March 16, 2017
9:22 a.m.
On Thu, 16 Mar 2017 01:50:39 +0100 Victor Stinner <victor.stinner@gmail.com> wrote:
I made my own experiment on the impact on temperature on performance, and above 100°C, I didn't notice anything: https://haypo.github.io/intel-cpus-part2.html "Impact of the CPU temperature on benchmarks"
I suspect temperature can have an impact on performance if Turbo is enabled (or, as you noticed, if CPU cooling is deficient).
Note that tweaking a system for benchmarking (disabling Turbo, disabling ASLR, etc.) may make the results more reproducible, but it may also make them less representative of real-world conditions (because few people disable Turbo or ASLR, except precisely on benchmarking machines :-)). It's a delicate balancing act!
Regards
Antoine.