[Bug 80792] [IVB/HSW/BYT-M Bisected]3D ( SynMark2_v5.3.0 /SynMark2_v6.0 /Lightsmarkv2008 &/warsow_v1.0 /GLBenchmarkv2.7.0/GpuTest GiMark) performance reduced 20%~90%

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jul 16 05:13:31 PDT 2014


--- Comment #9 from Iago Toral <itoral at igalia.com> ---
(In reply to comment #8)
> (In reply to comment #7)
> > (In reply to comment #6)
> > > GLBenchmark Egpyt & T-Rex performance drops to 1/3 (on HSW GT3e).  If
> > > there's some issue with the fix still, at least revert the patch until fix
> > > is ready.
> > 
> > Since this performance drop is specific to Haswell
> As the bug title and description state, this isn't specific to HSW or GT3e.
> Eg. on BYT, TriangleList processing performance has halved and GLB T-Rex
> performance has dropped >10%.  On IVB results are worse, and on HSW worst.

But zhoujian's comment above suggested that the patches I uploaded here fixed
the performance drop on the reported platforms... Eero are you testing this
with master and the two attached patches on top or with a clean checkout of
master? I think Kenneth has not pushed these patches to master yet.

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