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Resized compressed sparse tensor has wrong numel() result. #91830

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pearu opened this issue Jan 6, 2023 · 0 comments
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Resized compressed sparse tensor has wrong numel() result. #91830

pearu opened this issue Jan 6, 2023 · 0 comments
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@pearu
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module: correctness (silent) issue that returns an incorrect result silently module: sparse Related to torch.sparse triaged This issue has been looked at a team member, and triaged and prioritized into an appropriate module
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pearu commented Jan 6, 2023 •
edited by pytorch-bot bot
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There is a bug in resize_ of sparse compressed tensor:

>>> torch.empty((0, 0), layout=torch.sparse_csr).resize_((2, 2)).numel()
0

The expected value is 4:

>>> torch.empty((2, 2), layout=torch.sparse_csr).numel()
4

Originally posted by @pearu in #90177 (comment)

cc @alexsamardzic @nikitaved @cpuhrsch @amjames @bhosmer
@pearu pearu added module: sparse Related to torch.sparse module: correctness (silent) issue that returns an incorrect result silently labels Jan 6, 2023
@pearu pearu added this to To do in Sparse tensors via automation Jan 6, 2023
@pearu pearu mentioned this issue Jan 6, 2023
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@pearu pearu self-assigned this Jan 6, 2023
@pearu pearu mentioned this issue Jan 6, 2023
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@pearu pearu linked a pull request Jan 6, 2023 that will close this issue
Fix numel() result after resizing a sparse compressed tensor. #91831
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@albanD albanD added the triaged This issue has been looked at a team member, and triaged and prioritized into an appropriate module label Jan 10, 2023
Sparse tensors automation moved this from To do to Done Jan 10, 2023
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module: correctness (silent) issue that returns an incorrect result silently module: sparse Related to torch.sparse triaged This issue has been looked at a team member, and triaged and prioritized into an appropriate module
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Fix numel() result after resizing a sparse compressed tensor. pytorch/pytorch
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@pearu @albanD