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[BUG][FRONTEND] Pytorch Importer mm #8392

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tqchen opened this issue Jul 2, 2021 · 6 comments · Fixed by #8397
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[BUG][FRONTEND] Pytorch Importer mm #8392

tqchen opened this issue Jul 2, 2021 · 6 comments · Fixed by #8397
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@masahi @jcf94

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tqchen commented Jul 2, 2021

Caught this when reading through the code. Dense requires transposition.

https://github.com/apache/tvm/blob/main/python/tvm/relay/frontend/pytorch.py#L1880
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tqchen commented Jul 2, 2021

cc @masahi

@tqchen tqchen mentioned this issue Jul 3, 2021
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tqchen commented Jul 3, 2021

tracking an related error here https://discuss.tvm.apache.org/t/pytorch-unable-to-import-a-simple-torch-nn-linear-to-relay/10383

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tqchen commented Jul 3, 2021

cc @jcf94 @comaniac

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masahi commented Jul 3, 2021

Yeah torch.mm expects non-transposed input, so our converter doesn't seem correct. https://pytorch.org/docs/stable/generated/torch.mm.html

I wonder why the test cases didn't catch this...

@masahi masahi self-assigned this Jul 3, 2021
@masahi masahi mentioned this issue Jul 3, 2021
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masahi commented Jul 3, 2021

Sorry for the confusion, this converter is not used anywhere. Removed in #8397

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jcf94 commented Jul 5, 2021 •
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Sorry for my late reply, what's the latest update to this bug?
The nn.matmul should currently only be enabled in TensorFlow frontend with extra parameters.

Ok, seems it has been fixed in #8397 ? Thanks @masahi .

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[Torch] Remove unused conversion masahi/tvm
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@masahi @tqchen @jcf94