[Speed] Benchmarks: Comparison between Python 2.7 and Python 3.6 performance

[Victor Stinner]

2016-11-04 21:58 GMT+01:00 Victor Stinner <victor.stinner at gmail.com>:
> 2016-11-04 20:21 GMT+01:00 Yury Selivanov <yselivanov.ml at gmail.com>:
>> I'm curious why call_* benchmarks became slower on 3.x?
>
> It's almost the same between 2.7 and default. For 3.6, it looks like
> an issue on the benchmark runner, not on Python itself: (...)

Aha, it seems to be a compiler performance issue. I proposed a patch
to fix the issue:
http://bugs.python.org/issue28618

Victor