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aco: Limit rt stages to 128 vgprs

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Totals from 35472 (7.40% of 479373) affected shaders:

MaxWaves: 206239 -> 283776 (+37.60%)
Instrs: 193922210 -> 202721106 (+4.54%)
CodeSize: 1056819972 -> 1110833680 (+5.11%); split: -0.00%, +5.11%
VGPRs: 6026704 -> 4540416 (-24.66%)
SpillSGPRs: 23742 -> 25754 (+8.47%)
SpillVGPRs: 118897 -> 2295118 (+1830.34%)
Scratch: 7201792 -> 152752128 (+2021.03%)
Latency: 2713432565 -> 3194796286 (+17.74%); split: -0.20%, +17.94%
InvThroughput: 1052131232 -> 935049835 (-11.13%); split: -16.59%, +5.46%
VClause: 6972784 -> 8716721 (+25.01%); split: -0.02%, +25.03%
SClause: 4879313 -> 4852452 (-0.55%); split: -0.88%, +0.33%
Copies: 32782141 -> 35223995 (+7.45%)
Branches: 11075847 -> 11094087 (+0.16%); split: -0.00%, +0.17%
VALU: 118525960 -> 120929058 (+2.03%)
SALU: 33924572 -> 33973293 (+0.14%); split: -0.03%, +0.17%
VMEM: 12419116 -> 17104582 (+37.73%)
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29593>
This commit is contained in:
Friedrich Vock
2024-06-01 11:57:04 +02:00
committed by Marge Bot
parent ec8512ce85
commit 15f2c9c553
1 changed files with 1 additions and 1 deletions
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2
src/amd/compiler/aco_ir.cpp
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@@ -94,7 +94,7 @@ init_program(Program* program, Stage stage, const struct aco_shader_info* info,
/* apparently gfx702 also has 16-bank LDS but I can't find a family for that */
program->dev.has_16bank_lds = family == CHIP_KABINI || family == CHIP_STONEY;
program->dev.vgpr_limit = 256;
program->dev.vgpr_limit = stage == raytracing_cs ? 128 : 256;
program->dev.physical_vgprs = 256;
program->dev.vgpr_alloc_granule = 4;