feat(mge): remove param_pack_* from functional

GitOrigin-RevId: a5fe25be8cc443ba169af7a74a8cdb4a03f558ea

imperative/python/megengine/distributed/helper.py

@@ -17,13 +17,114 @@ import numpy as np
 from megengine.autodiff.grad_manager import GradManager, get_backwarding_grad_manager
 from megengine.device import get_default_device, get_device_count
 
-from ..functional.param_pack import get_offsets, pack_allreduce_split
+from ..core.ops.builtin import ParamPackConcat, ParamPackSplit
+from ..core.tensor.core import apply
 from ..functional.utils import copy
+from ..tensor import Tensor
 from ..utils.future import Future
 from .functional import all_reduce_sum, broadcast
 from .group import WORLD, Group, group_barrier, is_distributed
 
 
+def param_pack_split(inp: Tensor, offsets: list, shapes: list):
+    r"""
+    Returns split tensor to tensor list as offsets and shapes described,
+            only used for ``parampack``.
+
+    :param inp: input tensor.
+    :param offsets: offsets of outputs, length of `2 * n`,
+            while n is tensor nums you want to split,
+            format `[begin0, end0, begin1, end1]`.
+    :param shapes: tensor shapes of outputs.
+    :return: splitted tensors.
+
+    Examples:
+
+    .. testcode::
+
+        import numpy as np
+        from megengine import tensor
+        from megengine.distributed.helper import param_pack_split
+
+        a = tensor(np.ones((10,), np.int32))
+        b, c = param_pack_split(a, [0, 1, 1, 10], [(1,), (3, 3)])
+        print(b.numpy())
+        print(c.numpy())
+
+    Outputs:
+
+    .. testoutput::
+
+        [1]
+        [[1 1 1]
+         [1 1 1]
+         [1 1 1]]
+
+    """
+    op = ParamPackSplit()
+    op.offsets = offsets
+    op.shapes = shapes
+    return apply(op, inp)
+
+
+def param_pack_concat(inps: list, offsets: Tensor, offsets_val: list):
+    r"""
+    Returns concated tensor, only used for ``parampack``.
+
+    :param inps: input tensors.
+    :param offsets: device value of offsets.
+    :param offsets_val: offsets of inputs, length of `2 * n`,
+            format `[begin0, end0, begin1, end1]`.
+    :return: concated tensor.
+
+    Examples:
+
+    .. testcode::
+
+        import numpy as np
+        from megengine import tensor
+        from megengine.distributed.helper import param_pack_concat
+
+        a = tensor(np.ones((1,), np.int32))
+        b = tensor(np.ones((3, 3), np.int32))
+        offsets_val = [0, 1, 1, 10]
+        offsets = tensor(offsets_val, np.int32)
+        c = param_pack_concat([a, b], offsets, offsets_val)
+        print(c.numpy())
+
+    Outputs:
+
+    .. testoutput::
+
+        [1 1 1 1 1 1 1 1 1 1]
+
+    """
+    op = ParamPackConcat()
+    op.offsets = offsets_val
+    return apply(op, *inps, offsets)[0]
+
+
+def get_offsets(shapes):
+    offsets = []
+    offset = 0
+    for shape in shapes:
+        offsets.append(offset)
+        offset += int(np.prod(shape))
+        offsets.append(offset)
+    return offsets
+
+
+def pack_allreduce_split(pack_list, shapes, group, reduce_method):
+    offsets_val = get_offsets(shapes)
+    offsets = Tensor(offsets_val)
+    packed_grads = param_pack_concat(pack_list, offsets, offsets_val)
+    packed_grads = all_reduce_sum(packed_grads, group, group.comp_node)
+    if reduce_method == "mean":
+        packed_grads /= group.size
+    grads = param_pack_split(packed_grads, offsets_val, shapes)
+    return grads
+
+
 class TensorFuture(Future):
     def device(self):
         raise "Sorry, this tensor is not ready"

imperative/python/megengine/functional/param_pack.py

-# -*- coding: utf-8 -*-
-# MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
-#
-# Copyright (c) 2014-2020 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.
-import numpy as np
-
-from ..tensor import Tensor
-from .distributed import all_reduce_sum
-from .tensor import param_pack_concat, param_pack_split
-
-
-def get_offsets(shapes):
-    offsets = []
-    offset = 0
-    for shape in shapes:
-        offsets.append(offset)
-        offset += int(np.prod(shape))
-        offsets.append(offset)
-    return offsets
-
-
-def pack_allreduce_split(pack_list, shapes, group, reduce_method):
-    offsets_val = get_offsets(shapes)
-    offsets = Tensor(offsets_val)
-    packed_grads = param_pack_concat(pack_list, offsets, offsets_val)
-    packed_grads = all_reduce_sum(packed_grads, group, group.comp_node)
-    if reduce_method == "mean":
-        packed_grads /= group.size
-    grads = param_pack_split(packed_grads, offsets_val, shapes)
-    return grads

imperative/python/megengine/functional/tensor.py

@@ -46,8 +46,6 @@ __all__ = [
     "linspace",
     "ones",
     "ones_like",
-    "param_pack_concat",
-    "param_pack_split",
     "reshape",
     "split",
     "squeeze",
@@ -975,81 +973,3 @@ def arange(
     if np.dtype(dtype) == np.int32:
         return result.astype(dtype)
     return result
-
-
-def param_pack_split(inp: Tensor, offsets: List, shapes: List) -> Tensor:
-    r"""
-    Returns split tensor to tensor list as offsets and shapes described,
-            only used for ``parampack``.
-
-    :param inp: input tensor.
-    :param offsets: offsets of outputs, length of `2 * n`,
-            while n is tensor nums you want to split,
-            format `[begin0, end0, begin1, end1]`.
-    :param shapes: tensor shapes of outputs.
-    :return: splitted tensors.
-
-    Examples:
-
-    .. testcode::
-
-        import numpy as np
-        import megengine.functional as F
-        from megengine import tensor
-
-        a = tensor(np.ones((10,), np.int32))
-        b, c = F.param_pack_split(a, [0, 1, 1, 10], [(1,), (3, 3)])
-        print(b.numpy())
-        print(c.numpy())
-
-    Outputs:
-
-    .. testoutput::
-
-        [1]
-        [[1 1 1]
-         [1 1 1]
-         [1 1 1]]
-
-    """
-    op = builtin.ParamPackSplit()
-    op.offsets = offsets
-    op.shapes = shapes
-    return apply(op, inp)
-
-
-def param_pack_concat(inps: List, offsets: Tensor, offsets_val: List) -> Tensor:
-    r"""
-    Returns concated tensor, only used for ``parampack``.
-
-    :param inps: input tensors.
-    :param offsets: device value of offsets.
-    :param offsets_val: offsets of inputs, length of `2 * n`,
-            format `[begin0, end0, begin1, end1]`.
-    :return: concated tensor.
-
-    Examples:
-
-    .. testcode::
-
-        import numpy as np
-        import megengine.functional as F
-        from megengine import tensor
-
-        a = tensor(np.ones((1,), np.int32))
-        b = tensor(np.ones((3, 3), np.int32))
-        offsets_val = [0, 1, 1, 10]
-        offsets = tensor(offsets_val, np.int32)
-        c = F.param_pack_concat([a, b], offsets, offsets_val)
-        print(c.numpy())
-
-    Outputs:
-
-    .. testoutput::
-
-        [1 1 1 1 1 1 1 1 1 1]
-
-    """
-    op = builtin.ParamPackConcat()
-    op.offsets = offsets_val
-    return apply(op, *inps, offsets)[0]

imperative/python/test/unit/distributed/test_distributed.py

@@ -10,12 +10,17 @@ import multiprocessing as mp
 import platform
 import queue
 
+import numpy as np
 import pytest
 
 import megengine as mge
 import megengine.distributed as dist
 from megengine.core.ops.builtin import CollectiveComm, ParamPackConcat, ParamPackSplit
-from megengine.distributed.helper import get_device_count_by_fork
+from megengine.distributed.helper import (
+    get_device_count_by_fork,
+    param_pack_concat,
+    param_pack_split,
+)
 
 
 def _assert_q_empty(q):
@@ -195,3 +200,19 @@ def test_oprmm_hashable():
     rhs = (CollectiveComm(), ParamPackConcat(), ParamPackSplit())
     assert lhs == rhs
     assert hash(lhs) == hash(rhs)
+
+
+def test_param_pack_split():
+    a = mge.Tensor(np.ones((10,), np.int32))
+    b, c = param_pack_split(a, [0, 1, 1, 10], [(1,), (3, 3)])
+    assert np.allclose(b.numpy(), a.numpy()[1])
+    assert np.allclose(c.numpy(), a.numpy()[1:].reshape(3, 3))
+
+
+def test_param_pack_concat():
+    a = mge.Tensor(np.ones((1,), np.int32))
+    b = mge.Tensor(np.ones((3, 3), np.int32))
+    offsets_val = [0, 1, 1, 10]
+    offsets = mge.Tensor(offsets_val, np.int32)
+    c = param_pack_concat([a, b], offsets, offsets_val)
+    assert np.allclose(np.concatenate([a.numpy(), b.numpy().flatten()]), c.numpy())

imperative/python/test/unit/functional/test_tensor.py

@@ -359,19 +359,3 @@ def test_copy_d2h():
 def test_copy_d2d():
     copy_test("gpu0", "gpu1")
     copy_test("gpu0:0", "gpu0:1")
-
-
-def test_param_pack_split():
-    a = tensor(np.ones((10,), np.int32))
-    b, c = F.param_pack_split(a, [0, 1, 1, 10], [(1,), (3, 3)])
-    assert np.allclose(b.numpy(), a.numpy()[1])
-    assert np.allclose(c.numpy(), a.numpy()[1:].reshape(3, 3))
-
-
-def test_param_pack_concat():
-    a = tensor(np.ones((1,), np.int32))
-    b = tensor(np.ones((3, 3), np.int32))
-    offsets_val = [0, 1, 1, 10]
-    offsets = tensor(offsets_val, np.int32)
-    c = F.param_pack_concat([a, b], offsets, offsets_val)
-    assert np.allclose(np.concatenate([a.numpy(), b.numpy().flatten()]), c.numpy())