fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 13:58:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

nir/opt_algebraic: optimize pack_half_2x16_rtz of float converted from 16bit

Browse source 
Foz-DB Navi48:
Totals from 177 (0.21% of 82405) affected shaders:
Instrs: 326628 -> 325955 (-0.21%); split: -0.21%, +0.00%
CodeSize: 1726720 -> 1722500 (-0.24%); split: -0.24%, +0.00%
Latency: 5076631 -> 5075700 (-0.02%); split: -0.02%, +0.00%
InvThroughput: 596010 -> 595598 (-0.07%); split: -0.07%, +0.00%
VClause: 3613 -> 3616 (+0.08%)
Copies: 24427 -> 24501 (+0.30%); split: -0.06%, +0.36%
VALU: 182468 -> 182029 (-0.24%); split: -0.24%, +0.00%
SALU: 55449 -> 55452 (+0.01%); split: -0.01%, +0.01%

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39531>
This commit is contained in:
Georg Lehmann 2026-01-26 14:24:45 +01:00 • committed by Marge Bot
parent 85978ccd28
commit 70f0e75262
1 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
src/compiler/nir/nir_opt_algebraic.py
View file

@ -3134,6 +3134,9 @@ optimizations += [
(('pack_half_2x16_rtz_split', ('b2f', 'a@1'), ('b2f', a)), ('bcsel', a, 0x3c003c00, 0)),
(('pack_half_2x16_rtz_split', ('f2f32', 'a@16'), b), ('pack_32_2x16', ('vec2', ('fcanonicalize', a), ('f2f16_rtz', b)))),
(('pack_half_2x16_rtz_split', a, ('f2f32', 'b@16')), ('pack_32_2x16', ('vec2', ('f2f16_rtz', a), ('fcanonicalize', b)))),
(('pack_32_2x16_split', 'a(is_undef)', ('bcsel', b, '#c', d)),
('bcsel', b, ('pack_32_2x16_split', 0, c), ('pack_32_2x16_split', a, d)),
'true', TestStatus.UNSUPPORTED),