[Python-Dev] Benchmarks why we need PEP 576/579/580 (original) (raw)

Guido van Rossum guido at python.org
Sat Jul 21 13:55:03 EDT 2018

I don’t think we can safely assume Python 3.7 has the same performance, actually. A lot has changed.

On Sat, Jul 21, 2018 at 10:10 AM INADA Naoki <songofacandy at gmail.com> wrote:

On Sun, Jul 22, 2018 at 1:28 AM Jeroen Demeyer <J.Demeyer at ugent.be> wrote: > > Hello, > > I finally managed to get some real-life benchmarks for why we need a > faster C calling protocol (see PEPs 576, 579, 580). > Good job. But I already +1 for adding support for extension callable type. Do you think this benchmark can be optimized more in future optimization which is possible by PEP 580, but not 576? > > > I should mention that this was done on Python 2.7.15 (SageMath is not > yet ported to Python 3) but I see no reason why the conclusions > shouldn't be valid for newer Python versions. I used SageMath 8.3.rc1 > and Cython 0.28.4. > Do you mean you backport LOADMETHOD and fastcall to Python 2.7 for benchmarking? Reproducing it seems hard job to me... > -- INADA Naoki <songofacandy at gmail.com> _________________________ Python-Dev mailing list Python-Dev at python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/guido%40python.org

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