AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nak: keep phis vectorized if they fit into a register

Browse Source 
Totals:
CodeSize: 936990448 -> 936472720 (-0.06%); split: -0.07%, +0.01%
Number of GPRs: 3539184 -> 3539100 (-0.00%); split: -0.00%, +0.00%
SLM Size: 870756 -> 864200 (-0.75%); split: -0.82%, +0.07%
Static cycle count: 224606486 -> 224173176 (-0.19%); split: -0.21%, +0.02%
Spills to memory: 66542 -> 60425 (-9.19%); split: -9.90%, +0.71%
Fills from memory: 66542 -> 60425 (-9.19%); split: -9.90%, +0.71%
Spills to reg: 68126 -> 68173 (+0.07%)
Fills from reg: 80583 -> 80659 (+0.09%)
Max warps/SM: 3666280 -> 3666276 (-0.00%); split: +0.00%, -0.00%

Totals from 200 (0.23% of 87622) affected shaders:
CodeSize: 5705936 -> 5188208 (-9.07%); split: -10.75%, +1.67%
Number of GPRs: 8160 -> 8076 (-1.03%); split: -1.78%, +0.75%
SLM Size: 40432 -> 33876 (-16.21%); split: -17.76%, +1.54%
Static cycle count: 2163142 -> 1729832 (-20.03%); split: -21.97%, +1.94%
Spills to memory: 30113 -> 23996 (-20.31%); split: -21.88%, +1.57%
Fills from memory: 30113 -> 23996 (-20.31%); split: -21.88%, +1.57%
Spills to reg: 3438 -> 3485 (+1.37%)
Fills from reg: 3836 -> 3912 (+1.98%)
Max warps/SM: 9064 -> 9060 (-0.04%); split: +0.26%, -0.31%

Reviewed-by: Mel Henning <mhenning@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35604>
This commit is contained in:
Karol Herbst
2025-07-11 15:28:18 +02:00
committed by Marge Bot
parent cd79b8f798
commit c96003305e
1 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/nouveau/compiler/nak_nir.c
+7
View File
@@ -91,6 +91,13 @@ vectorize_filter_cb(const nir_instr *instr, const void *_data)
static uint8_t
phi_vectorize_cb(const nir_instr *instr, const void *data)
{
nir_phi_instr *phi = nir_instr_as_phi(instr);
unsigned bit_size = phi->def.bit_size;
if (bit_size == 16)
return 2;
if (bit_size == 8)
return 4;
return 1;
}