[Bug 103940] 2% perf drop in SynMark PSPom test from "intel/fs: Be more explicit about our placement of [un]zip"
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Jul 12 11:16:33 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=103940
Eero Tamminen <eero.t.tamminen at intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from Eero Tamminen <eero.t.tamminen at intel.com> ---
(In reply to Eero Tamminen from comment #1)
> Bisected commit changed the instruction emit order, which caused GPU hangs
> with SIMD32.
>
> Following patch fixes the hang / restores the order:
> https://patchwork.freedesktop.org/patch/225334/
>
> Regardless of whether it fixes the small perf regression in this bug, I
> think this can be closed after that commit is in.
Regression had improved to previous level already earlier, and the indicated
commit went upstream in Jun 28 2018 -> closing as FIXED.
(This test has stable FPS result, but there have actually been small perf
changes in this test quite often. I guess it reacts easily to shader compiler
changes.)
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