Ian Romanick
1a7593ed36
brw/nir: Treat some ballot as convergent
...
v2: Fix for Xe2.
v3: Add a comment explaining the use of bld instead of xbld. Suggested
by Ken. Fix a bug in handing is_scalar source. Noticed by me while
applying Ken's review feedback.
shader-db:
Lunar Lake, Meteor Lake, DG2, and Tiger Lake had similar results. (Lunar Lake shown)
total instructions in shared programs: 18228657 -> 18228689 (<.01%)
instructions in affected programs: 9333 -> 9365 (0.34%)
helped: 2 / HURT: 26
total cycles in shared programs: 932511560 -> 932542994 (<.01%)
cycles in affected programs: 2263040 -> 2294474 (1.39%)
helped: 7 / HURT: 27
Ice Lake and Skylake had similar results. (Ice Lake shown)
total instructions in shared programs: 20700370 -> 20700392 (<.01%)
instructions in affected programs: 18579 -> 18601 (0.12%)
helped: 1 / HURT: 28
total cycles in shared programs: 888385851 -> 888386325 (<.01%)
cycles in affected programs: 2571368 -> 2571842 (0.02%)
helped: 14 / HURT: 6
total spills in shared programs: 4373 -> 4371 (-0.05%)
spills in affected programs: 71 -> 69 (-2.82%)
helped: 1 / HURT: 0
total fills in shared programs: 4657 -> 4653 (-0.09%)
fills in affected programs: 196 -> 192 (-2.04%)
helped: 1 / HURT: 0
fossil-db:
Lunar Lake
Totals:
Instrs: 142887258 -> 142890605 (+0.00%); split: -0.00%, +0.00%
Cycle count: 21653599282 -> 21655049536 (+0.01%); split: -0.00%, +0.01%
Max live registers: 47942973 -> 47942837 (-0.00%)
Totals from 22209 (4.01% of 553251) affected shaders:
Instrs: 4337679 -> 4341026 (+0.08%); split: -0.00%, +0.08%
Cycle count: 261852040 -> 263302294 (+0.55%); split: -0.38%, +0.93%
Max live registers: 1299670 -> 1299534 (-0.01%)
Meteor Lake, DG2, Tiger Lake, and Skylake had similar results. (Meteor Lake shown)
Totals:
Instrs: 156599915 -> 156590882 (-0.01%); split: -0.01%, +0.00%
Cycle count: 16940072009 -> 16940902317 (+0.00%); split: -0.01%, +0.01%
Max live registers: 32610801 -> 32610488 (-0.00%)
Max dispatch width: 5730736 -> 5731744 (+0.02%); split: +0.12%, -0.11%
Totals from 35528 (5.52% of 643617) affected shaders:
Instrs: 6175409 -> 6166376 (-0.15%); split: -0.21%, +0.06%
Cycle count: 230679923 -> 231510231 (+0.36%); split: -0.46%, +0.82%
Max live registers: 1354716 -> 1354403 (-0.02%)
Max dispatch width: 167648 -> 168656 (+0.60%); split: +4.26%, -3.66%
Ice Lake
Totals:
Instrs: 155330276 -> 155318037 (-0.01%); split: -0.01%, +0.00%
Cycle count: 15019092327 -> 15019637026 (+0.00%); split: -0.00%, +0.01%
Max live registers: 32640341 -> 32637305 (-0.01%)
Max dispatch width: 5780720 -> 5780688 (-0.00%); split: +0.02%, -0.02%
Totals from 37773 (5.85% of 645641) affected shaders:
Instrs: 6643030 -> 6630791 (-0.18%); split: -0.24%, +0.05%
Cycle count: 223589025 -> 224133724 (+0.24%); split: -0.29%, +0.53%
Max live registers: 1491781 -> 1488745 (-0.20%)
Max dispatch width: 167600 -> 167568 (-0.02%); split: +0.75%, -0.77%
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29884 >
2024-12-24 18:09:59 -08:00