[Bug 86242] [BDW Bisected] Unigine-valley_1_0 performance reduced ~10%

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Nov 18 01:04:43 PST 2014


--- Comment #3 from Kenneth Graunke <kenneth at whitecape.org> ---
(In reply to Eero Tamminen from comment #1)
> Wendy, there have been mentions of PMA issue having much larger benefits (on
> HSW) in Valve games and Lightsmark.  Could you mail me information about the
> performance before and after the indicated Mesa commit in Lightsmark and all
> the games?

Eero, I never actually tested PMA on Lightsmark or Valve games...I wouldn't
expect it to make a big impact.  It sounds like you're thinking of the shadow_c
performance fix, which is different.

I'm okay with reverting the PMA stuff if it's a loss overall.  I'm kind of
surprised though...

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