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ctx.saved_tensors should be unpacked only once #7

Merged

tgale96 merged 1 commit into stanford-futuredata:main from grad0s:bugfix/double_unpacking

Apr 9, 2024

Contributor

grad0s commented Apr 4, 2024

ctx.saved_tensors should be unpacked only once in backward (specifically reproduced in checkpointing context)

ref:
https://github.com/pytorch/pytorch/blob/d486cb7c1b6a4a80f6287c1092b9223b11826428/torch/utils/checkpoint.py#L1134


          ctx.saved_tensors should be unpacked only once

f74df1d

grad0s mentioned this pull request

torch.checkpoint backward issue #8

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tgale96 commented Apr 9, 2024

Thanks for the contribution!

tgale96 approved these changes

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tgale96 merged commit e5c47f6 into stanford-futuredata:main

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