/opr_impl.h
index 523c97122a2083997a8bdc477d09ea1c5f5adcfe..52b438873d5f2db6419838648f142cb9f739d87f 100644
--- a/dnn/src/naive/elemwise/opr_impl.h
+++ b/dnn/src/naive/elemwise/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/elemwise/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/elemwise_multi_type/opr_impl.cpp b/dnn/src/naive/elemwise_multi_type/opr_impl.cpp
index 83269b1a255fd6d20f91ce93f78e357074d3adbe..328cacf0a0d510f9c2041ec728cdaa5277abda38 100644
--- a/dnn/src/naive/elemwise_multi_type/opr_impl.cpp
+++ b/dnn/src/naive/elemwise_multi_type/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/elemwise_multi_type/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/elemwise_multi_type/opr_impl.h b/dnn/src/naive/elemwise_multi_type/opr_impl.h
index 5d2e7ce2377a78d13596f8bc8ea7231ea45facea..c180d4790c7dd8a09a8cad8b689d316914bb6e17 100644
--- a/dnn/src/naive/elemwise_multi_type/opr_impl.h
+++ b/dnn/src/naive/elemwise_multi_type/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/elemwise_multi_type/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/eye/opr_impl.cpp b/dnn/src/naive/eye/opr_impl.cpp
index 69df989baf09a11da97ec9effe549ca45e539560..bd76813b4dcdc1df89790ce9f6e2d8e4175e4c82 100644
--- a/dnn/src/naive/eye/opr_impl.cpp
+++ b/dnn/src/naive/eye/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/eye/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/eye/opr_impl.h b/dnn/src/naive/eye/opr_impl.h
index dd99243cd35c4c0296f5a86c506d8f2a14a80852..5838a0dd0c9dcc7cae38c36e4aa3446e182f086c 100644
--- a/dnn/src/naive/eye/opr_impl.h
+++ b/dnn/src/naive/eye/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/eye/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/fake_quant/opr_impl.cpp b/dnn/src/naive/fake_quant/opr_impl.cpp
index d9262e81efb438e40bb7da241c2eebf7c450193a..ce153febf17df87672945ce5974a2cff08b3e4ab 100644
--- a/dnn/src/naive/fake_quant/opr_impl.cpp
+++ b/dnn/src/naive/fake_quant/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/fakequant/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/fake_quant/opr_impl.h b/dnn/src/naive/fake_quant/opr_impl.h
index 8353edd37346413d718b8c7199ecd06b0b5be388..59cc11fa2d2821b009225e9876116a857e38f3dc 100644
--- a/dnn/src/naive/fake_quant/opr_impl.h
+++ b/dnn/src/naive/fake_quant/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/fakequant/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/flip/opr_impl.cpp b/dnn/src/naive/flip/opr_impl.cpp
index af34852acad4446863b864b37c65e2a7a1e12378..bd89e943d3f3313fff97256776b9ff43ee990bd0 100644
--- a/dnn/src/naive/flip/opr_impl.cpp
+++ b/dnn/src/naive/flip/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/flip/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/flip/opr_impl.h b/dnn/src/naive/flip/opr_impl.h
index 889b4dc2957a77e2c1c87ec42c31047b33c329c4..ac9c03f28e83d72eb5bab70d9ef264e014f88428 100644
--- a/dnn/src/naive/flip/opr_impl.h
+++ b/dnn/src/naive/flip/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/flip/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/gaussian_blur/opr_impl.cpp b/dnn/src/naive/gaussian_blur/opr_impl.cpp
index fb10cd6725dbe87dc07a4a5e89c13ccf8bba71a1..757134d355a0abfd376032efe404b67100899fe1 100644
--- a/dnn/src/naive/gaussian_blur/opr_impl.cpp
+++ b/dnn/src/naive/gaussian_blur/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/gaussian_blur/opr_impl.h b/dnn/src/naive/gaussian_blur/opr_impl.h
index 18b2f12a96d71585c6a596bd233d45169f5282d9..0c4abe2f970d6922ac46962e87befcfc96f866ee 100644
--- a/dnn/src/naive/gaussian_blur/opr_impl.h
+++ b/dnn/src/naive/gaussian_blur/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/gaussian_blur/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/group_local/opr_impl.cpp b/dnn/src/naive/group_local/opr_impl.cpp
index 7206f14b4f5a78f4c18bdaf9a336150e38f1ff6a..d1f1a0aa8f48dd8dd132bffadcad438c66741d1b 100644
--- a/dnn/src/naive/group_local/opr_impl.cpp
+++ b/dnn/src/naive/group_local/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/group_local/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/group_local/opr_impl.h b/dnn/src/naive/group_local/opr_impl.h
index 8ab4187a160858729c0457d76fb9bf15c3fee8f2..a60e612bdf3c1f8cf8f86f74411c645f6c0151f5 100644
--- a/dnn/src/naive/group_local/opr_impl.h
+++ b/dnn/src/naive/group_local/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/group_local/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/handle.cpp b/dnn/src/naive/handle.cpp
index a2c210f3895ee446717d752959f47d30c099c757..0e936d7b094be1c9f33ee854c7f2019011a7f450 100644
--- a/dnn/src/naive/handle.cpp
+++ b/dnn/src/naive/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/handle.h b/dnn/src/naive/handle.h
index 27bc57ec6c8b8cf036721bc7e4805cbb6b004da8..d687d0b1ad3d19bab11ef174cd4d53e8a4318338 100644
--- a/dnn/src/naive/handle.h
+++ b/dnn/src/naive/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/images2neibs/opr_impl.cpp b/dnn/src/naive/images2neibs/opr_impl.cpp
index aaa1ae04d53c984291eab8c60caf8c22226ab904..20d7794143db4102d476ea41d531aff102879bb4 100644
--- a/dnn/src/naive/images2neibs/opr_impl.cpp
+++ b/dnn/src/naive/images2neibs/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/images2neibs/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/images2neibs/opr_impl.h b/dnn/src/naive/images2neibs/opr_impl.h
index 6ea4810aab6662d60e0a31ef232076dcc06d5d9c..f9dfc45a740851340a96ed75570f86e61cc4d6b1 100644
--- a/dnn/src/naive/images2neibs/opr_impl.h
+++ b/dnn/src/naive/images2neibs/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/images2neibs/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/indexing_multi_axis_vec/opr_impl.cpp b/dnn/src/naive/indexing_multi_axis_vec/opr_impl.cpp
index 16ca74b0cd99d108e2b1148baa207ec2e98ed134..e52b8d56be94f11877ce5c05f535a5201c969e0d 100644
--- a/dnn/src/naive/indexing_multi_axis_vec/opr_impl.cpp
+++ b/dnn/src/naive/indexing_multi_axis_vec/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/indexing_multi_axis_vec/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/indexing_multi_axis_vec/opr_impl.h b/dnn/src/naive/indexing_multi_axis_vec/opr_impl.h
index c8e7a950de0ffe41ae838170f7f935bc5ad35452..474fc3076ee5c9a346833f1fb4842a5a2cb02c99 100644
--- a/dnn/src/naive/indexing_multi_axis_vec/opr_impl.h
+++ b/dnn/src/naive/indexing_multi_axis_vec/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/indexing_multi_axis_vec/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/indexing_one_hot/opr_impl.cpp b/dnn/src/naive/indexing_one_hot/opr_impl.cpp
index de5b85e7e4cf97b19ff58fe6fcc61212ff5a3f6c..b4c6a8ac5e864c712f33b2a7cc746dbd305987ca 100644
--- a/dnn/src/naive/indexing_one_hot/opr_impl.cpp
+++ b/dnn/src/naive/indexing_one_hot/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/indexing_one_hot/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/indexing_one_hot/opr_impl.h b/dnn/src/naive/indexing_one_hot/opr_impl.h
index f6956d53ab70fcf882cf98e82cb1f45db06deef2..275d8f15ff850799fffca3728102563b163b7538 100644
--- a/dnn/src/naive/indexing_one_hot/opr_impl.h
+++ b/dnn/src/naive/indexing_one_hot/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/indexing_one_hot/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/linspace/opr_impl.cpp b/dnn/src/naive/linspace/opr_impl.cpp
index 236bd7449705e1a6e9f91bb32626c62dd7f87003..32974e945fcb8e4cd233315da0c405ef9d7037e4 100644
--- a/dnn/src/naive/linspace/opr_impl.cpp
+++ b/dnn/src/naive/linspace/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/linspace/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/linspace/opr_impl.h b/dnn/src/naive/linspace/opr_impl.h
index 881f04bbd72a682aca51abb62ceacefdc5512c00..29b917ad46c8bdef1cb9e6b1b391cc0baf7dbb6f 100644
--- a/dnn/src/naive/linspace/opr_impl.h
+++ b/dnn/src/naive/linspace/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/linspace/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/local/local.cpp b/dnn/src/naive/local/local.cpp
index 3419d174df804ffb6fd91f80d90b5ab0cb8386da..1b70afaaf3f7d8b6a0444f69c11ec1bdd448adc6 100644
--- a/dnn/src/naive/local/local.cpp
+++ b/dnn/src/naive/local/local.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/local/local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/local/opr_impl.h b/dnn/src/naive/local/opr_impl.h
index c62c4becba3cacb5cba093833d85ec8293610df5..92c31350a11d74037fb34cef194324d628c4050e 100644
--- a/dnn/src/naive/local/opr_impl.h
+++ b/dnn/src/naive/local/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/local/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/local_share/algorithms.h b/dnn/src/naive/local_share/algorithms.h
index fb52c21d211e69ec32b9d2db8d0cf02988dba9cd..09d40536803f2c21f46c93a5fccb8602ac6d48bf 100644
--- a/dnn/src/naive/local_share/algorithms.h
+++ b/dnn/src/naive/local_share/algorithms.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/local_share/algorithms.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/local_share/opr_impl.cpp b/dnn/src/naive/local_share/opr_impl.cpp
index 4be1554e08d8bfec7de8e13cc6f753dc772977ce..ba3413dc9c3f9bb0d73913a685cf04450c972e53 100644
--- a/dnn/src/naive/local_share/opr_impl.cpp
+++ b/dnn/src/naive/local_share/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/local_share/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/local_share/opr_impl.h b/dnn/src/naive/local_share/opr_impl.h
index 6d8b26efcc4866d1c0ee897a4f45fe83baa39985..591ee9be54a7d8b5fa176c8a2b69694c2159b26a 100644
--- a/dnn/src/naive/local_share/opr_impl.h
+++ b/dnn/src/naive/local_share/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/local_share/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/lowbit_utils.cpp b/dnn/src/naive/lowbit_utils.cpp
index 47798330e4f757cb9f5aac533e4c48cbe007ec22..786fed2169190862bc3fac947713047a2c22aa59 100644
--- a/dnn/src/naive/lowbit_utils.cpp
+++ b/dnn/src/naive/lowbit_utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/lowbit_utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/lowbit_utils.h b/dnn/src/naive/lowbit_utils.h
index 587b99d9a6fee2ab7bab76fd6289ba6be6b7fc55..f4d99e51725b8772b34182f0a7f36f3e398f9b9d 100644
--- a/dnn/src/naive/lowbit_utils.h
+++ b/dnn/src/naive/lowbit_utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/lowbit_utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/lrn/opr_impl.cpp b/dnn/src/naive/lrn/opr_impl.cpp
index f4994eea0c14c2d41ddc71850b8170b6c92d7c15..78e25dd143d9197f137a843bdfc69c3921b7d70c 100644
--- a/dnn/src/naive/lrn/opr_impl.cpp
+++ b/dnn/src/naive/lrn/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/lrn/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/lrn/opr_impl.h b/dnn/src/naive/lrn/opr_impl.h
index 9281200a1c84e974fd9b40e50dbab40995599f0d..6934ef98e51541ab5e2bd93d1c516b1f87181d2f 100644
--- a/dnn/src/naive/lrn/opr_impl.h
+++ b/dnn/src/naive/lrn/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/lrn/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/mask_conv/opr_impl.cpp b/dnn/src/naive/mask_conv/opr_impl.cpp
index aa931f7aeaed8ae504e93159518c1f16774194ab..f69f364330c5ba6935e6071ffca498f9cf2b5ac3 100644
--- a/dnn/src/naive/mask_conv/opr_impl.cpp
+++ b/dnn/src/naive/mask_conv/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/mask_conv/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/mask_conv/opr_impl.h b/dnn/src/naive/mask_conv/opr_impl.h
index 5ce2fb704ceb425ae13f288d3ce185267df54fe3..1b02319b5bb14a7a085e2da03d25295358194bf2 100644
--- a/dnn/src/naive/mask_conv/opr_impl.h
+++ b/dnn/src/naive/mask_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/mask_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/matrix_inverse/opr_impl.cpp b/dnn/src/naive/matrix_inverse/opr_impl.cpp
index 261ee2a5f32ef4cf48fd7559d560b92c9fc766ba..f790881c3dc69b07d6ebbefe065820d1d5f6202e 100644
--- a/dnn/src/naive/matrix_inverse/opr_impl.cpp
+++ b/dnn/src/naive/matrix_inverse/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/matrix_inverse/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/matrix_inverse/opr_impl.h b/dnn/src/naive/matrix_inverse/opr_impl.h
index 391caf6869b3f9cd9bbda1eb86e85345628a6592..cb984337309e82eb283aaa5984a1754fa4bb2855 100644
--- a/dnn/src/naive/matrix_inverse/opr_impl.h
+++ b/dnn/src/naive/matrix_inverse/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/matrix_inverse/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/matrix_mul/matrix_mul_helper.h b/dnn/src/naive/matrix_mul/matrix_mul_helper.h
index bfa227bce996bd431f8418ac06731aa66479d545..9ef5c4842403aa1bfdd8aa7bc5dc2ac7cb46ff31 100644
--- a/dnn/src/naive/matrix_mul/matrix_mul_helper.h
+++ b/dnn/src/naive/matrix_mul/matrix_mul_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/matrix_mul/matrix_mul_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/matrix_mul/opr_impl.cpp b/dnn/src/naive/matrix_mul/opr_impl.cpp
index 5141ea35a04b151671864303b37cb8367eaf2475..0b01c654f8e15fe8106565f9988965d996e02f03 100644
--- a/dnn/src/naive/matrix_mul/opr_impl.cpp
+++ b/dnn/src/naive/matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/matrix_mul/opr_impl.h b/dnn/src/naive/matrix_mul/opr_impl.h
index 6ed0c72f220e53d40ab3c11627d000720a3309d2..6c0416e219215f68cd1e8b36bd260742cc6b1710 100644
--- a/dnn/src/naive/matrix_mul/opr_impl.h
+++ b/dnn/src/naive/matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/max_tensor_diff/opr_impl.cpp b/dnn/src/naive/max_tensor_diff/opr_impl.cpp
index 3552de0096030e4da581783aa30cbb5b350e50ba..b2e3a97679b4503a887e7079e6648a57db46550c 100644
--- a/dnn/src/naive/max_tensor_diff/opr_impl.cpp
+++ b/dnn/src/naive/max_tensor_diff/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/max_tensor_diff/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/max_tensor_diff/opr_impl.h b/dnn/src/naive/max_tensor_diff/opr_impl.h
index 893507f45b178e236787c3b645b8692f8cb2797f..c8aebb4462d7e37175fa0fd2576c77a845c9ebb6 100644
--- a/dnn/src/naive/max_tensor_diff/opr_impl.h
+++ b/dnn/src/naive/max_tensor_diff/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/max_tensor_diff/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/mesh_indexing/opr_impl.cpp b/dnn/src/naive/mesh_indexing/opr_impl.cpp
index 05984602f401ac7134c151f74a0ebb3eafc2022f..95e166d4d0c24ae7803d4cf36a9b705cff007a6b 100644
--- a/dnn/src/naive/mesh_indexing/opr_impl.cpp
+++ b/dnn/src/naive/mesh_indexing/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/mesh_indexing/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/mesh_indexing/opr_impl.h b/dnn/src/naive/mesh_indexing/opr_impl.h
index 8fe2aed52d1c6a1f2e1505385d05b032384c4e2b..1cba0d61faa92d12dd17590ec3a8347f55cf648c 100644
--- a/dnn/src/naive/mesh_indexing/opr_impl.h
+++ b/dnn/src/naive/mesh_indexing/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/mesh_indexing/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/param_pack/opr_impl.cpp b/dnn/src/naive/param_pack/opr_impl.cpp
index c457c99ee5b462b7f9cfd1afe3d8fa5e40648b4c..668a8cb0cb2c8a37b0460af4169ff5cbb8dcde43 100644
--- a/dnn/src/naive/param_pack/opr_impl.cpp
+++ b/dnn/src/naive/param_pack/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/param_pack/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/param_pack/opr_impl.h b/dnn/src/naive/param_pack/opr_impl.h
index 0d0e15450f6222b9727f0080e0a7d3dad42a16b3..c92b1ee973df0e23c29021f32bc6a88cd952d2f6 100644
--- a/dnn/src/naive/param_pack/opr_impl.h
+++ b/dnn/src/naive/param_pack/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/param_pack/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/pooling/opr_impl.cpp b/dnn/src/naive/pooling/opr_impl.cpp
index c2d7d8e752c13d0ec70e792d7269cf2ef851b87e..834649b87f84cf41e9c83134c69c3363b903359f 100644
--- a/dnn/src/naive/pooling/opr_impl.cpp
+++ b/dnn/src/naive/pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/pooling/opr_impl.h b/dnn/src/naive/pooling/opr_impl.h
index 19ff371b29207fc55686ba7131d81901e780b61d..ed56fb646b7ea1b9dc51d9c904a40ac70ba74f8a 100644
--- a/dnn/src/naive/pooling/opr_impl.h
+++ b/dnn/src/naive/pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/powc/opr_impl.cpp b/dnn/src/naive/powc/opr_impl.cpp
index 61e052c49ebf4002e33f90d087315ed7a32dead3..6cf28fa9f81bac53f9e85aac68d87215475090cd 100644
--- a/dnn/src/naive/powc/opr_impl.cpp
+++ b/dnn/src/naive/powc/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/powc/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/powc/opr_impl.h b/dnn/src/naive/powc/opr_impl.h
index 40c0e941381a5f53c66af658cabaf9a43f3deaf0..9631aaf71913e1e5da09e6cd4dae1017d27c5df8 100644
--- a/dnn/src/naive/powc/opr_impl.h
+++ b/dnn/src/naive/powc/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/powc/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/reduce/opr_impl.cpp b/dnn/src/naive/reduce/opr_impl.cpp
index ce5e809697f13935d96c5f4eb37eabccaa4dec27..d59bbcbf16757919094d2389a746b5b82a1e11eb 100644
--- a/dnn/src/naive/reduce/opr_impl.cpp
+++ b/dnn/src/naive/reduce/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/reduce/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/reduce/opr_impl.h b/dnn/src/naive/reduce/opr_impl.h
index 8ffb0771fc1702f6bee0fa8b7f4a5e5b57dd9b47..76f6ab561df6ccce5cda213dbf609f6e1fa9eeb1 100644
--- a/dnn/src/naive/reduce/opr_impl.h
+++ b/dnn/src/naive/reduce/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/reduce/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/relayout/opr_impl.cpp b/dnn/src/naive/relayout/opr_impl.cpp
index 141649a1f6092be50420ac2e41863c7c86e4216b..dfc0a095217f7b766317d18ecb7f3a089891e7bc 100644
--- a/dnn/src/naive/relayout/opr_impl.cpp
+++ b/dnn/src/naive/relayout/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/relayout/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/relayout/opr_impl.h b/dnn/src/naive/relayout/opr_impl.h
index 19f6af78bdf022cc893838befa6809c718d7329c..59bd4dc44ac77b73bcff2a602ce2af9f00122aa6 100644
--- a/dnn/src/naive/relayout/opr_impl.h
+++ b/dnn/src/naive/relayout/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/relayout/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/relayout_format/opr_impl.cpp b/dnn/src/naive/relayout_format/opr_impl.cpp
index 447253409abf02ae2495cc4e8bdb0ba452ffa96a..d970696f33bf5020a4e8b22221176830bb608a3e 100644
--- a/dnn/src/naive/relayout_format/opr_impl.cpp
+++ b/dnn/src/naive/relayout_format/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/relayout_format/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/relayout_format/opr_impl.h b/dnn/src/naive/relayout_format/opr_impl.h
index b29cd7a06266f05ba920783f42f742e71574039a..d8fdcf4a56ca89663dbfa232b265570339028c37 100644
--- a/dnn/src/naive/relayout_format/opr_impl.h
+++ b/dnn/src/naive/relayout_format/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/relayout_format/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/remap/opr_impl.cpp b/dnn/src/naive/remap/opr_impl.cpp
index 267581560a3493d9d95519e5a6e0bfef658b8328..f03a147c8003eef0bc35a35225c24143c3bf8029 100644
--- a/dnn/src/naive/remap/opr_impl.cpp
+++ b/dnn/src/naive/remap/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/remap/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/remap/opr_impl.h b/dnn/src/naive/remap/opr_impl.h
index a5f20d4cb9bd61732b6d9edd78bb4942cae47f32..998f02a16f1f52ac42b8deb1e340b8eeffcb4371 100644
--- a/dnn/src/naive/remap/opr_impl.h
+++ b/dnn/src/naive/remap/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/remap/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/repeat/opr_impl.h b/dnn/src/naive/repeat/opr_impl.h
index 0fccd6fc988f2b294ef6ee3eeb1bf01872e33f80..12b860d006b20f8f2b9b1c080a4f665420a9b787 100644
--- a/dnn/src/naive/repeat/opr_impl.h
+++ b/dnn/src/naive/repeat/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/repeat/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/repeat/repeat.cpp b/dnn/src/naive/repeat/repeat.cpp
index fd59a90346282e678bb7ec1e893bebe7af221c27..7a1c6fb3c050c87ae6fad5b233ce9bef23297834 100644
--- a/dnn/src/naive/repeat/repeat.cpp
+++ b/dnn/src/naive/repeat/repeat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/repeat/repeat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/resize/opr_impl.cpp b/dnn/src/naive/resize/opr_impl.cpp
index 85087e0799546100e16b554bd069ae5f523e9fde..a13df34c1363cbb762563780ae0077654145e461 100644
--- a/dnn/src/naive/resize/opr_impl.cpp
+++ b/dnn/src/naive/resize/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/resize/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/resize/opr_impl.h b/dnn/src/naive/resize/opr_impl.h
index 214263771cc632d334acb67387cbe4ebe2bc1aae..eef251110b7740b340523dfa44c09b9d56feb6e7 100644
--- a/dnn/src/naive/resize/opr_impl.h
+++ b/dnn/src/naive/resize/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/resize/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/resize/resize_cv.cpp b/dnn/src/naive/resize/resize_cv.cpp
index c36ed0677391365d43a6da3181629a3b485c0846..ab5aa70185244ea9905cceea3e2f171c5c78a450 100644
--- a/dnn/src/naive/resize/resize_cv.cpp
+++ b/dnn/src/naive/resize/resize_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/resize/resize_cv.h b/dnn/src/naive/resize/resize_cv.h
index 0fa4b03f305448cacfe65603829f838eb9493e68..c8b91e9548243f88598ccdecf5a46fd5e6220206 100644
--- a/dnn/src/naive/resize/resize_cv.h
+++ b/dnn/src/naive/resize/resize_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/resize/resize_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/rng/opr_impl.cpp b/dnn/src/naive/rng/opr_impl.cpp
index 6ceb285827f9fdffa35686ffda3b4c34d28884b6..97c9bd0c577254851acf80463a81e17eab0d5dec 100644
--- a/dnn/src/naive/rng/opr_impl.cpp
+++ b/dnn/src/naive/rng/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/rng/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/rng/opr_impl.h b/dnn/src/naive/rng/opr_impl.h
index 801a319c7f0d821e68465cafebccfe2587cf6d51..6370843c08f58531af8c6ccac32e22ebb1cc037d 100644
--- a/dnn/src/naive/rng/opr_impl.h
+++ b/dnn/src/naive/rng/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/rng/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/roi_align/opr_impl.cpp b/dnn/src/naive/roi_align/opr_impl.cpp
index e2213c49f7415a81d80971ea586f71663fb1cb36..a35768184a1963c3719956d696e7cc991ec7e301 100644
--- a/dnn/src/naive/roi_align/opr_impl.cpp
+++ b/dnn/src/naive/roi_align/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/roi_align/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/roi_align/opr_impl.h b/dnn/src/naive/roi_align/opr_impl.h
index 768a558f2bddfc15aa4cd84b47e199095a65ea4d..641bd4f78b50d9da6d293e33346a27a997da4e01 100644
--- a/dnn/src/naive/roi_align/opr_impl.h
+++ b/dnn/src/naive/roi_align/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/roi_align/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/roi_copy/opr_impl.cpp b/dnn/src/naive/roi_copy/opr_impl.cpp
index 350585ffead360d5e9e5b9247b3e4761c5ff4279..4fe9240758a6a8cfd33272b94c158e54bbe9e085 100644
--- a/dnn/src/naive/roi_copy/opr_impl.cpp
+++ b/dnn/src/naive/roi_copy/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/roi_copy/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/roi_copy/opr_impl.h b/dnn/src/naive/roi_copy/opr_impl.h
index 785405e12507d55cab19acb8acb41de6916c91d3..3bcf8a1b47b8037fa7b18d9af0a2dc6128fb7186 100644
--- a/dnn/src/naive/roi_copy/opr_impl.h
+++ b/dnn/src/naive/roi_copy/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/roi_copy/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/roi_pooling/opr_impl.cpp b/dnn/src/naive/roi_pooling/opr_impl.cpp
index a5b29ccf909f4aa729550bbbc919758944a75b2e..d989c2f181a81a1b689c34555ef3ea957ace9bcc 100644
--- a/dnn/src/naive/roi_pooling/opr_impl.cpp
+++ b/dnn/src/naive/roi_pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/roi_pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/roi_pooling/opr_impl.h b/dnn/src/naive/roi_pooling/opr_impl.h
index ca1e136dd5a61398906e6cfe36d1caeba652c7f0..8b8a986a9620be371c317f2a2365ec1bc37e6c25 100644
--- a/dnn/src/naive/roi_pooling/opr_impl.h
+++ b/dnn/src/naive/roi_pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/roi_pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/rotate/opr_impl.cpp b/dnn/src/naive/rotate/opr_impl.cpp
index 0cc0f5a80b1821c10357955be2cc36506cb5ba3a..a213071a46b4c1f9efdd21afe197988eec23ae95 100644
--- a/dnn/src/naive/rotate/opr_impl.cpp
+++ b/dnn/src/naive/rotate/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/rotate/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/rotate/opr_impl.h b/dnn/src/naive/rotate/opr_impl.h
index ba610c656a781e268036e703620cb554a3400d01..e597b4007820322f2f08bb5f830b424844428c22 100644
--- a/dnn/src/naive/rotate/opr_impl.h
+++ b/dnn/src/naive/rotate/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/rotate/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/separable_conv/opr_impl.cpp b/dnn/src/naive/separable_conv/opr_impl.cpp
index b2630eed03202c5d15410f5c71d14d890c48ac1a..aa09561148776bec447f257b0ff097786ae76ccf 100644
--- a/dnn/src/naive/separable_conv/opr_impl.cpp
+++ b/dnn/src/naive/separable_conv/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/separable_conv/opr_impl.h b/dnn/src/naive/separable_conv/opr_impl.h
index e69f31ce580e06e859cb040b46295e800a625a1a..deaae3d6f4d72a12e79472348c9a96ac083b4cbb 100644
--- a/dnn/src/naive/separable_conv/opr_impl.h
+++ b/dnn/src/naive/separable_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/separable_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/separable_filter/opr_impl.cpp b/dnn/src/naive/separable_filter/opr_impl.cpp
index 313624337d5749f2bcd7054f034053385ecd38b3..69e387ecadcec5a94d04c38aecb12d5fed5a1afd 100644
--- a/dnn/src/naive/separable_filter/opr_impl.cpp
+++ b/dnn/src/naive/separable_filter/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/separable_filter/opr_impl.h b/dnn/src/naive/separable_filter/opr_impl.h
index 5605e5674be3ef21827056fdc10bc60386e9eb32..dbba93a3a457de4f5a75f0c05573f1861a616bb5 100644
--- a/dnn/src/naive/separable_filter/opr_impl.h
+++ b/dnn/src/naive/separable_filter/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/separable_filter/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/sleep/opr_impl.cpp b/dnn/src/naive/sleep/opr_impl.cpp
index 83776669d15dae4d328bb50426a4cc139f560afd..db1c167d187ac770de6c5e7e49862d47d420b94d 100644
--- a/dnn/src/naive/sleep/opr_impl.cpp
+++ b/dnn/src/naive/sleep/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/sleep/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/sleep/opr_impl.h b/dnn/src/naive/sleep/opr_impl.h
index b136c95fe16a8098f7bc788faf4ea0c9de442e70..bb08322fd952f45e7802edc1b25ad2f05be9a59a 100644
--- a/dnn/src/naive/sleep/opr_impl.h
+++ b/dnn/src/naive/sleep/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/sleep/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/split/opr_impl.h b/dnn/src/naive/split/opr_impl.h
index c89ed1b3e7e217a4adfaff9f962c105b291eb38a..5a5c5eeb1778b74f4493f030603a39b4d237d1be 100644
--- a/dnn/src/naive/split/opr_impl.h
+++ b/dnn/src/naive/split/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/split/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/split/split.cpp b/dnn/src/naive/split/split.cpp
index 388561b0008fcff5227f815bad8e4f14f13d1f86..c24be2934952412d3c58abebca0b30b804a24218 100644
--- a/dnn/src/naive/split/split.cpp
+++ b/dnn/src/naive/split/split.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/split/split.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/svd/opr_impl.cpp b/dnn/src/naive/svd/opr_impl.cpp
index 1b7da5d9c759b18e0023a43906be630a208c549b..1db1803588ec83b61ccbe273451ca89e2df1f961 100644
--- a/dnn/src/naive/svd/opr_impl.cpp
+++ b/dnn/src/naive/svd/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/svd/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/svd/opr_impl.h b/dnn/src/naive/svd/opr_impl.h
index 3c2518aea072ba8d49fdc0d4029b52ec4ba62202..0e2c9764b327ac0fb77c0280dcb19cf9d4d24982 100644
--- a/dnn/src/naive/svd/opr_impl.h
+++ b/dnn/src/naive/svd/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/svd/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/tensor_remap/opr_impl.cpp b/dnn/src/naive/tensor_remap/opr_impl.cpp
index 93c11e4d9bb1be85a62966fff46ce5382b464932..81c03ce2771d38d61b41dd8fa791be843b868e79 100644
--- a/dnn/src/naive/tensor_remap/opr_impl.cpp
+++ b/dnn/src/naive/tensor_remap/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/tensor_remap/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/tensor_remap/opr_impl.h b/dnn/src/naive/tensor_remap/opr_impl.h
index f2595ef45c3a08ff71d9975a0a51dd5577a89b94..520a05c0f25db4cc80865d71183a9a24eaa68d34 100644
--- a/dnn/src/naive/tensor_remap/opr_impl.h
+++ b/dnn/src/naive/tensor_remap/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/tensor_remap/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/tile/opr_impl.h b/dnn/src/naive/tile/opr_impl.h
index 01b84ab8e49f991aca0b5cd39b70616532094b7e..d71de732194b7b586849069ad2fc57a133e2e71f 100644
--- a/dnn/src/naive/tile/opr_impl.h
+++ b/dnn/src/naive/tile/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/tile/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/tile/tile.cpp b/dnn/src/naive/tile/tile.cpp
index 1e972939cf61dd5bd2113832af4c8570a77da6ac..5d565ed24aa0f4337272e51948385e4f17988c61 100644
--- a/dnn/src/naive/tile/tile.cpp
+++ b/dnn/src/naive/tile/tile.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/tile/tile.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/topk/opr_impl.cpp b/dnn/src/naive/topk/opr_impl.cpp
index be5ac8d361fd9849a91ab0aad80f19be49090da8..0fecffc2465fdd260a2e0ce191d84346e0e76b5b 100644
--- a/dnn/src/naive/topk/opr_impl.cpp
+++ b/dnn/src/naive/topk/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/topk/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/topk/opr_impl.h b/dnn/src/naive/topk/opr_impl.h
index 837f62af9398bea84a4a177bb694d67d02fee2de..0a0b78a4e608c7b42871235ddd2f8e614125c155 100644
--- a/dnn/src/naive/topk/opr_impl.h
+++ b/dnn/src/naive/topk/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/topk/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/tqt/opr_impl.cpp b/dnn/src/naive/tqt/opr_impl.cpp
index beb0a733447e0cb8957c0e241b20037134011adf..c2746f67397c37f7598c63bda71b18185a0b9b1a 100644
--- a/dnn/src/naive/tqt/opr_impl.cpp
+++ b/dnn/src/naive/tqt/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/tqt/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/tqt/opr_impl.h b/dnn/src/naive/tqt/opr_impl.h
index 100d751113c08298c58b139a5725122064ddf1b2..530dde5790603b41e4106f7ca5a2d3e356a66b66 100644
--- a/dnn/src/naive/tqt/opr_impl.h
+++ b/dnn/src/naive/tqt/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/tqt/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/transpose/opr_impl.cpp b/dnn/src/naive/transpose/opr_impl.cpp
index 2aab347d41ce18aebaaf63ff63ae62b7ae3c4217..9e48bfdfbc489c3e30807d7d0668b36a780bd588 100644
--- a/dnn/src/naive/transpose/opr_impl.cpp
+++ b/dnn/src/naive/transpose/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/transpose/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/transpose/opr_impl.h b/dnn/src/naive/transpose/opr_impl.h
index e0ad3c0886bb78feda0a1b86cd3156948e7e99c3..3cc26fdea0c1f06df12fb5491505ebd5d6f18d40 100644
--- a/dnn/src/naive/transpose/opr_impl.h
+++ b/dnn/src/naive/transpose/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/transpose/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/type_cvt/opr_impl.cpp b/dnn/src/naive/type_cvt/opr_impl.cpp
index 87f6133acb49159b55c199f5522cf8f845a6c0ea..e44ea80840b9053947e4586f3258bdb78540ae08 100644
--- a/dnn/src/naive/type_cvt/opr_impl.cpp
+++ b/dnn/src/naive/type_cvt/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/type_cvt/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/type_cvt/opr_impl.h b/dnn/src/naive/type_cvt/opr_impl.h
index a74093af8f7c633d7f47412f0ff8574c107ef561..7d3cddffce21950620b0b22d5cede6846c386d84 100644
--- a/dnn/src/naive/type_cvt/opr_impl.h
+++ b/dnn/src/naive/type_cvt/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/type_cvt/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/warp_affine/opr_impl.cpp b/dnn/src/naive/warp_affine/opr_impl.cpp
index 3517c2b0a2ef6a2341459c44944d574638f7dde7..87a9f415efa94958f11427f978f59f8a12c73270 100644
--- a/dnn/src/naive/warp_affine/opr_impl.cpp
+++ b/dnn/src/naive/warp_affine/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/warp_affine/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/warp_affine/opr_impl.h b/dnn/src/naive/warp_affine/opr_impl.h
index d99cb1eae29952727817e824be11b37af71e4d0b..a7ce86de542f71139c8dc6381d0f97985f828dc9 100644
--- a/dnn/src/naive/warp_affine/opr_impl.h
+++ b/dnn/src/naive/warp_affine/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/warp_affine/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/warp_affine/warp_affine_cv.cpp b/dnn/src/naive/warp_affine/warp_affine_cv.cpp
index 902cf08b0937aea6c526f0eee3d81d49073ff02b..3fec28836b4d48d2bf83b0e894afd3bf1d5877a5 100644
--- a/dnn/src/naive/warp_affine/warp_affine_cv.cpp
+++ b/dnn/src/naive/warp_affine/warp_affine_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/warp_affine/warp_affine_cv.h b/dnn/src/naive/warp_affine/warp_affine_cv.h
index 98522c0773f00cd7ecddd1385797bf68a775d52c..1013b5be4e274e640cab6dd2e733ec6e99e6fc73 100644
--- a/dnn/src/naive/warp_affine/warp_affine_cv.h
+++ b/dnn/src/naive/warp_affine/warp_affine_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/warp_affine/warp_affine_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/warp_perspective/opr_impl.cpp b/dnn/src/naive/warp_perspective/opr_impl.cpp
index 370b8dd9050ef491013363455173217239002c3b..701562d724dd804d66f66a40e924ca91f6c6872e 100644
--- a/dnn/src/naive/warp_perspective/opr_impl.cpp
+++ b/dnn/src/naive/warp_perspective/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/warp_perspective/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/warp_perspective/opr_impl.h b/dnn/src/naive/warp_perspective/opr_impl.h
index 4652c568e2d08b40459502cd82b6eab0b39fd88e..01967b263a5d03cbd6d92366cdf45f299ce51b90 100644
--- a/dnn/src/naive/warp_perspective/opr_impl.h
+++ b/dnn/src/naive/warp_perspective/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/warp_perspective/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/warp_perspective/warp_perspective_cv.cpp b/dnn/src/naive/warp_perspective/warp_perspective_cv.cpp
index 82f34d0658895c9537e9d231c8dba305b67696ce..3bda03f4fde86b2bbfed2bf73653e7896042a0f2 100644
--- a/dnn/src/naive/warp_perspective/warp_perspective_cv.cpp
+++ b/dnn/src/naive/warp_perspective/warp_perspective_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/naive/warp_perspective/warp_perspective_cv.h b/dnn/src/naive/warp_perspective/warp_perspective_cv.h
index 131a4e115b86a63368564b83ee4a77cc9d43f108..2710dce2a16d5e3caf9eec9ce3f4a023db14b89e 100644
--- a/dnn/src/naive/warp_perspective/warp_perspective_cv.h
+++ b/dnn/src/naive/warp_perspective/warp_perspective_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/naive/warp_perspective/warp_perspective_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/add_update/opr_impl.cpp b/dnn/src/rocm/add_update/opr_impl.cpp
index 36230eadd13b0e8e0a39cf846b9518a78e588510..588ff758db333630e6027a7d3ea064b26e61f5b5 100644
--- a/dnn/src/rocm/add_update/opr_impl.cpp
+++ b/dnn/src/rocm/add_update/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/add_update/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/add_update/opr_impl.h b/dnn/src/rocm/add_update/opr_impl.h
index 28babaa60cde295674ff699b30fd52144b12f422..ec9eeb92e417a16e319682f1e9306c21019c7a84 100644
--- a/dnn/src/rocm/add_update/opr_impl.h
+++ b/dnn/src/rocm/add_update/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/add_update/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/argmxx/opr_impl.cpp b/dnn/src/rocm/argmxx/opr_impl.cpp
index b61ac2b3c32367649d4fecba6812f43e5bbc694c..85e94b1d5281d08c8426b7bb027e385e879736be 100644
--- a/dnn/src/rocm/argmxx/opr_impl.cpp
+++ b/dnn/src/rocm/argmxx/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/argmxx/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/argmxx/opr_impl.h b/dnn/src/rocm/argmxx/opr_impl.h
index 54cf198ff54988e2bf8bb083cd754b30b43db1ad..3bec3975dafc143f39eb8192ad05215ddab768f6 100644
--- a/dnn/src/rocm/argmxx/opr_impl.h
+++ b/dnn/src/rocm/argmxx/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/argmxx/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/batch_normalization/opr_impl.cpp b/dnn/src/rocm/batch_normalization/opr_impl.cpp
index 090854d188d93c54ecdcd9d584cf3464c9fa8423..f23ebb272682a0398cc3001dfd39f4fc4ec929fe 100644
--- a/dnn/src/rocm/batch_normalization/opr_impl.cpp
+++ b/dnn/src/rocm/batch_normalization/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/batch_normalization/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/batch_normalization/opr_impl.h b/dnn/src/rocm/batch_normalization/opr_impl.h
index 1bae0bd5b0b6fa5c7d9c8f35f1831f806b01a3b9..2c426796268c6e0e1125f387d3e6881a6bee999e 100644
--- a/dnn/src/rocm/batch_normalization/opr_impl.h
+++ b/dnn/src/rocm/batch_normalization/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/batch_normalization/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/batched_matrix_mul/algos.cpp b/dnn/src/rocm/batched_matrix_mul/algos.cpp
index 431dfe5acdeeefa4ea5db8b581789449b575b35a..4bb75e5cb2362456f22a5e7e5cd07f7899a10ffb 100644
--- a/dnn/src/rocm/batched_matrix_mul/algos.cpp
+++ b/dnn/src/rocm/batched_matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/batched_matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/batched_matrix_mul/algos.h b/dnn/src/rocm/batched_matrix_mul/algos.h
index de2d158acb68bfa461c7dceb45ef8be71e3c95c2..626f71b97174b1d9def9998e2d32c5694fedd2ba 100644
--- a/dnn/src/rocm/batched_matrix_mul/algos.h
+++ b/dnn/src/rocm/batched_matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/batched_matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/batched_matrix_mul/blas.cpp b/dnn/src/rocm/batched_matrix_mul/blas.cpp
index 9672377fa2338906dec1f6f2877ddc6bece5f2c5..2eefbfaf15b0fda5e62ac6c890eb42da2f28bd3b 100644
--- a/dnn/src/rocm/batched_matrix_mul/blas.cpp
+++ b/dnn/src/rocm/batched_matrix_mul/blas.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/batched_matrix_mul/Blas.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/batched_matrix_mul/opr_impl.cpp b/dnn/src/rocm/batched_matrix_mul/opr_impl.cpp
index 496d86bf24393ee8dd4f591ef11e888ff45bebf5..2c9788f769b5a0b2083ed481a9ead393048a4d14 100644
--- a/dnn/src/rocm/batched_matrix_mul/opr_impl.cpp
+++ b/dnn/src/rocm/batched_matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/batched_matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/batched_matrix_mul/opr_impl.h b/dnn/src/rocm/batched_matrix_mul/opr_impl.h
index fa9b0bfb05efe03e30d4a5beec53187ad1f5c7d5..4311f3d67a014b8cc3ca69a3cee2f45dec07ca25 100644
--- a/dnn/src/rocm/batched_matrix_mul/opr_impl.h
+++ b/dnn/src/rocm/batched_matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/batched_matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/checksum/opr_impl.cpp b/dnn/src/rocm/checksum/opr_impl.cpp
index d3be35c4310c828c439cb3895f5463ab0e8d45ab..3307448d9952138469414492cf38c8d3cb96b408 100644
--- a/dnn/src/rocm/checksum/opr_impl.cpp
+++ b/dnn/src/rocm/checksum/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/checksum/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/checksum/opr_impl.h b/dnn/src/rocm/checksum/opr_impl.h
index a76915fef78726d843e0c1609e861ebce3da0b7d..8ecb18f6614b618c035cb3b76d74f0c9e34652cf 100644
--- a/dnn/src/rocm/checksum/opr_impl.h
+++ b/dnn/src/rocm/checksum/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/checksum/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_data/algo.cpp b/dnn/src/rocm/convolution/backward_data/algo.cpp
index 30df20d482f67d04b4a27f3c74513af4446986d9..9b131bb45b2131d68f44cf0a9209be5b73f770ae 100644
--- a/dnn/src/rocm/convolution/backward_data/algo.cpp
+++ b/dnn/src/rocm/convolution/backward_data/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_data/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_data/algo.h b/dnn/src/rocm/convolution/backward_data/algo.h
index 81b2184364e4d8d3a4efa5c785cdef1629a2d5fd..7260bbc035eba14d56d2295bc1df78a034f40510 100644
--- a/dnn/src/rocm/convolution/backward_data/algo.h
+++ b/dnn/src/rocm/convolution/backward_data/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_data/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_data/chanwise.cpp b/dnn/src/rocm/convolution/backward_data/chanwise.cpp
index 1897504a0c8dd32aec51bbb68f6aab3ed3d15250..3713bf1cd022f99498f66f602738232e89442aa4 100644
--- a/dnn/src/rocm/convolution/backward_data/chanwise.cpp
+++ b/dnn/src/rocm/convolution/backward_data/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_data/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_data/matmul.cpp b/dnn/src/rocm/convolution/backward_data/matmul.cpp
index e7c085ab87a58bfebf450f105303d9681c28fe89..ee43d304444f632cabb03b4c2645491079ce109c 100644
--- a/dnn/src/rocm/convolution/backward_data/matmul.cpp
+++ b/dnn/src/rocm/convolution/backward_data/matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_data/matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_data/miopen.cpp b/dnn/src/rocm/convolution/backward_data/miopen.cpp
index 8787324238036e3d2941d5954d8f05e07c5d874b..0f2d63344e8e14ce188a2c13066ff1fba11a14d0 100644
--- a/dnn/src/rocm/convolution/backward_data/miopen.cpp
+++ b/dnn/src/rocm/convolution/backward_data/miopen.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_data/miopen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_filter/algo.cpp b/dnn/src/rocm/convolution/backward_filter/algo.cpp
index 35b31ca7a53abe768fe257b00ac54150888dc187..5265ca4afbfb3c3af668387a4f055c95641b1b7f 100644
--- a/dnn/src/rocm/convolution/backward_filter/algo.cpp
+++ b/dnn/src/rocm/convolution/backward_filter/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_filter/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_filter/algo.h b/dnn/src/rocm/convolution/backward_filter/algo.h
index 96f46dce3112fc00fbd5327b60d94df3f3c4cdb1..a9a1f0aebc83d5df2b5619befba8e1f37d6ff81a 100644
--- a/dnn/src/rocm/convolution/backward_filter/algo.h
+++ b/dnn/src/rocm/convolution/backward_filter/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_filter/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_filter/chanwise.cpp b/dnn/src/rocm/convolution/backward_filter/chanwise.cpp
index c16ede27ede5ebcf4db4c619a760efefc9194d4d..f808ae37665f68953e770858c15757802acda015 100644
--- a/dnn/src/rocm/convolution/backward_filter/chanwise.cpp
+++ b/dnn/src/rocm/convolution/backward_filter/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_filter/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_filter/matmul.cpp b/dnn/src/rocm/convolution/backward_filter/matmul.cpp
index 462a0ea898340af99ad8232d1ceffe5b1d5c6323..752a29367e6aaa9f51910a6a863a3ea5fe4b6be6 100644
--- a/dnn/src/rocm/convolution/backward_filter/matmul.cpp
+++ b/dnn/src/rocm/convolution/backward_filter/matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_filter/matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/backward_filter/miopen.cpp b/dnn/src/rocm/convolution/backward_filter/miopen.cpp
index d4e6e5a36e196823f201be4d491b8fe090014952..cbf28ab309cf2ea57b71a15afe9bc3e8a5f7d74d 100644
--- a/dnn/src/rocm/convolution/backward_filter/miopen.cpp
+++ b/dnn/src/rocm/convolution/backward_filter/miopen.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/backward_filter/miopen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/forward/1x1.cpp b/dnn/src/rocm/convolution/forward/1x1.cpp
index 580472fc7d3253ef5267c19362d3525657e78ddb..67913d38ee6c6ca4709fcecf78a5d1389d8f1fc3 100644
--- a/dnn/src/rocm/convolution/forward/1x1.cpp
+++ b/dnn/src/rocm/convolution/forward/1x1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/forward/1x1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/forward/algo.cpp b/dnn/src/rocm/convolution/forward/algo.cpp
index b1a5382f0abc736c4a2957c62998ec48489e95e3..d45d0c2556ca57ed05520f7b4bb19f2887786c1b 100644
--- a/dnn/src/rocm/convolution/forward/algo.cpp
+++ b/dnn/src/rocm/convolution/forward/algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/forward/algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/forward/algo.h b/dnn/src/rocm/convolution/forward/algo.h
index baf95579f775e555e30692b04e4f0a6568134d4f..ccafe0d8c3e699486af4e91d08764c9f171fd6ec 100644
--- a/dnn/src/rocm/convolution/forward/algo.h
+++ b/dnn/src/rocm/convolution/forward/algo.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/forward/algo.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/forward/chanwise.cpp b/dnn/src/rocm/convolution/forward/chanwise.cpp
index 2f46bcda09ed886592e77f48d91bdcd3f22bc10b..c0191cbedaa8b2710fbc2fb34e1319cf190c62f6 100644
--- a/dnn/src/rocm/convolution/forward/chanwise.cpp
+++ b/dnn/src/rocm/convolution/forward/chanwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/forward/chanwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/forward/inplace_matmul.cpp b/dnn/src/rocm/convolution/forward/inplace_matmul.cpp
index 80b51e6c4378c491eeca385143e140ec6c848cd6..899e06e4d45c0ca192fede9bbf17b355f85efa67 100644
--- a/dnn/src/rocm/convolution/forward/inplace_matmul.cpp
+++ b/dnn/src/rocm/convolution/forward/inplace_matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/forward/inplace_matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/forward/matmul.cpp b/dnn/src/rocm/convolution/forward/matmul.cpp
index 040d64d3e5b48227fdcc9996ce475847426a3a30..ac2828e60caebd98da63b763fb846389568401cf 100644
--- a/dnn/src/rocm/convolution/forward/matmul.cpp
+++ b/dnn/src/rocm/convolution/forward/matmul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/forward/matmul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/forward/miopen.cpp b/dnn/src/rocm/convolution/forward/miopen.cpp
index 1ed75d17b52e33085367688bfdde6d5a351e6077..c98b9c80832dc7b56f7d5aa2f0c223467ad6a19e 100644
--- a/dnn/src/rocm/convolution/forward/miopen.cpp
+++ b/dnn/src/rocm/convolution/forward/miopen.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/forward/miopen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/helper.cpp b/dnn/src/rocm/convolution/helper.cpp
index cb52a21c37e6f34e020d9cc8f5a0f3dd7b21d64d..c792b7b6db6fed006b54b4d8c43f1a41b2dd9c14 100644
--- a/dnn/src/rocm/convolution/helper.cpp
+++ b/dnn/src/rocm/convolution/helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/helper.h b/dnn/src/rocm/convolution/helper.h
index 0029ba55ca352cbb0c72ba3efd1f5b963566f554..9658a1459b2c0e063557a22f79bc8b7a74fdf280 100644
--- a/dnn/src/rocm/convolution/helper.h
+++ b/dnn/src/rocm/convolution/helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/opr_impl.cpp b/dnn/src/rocm/convolution/opr_impl.cpp
index bfa2c079e313a97660aff12af41a3585226dd689..15c88ea8639ab6e226346d862d72479e2b7ce1aa 100644
--- a/dnn/src/rocm/convolution/opr_impl.cpp
+++ b/dnn/src/rocm/convolution/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/convolution/opr_impl.h b/dnn/src/rocm/convolution/opr_impl.h
index abb8c08a79ad7ed893698c9600f015914b16f984..d672a086d091c5901b7c8593bf93076620e9fd9e 100644
--- a/dnn/src/rocm/convolution/opr_impl.h
+++ b/dnn/src/rocm/convolution/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/convolution/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/elemwise/kern_impl.inl b/dnn/src/rocm/elemwise/kern_impl.inl
index fb6b287bfcc827c9aa08b8e53576308099e362de..09bdad048f116e4e59112669aa9b4ad3ef711d76 100644
--- a/dnn/src/rocm/elemwise/kern_impl.inl
+++ b/dnn/src/rocm/elemwise/kern_impl.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/elemwise/kern_impl.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/elemwise/opr_impl.cpp b/dnn/src/rocm/elemwise/opr_impl.cpp
index 90a8497753df0c084f810d6faf1afa8c978beea1..35353bed7630c973394687dc95e996035148305e 100644
--- a/dnn/src/rocm/elemwise/opr_impl.cpp
+++ b/dnn/src/rocm/elemwise/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/elemwise/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/elemwise/opr_impl.h b/dnn/src/rocm/elemwise/opr_impl.h
index ec38961c17ac1af08006e3cf7d579e1cb403abd3..0c24fc98a36f74b30c4ac2b6bbaa4e5de83790cc 100644
--- a/dnn/src/rocm/elemwise/opr_impl.h
+++ b/dnn/src/rocm/elemwise/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/elemwise/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/elemwise/special_kerns.inl b/dnn/src/rocm/elemwise/special_kerns.inl
index d6e47dc995b31b8145b5bb11150e4e7ec26c77b3..d8bdab73434e235592a147428ec58c23e9f79282 100644
--- a/dnn/src/rocm/elemwise/special_kerns.inl
+++ b/dnn/src/rocm/elemwise/special_kerns.inl
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/elemwise/special_kerns.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/elemwise_helper.cpp b/dnn/src/rocm/elemwise_helper.cpp
index 209e08b62f34bd781ea1ca3ecf2d8c835c67b5fa..8fc47cd680d21e0ec46ee70a36aacfb691427047 100644
--- a/dnn/src/rocm/elemwise_helper.cpp
+++ b/dnn/src/rocm/elemwise_helper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/elemwise_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/eye/opr_impl.cpp b/dnn/src/rocm/eye/opr_impl.cpp
index d11c56a64e397507f2b2c84831e3052e1d8066b0..ca5b0f42e19fa3094572a0f9725a0a3c3935c242 100644
--- a/dnn/src/rocm/eye/opr_impl.cpp
+++ b/dnn/src/rocm/eye/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/eye/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/eye/opr_impl.h b/dnn/src/rocm/eye/opr_impl.h
index 9566285ca5aabccdbaf128b085ad7f436b193808..566b9b548ebb626d32a37555e8f1411dd9751d3f 100644
--- a/dnn/src/rocm/eye/opr_impl.h
+++ b/dnn/src/rocm/eye/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/eye/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/handle.cpp b/dnn/src/rocm/handle.cpp
index 802d75c7f8833a6b651f5b6dbf2974393f0a90ec..b26e7a00061fc8967f136e79d188c20355fe897f 100644
--- a/dnn/src/rocm/handle.cpp
+++ b/dnn/src/rocm/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/handle.h b/dnn/src/rocm/handle.h
index dbd0a2cde75dd87c645f107c8c5c0e70fb2a2c4e..12eed9a16ce5d2c0bc0923195641fd9925e1099a 100644
--- a/dnn/src/rocm/handle.h
+++ b/dnn/src/rocm/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/indexing_multi_axis_vec/opr_impl.cpp b/dnn/src/rocm/indexing_multi_axis_vec/opr_impl.cpp
index 89f3c381ea7a1cfc62c11fa90597a910427a8437..68605b0f89c824122b8aa70a9b596384d28cbd14 100644
--- a/dnn/src/rocm/indexing_multi_axis_vec/opr_impl.cpp
+++ b/dnn/src/rocm/indexing_multi_axis_vec/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/indexing_multi_axis_vec/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/indexing_multi_axis_vec/opr_impl.h b/dnn/src/rocm/indexing_multi_axis_vec/opr_impl.h
index 0c67f9a231e06b0edf0b43d21ebcaf71e73e73cf..c01e4a5e05d7f0d2bd63db53cbe3b4549ac7fa08 100644
--- a/dnn/src/rocm/indexing_multi_axis_vec/opr_impl.h
+++ b/dnn/src/rocm/indexing_multi_axis_vec/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/indexing_multi_axis_vec/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/indexing_one_hot/opr_impl.cpp b/dnn/src/rocm/indexing_one_hot/opr_impl.cpp
index f64efebebae4788e1262594f636c0c95f83216a1..57d9af452babf939ea3836826406a4122b8a395b 100644
--- a/dnn/src/rocm/indexing_one_hot/opr_impl.cpp
+++ b/dnn/src/rocm/indexing_one_hot/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/indexing_one_hot/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/indexing_one_hot/opr_impl.h b/dnn/src/rocm/indexing_one_hot/opr_impl.h
index d01daa3bd03744410782f2582b8d07cc034fd626..70509a1b440cea202db2dd1b9158ac4f8f9171d7 100644
--- a/dnn/src/rocm/indexing_one_hot/opr_impl.h
+++ b/dnn/src/rocm/indexing_one_hot/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/indexing_one_hot/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/int_fastdiv.cpp b/dnn/src/rocm/int_fastdiv.cpp
index fd26ad30c51c9bb9b0afbe0cb15a54776d5d5de8..89a03d4186efb7410f96fb991de288f00e9721e8 100644
--- a/dnn/src/rocm/int_fastdiv.cpp
+++ b/dnn/src/rocm/int_fastdiv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/int_fastdiv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/linspace/opr_impl.cpp b/dnn/src/rocm/linspace/opr_impl.cpp
index 1e7b42ec074e648f124297778ce0b82b0aaa864b..1ee661fa501715b85742b42915e79e2d306df766 100644
--- a/dnn/src/rocm/linspace/opr_impl.cpp
+++ b/dnn/src/rocm/linspace/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/linspace/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/linspace/opr_impl.h b/dnn/src/rocm/linspace/opr_impl.h
index 8b5d078610422aa09698bf5f82552300607c8b50..a629147b0115f6ff7bb3df4344d29305e2856c97 100644
--- a/dnn/src/rocm/linspace/opr_impl.h
+++ b/dnn/src/rocm/linspace/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/linspace/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/matrix_mul/algos.cpp b/dnn/src/rocm/matrix_mul/algos.cpp
index d8063540eb59d718a31a47abceb12752da75da8b..aa0076e813927323d76da8a356e61f2405cdb8f1 100644
--- a/dnn/src/rocm/matrix_mul/algos.cpp
+++ b/dnn/src/rocm/matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/matrix_mul/algos.h b/dnn/src/rocm/matrix_mul/algos.h
index dcf280c8c39440de5990c05867fc534e83fd74d6..7111a10b84e0ad3f1fd12030b6e4b7c5ec62aef1 100644
--- a/dnn/src/rocm/matrix_mul/algos.h
+++ b/dnn/src/rocm/matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/matrix_mul/blas.cpp b/dnn/src/rocm/matrix_mul/blas.cpp
index 8bc2f58cb47bbc3d0f644b4873772d95ba768bda..3ef8c53905b7cb0dec809c8f88f5e3e95d3ed994 100644
--- a/dnn/src/rocm/matrix_mul/blas.cpp
+++ b/dnn/src/rocm/matrix_mul/blas.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/matrix_mul/Blas.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/matrix_mul/opr_impl.cpp b/dnn/src/rocm/matrix_mul/opr_impl.cpp
index 75fe8f1487d1a41d8f25d81e969d3e23ba25f7bc..d0f3e4437fbb194810a227a7d2cfd563d4eb7460 100644
--- a/dnn/src/rocm/matrix_mul/opr_impl.cpp
+++ b/dnn/src/rocm/matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/matrix_mul/opr_impl.h b/dnn/src/rocm/matrix_mul/opr_impl.h
index ca2a190fa1b1f0714ca2cfce7a6acaaaf6cb2963..52bb3e90ccb4f7f527748b708b863d7b2147b8bf 100644
--- a/dnn/src/rocm/matrix_mul/opr_impl.h
+++ b/dnn/src/rocm/matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/megcore/computing_context.hpp b/dnn/src/rocm/megcore/computing_context.hpp
index 273fc56ecda226aa6c199202f47dd40874e3e865..7d6cbd72ac39f6ab5ef83a1851f97e9fd900a3fa 100644
--- a/dnn/src/rocm/megcore/computing_context.hpp
+++ b/dnn/src/rocm/megcore/computing_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/megcore/computing_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/megcore/device_context.hpp b/dnn/src/rocm/megcore/device_context.hpp
index 068e018aeb93efd9af87a0030f27b60d83926a2d..b16e044cfa01a0c3720bd5b31235f466823d6124 100644
--- a/dnn/src/rocm/megcore/device_context.hpp
+++ b/dnn/src/rocm/megcore/device_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/megcore/device_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/megcore/public_api/computing.cpp b/dnn/src/rocm/megcore/public_api/computing.cpp
index 6bc195797a8dc70ce45ecc7b3bd8c1dd433b734f..13a5755bcffbb850bd7d4be287f185be22b518a5 100644
--- a/dnn/src/rocm/megcore/public_api/computing.cpp
+++ b/dnn/src/rocm/megcore/public_api/computing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/megcore/public_api/computing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/megcore/rocm_computing_context.cpp b/dnn/src/rocm/megcore/rocm_computing_context.cpp
index e65ee35de07692520226241d3f60207edae6d25a..fc0a23dc1a41a1bde56f9deabd68c51cebb66be0 100644
--- a/dnn/src/rocm/megcore/rocm_computing_context.cpp
+++ b/dnn/src/rocm/megcore/rocm_computing_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/megcore/rocm_computing_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/megcore/rocm_computing_context.hpp b/dnn/src/rocm/megcore/rocm_computing_context.hpp
index db34ab137430385c2f9218ded24b1e72f6afcde1..1f1fe14fb88de71108373f9c965f9548a0a2cf5e 100644
--- a/dnn/src/rocm/megcore/rocm_computing_context.hpp
+++ b/dnn/src/rocm/megcore/rocm_computing_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/megcore/rocm_computing_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/megcore/rocm_device_context.cpp b/dnn/src/rocm/megcore/rocm_device_context.cpp
index c12baf0496a84b40131ffdf421ed487ccf344e46..8d56c577737ca939a0807c6712288539184c94cb 100644
--- a/dnn/src/rocm/megcore/rocm_device_context.cpp
+++ b/dnn/src/rocm/megcore/rocm_device_context.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/megcore/rocm_device_context.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/megcore/rocm_device_context.hpp b/dnn/src/rocm/megcore/rocm_device_context.hpp
index 3ff4586fea55a5ce0a73de5a338012cfdf3aa8d6..9e563bc6ffe436561b27a9fd1bf0d930eab96cd7 100644
--- a/dnn/src/rocm/megcore/rocm_device_context.hpp
+++ b/dnn/src/rocm/megcore/rocm_device_context.hpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/megcore/rocm_device_context.hpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/miopen_with_check.h b/dnn/src/rocm/miopen_with_check.h
index ad2e84fc421263a91cd98dfcf9ef8b88f0f63975..24d8eca8309df275055cd243e9c4a058c73c2cec 100644
--- a/dnn/src/rocm/miopen_with_check.h
+++ b/dnn/src/rocm/miopen_with_check.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/miopen_with_check.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/miopen_wrapper.cpp b/dnn/src/rocm/miopen_wrapper.cpp
index 1b82405f25d9c7b9bf87f67cee061162a5a7182a..7f488632f83e085ffda07a35fe6503ef6b6c673a 100644
--- a/dnn/src/rocm/miopen_wrapper.cpp
+++ b/dnn/src/rocm/miopen_wrapper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/miopen_wrapper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/miopen_wrapper.h b/dnn/src/rocm/miopen_wrapper.h
index f571bedd2dfd1774f90fbbf11d6723e9d588582a..7c1cf1bc0da2babd159733bbb1effafc6b5ad2e0 100644
--- a/dnn/src/rocm/miopen_wrapper.h
+++ b/dnn/src/rocm/miopen_wrapper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/miopen_wrapper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/pooling/opr_impl.cpp b/dnn/src/rocm/pooling/opr_impl.cpp
index 7724ea4077d9383e1477c154c6b4768b6ff5f9b8..d7525e11662834fddb8fcd586c8f3f21a6f03528 100644
--- a/dnn/src/rocm/pooling/opr_impl.cpp
+++ b/dnn/src/rocm/pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/pooling/opr_impl.h b/dnn/src/rocm/pooling/opr_impl.h
index 7195857564ca2bd5b90c97078fac101c789314ea..feb755ebabbcaf81743860b3f619a661b6590f7a 100644
--- a/dnn/src/rocm/pooling/opr_impl.h
+++ b/dnn/src/rocm/pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/powc/opr_impl.cpp b/dnn/src/rocm/powc/opr_impl.cpp
index 742c11c2baa60d8a65c1954aae10697729c88e44..5b7f4f6e6e341cafb79e236d5e8c1ca593272b8d 100644
--- a/dnn/src/rocm/powc/opr_impl.cpp
+++ b/dnn/src/rocm/powc/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/powc/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/powc/opr_impl.h b/dnn/src/rocm/powc/opr_impl.h
index c7671fc5f1b228f82f223adf54438a0d70949e70..029291157a9415a415f455418bb22deb33068ef6 100644
--- a/dnn/src/rocm/powc/opr_impl.h
+++ b/dnn/src/rocm/powc/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/powc/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/reduce/opr_impl.cpp b/dnn/src/rocm/reduce/opr_impl.cpp
index e241e6c0eee4a3e66bcaf2370ffc3a1acdadad6f..e0197adc160bad046e565297aff1658e203ac056 100644
--- a/dnn/src/rocm/reduce/opr_impl.cpp
+++ b/dnn/src/rocm/reduce/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/reduce/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/reduce/opr_impl.h b/dnn/src/rocm/reduce/opr_impl.h
index 26eb3db74141ccf2544123e6b9c6efd99e902d2a..ac5a8b3ce4a051a1493b52df37260804cf588e37 100644
--- a/dnn/src/rocm/reduce/opr_impl.h
+++ b/dnn/src/rocm/reduce/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/reduce/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/relayout/opr_impl.cpp b/dnn/src/rocm/relayout/opr_impl.cpp
index e24d58c4d8529107c8a0ecb961d69fb6cccd0ceb..df2f9c25b1b80c8a3a25e424bb3ae1c320215c69 100644
--- a/dnn/src/rocm/relayout/opr_impl.cpp
+++ b/dnn/src/rocm/relayout/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/relayout/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/relayout/opr_impl.h b/dnn/src/rocm/relayout/opr_impl.h
index 6131ddf6209e3cd73456e823b19a026f857a8eb1..b921df19e9e5e3b4a159b8a5472abd58f55ba1f7 100644
--- a/dnn/src/rocm/relayout/opr_impl.h
+++ b/dnn/src/rocm/relayout/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/relayout/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/relayout/relayout_contiguous.cpp b/dnn/src/rocm/relayout/relayout_contiguous.cpp
index 89e767f30c1d2234ca1395386872e483e39627d1..bc4314836ca31ca26b4557e411cfc061c2c87aae 100644
--- a/dnn/src/rocm/relayout/relayout_contiguous.cpp
+++ b/dnn/src/rocm/relayout/relayout_contiguous.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/relayout/relayout_contiguous.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/rng/opr_impl.cpp b/dnn/src/rocm/rng/opr_impl.cpp
index 0170e744824f27b841894fc8b520a95f33c9c253..e60433191ccce1c1fed7ca14c6e9c270ed7ffb3f 100644
--- a/dnn/src/rocm/rng/opr_impl.cpp
+++ b/dnn/src/rocm/rng/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/rng/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/rng/opr_impl.h b/dnn/src/rocm/rng/opr_impl.h
index ae6dd1f75f52d2fe340791997a65a284848c103d..9e1dfe55925c21ea5f77b2aea078992cc8caa782 100644
--- a/dnn/src/rocm/rng/opr_impl.h
+++ b/dnn/src/rocm/rng/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/rng/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/rocblas_header.h b/dnn/src/rocm/rocblas_header.h
index dd35bb973ee4a2ec377bec9a72565bf252d58457..129ed4e8154e543709f01f8b0e5d281c0ea5e532 100644
--- a/dnn/src/rocm/rocblas_header.h
+++ b/dnn/src/rocm/rocblas_header.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/rocblas_header.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/sleep/opr_impl.cpp b/dnn/src/rocm/sleep/opr_impl.cpp
index 71aa3c044a94a3b70c44b351ddb46a14181579a3..16c0e77b482d1b187595277b304a691b49171353 100644
--- a/dnn/src/rocm/sleep/opr_impl.cpp
+++ b/dnn/src/rocm/sleep/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/sleep/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/sleep/opr_impl.h b/dnn/src/rocm/sleep/opr_impl.h
index 2cd62da974fef7a2880d846d8178679dad4ab32f..f44420c05b85ad0ceb7584005962b7c6edd65704 100644
--- a/dnn/src/rocm/sleep/opr_impl.h
+++ b/dnn/src/rocm/sleep/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/sleep/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/type_cvt/opr_impl.cpp b/dnn/src/rocm/type_cvt/opr_impl.cpp
index 7fe01114f4a2588f18ffcd893e2b72992769ce98..3dfac6b386b5fa52ce684611dd27f84a8e9e8088 100644
--- a/dnn/src/rocm/type_cvt/opr_impl.cpp
+++ b/dnn/src/rocm/type_cvt/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/type_cvt/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/type_cvt/opr_impl.h b/dnn/src/rocm/type_cvt/opr_impl.h
index 254e66ee9f9a6e897af1d6e3dd3d6746ceb68fd6..ab5df1694139ac796ff671ed7c64ed00b600855a 100644
--- a/dnn/src/rocm/type_cvt/opr_impl.h
+++ b/dnn/src/rocm/type_cvt/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/type_cvt/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/utils.cpp b/dnn/src/rocm/utils.cpp
index e2b5f4f6e65e2c250af8c44e94df90a1ba1bddee..489b0a3535a733a06333b2eb692cc1af4ea691ae 100644
--- a/dnn/src/rocm/utils.cpp
+++ b/dnn/src/rocm/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/rocm/utils.h b/dnn/src/rocm/utils.h
index dd54a6feb8622605a84a9d850a642e29a2f3177b..d1d33568cffd69630151b5db2172e648a5ce8dcc 100644
--- a/dnn/src/rocm/utils.h
+++ b/dnn/src/rocm/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/rocm/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/add_update/opr_impl.cpp b/dnn/src/x86/add_update/opr_impl.cpp
index 437f12a012d622deee873a4f0f986c9a7274edf4..81a301fe5ef7de708bc9db82f5410b554e346543 100644
--- a/dnn/src/x86/add_update/opr_impl.cpp
+++ b/dnn/src/x86/add_update/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/add_update/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/add_update/opr_impl.h b/dnn/src/x86/add_update/opr_impl.h
index 68245b64bc8598b2d1b2afc138d7a60bf27a8d5d..728c24ba91935f8f5308e3f1dbbcdc50e3722084 100644
--- a/dnn/src/x86/add_update/opr_impl.h
+++ b/dnn/src/x86/add_update/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/add_update/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/avx_helper.h b/dnn/src/x86/avx_helper.h
index 063ed33c5c3964d64d9c53b919916ce063a24e29..86974b7d2def9311386adf27eed61356befd02db 100644
--- a/dnn/src/x86/avx_helper.h
+++ b/dnn/src/x86/avx_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/avx_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/f32/algos.cpp b/dnn/src/x86/conv_bias/f32/algos.cpp
index 9140d4a6f5c1d36a944fa63b0842a656293fe362..543147f0cfe293be75d5f4fde57e1a09f7b7b191 100644
--- a/dnn/src/x86/conv_bias/f32/algos.cpp
+++ b/dnn/src/x86/conv_bias/f32/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/f32/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/f32/algos.h b/dnn/src/x86/conv_bias/f32/algos.h
index c15e56c56fd578f1d41c8c10db029a3d5ff3ff3a..67af52f911211e090a64f2826f2f0c1ff984052f 100644
--- a/dnn/src/x86/conv_bias/f32/algos.h
+++ b/dnn/src/x86/conv_bias/f32/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/f32/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/f32/do_conv_stride2.h b/dnn/src/x86/conv_bias/f32/do_conv_stride2.h
index 27cc4707b1322522e66b725e152c3c0164d54772..51b190efeb4a7e2c427c9a0658a9755774df84f5 100644
--- a/dnn/src/x86/conv_bias/f32/do_conv_stride2.h
+++ b/dnn/src/x86/conv_bias/f32/do_conv_stride2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/f32/do_conv_stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/f32/strategy.h b/dnn/src/x86/conv_bias/f32/strategy.h
index eaf3c9b0828cb621585373e0ae1c147082d2dbb2..61a3c256ac13f6be3cc591b8a743006e553fe95a 100644
--- a/dnn/src/x86/conv_bias/f32/strategy.h
+++ b/dnn/src/x86/conv_bias/f32/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/f32/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/f32/strategy_2x3_8x8.cpp b/dnn/src/x86/conv_bias/f32/strategy_2x3_8x8.cpp
index 6b90829aa5db0e9a3b4d3a5bf6988a107d512799..6d4bed6cf54070f95bc8c9caffc60ff4b806628b 100644
--- a/dnn/src/x86/conv_bias/f32/strategy_2x3_8x8.cpp
+++ b/dnn/src/x86/conv_bias/f32/strategy_2x3_8x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/f32/strategy_2x3_8x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/f32/strategy_6x3_8x8.cpp b/dnn/src/x86/conv_bias/f32/strategy_6x3_8x8.cpp
index fb92fca655635cb26f33a7fca330e7b3ec4dbe00..0c9437c27987239d98a1d09a4f0dbca108e99bf7 100644
--- a/dnn/src/x86/conv_bias/f32/strategy_6x3_8x8.cpp
+++ b/dnn/src/x86/conv_bias/f32/strategy_6x3_8x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/f32/strategy_6x3_8x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/f32/winograd_algo.cpp b/dnn/src/x86/conv_bias/f32/winograd_algo.cpp
index 394683129e1536656c0719971f561e677caca949..3b5220650c33c6c2d3859e223223eb0036b782ab 100644
--- a/dnn/src/x86/conv_bias/f32/winograd_algo.cpp
+++ b/dnn/src/x86/conv_bias/f32/winograd_algo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/f32/winograd_algo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/algo_usable_preferred.cpp b/dnn/src/x86/conv_bias/int8/algo_usable_preferred.cpp
index ac7f565a98d75717aba78ebdb54d094a1589c46f..aa38f48871dc7701f3b3fa58dc6c47fb6a81a5be 100644
--- a/dnn/src/x86/conv_bias/int8/algo_usable_preferred.cpp
+++ b/dnn/src/x86/conv_bias/int8/algo_usable_preferred.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/algo_usable_preferred.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/algo_usable_preferred.h b/dnn/src/x86/conv_bias/int8/algo_usable_preferred.h
index 240a88d232bba4d96713e435dc367df38d880125..f8f217122f570c811b4dda5c34873c3b18586ed8 100644
--- a/dnn/src/x86/conv_bias/int8/algo_usable_preferred.h
+++ b/dnn/src/x86/conv_bias/int8/algo_usable_preferred.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/algo_usable_preferred.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/algos.cpp b/dnn/src/x86/conv_bias/int8/algos.cpp
index ad26961301f69ba8a9fe8304295b304f6f015282..9cb70346940ee42efec43e2bae7df9f808a29f7e 100644
--- a/dnn/src/x86/conv_bias/int8/algos.cpp
+++ b/dnn/src/x86/conv_bias/int8/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/algos.h b/dnn/src/x86/conv_bias/int8/algos.h
index 4830d36b3e61a58a27014f98f995683ab8c8265d..bdcd6f8082010f768243ae69e67df06b49732871 100644
--- a/dnn/src/x86/conv_bias/int8/algos.h
+++ b/dnn/src/x86/conv_bias/int8/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_chanwise_kern.cpp b/dnn/src/x86/conv_bias/int8/avx2_chanwise_kern.cpp
index ae8eb6bce5579c39cd412a358d1fd86e0cf21d31..160496cddb374d6dd38556a24126ea1b666ad960 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_chanwise_kern.cpp
+++ b/dnn/src/x86/conv_bias/int8/avx2_chanwise_kern.cpp
@@ -2,7 +2,7 @@
  * \file src/x86/conv_bias/int8/avx2_chanwise_kern.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_chanwise_kern.h b/dnn/src/x86/conv_bias/int8/avx2_chanwise_kern.h
index 00676b735eb257de488bbc3c0a8a9a8fea7aabfa..006c80ea9a4b7d862087d6004bb626d75066f8d5 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_chanwise_kern.h
+++ b/dnn/src/x86/conv_bias/int8/avx2_chanwise_kern.h
@@ -2,7 +2,7 @@
  * \file src/x86/conv_bias/int8/avx2_chanwsie_kern.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride1.cpp b/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride1.cpp
index deffaa86da6abb13ce910f5fb98b621c122b8e38..cf68c9a165ad95ce68b3f7f5822129a58821efbf 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride1.cpp
+++ b/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride1.cpp
@@ -2,7 +2,7 @@
  * \file src/x86/conv_bias/int8/avx2_chanwsie_stride1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride1.h b/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride1.h
index 0061c9000c50d2d7b259cd96d41da156d2f639b1..d4d59113bb473d27ccaf5a642a619cecb07a1f2e 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride1.h
+++ b/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride1.h
@@ -2,7 +2,7 @@
  * \file src/x86/conv_bias/int8/avx2_chanwsie_stride1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride2.cpp b/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride2.cpp
index 19b2df2e76288d19b5b3ffee7c94f01428263ce7..b2b871ad3eb7aa5a6ac4c336164eabfb30325873 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride2.cpp
+++ b/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride2.cpp
@@ -2,7 +2,7 @@
  * \file src/x86/conv_bias/int8/avx2_chanwsie_stride2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride2.h b/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride2.h
index 183c8103b00428dc4953a248b20d0dadd5663fdd..e88129fb5ba92c645879c06d5d7dd4645735c64c 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride2.h
+++ b/dnn/src/x86/conv_bias/int8/avx2_chanwise_stride2.h
@@ -2,7 +2,7 @@
  * \file src/x86/conv_bias/int8/avx2_chanwsie_stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.cpp b/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.cpp
index d7c4e17af1d9dda75e71b4d261624f16f7d9ac4a..84e0e819c7317496f261fb9bab3f67457a04a75b 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.cpp
+++ b/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.h b/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.h
index df4db7ef66b3fcc76a88f06f3f5bae0fbf059866..47db2e98f15e7646771b003fd641e13146e3e3e7 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.h
+++ b/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.cpp b/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.cpp
index 8f581ff26566c89486bdfec05ef4f76c22b9d3e9..4041aa6f54bae3b2d95a2e5d6900e5c09aa376e4 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.cpp
+++ b/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.h b/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.h
index 10679c4dd21caf35412c3af559a16cdf19d92c37..85cbb8aea7b881d0a386d524e5c0d1f20407d07c 100644
--- a/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.h
+++ b/dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/avx2_direct_conv_stride2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/chanwise_helper.h b/dnn/src/x86/conv_bias/int8/chanwise_helper.h
index c800ea7916b0e8443e999ee9299636cc9ed92872..dfb2bb67d6b17e2a021d3e44b2c7b9cf3378b548 100644
--- a/dnn/src/x86/conv_bias/int8/chanwise_helper.h
+++ b/dnn/src/x86/conv_bias/int8/chanwise_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/chainwise_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/int8/common_helper.h b/dnn/src/x86/conv_bias/int8/common_helper.h
index 7fa6e96d0ddab0813c913be3699b7c31a577de3a..a1a70c609ddfe70fe55a388348a28a7db8a121a0 100644
--- a/dnn/src/x86/conv_bias/int8/common_helper.h
+++ b/dnn/src/x86/conv_bias/int8/common_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/int8/common_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/opr_impl.cpp b/dnn/src/x86/conv_bias/opr_impl.cpp
index b95fbd3bfa4bdb2ca65cb5735036369290a9c392..3244b47c613d628c5a0d4860017061da6ac0f6f0 100644
--- a/dnn/src/x86/conv_bias/opr_impl.cpp
+++ b/dnn/src/x86/conv_bias/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/opr_impl.h b/dnn/src/x86/conv_bias/opr_impl.h
index 6a977919d77b657ffd167b64f91aad39afdf1ba3..086f64b5f442df9eb10db238a870ee83764dec98 100644
--- a/dnn/src/x86/conv_bias/opr_impl.h
+++ b/dnn/src/x86/conv_bias/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/conv_bias/postprocess_helper.h b/dnn/src/x86/conv_bias/postprocess_helper.h
index 0881be30ba4554849db7c8e4457527043fdf9d43..c2b54085431dc1e0f866239ea459ac3ed0300c22 100644
--- a/dnn/src/x86/conv_bias/postprocess_helper.h
+++ b/dnn/src/x86/conv_bias/postprocess_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/conv_bias/postprocess_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_conv_fh1_avx.cpp b/dnn/src/x86/convolution/avx/convolution_conv_fh1_avx.cpp
index d20601b16696f3adfd629629cd686de3d0210a1a..0aa4d7d2d30d4ecf15b5e099bb552c3c7082c24e 100644
--- a/dnn/src/x86/convolution/avx/convolution_conv_fh1_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_conv_fh1_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_conv_fh1_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_conv_fh2_avx.cpp b/dnn/src/x86/convolution/avx/convolution_conv_fh2_avx.cpp
index aad94a3f96a526de2d40003d6c2a374b8006afed..9fe74a55a081d74b6de1fb944924d685b127e428 100644
--- a/dnn/src/x86/convolution/avx/convolution_conv_fh2_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_conv_fh2_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_conv_fh2_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_conv_fh3_avx.cpp b/dnn/src/x86/convolution/avx/convolution_conv_fh3_avx.cpp
index 4bfa40e0a5d6d35ebddf1b3d9340a3c58327e63d..fccebbc3531d652e7e2bd1c1c96587e0f8014b76 100644
--- a/dnn/src/x86/convolution/avx/convolution_conv_fh3_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_conv_fh3_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_conv_fh3_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_conv_fh4_avx.cpp b/dnn/src/x86/convolution/avx/convolution_conv_fh4_avx.cpp
index 189d353f981893a27bdd56c50f4e3a5993690720..bb313ceae191da1f15b2656a40a757af4ac5aa93 100644
--- a/dnn/src/x86/convolution/avx/convolution_conv_fh4_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_conv_fh4_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_conv_fh4_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_conv_fh5_avx.cpp b/dnn/src/x86/convolution/avx/convolution_conv_fh5_avx.cpp
index d845288ab2c379285e2fda11c80e0606b1a71456..36d40a9f4a2f757b34eb3a001582cd7d11d10943 100644
--- a/dnn/src/x86/convolution/avx/convolution_conv_fh5_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_conv_fh5_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_conv_fh5_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_conv_fh6_avx.cpp b/dnn/src/x86/convolution/avx/convolution_conv_fh6_avx.cpp
index 88eeeae951c2fcd5bb4ed252085d9cedcd3ff568..175bff87ff45a9ea0576a083c36c0f65eb3b2c90 100644
--- a/dnn/src/x86/convolution/avx/convolution_conv_fh6_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_conv_fh6_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_conv_fh6_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_conv_fh7_avx.cpp b/dnn/src/x86/convolution/avx/convolution_conv_fh7_avx.cpp
index c314fbef4f8e8dfe210ab4716d5cee63dbc5f002..043def68d3b5466230c0589de0fa46103d76c2f0 100644
--- a/dnn/src/x86/convolution/avx/convolution_conv_fh7_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_conv_fh7_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_conv_fh7_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_xcorr_fh1_avx.cpp b/dnn/src/x86/convolution/avx/convolution_xcorr_fh1_avx.cpp
index d8a2836fc9eb476773808d0b2dbb0c01584a0ef1..7072016f75d9f42605885166614a478229390d34 100644
--- a/dnn/src/x86/convolution/avx/convolution_xcorr_fh1_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_xcorr_fh1_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_xcorr_fh1_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_xcorr_fh2_avx.cpp b/dnn/src/x86/convolution/avx/convolution_xcorr_fh2_avx.cpp
index 33dac4c808e7093cb673a4a3ab4438caa1da2204..36a13994e9f0c2235eeb4292334c9b49a778fb39 100644
--- a/dnn/src/x86/convolution/avx/convolution_xcorr_fh2_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_xcorr_fh2_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_xcorr_fh2_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_xcorr_fh3_avx.cpp b/dnn/src/x86/convolution/avx/convolution_xcorr_fh3_avx.cpp
index c4127c766eef76f0afb5b49cdf66b96b97c68728..108fcaaaf6727f7ed15196bc1b79a11e3aaa03fd 100644
--- a/dnn/src/x86/convolution/avx/convolution_xcorr_fh3_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_xcorr_fh3_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_xcorr_fh3_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_xcorr_fh4_avx.cpp b/dnn/src/x86/convolution/avx/convolution_xcorr_fh4_avx.cpp
index 2833ffd8cfcacc6db91eeaa3d8d3bf33fd80c284..b2d8663f8a5bf5b42acd93a97fab189c9f72d504 100644
--- a/dnn/src/x86/convolution/avx/convolution_xcorr_fh4_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_xcorr_fh4_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_xcorr_fh4_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_xcorr_fh5_avx.cpp b/dnn/src/x86/convolution/avx/convolution_xcorr_fh5_avx.cpp
index 951c9bdfdc6722853053ffac1c33422ce605d82d..bcf0e501479c244f4ed12a7288672e57b9f2dd76 100644
--- a/dnn/src/x86/convolution/avx/convolution_xcorr_fh5_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_xcorr_fh5_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_xcorr_fh5_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_xcorr_fh6_avx.cpp b/dnn/src/x86/convolution/avx/convolution_xcorr_fh6_avx.cpp
index 1bdd7953b6f11c33433affc507ec50b6eab0b0c9..9a460af3aacfb88b157314091605829878fc88a7 100644
--- a/dnn/src/x86/convolution/avx/convolution_xcorr_fh6_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_xcorr_fh6_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_xcorr_fh6_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/avx/convolution_xcorr_fh7_avx.cpp b/dnn/src/x86/convolution/avx/convolution_xcorr_fh7_avx.cpp
index 7f9c8deaabfc18b1061fec348f09adc1f3381605..4071f97f65c750cb2a02a164209611a6653b97f7 100644
--- a/dnn/src/x86/convolution/avx/convolution_xcorr_fh7_avx.cpp
+++ b/dnn/src/x86/convolution/avx/convolution_xcorr_fh7_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/avx/convolution_xcorr_fh7_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/convolution_direct_special_cases.h b/dnn/src/x86/convolution/convolution_direct_special_cases.h
index 65d811beaf37325796f8cdf843089ad23655bfe4..1c0bce04023e332cb5be306c585c52c669f38cb6 100644
--- a/dnn/src/x86/convolution/convolution_direct_special_cases.h
+++ b/dnn/src/x86/convolution/convolution_direct_special_cases.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/convolution_direct_special_cases.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_conv_fh1_fma.cpp b/dnn/src/x86/convolution/fma/convolution_conv_fh1_fma.cpp
index 32ff3c8daa0bb6ae0d946bde421264adeb6c0c77..82a1d39b134e00f27d112f7664a8741c48ccaa59 100644
--- a/dnn/src/x86/convolution/fma/convolution_conv_fh1_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_conv_fh1_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_conv_fh1_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_conv_fh2_fma.cpp b/dnn/src/x86/convolution/fma/convolution_conv_fh2_fma.cpp
index 3f7bb66e390cf17f6770a67421daddf50fcb5bd9..ffcced381f830563abffaa9b2aa5cd165453a8e7 100644
--- a/dnn/src/x86/convolution/fma/convolution_conv_fh2_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_conv_fh2_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_conv_fh2_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_conv_fh3_fma.cpp b/dnn/src/x86/convolution/fma/convolution_conv_fh3_fma.cpp
index 60515f562dea83c6c8b0a4c3dede336b2a730889..bf3ff6190410435b960cc5b8d13f3aacf74e42e8 100644
--- a/dnn/src/x86/convolution/fma/convolution_conv_fh3_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_conv_fh3_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_conv_fh3_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_conv_fh4_fma.cpp b/dnn/src/x86/convolution/fma/convolution_conv_fh4_fma.cpp
index 8cfd755c8baeea3de29b4a9c5bead3774b056f2d..6e16fbecbbfc2275ba9adc48fb9f76b80e4a2591 100644
--- a/dnn/src/x86/convolution/fma/convolution_conv_fh4_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_conv_fh4_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_conv_fh4_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_conv_fh5_fma.cpp b/dnn/src/x86/convolution/fma/convolution_conv_fh5_fma.cpp
index 737b1e99177ac4692eaaa77f99a0b113fe863c83..b683c814c2fe82458149eacba3fe827e9ccefd4c 100644
--- a/dnn/src/x86/convolution/fma/convolution_conv_fh5_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_conv_fh5_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_conv_fh5_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_conv_fh6_fma.cpp b/dnn/src/x86/convolution/fma/convolution_conv_fh6_fma.cpp
index e11b420f8c773981a1cb7b27050b7fbbc3dcf617..892fdd740b3da77bc8133a276804054025872f1c 100644
--- a/dnn/src/x86/convolution/fma/convolution_conv_fh6_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_conv_fh6_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_conv_fh6_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_conv_fh7_fma.cpp b/dnn/src/x86/convolution/fma/convolution_conv_fh7_fma.cpp
index c714e71f148ac68a33ba399ae2791a52e6086221..69ea73557f3283d59e302fe3584a923e97ac477a 100644
--- a/dnn/src/x86/convolution/fma/convolution_conv_fh7_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_conv_fh7_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_conv_fh7_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_xcorr_fh1_fma.cpp b/dnn/src/x86/convolution/fma/convolution_xcorr_fh1_fma.cpp
index afa02cf01dd0c1175ab65ee2912b7194d830cc48..66502e636d448dfa5b7af11b581819fc5ee31d76 100644
--- a/dnn/src/x86/convolution/fma/convolution_xcorr_fh1_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_xcorr_fh1_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_xcorr_fh1_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_xcorr_fh2_fma.cpp b/dnn/src/x86/convolution/fma/convolution_xcorr_fh2_fma.cpp
index f444e589ee05eb7566943dea27ee30d22668b059..3e3255d7e9e82b2d5473542a4900b47c199f8743 100644
--- a/dnn/src/x86/convolution/fma/convolution_xcorr_fh2_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_xcorr_fh2_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_xcorr_fh2_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_xcorr_fh3_fma.cpp b/dnn/src/x86/convolution/fma/convolution_xcorr_fh3_fma.cpp
index c39b6e3aceda7031b7ab9efc146c6038de06fd2b..23daf4661dc9cc70ec7cd45cfe98092106a54668 100644
--- a/dnn/src/x86/convolution/fma/convolution_xcorr_fh3_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_xcorr_fh3_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_xcorr_fh3_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_xcorr_fh4_fma.cpp b/dnn/src/x86/convolution/fma/convolution_xcorr_fh4_fma.cpp
index a672f0ec3cb0e12e7fe11954ec42a1262d288d85..b502540a8f382f21801b2c09bc654826df0254e0 100644
--- a/dnn/src/x86/convolution/fma/convolution_xcorr_fh4_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_xcorr_fh4_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_xcorr_fh4_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_xcorr_fh5_fma.cpp b/dnn/src/x86/convolution/fma/convolution_xcorr_fh5_fma.cpp
index 59254f93630f6e67a72b1d493e5cbf1b6f78971b..948f265a25b4d38d723aeae60f268fa2826e8402 100644
--- a/dnn/src/x86/convolution/fma/convolution_xcorr_fh5_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_xcorr_fh5_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_xcorr_fh5_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_xcorr_fh6_fma.cpp b/dnn/src/x86/convolution/fma/convolution_xcorr_fh6_fma.cpp
index 25a9be4143e0285886225ad78e0af292e4bb1dee..0302cd2a2f2b1aed4c5373219470d2164063b65d 100644
--- a/dnn/src/x86/convolution/fma/convolution_xcorr_fh6_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_xcorr_fh6_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_xcorr_fh6_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/fma/convolution_xcorr_fh7_fma.cpp b/dnn/src/x86/convolution/fma/convolution_xcorr_fh7_fma.cpp
index 54bfd8a461a71e9117a5729a9362aae04ec714e3..a422ba2a27c3a06625b36837541d6024bdfabc1d 100644
--- a/dnn/src/x86/convolution/fma/convolution_xcorr_fh7_fma.cpp
+++ b/dnn/src/x86/convolution/fma/convolution_xcorr_fh7_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/fma/convolution_xcorr_fh7_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_conv_fh1_sse.cpp b/dnn/src/x86/convolution/sse/convolution_conv_fh1_sse.cpp
index b15dbc58fac9a3914a4668d52f4b19d5ec8a5bb9..a4830159cb3db58537ee71faa56d295ec931ae70 100644
--- a/dnn/src/x86/convolution/sse/convolution_conv_fh1_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_conv_fh1_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_conv_fh1_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_conv_fh2_sse.cpp b/dnn/src/x86/convolution/sse/convolution_conv_fh2_sse.cpp
index e4e45e9544ec0915223c60e76df95fb7bdd62189..d8735264406381a3cdbd9f77767e40f1b1d7c585 100644
--- a/dnn/src/x86/convolution/sse/convolution_conv_fh2_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_conv_fh2_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_conv_fh2_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_conv_fh3_sse.cpp b/dnn/src/x86/convolution/sse/convolution_conv_fh3_sse.cpp
index fcc28b74b84838d63aae89afb4a254626ac9752d..e7a7ef2faf105dbddf96f957f34f73f0b25b8b39 100644
--- a/dnn/src/x86/convolution/sse/convolution_conv_fh3_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_conv_fh3_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_conv_fh3_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_conv_fh4_sse.cpp b/dnn/src/x86/convolution/sse/convolution_conv_fh4_sse.cpp
index 0cda150a2d37376de737f6c6239164562291fca8..51c6d12f64d6d7891d5701addc59435f3d10bc65 100644
--- a/dnn/src/x86/convolution/sse/convolution_conv_fh4_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_conv_fh4_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_conv_fh4_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_conv_fh5_sse.cpp b/dnn/src/x86/convolution/sse/convolution_conv_fh5_sse.cpp
index 49b5aca7d2d3bcc0ea5f56e13fa2c6e8d8501d50..842696e2cf0e853428b062ec3bab3ab0c2bda9d0 100644
--- a/dnn/src/x86/convolution/sse/convolution_conv_fh5_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_conv_fh5_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_conv_fh5_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_conv_fh6_sse.cpp b/dnn/src/x86/convolution/sse/convolution_conv_fh6_sse.cpp
index 98d87c8593bb70735160aeeeabd334e8c0efbef5..238eea35936d9dc3e134b0ec51104db8366e35fb 100644
--- a/dnn/src/x86/convolution/sse/convolution_conv_fh6_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_conv_fh6_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_conv_fh6_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_conv_fh7_sse.cpp b/dnn/src/x86/convolution/sse/convolution_conv_fh7_sse.cpp
index cd676cb30ce1d70e8429eadc826ea85dc62b3418..a43510968ac5e37a2498bc3fd914124790726986 100644
--- a/dnn/src/x86/convolution/sse/convolution_conv_fh7_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_conv_fh7_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_conv_fh7_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_xcorr_fh1_sse.cpp b/dnn/src/x86/convolution/sse/convolution_xcorr_fh1_sse.cpp
index d9294bb1722ecf10d6837995526280018fded7ce..daa09405b70f13ec0e338ef5e4aabb303c688044 100644
--- a/dnn/src/x86/convolution/sse/convolution_xcorr_fh1_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_xcorr_fh1_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_xcorr_fh1_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_xcorr_fh2_sse.cpp b/dnn/src/x86/convolution/sse/convolution_xcorr_fh2_sse.cpp
index 75c8646d3d3789c5b3c16816dd8ba35e4cda9989..336e3146e87b8208eec74090bb6e08b143aa75c0 100644
--- a/dnn/src/x86/convolution/sse/convolution_xcorr_fh2_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_xcorr_fh2_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_xcorr_fh2_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_xcorr_fh3_sse.cpp b/dnn/src/x86/convolution/sse/convolution_xcorr_fh3_sse.cpp
index fcc6b0e136dfad681df5913117780e879bcfebfa..5f0a477bcbb38c54f636ad2d99fd420c1e6787ca 100644
--- a/dnn/src/x86/convolution/sse/convolution_xcorr_fh3_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_xcorr_fh3_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_xcorr_fh3_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_xcorr_fh4_sse.cpp b/dnn/src/x86/convolution/sse/convolution_xcorr_fh4_sse.cpp
index b012d5ba2332fe6a633d87402402fd7ce708cdad..358343afd4f14b3ed94e0a68aafd45e8b72b52ac 100644
--- a/dnn/src/x86/convolution/sse/convolution_xcorr_fh4_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_xcorr_fh4_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_xcorr_fh4_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_xcorr_fh5_sse.cpp b/dnn/src/x86/convolution/sse/convolution_xcorr_fh5_sse.cpp
index 629f80efdb179250063022034bae4442e0b3dbe5..f6f7cbb2c04f5549837d64ecc2d9d0a17dac4f04 100644
--- a/dnn/src/x86/convolution/sse/convolution_xcorr_fh5_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_xcorr_fh5_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_xcorr_fh5_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_xcorr_fh6_sse.cpp b/dnn/src/x86/convolution/sse/convolution_xcorr_fh6_sse.cpp
index 0ac509a61e3ad57490b8614de11f00e42eb606c3..4b3a27402d30f27465fe39c999fe1413024d612f 100644
--- a/dnn/src/x86/convolution/sse/convolution_xcorr_fh6_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_xcorr_fh6_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_xcorr_fh6_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/convolution/sse/convolution_xcorr_fh7_sse.cpp b/dnn/src/x86/convolution/sse/convolution_xcorr_fh7_sse.cpp
index fd9630c7f9eb367b24ad5bab621c544dbcdc68f9..339c21162ba05691d0fe64c4679e72846d1a11cb 100644
--- a/dnn/src/x86/convolution/sse/convolution_xcorr_fh7_sse.cpp
+++ b/dnn/src/x86/convolution/sse/convolution_xcorr_fh7_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/convolution/sse/convolution_xcorr_fh7_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/cvt_color/opr_impl.cpp b/dnn/src/x86/cvt_color/opr_impl.cpp
index ef1d64f641bf15178fdb933b94fdf396f6589a1e..7077306d2918ba775d581e5fc9754c77f5567b3a 100644
--- a/dnn/src/x86/cvt_color/opr_impl.cpp
+++ b/dnn/src/x86/cvt_color/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/cvt_color/opr_impl.h b/dnn/src/x86/cvt_color/opr_impl.h
index a20ceac107b8d9b8279055a272fccef468941c6b..58b12b3c720cf9c38e96d0be4f95f59818c43bdb 100644
--- a/dnn/src/x86/cvt_color/opr_impl.h
+++ b/dnn/src/x86/cvt_color/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/cvt_color/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/avx_util/avx_mathfun.cpp b/dnn/src/x86/elemwise/avx_util/avx_mathfun.cpp
index fc1b1cc95937279ef841260ed0f6abc08c8ec55e..95e17043dcaf0d0b5f5eeb4581a31c97dc380987 100644
--- a/dnn/src/x86/elemwise/avx_util/avx_mathfun.cpp
+++ b/dnn/src/x86/elemwise/avx_util/avx_mathfun.cpp
@@ -33,7 +33,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/avx_util/avx_mathfun.h b/dnn/src/x86/elemwise/avx_util/avx_mathfun.h
index 423caf1b3a1aa7f57a116c014301f2f4a58a8a62..55e1bf4538f88198fc62d6b7aaeff0f5321e92cd 100644
--- a/dnn/src/x86/elemwise/avx_util/avx_mathfun.h
+++ b/dnn/src/x86/elemwise/avx_util/avx_mathfun.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/avx_util/avx_mathfun.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/avx_util/avx_util.cpp b/dnn/src/x86/elemwise/avx_util/avx_util.cpp
index 610bcea7c0220fa129911443df104828353263cd..36969ddfe3ed728e72d1de1c1cdb2b7e3a196213 100644
--- a/dnn/src/x86/elemwise/avx_util/avx_util.cpp
+++ b/dnn/src/x86/elemwise/avx_util/avx_util.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/avx_util/avx_util.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/avx_util/avx_util.h b/dnn/src/x86/elemwise/avx_util/avx_util.h
index 78c19668845ec7d508504c9706f6ffb1d6aa2512..66ac9fd40429832ba0f91cfbee9e893a0dced20c 100644
--- a/dnn/src/x86/elemwise/avx_util/avx_util.h
+++ b/dnn/src/x86/elemwise/avx_util/avx_util.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/avx_util/avx_util.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/fma_util/fma_util.cpp b/dnn/src/x86/elemwise/fma_util/fma_util.cpp
index bc3e60c3069fb0a15348271a6d16dbbca4543fd2..035c79f5eb8dcdfc1ace10e811fbc95ac3b0b057 100644
--- a/dnn/src/x86/elemwise/fma_util/fma_util.cpp
+++ b/dnn/src/x86/elemwise/fma_util/fma_util.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/fma_util/fma_util.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/fma_util/fma_util.h b/dnn/src/x86/elemwise/fma_util/fma_util.h
index d10dcb83753f8a6bdb18f13fca2955bc86f27afa..2a145112e2c21f04c4a752fe051af437253cd23e 100644
--- a/dnn/src/x86/elemwise/fma_util/fma_util.h
+++ b/dnn/src/x86/elemwise/fma_util/fma_util.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/fma_util/fma_util.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/opr_impl.cpp b/dnn/src/x86/elemwise/opr_impl.cpp
index bfc1dbb1fadb428139948178c585336d33c4ed8a..8df7155d24f4bb39c3f7a7b6283e35a65a167eff 100644
--- a/dnn/src/x86/elemwise/opr_impl.cpp
+++ b/dnn/src/x86/elemwise/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/opr_impl.h b/dnn/src/x86/elemwise/opr_impl.h
index 906fd85c84bfb2a2c441ea5608f78914c65f0467..4e3a7858d45d825640c191bc2a81a62416c852e7 100644
--- a/dnn/src/x86/elemwise/opr_impl.h
+++ b/dnn/src/x86/elemwise/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/sse_util/sse_mathfun.cpp b/dnn/src/x86/elemwise/sse_util/sse_mathfun.cpp
index 07fae08aa7f838ac0bcd6b2dc4829fc8b7687832..33b46da411ebf822bc5876231b492b47100c9214 100644
--- a/dnn/src/x86/elemwise/sse_util/sse_mathfun.cpp
+++ b/dnn/src/x86/elemwise/sse_util/sse_mathfun.cpp
@@ -34,7 +34,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/sse_util/sse_mathfun.h b/dnn/src/x86/elemwise/sse_util/sse_mathfun.h
index 7454a7e97b237ffcd692e93e2da76f56a2d4ee86..e2aed9f3db69f9610a584c1fc018ffeec39058c2 100644
--- a/dnn/src/x86/elemwise/sse_util/sse_mathfun.h
+++ b/dnn/src/x86/elemwise/sse_util/sse_mathfun.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/sse_util/sse_mathfun.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/sse_util/sse_util.cpp b/dnn/src/x86/elemwise/sse_util/sse_util.cpp
index 7d01533487efac1ac2523524379b94dd467c6549..f4f9c9a3cf64b9c9dd89dea7b0fef2a8dcae3a7b 100644
--- a/dnn/src/x86/elemwise/sse_util/sse_util.cpp
+++ b/dnn/src/x86/elemwise/sse_util/sse_util.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/sse_util/sse_util.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise/sse_util/sse_util.h b/dnn/src/x86/elemwise/sse_util/sse_util.h
index 9a987e5ef17e088933de2066fc348dc4f249970d..b5d650c08d6f0c2bb678d27ae4ab5054b3a1a878 100644
--- a/dnn/src/x86/elemwise/sse_util/sse_util.h
+++ b/dnn/src/x86/elemwise/sse_util/sse_util.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise/sse_util/sse_util.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/abs.h b/dnn/src/x86/elemwise_helper/kimpl/abs.h
index a2365094c56b15a487c96a9df0364ab234595c99..90f085f767128fe9e9b4aad09b0d45ddc5d0c5a9 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/abs.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/abs.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/abs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/add.h b/dnn/src/x86/elemwise_helper/kimpl/add.h
index 1792484e5bdfa38fdc0441579400559f1965a8c9..89b150092df726e1d1be995274b1c1a4e5157d09 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/add.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/add.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/add.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/exp.h b/dnn/src/x86/elemwise_helper/kimpl/exp.h
index cabdf0daca68f76b5fbdaff6ffb5483c8fa4d97a..bfb91599d33af1bce9f093e39485b55dea44f816 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/exp.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/exp.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/exp.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/fast_tanh.h b/dnn/src/x86/elemwise_helper/kimpl/fast_tanh.h
index c6810156d337626844464d85407b0bb7f6a2f7da..29c042c26ed47bb5ea800798aaf521a12b55da35 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/fast_tanh.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/fast_tanh.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/fast_tanh.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/fuse_add_h_swish.h b/dnn/src/x86/elemwise_helper/kimpl/fuse_add_h_swish.h
index 01e7771a44dd9ed6739b3f92558f480af1ef3bf2..a60f67b2a697d02b83ad231f3f3848229af2f695 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/fuse_add_h_swish.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/fuse_add_h_swish.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/fuse_add_h_swish.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/fuse_add_relu.h b/dnn/src/x86/elemwise_helper/kimpl/fuse_add_relu.h
index bf19f0d5fd5a97bb5161020314d31db959798c88..500c2d87cbb5b959d8545812cdc1422aefea30e1 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/fuse_add_relu.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/fuse_add_relu.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/fuse_add_relu.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/fuse_add_sigmoid.h b/dnn/src/x86/elemwise_helper/kimpl/fuse_add_sigmoid.h
index bea96da6c97b234a306a635578bd695685c537f3..cac9fd29573dab225a24d864fafe2bd1d9c054ef 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/fuse_add_sigmoid.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/fuse_add_sigmoid.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/fuse_add_sigmoid.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/fuse_add_tanh.h b/dnn/src/x86/elemwise_helper/kimpl/fuse_add_tanh.h
index a5241a92b2fc9fb72574a1452f1a2ad4b3c03e3e..a53f8c7d9dcdf6ee6d3a757c8a5ca12ae643e8c2 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/fuse_add_tanh.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/fuse_add_tanh.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/fuse_add_tanh.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/fuse_mul_add3.h b/dnn/src/x86/elemwise_helper/kimpl/fuse_mul_add3.h
index e5914c9c30e54947c21e62170ea91a0c1a0a0078..8cc663015846c02c6e3d99599a56db46975d3133 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/fuse_mul_add3.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/fuse_mul_add3.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/fuse_mul_add3.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/hswish.h b/dnn/src/x86/elemwise_helper/kimpl/hswish.h
index 77f1525d7110463e02b0eb46c945ff04fa274f88..475c8520be4b91fd7dfd843ebb17ba7c35018ec8 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/hswish.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/hswish.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/hswish.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/max.h b/dnn/src/x86/elemwise_helper/kimpl/max.h
index a9eb29d3b9e19c9b255c8946ba7df85e607f62d4..f8c527ec649181c4d52abf594f7e0cbe839e4b73 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/max.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/max.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/max.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/min.h b/dnn/src/x86/elemwise_helper/kimpl/min.h
index 882c30e7329f21ab115e52a2ddc170f939b82708..9166ee345d8399ec8a1a05905c26c864cf5c5fd1 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/min.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/min.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/min.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/mul.h b/dnn/src/x86/elemwise_helper/kimpl/mul.h
index c0f8bef0b9a22021a270cb1005af18e13939c400..a3073f8b5293a30d234cecebfa07c5212796530f 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/mul.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/mul.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/mul.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/none.h b/dnn/src/x86/elemwise_helper/kimpl/none.h
index 9efc42d39d8a42ede74d9c4a1886fb550d550606..140c82605a8c826eb681539eb586fdf184976d70 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/none.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/none.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/none.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/op_binary_base.h b/dnn/src/x86/elemwise_helper/kimpl/op_binary_base.h
index f730deb2df905e41df27c116ecc585356d85d3b7..732d6d19aae83671d7afa85fd904d7956189c590 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/op_binary_base.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/op_binary_base.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/op_binary_base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/op_ternary_base.h b/dnn/src/x86/elemwise_helper/kimpl/op_ternary_base.h
index b29ca02a0a42af9f16801b807f0361b743a2164d..ac54fc718acc6982b457eaa37f39e0c537ce72ae 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/op_ternary_base.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/op_ternary_base.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/op_ternary_base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/op_unary_base.h b/dnn/src/x86/elemwise_helper/kimpl/op_unary_base.h
index e0df6b5a37fc2a8fc400cbe9a73459ec12ab28b1..207dbbf90a269f707dcb9359a42d27301bfbf620 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/op_unary_base.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/op_unary_base.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/op_unary_base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/pow.h b/dnn/src/x86/elemwise_helper/kimpl/pow.h
index d0f409f909b78b8d310be6bffa540e31bb604116..d82a6beafe99dee28b8bfc00adddd42e4f4a18dd 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/pow.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/pow.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/pow.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/relu.h b/dnn/src/x86/elemwise_helper/kimpl/relu.h
index 8d4a741b9b7876aa4cc341683e2d55b4315df8dc..f7d857325cb39a899eb9a9a3ba1751a0485f44c8 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/relu.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/relu.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/relu.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/sigmoid.h b/dnn/src/x86/elemwise_helper/kimpl/sigmoid.h
index 015536b72371dcbe341e3244e14ceb765b75795d..249f03e5ec57fea1b9231a2c2677d88c2aacc44d 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/sigmoid.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/sigmoid.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/sigmoid.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/sub.h b/dnn/src/x86/elemwise_helper/kimpl/sub.h
index 22ac1eab3147f63825ec01e0bf11d94cb2ec6fcb..787a18e0387a5e8ab948f42d3fa40faf107db279 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/sub.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/sub.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/sub.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/tanh.h b/dnn/src/x86/elemwise_helper/kimpl/tanh.h
index 7771b13de23b0ad927af336f02fcca77cb2af95a..6c508cf0cc47e07e0320298f186c672f388960c2 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/tanh.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/tanh.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/tanh.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/kimpl/typecvt.h b/dnn/src/x86/elemwise_helper/kimpl/typecvt.h
index eb7d032f222d94461d610b4d1d5f669f40bc5e55..0e0b594ebf7cfc8ff2e7bce803582ffff674a77d 100644
--- a/dnn/src/x86/elemwise_helper/kimpl/typecvt.h
+++ b/dnn/src/x86/elemwise_helper/kimpl/typecvt.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/kimpl/typecvt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/op_binary.h b/dnn/src/x86/elemwise_helper/op_binary.h
index 4fea823c99f95080e215d5e300eeee43e0256fdb..14934f3184089fdb62d94a7353e0b599393153f4 100644
--- a/dnn/src/x86/elemwise_helper/op_binary.h
+++ b/dnn/src/x86/elemwise_helper/op_binary.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/op_binary.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/op_ternary.h b/dnn/src/x86/elemwise_helper/op_ternary.h
index 39c03b1a3cc02a5473bf3f74050033aa3c1cd372..ebc544e2e836604851f1e996e9792ca607b52675 100644
--- a/dnn/src/x86/elemwise_helper/op_ternary.h
+++ b/dnn/src/x86/elemwise_helper/op_ternary.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/op_ternary.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_helper/op_unary.h b/dnn/src/x86/elemwise_helper/op_unary.h
index 6679543f02120585cd078b315ed474316d254be8..14a41a940bd4ff7376b343e0f174649f3a88c95f 100644
--- a/dnn/src/x86/elemwise_helper/op_unary.h
+++ b/dnn/src/x86/elemwise_helper/op_unary.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_helper/op_unary.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_multi_type/opr_impl.cpp b/dnn/src/x86/elemwise_multi_type/opr_impl.cpp
index 92fb69eb8b7241c7e1d2f7f31c495a9007931df0..abe28168b581bba74b7255cb3c9bff44f9e0e1cb 100644
--- a/dnn/src/x86/elemwise_multi_type/opr_impl.cpp
+++ b/dnn/src/x86/elemwise_multi_type/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_multi_type/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_multi_type/opr_impl.h b/dnn/src/x86/elemwise_multi_type/opr_impl.h
index 4f44ec793bde48410f934ec130e3655b70b71b7d..3586857a2e62ca5b20aac0a2b37269a61f2e4f36 100644
--- a/dnn/src/x86/elemwise_multi_type/opr_impl.h
+++ b/dnn/src/x86/elemwise_multi_type/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_multi_type/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/elemwise_op.h b/dnn/src/x86/elemwise_op.h
index 39c59cce3625fd818aa39369ce256298e19e03eb..2f95a93fcad74e599bca9e2f3b940c85f368472c 100644
--- a/dnn/src/x86/elemwise_op.h
+++ b/dnn/src/x86/elemwise_op.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/elemwise_op.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/gaussian_blur/filter.h b/dnn/src/x86/gaussian_blur/filter.h
index 1c2d5fc8ab179fc99dcb8429f1081a91f2797535..446490a6b60eb33186b2fd24d07cd9391b42f4e1 100644
--- a/dnn/src/x86/gaussian_blur/filter.h
+++ b/dnn/src/x86/gaussian_blur/filter.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/gaussian_blur/opr_impl.cpp b/dnn/src/x86/gaussian_blur/opr_impl.cpp
index 065736e634115ef0c4c3dc8c77fd245b13bde270..eeeb0115b641f763d0c94961ea02b21e836fe400 100644
--- a/dnn/src/x86/gaussian_blur/opr_impl.cpp
+++ b/dnn/src/x86/gaussian_blur/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/gaussian_blur/opr_impl.h b/dnn/src/x86/gaussian_blur/opr_impl.h
index e26dbbadca635fb09c83a3ddcf765c6b19048820..7698325057703fdff75048249b4b7eba559fd706 100644
--- a/dnn/src/x86/gaussian_blur/opr_impl.h
+++ b/dnn/src/x86/gaussian_blur/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/gaussian_blur/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/handle.cpp b/dnn/src/x86/handle.cpp
index b7c441c97f9077168f2aa479aa7d96f1cf8f9b20..0889cbd75e9145393365c12801c3128e344a281c 100644
--- a/dnn/src/x86/handle.cpp
+++ b/dnn/src/x86/handle.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/handle.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/handle.h b/dnn/src/x86/handle.h
index 488ee4d5d59cb141a160effcbcf9bd078d75aa24..1de0121cb0afc0b255c1cd91cf673cbbf84f5e1b 100644
--- a/dnn/src/x86/handle.h
+++ b/dnn/src/x86/handle.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/handle.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/local/local_avx.cpp b/dnn/src/x86/local/local_avx.cpp
index a1d30fe7f8993788f845576e11fcbb4d9cc022c4..9c66a7c745508b0db8b74793901b1ea5c7575b6f 100644
--- a/dnn/src/x86/local/local_avx.cpp
+++ b/dnn/src/x86/local/local_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/local/local_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/local/local_fma.cpp b/dnn/src/x86/local/local_fma.cpp
index 9f0929bfc477edcecc958550e250b7a10b7802ec..ceef48e2156941a539d6378196d3c0bf5ac4061b 100644
--- a/dnn/src/x86/local/local_fma.cpp
+++ b/dnn/src/x86/local/local_fma.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/local/local_fma.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/local/local_simd.h b/dnn/src/x86/local/local_simd.h
index 5748600a0ba6179e62c4b77a1bcc604d3bbe997f..8fe710c3413371bb583aa95d2f5c1405c1875383 100644
--- a/dnn/src/x86/local/local_simd.h
+++ b/dnn/src/x86/local/local_simd.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/local/local_simd.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/local/local_sse.cpp b/dnn/src/x86/local/local_sse.cpp
index 359144fa3692eacf2865b0dfd6464d4bcfd0cb9c..14f2c4e13845f2463723525a35ef2953fd8cdc71 100644
--- a/dnn/src/x86/local/local_sse.cpp
+++ b/dnn/src/x86/local/local_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/local/local_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/local/opr_impl.cpp b/dnn/src/x86/local/opr_impl.cpp
index dc5317078a640900d097d97199512e7e1e4b7c07..8b323ca025e04704125a07efe7bb069374ecb65c 100644
--- a/dnn/src/x86/local/opr_impl.cpp
+++ b/dnn/src/x86/local/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/local/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/local/opr_impl.h b/dnn/src/x86/local/opr_impl.h
index 5c854a2d012d6d0617d0757478c369a2672722de..ffc53fde5deac758b969935c7d326a981880dd59 100644
--- a/dnn/src/x86/local/opr_impl.h
+++ b/dnn/src/x86/local/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/local/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/lrn/opr_impl.cpp b/dnn/src/x86/lrn/opr_impl.cpp
index e00d7412d96b6d3a016c7ae412587f0e5b907348..98f37951ffa632d87326e3d026a3dbe1f66f3bcc 100644
--- a/dnn/src/x86/lrn/opr_impl.cpp
+++ b/dnn/src/x86/lrn/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/lrn/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/lrn/opr_impl.h b/dnn/src/x86/lrn/opr_impl.h
index 3cc733a7334a8edd266706a0cced84f9512c373c..55cc489a95ff2e120cd1b923bd574ec1ac532693 100644
--- a/dnn/src/x86/lrn/opr_impl.h
+++ b/dnn/src/x86/lrn/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/lrn/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/algos.cpp b/dnn/src/x86/matrix_mul/algos.cpp
index 2562f641209b2984d936ff2f198c258291efa1b5..782d4cfed66b1c8b1aae5eae09cfe106ba521a87 100644
--- a/dnn/src/x86/matrix_mul/algos.cpp
+++ b/dnn/src/x86/matrix_mul/algos.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/algos.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/algos.h b/dnn/src/x86/matrix_mul/algos.h
index b17c197d6a7077932d772049759fa19db5f5ffd3..14c6eca1774de12fa658482ec1749fefff2cd60f 100644
--- a/dnn/src/x86/matrix_mul/algos.h
+++ b/dnn/src/x86/matrix_mul/algos.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/algos.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/common/common.h b/dnn/src/x86/matrix_mul/common/common.h
index 2b5a3e0b7d43ba99adbd75f7a735dcfb6a6ee172..fb49e289ef0bac974aa6c34ae234420d68930117 100644
--- a/dnn/src/x86/matrix_mul/common/common.h
+++ b/dnn/src/x86/matrix_mul/common/common.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/common/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/f32/strategy.h b/dnn/src/x86/matrix_mul/f32/strategy.h
index 4816cf0f3c3972d51201d57b926aa48f326743d4..7f7990023b8818bbc89c96f728ad6bfdc43564da 100644
--- a/dnn/src/x86/matrix_mul/f32/strategy.h
+++ b/dnn/src/x86/matrix_mul/f32/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/f32/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/f32/strategy_mk8_8x8.cpp b/dnn/src/x86/matrix_mul/f32/strategy_mk8_8x8.cpp
index 208158461cb5e30ccac3a722a541393f3ff0ee6d..9b5e89c2a2559d4d95eb04b27920f32c91cdad98 100644
--- a/dnn/src/x86/matrix_mul/f32/strategy_mk8_8x8.cpp
+++ b/dnn/src/x86/matrix_mul/f32/strategy_mk8_8x8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/f32/strategy_mk8_8x8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/avx2_strategy_2x4x16.cpp b/dnn/src/x86/matrix_mul/int8/avx2_strategy_2x4x16.cpp
index 80d385ecee2c71cd48159d3811a0740121e8ad3c..78af8448284673a080d7049ffc860d069893efce 100644
--- a/dnn/src/x86/matrix_mul/int8/avx2_strategy_2x4x16.cpp
+++ b/dnn/src/x86/matrix_mul/int8/avx2_strategy_2x4x16.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/avx2_strategy_2x4x16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/avx2_strategy_4x16x2.cpp b/dnn/src/x86/matrix_mul/int8/avx2_strategy_4x16x2.cpp
index 57cd5c084a6e52789be6ef8d4bd2807105356ed2..681727c1ed59469c6c9f2a11ab98887bc1336190 100644
--- a/dnn/src/x86/matrix_mul/int8/avx2_strategy_4x16x2.cpp
+++ b/dnn/src/x86/matrix_mul/int8/avx2_strategy_4x16x2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/avx2_strategy_4x16x2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/kernel_avx2_2x4x16.h b/dnn/src/x86/matrix_mul/int8/kernel_avx2_2x4x16.h
index 58516bd7dfd81c0be70819bb99bed4c3897371d5..6379c51398a017468747f833f18c255c9d762c4b 100644
--- a/dnn/src/x86/matrix_mul/int8/kernel_avx2_2x4x16.h
+++ b/dnn/src/x86/matrix_mul/int8/kernel_avx2_2x4x16.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/kernel_avx2_2x4x16.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/kernel_avx2_4x16x2.h b/dnn/src/x86/matrix_mul/int8/kernel_avx2_4x16x2.h
index ff32e2d3fb7ed158981f3b521c4421c31d420d7b..2887fcac7f74a3ba7e3b41d69e71be8b57c63f4d 100644
--- a/dnn/src/x86/matrix_mul/int8/kernel_avx2_4x16x2.h
+++ b/dnn/src/x86/matrix_mul/int8/kernel_avx2_4x16x2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/kernel_avx2_4x16x2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/kernel_sse_4x8x2.h b/dnn/src/x86/matrix_mul/int8/kernel_sse_4x8x2.h
index c0e90c4df4b055d775c77d691bc34f3c3ea7173d..c225f2fc7f03ac2dff05848e93d8757f3615a5bb 100644
--- a/dnn/src/x86/matrix_mul/int8/kernel_sse_4x8x2.h
+++ b/dnn/src/x86/matrix_mul/int8/kernel_sse_4x8x2.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/kernel_sse_4x8x2.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/kernel_vnni_12x32x4.h b/dnn/src/x86/matrix_mul/int8/kernel_vnni_12x32x4.h
index aabf281ef7a0d7c014fd367c8560419e49b98833..b14807da6d9a46ad57afe9d912716987e42f4896 100644
--- a/dnn/src/x86/matrix_mul/int8/kernel_vnni_12x32x4.h
+++ b/dnn/src/x86/matrix_mul/int8/kernel_vnni_12x32x4.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/kernel_vnni_12x32x4.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/sse_strategy_4x8x2.cpp b/dnn/src/x86/matrix_mul/int8/sse_strategy_4x8x2.cpp
index d4f931a9e914b1c51391e7ee3b733d20a7861f7b..d47e7f0485c81f01d2031e8d9dd94a8369008600 100644
--- a/dnn/src/x86/matrix_mul/int8/sse_strategy_4x8x2.cpp
+++ b/dnn/src/x86/matrix_mul/int8/sse_strategy_4x8x2.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/sse_strategy_4x8x2.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/strategy.h b/dnn/src/x86/matrix_mul/int8/strategy.h
index 2be50dec80e4ca816f01d3c2307e0216e925715b..61cd61af1e19ae16ce003852a7c0b59088107a31 100644
--- a/dnn/src/x86/matrix_mul/int8/strategy.h
+++ b/dnn/src/x86/matrix_mul/int8/strategy.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/strategy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/int8/vnni_strategy.cpp b/dnn/src/x86/matrix_mul/int8/vnni_strategy.cpp
index 4c040aacd9ab71a36846aeacc168f289975e86d0..73633f889318edf28be2f7ce52d1e88791b36f27 100644
--- a/dnn/src/x86/matrix_mul/int8/vnni_strategy.cpp
+++ b/dnn/src/x86/matrix_mul/int8/vnni_strategy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/int8/vnni_strategy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/opr_impl.cpp b/dnn/src/x86/matrix_mul/opr_impl.cpp
index fb19c1ff9cc48740896e6c8c2c7650a8e26ad94c..cf6e64e931971be426af89c55ec72f3c7f389dba 100644
--- a/dnn/src/x86/matrix_mul/opr_impl.cpp
+++ b/dnn/src/x86/matrix_mul/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/matrix_mul/opr_impl.h b/dnn/src/x86/matrix_mul/opr_impl.h
index cc47477341f70b7aa476cd13ad03a0ee05b0633f..5d9eb78e915e7d2eba6cda6c0b7d98b674376e35 100644
--- a/dnn/src/x86/matrix_mul/opr_impl.h
+++ b/dnn/src/x86/matrix_mul/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/matrix_mul/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/midout_error.cpp b/dnn/src/x86/midout_error.cpp
index f3de6e86ad75decbb85d599162d55e5102fa293c..f0fd34b0cdab13c08c6c03d54a439a77f65b71ca 100644
--- a/dnn/src/x86/midout_error.cpp
+++ b/dnn/src/x86/midout_error.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/midout_error.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.cpp b/dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.cpp
index 30e015fee62d41bde399bd8a3f7951f8c49a76de..ba83e2066b1db89a4e58734ea73cd1c61e3ed6d7 100644
--- a/dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.cpp
+++ b/dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.h b/dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.h
index 0da5f00da5ea32ff1e9bd11d3c9d5c6726e1542c..ac3aa4e641fd0aaaf9d2d0930ea497e86ef2ee11 100644
--- a/dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.h
+++ b/dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/pooling/do_max_pooling_3x3_s2x2_float_sse.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/pooling/max_pooling_w2x2_s2x2_sse.cpp b/dnn/src/x86/pooling/max_pooling_w2x2_s2x2_sse.cpp
index de52daf57bbbf1baf46c4c9a09b38ad33a305364..486d8132c42cd9e85a2cad86376d874e06237395 100644
--- a/dnn/src/x86/pooling/max_pooling_w2x2_s2x2_sse.cpp
+++ b/dnn/src/x86/pooling/max_pooling_w2x2_s2x2_sse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/pooling/max_pooling_w2x2_s2x2_sse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_avx.cpp b/dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_avx.cpp
index e0e76fa6a4a9d2c7cb993c42109a7daa3405684e..843d7cc1737a27b770f1c97dc1cb0192be486188 100644
--- a/dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_avx.cpp
+++ b/dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_avx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_avx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_sse3.cpp b/dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_sse3.cpp
index 065f606c38d74d75c6810b8c2d2d78380165e559..fa54da80c8e7e9d4ff178540d2933aa41e0a4591 100644
--- a/dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_sse3.cpp
+++ b/dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_sse3.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/pooling/mean_pooling_w2x2_s2x2_sse3.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/pooling/opr_impl.cpp b/dnn/src/x86/pooling/opr_impl.cpp
index e7e14eb03d213b226bdac6fc06af5a7eb1c8bad8..bad5a9bd482fc0c3c15a8a44ba40a5e5d8fadf0c 100644
--- a/dnn/src/x86/pooling/opr_impl.cpp
+++ b/dnn/src/x86/pooling/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/pooling/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/pooling/opr_impl.h b/dnn/src/x86/pooling/opr_impl.h
index 28a6f2e04cdfcf63e886afce79ee03ffdd4519c2..b97a01df9618ffee84cf91851d0686a57519328e 100644
--- a/dnn/src/x86/pooling/opr_impl.h
+++ b/dnn/src/x86/pooling/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/pooling/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/pooling/pooling_special_cases.h b/dnn/src/x86/pooling/pooling_special_cases.h
index e3527eeab4f9768e2f976eb150fdfbae8117774b..7cc08081d8d504642f85a46e7f3ed5b51b863b16 100644
--- a/dnn/src/x86/pooling/pooling_special_cases.h
+++ b/dnn/src/x86/pooling/pooling_special_cases.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/pooling/pooling_special_cases.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/quantized_converter.h b/dnn/src/x86/quantized_converter.h
index 96bbed986bf7003d0cd03ae545dfc9c0d14fc261..5eda2fccb37cfedd34547daed107f5a9a4cabb4f 100644
--- a/dnn/src/x86/quantized_converter.h
+++ b/dnn/src/x86/quantized_converter.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/quantized_converter.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/resize/opr_impl.cpp b/dnn/src/x86/resize/opr_impl.cpp
index 645f71829f9a8f1773237cbe8fc94a2a1aef2a2b..4f68b8f4bedba1f06c75a4a25d95ff57d9cdda16 100644
--- a/dnn/src/x86/resize/opr_impl.cpp
+++ b/dnn/src/x86/resize/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/resize/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/resize/opr_impl.h b/dnn/src/x86/resize/opr_impl.h
index 31b31379e255c9d362fd4c036396e65e7bff6181..93db0d432e2e170203d360e0f7f042cde88b0779 100644
--- a/dnn/src/x86/resize/opr_impl.h
+++ b/dnn/src/x86/resize/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/resize/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/resize/resize_cv.cpp b/dnn/src/x86/resize/resize_cv.cpp
index 80308d100561a7c90f005438041f82b7e9228f03..5ed3fc4adc4010fa82c467e5daea8a08b8b0d761 100644
--- a/dnn/src/x86/resize/resize_cv.cpp
+++ b/dnn/src/x86/resize/resize_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/resize/resize_cv.h b/dnn/src/x86/resize/resize_cv.h
index 93f300cc7f18c11e0a23c48ce7cb00a65100a669..9ea416058787cbc04a1ced77d42fe762443c4900 100644
--- a/dnn/src/x86/resize/resize_cv.h
+++ b/dnn/src/x86/resize/resize_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/resize/resize_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/script/extract_profile_result.py b/dnn/src/x86/script/extract_profile_result.py
index 6608e3d984c21bbd648da5ee7bc2fb8cb504c911..781fbc626aec5ebd3b3906e2f369f38f53a8a1ad 100755
--- a/dnn/src/x86/script/extract_profile_result.py
+++ b/dnn/src/x86/script/extract_profile_result.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/dnn/src/x86/script/gen_convolution2.py b/dnn/src/x86/script/gen_convolution2.py
index b07a1a479ed00776b4269245fbc89e4857023f70..67a57a4e30edbc969d5b876fff945c9ead285622 100755
--- a/dnn/src/x86/script/gen_convolution2.py
+++ b/dnn/src/x86/script/gen_convolution2.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/dnn/src/x86/separable_conv/opr_impl.cpp b/dnn/src/x86/separable_conv/opr_impl.cpp
index 2926af58608e65e293ef5b3f10244c3e4aa96bcf..17f99e577e29ad0597ae67d61a79b0a0e3e81337 100644
--- a/dnn/src/x86/separable_conv/opr_impl.cpp
+++ b/dnn/src/x86/separable_conv/opr_impl.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/separable_conv/opr_impl.h b/dnn/src/x86/separable_conv/opr_impl.h
index 376eab69e39d51099cfada5e4ef21278168a6b89..0190f13908908809e6f691d7ea60d5fb9bd3a9fe 100644
--- a/dnn/src/x86/separable_conv/opr_impl.h
+++ b/dnn/src/x86/separable_conv/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/separable_conv/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/separable_conv/sep_conv_common.h b/dnn/src/x86/separable_conv/sep_conv_common.h
index 03378c04c77e9f03bca923c786a2d320c9559351..bf8c118c0b47df49a25d061d9a802ffe55737f40 100644
--- a/dnn/src/x86/separable_conv/sep_conv_common.h
+++ b/dnn/src/x86/separable_conv/sep_conv_common.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/separable_conv/sep_conv_filter.h b/dnn/src/x86/separable_conv/sep_conv_filter.h
index 041ce9e389ad84f0d78194de73b8c9efd2ebe99f..ab6b29f56bc13d564fc2171a14e5a2ef1808bfb9 100644
--- a/dnn/src/x86/separable_conv/sep_conv_filter.h
+++ b/dnn/src/x86/separable_conv/sep_conv_filter.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/separable_conv/sep_conv_filter_engine.cpp b/dnn/src/x86/separable_conv/sep_conv_filter_engine.cpp
index fec7788d143294cd021e6ce1d46a3fb71a6ddc1b..ff6773ea475b87118e11fcf564f143a1d86a4264 100644
--- a/dnn/src/x86/separable_conv/sep_conv_filter_engine.cpp
+++ b/dnn/src/x86/separable_conv/sep_conv_filter_engine.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/separable_filter/filter.h b/dnn/src/x86/separable_filter/filter.h
index abbf321c616f599af590bdbadb3541797e1a6b96..f35d21bc8d22675d008e0b5d10f63d428efbcc24 100644
--- a/dnn/src/x86/separable_filter/filter.h
+++ b/dnn/src/x86/separable_filter/filter.h
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/separable_filter/opr_impl.cpp b/dnn/src/x86/separable_filter/opr_impl.cpp
index eba9c356f685e9d52fa87cf272a30c54bb971014..36fb6a71cb88a75a7cf084ee0e1a02c77d9c398b 100644
--- a/dnn/src/x86/separable_filter/opr_impl.cpp
+++ b/dnn/src/x86/separable_filter/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/separable_filter/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/separable_filter/opr_impl.h b/dnn/src/x86/separable_filter/opr_impl.h
index 82c506ba4f35f2ab5c6a6aea168c2e7b8b0a0e4d..63381a6d65101e8d8c7647fd767a41a7b598f385 100644
--- a/dnn/src/x86/separable_filter/opr_impl.h
+++ b/dnn/src/x86/separable_filter/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/separable_filter/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_helper.h b/dnn/src/x86/simd_helper.h
index ff1bee0dbd50c20415f7d9eb393b920f4aae4fec..c9cc0a9940514196976b60c8db06c98ae7f2caae 100644
--- a/dnn/src/x86/simd_helper.h
+++ b/dnn/src/x86/simd_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/avx2_helper.h b/dnn/src/x86/simd_macro/avx2_helper.h
index 68b5fb4a4cce1eb8859da9a4698a1f432a30c0f7..02022d33d75134208eac1a2061819188437d4c12 100644
--- a/dnn/src/x86/simd_macro/avx2_helper.h
+++ b/dnn/src/x86/simd_macro/avx2_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/avx2_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/avx2_helper_epilogue.h b/dnn/src/x86/simd_macro/avx2_helper_epilogue.h
index f5882d79039cd84ef7a1f3588586b59773718050..a64335cec3ab855fab39a24daf5becde4d3042f2 100644
--- a/dnn/src/x86/simd_macro/avx2_helper_epilogue.h
+++ b/dnn/src/x86/simd_macro/avx2_helper_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/avx2_helper_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/avx_helper.h b/dnn/src/x86/simd_macro/avx_helper.h
index d35723b8fa8d623a967f7f1095e08543f29e37de..9f480d487e830a4c7fb8e4fc099e963b30bf6da7 100644
--- a/dnn/src/x86/simd_macro/avx_helper.h
+++ b/dnn/src/x86/simd_macro/avx_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/avx_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/avx_helper_epilogue.h b/dnn/src/x86/simd_macro/avx_helper_epilogue.h
index e12c6833dd1037ce303e9ac63b359e9c2a27ce65..131079482e024d5a410f1ad16f9023842f79a7bf 100644
--- a/dnn/src/x86/simd_macro/avx_helper_epilogue.h
+++ b/dnn/src/x86/simd_macro/avx_helper_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/avx_helper_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/fma_helper.h b/dnn/src/x86/simd_macro/fma_helper.h
index b304af168f8907d2d049b42f260af2bbba10b32c..facf541669205d4d59b06da2a4ca41f557001297 100644
--- a/dnn/src/x86/simd_macro/fma_helper.h
+++ b/dnn/src/x86/simd_macro/fma_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/fma_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/fma_helper_epilogue.h b/dnn/src/x86/simd_macro/fma_helper_epilogue.h
index 543d77ae2a44845446a44c73c67ed6b298e3f9f7..35a3d3a2963392a9646171a7d673f0c58c2e5a72 100644
--- a/dnn/src/x86/simd_macro/fma_helper_epilogue.h
+++ b/dnn/src/x86/simd_macro/fma_helper_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/fma_helper_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/immintrin.h b/dnn/src/x86/simd_macro/immintrin.h
index 9d297886810c30fc50822be276d4c27c8e126896..42d733f776f0e1d1f08f682664bec9639552bbbb 100644
--- a/dnn/src/x86/simd_macro/immintrin.h
+++ b/dnn/src/x86/simd_macro/immintrin.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/immintrin.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/sse_helper.h b/dnn/src/x86/simd_macro/sse_helper.h
index a3bc9728cc32cc74492c538d30cd7c4c6ed9b842..9336a2758bfc7e24f8fb6937701dffdbc6f58358 100644
--- a/dnn/src/x86/simd_macro/sse_helper.h
+++ b/dnn/src/x86/simd_macro/sse_helper.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/sse_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/sse_helper_epilogue.h b/dnn/src/x86/simd_macro/sse_helper_epilogue.h
index 325b5990c91fe7ecee445494e7d463c43583edbf..a2a9996411b0f4cbc9b2324cd42d453b420cee65 100644
--- a/dnn/src/x86/simd_macro/sse_helper_epilogue.h
+++ b/dnn/src/x86/simd_macro/sse_helper_epilogue.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/simd_macro/sse_helper_epilogue.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/simd_macro/sse_helper_typedef.h b/dnn/src/x86/simd_macro/sse_helper_typedef.h
index aa7e97e8d8720e28fc2076498a674acca4b2cfea..f1ae863a43a7b7e1c8bb7c39ff2690147330b241 100644
--- a/dnn/src/x86/simd_macro/sse_helper_typedef.h
+++ b/dnn/src/x86/simd_macro/sse_helper_typedef.h
@@ -31,7 +31,7 @@
  * \file dnn/src/x86/simd_macro/sse_helper_typedef.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/type_cvt/opr_impl.cpp b/dnn/src/x86/type_cvt/opr_impl.cpp
index dd7b131866e38b9f78cc4ec6656fceb0b6ea2b7b..42310618f377b4d0dc16077f80d8a695ea36b2b1 100644
--- a/dnn/src/x86/type_cvt/opr_impl.cpp
+++ b/dnn/src/x86/type_cvt/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/type_cvt/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/type_cvt/opr_impl.h b/dnn/src/x86/type_cvt/opr_impl.h
index 97af9e66aebcebbd30683904b0f80a385282c62e..5d051a9c02c4578023f0ea62625a693a819643eb 100644
--- a/dnn/src/x86/type_cvt/opr_impl.h
+++ b/dnn/src/x86/type_cvt/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/type_cvt/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/utils.cpp b/dnn/src/x86/utils.cpp
index 54346b08ba542a0d978d2f703fbeb7acd7a167ce..790c9ffccaf937b7b794e9f8bcc99acfdfde2f3c 100644
--- a/dnn/src/x86/utils.cpp
+++ b/dnn/src/x86/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/utils.h b/dnn/src/x86/utils.h
index d417d9c38976b21675cec650e2ed7537ec9bd868..0d0f7f2cad7a83a7bcac69587de32332aaee83ff 100644
--- a/dnn/src/x86/utils.h
+++ b/dnn/src/x86/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/warp_affine/opr_impl.cpp b/dnn/src/x86/warp_affine/opr_impl.cpp
index 516c70367d35f8ab41fcf5371f9f962181a39bfc..661fe8ad150d2ee3222bd28fa3dc0be6fe77ce46 100644
--- a/dnn/src/x86/warp_affine/opr_impl.cpp
+++ b/dnn/src/x86/warp_affine/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/warp_affine/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/warp_affine/opr_impl.h b/dnn/src/x86/warp_affine/opr_impl.h
index 1f5001538333de35f414728e754d12001f392518..8ad9a6ff2f13a5002dc39847d5ce288cbe301e1b 100644
--- a/dnn/src/x86/warp_affine/opr_impl.h
+++ b/dnn/src/x86/warp_affine/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/warp_affine/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/warp_affine/warp_affine_cv.cpp b/dnn/src/x86/warp_affine/warp_affine_cv.cpp
index b382c60e67f4110bb26e6f87fad2a6f9993ff3b5..a5c3049324d69cd2013e459591fa8a4ba44544a6 100644
--- a/dnn/src/x86/warp_affine/warp_affine_cv.cpp
+++ b/dnn/src/x86/warp_affine/warp_affine_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/warp_affine/warp_affine_cv.h b/dnn/src/x86/warp_affine/warp_affine_cv.h
index 564c8fa13d5ea246eda5cd8c4e5090c0798f4e03..1460ddc3a0825b64efe8aba1127fe464bf30f6d1 100644
--- a/dnn/src/x86/warp_affine/warp_affine_cv.h
+++ b/dnn/src/x86/warp_affine/warp_affine_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/warp_affine/warp_affine_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/warp_perspective/opr_impl.cpp b/dnn/src/x86/warp_perspective/opr_impl.cpp
index 570bc0f91557675cc37f8a4b319857687420b60c..e59778a69445d5cce9174db1a5836406b1a97ae4 100644
--- a/dnn/src/x86/warp_perspective/opr_impl.cpp
+++ b/dnn/src/x86/warp_perspective/opr_impl.cpp
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/warp_perspective/opr_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/warp_perspective/opr_impl.h b/dnn/src/x86/warp_perspective/opr_impl.h
index f6e0929db3fa0273638fbc84715a69eda5997c23..19deda4c0d5e69cb6225ed60ff09e8fd61b1a4ca 100644
--- a/dnn/src/x86/warp_perspective/opr_impl.h
+++ b/dnn/src/x86/warp_perspective/opr_impl.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/warp_perspective/opr_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/warp_perspective/warp_perspective_cv.cpp b/dnn/src/x86/warp_perspective/warp_perspective_cv.cpp
index f02d7a9885aa6631cdd301ee45d3b1f2cfcf9ded..5234bbff922f9324344da97b4e0690def7212e85 100644
--- a/dnn/src/x86/warp_perspective/warp_perspective_cv.cpp
+++ b/dnn/src/x86/warp_perspective/warp_perspective_cv.cpp
@@ -47,7 +47,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/src/x86/warp_perspective/warp_perspective_cv.h b/dnn/src/x86/warp_perspective/warp_perspective_cv.h
index 1e3431083aafc921c36490f8464afdf144d36046..c24f9415d7dc752dc034acf7e6d623edcca8c67d 100644
--- a/dnn/src/x86/warp_perspective/warp_perspective_cv.h
+++ b/dnn/src/x86/warp_perspective/warp_perspective_cv.h
@@ -2,7 +2,7 @@
  * \file dnn/src/x86/warp_perspective/warp_perspective_cv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/aarch64/batched_matrix_mul.cpp b/dnn/test/aarch64/batched_matrix_mul.cpp
index 23003f335efcbbad3456fa9ec93ee1c69d170680..28f638fbf8041d67399a7a612615f11e9f4bf956 100644
--- a/dnn/test/aarch64/batched_matrix_mul.cpp
+++ b/dnn/test/aarch64/batched_matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/aarch64/batched_matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/aarch64/conv_bias.cpp b/dnn/test/aarch64/conv_bias.cpp
index 8d993d2ea89fd134815e940831aabf6f87f0b261..bf4ca1054294189a7a4eafec8f139a1ac9c4feb5 100644
--- a/dnn/test/aarch64/conv_bias.cpp
+++ b/dnn/test/aarch64/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/aarch64/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/aarch64/convolution.cpp b/dnn/test/aarch64/convolution.cpp
index 6bdda2e652910719a96d0c99b89ca5591e64fd82..01609edae4e788412ab55f77522c6ea6dc8a6222 100644
--- a/dnn/test/aarch64/convolution.cpp
+++ b/dnn/test/aarch64/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/aarch64/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/aarch64/fixture.h b/dnn/test/aarch64/fixture.h
index 3c8ffda9bea0f405c4aea72d6762e54d06ed0820..25dd3b3d40f01895bc604460c053217bcccb7d1d 100644
--- a/dnn/test/aarch64/fixture.h
+++ b/dnn/test/aarch64/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/aarch64/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/aarch64/matrix_mul.cpp b/dnn/test/aarch64/matrix_mul.cpp
index 27404d044d7676014f49f088ba43f6a4eb8355e5..0bef6a0a67821c4be563d3ab8f31b444f0709947 100644
--- a/dnn/test/aarch64/matrix_mul.cpp
+++ b/dnn/test/aarch64/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/aarch64/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/aarch64/pooling.cpp b/dnn/test/aarch64/pooling.cpp
index b890d32974ceb3aa64c734c5d8aa492c509a1e77..ffe62c9119de768d8474eeac2b22fca822ba064e 100644
--- a/dnn/test/aarch64/pooling.cpp
+++ b/dnn/test/aarch64/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/aarch64/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/aarch64/rotate.cpp b/dnn/test/aarch64/rotate.cpp
index cedd45fd0640eafc1cd5fda752cd10221394d992..27ebe31d63b479b8fc3b1e8d9cc3495a54644da2 100644
--- a/dnn/test/aarch64/rotate.cpp
+++ b/dnn/test/aarch64/rotate.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/aarch64/rotate.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/aarch64/warp_perspective.cpp b/dnn/test/aarch64/warp_perspective.cpp
index b3a59a4e105b1a6dcf71412228173d3166871c87..3004c02123b623a6a404891e025b53a8ad058a8c 100644
--- a/dnn/test/aarch64/warp_perspective.cpp
+++ b/dnn/test/aarch64/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/aarch64/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/conv_bias.cpp b/dnn/test/arm_common/conv_bias.cpp
index 60c297beb06500665264661bb222b77096411250..08d8add6c47437ef486e53cf3f33cb415f37f0ef 100644
--- a/dnn/test/arm_common/conv_bias.cpp
+++ b/dnn/test/arm_common/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/conv_bias_multi_thread.cpp b/dnn/test/arm_common/conv_bias_multi_thread.cpp
index 3fe6e3957162f1ab7ae3c194dbecb2911c68d7d7..fe7deb97b37f535a738e7ebd627779fe542c1d1a 100644
--- a/dnn/test/arm_common/conv_bias_multi_thread.cpp
+++ b/dnn/test/arm_common/conv_bias_multi_thread.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/conv_bias_multi_thread.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/conv_bias_multi_thread_benchmark.cpp b/dnn/test/arm_common/conv_bias_multi_thread_benchmark.cpp
index 2d07c5b98ff1c2b76e3987a3f6d7f62cc09a5b35..157dda11c29439d16626f0fa69dcde70238e686a 100644
--- a/dnn/test/arm_common/conv_bias_multi_thread_benchmark.cpp
+++ b/dnn/test/arm_common/conv_bias_multi_thread_benchmark.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/conv_bias_multi_thread_benchmark.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/conv_bias_multi_thread_conv1x1.cpp b/dnn/test/arm_common/conv_bias_multi_thread_conv1x1.cpp
index 1a2feb8626129d6c1716566ea97941528365b53a..74e6c1dcda4d9c411945d9f09bd1678fb3475d78 100644
--- a/dnn/test/arm_common/conv_bias_multi_thread_conv1x1.cpp
+++ b/dnn/test/arm_common/conv_bias_multi_thread_conv1x1.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/conv_bias_multi_thread_conv1x1.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/conv_bias_multi_thread_im2col.cpp b/dnn/test/arm_common/conv_bias_multi_thread_im2col.cpp
index a197e430669ade86c00f193dca5eef5e7daf0d20..debfb1f715d448e616cb486462fce9b25c891206 100644
--- a/dnn/test/arm_common/conv_bias_multi_thread_im2col.cpp
+++ b/dnn/test/arm_common/conv_bias_multi_thread_im2col.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/conv_bias_multi_thread_im2col.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/conv_bias_multi_thread_weight_preprocess.cpp b/dnn/test/arm_common/conv_bias_multi_thread_weight_preprocess.cpp
index 03225c0c06e90884e6a54f8f768239fe07ccac64..13f23facad374d6b05f0c3eb3ec47019d5ef7fe5 100644
--- a/dnn/test/arm_common/conv_bias_multi_thread_weight_preprocess.cpp
+++ b/dnn/test/arm_common/conv_bias_multi_thread_weight_preprocess.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/conv_bias_multi_thread_weight_preprocess.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/convolution.cpp b/dnn/test/arm_common/convolution.cpp
index 101b3b032b6b03bba3e0762d8c933f3bdf509d15..d08722913abfad52f922750f780ff5d4239a06bf 100644
--- a/dnn/test/arm_common/convolution.cpp
+++ b/dnn/test/arm_common/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/cpuinfo.cpp b/dnn/test/arm_common/cpuinfo.cpp
index 0f7fdcc04cea3a2eb21a0ccc1028068fb5e83660..5881ffe48eac15a615b7433c77cebd2a26890f5d 100644
--- a/dnn/test/arm_common/cpuinfo.cpp
+++ b/dnn/test/arm_common/cpuinfo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/cpuinfo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/cpuinfo_help.cpp b/dnn/test/arm_common/cpuinfo_help.cpp
index 85a66ce9e581474105f7701f86568063eb422fb9..7297a93ce28a7a05f6a95515326de4fbb1775610 100644
--- a/dnn/test/arm_common/cpuinfo_help.cpp
+++ b/dnn/test/arm_common/cpuinfo_help.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/cpuinfo_help.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/cpuinfo_help.h b/dnn/test/arm_common/cpuinfo_help.h
index cfcdeddd25e95d599f50071c48a2d351c954f318..99fdfd24366bf27b1ebcb0294ae92d5f6e9644a4 100644
--- a/dnn/test/arm_common/cpuinfo_help.h
+++ b/dnn/test/arm_common/cpuinfo_help.h
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/cpuinfo_help.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/cvt_color.cpp b/dnn/test/arm_common/cvt_color.cpp
index 75d8c5f6439adfbf545796ca53b7c6beccac5713..6fbbf36d67c9222d1640557a7ec13e5cd3deb8ca 100644
--- a/dnn/test/arm_common/cvt_color.cpp
+++ b/dnn/test/arm_common/cvt_color.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/cvt_color.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/elemwise.cpp b/dnn/test/arm_common/elemwise.cpp
index 653d3fe680a448d29b2fa19b533dee41930484dd..efedb76f581ff5730391e05bd4ab5874a7ef6326 100644
--- a/dnn/test/arm_common/elemwise.cpp
+++ b/dnn/test/arm_common/elemwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/elemwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/elemwise_benchmark.cpp b/dnn/test/arm_common/elemwise_benchmark.cpp
index eafb73542ef17e8e0d615d9504ad122aba4a7161..ec16b376ebc1c7e542d6f89286e075258061eb27 100644
--- a/dnn/test/arm_common/elemwise_benchmark.cpp
+++ b/dnn/test/arm_common/elemwise_benchmark.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/elemwise_benchmark.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/elemwise_multi_type.cpp b/dnn/test/arm_common/elemwise_multi_type.cpp
index 0725b0c89836c5dd9ed0b4f111edc1b0765488ed..79f38c2f1e895cc36d9426f013f8627adfbae3cc 100644
--- a/dnn/test/arm_common/elemwise_multi_type.cpp
+++ b/dnn/test/arm_common/elemwise_multi_type.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/elemwise_multi_type.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/fixture.h b/dnn/test/arm_common/fixture.h
index e1cabaf2d9eb0bc73ce7087fd19876ee8f4f6405..00c89910b72427ff8592a5fad009102b3b8bcb07 100644
--- a/dnn/test/arm_common/fixture.h
+++ b/dnn/test/arm_common/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/group_local.cpp b/dnn/test/arm_common/group_local.cpp
index 8361f3fd96f951e96d04303e06452ff53c00260f..9ff2d93106c43a4ec1ebbc54f6eb57b24b8b6fab 100644
--- a/dnn/test/arm_common/group_local.cpp
+++ b/dnn/test/arm_common/group_local.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/group_local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/local.cpp b/dnn/test/arm_common/local.cpp
index 9b22445a195843bd8cc47cdef0e1be994b2a4c79..ca36fceb9f329bf3161e5176d15f9e492f1b7aea 100644
--- a/dnn/test/arm_common/local.cpp
+++ b/dnn/test/arm_common/local.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/matrix_mul.cpp b/dnn/test/arm_common/matrix_mul.cpp
index 67ce2ef6d152b3e2d12a64dd4ae9dbabc84cdfbc..0f15e8f7d13786f055fab4e6aa696c9b3d1d6f08 100644
--- a/dnn/test/arm_common/matrix_mul.cpp
+++ b/dnn/test/arm_common/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/pooling.cpp b/dnn/test/arm_common/pooling.cpp
index e1210eeaa3363edae6ecd5efed208e4a104ddfaf..430264f09cc11202007845fe24205a995601748f 100644
--- a/dnn/test/arm_common/pooling.cpp
+++ b/dnn/test/arm_common/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/pooling_multi_thread.cpp b/dnn/test/arm_common/pooling_multi_thread.cpp
index 5472e9cb8a82c846e360d565e30bcfa5bb50b9c9..2532a80e8c286a373dca23e58102cb1023f4b68a 100644
--- a/dnn/test/arm_common/pooling_multi_thread.cpp
+++ b/dnn/test/arm_common/pooling_multi_thread.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/pooling_multi_thread.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/reduce.cpp b/dnn/test/arm_common/reduce.cpp
index 291827396854ea66be80235455d81c1f511f2c46..30ec16f8b47f6ec358d67d04615bc2cbdb819ab3 100644
--- a/dnn/test/arm_common/reduce.cpp
+++ b/dnn/test/arm_common/reduce.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/reduce.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/resize.cpp b/dnn/test/arm_common/resize.cpp
index 6e5c5fd3b857d7d6a9029effe40759d7a25816cb..360bc8494f998868963d385fad050db50ef77803 100644
--- a/dnn/test/arm_common/resize.cpp
+++ b/dnn/test/arm_common/resize.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/resize.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/separable_filter.cpp b/dnn/test/arm_common/separable_filter.cpp
index 9d3642384f0652a1a2e936695609c85d73a28368..a298e17c4c947ddcc1758081d622821894d91523 100644
--- a/dnn/test/arm_common/separable_filter.cpp
+++ b/dnn/test/arm_common/separable_filter.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/separable_filter.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/type_cvt.cpp b/dnn/test/arm_common/type_cvt.cpp
index 36195f5bcffadf5124c5c58ba5c781e139b22951..dbc7a3719ea83c15604610ac799c2d00312f3cbb 100644
--- a/dnn/test/arm_common/type_cvt.cpp
+++ b/dnn/test/arm_common/type_cvt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/type_cvt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/warp_affine.cpp b/dnn/test/arm_common/warp_affine.cpp
index 8e11fb05a21b91a5c576e4cbba6b4e3f01554e6e..5721aa889081873c3dddaf554d836ecec54a0ea5 100644
--- a/dnn/test/arm_common/warp_affine.cpp
+++ b/dnn/test/arm_common/warp_affine.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/warp_affine.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/arm_common/warp_perspective.cpp b/dnn/test/arm_common/warp_perspective.cpp
index 83c2c38af06dcca1cb8e377974d8b2a2a045fa7a..316878c83ac66002e89d63f3a2b493720cd92e55 100644
--- a/dnn/test/arm_common/warp_perspective.cpp
+++ b/dnn/test/arm_common/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/arm_common/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/armv7/conv_bias.cpp b/dnn/test/armv7/conv_bias.cpp
index 18a471e7548a8647de7d985a24edf304c42fd298..e42abd364789731c21924745af9d3c3a564c4340 100644
--- a/dnn/test/armv7/conv_bias.cpp
+++ b/dnn/test/armv7/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/armv7/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/armv7/convolution.cpp b/dnn/test/armv7/convolution.cpp
index 8018ead2fd32c2ffaffd8c44996f77de72eba1e6..48ff67cf21f95fee75c58c8f5b950a43b424d53a 100644
--- a/dnn/test/armv7/convolution.cpp
+++ b/dnn/test/armv7/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/armv7/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/armv7/fixture.h b/dnn/test/armv7/fixture.h
index 5830f9a9e5e2ebec07297defdb9ab99db018fe9b..9b4ed5190560bacacd10ec52b5f7cc169827cfa4 100644
--- a/dnn/test/armv7/fixture.h
+++ b/dnn/test/armv7/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/armv7/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/armv7/matrix_mul.cpp b/dnn/test/armv7/matrix_mul.cpp
index 2e7baa28a43c6772c6fb0d763befbf2dd9c52739..97a37fa88750139bf3a54cbcb5a6975d44234af7 100644
--- a/dnn/test/armv7/matrix_mul.cpp
+++ b/dnn/test/armv7/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/armv7/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/armv7/pooling.cpp b/dnn/test/armv7/pooling.cpp
index 1b4c051db1371b86863eb4c829e204202b3ce0f7..c294e11b6c8843ede4c8e385b9ed9395c1ad131a 100644
--- a/dnn/test/armv7/pooling.cpp
+++ b/dnn/test/armv7/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/armv7/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/armv7/rotate.cpp b/dnn/test/armv7/rotate.cpp
index af8ef08114e69f5a3c164ea7651da25c0ddab8ed..233190624801fe80348a7f738b962311a8164f4f 100644
--- a/dnn/test/armv7/rotate.cpp
+++ b/dnn/test/armv7/rotate.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/armv7/rotate.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/atlas/checksum.cpp b/dnn/test/atlas/checksum.cpp
index 455328ea0f5709d15be9b5b88963ca93914aa7e4..2c0767994443ec962b247ebdc987522634c3076e 100644
--- a/dnn/test/atlas/checksum.cpp
+++ b/dnn/test/atlas/checksum.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/atlas/checksum.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/atlas/fixture.cpp b/dnn/test/atlas/fixture.cpp
index 9d1caa56b3b344a5aaf17a857ea6b45d968ba7fd..630b85163acb69aa35937aa7b2ec77fda7a1bf34 100644
--- a/dnn/test/atlas/fixture.cpp
+++ b/dnn/test/atlas/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/atlas/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/atlas/fixture.h b/dnn/test/atlas/fixture.h
index f72746c44a26d5c629e76166852f3c50c70dbf02..2cc6fea7b16396e2811c8f13aa961f431bc2431f 100644
--- a/dnn/test/atlas/fixture.h
+++ b/dnn/test/atlas/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/atlas/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cambricon/checksum.cpp b/dnn/test/cambricon/checksum.cpp
index c66118cdde6f671681d57bcdd7e8cbeec2ad0cc5..618966520c5eeb0e51a18e999d5f1396e11f8649 100644
--- a/dnn/test/cambricon/checksum.cpp
+++ b/dnn/test/cambricon/checksum.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cambricon/checksum.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cambricon/fixture.cpp b/dnn/test/cambricon/fixture.cpp
index 3993f3f144984db2f95b230ef521876b8e40b33b..515c081a532279ccc2eb927c6958746dfa69e450 100644
--- a/dnn/test/cambricon/fixture.cpp
+++ b/dnn/test/cambricon/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cambricon/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cambricon/fixture.h b/dnn/test/cambricon/fixture.h
index fd1954d0d8e7c1d5ea88edd171511098fc347a2d..2f7b110713d2beb4ddd35487a5c9e60719957eb4 100644
--- a/dnn/test/cambricon/fixture.h
+++ b/dnn/test/cambricon/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/cambricon/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/adaptive_pooling.h b/dnn/test/common/adaptive_pooling.h
index 7e44951335ed4b514cc862c34bd206d60447d0ff..98f64f7524f3aadc6ebbd87521816fa464665695 100644
--- a/dnn/test/common/adaptive_pooling.h
+++ b/dnn/test/common/adaptive_pooling.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/adaptive_pooling.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/benchmark_basic_types.cpp b/dnn/test/common/benchmark_basic_types.cpp
index 328dca8561753d9ad9d0106b9c51e71badc7f676..e5ff99cd91a2976b69c4dc640c53dd928f627024 100644
--- a/dnn/test/common/benchmark_basic_types.cpp
+++ b/dnn/test/common/benchmark_basic_types.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/benchmark_basic_types.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/benchmarker.h b/dnn/test/common/benchmarker.h
index 5190399411e717aa42a70767851fb719faaddbcb..ecfb150d359437ad8ab47d4a4e756e9c69cfc572 100644
--- a/dnn/test/common/benchmarker.h
+++ b/dnn/test/common/benchmarker.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/benchmarker.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/bn.h b/dnn/test/common/bn.h
index abc6fc53053516d97a2eac0bb70664ba73982551..5c67ccc24729b5071124e425dfa9716fc1976bd6 100644
--- a/dnn/test/common/bn.h
+++ b/dnn/test/common/bn.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/bn.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/checker.cpp b/dnn/test/common/checker.cpp
index 0cb45c6b7424c0bbcc101640e5b456a7d296c010..5462d348fa3f42a8bdfcce562c183b014fc92b20 100644
--- a/dnn/test/common/checker.cpp
+++ b/dnn/test/common/checker.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/checker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/checker.h b/dnn/test/common/checker.h
index a16e89fbfb342a401babe559ea59724fc337dc36..aa76336e62ec4a6e15df62f76c0461458545b6e4 100644
--- a/dnn/test/common/checker.h
+++ b/dnn/test/common/checker.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/checker.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/comparator.h b/dnn/test/common/comparator.h
index 03c021db0a76eb74bc16cbd86322e61442251ffe..f53a449d2ffbe1bb2fd82e4fc23df42d61598c39 100644
--- a/dnn/test/common/comparator.h
+++ b/dnn/test/common/comparator.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/comparator.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/comparator.inl b/dnn/test/common/comparator.inl
index a83bff994bbbd3678a04e95d36a1c2c18a442d4b..7a6f8377c7ff21ac4ced52fc1a9d0514ac90f5e0 100644
--- a/dnn/test/common/comparator.inl
+++ b/dnn/test/common/comparator.inl
@@ -2,7 +2,7 @@
  * \file dnn/test/common/comparator.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/cond_take.cpp b/dnn/test/common/cond_take.cpp
index 37c3b216b6f9350fa607abc7228944f223ffcbe2..0a0a033b95ef5ef9b5f6137d92134f6dfc294f5a 100644
--- a/dnn/test/common/cond_take.cpp
+++ b/dnn/test/common/cond_take.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/cond_take.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/cond_take.h b/dnn/test/common/cond_take.h
index b5c758e45f12808cc25e7a6a8627d2fa8c8d6fce..f3e85ffdd19557a8e0f3e3bfbcae202368a17369 100644
--- a/dnn/test/common/cond_take.h
+++ b/dnn/test/common/cond_take.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/cond_take.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/conv_bias.cpp b/dnn/test/common/conv_bias.cpp
index 3d00d40e95f80ba361f40620ee1ddb80f1c534c6..c92e89c5a9f4f992de0aedb42cd1f72ceb39b467 100644
--- a/dnn/test/common/conv_bias.cpp
+++ b/dnn/test/common/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/conv_bias.h b/dnn/test/common/conv_bias.h
index 4d5a1cc3ce3665d63433c3a6befb82c676eafdaa..b2b12d7337b741d698dfde30094091595a64a8d4 100644
--- a/dnn/test/common/conv_bias.h
+++ b/dnn/test/common/conv_bias.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/conv_bias.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/conv_pooling.cpp b/dnn/test/common/conv_pooling.cpp
index 1409264fc27a7a30ee8b1d88728f553f8a6fee9f..9b6fa9b5acef01a69aa5b4cf9032eb4175c2680f 100644
--- a/dnn/test/common/conv_pooling.cpp
+++ b/dnn/test/common/conv_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/conv_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/conv_pooling.h b/dnn/test/common/conv_pooling.h
index e7030febdaa9d61e746431a1ef6d10aa5cd9c9a7..897fc11d13168a4a0cb0c84dab75af2ee1b64d91 100644
--- a/dnn/test/common/conv_pooling.h
+++ b/dnn/test/common/conv_pooling.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/conv_pooling.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/convolution.cpp b/dnn/test/common/convolution.cpp
index 416e2f0fd86a53e52edbb8daa1df94da8dc6bda7..00166a9246377222193f18fd8dc5101515722c57 100644
--- a/dnn/test/common/convolution.cpp
+++ b/dnn/test/common/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/convolution.h b/dnn/test/common/convolution.h
index a971ab1d1fcc92e332259856eab4614c7e84b22f..2d9a338d69af5ed5a1253d50951f33f04a2805d3 100644
--- a/dnn/test/common/convolution.h
+++ b/dnn/test/common/convolution.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/convolution.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/convolution3d.cpp b/dnn/test/common/convolution3d.cpp
index c7f7289d05589ff0b3aee73c0683317df706c8d0..bf533debaba781ce8461687e56a2586c6b6bb393 100644
--- a/dnn/test/common/convolution3d.cpp
+++ b/dnn/test/common/convolution3d.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/convolution3d.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/convolution3d.h b/dnn/test/common/convolution3d.h
index 0bac412f897286c2399f50e26063a48579a1ce5c..d1b613695ff5e6ccad433e8c4b24780bf2830fe3 100644
--- a/dnn/test/common/convolution3d.h
+++ b/dnn/test/common/convolution3d.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/convolution3d.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/cvt_color.h b/dnn/test/common/cvt_color.h
index 7f9dd90717b84ee25a2e3dde56c76e32d4304db1..70b4134209c0d6536d22184d21c99089ec96213b 100644
--- a/dnn/test/common/cvt_color.h
+++ b/dnn/test/common/cvt_color.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/cvt_color.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/dct_ref.cpp b/dnn/test/common/dct_ref.cpp
index 7923915f498928cf35e8d033415b31083ec24e57..1807d9283f10e90bad974bb3d5227f67c570adc9 100644
--- a/dnn/test/common/dct_ref.cpp
+++ b/dnn/test/common/dct_ref.cpp
@@ -3,7 +3,7 @@
  * dnn/test/common/dct_ref.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/dct_ref.h b/dnn/test/common/dct_ref.h
index 8045c43e9652e20fee7c4b58cb521f4d89590a2f..da45a0a195529dc6b041fb03b530fd7def734494 100644
--- a/dnn/test/common/dct_ref.h
+++ b/dnn/test/common/dct_ref.h
@@ -3,7 +3,7 @@
  * dnn/test/common/dct_ref.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/deduce_layout_proxy.h b/dnn/test/common/deduce_layout_proxy.h
index d0d78d6782934e4bc4ba8862a7cc4d729bb54bb8..39b453f4473845188e986b75d9a59f09da10f459 100644
--- a/dnn/test/common/deduce_layout_proxy.h
+++ b/dnn/test/common/deduce_layout_proxy.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/deduce_layout_proxy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/dtype.cpp b/dnn/test/common/dtype.cpp
index cc6ab29633a9fabf3f18ec9919893aa98ea51da5..3ec2446537e99bfafe27b669eafaed7fe21aa9a6 100644
--- a/dnn/test/common/dtype.cpp
+++ b/dnn/test/common/dtype.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/dtype.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/elemwise.cpp b/dnn/test/common/elemwise.cpp
index 523ff20645cc2f101acf00bbba7e65ed8a08537d..930ddfb22bbe6f92d5398a139232aa1481182823 100644
--- a/dnn/test/common/elemwise.cpp
+++ b/dnn/test/common/elemwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/elemwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/elemwise.h b/dnn/test/common/elemwise.h
index c3bd9a1404f76cdee03c580de1cf99b5542a3271..6bf66c45595112453f3297c9bcae373f7a1dd63f 100644
--- a/dnn/test/common/elemwise.h
+++ b/dnn/test/common/elemwise.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/elemwise.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/elemwise_multi_type.cpp b/dnn/test/common/elemwise_multi_type.cpp
index 494029c0a7664ed0292f0e14d82afc4b75609c43..6b030c0177fddf15a9f3d92ecac5dc8061b4a6d5 100644
--- a/dnn/test/common/elemwise_multi_type.cpp
+++ b/dnn/test/common/elemwise_multi_type.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/elemwise_multi_type.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/elemwise_multi_type.h b/dnn/test/common/elemwise_multi_type.h
index bdfed90eb157ac6ef88aaaf2274e8640ecd488a1..967a325d8f48e2282b7acb72aaa3080719180cc3 100644
--- a/dnn/test/common/elemwise_multi_type.h
+++ b/dnn/test/common/elemwise_multi_type.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/elemwise_multi_type.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/exec_proxy.h b/dnn/test/common/exec_proxy.h
index 76e50d5d9698f2e65166bdcf3736e9e60a6ed7d3..69ae544c8239fe52e2dc4ff58c15a5e5bf170fc2 100644
--- a/dnn/test/common/exec_proxy.h
+++ b/dnn/test/common/exec_proxy.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/exec_proxy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/extra_impl_helper.cpp b/dnn/test/common/extra_impl_helper.cpp
index aa3d5486b6ffbc8c65840533052a451d63e93e7d..851f954c3f426e86e465edb5657e37323dc60432 100644
--- a/dnn/test/common/extra_impl_helper.cpp
+++ b/dnn/test/common/extra_impl_helper.cpp
@@ -2,7 +2,7 @@
  * \file test/common/extra_impl_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/extra_impl_helper.h b/dnn/test/common/extra_impl_helper.h
index 631483c5d13ba9616e973d5ac055425b026cc036..43311eff0b72b71926b407b803e4440f7d798ba3 100644
--- a/dnn/test/common/extra_impl_helper.h
+++ b/dnn/test/common/extra_impl_helper.h
@@ -2,7 +2,7 @@
  * \file test/common/extra_impl_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/fake_quant.h b/dnn/test/common/fake_quant.h
index f4657fd46112adb2b076a88676fe2fe044904c0e..eabdd5602199d9a74b018bee7cf2beb06ba11d89 100644
--- a/dnn/test/common/fake_quant.h
+++ b/dnn/test/common/fake_quant.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/fake_quant.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/fix_gtest_on_platforms_without_exception.inl b/dnn/test/common/fix_gtest_on_platforms_without_exception.inl
index bfa3418754dbc5b8ddc91d610f25fb43a0725064..b18cceb4f5dba183416559ce88416bc3e0cbc559 100644
--- a/dnn/test/common/fix_gtest_on_platforms_without_exception.inl
+++ b/dnn/test/common/fix_gtest_on_platforms_without_exception.inl
@@ -2,7 +2,7 @@
  * \file dnn/test/common/fix_gtest_on_platforms_without_exception.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/flip.h b/dnn/test/common/flip.h
index 20a3396a54a36a955a3acf79733adf1b6be39df5..234623c83e31dc08939866846f1c9a338f2c3834 100644
--- a/dnn/test/common/flip.h
+++ b/dnn/test/common/flip.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/flip.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/gaussian_blur.h b/dnn/test/common/gaussian_blur.h
index 88b0ba13bf13234d0d0bc982c5ebffddcbe223e1..dd420bb98bd3b1886baf2b1e6e72afb6b266e2b1 100644
--- a/dnn/test/common/gaussian_blur.h
+++ b/dnn/test/common/gaussian_blur.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/gaussian_blur.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/get_dtype_from_static_type.h b/dnn/test/common/get_dtype_from_static_type.h
index debdc14eec806a44bdc534951d474712e1b568c2..52a64ad87c28491989b8e8fa3170ea7606c5dde6 100644
--- a/dnn/test/common/get_dtype_from_static_type.h
+++ b/dnn/test/common/get_dtype_from_static_type.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/get_dtype_from_static_type.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/group_local.h b/dnn/test/common/group_local.h
index efc263ef74abf54b7b59f9c6dca23532d4d00151..3ce0011fbbcc07779edfba91e5c558347e3f25e1 100644
--- a/dnn/test/common/group_local.h
+++ b/dnn/test/common/group_local.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/group_local.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/images2neibs.h b/dnn/test/common/images2neibs.h
index 851b4282fba9c520dfe23281ea7cc624cf0b3264..026016512a8d7b7bbb0a2c48ca0bf99e19e38756 100644
--- a/dnn/test/common/images2neibs.h
+++ b/dnn/test/common/images2neibs.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/images2neibs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/index.cpp b/dnn/test/common/index.cpp
index 0ca3a385ce973a029578f6f815e04f2cf9fd4e24..c77798b69d012128a7be63ae13766715986ca2a7 100644
--- a/dnn/test/common/index.cpp
+++ b/dnn/test/common/index.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/index.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/index.h b/dnn/test/common/index.h
index c40bb70d911bd109097901fe319f69f0d5b2a49e..2cfc8646ed3fbe08bf644c671ad32d920bfd525b 100644
--- a/dnn/test/common/index.h
+++ b/dnn/test/common/index.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/index.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/indexing_multi_axis_vec.h b/dnn/test/common/indexing_multi_axis_vec.h
index 4781becd0da619cc02ba88769b557598efda8088..8da5529df487558c15c3408e9f4057293a226902 100644
--- a/dnn/test/common/indexing_multi_axis_vec.h
+++ b/dnn/test/common/indexing_multi_axis_vec.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/indexing_multi_axis_vec.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/indexing_one_hot.cpp b/dnn/test/common/indexing_one_hot.cpp
index f134b9fe0c8e34e0a163f6e42f215b89566ec4b1..734f279d82bb47f8aa5e8ea559375ed3f7be8561 100644
--- a/dnn/test/common/indexing_one_hot.cpp
+++ b/dnn/test/common/indexing_one_hot.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/indexing_one_hot.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/indexing_one_hot.h b/dnn/test/common/indexing_one_hot.h
index 229042e339031f17a905616c265e2fde993620f8..ac8aef2c5995035715c8170af2657d12f7d653fc 100644
--- a/dnn/test/common/indexing_one_hot.h
+++ b/dnn/test/common/indexing_one_hot.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/indexing_one_hot.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/inspect_type.h b/dnn/test/common/inspect_type.h
index 773d45a241a251a73845362d925debf65a2bb624..91f981b3fd137c7229a1892cad90d8076112e334 100644
--- a/dnn/test/common/inspect_type.h
+++ b/dnn/test/common/inspect_type.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/inspect_type.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/local.h b/dnn/test/common/local.h
index 23fd3fbc26e5721e39060eb1d432b561269d3401..e2a2b9fb5fc4d24a8b2dfb748367e6dfae78c4fa 100644
--- a/dnn/test/common/local.h
+++ b/dnn/test/common/local.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/local.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/mask_conv.h b/dnn/test/common/mask_conv.h
index 0ab37bd91b7b37b5f204a499bdd7de2af4946832..a34fce290cbded2f783b49ee1495e4b84c46deef 100644
--- a/dnn/test/common/mask_conv.h
+++ b/dnn/test/common/mask_conv.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/mask_conv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/matrix_mul.cpp b/dnn/test/common/matrix_mul.cpp
index 4b42b55113fcb3e0763199b6279918e34d398fe3..7cb553746c22abb3d552b46ef70c979036a58f57 100644
--- a/dnn/test/common/matrix_mul.cpp
+++ b/dnn/test/common/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/matrix_mul.h b/dnn/test/common/matrix_mul.h
index ab7f025ea6fe90a53a8ff9f579aea52c16388722..7853c09e06375aad3da612195f8302ec08b6499d 100644
--- a/dnn/test/common/matrix_mul.h
+++ b/dnn/test/common/matrix_mul.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/matrix_mul.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/megcore/computing.cpp b/dnn/test/common/megcore/computing.cpp
index 4702855fa014169bc953e2947aeff1079a91994a..5a096c7c5c4c8fe60e4d668cdea6086f4b509208 100644
--- a/dnn/test/common/megcore/computing.cpp
+++ b/dnn/test/common/megcore/computing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/megcore/computing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/megcore/device.cpp b/dnn/test/common/megcore/device.cpp
index 8e0acf98839f5296127eb8096782fb51eb9fa5c8..289ebd1dd623b6e0ed7d7944ee8ca5040166cdff 100644
--- a/dnn/test/common/megcore/device.cpp
+++ b/dnn/test/common/megcore/device.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/megcore/device.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/memory_manager.cpp b/dnn/test/common/memory_manager.cpp
index ddfb4b11dddee465c8a44af1cfde09154d372411..70fd9781033fa0d225bbe012c8fd2cd42764109f 100644
--- a/dnn/test/common/memory_manager.cpp
+++ b/dnn/test/common/memory_manager.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/memory_manager.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/memory_manager.h b/dnn/test/common/memory_manager.h
index 752b6dab9a363390f5c5e4bc359e6363f8b9b84c..be90d0aaa4f6713826dba3404429c1f913b64237 100644
--- a/dnn/test/common/memory_manager.h
+++ b/dnn/test/common/memory_manager.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/memory_manager.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/mesh_indexing.h b/dnn/test/common/mesh_indexing.h
index c3db52233fdbe2835481af5dd8fbe195a2501e1b..e615135bdb2b297f28cedfc3e957ca3a8dd24e56 100644
--- a/dnn/test/common/mesh_indexing.h
+++ b/dnn/test/common/mesh_indexing.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/mesh_indexing.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/null_dispatcher.h b/dnn/test/common/null_dispatcher.h
index f87d07d18482888831bd6bad6222795c54c03b8a..f5c0fbf598f2f7804253ceb4b12f1c7587c027a3 100644
--- a/dnn/test/common/null_dispatcher.h
+++ b/dnn/test/common/null_dispatcher.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/null_dispatcher.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/opr_algo_proxy.h b/dnn/test/common/opr_algo_proxy.h
index b2a3d953788a5a6753199d04bed54e0796281cc8..5ad9fbcd7633b7f26766132ecba322ca9b4ab7d3 100644
--- a/dnn/test/common/opr_algo_proxy.h
+++ b/dnn/test/common/opr_algo_proxy.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/opr_algo_proxy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/opr_proxy.h b/dnn/test/common/opr_proxy.h
index a3ef862ebb3482a67e6b30ef24927a92093ca1e6..ec592986e6d3ae91f761d104594d6806a7942231 100644
--- a/dnn/test/common/opr_proxy.h
+++ b/dnn/test/common/opr_proxy.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/opr_proxy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/opr_trait.h b/dnn/test/common/opr_trait.h
index 93aa547a1aec9b251d704cba04b8bb1bdb41790b..08929d3de86f61cfbce1c1d1879f9697f5ced7ac 100644
--- a/dnn/test/common/opr_trait.h
+++ b/dnn/test/common/opr_trait.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/opr_trait.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/pooling.h b/dnn/test/common/pooling.h
index 8f19f04b70ecc0324bf857d6868f4d7c5d198ea0..f0cabe6ad14c313e4c778981cfc6ed95b4089a86 100644
--- a/dnn/test/common/pooling.h
+++ b/dnn/test/common/pooling.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/pooling.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/powc.cpp b/dnn/test/common/powc.cpp
index 9a652ca241166166a6d7eda12921e079e0d92430..0cc830d4a45f4e620330c828dedae2273ba20bf5 100644
--- a/dnn/test/common/powc.cpp
+++ b/dnn/test/common/powc.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/powc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/powc.h b/dnn/test/common/powc.h
index 80be34f1d84c04172de6b4202c681ca3835f163c..241697f5c3a11af0c5488a89f2c7cbf9d9e05908 100644
--- a/dnn/test/common/powc.h
+++ b/dnn/test/common/powc.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/powc.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/random_state.cpp b/dnn/test/common/random_state.cpp
index 36926761b26500a8d67e719595345c3475ff6d99..7cc0aaf88a23ee0c36601b8f45e0df66a8b6f8cb 100644
--- a/dnn/test/common/random_state.cpp
+++ b/dnn/test/common/random_state.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/random_state.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/random_state.h b/dnn/test/common/random_state.h
index f43db50ccb679701594f99cdba9254afb50b94b1..2dbf26e46f2ac53ba73a40ee9b1bbe5919caa77f 100644
--- a/dnn/test/common/random_state.h
+++ b/dnn/test/common/random_state.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/random_state.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/relayout.cpp b/dnn/test/common/relayout.cpp
index bccb40e233f1bedad3778b5f5a5b3818ca3b8381..352b19720787c3d95129656e5ac66abd4d268448 100644
--- a/dnn/test/common/relayout.cpp
+++ b/dnn/test/common/relayout.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/relayout.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/relayout.h b/dnn/test/common/relayout.h
index 5b4892ccce8124809c02556d4c008e46a583fd8d..da204933b7324ca3316956f431adcff4a91a312e 100644
--- a/dnn/test/common/relayout.h
+++ b/dnn/test/common/relayout.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/relayout.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/remap.h b/dnn/test/common/remap.h
index f2c22fcd37c127cd0766f9ae4048df3be1161c3b..47213be44ac4bf9b174bc967504f534821991303 100644
--- a/dnn/test/common/remap.h
+++ b/dnn/test/common/remap.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/remap.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/resize.h b/dnn/test/common/resize.h
index 988e6facab24ca7aadc3bf162d47adb9dcdf2633..cc538f80ae180c76379d103b885147a90daeebfa 100644
--- a/dnn/test/common/resize.h
+++ b/dnn/test/common/resize.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/resize.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/rng.cpp b/dnn/test/common/rng.cpp
index f3e25f327f240706bfd810cba083daa17b25b343..6e6e9fbf282409852ab115534d0e2a7e8c66fbba 100644
--- a/dnn/test/common/rng.cpp
+++ b/dnn/test/common/rng.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/rng.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/rng.h b/dnn/test/common/rng.h
index f20c0e5f4604bd4ac0f4ec2d4b9009c6061e962d..324a0518cf8c495438b729d144da4b28a9846649 100644
--- a/dnn/test/common/rng.h
+++ b/dnn/test/common/rng.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/rng.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/roi_copy.h b/dnn/test/common/roi_copy.h
index 35bfd7763a835a138e33bb856ff5465fb0556792..b3f5ad1a58ecffd416d8d5e110b0457481658384 100644
--- a/dnn/test/common/roi_copy.h
+++ b/dnn/test/common/roi_copy.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/roi_copy.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/roi_pooling.h b/dnn/test/common/roi_pooling.h
index b50264cc8766c83d8e67443ca0619f5c7e39acdb..9a3c5b4863a019a0860f696de4e9f96921715d7f 100644
--- a/dnn/test/common/roi_pooling.h
+++ b/dnn/test/common/roi_pooling.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/roi_pooling.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/rotate.h b/dnn/test/common/rotate.h
index 1743952b348ee38a3397c661c9c937de19cd6d14..928d07eb621854af7da1ee27b12c454ea4746824 100644
--- a/dnn/test/common/rotate.h
+++ b/dnn/test/common/rotate.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/rotate.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/separable.cpp b/dnn/test/common/separable.cpp
index 0b77a5795782e9398c30e9b60173a6b96f40ca64..44ae8d4596e8cf177da21d768f8238e5d459a2f6 100644
--- a/dnn/test/common/separable.cpp
+++ b/dnn/test/common/separable.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/separable.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/separable_conv.h b/dnn/test/common/separable_conv.h
index e19193354dda91025443f5a28f3f7b521ba0239e..a2217097444ba6cc2cc82e1b789bdd3e4d099286 100644
--- a/dnn/test/common/separable_conv.h
+++ b/dnn/test/common/separable_conv.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/separable_conv.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/separable_filter.h b/dnn/test/common/separable_filter.h
index 4409d21c0f3e699c939f84324548200979b7aa1c..7d80ace6a16aae2aedf670bda396b15090d75c29 100644
--- a/dnn/test/common/separable_filter.h
+++ b/dnn/test/common/separable_filter.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/separable_filter.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/small_vector.cpp b/dnn/test/common/small_vector.cpp
index b86db63075172b4345a9d1233820d2e0370f23b8..667d260ea9439cf5a6da9cfff245f151830b307a 100644
--- a/dnn/test/common/small_vector.cpp
+++ b/dnn/test/common/small_vector.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/small_vector.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
@@ -25,7 +25,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  */
 
 #include "megdnn/thin/small_vector.h"
diff --git a/dnn/test/common/svd.cpp b/dnn/test/common/svd.cpp
index 7a2f08ed21c842371c2f57ef3b90b08e3ab65404..5c7d7d74b52a83e4ce916dc31ffd4112bd5416ef 100644
--- a/dnn/test/common/svd.cpp
+++ b/dnn/test/common/svd.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/svd.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/svd.h b/dnn/test/common/svd.h
index 97d3d93ce9afe7720a2437116f2ae915741bd1e5..585c50e68406aa6d6ff7a95eef084908239766d3 100644
--- a/dnn/test/common/svd.h
+++ b/dnn/test/common/svd.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/svd.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/task_executor.cpp b/dnn/test/common/task_executor.cpp
index 00bbbd69516655beac7657bed94d12dc232e9e91..0fac86b57b60bd55f8f13e7f075da37fcfb1b513 100644
--- a/dnn/test/common/task_executor.cpp
+++ b/dnn/test/common/task_executor.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/task_executor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/tensor.cpp b/dnn/test/common/tensor.cpp
index dd43954e2c20136e508540bc1fb6ab4ee55f3a5e..b7ba65e959a6e17e976bfab8508db714d98e2590 100644
--- a/dnn/test/common/tensor.cpp
+++ b/dnn/test/common/tensor.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/tensor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/tensor.h b/dnn/test/common/tensor.h
index cc163083ba8083915b8ea5bdc5f73bd76d07a2d6..c13e92ea44d334fa9f69d86096c2314f2ba83139 100644
--- a/dnn/test/common/tensor.h
+++ b/dnn/test/common/tensor.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/tensor.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/tensor.inl b/dnn/test/common/tensor.inl
index a842f9f59dec0c0bfb49b9af0b1775fd2759b896..debf55e5764b3c033934bf45a269a2d4ac63b053 100644
--- a/dnn/test/common/tensor.inl
+++ b/dnn/test/common/tensor.inl
@@ -2,7 +2,7 @@
  * \file dnn/test/common/tensor.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/tensor_remap.cpp b/dnn/test/common/tensor_remap.cpp
index 17f6ef658b2deabf123b3b99f7ea0cf9eef995e2..532d516aae19ab224a88d6fdf332d11d043d92dc 100644
--- a/dnn/test/common/tensor_remap.cpp
+++ b/dnn/test/common/tensor_remap.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/tensor_remap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/tensor_remap.h b/dnn/test/common/tensor_remap.h
index 173b2106545212a4e9683de8ebb6e18b75780036..f8ea6a0c8822c230b660ceb6997a9b2eab2bd0d5 100644
--- a/dnn/test/common/tensor_remap.h
+++ b/dnn/test/common/tensor_remap.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/tensor_remap.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/test_basic_types.cpp b/dnn/test/common/test_basic_types.cpp
index 31a6c2e28f9ea315189ab23b7ba4c7843a1b42e2..9f4e549e44fa8c081473c2e83eeae2995b2c88f8 100644
--- a/dnn/test/common/test_basic_types.cpp
+++ b/dnn/test/common/test_basic_types.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/test_basic_types.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/tile_repeat.h b/dnn/test/common/tile_repeat.h
index 97f9ed7c486a93c6167b2261aff1766360761adc..b7fffafc4c324ec36ff1b0d89707a49d26508d05 100644
--- a/dnn/test/common/tile_repeat.h
+++ b/dnn/test/common/tile_repeat.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/tile_repeat.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/timer.h b/dnn/test/common/timer.h
index 8edccc5c961b3b633ce9e3273b70d6efc0c4b8ae..0f57e79970c83f37d80432adcb4ee95b38e32345 100644
--- a/dnn/test/common/timer.h
+++ b/dnn/test/common/timer.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/timer.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/topk.cpp b/dnn/test/common/topk.cpp
index 77f3996c1d7a0f02f85bad476a426213d7f68923..e99918308bf03de578fffbb5bdfe4e47affc88d7 100644
--- a/dnn/test/common/topk.cpp
+++ b/dnn/test/common/topk.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/topk.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/topk.h b/dnn/test/common/topk.h
index 435ecd0a6631cbc4baf84669d2eaa2ff4b8fa4db..b13a50b589e1f5bd6355463750a45a6607376743 100644
--- a/dnn/test/common/topk.h
+++ b/dnn/test/common/topk.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/topk.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/tqt.h b/dnn/test/common/tqt.h
index e19b85eb0616fb541c2b44a647b1fdc1c646f676..f6ab9e62e22ff5aab7840d211b2b9302ffae0e63 100644
--- a/dnn/test/common/tqt.h
+++ b/dnn/test/common/tqt.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/tqt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/utils.cpp b/dnn/test/common/utils.cpp
index e559880cbfcbc462b4d0936d0ec1d40054d0cc2f..2126165747816041b701c91731acd773406ad247 100644
--- a/dnn/test/common/utils.cpp
+++ b/dnn/test/common/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/utils.h b/dnn/test/common/utils.h
index 98533271256e336550941c8820bacdab1fae1838..c87573d787b708cedd9ed77808737204d43e4022 100644
--- a/dnn/test/common/utils.h
+++ b/dnn/test/common/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/warp_affine.h b/dnn/test/common/warp_affine.h
index 07cba5a101ca580a7cdf60416c91e838736ac27a..c682a92d9520ee9272954c246701bd72a86aa4d5 100644
--- a/dnn/test/common/warp_affine.h
+++ b/dnn/test/common/warp_affine.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/warp_affine.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/warp_perspective.cpp b/dnn/test/common/warp_perspective.cpp
index a8c6ec05258394e24843e1ad7f01228401a16d0f..5ff230adf604f96b905dc2f80becd52fa1b5cb67 100644
--- a/dnn/test/common/warp_perspective.cpp
+++ b/dnn/test/common/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/warp_perspective.h b/dnn/test/common/warp_perspective.h
index fd1635362d8cb00488a6281e4de54217a823cb12..ba26bcd38a7150c362dcd412cd696e313e62fd8b 100644
--- a/dnn/test/common/warp_perspective.h
+++ b/dnn/test/common/warp_perspective.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/warp_perspective.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/winograd_filter_preprocess.h b/dnn/test/common/winograd_filter_preprocess.h
index 3a4def202ead7aec520bd892038197c14c3a4723..0c6716bc62ddf5e72ea2fd82c58e73267f33b706 100644
--- a/dnn/test/common/winograd_filter_preprocess.h
+++ b/dnn/test/common/winograd_filter_preprocess.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/winograd_filter_preprocess.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/workspace_wrapper.cpp b/dnn/test/common/workspace_wrapper.cpp
index 0506d1d66621e2d89ce966a092da599813e0dc06..f3395ab6b5972d500912ac00808fd4103cdbb433 100644
--- a/dnn/test/common/workspace_wrapper.cpp
+++ b/dnn/test/common/workspace_wrapper.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/common/workspace_wrapper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/common/workspace_wrapper.h b/dnn/test/common/workspace_wrapper.h
index 261cce4c07e768801dcdc7751ddbcc46d892d112..89412477e3fe69f92f109be0c34d3a4d0ee0c8b8 100644
--- a/dnn/test/common/workspace_wrapper.h
+++ b/dnn/test/common/workspace_wrapper.h
@@ -2,7 +2,7 @@
  * \file dnn/test/common/workspace_wrapper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/batched_matrix_mul.cpp b/dnn/test/cpu/batched_matrix_mul.cpp
index 063f0b44fd45342c615bb345b42960572b10d541..8c2137e6a0c77792e6fed448b890ae1fa1e7ec76 100644
--- a/dnn/test/cpu/batched_matrix_mul.cpp
+++ b/dnn/test/cpu/batched_matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/batched_matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/convolution.cpp b/dnn/test/cpu/convolution.cpp
index b7226fd5bdebbb293faed3cc87f474a873a3c307..99660549e251679eb3e038903663451ddc6e444a 100644
--- a/dnn/test/cpu/convolution.cpp
+++ b/dnn/test/cpu/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/fixture.cpp b/dnn/test/cpu/fixture.cpp
index 3090ee5cee5514a04640f693b39f274741d1ebaf..c8b34054d945f3b1dad06aea9f9647c19ed33915 100644
--- a/dnn/test/cpu/fixture.cpp
+++ b/dnn/test/cpu/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/fixture.h b/dnn/test/cpu/fixture.h
index 9a21a070ac715f10eff75720915ad5da54eea114..a1c62cc5a575725b03a88b09edabb21872b04266 100644
--- a/dnn/test/cpu/fixture.h
+++ b/dnn/test/cpu/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/group_local.cpp b/dnn/test/cpu/group_local.cpp
index 51de810cfba1d2d458235c445f53938a4545c0da..db8f7b72fcb95906eac971c03c28a7c3b4f7eb79 100644
--- a/dnn/test/cpu/group_local.cpp
+++ b/dnn/test/cpu/group_local.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/group_local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/local.cpp b/dnn/test/cpu/local.cpp
index 3d792f95ab7767dcea7bb87f2812fe81e959279a..3623754a7b1ed43217c335806d07c4c393092c16 100644
--- a/dnn/test/cpu/local.cpp
+++ b/dnn/test/cpu/local.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/mask_conv.cpp b/dnn/test/cpu/mask_conv.cpp
index c215d5151f850f5343624578bd13255d4bab5821..0c61879d5a34e16c0f0c3556b121c4f5162198ef 100644
--- a/dnn/test/cpu/mask_conv.cpp
+++ b/dnn/test/cpu/mask_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/mask_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/matrix_mul.cpp b/dnn/test/cpu/matrix_mul.cpp
index cdec90920a838c73b73e3b970b867714f6e4036b..f64668668ce9889d8024138733bb8a025bba250c 100644
--- a/dnn/test/cpu/matrix_mul.cpp
+++ b/dnn/test/cpu/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/matrix_mul_int_8x8x16.cpp b/dnn/test/cpu/matrix_mul_int_8x8x16.cpp
index d0aaffc499f5cdfc7a4e8ef81dbd13799a37ec82..d72e6adbc24442c52f2c961a357f93fef8ae143c 100644
--- a/dnn/test/cpu/matrix_mul_int_8x8x16.cpp
+++ b/dnn/test/cpu/matrix_mul_int_8x8x16.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/matrix_mul_int_8x8x16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/matrix_mul_int_8x8x32.cpp b/dnn/test/cpu/matrix_mul_int_8x8x32.cpp
index 4fcb83054004c3882f2b049993c2072a763f14a8..b1188dfe76609bc1b06d74315a086895850b1820 100644
--- a/dnn/test/cpu/matrix_mul_int_8x8x32.cpp
+++ b/dnn/test/cpu/matrix_mul_int_8x8x32.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/matrix_mul_int_8x8x32.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/pooling.cpp b/dnn/test/cpu/pooling.cpp
index 75ebf962f09995ab89403a02b1a6e926688c8212..7079cc8e777008b4c7f66b1dc4b25820f4004bb8 100644
--- a/dnn/test/cpu/pooling.cpp
+++ b/dnn/test/cpu/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/relayout.cpp b/dnn/test/cpu/relayout.cpp
index 05087428a39cda280dc8f1bc77832bbc36c98b7c..f4d203bfa126b28c61af6ab112971a8eabec387f 100644
--- a/dnn/test/cpu/relayout.cpp
+++ b/dnn/test/cpu/relayout.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/relayout.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/resize.cpp b/dnn/test/cpu/resize.cpp
index 17ffdb798337a42ef6a72eaf161deb146c604563..585e82431617e6e3246558da09a44e8a73d01f69 100644
--- a/dnn/test/cpu/resize.cpp
+++ b/dnn/test/cpu/resize.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/resize.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/task_executor.cpp b/dnn/test/cpu/task_executor.cpp
index 17be97f45047196854a4bf2912c6ae757d075215..f80a76c0539d932ea49ce54b2e9949de45c08474 100644
--- a/dnn/test/cpu/task_executor.cpp
+++ b/dnn/test/cpu/task_executor.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/task_executor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/type_cvt.cpp b/dnn/test/cpu/type_cvt.cpp
index 80b686a37c72db2b6b622a53f0e5d4fd65ffc4c6..d9f294a2ef4e44a23ae1d789ba661cbdd2a4e077 100644
--- a/dnn/test/cpu/type_cvt.cpp
+++ b/dnn/test/cpu/type_cvt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/type_cvt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/warp_affine.cpp b/dnn/test/cpu/warp_affine.cpp
index da4b33166a48e09604157a76b01081634a6926e1..1ef9a5d846467ab79ec7365a0c772a8d3628c44c 100644
--- a/dnn/test/cpu/warp_affine.cpp
+++ b/dnn/test/cpu/warp_affine.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/warp_affine.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cpu/warp_perspective.cpp b/dnn/test/cpu/warp_perspective.cpp
index b618122df95ddfe4c49b70ff26ff740ac74a69ce..8b4762894d6bfe7d8a6c0b3a3d839b4cdafc09b7 100644
--- a/dnn/test/cpu/warp_perspective.cpp
+++ b/dnn/test/cpu/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cpu/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/adaptive_pooling.cpp b/dnn/test/cuda/adaptive_pooling.cpp
index 14d444c5866b33a0e78c222356dddd28bae1416b..124a07e8c668b159c0f2620d302a24c091e8d2b8 100644
--- a/dnn/test/cuda/adaptive_pooling.cpp
+++ b/dnn/test/cuda/adaptive_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/adaptive_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/add_update.cpp b/dnn/test/cuda/add_update.cpp
index 328a2cce1c638d8745b638421300c98d730a0d20..f0adac45e6fed439303fb75eda6074ddb362c15f 100644
--- a/dnn/test/cuda/add_update.cpp
+++ b/dnn/test/cuda/add_update.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/add_update.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/argmxx.cpp b/dnn/test/cuda/argmxx.cpp
index 89e6cadb81a5621136ec9f8fc511313b7918b552..d94f30f1a7c23f16e83e57f5ab408c27a96f8d16 100644
--- a/dnn/test/cuda/argmxx.cpp
+++ b/dnn/test/cuda/argmxx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/argmxx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/argsort.cpp b/dnn/test/cuda/argsort.cpp
index b8779f72f4a125f1568320d9bc3377a7c266b654..fc5a97f1fa9c0b80e2627e545974d290f8b0f035 100644
--- a/dnn/test/cuda/argsort.cpp
+++ b/dnn/test/cuda/argsort.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/argsort.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/batch_conv_bias.cpp b/dnn/test/cuda/batch_conv_bias.cpp
index 66e34f8c8f713ffabf72be2e909e266d9fc6b10c..dff1b2206d846840e4c84f7eb24c04b54d0011d9 100644
--- a/dnn/test/cuda/batch_conv_bias.cpp
+++ b/dnn/test/cuda/batch_conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/batch_conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/batched_matrix_mul.cpp b/dnn/test/cuda/batched_matrix_mul.cpp
index 30263e0acc5587ec92288d137dea2b5836eebcbb..9b84595069e020eaa1e8da3e1abfeb80e943aca6 100644
--- a/dnn/test/cuda/batched_matrix_mul.cpp
+++ b/dnn/test/cuda/batched_matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/batched_matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/benchmark.cpp b/dnn/test/cuda/benchmark.cpp
index 6ba3687b98f1b956a58e8eefefed819ab9455489..f54d804fb51ef35afd953144fd71b0db6d0428a2 100644
--- a/dnn/test/cuda/benchmark.cpp
+++ b/dnn/test/cuda/benchmark.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/benchmark.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/benchmark.h b/dnn/test/cuda/benchmark.h
index b94d178143b8c788be4df9a1cafc2e7563e24159..4a929fd070dd61f578d745db63b96e8fef7bdba8 100644
--- a/dnn/test/cuda/benchmark.h
+++ b/dnn/test/cuda/benchmark.h
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/benchmark.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/bn.cpp b/dnn/test/cuda/bn.cpp
index 4056162b669543fe4bdabf517959e5d51cdbeabb..d5202ef8b51487d220c41c50eee08fc7d34aed2e 100644
--- a/dnn/test/cuda/bn.cpp
+++ b/dnn/test/cuda/bn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/bn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/chanwise_convolution.cpp b/dnn/test/cuda/chanwise_convolution.cpp
index 14bbbb39012d341147f228d9e45c4f0d7aeaf553..57d20223687c00c137286508d0722d41c68516f6 100644
--- a/dnn/test/cuda/chanwise_convolution.cpp
+++ b/dnn/test/cuda/chanwise_convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/chanwise_convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/chanwise_convolution3d.cpp b/dnn/test/cuda/chanwise_convolution3d.cpp
index 8d258228e7f4a97bf048cae334c755bc9ff1fe80..d2e0d2f88c4cc8e29f788b9caae9e69837545a4f 100644
--- a/dnn/test/cuda/chanwise_convolution3d.cpp
+++ b/dnn/test/cuda/chanwise_convolution3d.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/chanwise_convolution3d.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/checksum.cpp b/dnn/test/cuda/checksum.cpp
index 61336e8ca77725ee230cdf6549c4b308befce5bb..f6ac834f9b63b36fd15737c4e6bd6404486d044a 100644
--- a/dnn/test/cuda/checksum.cpp
+++ b/dnn/test/cuda/checksum.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/checksum.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/concat.cpp b/dnn/test/cuda/concat.cpp
index 2b32a51d6fb7ca7951ec93bd082284b111e2b121..63106ff2a72b0a9a0f65c62b80d14a904cda4ea8 100644
--- a/dnn/test/cuda/concat.cpp
+++ b/dnn/test/cuda/concat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/concat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/cond_take.cpp b/dnn/test/cuda/cond_take.cpp
index 894a2f3ab11ab248c5764e55df0643fe28d3fe1d..658fd1f69edd2d62b4434a350de8b2ee1814d4bc 100644
--- a/dnn/test/cuda/cond_take.cpp
+++ b/dnn/test/cuda/cond_take.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/cond_take.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/conv_bias.cpp b/dnn/test/cuda/conv_bias.cpp
index 8199ae0a69d3c23801bec1b40dc8678d0f0c3437..8f1e665b9b992e75f6ed511c100b1e496d93b050 100644
--- a/dnn/test/cuda/conv_bias.cpp
+++ b/dnn/test/cuda/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/conv_bias_int8.cpp b/dnn/test/cuda/conv_bias_int8.cpp
index 01a3b8d31bfe352e37d42f2b9dc832618fad0896..631dafb2b6ed50f295657dc002a89293ba73af32 100644
--- a/dnn/test/cuda/conv_bias_int8.cpp
+++ b/dnn/test/cuda/conv_bias_int8.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/conv_bias_int8.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/conv_pooling.cpp b/dnn/test/cuda/conv_pooling.cpp
index 3b688f2c52e5e6853ea6958727dd7578897d1ba0..7a6efc0fe7c0b9dfd5d1cf93f87963446469faaf 100644
--- a/dnn/test/cuda/conv_pooling.cpp
+++ b/dnn/test/cuda/conv_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/conv_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/convolution.cpp b/dnn/test/cuda/convolution.cpp
index 226809f530d90d4ae1dd358a70fa5b7fc379e38a..2230aa95320ac624c1e6a4dda567a23d525e2fdc 100644
--- a/dnn/test/cuda/convolution.cpp
+++ b/dnn/test/cuda/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/convolution3d.cpp b/dnn/test/cuda/convolution3d.cpp
index 4412dc58b21f1a7b463936c8adec1fcca106eb31..ab21e733a541a72aad04307ccfa376acf1c43047 100644
--- a/dnn/test/cuda/convolution3d.cpp
+++ b/dnn/test/cuda/convolution3d.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/convolution3d.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/cumsum.cpp b/dnn/test/cuda/cumsum.cpp
index 97df1004a57e2ab55671b8a8c6a9f7567b45463d..fe58fb5c61c53126cf58db6690a2844ef2af6a13 100644
--- a/dnn/test/cuda/cumsum.cpp
+++ b/dnn/test/cuda/cumsum.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/cumsum.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/cvt_color.cpp b/dnn/test/cuda/cvt_color.cpp
index 31815ca921c4b624fd5c1a6635d60fb91f80039b..4ae7e02d8f9368309019871b61d867b1679488b5 100644
--- a/dnn/test/cuda/cvt_color.cpp
+++ b/dnn/test/cuda/cvt_color.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/cvt_color.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/dct.cpp b/dnn/test/cuda/dct.cpp
index 0045cb86c3336ea5b52fae7a12554f528bf4f9b4..101e33a036546d6cde70bc99ff778c976f5b802d 100644
--- a/dnn/test/cuda/dct.cpp
+++ b/dnn/test/cuda/dct.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/dct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/deformable_conv.cpp b/dnn/test/cuda/deformable_conv.cpp
index 629c6069c92f17add86bdab2db61239b1b4112da..b00258dc1bb0f584981315da3d3f1d3da729d0cc 100644
--- a/dnn/test/cuda/deformable_conv.cpp
+++ b/dnn/test/cuda/deformable_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/deformable_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/deformable_ps_roi_pooling.cpp b/dnn/test/cuda/deformable_ps_roi_pooling.cpp
index 943c2d048fb67f027034cccd1962f723cb9f629c..d15556525a351028ef14dafe969867ca2da545c5 100644
--- a/dnn/test/cuda/deformable_ps_roi_pooling.cpp
+++ b/dnn/test/cuda/deformable_ps_roi_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/deformable_ps_roi_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/dilated_convolution.cpp b/dnn/test/cuda/dilated_convolution.cpp
index f93ab40a5f6150441d9be3f65e8d3f7074a0152a..505b90defd271cc0425c8e46888412eafc140e4f 100644
--- a/dnn/test/cuda/dilated_convolution.cpp
+++ b/dnn/test/cuda/dilated_convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/dilated_convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/dot.cpp b/dnn/test/cuda/dot.cpp
index a81d79389a22367bf6b191fcc13e66772f3be39b..f79443ad4bdac13bc932cbc08808babe79a6d341 100644
--- a/dnn/test/cuda/dot.cpp
+++ b/dnn/test/cuda/dot.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/dot.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/elemwise.cpp b/dnn/test/cuda/elemwise.cpp
index ad65c1a395dd3b0c26cec2e6d8f61cec17947fff..3bcedb0bc3be7c91fc0109f615c43b7ba9e72213 100644
--- a/dnn/test/cuda/elemwise.cpp
+++ b/dnn/test/cuda/elemwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/elemwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/elemwise_multi_type.cpp b/dnn/test/cuda/elemwise_multi_type.cpp
index d19b9dd097fde95e36652893dfa2de155d0708e4..0bc0fd33b06c9b1d9ea96415c87a6428b5f142b7 100644
--- a/dnn/test/cuda/elemwise_multi_type.cpp
+++ b/dnn/test/cuda/elemwise_multi_type.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/elemwise_multi_type.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/eye.cpp b/dnn/test/cuda/eye.cpp
index ef50848b1e93c8550088276a6a974645b25d6752..870d00ce0de2804493624bf64b5c2d2ba954159e 100644
--- a/dnn/test/cuda/eye.cpp
+++ b/dnn/test/cuda/eye.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/eye.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/fake_quant.cpp b/dnn/test/cuda/fake_quant.cpp
index bb0c554767368c05cc88f1e7f4bb9dbed25d31d0..aa7714d2130edfde3f87483574d15bd4410bd470 100644
--- a/dnn/test/cuda/fake_quant.cpp
+++ b/dnn/test/cuda/fake_quant.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/fake_quant.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/fixture.cpp b/dnn/test/cuda/fixture.cpp
index ccbe19d5b709ed94e33b9b06390f9e3015a41ae0..b686cbc21a181d701d1ee73a66d925da93bb1cbf 100644
--- a/dnn/test/cuda/fixture.cpp
+++ b/dnn/test/cuda/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/fixture.h b/dnn/test/cuda/fixture.h
index 980d5900cf3384e6d9d75cbfd8ffde62c83deff2..e2f99ba620d25b92efb192de2b20b7bb0992a561 100644
--- a/dnn/test/cuda/fixture.h
+++ b/dnn/test/cuda/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/flip.cpp b/dnn/test/cuda/flip.cpp
index 4a3188a999788cceb619d564056734bdd6da1656..ea34e72350b867b57204e997c5607dd9c824eb0a 100644
--- a/dnn/test/cuda/flip.cpp
+++ b/dnn/test/cuda/flip.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/flip.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/gaussian_blur.cpp b/dnn/test/cuda/gaussian_blur.cpp
index e3ce6d3182afc0ab4a53ce0b174204bd373936c4..2f4a35e7d1fc5154893e7bdd8c10d626b25269de 100644
--- a/dnn/test/cuda/gaussian_blur.cpp
+++ b/dnn/test/cuda/gaussian_blur.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/gaussian_blur.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/group_conv.cpp b/dnn/test/cuda/group_conv.cpp
index a4e3c01918d769006b8c072a4b4d3d3cabff1bc6..881530e4208339a881f005a920cfe2405590d972 100644
--- a/dnn/test/cuda/group_conv.cpp
+++ b/dnn/test/cuda/group_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/group_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/group_conv3d.cpp b/dnn/test/cuda/group_conv3d.cpp
index 3127adcc1d19624b691912b838d1dc3b6a851e9f..402d0f61463495afdc94b93ffe225631cfd37477 100644
--- a/dnn/test/cuda/group_conv3d.cpp
+++ b/dnn/test/cuda/group_conv3d.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/group_conv3d.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/group_local.cpp b/dnn/test/cuda/group_local.cpp
index 954072d817c909e9616ab8cfd987790bce1ca807..ef656e53118f5142d9cc9062e6084407345e6bd2 100644
--- a/dnn/test/cuda/group_local.cpp
+++ b/dnn/test/cuda/group_local.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/group_local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/images2neibs.cpp b/dnn/test/cuda/images2neibs.cpp
index 4b5dee68c49ddae074ccf6b524eb582c74138f2e..cb5ee1c53b0c12de5232992353b2858adfe4408e 100644
--- a/dnn/test/cuda/images2neibs.cpp
+++ b/dnn/test/cuda/images2neibs.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/images2neibs.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/indexing_multi_axis_vec.cpp b/dnn/test/cuda/indexing_multi_axis_vec.cpp
index 4d15009267963e01d510d155662be02d3f087279..2d565eb08c808ddbe62bd828c041771a6df5ae63 100644
--- a/dnn/test/cuda/indexing_multi_axis_vec.cpp
+++ b/dnn/test/cuda/indexing_multi_axis_vec.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/indexing_multi_axis_vec.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/indexing_one_hot.cpp b/dnn/test/cuda/indexing_one_hot.cpp
index 99be7368bbb244a6de5a3e327a770271e3c083d6..0931dcd372a0381367acba6c5062d1d93ac765ba 100644
--- a/dnn/test/cuda/indexing_one_hot.cpp
+++ b/dnn/test/cuda/indexing_one_hot.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/indexing_one_hot.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/linspace.cpp b/dnn/test/cuda/linspace.cpp
index 1bff23509588c4b0ad21ad9b230d075b4bbc3311..2efe35af88cf4d8d13f17cea829932aba60e691b 100644
--- a/dnn/test/cuda/linspace.cpp
+++ b/dnn/test/cuda/linspace.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/linspace.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/local.cpp b/dnn/test/cuda/local.cpp
index 00f5086ea3b91e46e3dccfd1b559ba2644e79028..0698b3e9aec5427e5d6939c5dc45644eb1d1d744 100644
--- a/dnn/test/cuda/local.cpp
+++ b/dnn/test/cuda/local.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/local/local.cu b/dnn/test/cuda/local/local.cu
index 90b86f2bd01517473aa1e796851b6587e70e0c95..7592e33cdbf1c2b20151417b1156b79fc1010845 100644
--- a/dnn/test/cuda/local/local.cu
+++ b/dnn/test/cuda/local/local.cu
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/local/local.cu
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/local/local.h b/dnn/test/cuda/local/local.h
index 9f391b1d55dae29a507487f2d61bd34350cebb1e..751775722475cb7820a88f739f00f302ca1b5aeb 100644
--- a/dnn/test/cuda/local/local.h
+++ b/dnn/test/cuda/local/local.h
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/local/local.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/local_share.cpp b/dnn/test/cuda/local_share.cpp
index 1fc9983b522d9497af73c35ea81e475d6aa60673..5c07d36ad62ba5e7769efd3582c70ebf48260079 100644
--- a/dnn/test/cuda/local_share.cpp
+++ b/dnn/test/cuda/local_share.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/local_share.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/lrn.cpp b/dnn/test/cuda/lrn.cpp
index e8abd436658f8e5f01254a6fe23f792be463b37f..22b9fc06889764387a55abf34a11d890e7e3e244 100644
--- a/dnn/test/cuda/lrn.cpp
+++ b/dnn/test/cuda/lrn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/lrn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/mask_conv.cpp b/dnn/test/cuda/mask_conv.cpp
index 468a7e805b4310050d5f9a529569e057ad7236b2..27ec7967218685f00f6a75678f94ae4f1c09787c 100644
--- a/dnn/test/cuda/mask_conv.cpp
+++ b/dnn/test/cuda/mask_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/mask_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/matrix_inverse.cpp b/dnn/test/cuda/matrix_inverse.cpp
index 50aba8f02743f00689a3b072adfcdb0de941f4c0..4823cfaa935c01b8419c618109e001ab423cc754 100644
--- a/dnn/test/cuda/matrix_inverse.cpp
+++ b/dnn/test/cuda/matrix_inverse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/matrix_inverse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/matrix_mul.cpp b/dnn/test/cuda/matrix_mul.cpp
index 0233a17ed2854c49e00cf501f2e051bc7fb0538c..ca7265438b023b10ac5679b3bf673c866cc7df62 100644
--- a/dnn/test/cuda/matrix_mul.cpp
+++ b/dnn/test/cuda/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/megcore/computing.cpp b/dnn/test/cuda/megcore/computing.cpp
index 1824deb90e88f48fb4f69362a6503ab79f02a12c..30d9fcec062203e1abbbf6123097e42e3240b56e 100644
--- a/dnn/test/cuda/megcore/computing.cpp
+++ b/dnn/test/cuda/megcore/computing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/megcore/computing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/megcore/device.cpp b/dnn/test/cuda/megcore/device.cpp
index 7346acad00425cad3981f4cc2850d0c410f8e27d..086e779ca0e90342c59376e76f484a910ab1ba5e 100644
--- a/dnn/test/cuda/megcore/device.cpp
+++ b/dnn/test/cuda/megcore/device.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/megcore/device.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/megcore/fixture.cpp b/dnn/test/cuda/megcore/fixture.cpp
index 4d7307a13af2fddc8aceded4a35c2e30ce987e9b..38ecdda1c0cab9b85755bfd89c09ab28da636940 100644
--- a/dnn/test/cuda/megcore/fixture.cpp
+++ b/dnn/test/cuda/megcore/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/megcore/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/megcore/fixture.h b/dnn/test/cuda/megcore/fixture.h
index f28ce88bbc86e167e9ec6437983a9e25f22bff6c..930634934e11698676272d696da11f0d9f6cf128 100644
--- a/dnn/test/cuda/megcore/fixture.h
+++ b/dnn/test/cuda/megcore/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/megcore/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/mesh_indexing.cpp b/dnn/test/cuda/mesh_indexing.cpp
index 336b1200190a5dd36716514ddebb391dff68fd0a..fde1ab168225525b485a659e46388b991f4abc1f 100644
--- a/dnn/test/cuda/mesh_indexing.cpp
+++ b/dnn/test/cuda/mesh_indexing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/mesh_indexing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/param_pack.cpp b/dnn/test/cuda/param_pack.cpp
index 25ef527576a6f160ee2213a2a3989eda31ce3668..56d81f4f2c2b97e4e15ac26fd239b6053c8bebcb 100644
--- a/dnn/test/cuda/param_pack.cpp
+++ b/dnn/test/cuda/param_pack.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/param_pack.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/pooling.cpp b/dnn/test/cuda/pooling.cpp
index 86d42a7056f37cfdc4f96d3f7156fbab4f9ba156..8fcf9f5abe51f0f3f700be6f998b0252c88d3bcd 100644
--- a/dnn/test/cuda/pooling.cpp
+++ b/dnn/test/cuda/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/powc.cpp b/dnn/test/cuda/powc.cpp
index d23caebc612ada663b168e977515b65a75133500..b29df4f291c228a503949ec40f78387dc8fea1c3 100644
--- a/dnn/test/cuda/powc.cpp
+++ b/dnn/test/cuda/powc.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/powc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/reduce.cpp b/dnn/test/cuda/reduce.cpp
index a3eee5dc1afddc4e1a5735e7de9fa7483630bdd3..7815225aa0f692ce6ac7f0ecf7ffc35e25687ebc 100644
--- a/dnn/test/cuda/reduce.cpp
+++ b/dnn/test/cuda/reduce.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/reduce.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/relayout.cpp b/dnn/test/cuda/relayout.cpp
index a5fdc4f906b1f9e4cd64bf80e54d1c56b2abf71b..e81e12170b6d6175f2cca6d771998092d135c6d8 100644
--- a/dnn/test/cuda/relayout.cpp
+++ b/dnn/test/cuda/relayout.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/relayout.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/relayout_format.cpp b/dnn/test/cuda/relayout_format.cpp
index 12fd5d891fb528ea1ef49785128d0e703ecc383b..6af7cf04ff644dfd6cf04ff1ac746a149f0ac420 100644
--- a/dnn/test/cuda/relayout_format.cpp
+++ b/dnn/test/cuda/relayout_format.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/relayout_format.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/remap.cpp b/dnn/test/cuda/remap.cpp
index 1bb8f2f7ae88a3b4ef997341acf33a0c97b1e8bd..bfdc1cdb46810fee28b785a9429b3b9aca8421b6 100644
--- a/dnn/test/cuda/remap.cpp
+++ b/dnn/test/cuda/remap.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/remap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/repeat.cpp b/dnn/test/cuda/repeat.cpp
index 37f9b1e25c4d4d33edaf60855eadbc7d9431dfa1..bc317b00d20703fa4aafd1ea9bae630b66b8bf23 100644
--- a/dnn/test/cuda/repeat.cpp
+++ b/dnn/test/cuda/repeat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/repeat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/resize.cpp b/dnn/test/cuda/resize.cpp
index d865d07f08a27515f0cab9a5545b5252e2972982..2f5b745ec01a642eee14cb0e37221420392c83b5 100644
--- a/dnn/test/cuda/resize.cpp
+++ b/dnn/test/cuda/resize.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/resize.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/rng.cpp b/dnn/test/cuda/rng.cpp
index dc39d554d689d48be76998d351b2eeb1a293c931..a50d9613df77fa71d62fff2cd91cf90b44632cc2 100644
--- a/dnn/test/cuda/rng.cpp
+++ b/dnn/test/cuda/rng.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/rng.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/roi_align.cpp b/dnn/test/cuda/roi_align.cpp
index 84013d4f019a1eed7d8e46fe2810699a5413ce6b..1ec866ed677b5175731a340d703ba013b33fda91 100644
--- a/dnn/test/cuda/roi_align.cpp
+++ b/dnn/test/cuda/roi_align.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/roi_align.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/roi_copy.cpp b/dnn/test/cuda/roi_copy.cpp
index 012d570ae7a82356940188c80bf53f2537a1513a..875a6a4a8fa64d6ef3a63de036089d9e45cca196 100644
--- a/dnn/test/cuda/roi_copy.cpp
+++ b/dnn/test/cuda/roi_copy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/roi_copy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/roi_pooling.cpp b/dnn/test/cuda/roi_pooling.cpp
index 3a97a4589d67c9b350d90b7997e169a7abf7d373..cbb450c94743ef37a139d75ef75ce3c213daa449 100644
--- a/dnn/test/cuda/roi_pooling.cpp
+++ b/dnn/test/cuda/roi_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/roi_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/rotate.cpp b/dnn/test/cuda/rotate.cpp
index 73d82ffe394ff28f54fbcf2f44e93b0af1f3c3c3..e325274f63cba995c1e977e3f7c7d2442384029b 100644
--- a/dnn/test/cuda/rotate.cpp
+++ b/dnn/test/cuda/rotate.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/rotate.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/sleep.cpp b/dnn/test/cuda/sleep.cpp
index 52d2a05ef8f1199c9d484dbe0888f1162260e128..c53073730823bfa8f9e3fa79064165be32053319 100644
--- a/dnn/test/cuda/sleep.cpp
+++ b/dnn/test/cuda/sleep.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/sleep.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/split.cpp b/dnn/test/cuda/split.cpp
index e4fbdf178b89b36dbd974859223f81ebc748b404..d107a84593470f0d197470418d32666b78d302d5 100644
--- a/dnn/test/cuda/split.cpp
+++ b/dnn/test/cuda/split.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/split.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/svd.cpp b/dnn/test/cuda/svd.cpp
index 706df2ce2defb347b9d6eba44ad9785879c95cee..9c071d6c278fd4f932efbc90fcf0e2b3405b1da4 100644
--- a/dnn/test/cuda/svd.cpp
+++ b/dnn/test/cuda/svd.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/svd.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/tensor_remap.cpp b/dnn/test/cuda/tensor_remap.cpp
index af3828bea59893083c75f9d6ce3ca83ea8bf2a0a..123458b09b4f0d8ffc7fb94ad18f68bc7b53afc9 100644
--- a/dnn/test/cuda/tensor_remap.cpp
+++ b/dnn/test/cuda/tensor_remap.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/tensor_remap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/tile.cpp b/dnn/test/cuda/tile.cpp
index f5211d29e0c3facadac7c5a90b4b92a06bb662e0..277a788cd0f8b14fd0ebbcc3c841dc17ef1cbbb4 100644
--- a/dnn/test/cuda/tile.cpp
+++ b/dnn/test/cuda/tile.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/tile.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/timer.h b/dnn/test/cuda/timer.h
index aaa26daeaf9ecfc22f433c3e270f8b1beca57d87..309d891c60b732a7173cb8b923983cfbb86310f4 100644
--- a/dnn/test/cuda/timer.h
+++ b/dnn/test/cuda/timer.h
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/timer.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/topk.cpp b/dnn/test/cuda/topk.cpp
index 302e162ac21898ec1d1c9126c19a90cadf2fddaa..33036442b0c4f6a03076d3bd368bf3ac6bdad5d0 100644
--- a/dnn/test/cuda/topk.cpp
+++ b/dnn/test/cuda/topk.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/topk.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/tqt.cpp b/dnn/test/cuda/tqt.cpp
index fdbce4db0d2aa6b0c96fe3f4d0941bcbf9c0c5a9..2eab6f12844fbecacd7e09c2658d0da7cfe05c70 100644
--- a/dnn/test/cuda/tqt.cpp
+++ b/dnn/test/cuda/tqt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/tqt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/transpose.cpp b/dnn/test/cuda/transpose.cpp
index 79ffaca6c96d0f56b4ca40d9b6bd8e25feb39cdf..78b3b3a35145ed0267fa34f50ffad4dcba07c42e 100644
--- a/dnn/test/cuda/transpose.cpp
+++ b/dnn/test/cuda/transpose.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/transpose.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/type_cvt.cpp b/dnn/test/cuda/type_cvt.cpp
index af481993c1afd3898362d18791f43c73d2a9d462..87dc654bf9dbabde0b123f57ff61dabe6511a554 100644
--- a/dnn/test/cuda/type_cvt.cpp
+++ b/dnn/test/cuda/type_cvt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/type_cvt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/utils.cpp b/dnn/test/cuda/utils.cpp
index 175895f4a4c85abbfc8eb62450127e9ddcb9aa3f..e04a0b7c2116ed5afc6257dfac62ed7a1a98ffb6 100644
--- a/dnn/test/cuda/utils.cpp
+++ b/dnn/test/cuda/utils.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/utils.h b/dnn/test/cuda/utils.h
index 3ce2379d26fdb26ff0bf9d0420666d65b02b8236..2484adbcbd6b9cf23611aa385ad5663591ac7d84 100644
--- a/dnn/test/cuda/utils.h
+++ b/dnn/test/cuda/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/warp_affine.cpp b/dnn/test/cuda/warp_affine.cpp
index 04617562d8e2080d10df0de82a5a21168dabd148..1c76cf862681ca801af263cb714b3f6b42fd2828 100644
--- a/dnn/test/cuda/warp_affine.cpp
+++ b/dnn/test/cuda/warp_affine.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/warp_affine.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/cuda/warp_perspective.cpp b/dnn/test/cuda/warp_perspective.cpp
index 43241b8aa5ac428f0c22e25d85969f86aed0b8c6..5c0d5547ad2196769f645d3942a57e0d14008a17 100644
--- a/dnn/test/cuda/warp_perspective.cpp
+++ b/dnn/test/cuda/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/cuda/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/dispatcher/null.cpp b/dnn/test/dispatcher/null.cpp
index 6ab132c2dc2bed8cd1f4d2955bf5ea393b00b70e..cc8a193d26ca94030cc0e57b9371d15aea573634 100644
--- a/dnn/test/dispatcher/null.cpp
+++ b/dnn/test/dispatcher/null.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/dispatcher/null.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/dispatcher/warp_perspective.cpp b/dnn/test/dispatcher/warp_perspective.cpp
index e9ebd8ffdb786cca3c60806d813d9088aec29ae2..ab6cf78aebe7ede99e4c839211921d609bec67d7 100644
--- a/dnn/test/dispatcher/warp_perspective.cpp
+++ b/dnn/test/dispatcher/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/dispatcher/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/concat.cpp b/dnn/test/fallback/concat.cpp
index c0a63d98dafa0dbd4c7547b929f563625fb6c676..fd3cb59098f0f434ac0e13a3d27f3b8024413ecb 100644
--- a/dnn/test/fallback/concat.cpp
+++ b/dnn/test/fallback/concat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/concat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/conv_bias.cpp b/dnn/test/fallback/conv_bias.cpp
index d00719f074fd4e4c273e68ac40558d5a84593799..ee022652871b5e4d1b96b26c82095e81374f2c36 100644
--- a/dnn/test/fallback/conv_bias.cpp
+++ b/dnn/test/fallback/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/convolution.cpp b/dnn/test/fallback/convolution.cpp
index 221f9537bf060c374ed03b5cc3239722a680a471..7d253c9da6b61e19d5c46a8eedd3881083412661 100644
--- a/dnn/test/fallback/convolution.cpp
+++ b/dnn/test/fallback/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/elemwise.cpp b/dnn/test/fallback/elemwise.cpp
index a4bb00a9b60f87cd69065df7ce3fbcef7767554b..cace431ba4d81689bf579eebc4a4945fc66ec9a3 100644
--- a/dnn/test/fallback/elemwise.cpp
+++ b/dnn/test/fallback/elemwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/elemwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/elemwise_multi_type.cpp b/dnn/test/fallback/elemwise_multi_type.cpp
index 4fb186066ece4b06d0c4b9040843d4d8539153b3..a74b9b8ab6e5057e3058574ff969dfca68677630 100644
--- a/dnn/test/fallback/elemwise_multi_type.cpp
+++ b/dnn/test/fallback/elemwise_multi_type.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/elemwise_multi_type.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/fixture.cpp b/dnn/test/fallback/fixture.cpp
index 07b2c6cabd5863cea01612262017916018497094..6cc98dd062fb898b54cf91b65dde143c4ed1dd9c 100644
--- a/dnn/test/fallback/fixture.cpp
+++ b/dnn/test/fallback/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/fixture.h b/dnn/test/fallback/fixture.h
index 0685412848809157dabf8bf96d665832b04067b0..d1bc64ab231a99e971aa3e01940c83ec7f0c427e 100644
--- a/dnn/test/fallback/fixture.h
+++ b/dnn/test/fallback/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/flip.cpp b/dnn/test/fallback/flip.cpp
index f8d5ad360bcc5123aacefd514c02b4666bf9ae6c..ec1e3ce4678da7952155bc47a38ca5767e9669da 100644
--- a/dnn/test/fallback/flip.cpp
+++ b/dnn/test/fallback/flip.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/flip.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/gaussian_blur.cpp b/dnn/test/fallback/gaussian_blur.cpp
index b8df56938a59f2f2abadd08abeb17dfbdbbd84ea..290b72f89c701648754191501d85ce494697cb58 100644
--- a/dnn/test/fallback/gaussian_blur.cpp
+++ b/dnn/test/fallback/gaussian_blur.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/gaussian_blur.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/matrix_mul.cpp b/dnn/test/fallback/matrix_mul.cpp
index 682f2e194c53de109e49bd1d765f25b5c3422340..5f1cc3ae4629a40a37e8871079d4e5c72a9b8ba4 100644
--- a/dnn/test/fallback/matrix_mul.cpp
+++ b/dnn/test/fallback/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/powc.cpp b/dnn/test/fallback/powc.cpp
index 72e3b705ede0590e08651866b44dacec6475c942..83ad26ac4bde181123209cfe0a22ad04c1f64d7e 100644
--- a/dnn/test/fallback/powc.cpp
+++ b/dnn/test/fallback/powc.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/powc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/reduce.cpp b/dnn/test/fallback/reduce.cpp
index 72f075fa9f69c4af85903a00aded6db73512e273..303b58dee76372a45d0db240a59ffbe730f049f9 100644
--- a/dnn/test/fallback/reduce.cpp
+++ b/dnn/test/fallback/reduce.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/reduce.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/relayout.cpp b/dnn/test/fallback/relayout.cpp
index ac0990a4de9a2d3e19953ab2ebe390182b04484b..590c647a6a5454bf2fc20a98ce0bcbdecfae4afd 100644
--- a/dnn/test/fallback/relayout.cpp
+++ b/dnn/test/fallback/relayout.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/relayout.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/repeat.cpp b/dnn/test/fallback/repeat.cpp
index d6cb58e0e3595b11ba6747974160d219c0549932..3bf546da2fd48f927048250854419cf44881025d 100644
--- a/dnn/test/fallback/repeat.cpp
+++ b/dnn/test/fallback/repeat.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/repeat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/resize.cpp b/dnn/test/fallback/resize.cpp
index d2ae1969efcd2867ab3084ced73a0ee221544ec0..6b8d9110a0d8b0f1bb404d7811f0f6409c2a40de 100644
--- a/dnn/test/fallback/resize.cpp
+++ b/dnn/test/fallback/resize.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/resize.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/roi_copy.cpp b/dnn/test/fallback/roi_copy.cpp
index e383d86cc648ce5327137484766beed064b3a5c4..491607e42b7c96d7f6fddb00081d96445226b8a3 100644
--- a/dnn/test/fallback/roi_copy.cpp
+++ b/dnn/test/fallback/roi_copy.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/roi_copy.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/rotate.cpp b/dnn/test/fallback/rotate.cpp
index 5a10c9105c0e769d77f0a32ea0c0333810068d7d..fab08228caeae6800ae6fc068823483e06dd521d 100644
--- a/dnn/test/fallback/rotate.cpp
+++ b/dnn/test/fallback/rotate.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/rotate.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/split.cpp b/dnn/test/fallback/split.cpp
index 68afa5b701bac58a4ef67bd7580a1155394ff878..a52fac9df9f77e3c56feaf5fbe5f21d412b74df5 100644
--- a/dnn/test/fallback/split.cpp
+++ b/dnn/test/fallback/split.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/split.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/tile.cpp b/dnn/test/fallback/tile.cpp
index 5a548c7dcfd175ae95c6d96c5c0a6aa5670e3b5c..2f2144d82627ca7c16189a1cd121695031d46851 100644
--- a/dnn/test/fallback/tile.cpp
+++ b/dnn/test/fallback/tile.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/tile.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/type_cvt.cpp b/dnn/test/fallback/type_cvt.cpp
index 33dc0b640d6893585ece4d553f3bf141cbeaee69..4441e6d5a7c380dc60e49461539430c72d234cdc 100644
--- a/dnn/test/fallback/type_cvt.cpp
+++ b/dnn/test/fallback/type_cvt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/type_cvt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/fallback/warp_perspective.cpp b/dnn/test/fallback/warp_perspective.cpp
index 97951a57bfdf3ffe7fc3973a744e037376476da1..0678689b81cfb1307f668e4f4f41519730177ace 100644
--- a/dnn/test/fallback/warp_perspective.cpp
+++ b/dnn/test/fallback/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/fallback/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/gtest_main.cpp b/dnn/test/gtest_main.cpp
index 2d2fcd8f559c9d753b165ac8bb56fd8e311e5911..011ed4f95cb0464dce9c7c561dd197086cada057 100644
--- a/dnn/test/gtest_main.cpp
+++ b/dnn/test/gtest_main.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/gtest_main.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/main.cpp b/dnn/test/main.cpp
index 41b0a7c3eb5c806f8592dbe4e95cec4a3f3d0ad8..c2f391f0b02ec531d188fe057cb9057c0433e8fb 100644
--- a/dnn/test/main.cpp
+++ b/dnn/test/main.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/main.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/add_update.cpp b/dnn/test/naive/add_update.cpp
index c0f523626202ff831084cb5d8fea5eec9306776c..10b9ff7bbb049420d233c7534afbc45595405403 100644
--- a/dnn/test/naive/add_update.cpp
+++ b/dnn/test/naive/add_update.cpp
@@ -2,7 +2,7 @@
  * \file test/naive/add_update.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/conv_bias.cpp b/dnn/test/naive/conv_bias.cpp
index a1ff4a7a3bae1bfbf9d47d05cbba178827762ad7..c189489a9094f4a1894929ba7196897402adf79e 100644
--- a/dnn/test/naive/conv_bias.cpp
+++ b/dnn/test/naive/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/convolution.cpp b/dnn/test/naive/convolution.cpp
index 761cd9225f0360a1a760654214154102e02bdf9c..a80ac3854206ceeb1a0a19f36f52600cd42ad828 100644
--- a/dnn/test/naive/convolution.cpp
+++ b/dnn/test/naive/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/cvt_color.cpp b/dnn/test/naive/cvt_color.cpp
index 8853762eaac1f973068a41fe388b26ad302c212a..46b11f20196ecfc23e81328da700d047f1c24bd6 100644
--- a/dnn/test/naive/cvt_color.cpp
+++ b/dnn/test/naive/cvt_color.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/cvt_color.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/dct.cpp b/dnn/test/naive/dct.cpp
index 620e0a8281cc3f4945d8a79e7f394c8559cabee7..2f29234f4debc147facef639596cdd23bbff4fb3 100644
--- a/dnn/test/naive/dct.cpp
+++ b/dnn/test/naive/dct.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/dct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/deformable_conv.cpp b/dnn/test/naive/deformable_conv.cpp
index d75fe57fb324b4e92d9bb3c0a151d9b4c3ef8f44..ae1f0e1d875b1ac03f9632765395596508bdda0d 100644
--- a/dnn/test/naive/deformable_conv.cpp
+++ b/dnn/test/naive/deformable_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/deformable_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/deformable_ps_roi_pooling.cpp b/dnn/test/naive/deformable_ps_roi_pooling.cpp
index 5e9db1c33ccb6ecb620d0ef1754eb4fcf3cf0d63..7b4a9b8589e2174498b62873ee6e93141f1db9ce 100644
--- a/dnn/test/naive/deformable_ps_roi_pooling.cpp
+++ b/dnn/test/naive/deformable_ps_roi_pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/deformable_ps_roi_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/elemwise_multi_type.cpp b/dnn/test/naive/elemwise_multi_type.cpp
index 00721e5070d66c2102e932815e3eb2c2a8426eb0..4423420fab4f4ebce7a55f6aa996f54a071bc311 100644
--- a/dnn/test/naive/elemwise_multi_type.cpp
+++ b/dnn/test/naive/elemwise_multi_type.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/elemwise_multi_type.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/fixture.cpp b/dnn/test/naive/fixture.cpp
index f1ba93fdd4dcd3d5499303ec3acda43fac360735..5f274db5e29308ecd7f785384fbb7f5127dc3154 100644
--- a/dnn/test/naive/fixture.cpp
+++ b/dnn/test/naive/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/fixture.h b/dnn/test/naive/fixture.h
index 6606aa263eb67d8c7a789821c24bd26aa81af2ee..798289040094948228d47e6d3bec9cf170ee1b08 100644
--- a/dnn/test/naive/fixture.h
+++ b/dnn/test/naive/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/matrix_inverse.cpp b/dnn/test/naive/matrix_inverse.cpp
index e48c22072c414ac0743749b88dafa12dc08e4e9b..2752fdc138b185d6bd0a30988ed5b8976fb9b75b 100644
--- a/dnn/test/naive/matrix_inverse.cpp
+++ b/dnn/test/naive/matrix_inverse.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/matrix_inverse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/matrix_mul.cpp b/dnn/test/naive/matrix_mul.cpp
index a4fe85e96e0860cce126fa5c6a0dfabc09679a83..eaccf86fda5de415bc4d30cc1f4917e6d456457f 100644
--- a/dnn/test/naive/matrix_mul.cpp
+++ b/dnn/test/naive/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/mesh_indexing.cpp b/dnn/test/naive/mesh_indexing.cpp
index dc598d723d5b864cb27586fd3b0fd4843e545d29..94bd7d5153f98c4e898bca3fe9f141730331b869 100644
--- a/dnn/test/naive/mesh_indexing.cpp
+++ b/dnn/test/naive/mesh_indexing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/mesh_indexing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/pooling.cpp b/dnn/test/naive/pooling.cpp
index 9d651e48c23b8a591ca381ed5777ebcd35752f47..803b9c16b71e0146acdae2f4ab067bbbdefd6150 100644
--- a/dnn/test/naive/pooling.cpp
+++ b/dnn/test/naive/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/reduce.cpp b/dnn/test/naive/reduce.cpp
index eda8d3b6e814b842e50ba35d8ebf141973ffc4c0..6e13b1fdd2e1cfa8772c8563fcee9c1f073bf986 100644
--- a/dnn/test/naive/reduce.cpp
+++ b/dnn/test/naive/reduce.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/reduce.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/relayout_format.cpp b/dnn/test/naive/relayout_format.cpp
index cfb750d5154756c3d12c65846790f047fa8965a5..8165d273daa78aa7eb6b7a7bf92bd2d97d9a4f8a 100644
--- a/dnn/test/naive/relayout_format.cpp
+++ b/dnn/test/naive/relayout_format.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/relayout_format.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/resize.cpp b/dnn/test/naive/resize.cpp
index e79ff4d84fc0f26489ceb8545b7e0fc6f74ef2f9..8e21322e94bb33681ef4cc25b1810a891377887f 100644
--- a/dnn/test/naive/resize.cpp
+++ b/dnn/test/naive/resize.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/resize.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/rng.cpp b/dnn/test/naive/rng.cpp
index 8b4e5d2b74123c1c1164b2e6fae67e8b555e6d75..a5240eca7fbad9d61e4b52d980ba5d62ae563648 100644
--- a/dnn/test/naive/rng.cpp
+++ b/dnn/test/naive/rng.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/rng.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/rng.h b/dnn/test/naive/rng.h
index 1eb2e6714ee4271c57e43d48a3b3a912a5df05a4..89e3c0adfe9c7b0e7b0410b0b6a6c1bf847276ae 100644
--- a/dnn/test/naive/rng.h
+++ b/dnn/test/naive/rng.h
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/rng.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/svd.cpp b/dnn/test/naive/svd.cpp
index 7669e861b4b35c1b7e2450ab8b357bae9f0f8e32..5b65680adabf0296ee390b3559b64a75d154f129 100644
--- a/dnn/test/naive/svd.cpp
+++ b/dnn/test/naive/svd.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/svd.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/type_cvt.cpp b/dnn/test/naive/type_cvt.cpp
index dfcfee8a59b8e96a2a08645a8896289d667b8fab..7348eef595f1d2338e04f80e1ae0ee5cfc9f4a6e 100644
--- a/dnn/test/naive/type_cvt.cpp
+++ b/dnn/test/naive/type_cvt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/type_cvt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/warp_afffine.cpp b/dnn/test/naive/warp_afffine.cpp
index 861d9b41da95b222f340d2d25e9b723bfd60a0ab..7ee5eeecf82820443ad254b591f2280416529aa4 100644
--- a/dnn/test/naive/warp_afffine.cpp
+++ b/dnn/test/naive/warp_afffine.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/warp_afffine.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/naive/warp_perspective.cpp b/dnn/test/naive/warp_perspective.cpp
index 2168853b57e2f851c4fcf2d6025829223375dc81..b70c8cadaa1116019a9a1ad136173b627ca09db1 100644
--- a/dnn/test/naive/warp_perspective.cpp
+++ b/dnn/test/naive/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/naive/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/add_update.cpp b/dnn/test/rocm/add_update.cpp
index 13c32b0fb998f89d543d914f82f863f63274d521..2d4fcd62f47afeebe6d310b24ca9ea3e9ae1ee54 100644
--- a/dnn/test/rocm/add_update.cpp
+++ b/dnn/test/rocm/add_update.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/add_update.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/argmxx.cpp b/dnn/test/rocm/argmxx.cpp
index 1fada4e58c7b3ef4e9b53fe6529fb81321a4e9dc..9dcf1d6f5e0a50f36acf71ea112efd53351d444e 100644
--- a/dnn/test/rocm/argmxx.cpp
+++ b/dnn/test/rocm/argmxx.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/argmxx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/batched_matrix_mul.cpp b/dnn/test/rocm/batched_matrix_mul.cpp
index 1c91a1df696b99105f6f30d572169cacea13f3fe..fe97718aefaebe63640eff36ec5e41bb5fb9ac2e 100644
--- a/dnn/test/rocm/batched_matrix_mul.cpp
+++ b/dnn/test/rocm/batched_matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/batched_matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/benchmark.cpp b/dnn/test/rocm/benchmark.cpp
index 766b84842111fc589987fdc3ebc4ffdb79252709..2d00f7e7d72af760be92355fb0be73da9a17859f 100644
--- a/dnn/test/rocm/benchmark.cpp
+++ b/dnn/test/rocm/benchmark.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/benchmark.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/benchmarker.h b/dnn/test/rocm/benchmarker.h
index 9d508d4ee6553d1fa1534efee7279cf8ade2cd48..f5397b634a0f7c12d74af08ade95af850576dcd4 100644
--- a/dnn/test/rocm/benchmarker.h
+++ b/dnn/test/rocm/benchmarker.h
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/benchmarker.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/benchmarker.inl b/dnn/test/rocm/benchmarker.inl
index 2784e5aaec8ae6abbcc071e6c199c9cd74d937c3..d154a66b57ea5f7fa672b72816ec6e988013780c 100644
--- a/dnn/test/rocm/benchmarker.inl
+++ b/dnn/test/rocm/benchmarker.inl
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/benchmarker.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/bn.cpp b/dnn/test/rocm/bn.cpp
index b84b2ae0b4b1279b648d7887623c09f971598d02..59f8091c79b349f44b46d72bbd912105d91269b9 100644
--- a/dnn/test/rocm/bn.cpp
+++ b/dnn/test/rocm/bn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/bn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/chanwise_convolution.cpp b/dnn/test/rocm/chanwise_convolution.cpp
index bc6f318b7049428cac3cb4d8aef0b94b065c28f5..0470c3620d4b467d497fba83baa39c28a7fb1a4c 100644
--- a/dnn/test/rocm/chanwise_convolution.cpp
+++ b/dnn/test/rocm/chanwise_convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/chanwise_convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/checksum.cpp b/dnn/test/rocm/checksum.cpp
index e34ab6614cd6b6129b0f53b2d06e89312ed97c88..2a74021fb1bfb319ced54e7adc794fdcbe11e36d 100644
--- a/dnn/test/rocm/checksum.cpp
+++ b/dnn/test/rocm/checksum.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/checksum.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/convolution.cpp b/dnn/test/rocm/convolution.cpp
index 014b238d7f32c4156c32d0a625be33018b2a6c91..b2571591f2505db960845b2969103946d5881563 100644
--- a/dnn/test/rocm/convolution.cpp
+++ b/dnn/test/rocm/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/elemwise.cpp b/dnn/test/rocm/elemwise.cpp
index 0ceaa96aa75949fd97c415560b3567a36f898ae4..2f95fbd96f3baaed3dcd647b9d162e6cf8f62f83 100644
--- a/dnn/test/rocm/elemwise.cpp
+++ b/dnn/test/rocm/elemwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/elemwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/eye.cpp b/dnn/test/rocm/eye.cpp
index c900d85d5c8e366eb1530bfecd5c62e67767b9f0..7278e9717e2faacd9d5ae23d8f441af5c82dadb0 100644
--- a/dnn/test/rocm/eye.cpp
+++ b/dnn/test/rocm/eye.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/eye.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/fixture.cpp b/dnn/test/rocm/fixture.cpp
index ea11b53be77843f8b2942757b2dee5ba670b0791..78c93e5b98426126f9416f611d00f0db2e4716dc 100644
--- a/dnn/test/rocm/fixture.cpp
+++ b/dnn/test/rocm/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/fixture.h b/dnn/test/rocm/fixture.h
index 5b02ed259762d11c303107c6b4d2c45eea5f321e..140ac5a56a08313ba118326e34b8c08197b8b424 100644
--- a/dnn/test/rocm/fixture.h
+++ b/dnn/test/rocm/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/indexing_multi_axis_vec.cpp b/dnn/test/rocm/indexing_multi_axis_vec.cpp
index 12d4834ee13755df7618535084d29bd6a69a242b..bc0fb6abb337896b8dcd4aae6601699c3ff88e28 100644
--- a/dnn/test/rocm/indexing_multi_axis_vec.cpp
+++ b/dnn/test/rocm/indexing_multi_axis_vec.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/indexing_multi_axis_vec.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/indexing_one_hot.cpp b/dnn/test/rocm/indexing_one_hot.cpp
index a84b9a16251cba76f6f136163cc70be9e5c6dedd..93314033fcdddf83e034d16b0a6952e27990c970 100644
--- a/dnn/test/rocm/indexing_one_hot.cpp
+++ b/dnn/test/rocm/indexing_one_hot.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/indexing_one_hot.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/linspace.cpp b/dnn/test/rocm/linspace.cpp
index 9c9b7760cd2988ee3bac03decee4c21b599b490e..14ba9bc1c93e531194f913ff9caa895de4d8a3a9 100644
--- a/dnn/test/rocm/linspace.cpp
+++ b/dnn/test/rocm/linspace.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/linspace.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/matrix_mul.cpp b/dnn/test/rocm/matrix_mul.cpp
index 87a2d2e0afa4870beacf5a4f6eb3451908c91d07..a40d16869d0838c54305dd3e06c118ef4bff9141 100644
--- a/dnn/test/rocm/matrix_mul.cpp
+++ b/dnn/test/rocm/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/megcore/computing.cpp b/dnn/test/rocm/megcore/computing.cpp
index 7a548aebc6506236bd8bb0f651fd1d7d97bbf1df..b4d04d9a1440970ea0b74dfb4ffb502acd35f3af 100644
--- a/dnn/test/rocm/megcore/computing.cpp
+++ b/dnn/test/rocm/megcore/computing.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/megcore/computing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/megcore/device.cpp b/dnn/test/rocm/megcore/device.cpp
index f6edf9f8143db8179a5129085554c7831360f7fe..3ba41f096eb57b929501e87c3ba46b47cd6b1773 100644
--- a/dnn/test/rocm/megcore/device.cpp
+++ b/dnn/test/rocm/megcore/device.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/megcore/device.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/megcore/fixture.cpp b/dnn/test/rocm/megcore/fixture.cpp
index c6a174c5b56cda2f22911fa1087fcff613019fc4..8421a21ca4f5382b5a044e6cee5a89270ab7b8a4 100644
--- a/dnn/test/rocm/megcore/fixture.cpp
+++ b/dnn/test/rocm/megcore/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/megcore/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/megcore/fixture.h b/dnn/test/rocm/megcore/fixture.h
index 6e913a90c9bbfb343bb8487c9857c1c1d1cb2892..1aa5ddaf7b7241d413c4a995a800d28addf97ff2 100644
--- a/dnn/test/rocm/megcore/fixture.h
+++ b/dnn/test/rocm/megcore/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/megcore/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/pooling.cpp b/dnn/test/rocm/pooling.cpp
index 08cee8ce7abd9236594c32bac4f4c264281da2dc..972d48efad536b31ab181998da15c58c90589a62 100644
--- a/dnn/test/rocm/pooling.cpp
+++ b/dnn/test/rocm/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/powc.cpp b/dnn/test/rocm/powc.cpp
index 21e183095ac40e8fa1fd5aecee72959a9404404a..c0b3e7c841451693a7409b069eb5256bcdafbfbf 100644
--- a/dnn/test/rocm/powc.cpp
+++ b/dnn/test/rocm/powc.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/powc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/reduce.cpp b/dnn/test/rocm/reduce.cpp
index 690e75e5a44211739c17457fc049b81a5df0523e..6337ae8005de90ef95179d5c7c82a5c7f154da58 100644
--- a/dnn/test/rocm/reduce.cpp
+++ b/dnn/test/rocm/reduce.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/reduce.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/relayout.cpp b/dnn/test/rocm/relayout.cpp
index 949960eaed84f069ffcf04801e0358a039fb8f3d..73aeb530277cd27351d0df2f8f6be91b5eb0d0f4 100644
--- a/dnn/test/rocm/relayout.cpp
+++ b/dnn/test/rocm/relayout.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/relayout.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/rng.cpp b/dnn/test/rocm/rng.cpp
index 70c1bcfaae9d0f09e6183be782d632640c94148b..1030423cd1b5d41ece542277a0be79ec08f318c0 100644
--- a/dnn/test/rocm/rng.cpp
+++ b/dnn/test/rocm/rng.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/rng.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/sleep.cpp b/dnn/test/rocm/sleep.cpp
index 90c62d5d3015ea31da5aa650dbf48c96646b46f6..4f7d3aa138d1db4f848d8025d1fb34a805cdba12 100644
--- a/dnn/test/rocm/sleep.cpp
+++ b/dnn/test/rocm/sleep.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/sleep.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/type_cvt.cpp b/dnn/test/rocm/type_cvt.cpp
index a89560d82893564d7f67c4e221030474b1b89541..0ca5eeb7d5cef5a19877de2bef26bb35dcb70e5a 100644
--- a/dnn/test/rocm/type_cvt.cpp
+++ b/dnn/test/rocm/type_cvt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/type_cvt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/rocm/utils.h b/dnn/test/rocm/utils.h
index ca3aef052f86d8ea56422bed805f60d01081b90f..9c8fcc34c8cc85d61e8a238e9075b085666bbbaf 100644
--- a/dnn/test/rocm/utils.h
+++ b/dnn/test/rocm/utils.h
@@ -2,7 +2,7 @@
  * \file dnn/test/rocm/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/add_update.cpp b/dnn/test/x86/add_update.cpp
index 0f3c3ef5d23a34de73a57fefd026fcc4f0eecbde..17e1a50ec939154e4b264b701d700a4997a0ccb5 100644
--- a/dnn/test/x86/add_update.cpp
+++ b/dnn/test/x86/add_update.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/add_update.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/conv_bias.cpp b/dnn/test/x86/conv_bias.cpp
index d7669c4b6f0c7ce005a4238ec2536ae9d6e100a5..247ee073b5f466b3407ca8046a9d8a85443157d5 100644
--- a/dnn/test/x86/conv_bias.cpp
+++ b/dnn/test/x86/conv_bias.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/conv_bias.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/convolution.cpp b/dnn/test/x86/convolution.cpp
index 9d42b5001fc8d4b6f360da7d8564a7bf609a7514..4631f78c5c711b75b4324fc13a055c5a94aafaa7 100644
--- a/dnn/test/x86/convolution.cpp
+++ b/dnn/test/x86/convolution.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/cpuinfo.cpp b/dnn/test/x86/cpuinfo.cpp
index b67375491c7271759290d36269916b12ebdde1f0..dd7c3a9258a9dd4250dcebb6dac6aa16bfb2d7e8 100644
--- a/dnn/test/x86/cpuinfo.cpp
+++ b/dnn/test/x86/cpuinfo.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/cpuinfo.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/cvt_color.cpp b/dnn/test/x86/cvt_color.cpp
index d20e7bfd0e7769ecafd4636179ef03ae155ff869..35f1dfc4adaae1b2f0ed1b375beae63aba95c8f1 100644
--- a/dnn/test/x86/cvt_color.cpp
+++ b/dnn/test/x86/cvt_color.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/cvt_color.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/elemwise.cpp b/dnn/test/x86/elemwise.cpp
index 2d85f1087c1b4d7ce229e3b28c301db4df1ccd52..e29926a5857910958ddd7817e5f1e5b07ba4a583 100644
--- a/dnn/test/x86/elemwise.cpp
+++ b/dnn/test/x86/elemwise.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/elemwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/elemwise_bmark.cpp b/dnn/test/x86/elemwise_bmark.cpp
index 8a492076c30e2f9428fc762d0da4bb6106dc276c..a0da3bce829de9b1463d0d6c80edad89fb2c701b 100644
--- a/dnn/test/x86/elemwise_bmark.cpp
+++ b/dnn/test/x86/elemwise_bmark.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/elemwise_bmark.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/elemwise_multi_type.cpp b/dnn/test/x86/elemwise_multi_type.cpp
index 2431dc36a04746e158b61668e506430c5ceb8757..743fb0ca6956cdbc434285a3e10098decc225447 100644
--- a/dnn/test/x86/elemwise_multi_type.cpp
+++ b/dnn/test/x86/elemwise_multi_type.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/elemwise_multi_type.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/fixture.cpp b/dnn/test/x86/fixture.cpp
index 86683d3fa489877ae8833d79739c4d826814fffa..cab773ed678f45544316949661fc92400b20281f 100644
--- a/dnn/test/x86/fixture.cpp
+++ b/dnn/test/x86/fixture.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/fixture.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/fixture.h b/dnn/test/x86/fixture.h
index 822c3be32d0af32e73a1c9b5907e9322c5b07a27..ff6321cc039f85ce0401c7e33c6c936c83fbcbed 100644
--- a/dnn/test/x86/fixture.h
+++ b/dnn/test/x86/fixture.h
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/fixture.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/gaussian_blur.cpp b/dnn/test/x86/gaussian_blur.cpp
index b757acd21f4c28e9faf2ca021ed3372a49f0b08b..42f6b82e971a41384774641519f94e639d9998d4 100644
--- a/dnn/test/x86/gaussian_blur.cpp
+++ b/dnn/test/x86/gaussian_blur.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/gaussian_blur.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/lrn.cpp b/dnn/test/x86/lrn.cpp
index 0aa9bc12aa232876a59f9b3dc93626e43ea1b5b4..a6cd3ba3ebb32fcd17d96e3ba49e09022156a6e0 100644
--- a/dnn/test/x86/lrn.cpp
+++ b/dnn/test/x86/lrn.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/lrn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/matrix_mul.cpp b/dnn/test/x86/matrix_mul.cpp
index 4ce8f1983dce37519ea618338d1005c299d6f40e..356d69c46de4ea7b424075ca2fdab6bd909ab168 100644
--- a/dnn/test/x86/matrix_mul.cpp
+++ b/dnn/test/x86/matrix_mul.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/matrix_mul.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/pooling.cpp b/dnn/test/x86/pooling.cpp
index a4873d4b3793e6dbef7d60d4d536605dd3c6e51a..3abfd6f7d86d3032abd53a995e8ceeea24b63037 100644
--- a/dnn/test/x86/pooling.cpp
+++ b/dnn/test/x86/pooling.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/resize.cpp b/dnn/test/x86/resize.cpp
index 6ed1c86d897f72484395f212e46d175f7b9f9bce..b7ceb82689c90de79f021ca8b76f85bc9086fb17 100644
--- a/dnn/test/x86/resize.cpp
+++ b/dnn/test/x86/resize.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/resize.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/separable_conv.cpp b/dnn/test/x86/separable_conv.cpp
index 667b4c943b68266f1c1b3ae40f112dc9991d0b4a..e1344ce54627408197b34deb503dee78107f6fa4 100644
--- a/dnn/test/x86/separable_conv.cpp
+++ b/dnn/test/x86/separable_conv.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/separable_conv.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/separable_filter.cpp b/dnn/test/x86/separable_filter.cpp
index 8aee1ae28c3c7952aeb506da1feca0b423bfd769..82eebbf2726a05772b5e1dc3980e4ef1fe9a2359 100644
--- a/dnn/test/x86/separable_filter.cpp
+++ b/dnn/test/x86/separable_filter.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/separable_filter.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/type_cvt.cpp b/dnn/test/x86/type_cvt.cpp
index 94f69318bf63da76590f2c175a2696f448645156..9d6333a8e7f7d564eb1a8924cdf71c767c88c63e 100644
--- a/dnn/test/x86/type_cvt.cpp
+++ b/dnn/test/x86/type_cvt.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/type_cvt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/dnn/test/x86/warp_perspective.cpp b/dnn/test/x86/warp_perspective.cpp
index cd488ac84b34b73de8b1f3e0615e201fcb7b92ea..f523b51749b0f24926c94486cf0c8c6643a2759a 100644
--- a/dnn/test/x86/warp_perspective.cpp
+++ b/dnn/test/x86/warp_perspective.cpp
@@ -2,7 +2,7 @@
  * \file dnn/test/x86/warp_perspective.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/__init__.py b/imperative/python/megengine/__init__.py
index f574918358787c150f1729cb2caad5bb535f227d..320aa125df7c2131e159af89e297ba3dfc031806 100644
--- a/imperative/python/megengine/__init__.py
+++ b/imperative/python/megengine/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/autodiff/__init__.py b/imperative/python/megengine/autodiff/__init__.py
index 10553b392b46b1e40c38e144a929c1112ae33896..c9b062203ca9181c6c017d9b05408b129e29448e 100644
--- a/imperative/python/megengine/autodiff/__init__.py
+++ b/imperative/python/megengine/autodiff/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/__init__.py b/imperative/python/megengine/core/__init__.py
index 8b2d111adb0ad6e6a38e2558e458287a15ce7c57..5de7a67da757fde65b6d5e5f8af9294b424ae9b1 100644
--- a/imperative/python/megengine/core/__init__.py
+++ b/imperative/python/megengine/core/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/_trace_option.py b/imperative/python/megengine/core/_trace_option.py
index 4e95222063717bf599bd6600342c142d061f8f8d..b580d3460ca133e773712224bdd55ff108b251e1 100644
--- a/imperative/python/megengine/core/_trace_option.py
+++ b/imperative/python/megengine/core/_trace_option.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/_wrap.py b/imperative/python/megengine/core/_wrap.py
index c9a422fd49224ac7cbf3b374d7051139e4fbc357..7f57120c01c50ee22af6ddced67fa48688b856ee 100644
--- a/imperative/python/megengine/core/_wrap.py
+++ b/imperative/python/megengine/core/_wrap.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/autodiff/__init__.py b/imperative/python/megengine/core/autodiff/__init__.py
index 1207b5d98cd3578bc39e9ce600a1254a434880c8..0253e7dcabee24c3271d1d8b14c8f75a2e15596d 100644
--- a/imperative/python/megengine/core/autodiff/__init__.py
+++ b/imperative/python/megengine/core/autodiff/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/autodiff/grad.py b/imperative/python/megengine/core/autodiff/grad.py
index 5fc67809841199af00df78d9524978d5982d5697..fbd5d2a647ba7c55e9a5da597d56bc122a2d9b67 100644
--- a/imperative/python/megengine/core/autodiff/grad.py
+++ b/imperative/python/megengine/core/autodiff/grad.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/ops/__init__.py b/imperative/python/megengine/core/ops/__init__.py
index 1207b5d98cd3578bc39e9ce600a1254a434880c8..0253e7dcabee24c3271d1d8b14c8f75a2e15596d 100644
--- a/imperative/python/megengine/core/ops/__init__.py
+++ b/imperative/python/megengine/core/ops/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/ops/builtin/__init__.py b/imperative/python/megengine/core/ops/builtin/__init__.py
index 386970715e271ee8677ebe8a3cd3ff7309fc2720..2029f277f082571a590419a5ff8661045a34543b 100644
--- a/imperative/python/megengine/core/ops/builtin/__init__.py
+++ b/imperative/python/megengine/core/ops/builtin/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/ops/special.py b/imperative/python/megengine/core/ops/special.py
index 54013280fb469e5d1010979c81f27a3cfb041f31..1e496c1c828c9bac33810b79b499ad6eaf3be036 100644
--- a/imperative/python/megengine/core/ops/special.py
+++ b/imperative/python/megengine/core/ops/special.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/tensor/__init__.py b/imperative/python/megengine/core/tensor/__init__.py
index 1207b5d98cd3578bc39e9ce600a1254a434880c8..0253e7dcabee24c3271d1d8b14c8f75a2e15596d 100644
--- a/imperative/python/megengine/core/tensor/__init__.py
+++ b/imperative/python/megengine/core/tensor/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/tensor/array_method.py b/imperative/python/megengine/core/tensor/array_method.py
index eb417a75beeeca16165b49a570db09bf8f2d1e82..ed032ae1534565be18c26d6741717fef5c09bca5 100644
--- a/imperative/python/megengine/core/tensor/array_method.py
+++ b/imperative/python/megengine/core/tensor/array_method.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/tensor/core.py b/imperative/python/megengine/core/tensor/core.py
index a74616cf40b66c5c0019bbef54b44218b34f7508..80cf7a59f28a5cdccc707deaa56314fe12d2bab6 100644
--- a/imperative/python/megengine/core/tensor/core.py
+++ b/imperative/python/megengine/core/tensor/core.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/tensor/dtype.py b/imperative/python/megengine/core/tensor/dtype.py
index 0fbcab9ff2e042eb56ecb8a4aa794d605a76b6f0..ccbdd90163748c86e4011f5546a87cc18a47280b 100644
--- a/imperative/python/megengine/core/tensor/dtype.py
+++ b/imperative/python/megengine/core/tensor/dtype.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/tensor/indexing.py b/imperative/python/megengine/core/tensor/indexing.py
index 8bc4a75f71ef9197661072c6f15052cb7bff6f2b..9f6f45af333b24fc40a4716d3011671771b91141 100644
--- a/imperative/python/megengine/core/tensor/indexing.py
+++ b/imperative/python/megengine/core/tensor/indexing.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/tensor/megbrain_graph.py b/imperative/python/megengine/core/tensor/megbrain_graph.py
index 1063a7678acc4ffbc401c647b3da043e9c2a0240..5004cfb105ce666c8f4e36063ffc5560ff1b071d 100644
--- a/imperative/python/megengine/core/tensor/megbrain_graph.py
+++ b/imperative/python/megengine/core/tensor/megbrain_graph.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/core/tensor/utils.py b/imperative/python/megengine/core/tensor/utils.py
index 8ff86f00980a0bdeabd15f125c7f7b37d41352a1..875147eb636890dde75ea59c71df8c543fb9e29d 100644
--- a/imperative/python/megengine/core/tensor/utils.py
+++ b/imperative/python/megengine/core/tensor/utils.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/__init__.py b/imperative/python/megengine/data/__init__.py
index 308a890775537dfa8c42a5b75657320915581128..19631dbc5dac8e151a0ef8f6fe3cb32b221da689 100644
--- a/imperative/python/megengine/data/__init__.py
+++ b/imperative/python/megengine/data/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/_queue.py b/imperative/python/megengine/data/_queue.py
index b4c6e89e45263708a650496047cf542ca6fd763f..9acd8396acb4078c93b51588585ba3c9a4325c34 100644
--- a/imperative/python/megengine/data/_queue.py
+++ b/imperative/python/megengine/data/_queue.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/collator.py b/imperative/python/megengine/data/collator.py
index 6242e7676fc88967329b0546042ff4b66022d9b3..270a93af6ac8cbb17d137ef4694f44a5500b73ca 100644
--- a/imperative/python/megengine/data/collator.py
+++ b/imperative/python/megengine/data/collator.py
@@ -11,14 +11,14 @@
 # ---------------------------------------------------------------------
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
 # "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #
 # This file has been modified by Megvii ("Megvii Modifications").
-# All Megvii Modifications are Copyright (C) 2014-2020 Megvii Inc. All rights reserved.
+# All Megvii Modifications are Copyright (C) 2014-2021 Megvii Inc. All rights reserved.
 # ----------------------------------------------------------------------
 import collections.abc
 import re
diff --git a/imperative/python/megengine/data/dataloader.py b/imperative/python/megengine/data/dataloader.py
index 4c4a8368495292b9d0f93d22df010646336a4a41..deafaec3a471c5591a5ff31c4688fbba356e93a6 100644
--- a/imperative/python/megengine/data/dataloader.py
+++ b/imperative/python/megengine/data/dataloader.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/__init__.py b/imperative/python/megengine/data/dataset/__init__.py
index 2d6fe2f1af4e7d2ecab50a37ad41b4870cf93cf4..8ce8556dbcdb93d525b775db990059472cb805ac 100644
--- a/imperative/python/megengine/data/dataset/__init__.py
+++ b/imperative/python/megengine/data/dataset/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/meta_dataset.py b/imperative/python/megengine/data/dataset/meta_dataset.py
index 8673b47c9b17412c1e70e8d85cad5ab4759bb2fc..779ab34094339cb6727fc7b5ad8e0e0076052d90 100644
--- a/imperative/python/megengine/data/dataset/meta_dataset.py
+++ b/imperative/python/megengine/data/dataset/meta_dataset.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/__init__.py b/imperative/python/megengine/data/dataset/vision/__init__.py
index dd2b0fc302dac854b8880a7894a090ddd3a18f08..77d9c75e29f13566c283763c0d04f83144abe2ff 100644
--- a/imperative/python/megengine/data/dataset/vision/__init__.py
+++ b/imperative/python/megengine/data/dataset/vision/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/cifar.py b/imperative/python/megengine/data/dataset/vision/cifar.py
index e969921d62d1ee6458c3855f5452eff8ac5c84ce..d5ff83caf12477db517ed8db3319a683a3f4dc39 100644
--- a/imperative/python/megengine/data/dataset/vision/cifar.py
+++ b/imperative/python/megengine/data/dataset/vision/cifar.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/cityscapes.py b/imperative/python/megengine/data/dataset/vision/cityscapes.py
index 894cce592fc2508d682fb9be9b2632620b8efb32..2602e1ca2e641cb854cf228977751493ba956456 100644
--- a/imperative/python/megengine/data/dataset/vision/cityscapes.py
+++ b/imperative/python/megengine/data/dataset/vision/cityscapes.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/coco.py b/imperative/python/megengine/data/dataset/vision/coco.py
index af813fc18134c38ac91bbb3edbd5fcf63cbc11c4..4cc133346af0550c90cfceb88d9cb3a8fd4816d5 100644
--- a/imperative/python/megengine/data/dataset/vision/coco.py
+++ b/imperative/python/megengine/data/dataset/vision/coco.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/folder.py b/imperative/python/megengine/data/dataset/vision/folder.py
index e16c32e592178ff194a978f8835b45ed57f48cb4..ab44141a60b4df8c9ce934f654833508d584c861 100644
--- a/imperative/python/megengine/data/dataset/vision/folder.py
+++ b/imperative/python/megengine/data/dataset/vision/folder.py
@@ -6,14 +6,14 @@
 # ---------------------------------------------------------------------
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
 # "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #
 # This file has been modified by Megvii ("Megvii Modifications").
-# All Megvii Modifications are Copyright (C) 2014-2020 Megvii Inc. All rights reserved.
+# All Megvii Modifications are Copyright (C) 2014-2021 Megvii Inc. All rights reserved.
 # ---------------------------------------------------------------------
 import os
 from typing import Dict, List, Tuple
diff --git a/imperative/python/megengine/data/dataset/vision/imagenet.py b/imperative/python/megengine/data/dataset/vision/imagenet.py
index e84dcddfded737f28bc39f5a986b62e1734f8c36..a5371eeba5488f08f8865f224446467a286e3e98 100644
--- a/imperative/python/megengine/data/dataset/vision/imagenet.py
+++ b/imperative/python/megengine/data/dataset/vision/imagenet.py
@@ -6,14 +6,14 @@
 # ---------------------------------------------------------------------
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
 # "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #
 # This file has been modified by Megvii ("Megvii Modifications").
-# All Megvii Modifications are Copyright (C) 2014-2020 Megvii Inc. All rights reserved.
+# All Megvii Modifications are Copyright (C) 2014-2021 Megvii Inc. All rights reserved.
 # ---------------------------------------------------------------------
 import os
 import shutil
diff --git a/imperative/python/megengine/data/dataset/vision/meta_vision.py b/imperative/python/megengine/data/dataset/vision/meta_vision.py
index f89df740788f0bb1f9a421e21053b33b8fc17d17..aac81592d54f2d9c7bcab3c2f943e98a4789a4c4 100644
--- a/imperative/python/megengine/data/dataset/vision/meta_vision.py
+++ b/imperative/python/megengine/data/dataset/vision/meta_vision.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/mnist.py b/imperative/python/megengine/data/dataset/vision/mnist.py
index 665fb6931aad9068fcb9ce6f44eaf59b904dde8a..278d749bf1e96775e6244e6c1284c28e9de36a17 100644
--- a/imperative/python/megengine/data/dataset/vision/mnist.py
+++ b/imperative/python/megengine/data/dataset/vision/mnist.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/objects365.py b/imperative/python/megengine/data/dataset/vision/objects365.py
index da4d2adfa87c70cd294b37623e71f7dbb02e5e76..12643ec5cdd1465cf8c33f19a91d9b0783a8d58a 100644
--- a/imperative/python/megengine/data/dataset/vision/objects365.py
+++ b/imperative/python/megengine/data/dataset/vision/objects365.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/utils.py b/imperative/python/megengine/data/dataset/vision/utils.py
index 9a028d9ce4120d8ce3cb468db1ba8760e5b7e1c9..ed077842145d7bd341af0efcaa6d120939294f72 100644
--- a/imperative/python/megengine/data/dataset/vision/utils.py
+++ b/imperative/python/megengine/data/dataset/vision/utils.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/dataset/vision/voc.py b/imperative/python/megengine/data/dataset/vision/voc.py
index 142b7e42e2d1021a99ef120928918463544b6a4d..628b51e065abc6febb4910e6b30c4b5c6ffece0b 100644
--- a/imperative/python/megengine/data/dataset/vision/voc.py
+++ b/imperative/python/megengine/data/dataset/vision/voc.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/sampler.py b/imperative/python/megengine/data/sampler.py
index 3d6f4bafa1828c44adf4745998fdeda3349a56c0..1646cd4d9802a4ce4deb3e02736a111aff6eec85 100644
--- a/imperative/python/megengine/data/sampler.py
+++ b/imperative/python/megengine/data/sampler.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/transform/__init__.py b/imperative/python/megengine/data/transform/__init__.py
index 30424cbc6c31e8c4b9dde9ed10a65b3317b74294..ba867831b830e9bab556f3faeb37447c307097c1 100644
--- a/imperative/python/megengine/data/transform/__init__.py
+++ b/imperative/python/megengine/data/transform/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/transform/meta_transform.py b/imperative/python/megengine/data/transform/meta_transform.py
index 18951aaf28b95f469a2482d0cb5c5a11014bb891..3549692bf7a2d24c931336da1d82e95a90438f13 100644
--- a/imperative/python/megengine/data/transform/meta_transform.py
+++ b/imperative/python/megengine/data/transform/meta_transform.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/transform/vision/__init__.py b/imperative/python/megengine/data/transform/vision/__init__.py
index d90c9e989d1bd7515e1419564d58b87c9cce028e..f0120381a0649382c82a1c03b5dda9c353333683 100644
--- a/imperative/python/megengine/data/transform/vision/__init__.py
+++ b/imperative/python/megengine/data/transform/vision/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/transform/vision/functional.py b/imperative/python/megengine/data/transform/vision/functional.py
index d5b9ad51e07ca26a413c024bd4791dcc51e2f1f9..0116a055b8f572bf81567f966236c524a96239fb 100644
--- a/imperative/python/megengine/data/transform/vision/functional.py
+++ b/imperative/python/megengine/data/transform/vision/functional.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/data/transform/vision/transform.py b/imperative/python/megengine/data/transform/vision/transform.py
index f4d6c7ff667144b27a8da49de85c2236e7c66c44..7d2813ec852b36ad06cd0b0df4da28a381a13b49 100644
--- a/imperative/python/megengine/data/transform/vision/transform.py
+++ b/imperative/python/megengine/data/transform/vision/transform.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/device.py b/imperative/python/megengine/device.py
index 36845d69f8161fdc084bf11330ab540be1e7c18f..0ba39d47a8f734678c0a2c33acda0d8d490cbe41 100644
--- a/imperative/python/megengine/device.py
+++ b/imperative/python/megengine/device.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/distributed/__init__.py b/imperative/python/megengine/distributed/__init__.py
index 818829b184baa3c1b0c2e6c23990f0d360851c92..8607256a2b2cfca0eab637cfe9c4007942dd5d44 100644
--- a/imperative/python/megengine/distributed/__init__.py
+++ b/imperative/python/megengine/distributed/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/distributed/functional.py b/imperative/python/megengine/distributed/functional.py
index 02efd29c1917ffffceafa04e5ccbde871142f2f3..b10ea5b36cb0316ad45fdb0bdbfdbe8e207f7179 100644
--- a/imperative/python/megengine/distributed/functional.py
+++ b/imperative/python/megengine/distributed/functional.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/distributed/group.py b/imperative/python/megengine/distributed/group.py
index aa52d8f49f6acee4f1dbb4ee6ceccc3d2196e6f0..1ccce0fa74a573e30e10b70a3c561a181b80aedc 100644
--- a/imperative/python/megengine/distributed/group.py
+++ b/imperative/python/megengine/distributed/group.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/distributed/helper.py b/imperative/python/megengine/distributed/helper.py
index 2d0131bb6c215339d23a6a76dca10812a9a29198..0b65d411a5452450b1f11b917439199a5a5c6f11 100644
--- a/imperative/python/megengine/distributed/helper.py
+++ b/imperative/python/megengine/distributed/helper.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/distributed/launcher.py b/imperative/python/megengine/distributed/launcher.py
index f904babe79307391d21d123d27322d608bfb6da1..2ae38ed71a479a6db47da2abce437bd32ea3162b 100644
--- a/imperative/python/megengine/distributed/launcher.py
+++ b/imperative/python/megengine/distributed/launcher.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/distributed/server.py b/imperative/python/megengine/distributed/server.py
index c686fad2ea293a52b88d6e4ed1199ba689b81c93..4e83c19a756208a9b7014a7abc06b8ddb9d6bc4c 100644
--- a/imperative/python/megengine/distributed/server.py
+++ b/imperative/python/megengine/distributed/server.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/__init__.py b/imperative/python/megengine/functional/__init__.py
index d8a856cc4d12267c20f07b19b989beb68ddb4255..3b1ac5a2188f542a9aede6e1a7b6526fa6d3fd9a 100644
--- a/imperative/python/megengine/functional/__init__.py
+++ b/imperative/python/megengine/functional/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/debug_param.py b/imperative/python/megengine/functional/debug_param.py
index df81206f86747226f4e5b28261e27a7d160f1ff5..c9e042b053bad6b2b782708a993b646602e69c50 100644
--- a/imperative/python/megengine/functional/debug_param.py
+++ b/imperative/python/megengine/functional/debug_param.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/distributed.py b/imperative/python/megengine/functional/distributed.py
index da28c19455011cdc166f6b672737ddbf666f04c7..3e18508e1d816dcc367d650b040f0595b1c025e7 100644
--- a/imperative/python/megengine/functional/distributed.py
+++ b/imperative/python/megengine/functional/distributed.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/elemwise.py b/imperative/python/megengine/functional/elemwise.py
index 878c427a93317de4f9a3458d1b838371623b61f1..7f858d236b225b09fa3a15b353f4560e8d757d26 100644
--- a/imperative/python/megengine/functional/elemwise.py
+++ b/imperative/python/megengine/functional/elemwise.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/inplace.py b/imperative/python/megengine/functional/inplace.py
index ddd04a46cb147b146f4fbd8fafc04a1e83b3a8b2..9a9559003c69f5904a3323a0e50c9245ebe3c66e 100644
--- a/imperative/python/megengine/functional/inplace.py
+++ b/imperative/python/megengine/functional/inplace.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/loss.py b/imperative/python/megengine/functional/loss.py
index 9421ec67fe1cc6020fde9c5db8a6a68bf3e93dc5..76814fddf9c35b423cd6e08cd39663fcbf08576c 100644
--- a/imperative/python/megengine/functional/loss.py
+++ b/imperative/python/megengine/functional/loss.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/math.py b/imperative/python/megengine/functional/math.py
index e40c18adc5785a6f71b5216716c0ba2e7a59592e..0cbb32eca7b4a4adb3e06a31d58f97337b1e3e4f 100644
--- a/imperative/python/megengine/functional/math.py
+++ b/imperative/python/megengine/functional/math.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/nn.py b/imperative/python/megengine/functional/nn.py
index 0a61c4eb473a8925b1f49bec726c6625c25e86ee..91e46348cd63d62504d7f230a8e010ae3e4fcc43 100644
--- a/imperative/python/megengine/functional/nn.py
+++ b/imperative/python/megengine/functional/nn.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/quantized.py b/imperative/python/megengine/functional/quantized.py
index 2949a90f82d59e30ae7a12570bf8c5f1f6723c35..a6b8375a17a18d648d7346aaef9315e4ce86f476 100644
--- a/imperative/python/megengine/functional/quantized.py
+++ b/imperative/python/megengine/functional/quantized.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/tensor.py b/imperative/python/megengine/functional/tensor.py
index eec1ba2c6e985c5c54d663b2b4faf554fda3a89f..ba729c68818c4be951ffb70f12f59c99bb1d8d60 100644
--- a/imperative/python/megengine/functional/tensor.py
+++ b/imperative/python/megengine/functional/tensor.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/functional/utils.py b/imperative/python/megengine/functional/utils.py
index a4195c22dbb1465c4335db535591961fa761c31b..465ff20deadf733d8b60aaaefb219577dff43537 100644
--- a/imperative/python/megengine/functional/utils.py
+++ b/imperative/python/megengine/functional/utils.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/hub/__init__.py b/imperative/python/megengine/hub/__init__.py
index f07c3979919e4f2bf2dd6efbbdb19dec7e3bb294..ecb497714c53d5c214e6420b053c1c3937ce8ad1 100644
--- a/imperative/python/megengine/hub/__init__.py
+++ b/imperative/python/megengine/hub/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/hub/const.py b/imperative/python/megengine/hub/const.py
index 5f53420bed8aa290f29ea958e3129c80e779a388..8a6a36b6f303f23b90517ec8e343c1206f77711b 100644
--- a/imperative/python/megengine/hub/const.py
+++ b/imperative/python/megengine/hub/const.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/hub/exceptions.py b/imperative/python/megengine/hub/exceptions.py
index ede5c46ca32f1997adb18ac925d234820d647f2f..07d08b2e990e9011a06ce6f743b0ddbc6b584765 100644
--- a/imperative/python/megengine/hub/exceptions.py
+++ b/imperative/python/megengine/hub/exceptions.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/hub/fetcher.py b/imperative/python/megengine/hub/fetcher.py
index 583f4121a79fda257f51893207a38b64e4de698e..9c755150f187d6d82b618a0b6a41a3d851989bb4 100644
--- a/imperative/python/megengine/hub/fetcher.py
+++ b/imperative/python/megengine/hub/fetcher.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/hub/hub.py b/imperative/python/megengine/hub/hub.py
index 16edb634d36df01b46a3373cdbe858e4ae3b71bc..aefa83078048b18a1b74cbe940f7385ae17e80aa 100644
--- a/imperative/python/megengine/hub/hub.py
+++ b/imperative/python/megengine/hub/hub.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/hub/tools.py b/imperative/python/megengine/hub/tools.py
index bdc82d61af98144adfbd8f682fa72c12936ee614..524db01ae85531e062e7afbe86708879bab11aee 100644
--- a/imperative/python/megengine/hub/tools.py
+++ b/imperative/python/megengine/hub/tools.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/jit/__init__.py b/imperative/python/megengine/jit/__init__.py
index 9a794b7028b6d8c4c8b065a1add66c81833001c8..2352109222f312a5354bc65be1ec8cadea7483c3 100644
--- a/imperative/python/megengine/jit/__init__.py
+++ b/imperative/python/megengine/jit/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/jit/sublinear_memory_config.py b/imperative/python/megengine/jit/sublinear_memory_config.py
index 54a22b18fc1184ff1a8ac0c8d20acc7eb54f1ba8..a84fac4eff6f0bbd951edf661178b7e3614db046 100644
--- a/imperative/python/megengine/jit/sublinear_memory_config.py
+++ b/imperative/python/megengine/jit/sublinear_memory_config.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/jit/tracing.py b/imperative/python/megengine/jit/tracing.py
index c63e3c01a2b9f31b90a5ee6bc10ccca514a2e147..1455acb590552cd99f67f8e6824e87172be6f366 100644
--- a/imperative/python/megengine/jit/tracing.py
+++ b/imperative/python/megengine/jit/tracing.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/logger.py b/imperative/python/megengine/logger.py
index 40a04c5c6c635b811e6a362b1db943b5eae6e5f0..49e53eca1b25425936596f394c1816585a98f9a9 100644
--- a/imperative/python/megengine/logger.py
+++ b/imperative/python/megengine/logger.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/__init__.py b/imperative/python/megengine/module/__init__.py
index f05e619b2383b6c5ec39011b1c0e34c9c8080dd8..d91095d5460d4dc5df4c9f1d8c34e92d92e1e9e4 100644
--- a/imperative/python/megengine/module/__init__.py
+++ b/imperative/python/megengine/module/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/activation.py b/imperative/python/megengine/module/activation.py
index 2f17fe9ae38e6ce16e9e4f529368418b2d5a8922..c65f2f25f14e377a1ba697ba1b0da9ea4e567e6e 100644
--- a/imperative/python/megengine/module/activation.py
+++ b/imperative/python/megengine/module/activation.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/adaptive_pooling.py b/imperative/python/megengine/module/adaptive_pooling.py
index ddd76571b3bb355ea5e3eb4e6eaeec956652c5e8..8061f21bbab6e37330f4e45ad1e085a061086e3f 100644
--- a/imperative/python/megengine/module/adaptive_pooling.py
+++ b/imperative/python/megengine/module/adaptive_pooling.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/batch_matmul_activation.py b/imperative/python/megengine/module/batch_matmul_activation.py
index bfb303bd92badba6a9e027fe1b4d21951a59d01b..67bd98ac3d457ba51cd2854e11df78dfb3e0a480 100644
--- a/imperative/python/megengine/module/batch_matmul_activation.py
+++ b/imperative/python/megengine/module/batch_matmul_activation.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/batchnorm.py b/imperative/python/megengine/module/batchnorm.py
index 864162f1c67e8fb48dbde59f60906fde5155a595..f4d498953b16a147a9ac2973d35d9c44df6a026a 100644
--- a/imperative/python/megengine/module/batchnorm.py
+++ b/imperative/python/megengine/module/batchnorm.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/concat.py b/imperative/python/megengine/module/concat.py
index 7eca519c549636265e542d6d97fae0c8c98cfc66..46eb1d6ce55ddebaa486be71ce61cfdc47b0fcdb 100644
--- a/imperative/python/megengine/module/concat.py
+++ b/imperative/python/megengine/module/concat.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/conv.py b/imperative/python/megengine/module/conv.py
index 144c50d94098f1239493bd0157c9b1df372a10f9..247463651b3b969c59ca163e4ac09167f398790b 100644
--- a/imperative/python/megengine/module/conv.py
+++ b/imperative/python/megengine/module/conv.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/conv_bn.py b/imperative/python/megengine/module/conv_bn.py
index 76713b0f81e502900de5ce34b2faa96ddda595a2..354156c83eefe6e91c344794bb5aa82d0b8713c1 100644
--- a/imperative/python/megengine/module/conv_bn.py
+++ b/imperative/python/megengine/module/conv_bn.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/dropout.py b/imperative/python/megengine/module/dropout.py
index 8bf6213fa4e1df0bcd9d07f7f11ff2b6456de839..f7e783176f2f55d1e11aaf195ebea2a027855692 100644
--- a/imperative/python/megengine/module/dropout.py
+++ b/imperative/python/megengine/module/dropout.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/elemwise.py b/imperative/python/megengine/module/elemwise.py
index a22b113fb132d33384bddb3037f3a24984adc0bf..9713557ccdaede1fa757459620a752769d1cdce4 100644
--- a/imperative/python/megengine/module/elemwise.py
+++ b/imperative/python/megengine/module/elemwise.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/embedding.py b/imperative/python/megengine/module/embedding.py
index fb7bfa397a406cd4c8b1d8c2a8d503cfb5a16030..d5f93afd569ed6fd55c608fd128a4e5a36d47f0c 100644
--- a/imperative/python/megengine/module/embedding.py
+++ b/imperative/python/megengine/module/embedding.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/identity.py b/imperative/python/megengine/module/identity.py
index a948d256a7f48741c3e44da4db8501394ab56336..cdeb0e5be08ebb4a47a2df47d207abed10a1220e 100644
--- a/imperative/python/megengine/module/identity.py
+++ b/imperative/python/megengine/module/identity.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/init.py b/imperative/python/megengine/module/init.py
index a00d15621b0510d36a6e2e8a0a4b51bfb11ff8cc..52b111608ae88ebe2ae89afe138b45c22bb456b8 100644
--- a/imperative/python/megengine/module/init.py
+++ b/imperative/python/megengine/module/init.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/linear.py b/imperative/python/megengine/module/linear.py
index 34353783b394c1232e635775044e3524fa6e7b6d..a8544547c1577434b3ad0aacad5f15033d771428 100644
--- a/imperative/python/megengine/module/linear.py
+++ b/imperative/python/megengine/module/linear.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/module.py b/imperative/python/megengine/module/module.py
index d7ca2c91b413e5b0d7b140957988cc358bf7b69e..964bbef68962c3ea256c5905450488cf9497c213 100644
--- a/imperative/python/megengine/module/module.py
+++ b/imperative/python/megengine/module/module.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/normalization.py b/imperative/python/megengine/module/normalization.py
index b3a293660349dd6f6081b3fe25dceab7dd945af2..8c1a68490a30f79734702682cc90526fc9efdd13 100644
--- a/imperative/python/megengine/module/normalization.py
+++ b/imperative/python/megengine/module/normalization.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/pooling.py b/imperative/python/megengine/module/pooling.py
index b561038df359d3a2f5e1ce38c5ef98777e3fa5f8..56e0948cf661164f2e1a803366325a5e1d6266b1 100644
--- a/imperative/python/megengine/module/pooling.py
+++ b/imperative/python/megengine/module/pooling.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/__init__.py b/imperative/python/megengine/module/qat/__init__.py
index 044cf61d63970517df17dbdc4315a1aaccbc17c9..9a9295f9fc7ffaf84f784cd4cafa21cfd760f177 100644
--- a/imperative/python/megengine/module/qat/__init__.py
+++ b/imperative/python/megengine/module/qat/__init__.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/batch_matmul_activation.py b/imperative/python/megengine/module/qat/batch_matmul_activation.py
index 774ea85a3095c00bfda0d93f7e11617cf452658b..732ef1a1e19f318e907e4cecfc559595015c0a89 100644
--- a/imperative/python/megengine/module/qat/batch_matmul_activation.py
+++ b/imperative/python/megengine/module/qat/batch_matmul_activation.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/concat.py b/imperative/python/megengine/module/qat/concat.py
index a1f018938ee9fab92159c68a9e3fe7ddf5f5d3cc..fd856c052a246fc21e025e9a4524857f628e23bb 100644
--- a/imperative/python/megengine/module/qat/concat.py
+++ b/imperative/python/megengine/module/qat/concat.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/conv.py b/imperative/python/megengine/module/qat/conv.py
index 6c64658961f1edd459cc466b613858e3bead70bd..8e5fe40809dfe4367f6bb2e5120dd449928f1c26 100644
--- a/imperative/python/megengine/module/qat/conv.py
+++ b/imperative/python/megengine/module/qat/conv.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/conv_bn.py b/imperative/python/megengine/module/qat/conv_bn.py
index 4ad64d04645573e00cec9dbc1f979130a8a73acc..e87f2f29d473ea739b6fbd8af6380bd92737896c 100644
--- a/imperative/python/megengine/module/qat/conv_bn.py
+++ b/imperative/python/megengine/module/qat/conv_bn.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/elemwise.py b/imperative/python/megengine/module/qat/elemwise.py
index 1629528193388802fca640caea48e884826092d2..144019546ff3a20f62ca2e14e27792c99a143c60 100644
--- a/imperative/python/megengine/module/qat/elemwise.py
+++ b/imperative/python/megengine/module/qat/elemwise.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/linear.py b/imperative/python/megengine/module/qat/linear.py
index d0b454c0213621e42c03e0ae040e5a1ac3015fc8..598777d2bf6f152f57c073437bd54f281a516c2e 100644
--- a/imperative/python/megengine/module/qat/linear.py
+++ b/imperative/python/megengine/module/qat/linear.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/module.py b/imperative/python/megengine/module/qat/module.py
index 04da600076f317333e23605cd5665aaa401a12a4..b53a76d6629c7328dca1dcb7dcb4931cf9720d84 100644
--- a/imperative/python/megengine/module/qat/module.py
+++ b/imperative/python/megengine/module/qat/module.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/qat/quant_dequant.py b/imperative/python/megengine/module/qat/quant_dequant.py
index 0baa3e1c7822085e520c01017d8219104905d6ec..3fd49c64bde4a9b948677e4e1c2d90276d295e87 100644
--- a/imperative/python/megengine/module/qat/quant_dequant.py
+++ b/imperative/python/megengine/module/qat/quant_dequant.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quant_dequant.py b/imperative/python/megengine/module/quant_dequant.py
index aaf2b0cc3ae333c34574dfc3e6284a70c99bc3eb..8eda151ffb4959d925684b5a3dacc4180cd8ecb8 100644
--- a/imperative/python/megengine/module/quant_dequant.py
+++ b/imperative/python/megengine/module/quant_dequant.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/__init__.py b/imperative/python/megengine/module/quantized/__init__.py
index d7691eede74ca15b6ebe38b08f91d3bea91c085e..5c21359e0dbb7117a08c5f7fd4207ef079a7c53c 100644
--- a/imperative/python/megengine/module/quantized/__init__.py
+++ b/imperative/python/megengine/module/quantized/__init__.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/batch_matmul_activation.py b/imperative/python/megengine/module/quantized/batch_matmul_activation.py
index 2cdb7463ead5272eedb68145e73d405aa2ce8325..604a478d4611d49690507b91729d948e16fd4bf4 100644
--- a/imperative/python/megengine/module/quantized/batch_matmul_activation.py
+++ b/imperative/python/megengine/module/quantized/batch_matmul_activation.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/concat.py b/imperative/python/megengine/module/quantized/concat.py
index 801627cacac5557e9cf5b5ca57f27de0b5a344b3..a84e22ccb794c920d77656282e2197d41baedb98 100644
--- a/imperative/python/megengine/module/quantized/concat.py
+++ b/imperative/python/megengine/module/quantized/concat.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/conv.py b/imperative/python/megengine/module/quantized/conv.py
index 260a40de749fc44de159b92b4fd7ed9727a851fc..cda723ed683f1b2171f7149b3e766a9e5de33ce4 100644
--- a/imperative/python/megengine/module/quantized/conv.py
+++ b/imperative/python/megengine/module/quantized/conv.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/conv_bn.py b/imperative/python/megengine/module/quantized/conv_bn.py
index 162046e7e6a1f0b33423896f820c44d07a0a6251..79fb5e7e98459ceaacfe5ced23de1b79383cfd48 100644
--- a/imperative/python/megengine/module/quantized/conv_bn.py
+++ b/imperative/python/megengine/module/quantized/conv_bn.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/elemwise.py b/imperative/python/megengine/module/quantized/elemwise.py
index a5a555571f2d25d3096dd3089da90cbf015a3f8a..7285b6cee47f3adc91d885cc2dfb1ad62e63e364 100644
--- a/imperative/python/megengine/module/quantized/elemwise.py
+++ b/imperative/python/megengine/module/quantized/elemwise.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/linear.py b/imperative/python/megengine/module/quantized/linear.py
index c3c3c3302681eff78138fb0b453bab4f9ea77cb4..095e450155421d881628b95ae2089d5dc0328591 100644
--- a/imperative/python/megengine/module/quantized/linear.py
+++ b/imperative/python/megengine/module/quantized/linear.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/module.py b/imperative/python/megengine/module/quantized/module.py
index 47e6da963b10ffc4ed9a019bbeda999dd382bec2..0f24b336a5e8d6326c99d9c3540c2e4a8983237b 100644
--- a/imperative/python/megengine/module/quantized/module.py
+++ b/imperative/python/megengine/module/quantized/module.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/quantized/quant_dequant.py b/imperative/python/megengine/module/quantized/quant_dequant.py
index e45416742fa3c64f75e3c7238c99b5388a1e5b2a..1f6daae9a3d18b4ac90033f454fe69bbca77d1c9 100644
--- a/imperative/python/megengine/module/quantized/quant_dequant.py
+++ b/imperative/python/megengine/module/quantized/quant_dequant.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/module/sequential.py b/imperative/python/megengine/module/sequential.py
index c56770af980aebfc46468b460e03b882d4a28fcb..1cce1d4c8aa9f200d973ea68f54d1805ec9d941c 100644
--- a/imperative/python/megengine/module/sequential.py
+++ b/imperative/python/megengine/module/sequential.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/optimizer/__init__.py b/imperative/python/megengine/optimizer/__init__.py
index ad783e0605e0308354d5e2ef3ba21327086f3938..19c5f6e545b2efd82c1b8a107e6c37b64c5359ab 100644
--- a/imperative/python/megengine/optimizer/__init__.py
+++ b/imperative/python/megengine/optimizer/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/optimizer/adadelta.py b/imperative/python/megengine/optimizer/adadelta.py
index 24f009bcc4913ad49368b70ce2bc249e253daa94..73f73cf198e5342825e0751d4e9ba1be794c4a5e 100644
--- a/imperative/python/megengine/optimizer/adadelta.py
+++ b/imperative/python/megengine/optimizer/adadelta.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/optimizer/adagrad.py b/imperative/python/megengine/optimizer/adagrad.py
index 382a048d9cf4a5881940d47b6213cc9ceaf9d4aa..3332518bcaf9272d6d7f88d29b0785f3433d890b 100644
--- a/imperative/python/megengine/optimizer/adagrad.py
+++ b/imperative/python/megengine/optimizer/adagrad.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/optimizer/adam.py b/imperative/python/megengine/optimizer/adam.py
index 5e13ed77ec1abe6731f1eb551bf30f879634346c..13d490fad3529f6fc8a569487d1ec249f38dd25b 100644
--- a/imperative/python/megengine/optimizer/adam.py
+++ b/imperative/python/megengine/optimizer/adam.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/optimizer/lr_scheduler.py b/imperative/python/megengine/optimizer/lr_scheduler.py
index 5742dde027165cf269f249b5b554cb4f616b46e0..ec4ab57f2f5238e243cb971831ce296cd53140de 100644
--- a/imperative/python/megengine/optimizer/lr_scheduler.py
+++ b/imperative/python/megengine/optimizer/lr_scheduler.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/optimizer/multi_step_lr.py b/imperative/python/megengine/optimizer/multi_step_lr.py
index 7e8670cb494539c37805ce755271830497a778fb..f21485ffe28dd8aaf2467511d4c9078df4df8a37 100644
--- a/imperative/python/megengine/optimizer/multi_step_lr.py
+++ b/imperative/python/megengine/optimizer/multi_step_lr.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/optimizer/optimizer.py b/imperative/python/megengine/optimizer/optimizer.py
index f5135229ed2e61ef0daa1b943d93360eaa1a546f..69ef5239c162c7278982125c306e91b203095885 100644
--- a/imperative/python/megengine/optimizer/optimizer.py
+++ b/imperative/python/megengine/optimizer/optimizer.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/optimizer/sgd.py b/imperative/python/megengine/optimizer/sgd.py
index 0d61b13b046ba0949d14d88bacfa0225daa7fff9..8a61ab88900fd8df061a30943ea0e4d33ffc6f14 100644
--- a/imperative/python/megengine/optimizer/sgd.py
+++ b/imperative/python/megengine/optimizer/sgd.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/quantization/__init__.py b/imperative/python/megengine/quantization/__init__.py
index 452450781d268f09b83a806c29a82246c5817016..b21b3a636e0bae42ea50000e4fd9a1d108980e6f 100644
--- a/imperative/python/megengine/quantization/__init__.py
+++ b/imperative/python/megengine/quantization/__init__.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/quantization/fake_quant.py b/imperative/python/megengine/quantization/fake_quant.py
index 6b035d5316e0ffc2431494de6883d65364e9a611..c1b8a491076786bc8388d8b83793198e559dc4de 100644
--- a/imperative/python/megengine/quantization/fake_quant.py
+++ b/imperative/python/megengine/quantization/fake_quant.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/quantization/internal_fake_quant.py b/imperative/python/megengine/quantization/internal_fake_quant.py
index 1f246f4821ac5b89e4ee2c6c46130fb4e52ac579..013ddde73e87bffe502d5e4615a59723d237ad5c 100644
--- a/imperative/python/megengine/quantization/internal_fake_quant.py
+++ b/imperative/python/megengine/quantization/internal_fake_quant.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/quantization/observer.py b/imperative/python/megengine/quantization/observer.py
index 466ae918d8e7fa3d3813a28f7869bfde2ecd7ad2..5d3c4ca96ddbf2f5371e5f3214170881aaa7357a 100644
--- a/imperative/python/megengine/quantization/observer.py
+++ b/imperative/python/megengine/quantization/observer.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/quantization/qconfig.py b/imperative/python/megengine/quantization/qconfig.py
index 5eef6c32d40dbe4dca52be2b2786d38580485568..a699b4b1d85043ec77d75d7d632a77e175b31882 100644
--- a/imperative/python/megengine/quantization/qconfig.py
+++ b/imperative/python/megengine/quantization/qconfig.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #'
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/quantization/quantize.py b/imperative/python/megengine/quantization/quantize.py
index 09b6466dd8d20b1959514981e053a4ea6e5720e4..1d11442a73966bc59c7f78009900421ad30fea43 100644
--- a/imperative/python/megengine/quantization/quantize.py
+++ b/imperative/python/megengine/quantization/quantize.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/quantization/utils.py b/imperative/python/megengine/quantization/utils.py
index 7f36c25b3264e10b8cc8a2bef554d0384b0a0c8f..f622ce0e7dbc365a9204e2a6c82ebc4acdbfbcd7 100644
--- a/imperative/python/megengine/quantization/utils.py
+++ b/imperative/python/megengine/quantization/utils.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/random/__init__.py b/imperative/python/megengine/random/__init__.py
index 709329fe1391f80f393c8744f5bb11690d9559e4..bedf4340ed1d066b6e3f77dfac810923f4a2b0b6 100644
--- a/imperative/python/megengine/random/__init__.py
+++ b/imperative/python/megengine/random/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/random/distribution.py b/imperative/python/megengine/random/distribution.py
index fc8c3fd54eae522221314a7d420e98b6a186aba1..268f694624b07166269c16497a43a7d50d393c12 100644
--- a/imperative/python/megengine/random/distribution.py
+++ b/imperative/python/megengine/random/distribution.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/random/rng.py b/imperative/python/megengine/random/rng.py
index 8852955ba7a36592a0b008c132b3b9c12aa3cc1e..8cdfd0e182934a3b8c2eae58657b3c06ae52c8fe 100644
--- a/imperative/python/megengine/random/rng.py
+++ b/imperative/python/megengine/random/rng.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/serialization.py b/imperative/python/megengine/serialization.py
index e30903e2830497c6997e660f5153902371ca29d2..a6a01ecd0d87dd3faaa0c1e8ad2cb04c295555a7 100644
--- a/imperative/python/megengine/serialization.py
+++ b/imperative/python/megengine/serialization.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/tensor.py b/imperative/python/megengine/tensor.py
index c893a2eb4981f9bc3fb272edd85e9652bdbcab78..19979d455f18767a9480b120903128c6189ca447 100644
--- a/imperative/python/megengine/tensor.py
+++ b/imperative/python/megengine/tensor.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/__init__.py b/imperative/python/megengine/utils/__init__.py
index 1207b5d98cd3578bc39e9ce600a1254a434880c8..0253e7dcabee24c3271d1d8b14c8f75a2e15596d 100644
--- a/imperative/python/megengine/utils/__init__.py
+++ b/imperative/python/megengine/utils/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/_timed_func_fork_exec_entry.py b/imperative/python/megengine/utils/_timed_func_fork_exec_entry.py
index b962d365eb4379c1cbcb79b234b7f6ed04f151a1..2602700d94d3f34135ba40b1b2e61438a888382e 100644
--- a/imperative/python/megengine/utils/_timed_func_fork_exec_entry.py
+++ b/imperative/python/megengine/utils/_timed_func_fork_exec_entry.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/comp_graph_tools.py b/imperative/python/megengine/utils/comp_graph_tools.py
index 3b16a836e34a5e534f77ed380bac3c653ff78bd7..f4f1cfdc69cac4429db0c31c138fe0bba0f6437a 100644
--- a/imperative/python/megengine/utils/comp_graph_tools.py
+++ b/imperative/python/megengine/utils/comp_graph_tools.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/compare_binary_iodump.py b/imperative/python/megengine/utils/compare_binary_iodump.py
index 40084dc1681db5138016d33cbffc7994ba12625d..b6be0ced0d24ed193ef75b57bec3644a5247099d 100755
--- a/imperative/python/megengine/utils/compare_binary_iodump.py
+++ b/imperative/python/megengine/utils/compare_binary_iodump.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/deprecation.py b/imperative/python/megengine/utils/deprecation.py
index 9b464878a12c77a5f755fc945cfada71faff8a20..f064bfbf315ea5cee15269ca82e3b6854f017c9f 100644
--- a/imperative/python/megengine/utils/deprecation.py
+++ b/imperative/python/megengine/utils/deprecation.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/future.py b/imperative/python/megengine/utils/future.py
index 23ac3c4cfea2624d98feecc5d11611c7b4cf9efb..a593e3d78ac808d432566883e6de45e0bc583447 100644
--- a/imperative/python/megengine/utils/future.py
+++ b/imperative/python/megengine/utils/future.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/hook.py b/imperative/python/megengine/utils/hook.py
index 9864a94a1f22b81b7a0e50a19fe4febf54386a17..cb4d313d873ca3277a98c81fc8758e72bad62acf 100644
--- a/imperative/python/megengine/utils/hook.py
+++ b/imperative/python/megengine/utils/hook.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/http_download.py b/imperative/python/megengine/utils/http_download.py
index b24e7c93a4367afd92801b85b30bf2757407a20c..6cfcf97aca9d39683b69bbb1002e50571da1be66 100644
--- a/imperative/python/megengine/utils/http_download.py
+++ b/imperative/python/megengine/utils/http_download.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/max_recursion_limit.py b/imperative/python/megengine/utils/max_recursion_limit.py
index eeb40fcda634919a82d866ddc2dc8cc38519da89..9ac8684540c5000d6bbccc3d2d0dfc3048740dbc 100644
--- a/imperative/python/megengine/utils/max_recursion_limit.py
+++ b/imperative/python/megengine/utils/max_recursion_limit.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/net_stats.py b/imperative/python/megengine/utils/net_stats.py
index c8a81d9909ffedc727b99a7be8dd33105879f156..68eced78ec6f7145c099f3f3c78bfba3ea9e53a8 100644
--- a/imperative/python/megengine/utils/net_stats.py
+++ b/imperative/python/megengine/utils/net_stats.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/persistent_cache.py b/imperative/python/megengine/utils/persistent_cache.py
index 0f142b7633f99f9b48eaa60bbac77e8662d7f4fe..eda132c2a568c3c7303391ceb10093946a907063 100644
--- a/imperative/python/megengine/utils/persistent_cache.py
+++ b/imperative/python/megengine/utils/persistent_cache.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/plugin.py b/imperative/python/megengine/utils/plugin.py
index 8167bfd1fe4e40fc4aee60c8fd92aac2534c77cf..a50634c23146e4b71517575eaa182ad6622ff88d 100644
--- a/imperative/python/megengine/utils/plugin.py
+++ b/imperative/python/megengine/utils/plugin.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/profile_analyze.py b/imperative/python/megengine/utils/profile_analyze.py
index bfc7711ef0ca8642c6d5ecefc8fcebcecaec6f62..6722670bf01d9fdae6bf4993874ad77e0f11fa9e 100755
--- a/imperative/python/megengine/utils/profile_analyze.py
+++ b/imperative/python/megengine/utils/profile_analyze.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/profile_analyzer.py b/imperative/python/megengine/utils/profile_analyzer.py
index 65bae7ce2fce45b904f5139603304764a0f421a4..fab2f4d6c6489167fbe73b2ea218bea591c195ae 100644
--- a/imperative/python/megengine/utils/profile_analyzer.py
+++ b/imperative/python/megengine/utils/profile_analyzer.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/profiler.py b/imperative/python/megengine/utils/profiler.py
index 5c67ee705ab0286150d3c74ea6a4502e2f8abfc7..689e8c69dddb90830553f400c669086dadb29c69 100644
--- a/imperative/python/megengine/utils/profiler.py
+++ b/imperative/python/megengine/utils/profiler.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/utils/tuple_function.py b/imperative/python/megengine/utils/tuple_function.py
index 91af43b8075daa0f407e248202325719a14f0b80..01e774063f90e492e6ed954dcaeeffd578daf829 100644
--- a/imperative/python/megengine/utils/tuple_function.py
+++ b/imperative/python/megengine/utils/tuple_function.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/megengine/version.py b/imperative/python/megengine/version.py
index cdecff7b02532c19816977d70629aa458f3ee00d..956dfc4488a088f5a0ed704a19ccb2b8aa075f66 100644
--- a/imperative/python/megengine/version.py
+++ b/imperative/python/megengine/version.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/setup.py b/imperative/python/setup.py
index a90dfab00a859ca31cfe94705b93e017434b708f..b09dba72176c47b48443dda2849dcf7a3c0754e1 100644
--- a/imperative/python/setup.py
+++ b/imperative/python/setup.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/src/common.cpp b/imperative/python/src/common.cpp
index 35099e7f983aca764c5600504f22d57e4a3ff5bd..5cede8a9afd0996842cbaece1254322a930030b9 100644
--- a/imperative/python/src/common.cpp
+++ b/imperative/python/src/common.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/common.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/common.h b/imperative/python/src/common.h
index d5201b19b4d3fdb1e9213fcd2dd93b92f38aebfb..45f678914093aa9a1193b176c15d9c3d82c2b94f 100644
--- a/imperative/python/src/common.h
+++ b/imperative/python/src/common.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/grad.cpp b/imperative/python/src/grad.cpp
index cecdc0cb10ddf7e2bfeddc142cb872bbb317b460..80e37376bea71268f517eab0bda51301df72cae6 100644
--- a/imperative/python/src/grad.cpp
+++ b/imperative/python/src/grad.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/grad.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/grad.h b/imperative/python/src/grad.h
index 16a8299c756f3c9c1161ea5e4dafa08d027c3dc3..1780f311c73146f688af0abc68f97677ad1eb5df 100644
--- a/imperative/python/src/grad.h
+++ b/imperative/python/src/grad.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/grad.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/grad_info.h b/imperative/python/src/grad_info.h
index 9a1c9d939d76b78c4ac47e215ee9e725faae5887..b42356e6d233db6fd8fddcc066a421b871374420 100644
--- a/imperative/python/src/grad_info.h
+++ b/imperative/python/src/grad_info.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/grad_info.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/grad_override.cpp b/imperative/python/src/grad_override.cpp
index 7befb282f51be73235cd7dd14bb49d6c7731df62..ccc5a5078268b37abd7c829daf47fba7bf2ec6c5 100644
--- a/imperative/python/src/grad_override.cpp
+++ b/imperative/python/src/grad_override.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/grad_override.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/graph_rt.cpp b/imperative/python/src/graph_rt.cpp
index 170a90697b1b5a1301b3f22e3a5a7dfb482c80ae..81fc7970fd76cc63d5227d3c8098aa289fd03c50 100644
--- a/imperative/python/src/graph_rt.cpp
+++ b/imperative/python/src/graph_rt.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/graph_rt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/graph_rt.h b/imperative/python/src/graph_rt.h
index a7ad80b1880e3f007796f021e3adcd052cf8c432..0235ec495d662a0fd31236da2c302e858b5abe21 100644
--- a/imperative/python/src/graph_rt.h
+++ b/imperative/python/src/graph_rt.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/graph_rt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/helper.cpp b/imperative/python/src/helper.cpp
index b7f9215f605547c03b185cd8371a8af8c70fc42b..b9ad570fd25fe127c7048c10213b36abb12e4d7d 100644
--- a/imperative/python/src/helper.cpp
+++ b/imperative/python/src/helper.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/helper.h b/imperative/python/src/helper.h
index 8df0b5e321ac825b1948d560cffc10d73ee40b58..07077af117980698a061311dba1e73dfc8710bda 100644
--- a/imperative/python/src/helper.h
+++ b/imperative/python/src/helper.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/imperative_rt.cpp b/imperative/python/src/imperative_rt.cpp
index acf2075890ee2505814c617a9f4cf17e3f8b0b9c..ae679ecb3ad9c5a7398d9c82b8a43b0ceadc1109 100644
--- a/imperative/python/src/imperative_rt.cpp
+++ b/imperative/python/src/imperative_rt.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/imperative_rt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/imperative_rt.h b/imperative/python/src/imperative_rt.h
index fdab13ca5baadef272d3bf9ae273519d17d40854..c7562fe9154ccd942831e02da75f585f92aadc11 100644
--- a/imperative/python/src/imperative_rt.h
+++ b/imperative/python/src/imperative_rt.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/imperative_rt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/intrusive_list.h b/imperative/python/src/intrusive_list.h
index 9246dee0ad247f2c92c02a353807b471273fd875..703c60665dc5ac18031a6fa7399263730e25fa46 100644
--- a/imperative/python/src/intrusive_list.h
+++ b/imperative/python/src/intrusive_list.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/intrusive_list.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/module.cpp b/imperative/python/src/module.cpp
index 4ffed371c1a16c5c8d341798427e29ed5dfe4281..5075cc280ef42189642b9066fb1035bcd00937c7 100644
--- a/imperative/python/src/module.cpp
+++ b/imperative/python/src/module.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/module.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/numpy_dtypes.cpp b/imperative/python/src/numpy_dtypes.cpp
index f652cf1ee07c35c16b7eab53311d0fb05bcda0ba..c4d62a8362dab5f4afe62855efcdc34dc0d68ea8 100644
--- a/imperative/python/src/numpy_dtypes.cpp
+++ b/imperative/python/src/numpy_dtypes.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/numpy_dtypes.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/numpy_dtypes.h b/imperative/python/src/numpy_dtypes.h
index 5c6fc86470354f06a6bcaf00d6c30d1219dc9c83..7421815bf47d61fe239ac429b1baec974a92c09f 100644
--- a/imperative/python/src/numpy_dtypes.h
+++ b/imperative/python/src/numpy_dtypes.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/numpy_dtypes.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/numpy_dtypes_bfloat16.cpp b/imperative/python/src/numpy_dtypes_bfloat16.cpp
index b84f2d104984b655efca02dc812ed120ee2a4b32..148fbeb044a594c6ddfa5490867646fd9c812e06 100644
--- a/imperative/python/src/numpy_dtypes_bfloat16.cpp
+++ b/imperative/python/src/numpy_dtypes_bfloat16.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/numpy_dtypes_bfloat16.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/numpy_dtypes_intbx.cpp b/imperative/python/src/numpy_dtypes_intbx.cpp
index 302aaa5a40b2d4120ee844b94ad164a175fb8145..32907d78b54f440607ef077162225728f3501dad 100644
--- a/imperative/python/src/numpy_dtypes_intbx.cpp
+++ b/imperative/python/src/numpy_dtypes_intbx.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/numpy_dtypes_intbx.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/ops.cpp b/imperative/python/src/ops.cpp
index b5083e9c906f065774ff32850a1edb7ac2d82d92..edd7f43d47e843e936aeed1b1455ed2afd8e4cb5 100644
--- a/imperative/python/src/ops.cpp
+++ b/imperative/python/src/ops.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/ops.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/ops.h b/imperative/python/src/ops.h
index eed111b1d547fb39dea3f3b89c69d0b1df14dc12..1beba75b322556f906100f7062748d4173151938 100644
--- a/imperative/python/src/ops.h
+++ b/imperative/python/src/ops.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/ops.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/pyext17.h b/imperative/python/src/pyext17.h
index 63c161ead6af7a841666064f4d4361ef4c1a4ddf..feced95173019d4fa19a5a3c50f3e157a40f3467 100644
--- a/imperative/python/src/pyext17.h
+++ b/imperative/python/src/pyext17.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/pyext17.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/tensor.cpp b/imperative/python/src/tensor.cpp
index 57c8f8ff2efb21bbf9f7b99f077232f35111cd1d..a6fecc61e37bf089addec93a32dbaf999f832cad 100644
--- a/imperative/python/src/tensor.cpp
+++ b/imperative/python/src/tensor.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/tensor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/tensor.h b/imperative/python/src/tensor.h
index 0345ed3f3d9aa7b7cb0da566bfd4021c6836c605..2cd721329627778fe39f0876cb6793e737e69b41 100644
--- a/imperative/python/src/tensor.h
+++ b/imperative/python/src/tensor.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/tensor.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/trace.cpp b/imperative/python/src/trace.cpp
index e99538633695c109d7150ffe3311d3629b8d9dfc..3a477e244fc57e4296a16e5b670dbb5b913e5973 100644
--- a/imperative/python/src/trace.cpp
+++ b/imperative/python/src/trace.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/trace.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/trace.h b/imperative/python/src/trace.h
index ab56e86034252e4e1c02a6b5a260a8634c007c76..053058481a1654d9af1d1877ff6eba7a7f197357 100644
--- a/imperative/python/src/trace.h
+++ b/imperative/python/src/trace.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/trace.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/trace_info.h b/imperative/python/src/trace_info.h
index e41ecc6b5edc08a04efdb3dbaf9d948c0c68a945..11736ca7bec6a1c4a195b9ee54ba047e9c7d271d 100644
--- a/imperative/python/src/trace_info.h
+++ b/imperative/python/src/trace_info.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/trace_info.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/utils.cpp b/imperative/python/src/utils.cpp
index 0e7274d9a3143bbcaa708b1ccd52a2371feaf357..b3e7c7f17a284f66240ce8058f412bcbbda93fc8 100644
--- a/imperative/python/src/utils.cpp
+++ b/imperative/python/src/utils.cpp
@@ -2,7 +2,7 @@
  * \file imperative/python/src/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/src/utils.h b/imperative/python/src/utils.h
index a1fcbce6f654d9d99712824ccb3146efe799698e..5778c6b7fbaa19b118694f7fcb41601af7dc7682 100644
--- a/imperative/python/src/utils.h
+++ b/imperative/python/src/utils.h
@@ -2,7 +2,7 @@
  * \file imperative/python/src/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_advance_indexing.py b/imperative/python/test/integration/test_advance_indexing.py
index 8088d9f9c320efe51ab2bacedadff692fcafd456..22e9534095b22fe7f97c17f76628e875ee700337 100644
--- a/imperative/python/test/integration/test_advance_indexing.py
+++ b/imperative/python/test/integration/test_advance_indexing.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_ai.py b/imperative/python/test/integration/test_ai.py
index dd45616cd4c02a06a4ce0d277811adceb99c5f34..47a3216f995a285dd3c28c9b67782fddba1705b4 100644
--- a/imperative/python/test/integration/test_ai.py
+++ b/imperative/python/test/integration/test_ai.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_bn.py b/imperative/python/test/integration/test_bn.py
index 89e61dd6556a3cab8851d203aa2e6f9e3d2a8f0e..84d92a35ec1e86ad532afd9315ef5ca4580b17f3 100644
--- a/imperative/python/test/integration/test_bn.py
+++ b/imperative/python/test/integration/test_bn.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_converge.py b/imperative/python/test/integration/test_converge.py
index d16570c7fe4401883d49363eac825a255a86762b..35de394b76006715890949c8749a309abc4d3c28 100644
--- a/imperative/python/test/integration/test_converge.py
+++ b/imperative/python/test/integration/test_converge.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_converge_with_swap_and_drop.py b/imperative/python/test/integration/test_converge_with_swap_and_drop.py
index 3da5ae55340172f4880d1b71022f8d85255a4b96..d36863ea710f788826be862e9a6f33873448fc92 100644
--- a/imperative/python/test/integration/test_converge_with_swap_and_drop.py
+++ b/imperative/python/test/integration/test_converge_with_swap_and_drop.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_correctness.py b/imperative/python/test/integration/test_correctness.py
index 4ef307895a0d28e32b043734fe538e6b94bad9e7..bdd6b3263c41270b851f0ab70522943b0429e992 100644
--- a/imperative/python/test/integration/test_correctness.py
+++ b/imperative/python/test/integration/test_correctness.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_detach.py b/imperative/python/test/integration/test_detach.py
index b441425d856566430c0e7f6c3010e1cd18fc4c79..368937b26b67e3b869fb9b81b1457064fa38d625 100644
--- a/imperative/python/test/integration/test_detach.py
+++ b/imperative/python/test/integration/test_detach.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_dp_correctness.py b/imperative/python/test/integration/test_dp_correctness.py
index 85dad2b4a3a2439cf095e9bcef2f5c28f1cca43c..173d4779ec35c9a2f8e9512a80bd2d7ec48b5dfe 100644
--- a/imperative/python/test/integration/test_dp_correctness.py
+++ b/imperative/python/test/integration/test_dp_correctness.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_hello_world.py b/imperative/python/test/integration/test_hello_world.py
index d49221864cf26476162514109e8a04c7df6b597f..7dd55de84dc4e94d3f93fcd65cbe7d8758dafb6a 100644
--- a/imperative/python/test/integration/test_hello_world.py
+++ b/imperative/python/test/integration/test_hello_world.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_lr_scheduler.py b/imperative/python/test/integration/test_lr_scheduler.py
index c3f42af98728ed7805f7440d3a07a94d3c3413f7..31958bba2c3ea12e1cca51df80e78fa5ceffed0b 100644
--- a/imperative/python/test/integration/test_lr_scheduler.py
+++ b/imperative/python/test/integration/test_lr_scheduler.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_optimizer.py b/imperative/python/test/integration/test_optimizer.py
index c9e63da27cf65c968f3cb3ae4232552b7bd74007..28b84fe8c581ac1eab15ae1c04d79f384d080e70 100644
--- a/imperative/python/test/integration/test_optimizer.py
+++ b/imperative/python/test/integration/test_optimizer.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_param_pack.py b/imperative/python/test/integration/test_param_pack.py
index 44f1afeda82b5cead143a943f42dc58c6c79fa56..ddb9222d49780b24049753913d80ad90441a0010 100644
--- a/imperative/python/test/integration/test_param_pack.py
+++ b/imperative/python/test/integration/test_param_pack.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_save_load.py b/imperative/python/test/integration/test_save_load.py
index cfa65680f641dfd77a00107656b47f7521b15db6..96434d234fdc77e1a28071e660f066c42218dff0 100644
--- a/imperative/python/test/integration/test_save_load.py
+++ b/imperative/python/test/integration/test_save_load.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_sgd_momentum.py b/imperative/python/test/integration/test_sgd_momentum.py
index 385dac24b1c440728016d14805279cbf09e52336..5e53ee8930ca59d9b23ff0f51595a21468071c2a 100644
--- a/imperative/python/test/integration/test_sgd_momentum.py
+++ b/imperative/python/test/integration/test_sgd_momentum.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/integration/test_trace_dump.py b/imperative/python/test/integration/test_trace_dump.py
index 73bad2f28758526ca724a146268c01e44fac33f4..e0b876c516d545ec2a5f3dc837e027e5daa0892c 100644
--- a/imperative/python/test/integration/test_trace_dump.py
+++ b/imperative/python/test/integration/test_trace_dump.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/autodiff/test_grad_manger.py b/imperative/python/test/unit/autodiff/test_grad_manger.py
index 0761d973d421caa03d1835d505ee81e537a92790..1dcd1b682e1fbae2828293de8da5c9df3c3c8486 100644
--- a/imperative/python/test/unit/autodiff/test_grad_manger.py
+++ b/imperative/python/test/unit/autodiff/test_grad_manger.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_autodiff.py b/imperative/python/test/unit/core/test_autodiff.py
index 57808c8dba65470f5d0aa6da616e6dbc575a34ae..4f5e309d7d9aa96f2aa2226f86c699208a4b858a 100644
--- a/imperative/python/test/unit/core/test_autodiff.py
+++ b/imperative/python/test/unit/core/test_autodiff.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_dtype_bfloat16.py b/imperative/python/test/unit/core/test_dtype_bfloat16.py
index 510d179ef81aa25c8a445f3db4045922bac7b734..38b88597c94314b70167e12f21fe9a381efeaa5c 100644
--- a/imperative/python/test/unit/core/test_dtype_bfloat16.py
+++ b/imperative/python/test/unit/core/test_dtype_bfloat16.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_dtype_intbx.py b/imperative/python/test/unit/core/test_dtype_intbx.py
index 1b3449e2730d945f38ae5117c6957220ea8228ee..24a236072af8f41732bf053c9242c3b236dfd9f4 100644
--- a/imperative/python/test/unit/core/test_dtype_intbx.py
+++ b/imperative/python/test/unit/core/test_dtype_intbx.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_dtype_quant.py b/imperative/python/test/unit/core/test_dtype_quant.py
index aa1bfbef513ea79c09e9c288db2c632325ff0f94..20e53dd7bf7b98fee67406592f162fca3e308017 100644
--- a/imperative/python/test/unit/core/test_dtype_quant.py
+++ b/imperative/python/test/unit/core/test_dtype_quant.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_function.py b/imperative/python/test/unit/core/test_function.py
index de4094323ecd8f662130e3376ce393a09e974c12..84153b58a165b9e9ee903badb1ebe92ce88fc4af 100644
--- a/imperative/python/test/unit/core/test_function.py
+++ b/imperative/python/test/unit/core/test_function.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_imperative_rt.py b/imperative/python/test/unit/core/test_imperative_rt.py
index efc781e5d0cb680680f294958df1e6de15d9ab1f..4934eecf100966a4c0cd477f8e9dba6c86d4f14c 100644
--- a/imperative/python/test/unit/core/test_imperative_rt.py
+++ b/imperative/python/test/unit/core/test_imperative_rt.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_indexing_op.py b/imperative/python/test/unit/core/test_indexing_op.py
index 78df3f1774ba1c27b53e586d183078d3a45ddee2..be4d918a6f840d8195dc953dd3c9e69bea18c30e 100644
--- a/imperative/python/test/unit/core/test_indexing_op.py
+++ b/imperative/python/test/unit/core/test_indexing_op.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_megbrain_graph.py b/imperative/python/test/unit/core/test_megbrain_graph.py
index 34f793e9a27c3410eb08c05c4c44b9620ff9d598..cdba3dc940dd6d4f0cbd8f0cc4caed2d6836f49c 100644
--- a/imperative/python/test/unit/core/test_megbrain_graph.py
+++ b/imperative/python/test/unit/core/test_megbrain_graph.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_raw_tensor.py b/imperative/python/test/unit/core/test_raw_tensor.py
index 5f9aa8875d3cfeb52be131a7457cca0000d64a6d..c8a88453108f9243d82a18b79a4cb77763870aa3 100644
--- a/imperative/python/test/unit/core/test_raw_tensor.py
+++ b/imperative/python/test/unit/core/test_raw_tensor.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_serialization.py b/imperative/python/test/unit/core/test_serialization.py
index 5a5991aebcbdc71a27d31ffaf4ca796429b9f894..0a974fac8516abe8d90a00443e9fb0e5bd4c0fe8 100644
--- a/imperative/python/test/unit/core/test_serialization.py
+++ b/imperative/python/test/unit/core/test_serialization.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_tensor_wrapper.py b/imperative/python/test/unit/core/test_tensor_wrapper.py
index 89274d4f08acc71f193ae3ed5cb36a160ab90a0c..099dcccae6b1e1d47495b2ae478e13b69d131c1b 100644
--- a/imperative/python/test/unit/core/test_tensor_wrapper.py
+++ b/imperative/python/test/unit/core/test_tensor_wrapper.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/core/test_util.py b/imperative/python/test/unit/core/test_util.py
index 414dbd21137d9d6c66096fa61bd83617d0b876ad..c05d886cb43870a8871907773d705a73955fa336 100644
--- a/imperative/python/test/unit/core/test_util.py
+++ b/imperative/python/test/unit/core/test_util.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/data/test_dataloader.py b/imperative/python/test/unit/data/test_dataloader.py
index 4897e26e54d32db38b3fd139b3cb58444fae5463..59d683835acd999da1b9751a5fdffde7f41a2361 100644
--- a/imperative/python/test/unit/data/test_dataloader.py
+++ b/imperative/python/test/unit/data/test_dataloader.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/data/test_dataset.py b/imperative/python/test/unit/data/test_dataset.py
index 4df34921e20cab56b1af7fe9c5dddc1e9623ce66..3f0ce40659c9193dda50bb1c6b681c47e71dc6c1 100644
--- a/imperative/python/test/unit/data/test_dataset.py
+++ b/imperative/python/test/unit/data/test_dataset.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/data/test_sampler.py b/imperative/python/test/unit/data/test_sampler.py
index bc399e8641ede2d6ceffd1f10e714975a40c2afc..081dba5df338a49ae90f89479a2300acd55f5bb8 100644
--- a/imperative/python/test/unit/data/test_sampler.py
+++ b/imperative/python/test/unit/data/test_sampler.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/data/test_transform.py b/imperative/python/test/unit/data/test_transform.py
index d438d8b538d06587cb11720df5583d6f95896978..7fce8bf02e1d9dfb58fd240ad0600a80fffae536 100644
--- a/imperative/python/test/unit/data/test_transform.py
+++ b/imperative/python/test/unit/data/test_transform.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/distributed/test_distributed.py b/imperative/python/test/unit/distributed/test_distributed.py
index 2485d03e78e908d9016a193aaa6e05197f0a7f6a..cd3c88199661cd3eae5d758e36e74c786f5bfe02 100644
--- a/imperative/python/test/unit/distributed/test_distributed.py
+++ b/imperative/python/test/unit/distributed/test_distributed.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/functional/test_elemwise.py b/imperative/python/test/unit/functional/test_elemwise.py
index a089d006612cccf772c5b25227bef9839a632d64..88ed25382a447fc9558693470cffc205ecdd2dd8 100644
--- a/imperative/python/test/unit/functional/test_elemwise.py
+++ b/imperative/python/test/unit/functional/test_elemwise.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/functional/test_functional.py b/imperative/python/test/unit/functional/test_functional.py
index 5b333f260f4a807ef8106f6ef1d9a6cb11869441..13223a80d0c1e7c3579f60b6cca7e916e04c9f6e 100644
--- a/imperative/python/test/unit/functional/test_functional.py
+++ b/imperative/python/test/unit/functional/test_functional.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/functional/test_functional_distributed.py b/imperative/python/test/unit/functional/test_functional_distributed.py
index 09125d562220dee27416f3760c88e1e1adb07d79..cf93d6a88534fabdacef5a83bb0c68b752740b35 100644
--- a/imperative/python/test/unit/functional/test_functional_distributed.py
+++ b/imperative/python/test/unit/functional/test_functional_distributed.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/functional/test_loss.py b/imperative/python/test/unit/functional/test_loss.py
index 7774a9f0a4701985b24c2e621369ef2996bd9139..a1ee43e4fa1b54ce7993a755c86a2f313457543e 100644
--- a/imperative/python/test/unit/functional/test_loss.py
+++ b/imperative/python/test/unit/functional/test_loss.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/functional/test_math.py b/imperative/python/test/unit/functional/test_math.py
index 367b50a88b366850c78726e4e7dca15d9ebd5174..acff5858e40d1cf608b13b125fcb2057f293f839 100644
--- a/imperative/python/test/unit/functional/test_math.py
+++ b/imperative/python/test/unit/functional/test_math.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/functional/test_tensor.py b/imperative/python/test/unit/functional/test_tensor.py
index 235f1975472ba155c70b88b4ee83b3cbc87ae2e5..104ca6e7ebe3237350a06ae1399e9ac71200b744 100644
--- a/imperative/python/test/unit/functional/test_tensor.py
+++ b/imperative/python/test/unit/functional/test_tensor.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_activation.py b/imperative/python/test/unit/module/test_activation.py
index 8212b47e81a98b264d7968668bfc1710778a87ab..993da4ea0315ce62dd5c035441704476a6b4bd12 100644
--- a/imperative/python/test/unit/module/test_activation.py
+++ b/imperative/python/test/unit/module/test_activation.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_batchnorm.py b/imperative/python/test/unit/module/test_batchnorm.py
index ba440820731bca51e1bd318dcdcd66c2af47c2e1..c5224bd79619636f4748e38966cd545ba485e663 100644
--- a/imperative/python/test/unit/module/test_batchnorm.py
+++ b/imperative/python/test/unit/module/test_batchnorm.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_conv.py b/imperative/python/test/unit/module/test_conv.py
index 5d06e5de9d752085d714b1cac4d8df2407e414b3..6c51deb62e7eac4a5339c024f059882376176a71 100644
--- a/imperative/python/test/unit/module/test_conv.py
+++ b/imperative/python/test/unit/module/test_conv.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_elemwise.py b/imperative/python/test/unit/module/test_elemwise.py
index f9b5094fda5d978c0253a9b6a6ae0c06bd0ddb44..4e400797531d9785ca31eac11dfb8844498fb1f4 100644
--- a/imperative/python/test/unit/module/test_elemwise.py
+++ b/imperative/python/test/unit/module/test_elemwise.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_external.py b/imperative/python/test/unit/module/test_external.py
index a39ea4a5802e2d8468ce76e4c33812f8c9e0b139..6b074f70c6a5ae49ea0f0f9abc5b706860b702ad 100644
--- a/imperative/python/test/unit/module/test_external.py
+++ b/imperative/python/test/unit/module/test_external.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_init.py b/imperative/python/test/unit/module/test_init.py
index e12acb3e0cdccf011acfd5ca1875b9d0cdf783fe..9f3a019eadd521a72617f2027c2f7f95eddc0f6f 100644
--- a/imperative/python/test/unit/module/test_init.py
+++ b/imperative/python/test/unit/module/test_init.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_module.py b/imperative/python/test/unit/module/test_module.py
index a38c227aa0941bbf7352e2b031c42410f59e304c..bff7d9ed6fae373ece95b7768a355eb72c2a4a89 100644
--- a/imperative/python/test/unit/module/test_module.py
+++ b/imperative/python/test/unit/module/test_module.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_module_tensor.py b/imperative/python/test/unit/module/test_module_tensor.py
index 773bf373a05ee1f76586f029783c3495fd0c337f..bbc9698b495eb687c7281a27cb2660fc6576774e 100644
--- a/imperative/python/test/unit/module/test_module_tensor.py
+++ b/imperative/python/test/unit/module/test_module_tensor.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/module/test_normalization.py b/imperative/python/test/unit/module/test_normalization.py
index 49e0280306c2aa9b78207bd9619eeec790c62c6b..f314f23d1c16c8b3263ee2a792dbc5fd4a76d924 100644
--- a/imperative/python/test/unit/module/test_normalization.py
+++ b/imperative/python/test/unit/module/test_normalization.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/quantization/test_fake_quant.py b/imperative/python/test/unit/quantization/test_fake_quant.py
index e0b0384d345d9cbeb3a484185a98eb250673e362..a11edff38eb1d5748bd2fdbbb1dcb2b76b005eda 100644
--- a/imperative/python/test/unit/quantization/test_fake_quant.py
+++ b/imperative/python/test/unit/quantization/test_fake_quant.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/quantization/test_quantize.py b/imperative/python/test/unit/quantization/test_quantize.py
index 0ce72422c58e1cf0ff2286dbb4ec21fb6124d489..6595354345a62d3214f5c664807b9e05897130a8 100644
--- a/imperative/python/test/unit/quantization/test_quantize.py
+++ b/imperative/python/test/unit/quantization/test_quantize.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/test_cgtools.py b/imperative/python/test/unit/test_cgtools.py
index c263ad1f44075386bf3f926ea2d294d1b33e9d1d..0c240dce9a5e22f584c3e20435a622753ac28f27 100644
--- a/imperative/python/test/unit/test_cgtools.py
+++ b/imperative/python/test/unit/test_cgtools.py
@@ -1,6 +1,6 @@
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/python/test/unit/test_tracing.py b/imperative/python/test/unit/test_tracing.py
index ca0a5328b2875db36f959b2ceea9e9ccc9f78fa0..f3a570e1637a12d06e4c8d855bcef823505f4d88 100644
--- a/imperative/python/test/unit/test_tracing.py
+++ b/imperative/python/test/unit/test_tracing.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/imperative/src/impl/backward_graph_opt.cpp b/imperative/src/impl/backward_graph_opt.cpp
index 08f37ce1996d9daad715c853e764b5c1e1728b23..9e59a8aa56b4e9998a60186bb24a505c1a49a05c 100644
--- a/imperative/src/impl/backward_graph_opt.cpp
+++ b/imperative/src/impl/backward_graph_opt.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/backward_graph_opt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/blob_manager_impl.cpp b/imperative/src/impl/blob_manager_impl.cpp
index af4f46cf1442fb34a008cc38c3ea40932a229c40..8682c81fe0f847710a39696cbdcbd01a84ad69ae 100644
--- a/imperative/src/impl/blob_manager_impl.cpp
+++ b/imperative/src/impl/blob_manager_impl.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/blob_manager_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/blob_manager_impl.h b/imperative/src/impl/blob_manager_impl.h
index 9502c66bec72170764bf7e3af499acc1e767b77a..e451ae4e3d60f2d3e7b2a09584b2efe50c6a97f0 100644
--- a/imperative/src/impl/blob_manager_impl.h
+++ b/imperative/src/impl/blob_manager_impl.h
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/blob_manager_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/dnn_op_helper.h b/imperative/src/impl/dnn_op_helper.h
index 81222c83bb1a5c10da39489dd4ccfb1b1e9e82a1..67d967a33b8ff0f532df468c18125b96bb8d0fcb 100644
--- a/imperative/src/impl/dnn_op_helper.h
+++ b/imperative/src/impl/dnn_op_helper.h
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/dnn_op_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/function_hook.h b/imperative/src/impl/function_hook.h
index 759b389b873b963828d3d8dc9da474a8a84e708c..70f3d39857ddef5df378894180dbff6fa9f4dfbf 100644
--- a/imperative/src/impl/function_hook.h
+++ b/imperative/src/impl/function_hook.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/function_hook.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/interpreter_impl.cpp b/imperative/src/impl/interpreter_impl.cpp
index 7be91f180acaf841580333f2a2a7792892930dc3..dbd91e1255334ded3e213e12c7192fa60a4179a3 100644
--- a/imperative/src/impl/interpreter_impl.cpp
+++ b/imperative/src/impl/interpreter_impl.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/interpreter_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/interpreter_impl.h b/imperative/src/impl/interpreter_impl.h
index 979201dd090f88ef754b65bfa22c63a5ee1db532..01160a6f24ed150d966fc957a41d5e8ab7859362 100644
--- a/imperative/src/impl/interpreter_impl.h
+++ b/imperative/src/impl/interpreter_impl.h
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/interpreter_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/op_def.cpp b/imperative/src/impl/op_def.cpp
index 2ec350d447e777fd22d5dbe2bc05e74c3bc4c98f..db7476224f0fb59d3868dbe84f3283281119b883 100644
--- a/imperative/src/impl/op_def.cpp
+++ b/imperative/src/impl/op_def.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/op_def.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/op_trait.cpp b/imperative/src/impl/op_trait.cpp
index 6f665bd698107a252011f14a541dcfcb4221a118..ba84111d487e56ce67008908f80dfe1f2582bcac 100644
--- a/imperative/src/impl/op_trait.cpp
+++ b/imperative/src/impl/op_trait.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/op_trait.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/op_trait.h b/imperative/src/impl/op_trait.h
index c8b5c162922ce5bfbf7918b7cedce276fbcd4a69..23a49068fb12fb643d62d30427a44aaef4236cf3 100644
--- a/imperative/src/impl/op_trait.h
+++ b/imperative/src/impl/op_trait.h
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/op_trait.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/opr_utility.cpp b/imperative/src/impl/opr_utility.cpp
index d0a2e64f5998a9578ca366fd729896f238401220..4b6914bc8c1e45b83469720f47f6991ec7b8b750 100644
--- a/imperative/src/impl/opr_utility.cpp
+++ b/imperative/src/impl/opr_utility.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/opr_utility.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/autogen.cpp b/imperative/src/impl/ops/autogen.cpp
index 4956915e4bce552a21a9ab30db1d8a86539d765b..833a981b1717c5592c08eae00c26563a80254692 100644
--- a/imperative/src/impl/ops/autogen.cpp
+++ b/imperative/src/impl/ops/autogen.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/autogen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/backward_graph.cpp b/imperative/src/impl/ops/backward_graph.cpp
index 38ddd7690328b5d9d510943efe0ca8dd98a4623a..fb4c2a1ac11126ffc450ac66fa89fc2a4c9ce28d 100644
--- a/imperative/src/impl/ops/backward_graph.cpp
+++ b/imperative/src/impl/ops/backward_graph.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/backward_graph.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/batch_norm.cpp b/imperative/src/impl/ops/batch_norm.cpp
index e1db40ae00121712896b5f17878d8459c9445025..6acbe826e431131239885ba45dedab2a15a1edab 100644
--- a/imperative/src/impl/ops/batch_norm.cpp
+++ b/imperative/src/impl/ops/batch_norm.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/batch_norm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/broadcast.cpp b/imperative/src/impl/ops/broadcast.cpp
index 873a9693a55e6286b1fcf32f69bec7324a30eaa8..4602ecd2faa8242268849b20cec13b4d6ed021cc 100644
--- a/imperative/src/impl/ops/broadcast.cpp
+++ b/imperative/src/impl/ops/broadcast.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/broadcast.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/collective_comm.cpp b/imperative/src/impl/ops/collective_comm.cpp
index 42f8e9b0ab3de2e21d85e92cf4b01ca0a7b7c42f..03786b830fd00999d1719ef86e24626ef8c4b835 100644
--- a/imperative/src/impl/ops/collective_comm.cpp
+++ b/imperative/src/impl/ops/collective_comm.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/collective_comm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/cond_take.cpp b/imperative/src/impl/ops/cond_take.cpp
index 8d923e5f4d33bb9157730fa5a2a26337f5cf51f1..04083afdff6ada9814c65e0c4ba19940a68841eb 100644
--- a/imperative/src/impl/ops/cond_take.cpp
+++ b/imperative/src/impl/ops/cond_take.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/cond_take.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/elemwise.cpp b/imperative/src/impl/ops/elemwise.cpp
index bdd8b5b568129a534dd5dcbb425d21cd94edc627..f1aab9de22932d89225b947dbcd84afec8dd2c55 100644
--- a/imperative/src/impl/ops/elemwise.cpp
+++ b/imperative/src/impl/ops/elemwise.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/elemwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/io_remote.cpp b/imperative/src/impl/ops/io_remote.cpp
index 7a635cce6350d4fae6f2f83a1724e09e33bd10dd..99f83ea43acba670ac3d285aa409ee4155ef2880 100644
--- a/imperative/src/impl/ops/io_remote.cpp
+++ b/imperative/src/impl/ops/io_remote.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/io_remote.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/nms.cpp b/imperative/src/impl/ops/nms.cpp
index ff78f1220fed511775d158e51b7b7e8962ed3ac9..5898d31547be1db8eaf6c666aa349135fc40f74a 100644
--- a/imperative/src/impl/ops/nms.cpp
+++ b/imperative/src/impl/ops/nms.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/nms.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/opr_attr.cpp b/imperative/src/impl/ops/opr_attr.cpp
index 2792b7ab1842a4e66f636794ad73449f56934383..d25132a9e82c21788191043bf82b41bcb4a4bcd1 100644
--- a/imperative/src/impl/ops/opr_attr.cpp
+++ b/imperative/src/impl/ops/opr_attr.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/opr_attr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/specializations.cpp b/imperative/src/impl/ops/specializations.cpp
index f56e2df8eb658b624f47e393633aa0391941d8b7..e7f9088b99b6180674fcfa78a6c89194edb9dab7 100644
--- a/imperative/src/impl/ops/specializations.cpp
+++ b/imperative/src/impl/ops/specializations.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/autogen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/tensor_manip.cpp b/imperative/src/impl/ops/tensor_manip.cpp
index ae5b4c68fd480da7e22c0356f7cdb410805013ff..3dd5ed942b53b02920f32c7c65a98bf6f312f008 100644
--- a/imperative/src/impl/ops/tensor_manip.cpp
+++ b/imperative/src/impl/ops/tensor_manip.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/tensor_manip.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/ops/utility.cpp b/imperative/src/impl/ops/utility.cpp
index 5ec2d4ef58534c0afcbc87398f6de0a9ada2d5ba..d6084e339a0e4343037e8a70d0ee71e86c5fcadb 100644
--- a/imperative/src/impl/ops/utility.cpp
+++ b/imperative/src/impl/ops/utility.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/ops/utility.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/physical_tensor.cpp b/imperative/src/impl/physical_tensor.cpp
index b4a76626d4cbf9ca7df932a6b376f0e6f3dfeb5a..2fb7201093d5c62a87d69a48d30be8d950acbd20 100644
--- a/imperative/src/impl/physical_tensor.cpp
+++ b/imperative/src/impl/physical_tensor.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/physical_tensor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/profiler.cpp b/imperative/src/impl/profiler.cpp
index 2f1d83ed997efef43c391c98c616fbcbb83aa32a..ad90582b349babb1b3d179c1c3a90f62fdae7b97 100644
--- a/imperative/src/impl/profiler.cpp
+++ b/imperative/src/impl/profiler.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/profiler.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/proxy_graph.cpp b/imperative/src/impl/proxy_graph.cpp
index c48d8f571d8157f3c76068838875ab9ea3b110f7..d7fb711bc8952836a38e4ee9f526bf6cc36068a8 100644
--- a/imperative/src/impl/proxy_graph.cpp
+++ b/imperative/src/impl/proxy_graph.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/proxy_graph.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/proxy_graph.h b/imperative/src/impl/proxy_graph.h
index 8a0e16a6e427a266dd04dc63c6f3eca117935cdc..4fc7dcfc4a1fafdcf5e8f57a820142578f2c6e98 100644
--- a/imperative/src/impl/proxy_graph.h
+++ b/imperative/src/impl/proxy_graph.h
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/proxy_graph.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/proxy_graph_detail.cpp b/imperative/src/impl/proxy_graph_detail.cpp
index 6603d569aabb3b9df2b9ff5c5ba628063fa2abe6..46f5e542d90b8561b4f3810e964056dd7efd2ba7 100644
--- a/imperative/src/impl/proxy_graph_detail.cpp
+++ b/imperative/src/impl/proxy_graph_detail.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/impl/proxy_graph_detail.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/impl/tensor_sanity_check.cpp b/imperative/src/impl/tensor_sanity_check.cpp
index 4d998da2c555a47d14a76027668e5e63ebdeeeda..23425124b7429c16c913663c439af5d0dbd7c8ec 100644
--- a/imperative/src/impl/tensor_sanity_check.cpp
+++ b/imperative/src/impl/tensor_sanity_check.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2019 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/imperative/src/include/megbrain/imperative.h b/imperative/src/include/megbrain/imperative.h
index ca62217d446813731486b17bfeea9ddf89f7a667..910dad5618f2f93d7bd3a30306838b3cc7fac333 100644
--- a/imperative/src/include/megbrain/imperative.h
+++ b/imperative/src/include/megbrain/imperative.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/backward_graph_opt.h b/imperative/src/include/megbrain/imperative/backward_graph_opt.h
index 457c40f4afa8b4adfe8f9337f7a63f8c8968c3cd..7b2494415b13e39a476c974d54990979927cb16b 100644
--- a/imperative/src/include/megbrain/imperative/backward_graph_opt.h
+++ b/imperative/src/include/megbrain/imperative/backward_graph_opt.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/backward_graph_opt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/blob_manager.h b/imperative/src/include/megbrain/imperative/blob_manager.h
index c885d5d2340f1df1829fd383e9cf9eebf044d427..809a2d67958ba1259d498ffe5b77ade5d9da3704 100644
--- a/imperative/src/include/megbrain/imperative/blob_manager.h
+++ b/imperative/src/include/megbrain/imperative/blob_manager.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/blob_manager.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/interpreter.h b/imperative/src/include/megbrain/imperative/interpreter.h
index cde1ddb3a21629f8dd83e968f221085ee186043f..a350c0042c3ce3d778fc9e522619537da899f401 100644
--- a/imperative/src/include/megbrain/imperative/interpreter.h
+++ b/imperative/src/include/megbrain/imperative/interpreter.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/interpreter.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/op_def.h b/imperative/src/include/megbrain/imperative/op_def.h
index 5f250ac421cfc3834e86900ca2e19033aa5724bb..ce37625d7294c9583b0330ad0d75ed90ba942ef4 100644
--- a/imperative/src/include/megbrain/imperative/op_def.h
+++ b/imperative/src/include/megbrain/imperative/op_def.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/op_def.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/opr_utility.h b/imperative/src/include/megbrain/imperative/opr_utility.h
index b619df06a6052a3fb142f238dcabff40e4bcd16d..74f6b198ee0ac2e11f08c02b58264ad0ed4ac51e 100644
--- a/imperative/src/include/megbrain/imperative/opr_utility.h
+++ b/imperative/src/include/megbrain/imperative/opr_utility.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/opr_utility.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/ops/autogen.h b/imperative/src/include/megbrain/imperative/ops/autogen.h
index a17b495d5c803515a91423ee3ea1a1ef41a16a19..96e39a52035c5a7fed62e85cb95605253fa97308 100644
--- a/imperative/src/include/megbrain/imperative/ops/autogen.h
+++ b/imperative/src/include/megbrain/imperative/ops/autogen.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/ops/autogen.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/ops/backward_graph.h b/imperative/src/include/megbrain/imperative/ops/backward_graph.h
index 0df4d12833abfb0cb6d921223332cf6956b31163..c831e7ed6ed6a8db9a3bb6d8312953dbbd6ec194 100644
--- a/imperative/src/include/megbrain/imperative/ops/backward_graph.h
+++ b/imperative/src/include/megbrain/imperative/ops/backward_graph.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/ops/backward_graph.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/ops/opr_attr.h b/imperative/src/include/megbrain/imperative/ops/opr_attr.h
index da011c7e501daaee08567b9f7f4880f7de508e78..9ac92a5e333c98fd08c7969507555b413e8dc20d 100644
--- a/imperative/src/include/megbrain/imperative/ops/opr_attr.h
+++ b/imperative/src/include/megbrain/imperative/ops/opr_attr.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/ops/opr_attr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/ops/utility.h b/imperative/src/include/megbrain/imperative/ops/utility.h
index b688e986b2384764b430bf5087ca18ef3c3c417c..609995a4ed6948df37d3fd346d46b1ffd40cfe8f 100644
--- a/imperative/src/include/megbrain/imperative/ops/utility.h
+++ b/imperative/src/include/megbrain/imperative/ops/utility.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/ops/utility.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/physical_tensor.h b/imperative/src/include/megbrain/imperative/physical_tensor.h
index f9a090c8a937e2ef694bf502df1d7b61534a81f1..114c60052498794155eb025aa8935123039eae7a 100644
--- a/imperative/src/include/megbrain/imperative/physical_tensor.h
+++ b/imperative/src/include/megbrain/imperative/physical_tensor.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/physical_tensor.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/profiler.h b/imperative/src/include/megbrain/imperative/profiler.h
index b24522420e5758cef4a903a7401181d795b053a2..6d05003bd98f0b31d988042eaf28decd873b5409 100644
--- a/imperative/src/include/megbrain/imperative/profiler.h
+++ b/imperative/src/include/megbrain/imperative/profiler.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/profiler.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/proxy_graph_detail.h b/imperative/src/include/megbrain/imperative/proxy_graph_detail.h
index de6f02f5514db734ab2d73333fcf85c3b4c27bc8..2e2544ef1daf7847a35968123ab5661a6a64bd8c 100644
--- a/imperative/src/include/megbrain/imperative/proxy_graph_detail.h
+++ b/imperative/src/include/megbrain/imperative/proxy_graph_detail.h
@@ -2,7 +2,7 @@
  * \file imperative/src/include/megbrain/imperative/proxy_graph_detail.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/include/megbrain/imperative/tensor_sanity_check.h b/imperative/src/include/megbrain/imperative/tensor_sanity_check.h
index b6e849d302eede311915c677f1c99d76f34f4b72..f26a5b34b3de31f2044227f8a137e3e0abae78fa 100644
--- a/imperative/src/include/megbrain/imperative/tensor_sanity_check.h
+++ b/imperative/src/include/megbrain/imperative/tensor_sanity_check.h
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2019 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/imperative/src/test/backward_graph.cpp b/imperative/src/test/backward_graph.cpp
index 8830e429af81d07c0974b56aaadbbc23fe3d5bc0..9e83ed85107bbb4c3a7212a89e50435aeaefea81 100644
--- a/imperative/src/test/backward_graph.cpp
+++ b/imperative/src/test/backward_graph.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/test/backward_graph.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/test/collective_comm.cpp b/imperative/src/test/collective_comm.cpp
index 4c28fd659d09390392ed04f76585927ce89de631..5dc6ac2c7b90d98af584d8593ca7f0b90950b8f6 100644
--- a/imperative/src/test/collective_comm.cpp
+++ b/imperative/src/test/collective_comm.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/test/collective_comm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/test/cond_take.cpp b/imperative/src/test/cond_take.cpp
index 9eca1c4dad0ebf79db4dc143d365d94094415b95..a778c4ce9b74c175855d23e5e0379cd50370fead 100644
--- a/imperative/src/test/cond_take.cpp
+++ b/imperative/src/test/cond_take.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/test/cond_take.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/test/helper.cpp b/imperative/src/test/helper.cpp
index 2c2d19e304e026db1aff267380900311ee0c4d0c..685fd05905ce65f1c050b0d350ac39df4648019e 100644
--- a/imperative/src/test/helper.cpp
+++ b/imperative/src/test/helper.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/test/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/test/helper.h b/imperative/src/test/helper.h
index 441fe0b3cb2d77b41a7547c22ce058383eda1117..22dbbb9e10c4134dd99626c5b9e19279ebb44e54 100644
--- a/imperative/src/test/helper.h
+++ b/imperative/src/test/helper.h
@@ -2,7 +2,7 @@
  * \file imperative/src/test/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/test/imperative.cpp b/imperative/src/test/imperative.cpp
index 5a5ccf0719c3d5e59b83a50d24f95b2b66de113d..d29ef19ecf7da514ce9ed8b5457675d2ce1a88e9 100644
--- a/imperative/src/test/imperative.cpp
+++ b/imperative/src/test/imperative.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/test/imperative.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/test/io_remote.cpp b/imperative/src/test/io_remote.cpp
index 051a14587e2311842f7f49670c33e27659cba9cd..1e6054f0b32b0269b9091a26cca1df498529a75d 100644
--- a/imperative/src/test/io_remote.cpp
+++ b/imperative/src/test/io_remote.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/test/io_remote.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/imperative/src/test/opr_utility.cpp b/imperative/src/test/opr_utility.cpp
index a078d419759e1f437d32d1d485cff46eedfc50f5..10c1f84f774575379cf633884d27cc35341fef5b 100644
--- a/imperative/src/test/opr_utility.cpp
+++ b/imperative/src/test/opr_utility.cpp
@@ -2,7 +2,7 @@
  * \file imperative/src/test/opr_utility.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/c-opr-loaders/mace/Makefile b/sdk/c-opr-loaders/mace/Makefile
index c054cab778827a4b2dba229dbb6de40d277fa946..211ae9e1ca6f5cc2400043ef6fbb09fe4cf97d18 100644
--- a/sdk/c-opr-loaders/mace/Makefile
+++ b/sdk/c-opr-loaders/mace/Makefile
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/sdk/c-opr-loaders/mace/dump_model.py b/sdk/c-opr-loaders/mace/dump_model.py
index f61ab83219a4481d6816a19dfc4ca883513c9da7..180689faa247c5c5a850efbc6ee91b32ca69b97d 100644
--- a/sdk/c-opr-loaders/mace/dump_model.py
+++ b/sdk/c-opr-loaders/mace/dump_model.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/sdk/c-opr-loaders/mace/mace_loader.cpp b/sdk/c-opr-loaders/mace/mace_loader.cpp
index e5b35673ba1505c56ff363715929db583e4dea8c..57d3c8ebcf011f373270a5e8a4b0e1aca8d5db7e 100644
--- a/sdk/c-opr-loaders/mace/mace_loader.cpp
+++ b/sdk/c-opr-loaders/mace/mace_loader.cpp
@@ -2,7 +2,7 @@
  * \file sdk/c-opr-loaders/mace/mace_loader.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/dump_with_testcase_mge.py b/sdk/load-and-run/dump_with_testcase_mge.py
index 04c256a09663bdf21021d2508bd7b46001c8c061..65c0134610d27c56f623646ce68ba03d87f2b680 100755
--- a/sdk/load-and-run/dump_with_testcase_mge.py
+++ b/sdk/load-and-run/dump_with_testcase_mge.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/main.cpp b/sdk/load-and-run/main.cpp
index 530a1a9584369ea1bc0c99696315d72fea653edd..b2d643f415b00fd84229403485a161de6bb01862 100644
--- a/sdk/load-and-run/main.cpp
+++ b/sdk/load-and-run/main.cpp
@@ -2,7 +2,7 @@
  * \file sdk/load-and-run/main.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/src/infile_persistent_cache.cpp b/sdk/load-and-run/src/infile_persistent_cache.cpp
index a80cdc434a71f626befa060af72b07da10a1c689..81444b7ae4b8eaba09ba6f7f419e44f364ad51f9 100644
--- a/sdk/load-and-run/src/infile_persistent_cache.cpp
+++ b/sdk/load-and-run/src/infile_persistent_cache.cpp
@@ -2,7 +2,7 @@
  * \file sdk/load-and-run/src/infile_persistent_cache.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/src/infile_persistent_cache.h b/sdk/load-and-run/src/infile_persistent_cache.h
index 3a39f6c579ab793741f6e9d0f4f0312ea53b0e96..33fcc2c2da8b2e46fdff3eea89308da06730337d 100644
--- a/sdk/load-and-run/src/infile_persistent_cache.h
+++ b/sdk/load-and-run/src/infile_persistent_cache.h
@@ -2,7 +2,7 @@
  * \file sdk/load-and-run/src/infile_persistent_cache.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/src/json_loader.cpp b/sdk/load-and-run/src/json_loader.cpp
index 44b785e724077f9aa0bf435fb3e65ff794e347d5..13b85dd0c6bb3d317c813fc0adb3e48c95ad237e 100644
--- a/sdk/load-and-run/src/json_loader.cpp
+++ b/sdk/load-and-run/src/json_loader.cpp
@@ -2,7 +2,7 @@
  * \file sdk/load-and-run/src/json_loader.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/src/json_loader.h b/sdk/load-and-run/src/json_loader.h
index 692ccc62f8644a1fc17ed764f123d5cc5a74a1c3..6e65a782f6b9c26ffa9bed268e7df851a09ecec7 100644
--- a/sdk/load-and-run/src/json_loader.h
+++ b/sdk/load-and-run/src/json_loader.h
@@ -2,7 +2,7 @@
  * \file sdk/load-and-run/src/json_loader.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/src/mgblar.cpp b/sdk/load-and-run/src/mgblar.cpp
index 1ccaa921e11b9d41debd1658dae8f861bdabc44e..fa131a7e55a7f7609d371b019bb51c1032770634 100644
--- a/sdk/load-and-run/src/mgblar.cpp
+++ b/sdk/load-and-run/src/mgblar.cpp
@@ -2,7 +2,7 @@
  * \file sdk/load-and-run/src/mgblar.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/src/mgblar.h b/sdk/load-and-run/src/mgblar.h
index adecd499656637ba799f4c5a658b3cb282c31f64..2fdff00d7a3857b194957786eedbe54c9e37d9f2 100644
--- a/sdk/load-and-run/src/mgblar.h
+++ b/sdk/load-and-run/src/mgblar.h
@@ -2,7 +2,7 @@
  * \file sdk/load-and-run/src/mgblar.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/sdk/load-and-run/test/json_loader_test.cpp b/sdk/load-and-run/test/json_loader_test.cpp
index db16be11fcd5235ba891ae3f2464e617d3ea570a..1bac85a9b2c415a6b1ef6e03476665577fdf5778 100644
--- a/sdk/load-and-run/test/json_loader_test.cpp
+++ b/sdk/load-and-run/test/json_loader_test.cpp
@@ -2,7 +2,7 @@
  * \file sdk/load-and-run/test/test_json_loader.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/cambricon/impl/cambricon_runtime_opr.cpp b/src/cambricon/impl/cambricon_runtime_opr.cpp
index cedc7d2c0086e3ea9815135120870d70493acc66..13b531f7c9eabfce8268118f1f6c32576398a34c 100644
--- a/src/cambricon/impl/cambricon_runtime_opr.cpp
+++ b/src/cambricon/impl/cambricon_runtime_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/cambricon/impl/cambricon_runtime_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/cambricon/impl/cambricon_runtime_opr.sereg.h b/src/cambricon/impl/cambricon_runtime_opr.sereg.h
index cf209e4c2d0f4ac01d4f44ac467f99dd526d2c60..f38973ffe8ff67e0f88e4ec950b9a2df93839978 100644
--- a/src/cambricon/impl/cambricon_runtime_opr.sereg.h
+++ b/src/cambricon/impl/cambricon_runtime_opr.sereg.h
@@ -2,7 +2,7 @@
  * \file src/cambricon/impl/cambricon_runtime_opr.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/cambricon/include/megbrain/cambricon/cambricon_runtime_opr.h b/src/cambricon/include/megbrain/cambricon/cambricon_runtime_opr.h
index ce9512219797079aed747c2919dc4ec58f2b3947..e3570ebc55c8048543582d3deae1dbceaf67a49f 100644
--- a/src/cambricon/include/megbrain/cambricon/cambricon_runtime_opr.h
+++ b/src/cambricon/include/megbrain/cambricon/cambricon_runtime_opr.h
@@ -2,7 +2,7 @@
  * \file src/cambricon/include/megbrain/cambricon/cambricon_runtime_opr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/cambricon/test/cambricon_runtime_opr.cpp b/src/cambricon/test/cambricon_runtime_opr.cpp
index b3beb73500d8bcc2ad56c5977aa0dbf51eb7d91a..a1de089d4e21d5a965506da741f180aeca192af6 100644
--- a/src/cambricon/test/cambricon_runtime_opr.cpp
+++ b/src/cambricon/test/cambricon_runtime_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/cambricon/test/cambricon_runtime_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/common.cpp b/src/core/impl/common.cpp
index 2d34290e14118ece1b95a55197973add9b79a301..9ea94cb6c5e3c6db3fd5299c56b3b5049724808d 100644
--- a/src/core/impl/common.cpp
+++ b/src/core/impl/common.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/common.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/atlas/comp_node.cpp b/src/core/impl/comp_node/atlas/comp_node.cpp
index f0d5fb1b1941487dee5340a838a9d96cd171dc36..ab71e0ad31c353ff346f026f061e212b22f4f5c1 100644
--- a/src/core/impl/comp_node/atlas/comp_node.cpp
+++ b/src/core/impl/comp_node/atlas/comp_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/atlas/comp_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/atlas/comp_node.h b/src/core/impl/comp_node/atlas/comp_node.h
index 644b183662c8d0ff980a246287ff18926e327760..1e0b3c6a88d3024ff8907b15e90ffbe51a969fbe 100644
--- a/src/core/impl/comp_node/atlas/comp_node.h
+++ b/src/core/impl/comp_node/atlas/comp_node.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/atlas/comp_node.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/cambricon/comp_node.cpp b/src/core/impl/comp_node/cambricon/comp_node.cpp
index da10e849dd4b802e7085b9d264659c1530bae6f1..c7f9da35188d46d8fcea2c53cae04bee41f32dc9 100644
--- a/src/core/impl/comp_node/cambricon/comp_node.cpp
+++ b/src/core/impl/comp_node/cambricon/comp_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/cambricon/comp_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/cambricon/comp_node.h b/src/core/impl/comp_node/cambricon/comp_node.h
index b4c04495b40bcaab74f9aaa19f0806e2493dcbeb..a810a55aec47c09966fc140a22384aede27ece2b 100644
--- a/src/core/impl/comp_node/cambricon/comp_node.h
+++ b/src/core/impl/comp_node/cambricon/comp_node.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/cambricon/comp_node.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/comp_node.cpp b/src/core/impl/comp_node/comp_node.cpp
index 907ccda2d57f6a8397a369acdea0bb16bbb3a67a..c276cac980b03dcdb0e2c8148bb9c58b69eba57e 100644
--- a/src/core/impl/comp_node/comp_node.cpp
+++ b/src/core/impl/comp_node/comp_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/comp_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/cpu/comp_node.cpp b/src/core/impl/comp_node/cpu/comp_node.cpp
index 903712a263b2b4078420fd766821f69dffa47e7d..c639e992ad3e0403f37af071412af11c3da1ef22 100644
--- a/src/core/impl/comp_node/cpu/comp_node.cpp
+++ b/src/core/impl/comp_node/cpu/comp_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/cpu/comp_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/cpu/comp_node.h b/src/core/impl/comp_node/cpu/comp_node.h
index 58ea7cca99b3334ae2a7105a9c74eb14b287cc89..57b60a0b4eec685e4ca7d198964cdbb07318fdea 100644
--- a/src/core/impl/comp_node/cpu/comp_node.h
+++ b/src/core/impl/comp_node/cpu/comp_node.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/cpu/comp_node.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/cuda/comp_node.cpp b/src/core/impl/comp_node/cuda/comp_node.cpp
index 6fb157f488be45f301084b156ff3d40dbef1f04f..dcfe549d47b8ea2973e1f084e92ad8c366ef3537 100644
--- a/src/core/impl/comp_node/cuda/comp_node.cpp
+++ b/src/core/impl/comp_node/cuda/comp_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/cuda/comp_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/cuda/comp_node.h b/src/core/impl/comp_node/cuda/comp_node.h
index b4fd8444e63484b4c7f43affd5e7dbe79b4ce040..6fe772fbe9ca437a4a1711a2e5947695b238fd7a 100644
--- a/src/core/impl/comp_node/cuda/comp_node.h
+++ b/src/core/impl/comp_node/cuda/comp_node.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/cuda/comp_node.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/impl_helper.cpp b/src/core/impl/comp_node/impl_helper.cpp
index cc078fa6dc7cc6bde7f84a1b368cd2d1d149fefb..8101c97b99ba01dc41b4e3a334d4b012058e554d 100644
--- a/src/core/impl/comp_node/impl_helper.cpp
+++ b/src/core/impl/comp_node/impl_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/impl_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/impl_helper.h b/src/core/impl/comp_node/impl_helper.h
index e65ea78c082c66b42a34677ae6ba6d0b95629af7..a1d4f1e653018c0271b3b986b206f6e328046fa0 100644
--- a/src/core/impl/comp_node/impl_helper.h
+++ b/src/core/impl/comp_node/impl_helper.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/impl_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/mem_alloc/alloc.cpp b/src/core/impl/comp_node/mem_alloc/alloc.cpp
index f54d0f44c1cd85b1fe1d8882bf2b975cf74068cc..70f30edc216d0c140460d0c7bf6eb02986c350ac 100644
--- a/src/core/impl/comp_node/mem_alloc/alloc.cpp
+++ b/src/core/impl/comp_node/mem_alloc/alloc.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/mem_alloc/alloc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/mem_alloc/impl.cpp b/src/core/impl/comp_node/mem_alloc/impl.cpp
index 2f9f0ba7755b185fe039b01cab23f1448b952900..277700860f6c602682d2ccf8ef292a74a7340e10 100644
--- a/src/core/impl/comp_node/mem_alloc/impl.cpp
+++ b/src/core/impl/comp_node/mem_alloc/impl.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/mem_alloc/impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/mem_alloc/impl.h b/src/core/impl/comp_node/mem_alloc/impl.h
index bb41d5d19994c6d1ab49e54ee09668f3c6c3733a..c3515a44ab2b5434f13bc1e235ea4fb268adc350 100644
--- a/src/core/impl/comp_node/mem_alloc/impl.h
+++ b/src/core/impl/comp_node/mem_alloc/impl.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/mem_alloc/impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/rocm/comp_node.cpp b/src/core/impl/comp_node/rocm/comp_node.cpp
index 77fd6ef737d5669622af0dd078a99988d8bca17d..c7300b39167d33f461d81d1a8b370649ae557156 100644
--- a/src/core/impl/comp_node/rocm/comp_node.cpp
+++ b/src/core/impl/comp_node/rocm/comp_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/rocm/comp_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node/rocm/comp_node.h b/src/core/impl/comp_node/rocm/comp_node.h
index 6d2a952490a3542dc45330a230e13c7b1f4e4d09..c5f9414209ebcd9db8ce1dccbb10e19428ea52e8 100644
--- a/src/core/impl/comp_node/rocm/comp_node.h
+++ b/src/core/impl/comp_node/rocm/comp_node.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node/rocm/comp_node.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/comp_node_env.cpp b/src/core/impl/comp_node_env.cpp
index 6dbe629e41950f1d6f90d17a7eaf39f5b5b70602..f58f0f3c61b1b67281105043f46d7dc95e77ecd7 100644
--- a/src/core/impl/comp_node_env.cpp
+++ b/src/core/impl/comp_node_env.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/comp_node_env.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/dtype.cpp b/src/core/impl/dtype.cpp
index 6c8e9c9b9a27cd05b4be79c08e41bcfdada951b4..85b8a0e57b76a6b9c7ef779194669192f0d86140 100644
--- a/src/core/impl/dtype.cpp
+++ b/src/core/impl/dtype.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/dtype.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/exception.cpp b/src/core/impl/exception.cpp
index 6e2efd3219d52849258207dc63e37204143a9d6e..9ec43b2c08bb222a1fbd8a6075b70627206e0d8c 100644
--- a/src/core/impl/exception.cpp
+++ b/src/core/impl/exception.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/exception.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/bases.cpp b/src/core/impl/graph/bases.cpp
index ccb18c3fccfb78b2276c2c93bb7ad34f32536cf5..71451086ce74617d3d31256cc44073254c6f2406 100644
--- a/src/core/impl/graph/bases.cpp
+++ b/src/core/impl/graph/bases.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/bases.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/cg_impl.cpp b/src/core/impl/graph/cg_impl.cpp
index 2a091f19cb64fd53bedb88eee4ff07bb1d19a9c0..288169b7fdd19995bb5e3431ffb253f8aff04ce2 100644
--- a/src/core/impl/graph/cg_impl.cpp
+++ b/src/core/impl/graph/cg_impl.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/cg_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/cg_impl.h b/src/core/impl/graph/cg_impl.h
index e3969e655b304db33f1503389681f2914e332c70..9d6634a9d4a1968a6feea66beccaebd2792ed189 100644
--- a/src/core/impl/graph/cg_impl.h
+++ b/src/core/impl/graph/cg_impl.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/cg_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/cg_impl_partial.cpp b/src/core/impl/graph/cg_impl_partial.cpp
index 28b2b578b6028dbf186338d5f48ea50b851d34fd..b48b2b8c5f6b3d32c2cabfb3fdcf53712423e004 100644
--- a/src/core/impl/graph/cg_impl_partial.cpp
+++ b/src/core/impl/graph/cg_impl_partial.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/cg_impl_partial.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/cg_impl_partial.h b/src/core/impl/graph/cg_impl_partial.h
index cb1577364610960454cd1beb7fc0f1cd46f90132..1712e83e595533b0622818cf58e953588e672626 100644
--- a/src/core/impl/graph/cg_impl_partial.h
+++ b/src/core/impl/graph/cg_impl_partial.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/cg_impl_partial.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/cg_impl_seq.cpp b/src/core/impl/graph/cg_impl_seq.cpp
index 326eb4c3fede7c0462464596c43f6a24444fbf6a..540a3f27bcba2e83922ce2849030650fdac65d34 100644
--- a/src/core/impl/graph/cg_impl_seq.cpp
+++ b/src/core/impl/graph/cg_impl_seq.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/cg_impl_seq.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/cg_impl_seq.h b/src/core/impl/graph/cg_impl_seq.h
index 625091bcdea4104fef5965f176b7f2e102680341..a999542b2a062c23f26b6805b17e73cd4c26d991 100644
--- a/src/core/impl/graph/cg_impl_seq.h
+++ b/src/core/impl/graph/cg_impl_seq.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/cg_impl_seq.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/eager_eval.cpp b/src/core/impl/graph/eager_eval.cpp
index 6c13057c96132b8419b44130d08542e6920c3c39..4dae3f88bf169f0386917384de726eef95769b21 100644
--- a/src/core/impl/graph/eager_eval.cpp
+++ b/src/core/impl/graph/eager_eval.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/eager_eval.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/eager_eval.h b/src/core/impl/graph/eager_eval.h
index e767eb3a200126880c4d68254892ca6c5e72eeda..08019dba7b636466349e820cc555053ec34d7f26 100644
--- a/src/core/impl/graph/eager_eval.h
+++ b/src/core/impl/graph/eager_eval.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/eager_eval.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/event.cpp b/src/core/impl/graph/event.cpp
index 48746026f30bd60d05a877bc7b8f92427a8ea950..64d49654ffa141cc713e570127f29b09f0598eeb 100644
--- a/src/core/impl/graph/event.cpp
+++ b/src/core/impl/graph/event.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/event.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/execution_mask.cpp b/src/core/impl/graph/execution_mask.cpp
index 321b36ee706d8becff3c961b7c5a6612d27228d6..28db1addb43b55d362209f6d7aa154e30d50a5db 100644
--- a/src/core/impl/graph/execution_mask.cpp
+++ b/src/core/impl/graph/execution_mask.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/execution_mask.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/grad_manager.cpp b/src/core/impl/graph/grad_manager.cpp
index 493fb57c359b69b226d7c4509b26c1603c56c6ca..324ca4e301e66e3e4ef26ee07d6eb06916fd17b5 100644
--- a/src/core/impl/graph/grad_manager.cpp
+++ b/src/core/impl/graph/grad_manager.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/grad_manager.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/grad_manager.h b/src/core/impl/graph/grad_manager.h
index daec4a803413ca0e3b3d0caf3baba855859951cb..a92f60ce3ec86b014669defbe5d67c3beedba92b 100644
--- a/src/core/impl/graph/grad_manager.h
+++ b/src/core/impl/graph/grad_manager.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/grad_manager.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/graph_opt.cpp b/src/core/impl/graph/graph_opt.cpp
index c6e57ed8a9482b740eecf772cdab736cf83e14e0..dc1ac4fc2971bdc6e98a44c5d5897866dfb5b7b6 100644
--- a/src/core/impl/graph/graph_opt.cpp
+++ b/src/core/impl/graph/graph_opt.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/graph_opt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/graph_opt.h b/src/core/impl/graph/graph_opt.h
index ee1a7fb5646d5f5b7eecb8e76e6ec3c9c0e6cda2..54978dda2956425fc755c334d8c3dc3c483b56a3 100644
--- a/src/core/impl/graph/graph_opt.h
+++ b/src/core/impl/graph/graph_opt.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/graph_opt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/helper.cpp b/src/core/impl/graph/helper.cpp
index fe35b9df8ba7b50005d6288ab001d7a9308c02ef..c43a45e8b4980c22bbe42ac12a68d73195a7212a 100644
--- a/src/core/impl/graph/helper.cpp
+++ b/src/core/impl/graph/helper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/impl_common.h b/src/core/impl/graph/impl_common.h
index dd6e7c60e92933512d3ee3873fdca1e7b14d43b7..c11d6be1a0fd20dc82775b551c44525cb832f59b 100644
--- a/src/core/impl/graph/impl_common.h
+++ b/src/core/impl/graph/impl_common.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/impl_common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/memory_optimizer.cpp b/src/core/impl/graph/memory_optimizer.cpp
index fc542d7aec91f3b1e4aa13e60d6ecc9b4df32212..a74007e59380f26511857ddabf96cd6ea1bb9a9c 100644
--- a/src/core/impl/graph/memory_optimizer.cpp
+++ b/src/core/impl/graph/memory_optimizer.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/memory_optimizer.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/memory_optimizer.h b/src/core/impl/graph/memory_optimizer.h
index d995446f652d577eefce3cfe61dde8fbc7ad980c..71ecf949357bac11421b65e7f6895d948b71fa3a 100644
--- a/src/core/impl/graph/memory_optimizer.h
+++ b/src/core/impl/graph/memory_optimizer.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/memory_optimizer.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/normal_exec_env.cpp b/src/core/impl/graph/normal_exec_env.cpp
index 11f770df8d8c5b94fe073f952072578aacecb047..6b4c6ca1f53ef896f0cc39322ae4a29fe7171e6e 100644
--- a/src/core/impl/graph/normal_exec_env.cpp
+++ b/src/core/impl/graph/normal_exec_env.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/normal_exec_env.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/normal_exec_env.h b/src/core/impl/graph/normal_exec_env.h
index e61d86743982a64b3b14081655945dc05005c60b..8f63b60a3263d7e9bc2d5c9e6ae7767e1bf7466e 100644
--- a/src/core/impl/graph/normal_exec_env.h
+++ b/src/core/impl/graph/normal_exec_env.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/normal_exec_env.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/operator_node.cpp b/src/core/impl/graph/operator_node.cpp
index c59016a093ca205c3a48b5195e6871d0edcece57..55d3d8f44e3f19647faf024c7984444d0f9dc87f 100644
--- a/src/core/impl/graph/operator_node.cpp
+++ b/src/core/impl/graph/operator_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/operator_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/seq_comp_node_opt_impl.cpp b/src/core/impl/graph/seq_comp_node_opt_impl.cpp
index 3b6251b9afc2140dc7fc900ccfe9838545c14161..a78302393d5d2f7331a283978a42b0db028c0fee 100644
--- a/src/core/impl/graph/seq_comp_node_opt_impl.cpp
+++ b/src/core/impl/graph/seq_comp_node_opt_impl.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/seq_comp_node_opt_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/seq_comp_node_opt_impl.h b/src/core/impl/graph/seq_comp_node_opt_impl.h
index 8f81f4536be2e9bfc636be0e65701b22b704e6d1..cbf6228cfe35ed75f0af0031288031acc212d043 100644
--- a/src/core/impl/graph/seq_comp_node_opt_impl.h
+++ b/src/core/impl/graph/seq_comp_node_opt_impl.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/seq_comp_node_opt_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/seq_sublinear_memory.cpp b/src/core/impl/graph/seq_sublinear_memory.cpp
index 7906115fb361afd5bb508c66aa12f216a8286194..312d47c5f37eeb332807212c5776ed24b00c8c4d 100644
--- a/src/core/impl/graph/seq_sublinear_memory.cpp
+++ b/src/core/impl/graph/seq_sublinear_memory.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/seq_sublinear_memory.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/seq_sublinear_memory.h b/src/core/impl/graph/seq_sublinear_memory.h
index 4335ef6040728d1dee5d443d932726d3cec3656d..6b79b2f4ce740f8b0465de0ce02fb682953f0a61 100644
--- a/src/core/impl/graph/seq_sublinear_memory.h
+++ b/src/core/impl/graph/seq_sublinear_memory.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/seq_sublinear_memory.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/static_infer_impl.cpp b/src/core/impl/graph/static_infer_impl.cpp
index 15808a018ab2bb2388881d0a5c7e110a0dbb3981..908e93184216a4351ed318d3b9c8e685c6d28594 100644
--- a/src/core/impl/graph/static_infer_impl.cpp
+++ b/src/core/impl/graph/static_infer_impl.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/static_infer_impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/static_infer_impl.h b/src/core/impl/graph/static_infer_impl.h
index e8adc4aef8ac47b8a0bfb00f6d87dbcc97cff29a..7594851f93ebd7ac461b6a966b44077652893552 100644
--- a/src/core/impl/graph/static_infer_impl.h
+++ b/src/core/impl/graph/static_infer_impl.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/static_infer_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/swap/memory_swap.cpp b/src/core/impl/graph/swap/memory_swap.cpp
index a42bc8d41dbf96351a20e2f0162958c1a2397f00..42b6a5f6f182dafbbdf926c2c778e3a53fccfbd2 100644
--- a/src/core/impl/graph/swap/memory_swap.cpp
+++ b/src/core/impl/graph/swap/memory_swap.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/swap/memory_swap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/swap/memory_swap.h b/src/core/impl/graph/swap/memory_swap.h
index 61baf66fd47061d61bde4b0dc5cb76498539bf8c..21c9484de4cf046a35a2556bdb351881bce1d5eb 100644
--- a/src/core/impl/graph/swap/memory_swap.h
+++ b/src/core/impl/graph/swap/memory_swap.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/swap/memory_swap.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/swap/swap_helper.cpp b/src/core/impl/graph/swap/swap_helper.cpp
index 5511fc6399e43e57cc38f229f02848713d097889..14a1e820df3438f15d3b9c14366475462f2334e0 100644
--- a/src/core/impl/graph/swap/swap_helper.cpp
+++ b/src/core/impl/graph/swap/swap_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/swap/swap_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/swap/swap_helper.h b/src/core/impl/graph/swap/swap_helper.h
index 6fe74ca457acbad96a291f05a049394f336707ea..aeb6254aa6a05cceba0d7f7f40388b9079ce3e6a 100644
--- a/src/core/impl/graph/swap/swap_helper.h
+++ b/src/core/impl/graph/swap/swap_helper.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/swap/swap_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/swap/swap_opr.cpp b/src/core/impl/graph/swap/swap_opr.cpp
index 60969e4320e79b9aa95ee4497156ab011c5195b1..2aa1513254a7e9f4d382e7adc6476ddb04c7e9a9 100644
--- a/src/core/impl/graph/swap/swap_opr.cpp
+++ b/src/core/impl/graph/swap/swap_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/swap/swap_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/swap/swap_opr.h b/src/core/impl/graph/swap/swap_opr.h
index b36173a427813a5ffef01ce0b654fb82e74db82b..5b28ec61a16143edd0826de93b51733277e4734a 100644
--- a/src/core/impl/graph/swap/swap_opr.h
+++ b/src/core/impl/graph/swap/swap_opr.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/swap/swap_opr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/symbol_var.cpp b/src/core/impl/graph/symbol_var.cpp
index 034b1321987ca1d22346e8ca9dcd69fc9d04b04b..8cbc4ee600cf9f236e076f6f76d8fa48df9f8c73 100644
--- a/src/core/impl/graph/symbol_var.cpp
+++ b/src/core/impl/graph/symbol_var.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/symbol_var.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/topo_sort.cpp b/src/core/impl/graph/topo_sort.cpp
index 4f5f6c2d745ab82e2ca5bb3586effcdab5bb0a09..30641520a6bfe9e388184ec97ed33803a5f145ec 100644
--- a/src/core/impl/graph/topo_sort.cpp
+++ b/src/core/impl/graph/topo_sort.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/topo_sort.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/topo_sort.h b/src/core/impl/graph/topo_sort.h
index 9eb80c0751532dbf9ee50f4264115c59625ac9da..2f2ff4377ed1e378c26fac45b365dcfc28170a9a 100644
--- a/src/core/impl/graph/topo_sort.h
+++ b/src/core/impl/graph/topo_sort.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/topo_sort.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node.cpp b/src/core/impl/graph/var_node.cpp
index 073fbcec4cf677f8c0570ec428fe3751d2671d36..ac25c1333fb35485a62ce2a0a447ec0e768a9568 100644
--- a/src/core/impl/graph/var_node.cpp
+++ b/src/core/impl/graph/var_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr.cpp b/src/core/impl/graph/var_node_mem_mgr.cpp
index 235ef1c121d55b74a78c5430e0360ec08e10a980..6b77e68c24587da5ee5c5d1aac226ecc46da104d 100644
--- a/src/core/impl/graph/var_node_mem_mgr.cpp
+++ b/src/core/impl/graph/var_node_mem_mgr.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr.h b/src/core/impl/graph/var_node_mem_mgr.h
index 5eaea8578147e5b2f0f0d391a5c2dc85c4152e6f..3f414b38e3a9bc7ddbf717efe0156c0c1479b0a6 100644
--- a/src/core/impl/graph/var_node_mem_mgr.h
+++ b/src/core/impl/graph/var_node_mem_mgr.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/defrag.cpp b/src/core/impl/graph/var_node_mem_mgr/defrag.cpp
index a1fe0b11cae1fa0108286675898a809fdaf0cc5c..f9baa378c027e276aa62659b8069b81e5ff7261f 100644
--- a/src/core/impl/graph/var_node_mem_mgr/defrag.cpp
+++ b/src/core/impl/graph/var_node_mem_mgr/defrag.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/defrag.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/defrag.h b/src/core/impl/graph/var_node_mem_mgr/defrag.h
index 2b8aad9d74c1b6900bf8cce61bfc8ffade31e1be..482cf827928e5b1a3cb70f08d836bedecdedd9d9 100644
--- a/src/core/impl/graph/var_node_mem_mgr/defrag.h
+++ b/src/core/impl/graph/var_node_mem_mgr/defrag.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/defrag.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.cpp b/src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.cpp
index acf245c2937a300df834d5ce50dfa9696a9ff2cd..348df67dedd17fef0cf29aff4e0c588cf06a4f79 100644
--- a/src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.cpp
+++ b/src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.h b/src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.h
index 8ef7613c68280eb987c3b3981b5152d44c8cd7a1..e3aba6de516579b57fffebc87e53e19cae4abe0e 100644
--- a/src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.h
+++ b/src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/seq_mem_opt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc.h b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc.h
index 8c98d0f4344c8e82793f7dde5b22acd2f4d61203..aae006a06090216903e13785210309da017243df 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc.h
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.cpp b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.cpp
index 374e0da74001f1970c63fbff639cf6394985f538..b2d9beceef9145e2d6d9a07b11103d98e52846cb 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.cpp
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.h b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.h
index 54b1b0b055a4c79459b65cf0bcc93ab19ea3699f..4b32af959a9b03b5ceb81081fb1b0fffc7a71a3d 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.h
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.cpp b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.cpp
index aa5ad44886c8bfd1140bb7c54695079017527970..15e23af035bbc41f5dac387333330f7759112d29 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.cpp
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.h b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.h
index fa5e7bc94bb8faa285042a9e520b596851149e03..82de4a61f30dbbf3535e75c8369fd65699ff6d23 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.h
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/best_fit_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.cpp b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.cpp
index 2ddc2bcd527e05e9b1803eeb196ac1893c0fe3f7..2834aa35343c359ba5def2fcbe6681e83854cb19 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.cpp
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.h b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.h
index b25ecfbb119bf8934f0517642f995095af3d2734..f4b5efe1d0792bf1c30fbb475a0b2a4d507cfb38 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.h
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.cpp b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.cpp
index 1b697986f6bc684893b261bed37b4eb985fcded0..423a4c35937bbe4993b33b5d0bf98a4c84c2aa0b 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.cpp
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.h b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.h
index 08bf6fe5000b073012dc752fc654804b4d1b2aea..b388acd44ebc0a16ffe22d5e93aeec393c811e2e 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.h
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/interval_move.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.cpp b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.cpp
index 78a68e0d3ee7c64d14f60f2274b3a9b4956a8b5d..05887322a08c56222a7deb6fcdf02cb9bb56f29c 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.cpp
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.h b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.h
index b9408fabfb943414509ce3899625789e1bfbc295..0ff2bde791645d9b4222f3fdb1ad16ff9042fb32 100644
--- a/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.h
+++ b/src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.h
@@ -2,7 +2,7 @@
  * \file src/core/impl/graph/var_node_mem_mgr/static_mem_alloc/pushdown.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/system.cpp b/src/core/impl/system.cpp
index d970e9cf4df43770b45aa96ea1a46b8ac24e6be7..a9e695d8fd1c0d78bf0fb99beeb631f3fe065193 100644
--- a/src/core/impl/system.cpp
+++ b/src/core/impl/system.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/system.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/tensor.cpp b/src/core/impl/tensor.cpp
index b2d1b148fe72f310807b20c7d1ff293cf2dd0f5f..7dcb2311d019054ed379245ff5613847f97ece05 100644
--- a/src/core/impl/tensor.cpp
+++ b/src/core/impl/tensor.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/tensor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/async_worker.cpp b/src/core/impl/utils/async_worker.cpp
index 6e5fa61c2e34836bf63e0503a242a706a47cd82e..8d0a5a57bc2a7606f2791ec6b7eef7f639a8ec54 100644
--- a/src/core/impl/utils/async_worker.cpp
+++ b/src/core/impl/utils/async_worker.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/async_worker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/comp_node_sync_manager.cpp b/src/core/impl/utils/comp_node_sync_manager.cpp
index 912e10b0b62f6b8c2f64f34a1d9d423c90438c1c..458bcfa92f8d419d90076a14fcd970566c44b0e9 100644
--- a/src/core/impl/utils/comp_node_sync_manager.cpp
+++ b/src/core/impl/utils/comp_node_sync_manager.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/comp_node_sync_manager.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/cuda_helper.cpp b/src/core/impl/utils/cuda_helper.cpp
index bab7b0576793dadcde1d28afcfa98ba304692f6d..c0f2fcd68018f39158e6a819d0885e5be6dabf83 100644
--- a/src/core/impl/utils/cuda_helper.cpp
+++ b/src/core/impl/utils/cuda_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/cuda_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/debug.cpp b/src/core/impl/utils/debug.cpp
index ed0aad4b3d9595a344197359f1ff272107315c65..088dca3562c7942f430c324f4ba1e8f999401022 100644
--- a/src/core/impl/utils/debug.cpp
+++ b/src/core/impl/utils/debug.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/debug.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/event.cpp b/src/core/impl/utils/event.cpp
index 526e578e03b795acd38f65b6a7b5ca90859c82e3..7161181420929d3d9e90f0e5daffa0b5af06838a 100644
--- a/src/core/impl/utils/event.cpp
+++ b/src/core/impl/utils/event.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/event.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/hash.cpp b/src/core/impl/utils/hash.cpp
index b9f2fc39751303b2fbae6578657123ef7bc3df4a..a0f3e8520fa2c126a6b423a7733e164bece4898c 100644
--- a/src/core/impl/utils/hash.cpp
+++ b/src/core/impl/utils/hash.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/hash.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/hashable.cpp b/src/core/impl/utils/hashable.cpp
index 4d0bdac53f7817f6c69d028ce31131263cf17f07..48330870a707fc7ad6ee28bc0394cced58ad556a 100644
--- a/src/core/impl/utils/hashable.cpp
+++ b/src/core/impl/utils/hashable.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/hashable.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/json.cpp b/src/core/impl/utils/json.cpp
index 4d2993cd89668538c77e42f9ce79f1d23ea1a8bf..c2a4028182f1897b092eabd897e74e8798913cb3 100644
--- a/src/core/impl/utils/json.cpp
+++ b/src/core/impl/utils/json.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/json.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/mempool.cpp b/src/core/impl/utils/mempool.cpp
index 755c6d8f1176528cb0a34da4ab8b0fc595c8122e..1cfb0f153b733a693b55c3e4ddc07006715aff46 100644
--- a/src/core/impl/utils/mempool.cpp
+++ b/src/core/impl/utils/mempool.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/mempool.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/metahelper.cpp b/src/core/impl/utils/metahelper.cpp
index dfaa6a49f9fbdf43317d327d592836a304155764..fa44bed32e065e5f16a3a02dd14534341b3321d6 100644
--- a/src/core/impl/utils/metahelper.cpp
+++ b/src/core/impl/utils/metahelper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/metahelper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/persistent_cache.cpp b/src/core/impl/utils/persistent_cache.cpp
index 98e3dc2ad6dce91e1b680991ff4364c1044ea466..8dbbd3c180f8f24569edaa522dd00501e051ae50 100644
--- a/src/core/impl/utils/persistent_cache.cpp
+++ b/src/core/impl/utils/persistent_cache.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/persistent_cache.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/thread.cpp b/src/core/impl/utils/thread.cpp
index d222888096f24ddf2cbe53a944f424eb788ca87d..d699b0a380595fee654ff73188c66d8ee7f44d93 100644
--- a/src/core/impl/utils/thread.cpp
+++ b/src/core/impl/utils/thread.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/thread.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/thread_pool.cpp b/src/core/impl/utils/thread_pool.cpp
index ec57b9e500fe999b06d5a3db79348746db239282..fab09dd90fe1dbaefd78b9af7c3d3b9745b667bc 100644
--- a/src/core/impl/utils/thread_pool.cpp
+++ b/src/core/impl/utils/thread_pool.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/thread_pool.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/timer.cpp b/src/core/impl/utils/timer.cpp
index 3d5aebabab204cddd2075cf00e4cb6aadf49f419..507618c7f0b01c610ea81672adc9b8ef936fdf48 100644
--- a/src/core/impl/utils/timer.cpp
+++ b/src/core/impl/utils/timer.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/utils/timer.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/xxhash/xxhash.cpp b/src/core/impl/utils/xxhash/xxhash.cpp
index e14a9c5f82d13fc9ee4cf45f6f1f7cac5cc7fa35..6afeced8fe074d646516a1c920ceb695925642ab 100644
--- a/src/core/impl/utils/xxhash/xxhash.cpp
+++ b/src/core/impl/utils/xxhash/xxhash.cpp
@@ -36,7 +36,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/utils/xxhash/xxhash.h b/src/core/impl/utils/xxhash/xxhash.h
index 04b3e9417b8f57521ae66ca99ad1e50e533dd849..2dab8c143216f6c1730a10d97b7138b675b9fb5b 100644
--- a/src/core/impl/utils/xxhash/xxhash.h
+++ b/src/core/impl/utils/xxhash/xxhash.h
@@ -36,7 +36,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/impl/version.cpp b/src/core/impl/version.cpp
index da336bb1c428540137286cc7dc1999ba5b492a9e..7f1686031b0b31ec101d027d8ba2966178582cc3 100644
--- a/src/core/impl/version.cpp
+++ b/src/core/impl/version.cpp
@@ -2,7 +2,7 @@
  * \file src/core/impl/version.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/common.h b/src/core/include/megbrain/common.h
index 172a83a53751b5b1bec8a55ca4b1b50ad8633142..c90b461ff6e2bf0c7e1ba092df00f1d91e869935 100644
--- a/src/core/include/megbrain/common.h
+++ b/src/core/include/megbrain/common.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/comp_node.h b/src/core/include/megbrain/comp_node.h
index 2dd509723ea79b0037237e7b9c9a09f31824c097..464235f8316fd6d5bad498e3e1f649a57425be05 100644
--- a/src/core/include/megbrain/comp_node.h
+++ b/src/core/include/megbrain/comp_node.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/comp_node.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/comp_node/alloc.h b/src/core/include/megbrain/comp_node/alloc.h
index 2d15108df2f78a7ba3f33deca4d6faca986acb73..33f9539dc00f026764e2714a15853c5b1f77afdd 100644
--- a/src/core/include/megbrain/comp_node/alloc.h
+++ b/src/core/include/megbrain/comp_node/alloc.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/comp_node/alloc.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/comp_node_env.h b/src/core/include/megbrain/comp_node_env.h
index 1173c05b1549b1e94a1c546f82344b49361ee3ed..960e1b72079677d138c120bc0c1cef7210f06245 100644
--- a/src/core/include/megbrain/comp_node_env.h
+++ b/src/core/include/megbrain/comp_node_env.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/comp_node_env.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/dtype.h b/src/core/include/megbrain/dtype.h
index 6e98c36d5f9f332838928d77c0259a799cb78682..4df0ba6d85fe47fa9850bd942511c2bcc0b881d7 100644
--- a/src/core/include/megbrain/dtype.h
+++ b/src/core/include/megbrain/dtype.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/dtype.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/exception.h b/src/core/include/megbrain/exception.h
index a4215893fe3be8ef535508c494b7def243def708..d2d1eda082b0bf9250bd198abe15e82df97d91af 100644
--- a/src/core/include/megbrain/exception.h
+++ b/src/core/include/megbrain/exception.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/exception.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph.h b/src/core/include/megbrain/graph.h
index b6e68fa6c5a2264b0c18460e91a23be5defff864..a7d5080a3e60354241a1d5b205c16bbdfe061b61 100644
--- a/src/core/include/megbrain/graph.h
+++ b/src/core/include/megbrain/graph.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/bases.h b/src/core/include/megbrain/graph/bases.h
index 7fc505a3703a401fbc7f533dcf8ced6cf4a342ce..9dcbf2c7c43d1f74a6879c7a086dc4e340e05b71 100644
--- a/src/core/include/megbrain/graph/bases.h
+++ b/src/core/include/megbrain/graph/bases.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/bases.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/cg.h b/src/core/include/megbrain/graph/cg.h
index fefe46af2f71205c66dfa6fb89c4375ed86e21e2..428e8ceb9e7321d2a4ff3f1ae5e79a052319ca69 100644
--- a/src/core/include/megbrain/graph/cg.h
+++ b/src/core/include/megbrain/graph/cg.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/cg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/event.h b/src/core/include/megbrain/graph/event.h
index 1be05b7846fa3d8d5175f8eb5ad8ecb8cd65031e..5c27911628c799f0b299a3f7a06106ac94390c15 100644
--- a/src/core/include/megbrain/graph/event.h
+++ b/src/core/include/megbrain/graph/event.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/event.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/exc_extra_info.h b/src/core/include/megbrain/graph/exc_extra_info.h
index 0bfd9a36a55c45e5ea71d0eff97b1c766862a263..801b1a007233be90df1f14292a4ae4545835f1d1 100644
--- a/src/core/include/megbrain/graph/exc_extra_info.h
+++ b/src/core/include/megbrain/graph/exc_extra_info.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/exc_extra_info.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/execution_mask.h b/src/core/include/megbrain/graph/execution_mask.h
index b9a9df9feaf589653037ade2ea322b4fa97a22ad..b57848785faf41d64b0286c90d2d889f6ff099cd 100644
--- a/src/core/include/megbrain/graph/execution_mask.h
+++ b/src/core/include/megbrain/graph/execution_mask.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/execution_mask.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/extern_copr_api.h b/src/core/include/megbrain/graph/extern_copr_api.h
index c48a98a9bd78192d0e59af4813cc25a32258850a..c380e63c87ecb5ecc4874198d2a77675721956f8 100644
--- a/src/core/include/megbrain/graph/extern_copr_api.h
+++ b/src/core/include/megbrain/graph/extern_copr_api.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/extern_copr_api.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/grad_impl.h b/src/core/include/megbrain/graph/grad_impl.h
index ba4800a9b0233e8e8334b716e5a82482350fa823..884c9a1a820093bc10e1c968b67a14cb14ebb8b5 100644
--- a/src/core/include/megbrain/graph/grad_impl.h
+++ b/src/core/include/megbrain/graph/grad_impl.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/grad_impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/helper.h b/src/core/include/megbrain/graph/helper.h
index 0f7f8ad351c9dc4d11cd0a09e0c48cb156e13bde..a3d820b369f35351a5259200c26673ef09859208 100644
--- a/src/core/include/megbrain/graph/helper.h
+++ b/src/core/include/megbrain/graph/helper.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/operator_node.h b/src/core/include/megbrain/graph/operator_node.h
index 64a593a1ace83b006af57774f27428dfa5f6390b..a8ea098051d9762ad774b2dffa51974b1e36c539 100644
--- a/src/core/include/megbrain/graph/operator_node.h
+++ b/src/core/include/megbrain/graph/operator_node.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/operator_node.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/seq_comp_node_opt.h b/src/core/include/megbrain/graph/seq_comp_node_opt.h
index 27fc7d8f604f52c2f68f273c046ea67d448fd62a..a4e2960d0f0f3c87d37082c1d0244a36b014e0ac 100644
--- a/src/core/include/megbrain/graph/seq_comp_node_opt.h
+++ b/src/core/include/megbrain/graph/seq_comp_node_opt.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/seq_comp_node_opt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/static_infer.h b/src/core/include/megbrain/graph/static_infer.h
index 3a53ff69e41d67a4fdbe9033402c379d59a33501..cb625d97d85ed03f95db4096d355770c967782f9 100644
--- a/src/core/include/megbrain/graph/static_infer.h
+++ b/src/core/include/megbrain/graph/static_infer.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/static_infer.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/symbol_var.h b/src/core/include/megbrain/graph/symbol_var.h
index a89598dcff4b9523bfe5b7ac8f6280647cdc25b1..62312c15d808aa37be0582def1f889e9a5f97ca4 100644
--- a/src/core/include/megbrain/graph/symbol_var.h
+++ b/src/core/include/megbrain/graph/symbol_var.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/symbol_var.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/graph/var_node.h b/src/core/include/megbrain/graph/var_node.h
index 4f329d710a5b1f62f5f21d86cceb04e36b606fbc..ef7c58ec416525ba6d1e50c1df349ac5c0e29571 100644
--- a/src/core/include/megbrain/graph/var_node.h
+++ b/src/core/include/megbrain/graph/var_node.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/graph/var_node.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/ir/base.td b/src/core/include/megbrain/ir/base.td
index 82e638d58816ab7177207b591054121e2438fd79..0d8d39881db7cadc627ab5076c5e9d8c89d736e7 100644
--- a/src/core/include/megbrain/ir/base.td
+++ b/src/core/include/megbrain/ir/base.td
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/ir/base.td
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/ir/ops.td b/src/core/include/megbrain/ir/ops.td
index e065d492f64998b8f2d96f55eeb623be38d59b59..6e495e748f96c23a8b9eba67d798ec3c14aacfc2 100644
--- a/src/core/include/megbrain/ir/ops.td
+++ b/src/core/include/megbrain/ir/ops.td
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/ir/ops.td
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/system.h b/src/core/include/megbrain/system.h
index 3bb65649c9896b647cce75b22dce58175bc7606c..66b836902e8633c613792160cba10f1fc7ce9cdb 100644
--- a/src/core/include/megbrain/system.h
+++ b/src/core/include/megbrain/system.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/system.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/tensor.h b/src/core/include/megbrain/tensor.h
index 3a6133829d0cb08d1058a4d140fd731ce89267a2..fe73be174f7ffda141491a9e80ad21e752f8fd0b 100644
--- a/src/core/include/megbrain/tensor.h
+++ b/src/core/include/megbrain/tensor.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/tensor.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/arith_helper.h b/src/core/include/megbrain/utils/arith_helper.h
index 734dac12ed840e0c26e25acd74a3c70928b99db0..bac48cc133e918346fdebb9e870a0ea04f8f42fb 100644
--- a/src/core/include/megbrain/utils/arith_helper.h
+++ b/src/core/include/megbrain/utils/arith_helper.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/arith_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/async_worker.h b/src/core/include/megbrain/utils/async_worker.h
index cdd3ebf8fb7f10b351ac083f528515812123f654..dd9c8935421e668febe536c3faf3adf1b6dafac4 100644
--- a/src/core/include/megbrain/utils/async_worker.h
+++ b/src/core/include/megbrain/utils/async_worker.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/async_worker.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/async_worker_impl_0.h b/src/core/include/megbrain/utils/async_worker_impl_0.h
index a3a87f066da3de5a139f544882107ed85822b169..2801a1884e9be65e9f9b3d5cbdf6bbfcbbfec5c5 100644
--- a/src/core/include/megbrain/utils/async_worker_impl_0.h
+++ b/src/core/include/megbrain/utils/async_worker_impl_0.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/async_worker_impl_0.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/async_worker_impl_1.h b/src/core/include/megbrain/utils/async_worker_impl_1.h
index 205f2e983c4a997265b4ca284360187873f444eb..f205c3dc3a3d5b2042e0c5b369112c0b5d93d16b 100644
--- a/src/core/include/megbrain/utils/async_worker_impl_1.h
+++ b/src/core/include/megbrain/utils/async_worker_impl_1.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/async_worker_impl_1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/big_key_hashmap.h b/src/core/include/megbrain/utils/big_key_hashmap.h
index 9cf378cbaa58433ded2086cd11d8073b8d1152ff..542062dab67b9ea3181e891d84faaf9ae588657d 100644
--- a/src/core/include/megbrain/utils/big_key_hashmap.h
+++ b/src/core/include/megbrain/utils/big_key_hashmap.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/big_key_hashmap.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/comp_node_sync_manager.h b/src/core/include/megbrain/utils/comp_node_sync_manager.h
index 8386aaff4d67aa4f27f44ad5cb159e07085edb5d..74b0839e6345e2367fb3320a58bd8720fa13872f 100644
--- a/src/core/include/megbrain/utils/comp_node_sync_manager.h
+++ b/src/core/include/megbrain/utils/comp_node_sync_manager.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/comp_node_sync_manager.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/cuda_helper.h b/src/core/include/megbrain/utils/cuda_helper.h
index 8b8c66f4eb7560276d7e43f04bdcf142cef02822..ec7823b4ea6162919de012b9ce7c0fa30e814822 100644
--- a/src/core/include/megbrain/utils/cuda_helper.h
+++ b/src/core/include/megbrain/utils/cuda_helper.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/cuda_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/debug.h b/src/core/include/megbrain/utils/debug.h
index 6dedbdf3bf68342b5fcae3cbce425b0ecffb7bc4..31bdd77fc021bde6465675a67229f208d566a8bf 100644
--- a/src/core/include/megbrain/utils/debug.h
+++ b/src/core/include/megbrain/utils/debug.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/debug.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/enum_class_bit.h b/src/core/include/megbrain/utils/enum_class_bit.h
index 628340afa5ff86dd87bf5ab582335a7b075ca4f9..35e50ccfa2edfd2894d15859bed56037a136a2e7 100644
--- a/src/core/include/megbrain/utils/enum_class_bit.h
+++ b/src/core/include/megbrain/utils/enum_class_bit.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/enum_class_bit.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/event.h b/src/core/include/megbrain/utils/event.h
index 24084bcdaf2edc395149fa2d106f01aad2c0015f..a6ce7c19d33a90c5e65364fb9ac8d0d8e8014605 100644
--- a/src/core/include/megbrain/utils/event.h
+++ b/src/core/include/megbrain/utils/event.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/event.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/hash.h b/src/core/include/megbrain/utils/hash.h
index fefeec9ee639d770d6e82720263c6794b7ec5555..2737abf82a8ff0aad12585f1675042c9b40f4ff4 100644
--- a/src/core/include/megbrain/utils/hash.h
+++ b/src/core/include/megbrain/utils/hash.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/hash.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/hash_ct.h b/src/core/include/megbrain/utils/hash_ct.h
index c9793a003970dd558c69ebe35e5ef92a6cec8d01..7e605264bd498eab220778d008e27d83495a5c07 100644
--- a/src/core/include/megbrain/utils/hash_ct.h
+++ b/src/core/include/megbrain/utils/hash_ct.h
@@ -26,7 +26,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/hashable.h b/src/core/include/megbrain/utils/hashable.h
index 0fbb0bfaa8fd597ceffc76472d2dd043957e4490..f53e04889f65480d49e71b507a7c994224760b87 100644
--- a/src/core/include/megbrain/utils/hashable.h
+++ b/src/core/include/megbrain/utils/hashable.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/hashable.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/json.h b/src/core/include/megbrain/utils/json.h
index 31db409fcb806a185b970c7a6374eb122a469559..5edde8b6f62cc56fd4663103963b6c5940587558 100644
--- a/src/core/include/megbrain/utils/json.h
+++ b/src/core/include/megbrain/utils/json.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/json.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/mempool.h b/src/core/include/megbrain/utils/mempool.h
index 0b8b3b3dec832dd5ed9d10d6f0b495725bcacaad..76a28410d4acdfad9854f320274a708df280dbe0 100644
--- a/src/core/include/megbrain/utils/mempool.h
+++ b/src/core/include/megbrain/utils/mempool.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/mempool.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/metahelper.h b/src/core/include/megbrain/utils/metahelper.h
index bb38db7c3a72c4f663dbecac7af9c378bcd1fa5a..b9909b149974efee4b51b609c8383938c0a792bc 100644
--- a/src/core/include/megbrain/utils/metahelper.h
+++ b/src/core/include/megbrain/utils/metahelper.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/metahelper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/metahelper_basic.h b/src/core/include/megbrain/utils/metahelper_basic.h
index 144a4978c6e1d8afad246959f0f7a37d091e952d..ac6e9df2aadc05cbf4c8d6a8443751e585614859 100644
--- a/src/core/include/megbrain/utils/metahelper_basic.h
+++ b/src/core/include/megbrain/utils/metahelper_basic.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/metahelper_basic.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/obfuscator_ct.h b/src/core/include/megbrain/utils/obfuscator_ct.h
index 572fbc08f998ab0af6fad3e1c8effc680fdd6998..7e55d5d1d6ec967cbd886761d486d870c5c408d3 100644
--- a/src/core/include/megbrain/utils/obfuscator_ct.h
+++ b/src/core/include/megbrain/utils/obfuscator_ct.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/obfuscator_ct.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/persistent_cache.h b/src/core/include/megbrain/utils/persistent_cache.h
index 5ad1f80b6a4ba0dfcd38af74a1eb40bda0ba0c6c..8c2777a9bf273936c3c02446b49aefb26507221d 100644
--- a/src/core/include/megbrain/utils/persistent_cache.h
+++ b/src/core/include/megbrain/utils/persistent_cache.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/persistent_cache.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/shared_set.h b/src/core/include/megbrain/utils/shared_set.h
index 89e06a09234170ad5a9d5f131b10a732c95dd141..6d70107683d7080950b4fd0004152a29e51c75d6 100644
--- a/src/core/include/megbrain/utils/shared_set.h
+++ b/src/core/include/megbrain/utils/shared_set.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/shared_set.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/small_vector.h b/src/core/include/megbrain/utils/small_vector.h
index a4cd4bd8b623811267f938dd5a57c8fc1067406a..33a87b026a21a6d7f440fe1fde8a1089e99ceb3e 100644
--- a/src/core/include/megbrain/utils/small_vector.h
+++ b/src/core/include/megbrain/utils/small_vector.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/small_vector.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/thin/function.h b/src/core/include/megbrain/utils/thin/function.h
index 261a03b0213ba6711cf20a0be0249d7c2f840246..b94a02251c48bff343adb8124e94eeb21de4c991 100644
--- a/src/core/include/megbrain/utils/thin/function.h
+++ b/src/core/include/megbrain/utils/thin/function.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/thin/function.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/thin/hash_table.h b/src/core/include/megbrain/utils/thin/hash_table.h
index b6c9427c69ae0b1a81bafa7a10741bc608cd863d..291c151b19c6b24a3343d61da57862abbc8e8312 100644
--- a/src/core/include/megbrain/utils/thin/hash_table.h
+++ b/src/core/include/megbrain/utils/thin/hash_table.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/thin/hash_table.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/thin/nullable_hash_map.h b/src/core/include/megbrain/utils/thin/nullable_hash_map.h
index 83f93fbdfc200ff6075e9024fda8ed8c888d7512..3851c014645491b6bd111fa60dc48011e1a9b025 100644
--- a/src/core/include/megbrain/utils/thin/nullable_hash_map.h
+++ b/src/core/include/megbrain/utils/thin/nullable_hash_map.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/thin/nullable_hash_map.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/thread.h b/src/core/include/megbrain/utils/thread.h
index 2772bb18fddb44b88333f59cc5dd7e17f73a2a36..f94fd70bb5dd8edceeac6caa80b30c42a8ec9882 100644
--- a/src/core/include/megbrain/utils/thread.h
+++ b/src/core/include/megbrain/utils/thread.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/thread.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/thread_impl_0.h b/src/core/include/megbrain/utils/thread_impl_0.h
index 44b169b1c3fc5c7e5394a4c44da5582a41535434..97393464284af69432183332041f6234c0ecd41f 100644
--- a/src/core/include/megbrain/utils/thread_impl_0.h
+++ b/src/core/include/megbrain/utils/thread_impl_0.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/thread_impl_0.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/thread_impl_1.h b/src/core/include/megbrain/utils/thread_impl_1.h
index 3a8e5f8481dd9254427198133c6a06c5554e95e0..d5d540abc583aa2737134f7f9baef50f58c75508 100644
--- a/src/core/include/megbrain/utils/thread_impl_1.h
+++ b/src/core/include/megbrain/utils/thread_impl_1.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/thread_impl_1.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/thread_impl_spinlock.h b/src/core/include/megbrain/utils/thread_impl_spinlock.h
index b9f1efc49d2602fa4c608565b0688779925ec733..f3cab5603d6722fb040d8151ae4a070f5ea4bb9c 100644
--- a/src/core/include/megbrain/utils/thread_impl_spinlock.h
+++ b/src/core/include/megbrain/utils/thread_impl_spinlock.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/thread_impl_spinlock.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/thread_pool.h b/src/core/include/megbrain/utils/thread_pool.h
index a6b01d4f8ec85b2d17f65735fd9072535224e1c4..6e6f8ad0505d5fc79b87cec3a1ae3f680bb4c34a 100644
--- a/src/core/include/megbrain/utils/thread_pool.h
+++ b/src/core/include/megbrain/utils/thread_pool.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/thread_pool.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/utils/timer.h b/src/core/include/megbrain/utils/timer.h
index 5634d3886db1ea840ff4480c21341ed557c8fe97..1fd36b624723b232f1a404dff4fb355d3d1ab63b 100644
--- a/src/core/include/megbrain/utils/timer.h
+++ b/src/core/include/megbrain/utils/timer.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/utils/timer.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/version.h b/src/core/include/megbrain/version.h
index c002e2924d688c29122091178c2a9ffaf1f36a9b..c8f84c64a54ae9cfb297633a1c72fe7c241a2239 100644
--- a/src/core/include/megbrain/version.h
+++ b/src/core/include/megbrain/version.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/version.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/include/megbrain/version_symbol.h b/src/core/include/megbrain/version_symbol.h
index 4ac608cae6111d9711e0a318dbf209f9f8a08afb..d4806ff697c7ffa94b24ad525de8bc81c0c97931 100644
--- a/src/core/include/megbrain/version_symbol.h
+++ b/src/core/include/megbrain/version_symbol.h
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain/version_symbol.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/comp_node.cpp b/src/core/test/comp_node.cpp
index 41a0751cc73986961dd2af8d3718c2b98805cd95..1ad42db74f0dbb1a6ee321e19de545d199d267fc 100644
--- a/src/core/test/comp_node.cpp
+++ b/src/core/test/comp_node.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/comp_node.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/comp_node_helper.cpp b/src/core/test/comp_node_helper.cpp
index 73df2d02c00582a071720980e6ed70cb7303dd3a..997dfdd3d78e60bf7a56b36a1f276e78530df90a 100644
--- a/src/core/test/comp_node_helper.cpp
+++ b/src/core/test/comp_node_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/comp_node_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/comp_node_helper.h b/src/core/test/comp_node_helper.h
index ad5d8a31eed0dbde480c5a9fea4823c5172f82b3..60222b2507d89b6d60585f1f1193894bb570cfef 100644
--- a/src/core/test/comp_node_helper.h
+++ b/src/core/test/comp_node_helper.h
@@ -2,7 +2,7 @@
  * \file src/core/test/comp_node_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/dtype.cpp b/src/core/test/dtype.cpp
index 4721b3b8fd631608ecf587e00f90efb92d145e98..d9916a30868dca89f288c36b66e00bc769601ae4 100644
--- a/src/core/test/dtype.cpp
+++ b/src/core/test/dtype.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/dtype.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/graph/add_update.cpp b/src/core/test/graph/add_update.cpp
index b73d07980732140de64b86421b4d6fa2a72736c2..915fd4d04e630c3975b1afbbc9b89c977de01f24 100644
--- a/src/core/test/graph/add_update.cpp
+++ b/src/core/test/graph/add_update.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/graph/add_update.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/graph/defrag.cpp b/src/core/test/graph/defrag.cpp
index cd025c6af63390dea70b949063e2ce14086f0d90..ca233be49417f852621fd1415662510413f29d31 100644
--- a/src/core/test/graph/defrag.cpp
+++ b/src/core/test/graph/defrag.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/graph/defrag.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/graph/eager_eval.cpp b/src/core/test/graph/eager_eval.cpp
index e3547d64804629e305e63a28c1208506a3f1a763..2bcfcf1eec7d444d8202ab0dfe66e3d7f2aa9c32 100644
--- a/src/core/test/graph/eager_eval.cpp
+++ b/src/core/test/graph/eager_eval.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/graph/eager_eval.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/graph/mem_fwd.cpp b/src/core/test/graph/mem_fwd.cpp
index a64a9b7ed8d29b2eb5a2e5a6f8b1ef5accac28a0..4e40dccc89b6cbae35da9d31e00fa7fccfa424d2 100644
--- a/src/core/test/graph/mem_fwd.cpp
+++ b/src/core/test/graph/mem_fwd.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/graph/mem_fwd.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/graph/misc.cpp b/src/core/test/graph/misc.cpp
index a7895243fb6df751466637f2c9a8cf02c935cb4c..4c75e0cb20aa0af80e0f6db6c0bb26237597f040 100644
--- a/src/core/test/graph/misc.cpp
+++ b/src/core/test/graph/misc.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/graph/misc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/graph/multi_thread.cpp b/src/core/test/graph/multi_thread.cpp
index 1b9af8b0aed1dfa4a3a9e0f7b2b1cfdc97a7e6d7..dc633aae56f157dadd744042c396b901c45b5f56 100644
--- a/src/core/test/graph/multi_thread.cpp
+++ b/src/core/test/graph/multi_thread.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/graph/multi_thread.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/graph/partial_execution.cpp b/src/core/test/graph/partial_execution.cpp
index 85ed0831ac2ab360456496cb9644347a66c2044f..6b2b8c5338c96c02fbea6db313810877e2a96fd7 100644
--- a/src/core/test/graph/partial_execution.cpp
+++ b/src/core/test/graph/partial_execution.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/graph/partial_execution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/mem_alloc.cpp b/src/core/test/mem_alloc.cpp
index cc379cf073c88c134d2d5b1f038d138258d38343..eea86586184aef5fe18810e4f059e57bea215a25 100644
--- a/src/core/test/mem_alloc.cpp
+++ b/src/core/test/mem_alloc.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/mem_alloc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/mem_reuse.cpp b/src/core/test/mem_reuse.cpp
index 5740eada220e9f9474b464e8921858a7059cc498..20f7d5edb35be2300fb23b3efb6c578abce46d14 100644
--- a/src/core/test/mem_reuse.cpp
+++ b/src/core/test/mem_reuse.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/mem_reuse.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/memory_swap.cpp b/src/core/test/memory_swap.cpp
index 43069f3d0a68adbfa4ee9f7ae7be7ac9a59fa15c..37072278f4968b5d3e7c07dbdfc436815023941f 100644
--- a/src/core/test/memory_swap.cpp
+++ b/src/core/test/memory_swap.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/memory_swap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/static_infer.cpp b/src/core/test/static_infer.cpp
index 144d98fd4b70809f3fe4a543b364ed8af041b102..776506902c73c71e9e82be09f25e02f695d0466f 100644
--- a/src/core/test/static_infer.cpp
+++ b/src/core/test/static_infer.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/static_infer.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/static_mem_alloc.cpp b/src/core/test/static_mem_alloc.cpp
index 1224207aa5ab3949ea95829b8c72c6210a05078e..3679474abd78eeab0bba0dc2f130bb33c0b46a22 100644
--- a/src/core/test/static_mem_alloc.cpp
+++ b/src/core/test/static_mem_alloc.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/static_mem_alloc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/sublinear_memory.cpp b/src/core/test/sublinear_memory.cpp
index 6e42f12e5dcd89850ada6637de7dea332d39e4b9..83f26f587ec95155ec2f44fff0f85b0c5c3db428 100644
--- a/src/core/test/sublinear_memory.cpp
+++ b/src/core/test/sublinear_memory.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/sublinear_memory.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/system.cpp b/src/core/test/system.cpp
index c24906565de760eb1896a4afb6540e2870864edd..b94af1536e3b2cf89c00ba427de74e3c1f662b56 100644
--- a/src/core/test/system.cpp
+++ b/src/core/test/system.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/system.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/tensor.cpp b/src/core/test/tensor.cpp
index 82d3bbe6639bf1906f4357ef8f5fd3ce3e4a87b5..23736404ab0de36f0582ca2e6caf53912af8b6ae 100644
--- a/src/core/test/tensor.cpp
+++ b/src/core/test/tensor.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/tensor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/train.cpp b/src/core/test/train.cpp
index 70225c131ba1417ab2e3bd631725649554f22c59..51b46e86a2e325de660720c10801af570528939f 100644
--- a/src/core/test/train.cpp
+++ b/src/core/test/train.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/train.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/async_worker.cpp b/src/core/test/utils/async_worker.cpp
index 746e67970c9720620f39247fe50fb46705002ccb..d1aea867a5419cd752e4aeffb5f7e9b1b3cd36d3 100644
--- a/src/core/test/utils/async_worker.cpp
+++ b/src/core/test/utils/async_worker.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/async_worker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/big_key_hashmap.cpp b/src/core/test/utils/big_key_hashmap.cpp
index 00e2a3465c0da8af45e874a4507d72fd850285ba..ec461b6b855f6505f13ab2d0532d508ddad4cdba 100644
--- a/src/core/test/utils/big_key_hashmap.cpp
+++ b/src/core/test/utils/big_key_hashmap.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/big_key_hashmap.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/cuda_helper.cpp b/src/core/test/utils/cuda_helper.cpp
index 90361056ce52411b0a1d158ce6f9a1089b225071..abae5cacd109681dd760b8fe23b3f30a2aeb687a 100644
--- a/src/core/test/utils/cuda_helper.cpp
+++ b/src/core/test/utils/cuda_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/cuda_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/event.cpp b/src/core/test/utils/event.cpp
index 077182744e3e6210e7be3bbd348b66a4bc43fac7..97fc759d3235f7bd9d788fe64563fdf694ab638f 100644
--- a/src/core/test/utils/event.cpp
+++ b/src/core/test/utils/event.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/event.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/metahelper.cpp b/src/core/test/utils/metahelper.cpp
index 0d5d43e4f981f406ea6adab6dc4ba5d642928766..3340963da633d6b56bdcb04cd6e4fe88f84a62ee 100644
--- a/src/core/test/utils/metahelper.cpp
+++ b/src/core/test/utils/metahelper.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/metahelper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/obfuscator_ct.cpp b/src/core/test/utils/obfuscator_ct.cpp
index a043d1b0a85a63a46e960823d92ff94069b91f7b..b2106cf31d21c4c6d1410fb99899d469f0722878 100644
--- a/src/core/test/utils/obfuscator_ct.cpp
+++ b/src/core/test/utils/obfuscator_ct.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/obfuscator_ct.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/thin.cpp b/src/core/test/utils/thin.cpp
index 9627e33615ef2340f4738e04fd983bb38c048363..591bf6eacf7edc03f3980b05f4d54613181400de 100644
--- a/src/core/test/utils/thin.cpp
+++ b/src/core/test/utils/thin.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/thin.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/thread.cpp b/src/core/test/utils/thread.cpp
index a3846f1707910edde43981359432c208889dfd76..fe2df92e118fb82ba13b1c6d3d429c067e9d1c75 100644
--- a/src/core/test/utils/thread.cpp
+++ b/src/core/test/utils/thread.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/thread.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/core/test/utils/thread_pool.cpp b/src/core/test/utils/thread_pool.cpp
index 074e874988296df4defcda9733ba972ea7282577..3202e4c820f45ff70d88170929d41510e334eaa4 100644
--- a/src/core/test/utils/thread_pool.cpp
+++ b/src/core/test/utils/thread_pool.cpp
@@ -2,7 +2,7 @@
  * \file src/core/test/utils/thread_pool.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/basic_arith/chain.cpp b/src/gopt/impl/basic_arith/chain.cpp
index bad9547b57e2574032560d8a077dee212c0edd8e..125ce652b80aaeab8718c3922be824677d4f0ebf 100644
--- a/src/gopt/impl/basic_arith/chain.cpp
+++ b/src/gopt/impl/basic_arith/chain.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/basic_arith/chain.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/basic_arith/inplace.cpp b/src/gopt/impl/basic_arith/inplace.cpp
index 5d72d23de60f1f3e4457b77ff85d95dc3d7caaf1..a8dc1d6b84a1afb8da65c73e4084a2e10b5f4fa6 100644
--- a/src/gopt/impl/basic_arith/inplace.cpp
+++ b/src/gopt/impl/basic_arith/inplace.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/basic_arith/inplace.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/basic_arith/trans.cpp b/src/gopt/impl/basic_arith/trans.cpp
index 6a52e41e98d327b63eefa6d52121378db3660569..0a3fd6571fa500517c14e1c38df3ee942154aba6 100644
--- a/src/gopt/impl/basic_arith/trans.cpp
+++ b/src/gopt/impl/basic_arith/trans.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/basic_arith/trans.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/framework.cpp b/src/gopt/impl/framework.cpp
index 52d029b212131d29b79670940e4e1bb5e483e376..416541694af77934d51da2f2ff7a77482ecef366 100644
--- a/src/gopt/impl/framework.cpp
+++ b/src/gopt/impl/framework.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/framework.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/fuse_nchw4_int8_preprocess.cpp b/src/gopt/impl/fuse_nchw4_int8_preprocess.cpp
index 7829c29afcbbb1482820ff34ed085707fe83f21b..9e4ff764274a8e49d0dbfba781174bc6e109b93b 100644
--- a/src/gopt/impl/fuse_nchw4_int8_preprocess.cpp
+++ b/src/gopt/impl/fuse_nchw4_int8_preprocess.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/fuse_nchw4_int8_preprocess.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/gtrans.cpp b/src/gopt/impl/gtrans.cpp
index ac1c7db323937a0e605087c2df5a802be155b18a..bb1c9098bc920a15251cd8b2603e3e154d99cc4e 100644
--- a/src/gopt/impl/gtrans.cpp
+++ b/src/gopt/impl/gtrans.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/gtrans.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/inference.cpp b/src/gopt/impl/inference.cpp
index e8c3c988ad20e3e3f544dedfc76dc0b1e6c4664d..2e4ddcf8cfad03c18fc677416cc72b4732b06d49 100644
--- a/src/gopt/impl/inference.cpp
+++ b/src/gopt/impl/inference.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/inference.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/misc.cpp b/src/gopt/impl/misc.cpp
index 8c38228ef72e05a2d67d98c86ca11d40211f94a1..c84b5c4501ea83927ac8d1983d4d5b80c6db061f 100644
--- a/src/gopt/impl/misc.cpp
+++ b/src/gopt/impl/misc.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/misc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/impl/tensor_reformat.cpp b/src/gopt/impl/tensor_reformat.cpp
index 9a8cd45154eed20b966fcd0e2afd9509fc42257d..95ced74925a8fd17d51026e80208349bd1c47418 100644
--- a/src/gopt/impl/tensor_reformat.cpp
+++ b/src/gopt/impl/tensor_reformat.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/impl/tensor_reformat.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/include/megbrain/gopt/basic_arith.h b/src/gopt/include/megbrain/gopt/basic_arith.h
index 056a42fd2ac8fda261d55cba5b383de3888d2bee..fcaa3211d344b85bbba649b6fb54edf05e861555 100644
--- a/src/gopt/include/megbrain/gopt/basic_arith.h
+++ b/src/gopt/include/megbrain/gopt/basic_arith.h
@@ -2,7 +2,7 @@
  * \file src/gopt/include/megbrain/gopt/basic_arith.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/include/megbrain/gopt/framework.h b/src/gopt/include/megbrain/gopt/framework.h
index 091a2fe975fb7f77c5341855bdd1311a859e0f38..d8270e680b84b703b6aeb6871c6bc6e4ffcc2be5 100644
--- a/src/gopt/include/megbrain/gopt/framework.h
+++ b/src/gopt/include/megbrain/gopt/framework.h
@@ -2,7 +2,7 @@
  * \file src/gopt/include/megbrain/gopt/framework.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/include/megbrain/gopt/gtrans.h b/src/gopt/include/megbrain/gopt/gtrans.h
index 4bfc6a11a8979ee2dd612b852e210332a94fcd4e..563721a33c6d91364d8719f26b4f34d6fe4b92cd 100644
--- a/src/gopt/include/megbrain/gopt/gtrans.h
+++ b/src/gopt/include/megbrain/gopt/gtrans.h
@@ -2,7 +2,7 @@
  * \file src/gopt/include/megbrain/gopt/gtrans.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/include/megbrain/gopt/inference.h b/src/gopt/include/megbrain/gopt/inference.h
index 0ad3617b8e235444c250932e8119ab576496f874..aca7ad7b1e1e2fcb32d8b33a659aea3edbacec24 100644
--- a/src/gopt/include/megbrain/gopt/inference.h
+++ b/src/gopt/include/megbrain/gopt/inference.h
@@ -2,7 +2,7 @@
  * \file src/gopt/include/megbrain/gopt/inference.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/include/megbrain/gopt/misc.h b/src/gopt/include/megbrain/gopt/misc.h
index f6fc87adab62e7b147abce51f1539f848c09bd5c..4f7f0572da95a87f2cc15b305cf349ec8e22fc36 100644
--- a/src/gopt/include/megbrain/gopt/misc.h
+++ b/src/gopt/include/megbrain/gopt/misc.h
@@ -2,7 +2,7 @@
  * \file src/gopt/include/megbrain/gopt/misc.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/test/basic_arith.cpp b/src/gopt/test/basic_arith.cpp
index 7f2160668f951455622e1969cd5103e985fe5229..1769855f74eb414ff42a4a5b2ae514c3557530ec 100644
--- a/src/gopt/test/basic_arith.cpp
+++ b/src/gopt/test/basic_arith.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/test/basic_arith.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/test/gtrans.cpp b/src/gopt/test/gtrans.cpp
index 77cfdaeda200edfb6b9c257237b1805c78559f68..fe5416f455982761e4ca3c91cf44a4ceb6bcc328 100644
--- a/src/gopt/test/gtrans.cpp
+++ b/src/gopt/test/gtrans.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/test/gtrans.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/test/helper.cpp b/src/gopt/test/helper.cpp
index b8fa138d323d5273a2260cde3b58c088ace7da45..17f8971020257ff15a416edc542aa08264c06f68 100644
--- a/src/gopt/test/helper.cpp
+++ b/src/gopt/test/helper.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/test/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/test/helper.h b/src/gopt/test/helper.h
index 6ebd92dc43ebfc27ce2ce8e442a3d32ddaf5bb0a..fc036d7a95d3b13500647680152daa5c725aa0f0 100644
--- a/src/gopt/test/helper.h
+++ b/src/gopt/test/helper.h
@@ -2,7 +2,7 @@
  * \file src/gopt/test/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/test/inference.cpp b/src/gopt/test/inference.cpp
index 9f5fd29da1256e6a08f3223f301af18c3ea66e1c..f6e0f5409cdc274568fd801fa88613941e60476d 100644
--- a/src/gopt/test/inference.cpp
+++ b/src/gopt/test/inference.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/test/inference.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/gopt/test/misc.cpp b/src/gopt/test/misc.cpp
index 8f1688bc09e14838e1a774bd824a5232e973e0a0..ac38e9382703a0a356b24c8392d0d25e3b686536 100644
--- a/src/gopt/test/misc.cpp
+++ b/src/gopt/test/misc.cpp
@@ -2,7 +2,7 @@
  * \file src/gopt/test/misc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/ast_c.cpp b/src/jit/impl/ast_c.cpp
index 95143db33777aff1dc15aba5f3f664b101c82edb..d70d0b3353edb99245a443d3f201b15b2342cd1a 100644
--- a/src/jit/impl/ast_c.cpp
+++ b/src/jit/impl/ast_c.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/ast_c.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/compiler.cpp b/src/jit/impl/compiler.cpp
index 47094afc4f8f8facadc57fcb3423871461fa11bf..0b87242d84205b36a8c24f9860315c798c5720e1 100644
--- a/src/jit/impl/compiler.cpp
+++ b/src/jit/impl/compiler.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/compiler.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/executor_opr.cpp b/src/jit/impl/executor_opr.cpp
index b3d975d0d9cc062d7536a07b7175b86c34476362..c207aaad272e7f58b40c6796c11e263918c7640e 100644
--- a/src/jit/impl/executor_opr.cpp
+++ b/src/jit/impl/executor_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/executor_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/fusion_pass.cpp b/src/jit/impl/fusion_pass.cpp
index 6355a9be4fdfa65ac9b7e614c2f280f533cfbe9d..0f6712f576c52b1663f0a5af9c27d2558822b40f 100644
--- a/src/jit/impl/fusion_pass.cpp
+++ b/src/jit/impl/fusion_pass.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/fusion_pass.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/halide/ast_hl.cpp b/src/jit/impl/halide/ast_hl.cpp
index f67d22101bdbbd3f0a68bc1697960ea3872287d4..dbe0298dac2c0185e8355013be26fcf94df985cb 100644
--- a/src/jit/impl/halide/ast_hl.cpp
+++ b/src/jit/impl/halide/ast_hl.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/halide/ast_hl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/halide/ast_hl.h b/src/jit/impl/halide/ast_hl.h
index 17eb43d90ba8feb2544b11c850bac3f3af1a542c..c9e9c4e99df17190444bd1aef11990f778cacbd8 100644
--- a/src/jit/impl/halide/ast_hl.h
+++ b/src/jit/impl/halide/ast_hl.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/halide/ast_hl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/halide/compiler_cuda.cpp b/src/jit/impl/halide/compiler_cuda.cpp
index 3c109e2f87fe4753dd86520cc3cbc42c827ced53..b31462b62393bc248c3acf6d935dbeb32367fcb4 100644
--- a/src/jit/impl/halide/compiler_cuda.cpp
+++ b/src/jit/impl/halide/compiler_cuda.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/halide/compiler_cuda.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/halide/compiler_cuda.h b/src/jit/impl/halide/compiler_cuda.h
index 3ca09fd3dd1756cdfa0597124b2641c7660ae4cb..4adac35756d0640d789d765847811cacaf256481 100644
--- a/src/jit/impl/halide/compiler_cuda.h
+++ b/src/jit/impl/halide/compiler_cuda.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/halide/compiler_cuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/halide/halide_executable.cpp b/src/jit/impl/halide/halide_executable.cpp
index ec29d4fd7ebd1d67b5e0e5e438698151a3a9594f..1ad7ea580bb5c9a4c539d985c0ac149d1e674d86 100644
--- a/src/jit/impl/halide/halide_executable.cpp
+++ b/src/jit/impl/halide/halide_executable.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/halide/halide_executable.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/halide/halide_executable.h b/src/jit/impl/halide/halide_executable.h
index 3c92241611c33c930934d03ca5268d8e918d4c8a..b08bb7c7d1d14fd1fb4787193551b011a940fa34 100644
--- a/src/jit/impl/halide/halide_executable.h
+++ b/src/jit/impl/halide/halide_executable.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/halide/halide_executable.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/halide/halide_header.h b/src/jit/impl/halide/halide_header.h
index 8e8930874439aa24933b1ab2e756166930439fd0..9ac6d92adb398ed331b63f12b7aa8918fe4aa19c 100644
--- a/src/jit/impl/halide/halide_header.h
+++ b/src/jit/impl/halide/halide_header.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/halide/halide_header.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/internal_graph.cpp b/src/jit/impl/internal_graph.cpp
index e491b340cfa9f669e8f91b94a68223ab3b8268bc..71cb04497702be41a6c88bdb5aab3ed0d43d9055 100644
--- a/src/jit/impl/internal_graph.cpp
+++ b/src/jit/impl/internal_graph.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/internal_graph.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/jit.sereg.h b/src/jit/impl/jit.sereg.h
index 5cbbea6902ca1325f3cc58f4a68d79510dda460d..49cc2ce55d7fbefa049490a678d18e209c6314d5 100644
--- a/src/jit/impl/jit.sereg.h
+++ b/src/jit/impl/jit.sereg.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/jit.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/compiler.cpp b/src/jit/impl/mlir/compiler.cpp
index 53bd7eb67763ec4100514287abee2714ef0907a6..7f0873953a22e4c9f8d176ce861d3a62c5991c15 100644
--- a/src/jit/impl/mlir/compiler.cpp
+++ b/src/jit/impl/mlir/compiler.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/compiler.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/compiler.h b/src/jit/impl/mlir/compiler.h
index a48ce79f04bdae1009aaea47328ba94ddbcb8bec..d2a92f90cc57b5e64127981f06449ebf510cea7e 100644
--- a/src/jit/impl/mlir/compiler.h
+++ b/src/jit/impl/mlir/compiler.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/compiler.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/executable_cpu.cpp b/src/jit/impl/mlir/executable_cpu.cpp
index 275e8559bdff66c90839ae3ef9558a3eedbe20c6..5136b4b1e8192006c5896162b81319212c20591a 100644
--- a/src/jit/impl/mlir/executable_cpu.cpp
+++ b/src/jit/impl/mlir/executable_cpu.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/executable_cpu.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/executable_cpu.h b/src/jit/impl/mlir/executable_cpu.h
index 730d83618369808428393fad7f35a47797ef8b4d..805081bcc725293d7af7f16712707cdcd7d7a826 100644
--- a/src/jit/impl/mlir/executable_cpu.h
+++ b/src/jit/impl/mlir/executable_cpu.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/executable_cpu.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/executable_cuda.cpp b/src/jit/impl/mlir/executable_cuda.cpp
index cea26a67301b4e57df9b68ac81a107b4ce06ccfb..5ca15db71851f34bc934fa7ac4764c3812bb7aea 100644
--- a/src/jit/impl/mlir/executable_cuda.cpp
+++ b/src/jit/impl/mlir/executable_cuda.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/executable_cuda.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/executable_cuda.h b/src/jit/impl/mlir/executable_cuda.h
index 11a12626ca3f10d5c087fdd2a2636e720fcbf177..473623282e982e473112b520387d042c42aac5d9 100644
--- a/src/jit/impl/mlir/executable_cuda.h
+++ b/src/jit/impl/mlir/executable_cuda.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/executable_cuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/common.cpp b/src/jit/impl/mlir/ir/common.cpp
index 64061d9b1fe86d186c6bec26a57dddffbda539c3..1534316139d627bec9966e8bff124685a0dc0f46 100644
--- a/src/jit/impl/mlir/ir/common.cpp
+++ b/src/jit/impl/mlir/ir/common.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/common.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/common.h b/src/jit/impl/mlir/ir/common.h
index b175c49bbe60967ee198ca20975e1191c5ad0b8c..d8c4e9d6d44975f1b4766b6e85af144f20cba706 100644
--- a/src/jit/impl/mlir/ir/common.h
+++ b/src/jit/impl/mlir/ir/common.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/common.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/dialect.cpp b/src/jit/impl/mlir/ir/dialect.cpp
index 68dd4e8a6ef860cc7906d111a822555c9211e284..4aef60533266905bb69703ea9612a4411f85786e 100644
--- a/src/jit/impl/mlir/ir/dialect.cpp
+++ b/src/jit/impl/mlir/ir/dialect.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/dialect.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/each_mode.cpp b/src/jit/impl/mlir/ir/each_mode.cpp
index f2d8c12c6e208d1b76c0f5c89e31a08caa268bfa..6893962b2f565f2a8d603d4bee36646d85ef9ee2 100644
--- a/src/jit/impl/mlir/ir/each_mode.cpp
+++ b/src/jit/impl/mlir/ir/each_mode.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/each_mode.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/each_mode.h b/src/jit/impl/mlir/ir/each_mode.h
index 9ddc0da916078a93bbd77be29c5de3d2785dc0e9..74f07fc19bd8c7983227f8cc7baef8632a1b262c 100644
--- a/src/jit/impl/mlir/ir/each_mode.h
+++ b/src/jit/impl/mlir/ir/each_mode.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/each_mode.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/lower_to_affine_pass.cpp b/src/jit/impl/mlir/ir/lower_to_affine_pass.cpp
index c99867bab24c02a3af95603fd8b4fa7b87ac09fe..700d70a95075babc3a5c6a9852d09f4562bf6aef 100644
--- a/src/jit/impl/mlir/ir/lower_to_affine_pass.cpp
+++ b/src/jit/impl/mlir/ir/lower_to_affine_pass.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/lower_to_affine_pass.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/lower_to_gpu_pass.cpp b/src/jit/impl/mlir/ir/lower_to_gpu_pass.cpp
index c4fc7ebf3a4b6db8ad88489c4a4d418965c693bd..3067585d3e126bd25330454fdf19d9c6626a2fc9 100644
--- a/src/jit/impl/mlir/ir/lower_to_gpu_pass.cpp
+++ b/src/jit/impl/mlir/ir/lower_to_gpu_pass.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/lower_to_gpu_pass.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/lower_to_llvm_pass.cpp b/src/jit/impl/mlir/ir/lower_to_llvm_pass.cpp
index 34a0bf62326ba65b9870684c9a0bae73ff1cdd84..2ab64d7e8354c97b01c5d945ce98a2f261abd313 100644
--- a/src/jit/impl/mlir/ir/lower_to_llvm_pass.cpp
+++ b/src/jit/impl/mlir/ir/lower_to_llvm_pass.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/lower_to_llvm_pass.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/numerical.cpp b/src/jit/impl/mlir/ir/numerical.cpp
index 4d06ae6c2ac3053c1e0cbb76a9a5a60f95018aff..5f742f04acf20f9f260f9ef56825fe818d289bc4 100644
--- a/src/jit/impl/mlir/ir/numerical.cpp
+++ b/src/jit/impl/mlir/ir/numerical.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/numerical.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/numerical.h b/src/jit/impl/mlir/ir/numerical.h
index 9550701e5408a7ce5f7178fe196a98f50fac5566..8c44a4ad82fe0890cd051c3310c3cfb3eb034661 100644
--- a/src/jit/impl/mlir/ir/numerical.h
+++ b/src/jit/impl/mlir/ir/numerical.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/numerical.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/types.cpp b/src/jit/impl/mlir/ir/types.cpp
index a04755c50ed8c6c0cb09f6b23f07d124cc105303..056f6963ec7f09d3e72e61dc33bd457b6dab699e 100644
--- a/src/jit/impl/mlir/ir/types.cpp
+++ b/src/jit/impl/mlir/ir/types.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/types.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/types.h b/src/jit/impl/mlir/ir/types.h
index dacf2dea0d7ccae55e65d3844654667790893f30..51f29fe25d0f53554adc004f3a7bfebbf723263a 100644
--- a/src/jit/impl/mlir/ir/types.h
+++ b/src/jit/impl/mlir/ir/types.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/types.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/ir/utils.cpp b/src/jit/impl/mlir/ir/utils.cpp
index 3b40fc90216e8c780f33c95325cd07392731a937..f0076ea2bd9f9c92a7cc13c9583d2ab6ec3e2bb7 100644
--- a/src/jit/impl/mlir/ir/utils.cpp
+++ b/src/jit/impl/mlir/ir/utils.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/ir/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/mlir_gen.cpp b/src/jit/impl/mlir/mlir_gen.cpp
index 234d289d7ad3165e234fc60495b3c5ae796554af..d0e3fddbb2c28f237a1882989f3e22c8cab9f901 100644
--- a/src/jit/impl/mlir/mlir_gen.cpp
+++ b/src/jit/impl/mlir/mlir_gen.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/mlir_gen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/mlir/mlir_gen.h b/src/jit/impl/mlir/mlir_gen.h
index 21cd8a2a8d87c0145f11fba9dfd414360a5bda90..e54245d81898b5b8130dcef6fbe59e7385f32838 100644
--- a/src/jit/impl/mlir/mlir_gen.h
+++ b/src/jit/impl/mlir/mlir_gen.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/mlir/mlir_gen.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/nvrtc/codegen_cuda.cpp b/src/jit/impl/nvrtc/codegen_cuda.cpp
index 1a10884f1c8824a7c3f254b60025426c7ba16a75..1cf8b52ffd772842c887b7b8494b3d1f2f1b4b8d 100644
--- a/src/jit/impl/nvrtc/codegen_cuda.cpp
+++ b/src/jit/impl/nvrtc/codegen_cuda.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/nvrtc/codegen_cuda.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/nvrtc/codegen_cuda.h b/src/jit/impl/nvrtc/codegen_cuda.h
index bc74854e8536c5dfb50041cd8211dca0e65a0bd3..74624b2ae7e752fe1ba203d8c2147971ee5d049c 100644
--- a/src/jit/impl/nvrtc/codegen_cuda.h
+++ b/src/jit/impl/nvrtc/codegen_cuda.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/nvrtc/codegen_cuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/nvrtc/compiler_cuda.cpp b/src/jit/impl/nvrtc/compiler_cuda.cpp
index f8d3dfb43ed5f5902b69d8bd71d79ca690625db0..184bf95a78e001dcd3e146bf658c9f8065a623e2 100644
--- a/src/jit/impl/nvrtc/compiler_cuda.cpp
+++ b/src/jit/impl/nvrtc/compiler_cuda.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/nvrtc/compiler_cuda.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/nvrtc/compiler_cuda.h b/src/jit/impl/nvrtc/compiler_cuda.h
index c90ed856f848443100b259a394987735d2f5a86b..bcd058c6d757ed156c9c270f2d8359ce5e3267f4 100644
--- a/src/jit/impl/nvrtc/compiler_cuda.h
+++ b/src/jit/impl/nvrtc/compiler_cuda.h
@@ -2,7 +2,7 @@
  * \file src/jit/impl/nvrtc/compiler_cuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/placeholder_opr.cpp b/src/jit/impl/placeholder_opr.cpp
index 9de431991886a4043b669fb533d61a85992bd0bb..74f5082acba40292afda47863e130e151554c2ce 100644
--- a/src/jit/impl/placeholder_opr.cpp
+++ b/src/jit/impl/placeholder_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/placeholder_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/impl/utils.cpp b/src/jit/impl/utils.cpp
index aaf80e65a0ae6f444a15bbbfd9d9acd88e65b319..f2b4f737698299b8ba49e076f7fb8c9568419834 100644
--- a/src/jit/impl/utils.cpp
+++ b/src/jit/impl/utils.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/impl/utils.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/ast_c.h b/src/jit/include/megbrain/jit/ast_c.h
index c0d7d1f3dece0991940691053770b41cf1b49cf1..d46f2bfc48d0e84c1060bdef8b0d0b619d810ca4 100644
--- a/src/jit/include/megbrain/jit/ast_c.h
+++ b/src/jit/include/megbrain/jit/ast_c.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/ast_c.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/base.h b/src/jit/include/megbrain/jit/base.h
index 671d4555e677e10b3e17e595deed57e3b6cb9e74..620a439da6093ebd2201179c3c40af4082646e63 100644
--- a/src/jit/include/megbrain/jit/base.h
+++ b/src/jit/include/megbrain/jit/base.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/compiler.h b/src/jit/include/megbrain/jit/compiler.h
index 9778abfdca59cbf05b4fccd1824243eaa3116998..9f9b12c8800f3646b2f1683c7bd5dbfba9a9bdfd 100644
--- a/src/jit/include/megbrain/jit/compiler.h
+++ b/src/jit/include/megbrain/jit/compiler.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/compiler.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/executor_opr.h b/src/jit/include/megbrain/jit/executor_opr.h
index 4bc8b5b5fd998487f3e07613fccde324e7f3a284..0f9279f20dfb90ccfbd3836b5f7baa03a97a3be7 100644
--- a/src/jit/include/megbrain/jit/executor_opr.h
+++ b/src/jit/include/megbrain/jit/executor_opr.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/executor_opr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/fusion_pass.h b/src/jit/include/megbrain/jit/fusion_pass.h
index 398c328e994725f331895e82be4938a424f0bbce..91a7af9d35d1afeededf839107141b0035acd84a 100644
--- a/src/jit/include/megbrain/jit/fusion_pass.h
+++ b/src/jit/include/megbrain/jit/fusion_pass.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/fusion_pass.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/internal_graph.h b/src/jit/include/megbrain/jit/internal_graph.h
index 9471553660212988a5290b1adbf5612229cff94a..b5573373ed67bcea88164cce8d55fd7e0c973e3e 100644
--- a/src/jit/include/megbrain/jit/internal_graph.h
+++ b/src/jit/include/megbrain/jit/internal_graph.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/internal_graph.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/mlir/ir/dialect.h b/src/jit/include/megbrain/jit/mlir/ir/dialect.h
index 12c5ca73bd266f84c8f9eb49f19b9c67b1253e42..d11c95454826a31ae66f841f4ab71922054f8c4d 100644
--- a/src/jit/include/megbrain/jit/mlir/ir/dialect.h
+++ b/src/jit/include/megbrain/jit/mlir/ir/dialect.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/mlir/ir/dialect.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/mlir/ir/mgb_dialect.td b/src/jit/include/megbrain/jit/mlir/ir/mgb_dialect.td
index 01706b7066ab6452d48c04ee1418edd1fedbcb2a..70ed3e4d8af74a44148f7d135c43763aa0c1c9bd 100644
--- a/src/jit/include/megbrain/jit/mlir/ir/mgb_dialect.td
+++ b/src/jit/include/megbrain/jit/mlir/ir/mgb_dialect.td
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/mlir/ir/mgb_dialect.td
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/mlir/ir/passes.h b/src/jit/include/megbrain/jit/mlir/ir/passes.h
index 5f15a6ab89e1ed91dd123c38511b8148c5735844..1f33dfa24ad14f0496ee29b2ba167610ca7e6f91 100644
--- a/src/jit/include/megbrain/jit/mlir/ir/passes.h
+++ b/src/jit/include/megbrain/jit/mlir/ir/passes.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/mlir/ir/passes.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/mlir/ir/utils.h b/src/jit/include/megbrain/jit/mlir/ir/utils.h
index a65f102962de46997ecbda05aa8596a1c5a6d723..a5b5754a6f64463610744e6d6e47c2f0e1b785a6 100644
--- a/src/jit/include/megbrain/jit/mlir/ir/utils.h
+++ b/src/jit/include/megbrain/jit/mlir/ir/utils.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/mlir/ir/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/param_elem_visitor.h b/src/jit/include/megbrain/jit/param_elem_visitor.h
index 81c3dd139d3873fd4041c3c746209ed869a23582..5c08d83ec4c48cd0f055e179b54fd958a725a3c5 100644
--- a/src/jit/include/megbrain/jit/param_elem_visitor.h
+++ b/src/jit/include/megbrain/jit/param_elem_visitor.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/param_elem_visitor.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/placeholder_opr.h b/src/jit/include/megbrain/jit/placeholder_opr.h
index aacb42779b420cf2e8777292400680e8b68cfdbd..5af8a62486907f5a854c35c78a2c5e4444f84487 100644
--- a/src/jit/include/megbrain/jit/placeholder_opr.h
+++ b/src/jit/include/megbrain/jit/placeholder_opr.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/placeholder_opr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/include/megbrain/jit/utils.h b/src/jit/include/megbrain/jit/utils.h
index 7ca329456091bac29b6e7820a4ca16c40f29a8ab..f7ca98f8675956b39f95f1df644d88b61cc0b9cf 100644
--- a/src/jit/include/megbrain/jit/utils.h
+++ b/src/jit/include/megbrain/jit/utils.h
@@ -2,7 +2,7 @@
  * \file src/jit/include/megbrain/jit/utils.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/test/codegen.cpp b/src/jit/test/codegen.cpp
index e36a51725f5ffe9d71091b246e9c2a4fa601f9de..896aec5a386708b5658cf8824ccef878eef9f22f 100644
--- a/src/jit/test/codegen.cpp
+++ b/src/jit/test/codegen.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/test/codegen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/test/fusion.cpp b/src/jit/test/fusion.cpp
index 0561d72b1631810a8dbce1105e2d517fa12fb75f..a91e095cf3a28e45d07616215f4d972c4347a0f4 100644
--- a/src/jit/test/fusion.cpp
+++ b/src/jit/test/fusion.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/test/fusion.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/test/helper.cpp b/src/jit/test/helper.cpp
index eef8f6ef26e8152ea505a6905c0311c101401874..021bf2e89cad81672b60dce5d0c5baa585134577 100644
--- a/src/jit/test/helper.cpp
+++ b/src/jit/test/helper.cpp
@@ -2,7 +2,7 @@
  * \file src/jit/test/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/test/helper.h b/src/jit/test/helper.h
index f69df975ccb94e9649b65f1129714c3042249b6c..74cf98ff64f564d54f4689b2bb38c1697aab5d72 100644
--- a/src/jit/test/helper.h
+++ b/src/jit/test/helper.h
@@ -2,7 +2,7 @@
  * \file src/jit/test/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/jit/test/mlir/utils/lit.bzl.cfg.py b/src/jit/test/mlir/utils/lit.bzl.cfg.py
index 64eb7b5dd77900102e2b0c0300bfe2dc3c3cd5a6..fcad5d91e51813071f33301f54deb2ae1ed6cc3a 100644
--- a/src/jit/test/mlir/utils/lit.bzl.cfg.py
+++ b/src/jit/test/mlir/utils/lit.bzl.cfg.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/src/jit/test/mlir/utils/lit.bzl.site.cfg.py b/src/jit/test/mlir/utils/lit.bzl.site.cfg.py
index c149905236532b6567494cb85595326faf946696..45e27c157f302de19c1285190b75b9846d6e250c 100644
--- a/src/jit/test/mlir/utils/lit.bzl.site.cfg.py
+++ b/src/jit/test/mlir/utils/lit.bzl.site.cfg.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/src/jit/test/mlir/utils/lit.cfg.py b/src/jit/test/mlir/utils/lit.cfg.py
index a4a06252f16389a9a1f7898b69e57ea1d37137b9..e8d798118ff41acb15cbe0242c528297b10c4c90 100644
--- a/src/jit/test/mlir/utils/lit.cfg.py
+++ b/src/jit/test/mlir/utils/lit.cfg.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/src/megbrain_build_config.h.in b/src/megbrain_build_config.h.in
index 0db1250fbec1ff4f68d8fb4419854fd8e284e407..c50603463a787026e06db2b936457c1745b124bb 100644
--- a/src/megbrain_build_config.h.in
+++ b/src/megbrain_build_config.h.in
@@ -2,7 +2,7 @@
  * \file src/core/include/megbrain_build_config.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/impl/collective_comm.cpp b/src/opr-mm/impl/collective_comm.cpp
index b14f81d38346252d555102e133898e6921b5f25c..786a751675d39a4dba6de9a3016cb532be866ea5 100644
--- a/src/opr-mm/impl/collective_comm.cpp
+++ b/src/opr-mm/impl/collective_comm.cpp
@@ -2,7 +2,7 @@
  * \file src/opr-mm/impl/collective_comm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/impl/group_manager.cpp b/src/opr-mm/impl/group_manager.cpp
index 698bb2f02ccd48b4b3e392114e6d37a98eb826cb..9054c92be41c75de8bb532570cb2eab51497bc0a 100644
--- a/src/opr-mm/impl/group_manager.cpp
+++ b/src/opr-mm/impl/group_manager.cpp
@@ -2,7 +2,7 @@
  * \file src/opr-mm/impl/group_manager.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/impl/io_remote.cpp b/src/opr-mm/impl/io_remote.cpp
index b0285ba177fc05607b681f34e17677d74bdf7907..bc352617d8d0a8f43f1d25cbb51fda4793e968d5 100644
--- a/src/opr-mm/impl/io_remote.cpp
+++ b/src/opr-mm/impl/io_remote.cpp
@@ -2,7 +2,7 @@
  * \file src/opr-mm/impl/io_remote.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/impl/lock.cpp b/src/opr-mm/impl/lock.cpp
index e7f79658f7f18b0c0159ca3e306dce1f7c3aacc1..48f4ad103f10342972a18daa4ddf6a4efc82a00e 100644
--- a/src/opr-mm/impl/lock.cpp
+++ b/src/opr-mm/impl/lock.cpp
@@ -2,7 +2,7 @@
  * \file src/opr-mm/impl/lock.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/impl/megray_helper.cpp b/src/opr-mm/impl/megray_helper.cpp
index 1d99b90734b63c192d0192e86720f7152fa601a2..2f4c688fc4caf9e82691297d6e9da54dc2ce94dd 100644
--- a/src/opr-mm/impl/megray_helper.cpp
+++ b/src/opr-mm/impl/megray_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/opr-mm/impl/megray_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/impl/mm_handler.cpp b/src/opr-mm/impl/mm_handler.cpp
index 1dc9381dcce6b2cd2b974bd946c8adf2f8ad566f..be03601c4c5cdbde2a9f7d837e74ba3a7d653caa 100644
--- a/src/opr-mm/impl/mm_handler.cpp
+++ b/src/opr-mm/impl/mm_handler.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/src/opr-mm/include/megbrain/opr/collective_comm.h b/src/opr-mm/include/megbrain/opr/collective_comm.h
index 677dab77d73cc8c01fa065d31984d89991019bf0..a8a73afcc6b506a738f0a964b451eb69801d47dc 100644
--- a/src/opr-mm/include/megbrain/opr/collective_comm.h
+++ b/src/opr-mm/include/megbrain/opr/collective_comm.h
@@ -2,7 +2,7 @@
  * \file src/opr-mm/include/megbrain/opr/collective_comm.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/include/megbrain/opr/group_manager.h b/src/opr-mm/include/megbrain/opr/group_manager.h
index 3ee7222f6a979fbc76914abc7588e9bb2ce2107c..d397be82218931708ef84629e36e9bc9420d8127 100644
--- a/src/opr-mm/include/megbrain/opr/group_manager.h
+++ b/src/opr-mm/include/megbrain/opr/group_manager.h
@@ -2,7 +2,7 @@
  * \file src/opr-mm/include/megbrain/opr/group_manager.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/include/megbrain/opr/io_remote.h b/src/opr-mm/include/megbrain/opr/io_remote.h
index a5bb9ec6dbb6164f6e37b587ea5a10d15361b168..04929b6abd4cdc478bbae818ef121ab52fd2864e 100644
--- a/src/opr-mm/include/megbrain/opr/io_remote.h
+++ b/src/opr-mm/include/megbrain/opr/io_remote.h
@@ -2,7 +2,7 @@
  * \file src/opr-mm/include/megbrain/opr/io_remote.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/include/megbrain/opr/lock.h b/src/opr-mm/include/megbrain/opr/lock.h
index 6cc46cccc22128e49a74a5fedd62ffa0746dd284..f62d4d6b02e6f5d915ccec4614f3bb647a1c3557 100644
--- a/src/opr-mm/include/megbrain/opr/lock.h
+++ b/src/opr-mm/include/megbrain/opr/lock.h
@@ -2,7 +2,7 @@
  * \file src/opr-mm/include/megbrain/opr/lock.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/include/megbrain/opr/megray_helper.h b/src/opr-mm/include/megbrain/opr/megray_helper.h
index da4d47a13b8c9608a72d8d0b7a949abaaf71d38b..ac5f4787a445d076300845c61c480087f4d77cc1 100644
--- a/src/opr-mm/include/megbrain/opr/megray_helper.h
+++ b/src/opr-mm/include/megbrain/opr/megray_helper.h
@@ -2,7 +2,7 @@
  * \file src/opr-mm/include/megbrain/opr/megray_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/include/megbrain/opr/mm_handler.h b/src/opr-mm/include/megbrain/opr/mm_handler.h
index c5e5c0f694d22104c56a7e82a5c0de1819a9b2e0..49860d90277d0e34c5ac7ab4cf91818463dcd258 100644
--- a/src/opr-mm/include/megbrain/opr/mm_handler.h
+++ b/src/opr-mm/include/megbrain/opr/mm_handler.h
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/src/opr-mm/test/collective_comm.cpp b/src/opr-mm/test/collective_comm.cpp
index 5b9755e8c1b8f4820b7a89cd152d04ffaa7deb57..078759f959f099e665497a49f2d5ef7af8e73cda 100644
--- a/src/opr-mm/test/collective_comm.cpp
+++ b/src/opr-mm/test/collective_comm.cpp
@@ -2,7 +2,7 @@
  * \file src/opr-mm/test/collective_comm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/test/io_remote.cpp b/src/opr-mm/test/io_remote.cpp
index 3f965f83af2dfc6a34842f0377791d527631770a..e58cbe32c6f4ce3a9af77a8f4c811c98c586a535 100644
--- a/src/opr-mm/test/io_remote.cpp
+++ b/src/opr-mm/test/io_remote.cpp
@@ -2,7 +2,7 @@
  * \file src/opr-mm/test/io_remote.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/test/lock.cpp b/src/opr-mm/test/lock.cpp
index 56451848fe88449c1dff7bd2383381f9c904a85d..8053a1b2701ce95df597017804fa80e58e339b17 100644
--- a/src/opr-mm/test/lock.cpp
+++ b/src/opr-mm/test/lock.cpp
@@ -2,7 +2,7 @@
  * \file src/opr-mm/test/lock.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr-mm/test/mock_client.h b/src/opr-mm/test/mock_client.h
index fa02f3e6d74e2301d40fb9da947c119831c7d7b2..a0e5f57f413d80f8e4b03fa9aa5bf846f41517d5 100644
--- a/src/opr-mm/test/mock_client.h
+++ b/src/opr-mm/test/mock_client.h
@@ -2,7 +2,7 @@
  * \file src/opr-mm/test/mock_client.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/atlas_runtime_op.cpp b/src/opr/impl/atlas_runtime_op.cpp
index 46d3e4373ba83ba006dd476650cbf063174d17b6..b6323cf8143e35e7ae0c83ea491b8b9570696114 100644
--- a/src/opr/impl/atlas_runtime_op.cpp
+++ b/src/opr/impl/atlas_runtime_op.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/atlas_runtime_op.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/atlas_runtime_op.sereg.h b/src/opr/impl/atlas_runtime_op.sereg.h
index b81848c14fb9fe59d6dd9d01d888f77902d27ac9..2110e8a667e19fe8ac28c20f0ffcfce9b79ecf10 100644
--- a/src/opr/impl/atlas_runtime_op.sereg.h
+++ b/src/opr/impl/atlas_runtime_op.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/atlas_runtime_opr.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/basic_arith.cpp b/src/opr/impl/basic_arith.cpp
index 56897fc5f41a5a74e895c4073ef46a0468515cad..7570f714e3bf866164c305efeb911302604677c1 100644
--- a/src/opr/impl/basic_arith.cpp
+++ b/src/opr/impl/basic_arith.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/basic_arith.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/basic_arith.sereg.h b/src/opr/impl/basic_arith.sereg.h
index 1db4ba75e97a3101c143181740e8a1a448de722c..84c086aa571c848d2d5f1ca464d5e4b0515e0d1d 100644
--- a/src/opr/impl/basic_arith.sereg.h
+++ b/src/opr/impl/basic_arith.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/basic_arith.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/blas.cpp b/src/opr/impl/blas.cpp
index bb89a0a1a505560da60742b46e3f30cb26d164be..32ddf4eb421359826a744d7d7938d5a99b79b5bc 100644
--- a/src/opr/impl/blas.cpp
+++ b/src/opr/impl/blas.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/blas.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/blas.sereg.h b/src/opr/impl/blas.sereg.h
index 5ffb29cf1dd9bfd59b08aff21eb502aa2455a75e..04813fc9b8f9d9b61c809648c520ad816251d58d 100644
--- a/src/opr/impl/blas.sereg.h
+++ b/src/opr/impl/blas.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/blas.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/cond.cpp b/src/opr/impl/cond.cpp
index 66f29b240aee54520ee7cab29174372045f5158f..905f7d01f2b067a069e0ddf14dbdba8eda4f1c68 100644
--- a/src/opr/impl/cond.cpp
+++ b/src/opr/impl/cond.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/cond.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/cond.sereg.h b/src/opr/impl/cond.sereg.h
index 362c587a8da4ff25369a95dd98bbcb4c01196af2..d4bf53f358476b1fc9675d73870355b733a42655 100644
--- a/src/opr/impl/cond.sereg.h
+++ b/src/opr/impl/cond.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/cond.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/adaptive_pooling.cpp b/src/opr/impl/dnn/adaptive_pooling.cpp
index 14ec425e41ffe79e7464d2afa8fd75bcfe079c3e..8a80947e18d1b54b8ca84ce907115a3f6046f3cd 100644
--- a/src/opr/impl/dnn/adaptive_pooling.cpp
+++ b/src/opr/impl/dnn/adaptive_pooling.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/adaptive_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/batch_norm.cpp b/src/opr/impl/dnn/batch_norm.cpp
index 8fb4e3a3d2cb24d59ae82c95f16cd6eb6aecd3c4..d58c17f6fd47804fc434b77767932438030ae3eb 100644
--- a/src/opr/impl/dnn/batch_norm.cpp
+++ b/src/opr/impl/dnn/batch_norm.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/batch_norm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/convolution.cpp b/src/opr/impl/dnn/convolution.cpp
index 6402335d8ad03a70df0714cb53a5509a779ca353..8a061dccc1c7e25aa651107968c6fb3ef51d8844 100644
--- a/src/opr/impl/dnn/convolution.cpp
+++ b/src/opr/impl/dnn/convolution.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/dnn.sereg.h b/src/opr/impl/dnn/dnn.sereg.h
index 9a90e6c948e6ac65c23195305f84af26bd71dcc0..059585e8438ce583cf6ef4c47b3bbf5d691d0bff 100644
--- a/src/opr/impl/dnn/dnn.sereg.h
+++ b/src/opr/impl/dnn/dnn.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/dnn.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/fake_quant.cpp b/src/opr/impl/dnn/fake_quant.cpp
index f910947ec2f6e752910b091d65383a0ae0d22faf..2b2bb6dc5cf706b4c5b365f47faeb993592bea2f 100644
--- a/src/opr/impl/dnn/fake_quant.cpp
+++ b/src/opr/impl/dnn/fake_quant.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/fake_quant.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/helper.h b/src/opr/impl/dnn/helper.h
index c3c65e1b41d2896c0fdb6fdda14601c4e38b78fe..0bc0e3f8dec2b5b95ea244631b2ce239d7b2c3e9 100644
--- a/src/opr/impl/dnn/helper.h
+++ b/src/opr/impl/dnn/helper.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/images2neibs.cpp b/src/opr/impl/dnn/images2neibs.cpp
index e3bba1520195b3769bb616b1f23c32989f7a3b62..de984ddc5575de96e6dd7a5073d744b13c602dc4 100644
--- a/src/opr/impl/dnn/images2neibs.cpp
+++ b/src/opr/impl/dnn/images2neibs.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/images2neibs.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/local.cpp b/src/opr/impl/dnn/local.cpp
index 6795ed7ebc28910662235535dc4e7a081d57ca93..2b69d9c28a906ab16c64743750af371952d0cfea 100644
--- a/src/opr/impl/dnn/local.cpp
+++ b/src/opr/impl/dnn/local.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/lrn.cpp b/src/opr/impl/dnn/lrn.cpp
index 26395e64caa688ef13cb904d2e4f89cdf955aa03..95aecac7dba9bd7798ec0e919832796a96eb6203 100644
--- a/src/opr/impl/dnn/lrn.cpp
+++ b/src/opr/impl/dnn/lrn.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/lrn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/pooling.cpp b/src/opr/impl/dnn/pooling.cpp
index 01f3742ae56b0c514acef487389bfe1dd5181355..21fc94806d2fc213955e5426fe351fea1b2a610a 100644
--- a/src/opr/impl/dnn/pooling.cpp
+++ b/src/opr/impl/dnn/pooling.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/roi_align.cpp b/src/opr/impl/dnn/roi_align.cpp
index 5ebf401d2ca1d5586919fa9975214583aeb63971..b74a577153ac07a26401abc88d162cde94a931a1 100644
--- a/src/opr/impl/dnn/roi_align.cpp
+++ b/src/opr/impl/dnn/roi_align.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/roi_align.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/roi_pooling.cpp b/src/opr/impl/dnn/roi_pooling.cpp
index 90d03092b22e3b4860f119e62f0e330cf21120a4..f8886b49f5624896714354b723eddc67cdde7c1b 100644
--- a/src/opr/impl/dnn/roi_pooling.cpp
+++ b/src/opr/impl/dnn/roi_pooling.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/roi_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/dnn/tqt.cpp b/src/opr/impl/dnn/tqt.cpp
index 849347652e4b90f2a3c2f0c8e17508fe93196170..18d653af35f6e90b53e67afd133ed6e8c4103885 100644
--- a/src/opr/impl/dnn/tqt.cpp
+++ b/src/opr/impl/dnn/tqt.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/dnn/tqt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/imgproc.cpp b/src/opr/impl/imgproc.cpp
index 58e497efaca75693c737d7253542378b8f5eb637..1d424b407dbd2820e94251a7c7d535193d607431 100644
--- a/src/opr/impl/imgproc.cpp
+++ b/src/opr/impl/imgproc.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/imgproc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/imgproc.sereg.h b/src/opr/impl/imgproc.sereg.h
index e50d85e1ca299e6a42a1037458db54310b58c9fc..effacd3daa5d6c8c3f9de3c33e69436d50db6052 100644
--- a/src/opr/impl/imgproc.sereg.h
+++ b/src/opr/impl/imgproc.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/imgproc.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/indexing.cpp b/src/opr/impl/indexing.cpp
index f41129cd22ede642842419fd82403bdf0890fc39..2edee142fe637c16f6fff3d02914842785b44ca0 100644
--- a/src/opr/impl/indexing.cpp
+++ b/src/opr/impl/indexing.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/indexing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/indexing.sereg.h b/src/opr/impl/indexing.sereg.h
index d73f9ab28b792889c31f718ff2bc6c0bd59e807a..c4e120ba6033f1f1d3672cfc66598666985aa4f9 100644
--- a/src/opr/impl/indexing.sereg.h
+++ b/src/opr/impl/indexing.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/indexing.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/internal/identical_fwd.cpp b/src/opr/impl/internal/identical_fwd.cpp
index 0afd21a7d5566b689424579f30370edf3ba12933..5512d3459d4cfab8839bbb6ff64658d3cc118755 100644
--- a/src/opr/impl/internal/identical_fwd.cpp
+++ b/src/opr/impl/internal/identical_fwd.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/internal/identical_fwd.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/internal/indexing_helper.cpp b/src/opr/impl/internal/indexing_helper.cpp
index df6a81a9caca922ca2140e62df8c7bf989717986..db4f90870c14f7bd709e7e0946d3950db2e80436 100644
--- a/src/opr/impl/internal/indexing_helper.cpp
+++ b/src/opr/impl/internal/indexing_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/internal/indexing_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/internal/megdnn_opr_wrapper.cpp b/src/opr/impl/internal/megdnn_opr_wrapper.cpp
index 82e66a0d296da89f984e1214284b7846f5d0e3b6..8c6acb88ced81d4a9dae9e5d39d4c835e8c92726 100644
--- a/src/opr/impl/internal/megdnn_opr_wrapper.cpp
+++ b/src/opr/impl/internal/megdnn_opr_wrapper.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/internal/megdnn_opr_wrapper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/internal/megdnn_opr_wrapper.inl b/src/opr/impl/internal/megdnn_opr_wrapper.inl
index 04c642b533fb65bfd23026f69f19f145b0c1aa51..3ad5e83e81fc387289ce1ed5acb48b886be6a1c2 100644
--- a/src/opr/impl/internal/megdnn_opr_wrapper.inl
+++ b/src/opr/impl/internal/megdnn_opr_wrapper.inl
@@ -2,7 +2,7 @@
  * \file src/opr/impl/internal/megdnn_opr_wrapper.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/internal/megdnn_opr_wrapper_megdnn_opr_meth_invoker_impl.inl b/src/opr/impl/internal/megdnn_opr_wrapper_megdnn_opr_meth_invoker_impl.inl
index 0d752c1d55668d85f6a87a74f17219d62e5a753b..c23c27a0f026a7adf58156079d9d84f9fa6ccd15 100644
--- a/src/opr/impl/internal/megdnn_opr_wrapper_megdnn_opr_meth_invoker_impl.inl
+++ b/src/opr/impl/internal/megdnn_opr_wrapper_megdnn_opr_meth_invoker_impl.inl
@@ -2,7 +2,7 @@
  * \file src/opr/impl/internal/megdnn_opr_wrapper_megdnn_opr_meth_invoker_impl.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/internal/out_shape_by_sym_var.cpp b/src/opr/impl/internal/out_shape_by_sym_var.cpp
index 5a4ecf4acea6987b540c82c3bf95efabc8ba0414..30a56c9314b8bc71e73d00ab438ad31f63bc601a 100644
--- a/src/opr/impl/internal/out_shape_by_sym_var.cpp
+++ b/src/opr/impl/internal/out_shape_by_sym_var.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/internal/out_shape_by_sym_var.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/io.cpp b/src/opr/impl/io.cpp
index ee0da3e51401c6584c7addaf65ab98126952a96b..e8753be63ec0237091d6850f521d2ed967ef9b70 100644
--- a/src/opr/impl/io.cpp
+++ b/src/opr/impl/io.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/io.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/io.sereg.h b/src/opr/impl/io.sereg.h
index f41898dbfcbd68899c16d6ff9722ca7cd116cd9e..ac609d4aa8f42ea218fa22cdca686770f716c279 100644
--- a/src/opr/impl/io.sereg.h
+++ b/src/opr/impl/io.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/io.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/forward.cpp b/src/opr/impl/loop/forward.cpp
index bce04c774cfd4e6eefb53e6cec5773429f2801a6..679243abb26fb9ecdd1ec2227591d1570932583a 100644
--- a/src/opr/impl/loop/forward.cpp
+++ b/src/opr/impl/loop/forward.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/forward.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/forward.sereg.h b/src/opr/impl/loop/forward.sereg.h
index 030715d29b84c1163285f980e05fb4aa003c413b..091a3133472c553cfa0f4f512dfb9f96519e887c 100644
--- a/src/opr/impl/loop/forward.sereg.h
+++ b/src/opr/impl/loop/forward.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/forward.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/forward_sereg.cpp b/src/opr/impl/loop/forward_sereg.cpp
index a3dfec5d6b903a968922a6f8e753a49b384dcf55..353c65f06e9567e2e69254f20364aa27bebb97b9 100644
--- a/src/opr/impl/loop/forward_sereg.cpp
+++ b/src/opr/impl/loop/forward_sereg.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/forward_sereg.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/forward_sereg.h b/src/opr/impl/loop/forward_sereg.h
index 842414673660a86335e2fa35486563c3d153446f..4bd00c018d680e260b69f3bbc1bada9507e5e477 100644
--- a/src/opr/impl/loop/forward_sereg.h
+++ b/src/opr/impl/loop/forward_sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/forward_sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/grad.cpp b/src/opr/impl/loop/grad.cpp
index fd6ada5bb1a012915371124d966468a9eab90f81..44c33bb43f9ef70f9ce756dd4f22b613aac69243 100644
--- a/src/opr/impl/loop/grad.cpp
+++ b/src/opr/impl/loop/grad.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/grad.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/grad.h b/src/opr/impl/loop/grad.h
index ddc3934b5aab2e3428e5edd77a0cf24e757b406d..5ef843eef6dd2514425882725fc7fde2cc448d94 100644
--- a/src/opr/impl/loop/grad.h
+++ b/src/opr/impl/loop/grad.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/grad.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/grad.sereg.h b/src/opr/impl/loop/grad.sereg.h
index a84a18940e54a90b8d1d769b0f9e6bd9ebf5096b..2b64ed2ba44b2f4f84fb33dc2eedfb812bbf4d88 100644
--- a/src/opr/impl/loop/grad.sereg.h
+++ b/src/opr/impl/loop/grad.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/grad.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/grad_sereg.cpp b/src/opr/impl/loop/grad_sereg.cpp
index b57eb5168f9e7c6c374e396c270a4b50930cb8dc..3287e96de709c13a3b176a8de3eaafe626187444 100644
--- a/src/opr/impl/loop/grad_sereg.cpp
+++ b/src/opr/impl/loop/grad_sereg.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/grad_sereg.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/grad_sereg.h b/src/opr/impl/loop/grad_sereg.h
index 87a4ac62ffc9476e5594719c8db343937f4e6a61..48511bdfa8c5449fc342d52e54516fa5c3e73fb7 100644
--- a/src/opr/impl/loop/grad_sereg.h
+++ b/src/opr/impl/loop/grad_sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/grad_sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/impl.cpp b/src/opr/impl/loop/impl.cpp
index e34b59713a1660e99411044e663a9434b2635c6c..d2f6b61bcb8ca0b69aa762bbe9dfbd2e65e2eef8 100644
--- a/src/opr/impl/loop/impl.cpp
+++ b/src/opr/impl/loop/impl.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/impl.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/impl.h b/src/opr/impl/loop/impl.h
index b03b5da786f466e8bda6580fbbab06539e4f357c..becaea909c4452593c1cefb5fabd375613b997da 100644
--- a/src/opr/impl/loop/impl.h
+++ b/src/opr/impl/loop/impl.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/impl.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/output_recorder.cpp b/src/opr/impl/loop/output_recorder.cpp
index cad47589901d72dd565453a61842edacb881706f..a1c1c6a068e1ed3861bf53f5f75bc9f836233852 100644
--- a/src/opr/impl/loop/output_recorder.cpp
+++ b/src/opr/impl/loop/output_recorder.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/output_recorder.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/loop/output_recorder.h b/src/opr/impl/loop/output_recorder.h
index a4781960a3d8a8f879ec02502663dcdfd6443604..317ffc33cfbbfbd3328397f16eda1557144a89d4 100644
--- a/src/opr/impl/loop/output_recorder.h
+++ b/src/opr/impl/loop/output_recorder.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/loop/output_recorder.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/misc.cpp b/src/opr/impl/misc.cpp
index 93931680793fabcf1f285e92e1f2d5f1f507a878..f557e2b60dc9ea166b5e3bcf9c5fb1ac4c2b291d 100644
--- a/src/opr/impl/misc.cpp
+++ b/src/opr/impl/misc.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/misc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/misc.sereg.h b/src/opr/impl/misc.sereg.h
index a3780ac832a79ee95f9365eed310de05de2ad70a..3e4c16e382ccbed114f0a11860f915465f72a2b3 100644
--- a/src/opr/impl/misc.sereg.h
+++ b/src/opr/impl/misc.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/misc.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/muxing.cpp b/src/opr/impl/muxing.cpp
index 4d8a4a5f5d05d490459890075e1ae6d1bd90b571..e4b406653513bc77e3a8dc2ace5e46427074242e 100644
--- a/src/opr/impl/muxing.cpp
+++ b/src/opr/impl/muxing.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/muxing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nn_int.cpp b/src/opr/impl/nn_int.cpp
index 469ad5f7b03c21416ec29652e7b9ec27e7778d58..1238e2b513cb585d2550274cb80a2ad2dd80f345 100644
--- a/src/opr/impl/nn_int.cpp
+++ b/src/opr/impl/nn_int.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/nn_int.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nn_int.sereg.h b/src/opr/impl/nn_int.sereg.h
index 1fb9aa80436030d5cd2a9059341860f7ee674c01..911691506fc771b150cd3b5e6474a1b0b8d35cb1 100644
--- a/src/opr/impl/nn_int.sereg.h
+++ b/src/opr/impl/nn_int.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/nn_int.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/NvOF.cpp b/src/opr/impl/nvof/NvOF.cpp
index 3b7d87b995e94c7a6ad3fe5eaf27f14f6f2677cf..d696eb5b5573f8ca866a261726431af1d2a7b1f1 100644
--- a/src/opr/impl/nvof/NvOF.cpp
+++ b/src/opr/impl/nvof/NvOF.cpp
@@ -13,7 +13,7 @@
  * \file src/opr/impl/nvof/NvOF.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/NvOF.h b/src/opr/impl/nvof/NvOF.h
index f0a8e40b3c72d7ac5be98ca0ee642449f845aa4c..1fe34febe146743a7a7b221567839393c53ba51b 100644
--- a/src/opr/impl/nvof/NvOF.h
+++ b/src/opr/impl/nvof/NvOF.h
@@ -13,7 +13,7 @@
  * \file src/opr/impl/nvof/NvOF.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/NvOFCuda.cpp b/src/opr/impl/nvof/NvOFCuda.cpp
index b82ba74b9723dab61005d3e4591e9c54cff9a67a..c117d00260ff509493283a143bd5ba343d6172d1 100644
--- a/src/opr/impl/nvof/NvOFCuda.cpp
+++ b/src/opr/impl/nvof/NvOFCuda.cpp
@@ -13,7 +13,7 @@
  * \file src/opr/impl/nvof/NvOFCuda.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/NvOFCuda.h b/src/opr/impl/nvof/NvOFCuda.h
index 35c14736f97d8c53a8b9b7c6156d914b333caf00..afaea985d94ab05ddf6c51d269a72ab8269e330a 100644
--- a/src/opr/impl/nvof/NvOFCuda.h
+++ b/src/opr/impl/nvof/NvOFCuda.h
@@ -13,7 +13,7 @@
  * \file src/opr/impl/nvof/NvOFCuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/NvOFDefines.h b/src/opr/impl/nvof/NvOFDefines.h
index 1d4a09d0e6ac7df1431819de8ba4fcbcdb5cecf3..de76bb30f4d9d824b51b02037407690173c64bd0 100644
--- a/src/opr/impl/nvof/NvOFDefines.h
+++ b/src/opr/impl/nvof/NvOFDefines.h
@@ -13,7 +13,7 @@
  * \file src/opr/impl/nvof/NvOFDefines.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/denseflownvidia.cpp b/src/opr/impl/nvof/denseflownvidia.cpp
index 5793018bf0166938db25d622b922fb7f0cb47bb9..5b8cc8f5cbcfe31e61701aa40a77702d90b75b65 100644
--- a/src/opr/impl/nvof/denseflownvidia.cpp
+++ b/src/opr/impl/nvof/denseflownvidia.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/nvof/denseflownvidia.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/denseflownvidia.h b/src/opr/impl/nvof/denseflownvidia.h
index c8c7b5465c5a0d676d9d9321a57100ccbb3aa9fb..9294628461c8a7f065b4d8672f90ab542360e1c4 100644
--- a/src/opr/impl/nvof/denseflownvidia.h
+++ b/src/opr/impl/nvof/denseflownvidia.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/nvof/denseflownvidia.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/nvOpticalFlowCommon.h b/src/opr/impl/nvof/nvOpticalFlowCommon.h
index f5ea372e857f10805c2d560e86d52d576a05a04c..392b7a30bd99c2c352b6a5c18a6602d22291e02b 100644
--- a/src/opr/impl/nvof/nvOpticalFlowCommon.h
+++ b/src/opr/impl/nvof/nvOpticalFlowCommon.h
@@ -38,7 +38,7 @@
  * \file src/opr/impl/nvof/nvOpticalFlowCommon.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/nvof/nvOpticalFlowCuda.h b/src/opr/impl/nvof/nvOpticalFlowCuda.h
index 2cbf63e0b8747ef779231ecf154b3573755c51eb..a09ece1b675663c748894019c50fc625db5d0fa4 100644
--- a/src/opr/impl/nvof/nvOpticalFlowCuda.h
+++ b/src/opr/impl/nvof/nvOpticalFlowCuda.h
@@ -37,7 +37,7 @@
  * \file src/opr/impl/nvof/nvOpticalFlowCuda.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/rand.cpp b/src/opr/impl/rand.cpp
index e25d5f9167fbcfc98a18335af568739337372110..7bc0c724872711a0df15ca555cff99af40ee93f0 100644
--- a/src/opr/impl/rand.cpp
+++ b/src/opr/impl/rand.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/rand.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/rand.sereg.h b/src/opr/impl/rand.sereg.h
index e319e3ed0d1f738e1282b83f0a73f9e24b7aed58..68869f0b5db950b44eabd9ce254af8b8364d4db9 100644
--- a/src/opr/impl/rand.sereg.h
+++ b/src/opr/impl/rand.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/rand.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/search_policy/algo_chooser.cpp b/src/opr/impl/search_policy/algo_chooser.cpp
index f9d72994926901ec0cefad6245d05900230447a1..4860a4d56546e3e4d9ed05e76515e95156b2b3fa 100644
--- a/src/opr/impl/search_policy/algo_chooser.cpp
+++ b/src/opr/impl/search_policy/algo_chooser.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/search_policy/algo_chooser.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/search_policy/algo_chooser_helper.cpp b/src/opr/impl/search_policy/algo_chooser_helper.cpp
index 5ccf388fc8e83e5e3b9221d731d9de20b5f27337..49e9ca19ca33e99aabb84916f34f17f1a2aa4bb2 100644
--- a/src/opr/impl/search_policy/algo_chooser_helper.cpp
+++ b/src/opr/impl/search_policy/algo_chooser_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/search_policy/algo_chooser_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/search_policy/profiler.cpp b/src/opr/impl/search_policy/profiler.cpp
index 1b3c7c838f5942c3ea1305bf72707d7cdab884b8..2d25eab71744c73ae8fad4c5c0a62757fdd3c6c2 100644
--- a/src/opr/impl/search_policy/profiler.cpp
+++ b/src/opr/impl/search_policy/profiler.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/search_policy/profile.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/search_policy/workspace_need_limit_getter.inl b/src/opr/impl/search_policy/workspace_need_limit_getter.inl
index 73be379f16d76fe584c6ff0de42d79db5f97e7e4..d8defec9a8b876ee24c1987bc105fd7af518a733 100644
--- a/src/opr/impl/search_policy/workspace_need_limit_getter.inl
+++ b/src/opr/impl/search_policy/workspace_need_limit_getter.inl
@@ -2,7 +2,7 @@
  * \file src/opr/impl/search_policy/workspace_need_limit_getter.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/tensor_gen.cpp b/src/opr/impl/tensor_gen.cpp
index 47b102fefea08721837a9d98d72e595dc17cf6e3..53a409a063357325c42f69c96646d8f706e17083 100644
--- a/src/opr/impl/tensor_gen.cpp
+++ b/src/opr/impl/tensor_gen.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/tensor_gen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/tensor_gen.sereg.h b/src/opr/impl/tensor_gen.sereg.h
index b67aa74a79c70fde4ce416454137843152a4c826..c91f8db7e578502c7b6abf1e6ac90144da6f3d40 100644
--- a/src/opr/impl/tensor_gen.sereg.h
+++ b/src/opr/impl/tensor_gen.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/tensor_gen.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/tensor_manip.cpp b/src/opr/impl/tensor_manip.cpp
index 1a71a5af4e23d7225050c0bb84d7ae24e10ddf28..03e453bcb113097d844df3c5958cfb1c4d0fb466 100644
--- a/src/opr/impl/tensor_manip.cpp
+++ b/src/opr/impl/tensor_manip.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/tensor_manip.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/tensor_manip.sereg.h b/src/opr/impl/tensor_manip.sereg.h
index adb5db42c227a395624a8c41b8929812e4b5023e..1926136d4bd2832bf1472c7bcd47635f894aa94c 100644
--- a/src/opr/impl/tensor_manip.sereg.h
+++ b/src/opr/impl/tensor_manip.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/tensor_manip.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/utility.cpp b/src/opr/impl/utility.cpp
index 0463572e896e313e2f260688cf5730f308779398..808e858ff907855602e2731cb51a78733a0c7e1f 100644
--- a/src/opr/impl/utility.cpp
+++ b/src/opr/impl/utility.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/impl/utility.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/impl/utility.sereg.h b/src/opr/impl/utility.sereg.h
index eb866117608aabfe51dbf9970f3bff407dd02486..61e4c7f3a5ffa1c0dad9e14d125bbcd3854ffcc0 100644
--- a/src/opr/impl/utility.sereg.h
+++ b/src/opr/impl/utility.sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/impl/utility.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/atlas_runtime_op.h b/src/opr/include/megbrain/opr/atlas_runtime_op.h
index eca1800b25e05fdecf6fadb02737fcd56d98f0c4..eb6a9f344eef5d1aef16a5c495e6e242e3f331ab 100644
--- a/src/opr/include/megbrain/opr/atlas_runtime_op.h
+++ b/src/opr/include/megbrain/opr/atlas_runtime_op.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/atlas_runtime_op.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/basic_arith.h b/src/opr/include/megbrain/opr/basic_arith.h
index e541e553c6dbe800837db1d9e7272a14c9323fbe..848ecc44e7025d81c7d709481ad46d2ce5025d9d 100644
--- a/src/opr/include/megbrain/opr/basic_arith.h
+++ b/src/opr/include/megbrain/opr/basic_arith.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/basic_arith.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/basic_arith_wrapper.h b/src/opr/include/megbrain/opr/basic_arith_wrapper.h
index 2397e83bc8fce2570f401c1c30184ad1420e3464..4ea820b22ec5acab94d3b7a9c82c0b447ffe2d9d 100644
--- a/src/opr/include/megbrain/opr/basic_arith_wrapper.h
+++ b/src/opr/include/megbrain/opr/basic_arith_wrapper.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/basic_arith_wrapper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/blas.h b/src/opr/include/megbrain/opr/blas.h
index f007195ccb8ab043d2aee302bfc2a647125d12a7..12227cdcd152795e1f7565b52b27002226ec4f16 100644
--- a/src/opr/include/megbrain/opr/blas.h
+++ b/src/opr/include/megbrain/opr/blas.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/blas.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/cond.h b/src/opr/include/megbrain/opr/cond.h
index 0a20b5c5041509478d0d1d6f8b9d02ccf70a3727..33fbfb755be97287936de26d00d313287a0906cb 100644
--- a/src/opr/include/megbrain/opr/cond.h
+++ b/src/opr/include/megbrain/opr/cond.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/cond.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/adaptive_pooling.h b/src/opr/include/megbrain/opr/dnn/adaptive_pooling.h
index aa94f9c1e6b44cd36eec268f85efd2f7bd78115e..f77a4b17a893f9e98fafc4712100501fa1422f9d 100644
--- a/src/opr/include/megbrain/opr/dnn/adaptive_pooling.h
+++ b/src/opr/include/megbrain/opr/dnn/adaptive_pooling.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/adaptive_pooling.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/batch_norm.h b/src/opr/include/megbrain/opr/dnn/batch_norm.h
index c3ca2f2416a70ec773f50c6e177efc8316fde489..774582dea7c9bc903442b728b8859a81a1ddeb10 100644
--- a/src/opr/include/megbrain/opr/dnn/batch_norm.h
+++ b/src/opr/include/megbrain/opr/dnn/batch_norm.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/batch_norm.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/convolution.h b/src/opr/include/megbrain/opr/dnn/convolution.h
index 4af1bfc22af269e3ff7fbf6915d920c0b29657ee..bf005d7211b8c1cdd3c1d5f5e05465c1d2f8f0de 100644
--- a/src/opr/include/megbrain/opr/dnn/convolution.h
+++ b/src/opr/include/megbrain/opr/dnn/convolution.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/convolution.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/fake_quant.h b/src/opr/include/megbrain/opr/dnn/fake_quant.h
index e73fe1ad90981126d4eba6dcff909d1059066b73..7b42e01c7b74c0dae10bc9046656c4dfd8597923 100644
--- a/src/opr/include/megbrain/opr/dnn/fake_quant.h
+++ b/src/opr/include/megbrain/opr/dnn/fake_quant.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/fake_quant.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/images2neibs.h b/src/opr/include/megbrain/opr/dnn/images2neibs.h
index 49126f970397b0e308a9868a7834c3dec9fae195..ac1c3a2f7127eeb13bd2dfdf9c69c0f7c6979026 100644
--- a/src/opr/include/megbrain/opr/dnn/images2neibs.h
+++ b/src/opr/include/megbrain/opr/dnn/images2neibs.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/images2neibs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/local.h b/src/opr/include/megbrain/opr/dnn/local.h
index 0363e9a25e616302446366d7d362ab50d2563506..0a89d4daeaf0b882f2b945a7dfe7d9969a86c057 100644
--- a/src/opr/include/megbrain/opr/dnn/local.h
+++ b/src/opr/include/megbrain/opr/dnn/local.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/local.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/lrn.h b/src/opr/include/megbrain/opr/dnn/lrn.h
index 364495dd8e8433e32789bfa6742415f472a86341..347df58af4630dae57583f37b503e16cdaa853d4 100644
--- a/src/opr/include/megbrain/opr/dnn/lrn.h
+++ b/src/opr/include/megbrain/opr/dnn/lrn.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/lrn.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/pooling.h b/src/opr/include/megbrain/opr/dnn/pooling.h
index 6f8f99ee4932d64c7820a5a7ca40859e314564a5..83b7ba804a6ae83421eccfe75680c916da201f4a 100644
--- a/src/opr/include/megbrain/opr/dnn/pooling.h
+++ b/src/opr/include/megbrain/opr/dnn/pooling.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/pooling.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/roi_align.h b/src/opr/include/megbrain/opr/dnn/roi_align.h
index 43515828938972827a86e8eef72c48b869675ff8..cb4faa6b69ca06c6202ebff106526f106f5f861e 100644
--- a/src/opr/include/megbrain/opr/dnn/roi_align.h
+++ b/src/opr/include/megbrain/opr/dnn/roi_align.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/roi_align.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/roi_pooling.h b/src/opr/include/megbrain/opr/dnn/roi_pooling.h
index 405fb04f375177d1d028cc08a0a9c8d4339b444c..692a2834c6bb3a982997ecf5c4b43b5f4e1eb23e 100644
--- a/src/opr/include/megbrain/opr/dnn/roi_pooling.h
+++ b/src/opr/include/megbrain/opr/dnn/roi_pooling.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/roi_pooling.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/dnn/tqt.h b/src/opr/include/megbrain/opr/dnn/tqt.h
index 61b3957138b7eb5a0d2d24754b5ca453d542403b..5ef9fed1d142de6c85cdec55dee621e2d1f75e16 100644
--- a/src/opr/include/megbrain/opr/dnn/tqt.h
+++ b/src/opr/include/megbrain/opr/dnn/tqt.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/dnn/tqt.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/imgproc.h b/src/opr/include/megbrain/opr/imgproc.h
index d4fabc9e95340986f6f296a7fd021c19cc2fa46a..7bfc71c29a2ed3679bb1134c3a0c0af7618d61e2 100644
--- a/src/opr/include/megbrain/opr/imgproc.h
+++ b/src/opr/include/megbrain/opr/imgproc.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/imgproc.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/indexing.h b/src/opr/include/megbrain/opr/indexing.h
index d9104100d2aab6e01bce5ca672ee5534c6af557f..60c655e31379ee0ffb42fbaa47c6a6322837ec89 100644
--- a/src/opr/include/megbrain/opr/indexing.h
+++ b/src/opr/include/megbrain/opr/indexing.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/indexing.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/internal/identical_fwd.h b/src/opr/include/megbrain/opr/internal/identical_fwd.h
index 8e2b7702ee671f652b727d66ceab0735f59458ed..cc643a1f13190c3566599917d5440321712e7dd8 100644
--- a/src/opr/include/megbrain/opr/internal/identical_fwd.h
+++ b/src/opr/include/megbrain/opr/internal/identical_fwd.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/internal/identical_fwd.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/internal/indexing_helper.h b/src/opr/include/megbrain/opr/internal/indexing_helper.h
index bf6a551945c4448fbd46063ba83a9a1c8ad88fab..9f6406d79c43bd28276733655e4d2b81559dc351 100644
--- a/src/opr/include/megbrain/opr/internal/indexing_helper.h
+++ b/src/opr/include/megbrain/opr/internal/indexing_helper.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/internal/indexing_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/internal/indexing_helper_sereg.h b/src/opr/include/megbrain/opr/internal/indexing_helper_sereg.h
index 2d1ec286b0a6051eb20baec4f1979a1062170edb..ddf07b74fe6ebf4b0a28a07276d844e4352a986a 100644
--- a/src/opr/include/megbrain/opr/internal/indexing_helper_sereg.h
+++ b/src/opr/include/megbrain/opr/internal/indexing_helper_sereg.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/internal/indexing_helper_sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/internal/megdnn_opr_wrapper.h b/src/opr/include/megbrain/opr/internal/megdnn_opr_wrapper.h
index 236eadaa308eba4e7c8bbda6c521ca6343208432..916488ddc907d2927697c473c423b004e5197577 100644
--- a/src/opr/include/megbrain/opr/internal/megdnn_opr_wrapper.h
+++ b/src/opr/include/megbrain/opr/internal/megdnn_opr_wrapper.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/internal/megdnn_opr_wrapper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/internal/mixin_base.h b/src/opr/include/megbrain/opr/internal/mixin_base.h
index fb6b32a5f18e5d940d99ef30d14546f652a7949e..5f8d7ea2f076e994f2cac59d8cdf5412e63db422 100644
--- a/src/opr/include/megbrain/opr/internal/mixin_base.h
+++ b/src/opr/include/megbrain/opr/internal/mixin_base.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/internal/mixin_base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/internal/out_shape_by_sym_var.h b/src/opr/include/megbrain/opr/internal/out_shape_by_sym_var.h
index d63523378106be9345a4f368379fb47b46eab073..fb10d70940bd5479bf52fc82bcb05a7f9875f081 100644
--- a/src/opr/include/megbrain/opr/internal/out_shape_by_sym_var.h
+++ b/src/opr/include/megbrain/opr/internal/out_shape_by_sym_var.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/internal/out_shape_by_sym_var.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/internal/param_tag_defs.h b/src/opr/include/megbrain/opr/internal/param_tag_defs.h
index 843d75073b5ca2647e55f7a2d78ff25439c3edb7..ed82dce7ce5071b2961b6bd6b12486a4fedc0442 100644
--- a/src/opr/include/megbrain/opr/internal/param_tag_defs.h
+++ b/src/opr/include/megbrain/opr/internal/param_tag_defs.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/internal/param_tag_defs.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/io.h b/src/opr/include/megbrain/opr/io.h
index d6b4c1ecec2bdc85db0382fc4956e32976f10efd..040e262190a39825a8d7e31297076c53202143f7 100644
--- a/src/opr/include/megbrain/opr/io.h
+++ b/src/opr/include/megbrain/opr/io.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/io.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/loop.h b/src/opr/include/megbrain/opr/loop.h
index f254223bd973e4a84abd5d37988e485684d90fba..8ade6d3c7d5ab7e8df44e05f65318273d555b1c0 100644
--- a/src/opr/include/megbrain/opr/loop.h
+++ b/src/opr/include/megbrain/opr/loop.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/loop.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/misc.h b/src/opr/include/megbrain/opr/misc.h
index c3826dba938de121627654ab4bcb4a23a2bf1127..63d17b5907b0e97c0a4ed8169240abd54a18af71 100644
--- a/src/opr/include/megbrain/opr/misc.h
+++ b/src/opr/include/megbrain/opr/misc.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/misc.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/muxing.h b/src/opr/include/megbrain/opr/muxing.h
index a74fc3dd363eaebc1fd430818bbdf1e45760bd6e..5129a4355bac9835794e7d07e57be593917a2371 100644
--- a/src/opr/include/megbrain/opr/muxing.h
+++ b/src/opr/include/megbrain/opr/muxing.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/muxing.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/nn_int.h b/src/opr/include/megbrain/opr/nn_int.h
index 5b608ad291a2434f88e2243e2966725485d3517c..2d72f33ef8ed1ec5c277a561d08252c37c2c3d8b 100644
--- a/src/opr/include/megbrain/opr/nn_int.h
+++ b/src/opr/include/megbrain/opr/nn_int.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/nn_int.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/rand.h b/src/opr/include/megbrain/opr/rand.h
index f4fc4526a21561128e751c52dea165156bcf0820..b1508a5838c79a98d97b9f4e65771882bf526e60 100644
--- a/src/opr/include/megbrain/opr/rand.h
+++ b/src/opr/include/megbrain/opr/rand.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/rand.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/search_policy/algo_chooser.h b/src/opr/include/megbrain/opr/search_policy/algo_chooser.h
index 1a1939219cb4450773bb979a949e9343f240f5e6..d4ffbbd17d6d65844530a73be9d9d8c7f5480035 100644
--- a/src/opr/include/megbrain/opr/search_policy/algo_chooser.h
+++ b/src/opr/include/megbrain/opr/search_policy/algo_chooser.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/search_policy/algo_chooser.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/search_policy/algo_chooser_helper.h b/src/opr/include/megbrain/opr/search_policy/algo_chooser_helper.h
index c0b8699a264a2b2c04f7cc047c52a7877b8cd0f6..8c69ab35dd6d9591fb1049719b0dbf8a3f7b00e8 100644
--- a/src/opr/include/megbrain/opr/search_policy/algo_chooser_helper.h
+++ b/src/opr/include/megbrain/opr/search_policy/algo_chooser_helper.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/search_policy/algo_chooser_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/search_policy/profiler.h b/src/opr/include/megbrain/opr/search_policy/profiler.h
index a59ba5eba6ec4146aa1c9a2d93c54168a839a476..02d076326496d127900f88871612faac7f72c018 100644
--- a/src/opr/include/megbrain/opr/search_policy/profiler.h
+++ b/src/opr/include/megbrain/opr/search_policy/profiler.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/search_policy/profile.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/tensor_gen.h b/src/opr/include/megbrain/opr/tensor_gen.h
index bb2efe2b85c087d29ec21c99112ea019100bfce0..75f0d7b35260c50e1ed6d96416e8381e5c07d313 100644
--- a/src/opr/include/megbrain/opr/tensor_gen.h
+++ b/src/opr/include/megbrain/opr/tensor_gen.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/tensor_gen.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/tensor_manip.h b/src/opr/include/megbrain/opr/tensor_manip.h
index 1c7b15aa66a24b9ef3203783fdd4d6c63f01a9ab..dd3713e33902d487e841a1a6428f57f3b6d3ff9f 100644
--- a/src/opr/include/megbrain/opr/tensor_manip.h
+++ b/src/opr/include/megbrain/opr/tensor_manip.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/tensor_manip.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/include/megbrain/opr/utility.h b/src/opr/include/megbrain/opr/utility.h
index 37783dec750ed3957b96a5d8551e5ea0e10fe4c0..8f3cf6b80d2209b5d9adbdf2b413b20b11896521 100644
--- a/src/opr/include/megbrain/opr/utility.h
+++ b/src/opr/include/megbrain/opr/utility.h
@@ -2,7 +2,7 @@
  * \file src/opr/include/megbrain/opr/utility.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/atlas_runtime_op.cpp b/src/opr/test/atlas_runtime_op.cpp
index b837da44081d610dbcd7d5461c10467d7f9ccacc..883d71a08ae7690d05f7d22bff55abebb1715188 100644
--- a/src/opr/test/atlas_runtime_op.cpp
+++ b/src/opr/test/atlas_runtime_op.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/atlas_runtime_op.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/basic_arith/elemwise.cpp b/src/opr/test/basic_arith/elemwise.cpp
index dc3e92c008da4f295edf3b737ddf0b5a7c1b9252..87aac28eafea35ac75a3dd5a678c286be5e31357 100644
--- a/src/opr/test/basic_arith/elemwise.cpp
+++ b/src/opr/test/basic_arith/elemwise.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/basic_arith/elemwise.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/basic_arith/elemwise_binary_trait_def.inl b/src/opr/test/basic_arith/elemwise_binary_trait_def.inl
index 0a70f1b95dfdd6f0ca23350b611562c6f5c2c4e9..481667d985e3a4e9400a7412788821dc550e874a 100644
--- a/src/opr/test/basic_arith/elemwise_binary_trait_def.inl
+++ b/src/opr/test/basic_arith/elemwise_binary_trait_def.inl
@@ -2,7 +2,7 @@
  * \file src/opr/test/basic_arith/elemwise_binary_trait_def.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/basic_arith/elemwise_ternary_trait_def.inl b/src/opr/test/basic_arith/elemwise_ternary_trait_def.inl
index 4c4a5fda42166c929b0cf4c99132dc5811d24bc5..5c0dc1dff49c3821cac4e2da571fb2f3dfbbe1bd 100644
--- a/src/opr/test/basic_arith/elemwise_ternary_trait_def.inl
+++ b/src/opr/test/basic_arith/elemwise_ternary_trait_def.inl
@@ -2,7 +2,7 @@
  * \file src/opr/test/basic_arith/elemwise_ternary_trait_def.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/basic_arith/elemwise_unary_trait_def.inl b/src/opr/test/basic_arith/elemwise_unary_trait_def.inl
index e0e9d41b7a43ce9380a310aceb935a05fdd66efd..1d1d64c61d4c4ded2e948d99e87161f00ef99b02 100644
--- a/src/opr/test/basic_arith/elemwise_unary_trait_def.inl
+++ b/src/opr/test/basic_arith/elemwise_unary_trait_def.inl
@@ -2,7 +2,7 @@
  * \file src/opr/test/basic_arith/elemwise_unary_trait_def.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/basic_arith/erfinv.h b/src/opr/test/basic_arith/erfinv.h
index 284c30084a8e2e720fc182ae1c4ff9c2fcf4fe14..3a6d53eced28b046eadf09d481b9794203e524fa 100644
--- a/src/opr/test/basic_arith/erfinv.h
+++ b/src/opr/test/basic_arith/erfinv.h
@@ -28,7 +28,7 @@
  *
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/basic_arith/others.cpp b/src/opr/test/basic_arith/others.cpp
index f599da7dccaf2583ec76cbde847b94333f6d4903..951a2aa4e31399d451a6912a85633be8454489ee 100644
--- a/src/opr/test/basic_arith/others.cpp
+++ b/src/opr/test/basic_arith/others.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/basic_arith/others.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/basic_arith/reduction.cpp b/src/opr/test/basic_arith/reduction.cpp
index 0e74f4764c6462790e6184beae2cae409836ce1f..58dec096b6707aee43a0a73493e340f1bb531bfb 100644
--- a/src/opr/test/basic_arith/reduction.cpp
+++ b/src/opr/test/basic_arith/reduction.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/basic_arith/reduction.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/blas.cpp b/src/opr/test/blas.cpp
index 4373e9a7723177640e4184aa39ca13a2de9a4fd5..10ada0c9d6151d622fffb5460587f70584e1f985 100644
--- a/src/opr/test/blas.cpp
+++ b/src/opr/test/blas.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/blas.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/cond.cpp b/src/opr/test/cond.cpp
index ab8e6d1d28b9fedeb152ab020e616ee8c891af05..4ed560bea609638f147b3e626ce1db3fc9ddd492 100644
--- a/src/opr/test/cond.cpp
+++ b/src/opr/test/cond.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/cond.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/adaptive_pooling.cpp b/src/opr/test/dnn/adaptive_pooling.cpp
index cf08f8898add32f8b3b6254239028ad7439526ee..66712995f140c6cb7231862bd371d114749e3a20 100644
--- a/src/opr/test/dnn/adaptive_pooling.cpp
+++ b/src/opr/test/dnn/adaptive_pooling.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/adaptive_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/batch_norm.cpp b/src/opr/test/dnn/batch_norm.cpp
index 490c3adb7e3d21bba613dae2690f20993ecb4714..e3a28c35f22fbfabc2d46cbcbb76001907f968ce 100644
--- a/src/opr/test/dnn/batch_norm.cpp
+++ b/src/opr/test/dnn/batch_norm.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/batch_norm.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/convolution.cpp b/src/opr/test/dnn/convolution.cpp
index 461dd9789e65152daa543fbbec94e5256ca28675..d7daaf44b37f02f21424dd02972ebe48532dac13 100644
--- a/src/opr/test/dnn/convolution.cpp
+++ b/src/opr/test/dnn/convolution.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/convolution.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/deformable_ps_roi_pooling.cpp b/src/opr/test/dnn/deformable_ps_roi_pooling.cpp
index ec85da85caf79137c244072f78c2610ce2546e44..91aed2b3031b5ca906ed626260f2bff97ddadd9e 100644
--- a/src/opr/test/dnn/deformable_ps_roi_pooling.cpp
+++ b/src/opr/test/dnn/deformable_ps_roi_pooling.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/deformable_ps_roi_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/images2neibs.cpp b/src/opr/test/dnn/images2neibs.cpp
index bd5cbb98ff02bf5717103c59777f9d0a9f9e7c72..4d31f6a6f029ecf7141bda58f9a360c790417f2d 100644
--- a/src/opr/test/dnn/images2neibs.cpp
+++ b/src/opr/test/dnn/images2neibs.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/images2neibs.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/legacy_checker.h b/src/opr/test/dnn/legacy_checker.h
index 1b88fb87229fe70dbaa21104b3472c83a6849ad6..1d8dfac2fccd03eb8fb71c8f57a0b7ce472e8b6a 100644
--- a/src/opr/test/dnn/legacy_checker.h
+++ b/src/opr/test/dnn/legacy_checker.h
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/legacy_checker.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/local.cpp b/src/opr/test/dnn/local.cpp
index 6da1a6dd79de67d159d49e825cea627dce387c0b..b39598e94198ec10c3c120170420d12f2aacf932 100644
--- a/src/opr/test/dnn/local.cpp
+++ b/src/opr/test/dnn/local.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/local.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/lrn.cpp b/src/opr/test/dnn/lrn.cpp
index 5b572a624611354f57749302df4892433d7c18c3..7faae1530ba5690c7648cd16ee8b94d3c0cd93e5 100644
--- a/src/opr/test/dnn/lrn.cpp
+++ b/src/opr/test/dnn/lrn.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/lrn.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/pooling.cpp b/src/opr/test/dnn/pooling.cpp
index 8defe15b226be8df3e3d4bbb4b5dc33e487d031c..932060f456a8436c3a7910dd9ce0d35929437758 100644
--- a/src/opr/test/dnn/pooling.cpp
+++ b/src/opr/test/dnn/pooling.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/roi_align.cpp b/src/opr/test/dnn/roi_align.cpp
index 4a78fa89c9a4d300fa881ae55413b122dd81d139..a518a24ca91385ddeae778c8551b6633dc6aab2b 100644
--- a/src/opr/test/dnn/roi_align.cpp
+++ b/src/opr/test/dnn/roi_align.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/roi_align.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/roi_pooling.cpp b/src/opr/test/dnn/roi_pooling.cpp
index 638a347ff441955096612576a89cf1df3e52010f..96ed67c742e45a80efeeb1d4964983f32bbedad0 100644
--- a/src/opr/test/dnn/roi_pooling.cpp
+++ b/src/opr/test/dnn/roi_pooling.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/roi_pooling.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/dnn/tqt.cpp b/src/opr/test/dnn/tqt.cpp
index 977ea03e85e4ab36cbfc4216c6f91002eaf0d2ad..25c7b3f0b1912313e27e08aab3105e19935c3e2d 100644
--- a/src/opr/test/dnn/tqt.cpp
+++ b/src/opr/test/dnn/tqt.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/dnn/tqt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/imgproc.cpp b/src/opr/test/imgproc.cpp
index 521d8fba4f5931ffb8f88932438007489990594f..7038523b19035e7770cfba19b6ad225e7f74ba44 100644
--- a/src/opr/test/imgproc.cpp
+++ b/src/opr/test/imgproc.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/imgproc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/indexing.cpp b/src/opr/test/indexing.cpp
index 751d311612c855e70a1eb4ccc8b6142a48378292..dbed6d79f2edc5b410169cba4d1a18c7a8ff7a33 100644
--- a/src/opr/test/indexing.cpp
+++ b/src/opr/test/indexing.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/indexing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/internal.cpp b/src/opr/test/internal.cpp
index cf052fcbd0a71f6811f3a282013298bd4e0031e4..58e646248e74b48cf48944ed20178489c61feb03 100644
--- a/src/opr/test/internal.cpp
+++ b/src/opr/test/internal.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/internal.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/io.cpp b/src/opr/test/io.cpp
index e2a9f60995e1bbb8836398e6f8e65483caa5a4bb..61782789805c29ae8e0359e38d7e0516c8860719 100644
--- a/src/opr/test/io.cpp
+++ b/src/opr/test/io.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/io.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/loop/basic.cpp b/src/opr/test/loop/basic.cpp
index 9e600bfd1d53a849e801154bbcae638679efd387..6296240227aa6b3a03754cc2a8396cc07579447f 100644
--- a/src/opr/test/loop/basic.cpp
+++ b/src/opr/test/loop/basic.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/loop/basic.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/loop/elemwise_grad.cpp b/src/opr/test/loop/elemwise_grad.cpp
index 566ae222d3e939f7a0c7e2f1284ecbbd55f1e037..a37229f6c8021b7a7cdf842f11171b6921533c6d 100644
--- a/src/opr/test/loop/elemwise_grad.cpp
+++ b/src/opr/test/loop/elemwise_grad.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/loop/elemwise_grad.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/loop/grad_trans.cpp b/src/opr/test/loop/grad_trans.cpp
index 16edab74858d19cf91afdaea562b8e5978269b51..527ac66dc6f470c9a342a64d4d67270cd06d6bae 100644
--- a/src/opr/test/loop/grad_trans.cpp
+++ b/src/opr/test/loop/grad_trans.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/loop/grad_trans.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/loop/record_internal.cpp b/src/opr/test/loop/record_internal.cpp
index 2e8d119ebdb213e4fd0be37e9ae76d7380f1a112..5ecc9a042aaacfca5b917c0275eaf1b7ed5d8fc8 100644
--- a/src/opr/test/loop/record_internal.cpp
+++ b/src/opr/test/loop/record_internal.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/loop/record_internal.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/loop/taylor.cpp b/src/opr/test/loop/taylor.cpp
index 283733c1809089f0e7e93d2412a3a1af86d01e1b..33c29274de47bdae151ee45272ef0d729ca3d3d2 100644
--- a/src/opr/test/loop/taylor.cpp
+++ b/src/opr/test/loop/taylor.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/loop/taylor.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/loop/taylor.h b/src/opr/test/loop/taylor.h
index 7dadb7a924881f7c25e4f6d09825c42f8caac01b..64f961b7d9c1e392e55d9b2bcfcf00498541a6b4 100644
--- a/src/opr/test/loop/taylor.h
+++ b/src/opr/test/loop/taylor.h
@@ -2,7 +2,7 @@
  * \file src/opr/test/loop/taylor.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/megdnn_wrapper.cpp b/src/opr/test/megdnn_wrapper.cpp
index e6655fd88b1f7309d6c5192c7f58307ae5a858d6..7859bfe9f0a54e67481233dc4ea7c013355394ac 100644
--- a/src/opr/test/megdnn_wrapper.cpp
+++ b/src/opr/test/megdnn_wrapper.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/megdnn_wrapper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/misc.cpp b/src/opr/test/misc.cpp
index 083cdb164b0cc2633be617357721ee96204ad9f1..e754130489b723d4f9216d28b58c8ec82c337096 100644
--- a/src/opr/test/misc.cpp
+++ b/src/opr/test/misc.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/misc.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/muxing.cpp b/src/opr/test/muxing.cpp
index 5fec111bf1a3e41866f4ad67e372fc21725124fd..04fca6d03f47dbd9fcfa449f2e6f360a0e7520d5 100644
--- a/src/opr/test/muxing.cpp
+++ b/src/opr/test/muxing.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/muxing.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/nn_int.cpp b/src/opr/test/nn_int.cpp
index 11dc985f7cb583c39089bfdc535d994e6836efa7..f274e27ea869040263c784f568c286f05d23dcb9 100644
--- a/src/opr/test/nn_int.cpp
+++ b/src/opr/test/nn_int.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/nn_int.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/rand.cpp b/src/opr/test/rand.cpp
index 04ab42987885b438e358919b65a85abccda580d0..c6bd18b60c8f3cd06ad3abc7f03ec4d2ff3991b1 100644
--- a/src/opr/test/rand.cpp
+++ b/src/opr/test/rand.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/rand.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/standalone/nms.cpp b/src/opr/test/standalone/nms.cpp
index f53b05936cd8e718440a57d931effc4e442d4c2a..6ea2d925c2b49620ff1feef7adc51c6ce2efb7d3 100644
--- a/src/opr/test/standalone/nms.cpp
+++ b/src/opr/test/standalone/nms.cpp
@@ -1,7 +1,7 @@
 /**
  * \file src/opr/test/standalone/nms.cpp
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  */
 
 #include "megbrain/opr/standalone/nms_opr.h"
diff --git a/src/opr/test/tensor_gen.cpp b/src/opr/test/tensor_gen.cpp
index 636d2adc6cf18e772369ceb378e5c5cf4ca6e172..e7c55cdffc438ba0a24fac7cc2dfa8f48143e584 100644
--- a/src/opr/test/tensor_gen.cpp
+++ b/src/opr/test/tensor_gen.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/tensor_gen.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/tensor_manip.cpp b/src/opr/test/tensor_manip.cpp
index edf7271c96ad501793586e4fccfaad6a52cdbfb4..b2dd152c40e4ab1097e27448ae7532f14e42fc90 100644
--- a/src/opr/test/tensor_manip.cpp
+++ b/src/opr/test/tensor_manip.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/tensor_manip.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/opr/test/utility.cpp b/src/opr/test/utility.cpp
index 357c3b0e0705fbe962812a10e611129e5e29b869..dbb0068b3847db9eb4aa05cf4fca177cdc51d629 100644
--- a/src/opr/test/utility.cpp
+++ b/src/opr/test/utility.cpp
@@ -2,7 +2,7 @@
  * \file src/opr/test/utility.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/impl/cpu_dispatch_checker.cpp b/src/plugin/impl/cpu_dispatch_checker.cpp
index 4006ecd3170d4057ffe7958c10bdebf9ed1b7a6d..93b55db7ab97adfd1ea2ee9dfa403469985c5d47 100644
--- a/src/plugin/impl/cpu_dispatch_checker.cpp
+++ b/src/plugin/impl/cpu_dispatch_checker.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/impl/cpu_dispatch_checker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/impl/infkern_finder.cpp b/src/plugin/impl/infkern_finder.cpp
index 33c3628761499ea7dee2cdb95fa98e7904f205f8..0db47839c9775f11b8b041df1d6e358796367650 100644
--- a/src/plugin/impl/infkern_finder.cpp
+++ b/src/plugin/impl/infkern_finder.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/impl/infkern_finder.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/impl/num_range_checker.cpp b/src/plugin/impl/num_range_checker.cpp
index 238d399316d55b2acf7ba236cdee6460a66632f9..cdf92f92652a191c1d9f0d8e7d64dc47819d54f9 100644
--- a/src/plugin/impl/num_range_checker.cpp
+++ b/src/plugin/impl/num_range_checker.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/impl/num_range_checker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/impl/opr_footprint.cpp b/src/plugin/impl/opr_footprint.cpp
index 730db81dce53c23c048b78b47db432bb405204f2..2b691d875bb99d13891d765fc6c39d307f262530 100644
--- a/src/plugin/impl/opr_footprint.cpp
+++ b/src/plugin/impl/opr_footprint.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/impl/opr_footprint.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/impl/opr_io_dump.cpp b/src/plugin/impl/opr_io_dump.cpp
index ba01102ec220676b4cc319438aad4f296df30a4b..936093c6bfac144180b6126d9cf004a2368496eb 100644
--- a/src/plugin/impl/opr_io_dump.cpp
+++ b/src/plugin/impl/opr_io_dump.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/impl/opr_io_dump.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/impl/profiler.cpp b/src/plugin/impl/profiler.cpp
index ad04fe387736a32cc842c18d43a1efd31f47a2c6..6c90731aa0c8e8b1b915b1441b8ba45116503a5a 100644
--- a/src/plugin/impl/profiler.cpp
+++ b/src/plugin/impl/profiler.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/impl/profiler.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/impl/var_sanity_check.cpp b/src/plugin/impl/var_sanity_check.cpp
index 37d17ed31958f3741992c338fd067a6796a5119e..87662c6eab60b430b2f91f316a2b0afeae0cfd08 100644
--- a/src/plugin/impl/var_sanity_check.cpp
+++ b/src/plugin/impl/var_sanity_check.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/impl/var_sanity_check.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/impl/var_value_checker.cpp b/src/plugin/impl/var_value_checker.cpp
index c646df819c3a4d68414983a830061378094eb9f7..04ae4c7dbf1fcb3ce84d692b192d3c515c1afe45 100644
--- a/src/plugin/impl/var_value_checker.cpp
+++ b/src/plugin/impl/var_value_checker.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/impl/var_value_checker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/base.h b/src/plugin/include/megbrain/plugin/base.h
index b65e7ede5eee09d597491c419b0e6078120e3590..51d5e99ed1c609cd0fffba8ef763e73173ea1b0f 100644
--- a/src/plugin/include/megbrain/plugin/base.h
+++ b/src/plugin/include/megbrain/plugin/base.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/base.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/cpu_dispatch_checker.h b/src/plugin/include/megbrain/plugin/cpu_dispatch_checker.h
index d1bfaa23cccbcdbbea640604a4c1597d48a5e4fa..cacca3482fef0c394d97f7961e85ebdd983bac96 100644
--- a/src/plugin/include/megbrain/plugin/cpu_dispatch_checker.h
+++ b/src/plugin/include/megbrain/plugin/cpu_dispatch_checker.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/cpu_dispatch_checker.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/infkern_finder.h b/src/plugin/include/megbrain/plugin/infkern_finder.h
index d67db19f7e8429207ab5bb7b4d36c793758b0f48..1d61912e03a7ad60aae818b2350dd2ea15873a86 100644
--- a/src/plugin/include/megbrain/plugin/infkern_finder.h
+++ b/src/plugin/include/megbrain/plugin/infkern_finder.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/infkern_finder.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/num_range_checker.h b/src/plugin/include/megbrain/plugin/num_range_checker.h
index 0fec7098a6bb35c7c897a234e8db4f7fff4c0a20..993ea3783f3a6425074caf449057f2b3c1cb69af 100644
--- a/src/plugin/include/megbrain/plugin/num_range_checker.h
+++ b/src/plugin/include/megbrain/plugin/num_range_checker.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/num_range_checker.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/opr_footprint.h b/src/plugin/include/megbrain/plugin/opr_footprint.h
index a0c6a5558e81835064a378cdf0ab31d5be6a3420..31775a42909a29252aa3f9c0514d5f1596b28ffd 100644
--- a/src/plugin/include/megbrain/plugin/opr_footprint.h
+++ b/src/plugin/include/megbrain/plugin/opr_footprint.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/opr_footprint.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/opr_io_dump.h b/src/plugin/include/megbrain/plugin/opr_io_dump.h
index e8af2489d5a86fddd2553b57d8deccdcc449b142..84bc55de5cfa368e2bed6dd3cf4eaac92b075133 100644
--- a/src/plugin/include/megbrain/plugin/opr_io_dump.h
+++ b/src/plugin/include/megbrain/plugin/opr_io_dump.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/opr_io_dump.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/profiler.h b/src/plugin/include/megbrain/plugin/profiler.h
index d6294988cf8640d47fc502b804f80ea087f36c62..0cb1031b43c446479068ce63be81f8483a39cadc 100644
--- a/src/plugin/include/megbrain/plugin/profiler.h
+++ b/src/plugin/include/megbrain/plugin/profiler.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/profiler.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/var_sanity_check.h b/src/plugin/include/megbrain/plugin/var_sanity_check.h
index d57bc8491e952ff176ee4387193a128c272234d5..7f32cc8e270d7db0cf3fde791100b36f04a1c8f7 100644
--- a/src/plugin/include/megbrain/plugin/var_sanity_check.h
+++ b/src/plugin/include/megbrain/plugin/var_sanity_check.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/var_sanity_check.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/include/megbrain/plugin/var_value_checker.h b/src/plugin/include/megbrain/plugin/var_value_checker.h
index 0e2c9ba6757729519ddf7dc8362e2143755b3fcc..b9b356f7134a77bca37b5b045518149f1aa81836 100644
--- a/src/plugin/include/megbrain/plugin/var_value_checker.h
+++ b/src/plugin/include/megbrain/plugin/var_value_checker.h
@@ -2,7 +2,7 @@
  * \file src/plugin/include/megbrain/plugin/var_value_checker.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/cpu_dispatch_checker.cpp b/src/plugin/test/cpu_dispatch_checker.cpp
index 16d47f69026ce1ab6b58c04b2bd58e799c878af0..9065e1ea474db81098a9f8c1b5b150baa1ed7ee7 100644
--- a/src/plugin/test/cpu_dispatch_checker.cpp
+++ b/src/plugin/test/cpu_dispatch_checker.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/test/cpu_dispatch_checker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/infkern_finder.cpp b/src/plugin/test/infkern_finder.cpp
index c96fb34d5d3316cc9112a11b8a05a159a9a5bca3..650a732c6ce3b2ae87aeec38fb625f44d3a3e0c4 100644
--- a/src/plugin/test/infkern_finder.cpp
+++ b/src/plugin/test/infkern_finder.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/test/infkern_finder.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/num_range_checker.cpp b/src/plugin/test/num_range_checker.cpp
index 06d1a064a596184fb22418b9b13a2b4ec274cb54..8d41a051a15b444c4ac49f36562dfe0ecd474066 100644
--- a/src/plugin/test/num_range_checker.cpp
+++ b/src/plugin/test/num_range_checker.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/test/num_range_checker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/opr_footprint.cpp b/src/plugin/test/opr_footprint.cpp
index 4da38c0f8ef4fe6ef140ea9bc09dd1b80a2a642a..d4577acf25d6dae0ba1e61914fbd3d6a63fb591e 100644
--- a/src/plugin/test/opr_footprint.cpp
+++ b/src/plugin/test/opr_footprint.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/test/opr_footprint.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/opr_io_dump.cpp b/src/plugin/test/opr_io_dump.cpp
index 3b88a2cca96da922743090463cad7b6d32fb3cbd..78d65e68458b4d24ee9b05f5e2cb3e4f2e228ab9 100644
--- a/src/plugin/test/opr_io_dump.cpp
+++ b/src/plugin/test/opr_io_dump.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/test/opr_io_dump.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/opr_io_dump_text_out.h b/src/plugin/test/opr_io_dump_text_out.h
index 16dd505b72ae7fda91b89cbae9cedcfcab7d4dcb..edf6eb506fe1e0c2d4bfd4cc6c11d60f60cca3ec 100644
--- a/src/plugin/test/opr_io_dump_text_out.h
+++ b/src/plugin/test/opr_io_dump_text_out.h
@@ -2,7 +2,7 @@
  * \file src/plugin/test/opr_io_dump_text_out.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/profiler.cpp b/src/plugin/test/profiler.cpp
index c069ac4d5ccdb51803ffaed40d940245bbd6daf0..779943472678d9ecc78c8e2a4b378942c5acc5e5 100644
--- a/src/plugin/test/profiler.cpp
+++ b/src/plugin/test/profiler.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/test/profiler.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/var_sanity_check.cpp b/src/plugin/test/var_sanity_check.cpp
index 17b90aa7569d1e37013fcd5b6ee5524785a6e5f2..dfb902dd1e88ba76f1e41cbb9adc9ee3a1048e4f 100644
--- a/src/plugin/test/var_sanity_check.cpp
+++ b/src/plugin/test/var_sanity_check.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/test/var_sanity_check.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/plugin/test/var_value_checker.cpp b/src/plugin/test/var_value_checker.cpp
index 3f42abeb7957c6c666a2578f1b8a19f366715101..2690786fef221753277d921044660b7e109483f7 100644
--- a/src/plugin/test/var_value_checker.cpp
+++ b/src/plugin/test/var_value_checker.cpp
@@ -2,7 +2,7 @@
  * \file src/plugin/test/var_value_checker.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/batched_device_value_loader.cpp b/src/serialization/impl/batched_device_value_loader.cpp
index 7302f8558c4cd12e3be0bda43324478fcb2970df..4f26642598bd7b3744fdc51158843f0e0b1db95f 100644
--- a/src/serialization/impl/batched_device_value_loader.cpp
+++ b/src/serialization/impl/batched_device_value_loader.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/batched_device_value_loader.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/batched_device_value_loader.h b/src/serialization/impl/batched_device_value_loader.h
index b1b41f5ef0e699d4101237fc143e650fae68d3fd..f7ed0bc244f5857c60a2c440eac63b2ad7719dac 100644
--- a/src/serialization/impl/batched_device_value_loader.h
+++ b/src/serialization/impl/batched_device_value_loader.h
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/batched_device_value_loader.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/extern_c_opr.cpp b/src/serialization/impl/extern_c_opr.cpp
index b0c7661a2b1f7a61292f7df9e23c56ff76322aab..1dcc8b8cf68a97bb40e941172398417bbc106909 100644
--- a/src/serialization/impl/extern_c_opr.cpp
+++ b/src/serialization/impl/extern_c_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/extern_c_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/extern_c_opr.sereg.h b/src/serialization/impl/extern_c_opr.sereg.h
index 5f545f0b247463f70d48efa31b5f2e5a256a5733..bff76aa3c18e2b2900c9a64029739ea9f83af3c2 100644
--- a/src/serialization/impl/extern_c_opr.sereg.h
+++ b/src/serialization/impl/extern_c_opr.sereg.h
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/extern_c_opr.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/file.cpp b/src/serialization/impl/file.cpp
index 8af30080a6236c17e79667679ca5a1e2efb65b9f..d7ad8a80c0dcb001daca834131b74910b3e54f5d 100644
--- a/src/serialization/impl/file.cpp
+++ b/src/serialization/impl/file.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/file.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/flatbuffer_converter.inl b/src/serialization/impl/flatbuffer_converter.inl
index e315c301ea411ebb26bb6045770485e097ac190a..cb212d1e6c9f90f40f56535c1d1b31ea52c0e600 100644
--- a/src/serialization/impl/flatbuffer_converter.inl
+++ b/src/serialization/impl/flatbuffer_converter.inl
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/flatbuffer_converter.inl
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/flatbuffers_helper.cpp b/src/serialization/impl/flatbuffers_helper.cpp
index 5941c86eafa5466d5fbee4f0c80fe0151e3b12af..860087422879c64f1be08497a48fbf5c72d294ec 100644
--- a/src/serialization/impl/flatbuffers_helper.cpp
+++ b/src/serialization/impl/flatbuffers_helper.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/flatbuffers_helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/helper.cpp b/src/serialization/impl/helper.cpp
index b2aad17e37e85a5901366201ca92475599559c0d..477de3a60d944a4586218cadfcf4851fd0ed3b54 100644
--- a/src/serialization/impl/helper.cpp
+++ b/src/serialization/impl/helper.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/opr_load_dump.cpp b/src/serialization/impl/opr_load_dump.cpp
index e709197e0218a1554969d2f6ccf8b99f3cc7412f..19aacb90d920d8b71db409d19cc075a3ff282f65 100644
--- a/src/serialization/impl/opr_load_dump.cpp
+++ b/src/serialization/impl/opr_load_dump.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2019 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/src/serialization/impl/opr_registry.cpp b/src/serialization/impl/opr_registry.cpp
index 9bd9fd08ce90bd75bd62cd042096ed239e08909c..d4f96717b718b0ac3babc57b13cdfe3ed0540dc5 100644
--- a/src/serialization/impl/opr_registry.cpp
+++ b/src/serialization/impl/opr_registry.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/opr_registry.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/opr_shallow_copy.cpp b/src/serialization/impl/opr_shallow_copy.cpp
index 921a69a3595464522ab9b91467e10f31c3e1a33b..a503e6a8f5073c362fb13a5300a6c4bb5d3d42b4 100644
--- a/src/serialization/impl/opr_shallow_copy.cpp
+++ b/src/serialization/impl/opr_shallow_copy.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2019 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/src/serialization/impl/sereg_caller.cpp b/src/serialization/impl/sereg_caller.cpp
index ceb6db521359c47f41700609d5a7cef0640fa57b..dc61c1babbd671e22c78ea0776c80d7c48d794b7 100644
--- a/src/serialization/impl/sereg_caller.cpp
+++ b/src/serialization/impl/sereg_caller.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/sereg_caller.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/serializer.cpp b/src/serialization/impl/serializer.cpp
index 76d1495f21771ddd312eb269e4cfd89b139a824f..504abdfe514bc5e3ea4690793936b1c72bccb01e 100644
--- a/src/serialization/impl/serializer.cpp
+++ b/src/serialization/impl/serializer.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/serializer.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/impl/serializer_oss.cpp b/src/serialization/impl/serializer_oss.cpp
index d303804a979f65185267164a683f2b5d55f34f14..1f2727c3263a015c0069ab22205707b5e9ecec6f 100644
--- a/src/serialization/impl/serializer_oss.cpp
+++ b/src/serialization/impl/serializer_oss.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/impl/serializer_oss.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/dump_format.h b/src/serialization/include/megbrain/serialization/dump_format.h
index 010b722f9885a368512d6fb71e4eefa4b1b12e2c..1fe2c80ead407600ef0b62449da42e835c73a5d4 100644
--- a/src/serialization/include/megbrain/serialization/dump_format.h
+++ b/src/serialization/include/megbrain/serialization/dump_format.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/dump_format.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/extern_c_opr.h b/src/serialization/include/megbrain/serialization/extern_c_opr.h
index 126e34fffee156a843e49c306f5848a0fc3d0a61..8ce9c7b68eaeb0e3b366f2229af0279f68c3e04e 100644
--- a/src/serialization/include/megbrain/serialization/extern_c_opr.h
+++ b/src/serialization/include/megbrain/serialization/extern_c_opr.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/extern_c_opr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/extern_c_opr_io.h b/src/serialization/include/megbrain/serialization/extern_c_opr_io.h
index 72e8287d1400faa14d24e34c3cf12aae8bbf9e7b..f6fb39ec8824f6d193a60cfb09cc2c336e083179 100644
--- a/src/serialization/include/megbrain/serialization/extern_c_opr_io.h
+++ b/src/serialization/include/megbrain/serialization/extern_c_opr_io.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/extern_c_opr_io.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/file.h b/src/serialization/include/megbrain/serialization/file.h
index a4d47021e29474c385d3202c9a28afccec27d6a3..7c7f1b6a748f88c6c830186f13077c818cc353f3 100644
--- a/src/serialization/include/megbrain/serialization/file.h
+++ b/src/serialization/include/megbrain/serialization/file.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/file.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/helper.h b/src/serialization/include/megbrain/serialization/helper.h
index 4c33ec53646c008e20ebefac25c914f67f93d66d..1807525fd111f81e3db17f36e45e8078022e79db 100644
--- a/src/serialization/include/megbrain/serialization/helper.h
+++ b/src/serialization/include/megbrain/serialization/helper.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/internal/flatbuffers_helper.h b/src/serialization/include/megbrain/serialization/internal/flatbuffers_helper.h
index 126c9753f3f992afd5ec874bfa0b0bc772d560c1..0b83aca8c606253e500c6a9629e6eedf9c3a8406 100644
--- a/src/serialization/include/megbrain/serialization/internal/flatbuffers_helper.h
+++ b/src/serialization/include/megbrain/serialization/internal/flatbuffers_helper.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/internal/flatbuffers_helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/load_dump_config.h b/src/serialization/include/megbrain/serialization/load_dump_config.h
index a4c67c7c0a83fcb4df8a655382efd8f87e46ebc8..857c59d4a0628f808c875d560633ab390edd1f00 100644
--- a/src/serialization/include/megbrain/serialization/load_dump_config.h
+++ b/src/serialization/include/megbrain/serialization/load_dump_config.h
@@ -5,7 +5,7 @@
  *
  * \brief graph loader and dumper config
  *
- * \copyright Copyright (c) 2014-2019 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 #pragma once
diff --git a/src/serialization/include/megbrain/serialization/opr_load_dump.h b/src/serialization/include/megbrain/serialization/opr_load_dump.h
index 84258ce2b5da135f6a283a2f2bef20a4ead43a3f..ef107a446994eea5b4ed1904daec461f2ecd8fb7 100644
--- a/src/serialization/include/megbrain/serialization/opr_load_dump.h
+++ b/src/serialization/include/megbrain/serialization/opr_load_dump.h
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2019 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/src/serialization/include/megbrain/serialization/opr_registry.h b/src/serialization/include/megbrain/serialization/opr_registry.h
index f696007605e15a556142242f7079ac5dd2438e97..6946deb44339087a02d64f0261844271a28d72c8 100644
--- a/src/serialization/include/megbrain/serialization/opr_registry.h
+++ b/src/serialization/include/megbrain/serialization/opr_registry.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/opr_registry.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/opr_shallow_copy.h b/src/serialization/include/megbrain/serialization/opr_shallow_copy.h
index 0b3e30b46dcc44fcbe052eaef3b6f4107ba08ddb..61291b4f4eceb26abec5c58ed0b855579d91c793 100644
--- a/src/serialization/include/megbrain/serialization/opr_shallow_copy.h
+++ b/src/serialization/include/megbrain/serialization/opr_shallow_copy.h
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2019 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/src/serialization/include/megbrain/serialization/sereg.h b/src/serialization/include/megbrain/serialization/sereg.h
index 395bb7e1b172aa0c135263ab3a8fa011f9cb7bf3..ab039f7915e8081b521b74976e3f648bac8feeae 100644
--- a/src/serialization/include/megbrain/serialization/sereg.h
+++ b/src/serialization/include/megbrain/serialization/sereg.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/include/megbrain/serialization/serializer.h b/src/serialization/include/megbrain/serialization/serializer.h
index c30c8fa23df0464fbfe24b5e65eda1a201e715ae..30706e2a0212268a35c81cb82c2b6d43c9493e99 100644
--- a/src/serialization/include/megbrain/serialization/serializer.h
+++ b/src/serialization/include/megbrain/serialization/serializer.h
@@ -2,7 +2,7 @@
  * \file src/serialization/include/megbrain/serialization/serializer.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/test/extern_c_opr.cpp b/src/serialization/test/extern_c_opr.cpp
index 280755c1dc8b27d36d77c08824dcf2aad2bc4216..98ffad2fe96b645c676a4fbb440de2af3264f801 100644
--- a/src/serialization/test/extern_c_opr.cpp
+++ b/src/serialization/test/extern_c_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/test/extern_c_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/test/extern_c_opr_v23.cpp b/src/serialization/test/extern_c_opr_v23.cpp
index 339b0861acd1b45ca2523c51d7ee94f69109272a..9100d541eaf8265fa834c10929c1c2d6c951c8a6 100644
--- a/src/serialization/test/extern_c_opr_v23.cpp
+++ b/src/serialization/test/extern_c_opr_v23.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/test/extern_c_opr_v23.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/test/extern_c_opr_v23.h b/src/serialization/test/extern_c_opr_v23.h
index d7f7357e119cd2a8b3016b274a7bf5e0619f218e..06368453265b92c0d5124b7a664f7d7eed6838e3 100644
--- a/src/serialization/test/extern_c_opr_v23.h
+++ b/src/serialization/test/extern_c_opr_v23.h
@@ -2,7 +2,7 @@
  * \file src/serialization/test/extern_c_opr_v23.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/serialization/test/serializer_oss.cpp b/src/serialization/test/serializer_oss.cpp
index 90364db5264ae90cacd2a399614b56baede4a176..bdb82734552dddea0b512a711228329269610a31 100644
--- a/src/serialization/test/serializer_oss.cpp
+++ b/src/serialization/test/serializer_oss.cpp
@@ -2,7 +2,7 @@
  * \file src/serialization/test/serializer_oss.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/impl/opr_replace.cpp b/src/tensorrt/impl/opr_replace.cpp
index bcd4d0d7a70264cac0271a87ed23e74d5a83f842..ad9d1e8a50a8f3750847f8a962c6b575ce5be293 100644
--- a/src/tensorrt/impl/opr_replace.cpp
+++ b/src/tensorrt/impl/opr_replace.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/impl/opr_replace.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/impl/tensorrt_engine_cache.cpp b/src/tensorrt/impl/tensorrt_engine_cache.cpp
index 3ed917bfdf3cfb71baeab26590f7b49a398b051a..f4ad21956365d0d393be379ac6b6e1a13cab6b69 100644
--- a/src/tensorrt/impl/tensorrt_engine_cache.cpp
+++ b/src/tensorrt/impl/tensorrt_engine_cache.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/impl/tensorrt_engine_cache.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/impl/tensorrt_opr.cpp b/src/tensorrt/impl/tensorrt_opr.cpp
index 00b3cd7b274fd4a464dbb502c55383b7cfc66704..91f5cc3bf0d273ed6de8a5d83ed7670a4305ab25 100644
--- a/src/tensorrt/impl/tensorrt_opr.cpp
+++ b/src/tensorrt/impl/tensorrt_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/impl/tensorrt_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/impl/tensorrt_opr.sereg.h b/src/tensorrt/impl/tensorrt_opr.sereg.h
index e5f97a9f5aa70fa293391578e6f9b998a3205841..9bb72e4a18c7efd8fc79121799af05efb1c28a1c 100644
--- a/src/tensorrt/impl/tensorrt_opr.sereg.h
+++ b/src/tensorrt/impl/tensorrt_opr.sereg.h
@@ -2,7 +2,7 @@
  * \file src/tensorrt/impl/tensorrt_opr.sereg.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/impl/tensorrt_runtime_opr.cpp b/src/tensorrt/impl/tensorrt_runtime_opr.cpp
index db746d7a8166f2ded4ae1442c968268e71998099..ffb5a5118c4954c90e52f87da06f9213d52cb1e6 100644
--- a/src/tensorrt/impl/tensorrt_runtime_opr.cpp
+++ b/src/tensorrt/impl/tensorrt_runtime_opr.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/impl/tensorrt_runtime_opr.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/include/megbrain/tensorrt/opr_replace.h b/src/tensorrt/include/megbrain/tensorrt/opr_replace.h
index f61a4e06ce3417e49539fcb37664729c0615c151..8d4ba2e7e20d5f2e7563d1e47c300c132a2e950d 100644
--- a/src/tensorrt/include/megbrain/tensorrt/opr_replace.h
+++ b/src/tensorrt/include/megbrain/tensorrt/opr_replace.h
@@ -2,7 +2,7 @@
  * \file src/tensorrt/include/megbrain/tensorrt/opr_replace.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/include/megbrain/tensorrt/tensorrt_engine_cache.h b/src/tensorrt/include/megbrain/tensorrt/tensorrt_engine_cache.h
index 4f927ecb151f16f7b582b1805067c2f2683c0886..fb0a2f6221ac24c53697abc814ecad6d5870bebe 100644
--- a/src/tensorrt/include/megbrain/tensorrt/tensorrt_engine_cache.h
+++ b/src/tensorrt/include/megbrain/tensorrt/tensorrt_engine_cache.h
@@ -2,7 +2,7 @@
  * \file src/tensorrt/include/megbrain/tensorrt/tensorrt_engine_cache.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/include/megbrain/tensorrt/tensorrt_opr.h b/src/tensorrt/include/megbrain/tensorrt/tensorrt_opr.h
index a671e6aeb59f4ea2126385dde4831bc2262be0e3..04f0086a7ad71033b38c5e21589f6be2c098397e 100644
--- a/src/tensorrt/include/megbrain/tensorrt/tensorrt_opr.h
+++ b/src/tensorrt/include/megbrain/tensorrt/tensorrt_opr.h
@@ -2,7 +2,7 @@
  * \file src/tensorrt/include/megbrain/tensorrt/tensorrt_opr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/include/megbrain/tensorrt/tensorrt_runtime_opr.h b/src/tensorrt/include/megbrain/tensorrt/tensorrt_runtime_opr.h
index bf66487a4c62021036214d1e21aa4725e1ccd4ad..fbb241af5d2cf89a4e4e76682922eca72098dd05 100644
--- a/src/tensorrt/include/megbrain/tensorrt/tensorrt_runtime_opr.h
+++ b/src/tensorrt/include/megbrain/tensorrt/tensorrt_runtime_opr.h
@@ -2,7 +2,7 @@
  * \file src/tensorrt/include/megbrain/tensorrt/tensorrt_runtime_opr.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/test/helper.cpp b/src/tensorrt/test/helper.cpp
index 6c47780b3b9c93ecb5b25d9fd8626bdb571a8184..9565ce8d36141016754f83a97977a1c1734e86e6 100644
--- a/src/tensorrt/test/helper.cpp
+++ b/src/tensorrt/test/helper.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/test/helper.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/test/helper.h b/src/tensorrt/test/helper.h
index 25dc34e706090406e909327bd0c74805869600e0..08898d015d4ace97a36478bb512129181e0228f0 100644
--- a/src/tensorrt/test/helper.h
+++ b/src/tensorrt/test/helper.h
@@ -2,7 +2,7 @@
  * \file src/tensorrt/test/helper.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/test/make_trt_net.cpp b/src/tensorrt/test/make_trt_net.cpp
index 0d33314fdaf539abe19b3652e2417fdb8c8e14d7..5b72916cf197fdc063ca540ef8228103823713ee 100644
--- a/src/tensorrt/test/make_trt_net.cpp
+++ b/src/tensorrt/test/make_trt_net.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/test/make_trt_net.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/test/make_trt_net.h b/src/tensorrt/test/make_trt_net.h
index 8b90b48517532f136394ced398e4ae8518948b17..672e9d81e76a540db337037ff4a8d25489f60a38 100644
--- a/src/tensorrt/test/make_trt_net.h
+++ b/src/tensorrt/test/make_trt_net.h
@@ -2,7 +2,7 @@
  * \file src/tensorrt/test/make_trt_net.h
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/test/opr_replace.cpp b/src/tensorrt/test/opr_replace.cpp
index fba3fbd52ac467a79c82efcdf2d40e615a5b5d60..5218934795e8f93418a05b86dbb1b1f6cdaf4967 100644
--- a/src/tensorrt/test/opr_replace.cpp
+++ b/src/tensorrt/test/opr_replace.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/test/opr_replace.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/test/tensorrt.cpp b/src/tensorrt/test/tensorrt.cpp
index 423b0bdbdc776556273ab0a2be37ac28c1a06333..c4797601e525e64f00e8807dde754f17baa45123 100644
--- a/src/tensorrt/test/tensorrt.cpp
+++ b/src/tensorrt/test/tensorrt.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/test/tensorrt.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/src/tensorrt/test/tensorrt_runtime.cpp b/src/tensorrt/test/tensorrt_runtime.cpp
index 242981d47c4ab631b0cdaa635dabefbbc72075c2..debd27bbda4581a66ddc3040b1eaf1efa2c44136 100644
--- a/src/tensorrt/test/tensorrt_runtime.cpp
+++ b/src/tensorrt/test/tensorrt_runtime.cpp
@@ -2,7 +2,7 @@
  * \file src/tensorrt/test/tensorrt_runtime.cpp
  * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
  *
- * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
diff --git a/test/src/autocheck.cpp b/test/src/autocheck.cpp
index 674e4da6f452f96778285694dcabaf421f149f34..2bb678affbd7e205dc36d80be58735b7a24ac8f1 100644
--- a/test/src/autocheck.cpp
+++ b/test/src/autocheck.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/helper.cpp b/test/src/helper.cpp
index fe111bca877ba4024b53e269ac498c9e6afeefcd..82f636818b8895a431d9b23c578cfbd38a41a792 100644
--- a/test/src/helper.cpp
+++ b/test/src/helper.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/host_static_calc.cpp b/test/src/host_static_calc.cpp
index 9e2acaee0fa369b89746ef0434f78a27629d75f2..081e2bf3b283d08c33fb7339cdf5a9d80138c6b0 100644
--- a/test/src/host_static_calc.cpp
+++ b/test/src/host_static_calc.cpp
@@ -5,7 +5,7 @@
  *
  * \brief static calculating on host to check opr correctness
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/include/megbrain/test/autocheck.h b/test/src/include/megbrain/test/autocheck.h
index 4c17d0a90cf461b9ed3e538ed954fc029375626f..d3d8272b322abc70a66743acd8b2482b90823bd5 100644
--- a/test/src/include/megbrain/test/autocheck.h
+++ b/test/src/include/megbrain/test/autocheck.h
@@ -5,7 +5,7 @@
  *
  * \brief automatically check operator and grad
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/include/megbrain/test/helper.h b/test/src/include/megbrain/test/helper.h
index b9b34745d8669a0b28541127f1da741e37c43f5b..e122a76112a0f1daaedd512b6c1bc8283fb4270e 100644
--- a/test/src/include/megbrain/test/helper.h
+++ b/test/src/include/megbrain/test/helper.h
@@ -5,7 +5,7 @@
  *
  * \brief helper functions for testing
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/include/megbrain/test/host_static_calc.h b/test/src/include/megbrain/test/host_static_calc.h
index f32deef62c9f42684e39a621289be7e9ecb4c8af..66b91621c50aeb07bda520acb3fdfef256613425 100644
--- a/test/src/include/megbrain/test/host_static_calc.h
+++ b/test/src/include/megbrain/test/host_static_calc.h
@@ -5,7 +5,7 @@
  *
  * \brief static calculating on host to check opr correctness
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/include/megbrain/test/megdnn_helper.h b/test/src/include/megbrain/test/megdnn_helper.h
index e613dc44f21d1cbabee84d5ec9f03a49b4946205..48b9d4ef0876fb2d6c72d125703c490435cecd6d 100644
--- a/test/src/include/megbrain/test/megdnn_helper.h
+++ b/test/src/include/megbrain/test/megdnn_helper.h
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/include/megbrain/test/numerical_diff.h b/test/src/include/megbrain/test/numerical_diff.h
index 82000b615018f855e155755f8f4ab3816ab8f97c..62b2910cccfa7078a696d67fbc354e1fa626cfa9 100644
--- a/test/src/include/megbrain/test/numerical_diff.h
+++ b/test/src/include/megbrain/test/numerical_diff.h
@@ -5,7 +5,7 @@
  *
  * \brief numerical differentiation
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/main.cpp b/test/src/main.cpp
index be296b14bcd7774c36c191c7b58ab471cd030d06..d782efc1c3dff784cd08142505592ae3d93e0ab4 100644
--- a/test/src/main.cpp
+++ b/test/src/main.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/megdnn_helper.cpp b/test/src/megdnn_helper.cpp
index 7b94068683b5ff6692ac25f84cc6c5db013636d6..86ebefe1b9a2796c4feb360d21bb564c9b58a24a 100644
--- a/test/src/megdnn_helper.cpp
+++ b/test/src/megdnn_helper.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/numerical_diff.cpp b/test/src/numerical_diff.cpp
index fe36960939f703f4861fab78acf1fdf9f850a637..7d248bd72745b7f1efdb543ddd7454f8f0a4232a 100644
--- a/test/src/numerical_diff.cpp
+++ b/test/src/numerical_diff.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/rng_seed.cpp b/test/src/rng_seed.cpp
index 4462eea9c5c275dc33ba1d1ec4071b77cd4caf4d..f9ccd6a31fa879071b6ec857219bfe0fe8d63499 100644
--- a/test/src/rng_seed.cpp
+++ b/test/src/rng_seed.cpp
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/test/src/rng_seed.h b/test/src/rng_seed.h
index 3dc42d583cc900ae11733003d5a76cdd33b789b3..6157d76f4d2f7bec496f2db6d77f4e5db7774a08 100644
--- a/test/src/rng_seed.h
+++ b/test/src/rng_seed.h
@@ -3,7 +3,7 @@
  *
  * This file is part of MegBrain, a deep learning framework developed by Megvii.
  *
- * \copyright Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ * \copyright Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
  *
  */
 
diff --git a/tools/gen_header_for_bin_reduce.py b/tools/gen_header_for_bin_reduce.py
index 83e7a350bc34677b05e42134345859726ccf78b5..d084f87e0b89cefca083ef3cf6e1ffa92751a01d 100755
--- a/tools/gen_header_for_bin_reduce.py
+++ b/tools/gen_header_for_bin_reduce.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 # MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 #
-# Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+# Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an