delldu commented on a change in pull request #8443:
URL: https://github.com/apache/tvm/pull/8443#discussion_r670272334
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File path: python/tvm/relay/op/nn/nn.py
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@@ -3646,3 +3646,38 @@ def batch_to_space_nd(data, block_shape, crops):
"""
return _make.batch_to_space_nd(data, block_shape, crops)
+
+
+def im2col(data, kernel_size, dilation, padding, stride):
+ r"""im2col.
+
+ This operator convert 4-D NCHW data with im2col for PyTorch unfold.
+
+ Please reference
+
`https://pytorch.org/docs/stable/generated/torch.nn.Unfold.html#torch.nn.Unfold`
+
Review comment:
Removed usefulness comments in source code.
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