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Fix OSError: [Errno 24] Too many open files in multi-copy benchmark #5037

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Fix OSError: [Errno 24] Too many open files in multi-copy benchmark #5037

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6 changes: 6 additions & 0 deletions fbgemm_gpu/fbgemm_gpu/tbe/bench/bench_runs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -153,6 +153,12 @@ def benchmark_cpu_requests_mp(
float: The average runtime per iteration in seconds.

"""
import os
strategy = os.environ.get('PYTORCH_SHARE_STRATEGY')
current_strategy = torch.multiprocessing.get_sharing_strategy()
if strategy is not None and current_strategy != strategy:
torch.multiprocessing.set_sharing_strategy(strategy)

cpu_bm_barrier.create_barrier(num_copies)
worker_pool = torch.multiprocessing.Pool(num_copies)

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