[issue44037] Broad performance regression from 3.10a7 to 3.10b1 with python.org macOS binaries

Change by Brandt Bucher : -- nosy: +brandtbucher ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue44037] Broad performance regression from 3.10a7 to 3.10b1 with python.org macOS binaries

Change by STINNER Victor : -- nosy: -vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue44037] Broad performance regression from 3.10a7 to 3.10b1 with python.org macOS binaries

Raymond Hettinger added the comment: > There is no reason to suspect a general Python performance regression > on this benchmark between a7 and b1. Pablo just ran the same benchmarks on Arch Linux and did not observe the degradation, so this does seem specific to the macOS build. --

[issue44037] Broad performance regression from 3.10a7 to 3.10b1 with python.org macOS binaries

Ned Deily added the comment: Thanks for the report, Raymond, and for taking the time to check performance. I am able to reliably reproduce the slowdowns in the benchmark between the 3.10.0a7 and 3.10.0b1 versions provided by the macOS installers on python.org. A similar slowdown is seen on