!52829 fix conv3d group

Merge pull request !52829 from chenkang/r2.0_fix_conv3d_group

docs/api/api_python/ops/mindspore.ops.Conv3D.rst

@@ -29,6 +29,10 @@ mindspore.ops.Conv3D
     :math:`dilation` 为三维卷积核膨胀尺寸， :math:`stride` 为移动步长，
     :math:`padding` 为在输入两侧的填充长度。
 
+    .. note::
+        在Ascend平台上，目前只支持 :math:`group=1` 。
+
+
     参数：
         - **out_channel** (int) - 输出的通道数 :math:`C_{out}` 。
         - **kernel_size** (Union[int, tuple[int]]) - 指定三维卷积核的深度、高度和宽度。可以为单个int或包含三个整数的Tuple。一个整数表示卷积核的深度、高度和宽度均为该值。包含三个整数的Tuple分别表示卷积核的深度、高度和宽度。

docs/api/api_python/ops/mindspore.ops.func_conv3d.rst

@@ -21,7 +21,7 @@ mindspore.ops.conv3d
 
     .. note::
 
-        1. 在Ascend平台上，目前只支持深度卷积场景下的分组卷积运算。也就是说，当 `group>1` 的场景下，必须要满足 :math:`C_{in} = C_{out} = group` 的约束条件。
+        1. 在Ascend平台上，目前只支持 :math:`groups=1` 。
         2. 在Ascend平台上，目前只支持 :math:`dialtion=1` 。
 
 

mindspore/python/mindspore/ops/function/nn_func.py

@@ -5143,8 +5143,7 @@ def conv3d(input, weight, bias=None, stride=1, pad_mode="valid", padding=0, dila
     Recognition <http://vision.stanford.edu/cs598_spring07/papers/Lecun98.pdf>`_ .
 
     Note:
-        1. On Ascend platform, only group convolution in depthwise convolution scenarios is supported.
-           That is, when `groups>1`, condition :math:`C_{in} = C_{out} = groups` must be satisfied.
+        1. On Ascend platform, :math:`groups = 1` must be satisfied.
         2. On Ascend dilation on depth only supports the case of 1.
 
     Args:

mindspore/python/mindspore/ops/operations/nn_ops.py

@@ -1274,8 +1274,7 @@ class Conv2D(Primitive):
     <http://vision.stanford.edu/cs598_spring07/papers/Lecun98.pdf>`_.
 
     Note:
-        On Ascend platform, only group convolution in depthwise convolution scenarios is supported.
-        That is, when `group>1`, condition `in\_channels` = `out\_channels` = `group` must be satisfied.
+        On Ascend platform, :math:`group = 1` must be satisfied.
 
     Args:
         out_channel (int): The number of output channel :math:`C_{out}`.
@@ -7775,8 +7774,8 @@ class Conv3D(Primitive):
         validator.check_value_type("group", group, (int,), self.name)
         validator.check_int_range(group, 1, out_channel, validator.INC_BOTH, "group", self.name)
         device_target = context.get_context("device_target")
-        if device_target == "Ascend" and group > 1 and out_channel != group:
-            raise ValueError("On Ascend platform, when group > 1, condition C_in = C_out = group must be satisfied.")
+        if device_target == "Ascend" and group != 1:
+            raise ValueError("On Ascend platform, group = 1 must be satisfied.")
 
         self.group = group
         self.add_prim_attr('groups', self.group)