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[None][fix] Fix tmp dir being deleted too early in unit test. #10741

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Merged
hyukn merged 1 commit into from
Jan 19, 2026
Merged

[None][fix] Fix tmp dir being deleted too early in unit test. #10741

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3 changes: 3 additions & 0 deletions tests/unittest/_torch/misc/test_autotuner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -738,6 +738,8 @@ def _distributed_worker_function(world_size, strategy):
runner = DistributedGemmRunner(prefer_tactics=prefer_tactics)
config = TuningConfig(distributed_tuning_strategy=strategy)

# Keep temp_dir in function scope to prevent premature garbage collection
temp_dir = None
if rank == 0:
temp_dir = tempfile.TemporaryDirectory()
# rank 0 should broadcast the cache path to all ranks
Expand Down Expand Up @@ -782,6 +784,7 @@ def _distributed_worker_function(world_size, strategy):
else:
assert False, f"Unknown strategy: {strategy}"

dist.barrier()
return True


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