Make unbind() overrideable for NT subclass #110646
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[ghstack-poisoned]
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/110646
Note: Links to docs will display an error until the docs builds have been completed. ✅ You can merge normally! (1 Unrelated Failure)As of commit 578f1ed with merge base a3e5ec4 ( UNSTABLE - The following job failed but was likely due to flakiness present on trunk and has been marked as unstable:
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jbschlosser
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topic: not user facing
cpuhrsch
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Oct 5, 2023
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@pytorchbot merge |
Merge startedYour change will be merged once all checks pass (ETA 0-4 Hours). Learn more about merging in the wiki. Questions? Feedback? Please reach out to the PyTorch DevX Team |
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I've cancelled the merge as #110404 is likely to be reverted. |
Reland of #109122. Fixed the memory leak by not saving the outputs of `unbind()` for backward. Rather, the NT sizes are saved so undefined grads can replaced with zeros of the correct size. [ghstack-poisoned]
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@pytorchbot merge |
Merge startedYour change will be merged once all checks pass (ETA 0-4 Hours). Learn more about merging in the wiki. Questions? Feedback? Please reach out to the PyTorch DevX Team |
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Needed internally. Note that `split_with_sizes()` for NT is currently supported only on `dim=-1`. Pull Request resolved: #110647 Approved by: https://github.com/cpuhrsch, https://github.com/soulitzer ghstack dependencies: #110646
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Stack from ghstack (oldest at bottom):
Reland of #109122. Fixed the memory leak by not saving the outputs of
unbind()for backward. Rather, the NT sizes are saved so undefined grads can replaced with zeros of the correct size.