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[Fuzzer] Update BINARYEN_CORES comment #9316

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Merged
tlively merged 2 commits into from
Oct 28, 2026
Merged

[Fuzzer] Update BINARYEN_CORES comment #9316

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[Fuzzer] Update BINARYEN_CORES comment
tlively Oct 27, 2026
dd22ddf
Update scripts/fuzz_opt.py
tlively Oct 27, 2026
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3 changes: 3 additions & 0 deletions scripts/fuzz_opt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,9 @@

# Limit default thread pool size per subprocess so parallel passes are still
# exercised without spawning a thread per hardware core on every invocation.
# On machines with lots of cores, the overhead of setting up a full-sized
# thread pool and synchronization around function-parallel passes can be
# significant when running on the fuzzer's relatively small modules.
os.environ.setdefault('BINARYEN_CORES', '4')

# parameters
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