[Bug 83436] Sudden framerate drops in multiple games

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Sep 5 07:03:04 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=83436

--- Comment #17 from smoki <smoki00790 at gmail.com> ---
 OK i found -mtune=generic is culprit for performance :). Played a little with
-mtune to found what is minimum this code wants to work fast:

 -mtune=i586 = slow
 -mtune=pentium = slow
 -mtune=pentium-mmx = slow
 -mtune=pentium-pro = fast
 -mtune=i686 = fast
 -mtune=pentium3 = fast
 -mtune=pentium-pro = fast
 etc...

  So -mtune=generic seems to set lower cpu target than this code needed to
perform fast.

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