fc2360167c
v2: Add bspec quotation. Suggested by Caio. With better understand of
the restriction, only apply on DG2 and newer platforms.
shader-db:
DG2 and Meteor Lake had similar results. (DG2 shown)
total instructions in shared programs: 19659363 -> 19659360 (<.01%)
instructions in affected programs: 2484 -> 2481 (-0.12%)
helped: 6 / HURT: 1
total cycles in shared programs: 823445738 -> 823432524 (<.01%)
cycles in affected programs: 2619836 -> 2606622 (-0.50%)
helped: 48 / HURT: 63
fossil-db:
DG2 and Meteor Lake had similar results. (DG2 shown)
Totals:
Instrs: 154015863 -> 153987806 (-0.02%); split: -0.02%, +0.00%
Cycle count: 17552172994 -> 17562047866 (+0.06%); split: -0.13%, +0.19%
Spill count: 142124 -> 141544 (-0.41%); split: -0.54%, +0.13%
Fill count: 266803 -> 266046 (-0.28%); split: -0.38%, +0.09%
Scratch Memory Size: 10266624 -> 10271744 (+0.05%); split: -0.02%, +0.07%
Max live registers: 32592428 -> 32592393 (-0.00%); split: -0.00%, +0.00%
Max dispatch width: 5535944 -> 5535912 (-0.00%); split: +0.00%, -0.00%
Totals from 41887 (6.63% of 631367) affected shaders:
Instrs: 32971032 -> 32942975 (-0.09%); split: -0.10%, +0.01%
Cycle count: 3892086217 -> 3901961089 (+0.25%); split: -0.60%, +0.85%
Spill count: 105669 -> 105089 (-0.55%); split: -0.72%, +0.18%
Fill count: 206459 -> 205702 (-0.37%); split: -0.49%, +0.12%
Scratch Memory Size: 7766016 -> 7771136 (+0.07%); split: -0.03%, +0.09%
Max live registers: 3230515 -> 3230480 (-0.00%); split: -0.00%, +0.00%
Max dispatch width: 337232 -> 337200 (-0.01%); split: +0.00%, -0.01%
No shader-db or fossil-db changes on any earlier Intel platforms.
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27891>