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[Python-Dev] Stop using timeit, use perf.timeit!

Victor Stinner victor.stinner at gmail.com
Fri Jun 10 17:22:42 EDT 2016 
2016-06-10 20:47 GMT+02:00 Meador Inge <meadori at gmail.com>:
> Apologies in advance if this is answered in one of the links you posted, but
> out of curiosity was geometric mean considered?
>
> In the compiler world this is a very common way of aggregating performance
> results.

FYI I chose to store all timings in the JSON file. So later, you are
free to recompute the average differently, compute other statistics,
etc.

I saw that the CPython benchmark suite has an *option* to compute the
geometric mean. I don't understand well the difference with the
arithmeric mean.

Is the geometric mean recommended to aggregate results of different
(unrelated) benchmarks, or also even for multuple runs of a single
benchmark?

Victor
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