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[checkpoint] Wait for async saves during close #4270

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[checkpoint] Wait for async saves during close #4270

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3 changes: 3 additions & 0 deletions torchtitan/components/checkpointer/dcp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -213,6 +213,9 @@ def __del__(self):
self.close()

def _close(self):
self.maybe_wait_for_staging()
self.maybe_wait_for_saving()

if (
hasattr(self, "purge_thread")
and self.purge_thread
Expand Down