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brw: Do cmod prop again after brw_lower_subgroup_ops

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shader-db:

All Intel platforms had similar results. (Lunar Lake shown)
total instructions in shared programs: 17114300 -> 17114294 (<.01%)
instructions in affected programs: 3617 -> 3611 (-0.17%)
helped: 6 / HURT: 0

total cycles in shared programs: 886397556 -> 886397454 (<.01%)
cycles in affected programs: 511400 -> 511298 (-0.02%)
helped: 6 / HURT: 0

fossil-db:

Lunar Lake
Totals:
Instrs: 233683694 -> 233676039 (-0.00%); split: -0.00%, +0.00%
Cycle count: 32602038466 -> 32594097814 (-0.02%); split: -0.03%, +0.01%
Spill count: 540908 -> 540704 (-0.04%)
Fill count: 700935 -> 700258 (-0.10%)

Totals from 2200 (0.28% of 789264) affected shaders:
Instrs: 2062360 -> 2054705 (-0.37%); split: -0.37%, +0.00%
Cycle count: 2506073282 -> 2498132630 (-0.32%); split: -0.41%, +0.09%
Spill count: 14423 -> 14219 (-1.41%)
Fill count: 34219 -> 33542 (-1.98%)

Meteor Lake and DG2 had similar results. (Meteor Lake shown)
Totals:
Instrs: 263545171 -> 263543341 (-0.00%); split: -0.00%, +0.00%
Cycle count: 26480835985 -> 26484748317 (+0.01%); split: -0.01%, +0.03%
Spill count: 554335 -> 554338 (+0.00%)
Fill count: 645486 -> 645498 (+0.00%)

Totals from 610 (0.07% of 903944) affected shaders:
Instrs: 1139871 -> 1138041 (-0.16%); split: -0.17%, +0.01%
Cycle count: 2274612327 -> 2278524659 (+0.17%); split: -0.15%, +0.33%
Spill count: 15153 -> 15156 (+0.02%)
Fill count: 36831 -> 36843 (+0.03%)

Tiger Lake, Ice Lake, and Skylake had similar results. (Tiger Lake shown)
Totals:
Instrs: 268713723 -> 268712817 (-0.00%); split: -0.00%, +0.00%
Cycle count: 24653238085 -> 24652269669 (-0.00%); split: -0.00%, +0.00%
Fill count: 671369 -> 671361 (-0.00%)

Totals from 666 (0.07% of 899711) affected shaders:
Instrs: 924423 -> 923517 (-0.10%); split: -0.11%, +0.01%
Cycle count: 840380565 -> 839412149 (-0.12%); split: -0.13%, +0.02%
Fill count: 13006 -> 12998 (-0.06%)

Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35444>
This commit is contained in:
Ian Romanick 2025-04-18 13:21:09 -07:00 • committed by Marge Bot
parent 31f0d0732e
commit 4a238f461d
1 changed files with 3 additions and 1 deletions
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4
src/intel/compiler/brw_opt.cpp
View file

@ -103,7 +103,9 @@ brw_optimize(brw_shader &s)
OPT(brw_opt_dead_code_eliminate);
}
OPT(brw_lower_subgroup_ops);
if (OPT(brw_lower_subgroup_ops))
OPT(brw_opt_cmod_propagation);
OPT(brw_lower_csel);
OPT(brw_lower_simd_width);
OPT(brw_lower_scalar_fp64_MAD);