[DCP] Always create requests for non-tensor objects #125334
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/125334
Note: Links to docs will display an error until the docs builds have been completed. ❌ 2 New Failures, 1 Unrelated FailureAs of commit 9cd89e4 with merge base 746da87 ( NEW FAILURES - The following jobs have failed:
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Summary: Right now DCP only flatten a mapping (e.g., dict) if that mapping has tensor objects. This behavior is odd as users may save different non-tensor objects on different ranks. Without flattening the mappings, we may lose these non-tensor objects. One use case is dataloader state_dict. We may also want to do so for a list/tuple. But this will cause extra pickles. So we don't do this for now. Pull Request resolved: #125335 Approved by: https://github.com/LucasLLC, https://github.com/wz337 ghstack dependencies: #125333, #125501, #125334
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Summary: distributed_state_dict should not try to use `getattr` to get `_extra_state` as this is not well-defined. Pull Request resolved: pytorch#125336 Approved by: https://github.com/LucasLLC ghstack dependencies: pytorch#125333, pytorch#125501, pytorch#125334, pytorch#125335
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* [DSD] Correctly handle _extra_state (#125336) Summary: distributed_state_dict should not try to use `getattr` to get `_extra_state` as this is not well-defined. Pull Request resolved: #125336 Approved by: https://github.com/LucasLLC ghstack dependencies: #125333, #125501, #125334, #125335 * lint * lint --------- Co-authored-by: Chien-Chin Huang <chienchin@fb.com> Co-authored-by: Andrey Talman <atalman@fb.com>
antoinebrl
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May 27, 2024
…ytorch#125337) Summary: Fixes pytorch#122792 state_dict includes only persistent buffers, while named_buffers() would include non_persistent buffers. Pull Request resolved: pytorch#125337 Approved by: https://github.com/awgu ghstack dependencies: pytorch#125333, pytorch#125501, pytorch#125334, pytorch#125335, pytorch#125336
huydhn
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…125337) (#127219) * [DSD] Fix to remove non_persistent buffer in distributed state dict (#125337) Summary: Fixes #122792 state_dict includes only persistent buffers, while named_buffers() would include non_persistent buffers. Pull Request resolved: #125337 Approved by: https://github.com/awgu ghstack dependencies: #125333, #125501, #125334, #125335, #125336 * lintrunner * lint --------- Co-authored-by: Chien-Chin Huang <chienchin@fb.com> Co-authored-by: Andrey Talman <atalman@fb.com>
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Stack from ghstack (oldest at bottom):
Summary:
If an object only exists on certain non-coordinator ranks, we still need to save them. Otherwise, we lose these objects. If they are duplicated, DCP will deduplicate them.
cc @mrshenli @pritamdamania87 @zhaojuanmao @satgera @rohan-varma @gqchen @aazzolini @osalpekar @jiayisuse @H-Huang @kwen2501 @awgu @penguinwu @XilunWu @wanchaol @fduwjj @wz337 @tianyu-l @wconstab @yf225 @chauhang @d4l3k @LucasLLC