[Bug 21611] 2c8e130f73c680d4a7381b2ef37982b82c6ee478 can cause massive 2D performance slowdown

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=21611





--- Comment #4 from Michel Dänzer <michel at daenzer.net>  2009-05-08 03:19:45 PST ---
(In reply to comment #3)
> I am running KDE 4.2.2 and I was noticing very large delays in changing tabs in
> konsole. Switching from one console to another would take upto 2 seconds. Which
> was not what I wanted.

FWIW, this may be fixed or at least better with EXA (and with the DRI enabled,
so there is RENDER acceleration) from xserver Git, which will become the 1.7
release.

> What 'modern' benchmarking tool do you suggest to use?

Real-world use cases are preferable over artificial benchmarks.

> And I did not complain that the performance is slower without DRI, but that
> after the commit the performance is _really_ slow.

Understood, what I'm saying is that the DRI is required for best performance
with EXA. (Maybe we should still default to XAA without DRI)


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