very slow performance of glxgears (68 fps)

Matthias Hopf mhopf at suse.de
Thu Feb 5 09:03:14 PST 2009


On Jan 30, 09 18:11:57 -0800, Bryce Harrington wrote:
> On Fri, Jan 30, 2009 at 01:29:49PM -0800, Eric Anholt wrote:
> > > $ glxgears
> > > Failed to initialize TTM buffer manager.  Falling back to classic.
> > > 300 frames in 5.0 seconds = 59.884 FPS
> > > 299 frames in 5.0 seconds = 59.621 FPS
> > > 300 frames in 5.0 seconds = 59.818 FPS
> > 
> > glxgears is not a benchmark.
> > 
> > We sync to vblank because running glxgears at 1000fps is dumb.
> 
> I am going to go out on a limb and guess we're going to see a crapload
> of reports of "performance regression" due to reduced glxgears frame
> rates.

At openSUSE we print out a warning now (well, this change went into
*after* 11.1, unfortunately), that this is not a benchmark. We got really
tired of these statements.

Matthias

-- 
Matthias Hopf <mhopf at suse.de>      __        __   __
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