[Speed] Linux tip: use isolcpus to have (more) reliable benchmark

Victor Stinner victor.stinner at gmail.com
Thu Feb 11 17:54:20 EST 2016


I'm sharing with you my notes (tricks) to get more reliable benchmarks
on Linux if your CPU have multiple cores:


FYI perf.py recently got a new --affinity= optional parameter. I plan
to send a patch to automatically use /sys/devices/system/cpu/isolated
if it's not empty.

What are your "tricks" to get reliable benchmarks?


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