PGO is not enabled in RHEL and Fedora. I did some initial testing for Fedora, however it increased the compilation time of the RPM by approximately two hours, so for the time being I left it out. Regards, Charalampos Stratakis Associate Software Engineer Python Maintenance Team, Red Hat ----- Original Message ----- From: "Victor Stinner" <victor.stinner at gmail.com> To: "Nick Coghlan" <ncoghlan at gmail.com> Cc: "Barry Warsaw" <barry at python.org>, "Python-Dev" <python-dev at python.org> Sent: Friday, March 3, 2017 11:21:49 AM Subject: Re: [Python-Dev] Help requested with Python 2.7 performance regression 2017-03-03 8:27 GMT+01:00 Nick Coghlan <ncoghlan at gmail.com>: > Victor, do you know if you or anyone else has compared the RHEL/CentOS 7.x > binaries (Python 2.7.5 + patches, built with GCC 4.8.x) with the Fedora 25 > binaries (Python 2.7.13 + patches, built with GCC 6.3.x)? I didn't and I'm not aware of anyone who did that. It would be nice to run performance since this benchmark suite should now be much more reliable. By the way, I always forget to check if Fedora and RHEL compile Python using PGO. Victor _______________________________________________ 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/cstratak%40redhat.com
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