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[BUG]: Torch compile causes multi-process to hang with python 3.9 #5987

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Edenzzzz opened this issue Aug 10, 2024 · 0 comments
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[BUG]: Torch compile causes multi-process to hang with python 3.9 #5987

Edenzzzz opened this issue Aug 10, 2024 · 0 comments
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@Edenzzzz
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Is there an existing issue for this bug?

  • I have searched the existing issues

🐛 Describe the bug

Posting this for documentation purposes.
torch.compile has been reported to cause hang on exit when used with the "spawn" method in multiprocess.
pytorch/pytorch#115366
pytorch/pytorch#126311
Upgrading to Python 3.10 may solve the problem (at least in my case). Currently, we can only push the Pytorch community to fix this🫠

Environment

PyTorch 2.1.1 + Python 3.9
@Edenzzzz Edenzzzz added the bug Something isn't working label Aug 10, 2024
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