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

nir: add another common ffract -> ffloor pattern

Browse Source 
shader-db results (BDW):

total instructions in shared programs: 17527053 -> 17526931 (<.01%)
instructions in affected programs: 5116 -> 4994 (-2.38%)
helped: 25
HURT: 0
helped stats (abs) min: 2 max: 15 x̄: 4.88 x̃: 3
helped stats (rel) min: 0.25% max: 5.34% x̄: 3.39% x̃: 3.90%
95% mean confidence interval for instructions value: -6.19 -3.57
95% mean confidence interval for instructions %-change: -3.98% -2.81%
Instructions are helped.

total cycles in shared programs: 856680230 -> 856682009 (<.01%)
cycles in affected programs: 6583780 -> 6585559 (0.03%)
helped: 117
HURT: 77
helped stats (abs) min: 1 max: 854 x̄: 68.56 x̃: 16
helped stats (rel) min: <.01% max: 35.34% x̄: 2.12% x̃: 0.76%
HURT stats (abs)   min: 1 max: 2188 x̄: 127.27 x̃: 18
HURT stats (rel)   min: 0.01% max: 22.66% x̄: 1.86% x̃: 0.67%
95% mean confidence interval for cycles value: -30.07 48.41
95% mean confidence interval for cycles %-change: -1.28% 0.19%
Inconclusive result (value mean confidence interval includes 0).

LOST:   3
GAINED: 1

Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19666>
This commit is contained in:
Timothy Arceri
2022-11-10 22:13:46 +11:00
parent 11b2a063bf
commit 63c4849e8b
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/compiler/nir/nir_opt_algebraic.py
+3
View File
@@ -376,6 +376,9 @@ optimizations.extend([
(('ffloor@16', a), ('fsub', a, ('ffract', a)), 'options->lower_ffloor'),
(('ffloor@32', a), ('fsub', a, ('ffract', a)), 'options->lower_ffloor'),
(('ffloor@64', a), ('fsub', a, ('ffract', a)), '(options->lower_ffloor || (options->lower_doubles_options & nir_lower_dfloor)) && !(options->lower_doubles_options & nir_lower_dfract)'),
(('fadd@16', a, ('fadd@16', b, ('fneg', ('ffract', a)))), ('fadd@16', b, ('ffloor', a)), '!options->lower_ffloor'),
(('fadd@32', a, ('fadd@32', b, ('fneg', ('ffract', a)))), ('fadd@32', b, ('ffloor', a)), '!options->lower_ffloor'),
(('fadd@64', a, ('fadd@64', b, ('fneg', ('ffract', a)))), ('fadd@64', b, ('ffloor', a)), '!options->lower_ffloor && !(options->lower_doubles_options & nir_lower_dfloor)'),
(('fadd@16', a, ('fneg', ('ffract', a))), ('ffloor', a), '!options->lower_ffloor'),
(('fadd@32', a, ('fneg', ('ffract', a))), ('ffloor', a), '!options->lower_ffloor'),
(('fadd@64', a, ('fneg', ('ffract', a))), ('ffloor', a), '!options->lower_ffloor && !(options->lower_doubles_options & nir_lower_dfloor)'),