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Showing content from https://mail.python.org/pipermail/python-dev/2017-March/147531.html below:

[Python-Dev] Help requested with Python 2.7 performance regression

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2017-03-03 12:18 GMT+01:00 Charalampos Stratakis <cstratak at redhat.com>:
> 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.

Two hours in a *single* build server is very cheap compared to the
10-20% speedup on *all* computers using this PGO build, no?

Victor

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