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deepspeedai / DeepSpeed Public

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Fix hook count performance regression from v0.18.5#7886

Merged

tohtana merged 5 commits intodeepspeedai:masterdeepspeedai/DeepSpeed:masterfrom

tohtana:tohtana/fix-perf-regressiontohtana/DeepSpeed:tohtana/fix-perf-regressionCopy head branch name to clipboard

Mar 5, 2026

Conversation Commits5 (5)Checks Files changed

Merged

Fix hook count performance regression from v0.18.5#7886
tohtana merged 5 commits intodeepspeedai:masterfrom
tohtana:tohtana/fix-perf-regression

Commits

Commits on Mar 4, 2026

Add should_refresh_expected_hook_count and harden enter_backward
tohtana
committed
Fix ZeRO-2 hook to cache count_used_parameters_in_backward result
tohtana
committed
Fix ZeRO-3 hooks to cache count_used_parameters_in_backward result
tohtana
committed

Commits on Mar 5, 2026

Add regression tests for hook count performance fix

tohtana
and
rraminen
committed
Add comment clarifying refresh-before-reenter ordering
tohtana
committed

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