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Thu Sep 15 05:47:25 EDT 2016 · https://mail.python.org/pipermail/python-dev/2016-September/146493.html

2016-09-15 11:29 GMT+02:00 Antoine Pitrou <solipsis at pitrou.net>:
> That sounds irrelevant. LTO+PGO improves performance, it does
> nothing for benchmarking per se.

In the past, I had bad surprised when running benchmarks without PGO:
https://haypo.github.io/journey-to-stable-benchmark-deadcode.html

I don't recall if ALSR was enabled or not. But I don't think that I
used multiple processes when I ran these benchmarks because I didn't
write the code yet :-)

I should probably redo the same benchmark using new shiny benchmarking
tools (which are expected to be more reliable and stable).

Victor

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