Re: [Mesa-dev] [PATCH 2/3] i965: Implement the PMA stall fix.

2014-11-03 Thread Kristian Høgsberg
On Wed, Oct 22, 2014 at 8:58 AM, Kenneth Graunke wrote: > Certain non-promoted depth cases typically incur stalls. In very > specific cases, we can enable a workaround which improves performance. > > Improves performance in GLBenchmark 2.7 TRex by 1.17762% +/- 0.448765% > (n=75) at 1280x720 on Br

[Mesa-dev] [PATCH 2/3] i965: Implement the PMA stall fix.

2014-10-22 Thread Kenneth Graunke
Certain non-promoted depth cases typically incur stalls. In very specific cases, we can enable a workaround which improves performance. Improves performance in GLBenchmark 2.7 TRex by 1.17762% +/- 0.448765% (n=75) at 1280x720 on Broadwell GT3. Haswell has this feature as well, but we can't curre