[Bug middle-end/123328] 4% slowdown of povray on Zen5 since r16-6152-g4204d3c46581bf with -fprofile-generate

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Dec 30 08:27:02 GMT 2025


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123328

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|4% slowdown of povray on    |4% slowdown of povray on
                   |Zen5 since                  |Zen5 since
                   |r16-6152-g4204d3c46581bf    |r16-6152-g4204d3c46581bf
                   |with PGO                    |with -fprofile-generate

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Josef Melcr from comment #2)
> Yes, this is with -fprofile-generate. Is there some problem?

we normally don't care that much about -fprofile-generate performance.


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