16 Mar
2017
16 Mar
'17
7:11 p.m.
2017-03-17 0:00 GMT+01:00 Wang, Peter Xihong peter.xihong.wang@intel.com:
In addition to turbo boost, I also turned off hyperthreading, and c-state, p-state, on Intel CPUs.
My "python3 -m perf system tune" command sets the minimum frequency of CPUs used for benchmarks to the maximum frequency. I expect that it reduces or even avoid changes on P-state and C-state.
See my documentation on How to tune a system for benchmarking:
http://perf.readthedocs.io/en/latest/system.html
Victor
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Victor Stinner