Hello.
As far as I know binaries in Fedora repositories are compiled without
PGO (profile-guided optimization). Also I don't know any LInux-based OS
where binaries are precompiled with PGO. With PGO we can improve
performance of binaries for typical use-cases without compiling for some
specific architecture (so binaries with PGO will be
architecture-independent).
Question: why PGO isn't used by maintainers for packages? Lack of
profile data for compilation with PGO? Isn't interested for
mainatainers? Something else? Will you try to use PGO for your packages,
if will be available repository with profile data for different
applications, where you can pick profile data for your application,
recompile package with this information and, probably, increase
performance of your application?
Thank you.
With best regards, Alexander Zaitsev.
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