mesa/src/compiler
Ian Romanick 1e691e68e2 nir/algebraic: Optimize bfi with odd-valued mask to bitfield_select
shader-db:

Lunar Lake, Meteor Lake, and DG2 had similar results. (Lunar Lake shown)
total instructions in shared programs: 17181254 -> 17181046 (<.01%)
instructions in affected programs: 35834 -> 35626 (-0.58%)
helped: 130 / HURT: 2

total cycles in shared programs: 888543370 -> 888554248 (<.01%)
cycles in affected programs: 7443984 -> 7454862 (0.15%)
helped: 95 / HURT: 87

fossil-db:

Lunar Lake
Totals:
Instrs: 233260196 -> 233259474 (-0.00%); split: -0.00%, +0.00%
Cycle count: 32754567116 -> 32754515890 (-0.00%); split: -0.00%, +0.00%
Max live registers: 71738442 -> 71738398 (-0.00%); split: -0.00%, +0.00%

Totals from 6842 (0.87% of 790721) affected shaders:
Instrs: 5566926 -> 5566204 (-0.01%); split: -0.01%, +0.00%
Cycle count: 512487046 -> 512435820 (-0.01%); split: -0.20%, +0.19%
Max live registers: 1100656 -> 1100612 (-0.00%); split: -0.00%, +0.00%

Meteor Lake and DG2 had similar results. (Meteor Lake shown)
Totals:
Instrs: 264071212 -> 264066944 (-0.00%); split: -0.00%, +0.00%
Cycle count: 26552458051 -> 26553286277 (+0.00%); split: -0.00%, +0.01%
Spill count: 530380 -> 530084 (-0.06%)
Fill count: 613416 -> 612900 (-0.08%)
Scratch Memory Size: 20089856 -> 20075520 (-0.07%)
Max live registers: 46558852 -> 46558811 (-0.00%); split: -0.00%, +0.00%
Max dispatch width: 8034616 -> 8034584 (-0.00%)

Totals from 6653 (0.73% of 905545) affected shaders:
Instrs: 5750844 -> 5746576 (-0.07%); split: -0.08%, +0.00%
Cycle count: 416414845 -> 417243071 (+0.20%); split: -0.20%, +0.40%
Spill count: 1953 -> 1657 (-15.16%)
Fill count: 3556 -> 3040 (-14.51%)
Scratch Memory Size: 92160 -> 77824 (-15.56%)
Max live registers: 566003 -> 565962 (-0.01%); split: -0.01%, +0.00%
Max dispatch width: 55768 -> 55736 (-0.06%)

No shader-db or fossil-db changes on any previous Intel platforms.

Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37186>
2025-10-10 17:25:11 +00:00
..
clc clc: Fix createDiagnostics for LLVM-22 2025-10-03 18:44:30 +00:00
glsl glsl: use array element type to validate assignment 2025-10-10 09:19:55 +00:00
isaspec meson: do not compile libisaspec unless used 2025-03-25 08:32:47 +00:00
libcl libcl: avoid calling UNREACHABLE(str) macro without arguments 2025-08-04 23:15:18 +02:00
nir nir/algebraic: Optimize bfi with odd-valued mask to bitfield_select 2025-10-10 17:25:11 +00:00
rust nak: Move dataflow to compiler crate 2025-09-13 07:30:50 +00:00
spirv vtn_bindgen2: use anonymous namespace to avoid name collisions 2025-10-09 19:18:58 +00:00
builtin_types.py compiler: add float8 glsl types 2025-06-23 07:59:24 +00:00
builtin_types_c.py util,vulkan,mesa,compiler: Generate source files with utf8 encoding from mako template 2023-12-07 12:41:07 +00:00
builtin_types_h.py compiler: Generate files with newline at end 2025-06-24 14:01:04 +00:00
glsl_types.c glsl: handle PerPrimitiveEXT qualifier 2025-09-22 02:19:37 +00:00
glsl_types.h glsl: handle PerPrimitiveEXT qualifier 2025-09-22 02:19:37 +00:00
list.h nir: remove unused stuff from list.h 2025-07-31 20:23:04 +00:00
meson.build nir: move list.h outside the glsl directory 2025-07-31 20:23:02 +00:00
shader_enums.c compiler: auto-stage file ext for SPIR-V capture 2025-09-22 19:06:07 +00:00
shader_enums.h compiler: add an access flag for intel EU fusion 2025-10-10 11:19:39 +00:00
shader_info.h nir,vtn: add shader_info::assume_no_data_races 2025-10-07 17:41:30 +00:00