[Bug 36596] Major 2D performance bottleneck (most noticeable with compiz)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Apr 27 03:28:43 PDT 2011


--- Comment #3 from Michel Dänzer <michel at daenzer.net> 2011-04-27 03:28:43 PDT ---
(In reply to comment #3)
> With compiz, making a new window or resizing a window makes the framerate drop
> to 2 fps for about 5 or 6 seconds.

Does that involve wobbly windows or any other effects?

> I've had this problem with the Debian Mesa packages since they switched to
> gallium, and with git master (as of yesterday) built with and without
> --enable-gallium-llvm.

Did you double-check that enabling LLVM actually worked?

If that's not the problem, and if the slowness coincides with high CPU usage, a
profile from sysprof or oprofile might give some ideas.

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