[Intel-gfx] Mesa drm-gem performance regression on 915/945
keithp at keithp.com
Tue Aug 5 19:52:57 CEST 2008
On Tue, 2008-08-05 at 10:43 -0700, Jesse Barnes wrote:
> On Tuesday, August 05, 2008 10:32 am Keith Packard wrote:
> > Running the drm-gem branch of mesa, I'm finding performance to be quite
> > terrible -- openarena is running at about 2fps on my 915GMS machine,
> > where it use to top 20fps. True in both GEM and INTEL_NO_GEM=1 mode.
> > Using drm-gem DRM and drm-gem xf86-video-intel as of this evening.
> I recently pushed a change to default to using vblank sync'd buffer swaps.
> That could be the problem if that code broke recently...
gears is at 180FPS, open arena is at 2fps. Seems unlikely, but I guess
keith.packard at intel.com
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