diff options
| author | Ian Romanick <[email protected]> | 2018-08-18 17:11:12 -0700 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2019-05-06 22:52:29 -0700 |
| commit | c866500525c9717e31c39074d3e3a4db3d51ec69 (patch) | |
| tree | c3d12cc63058631929acf08bdaabd3ccb2aba9bc /src | |
| parent | ab86926156053cbc78a2be995db6b1f01c44c6c0 (diff) | |
intel/compiler: Don't always require precise lowering of flrp
No changes on any other Intel platforms.
Iron Lake and GM45 had similar results. (Iron Lake shown)
total instructions in shared programs: 8164367 -> 8135551 (-0.35%)
instructions in affected programs: 3271235 -> 3242419 (-0.88%)
helped: 13636
HURT: 90
helped stats (abs) min: 1 max: 30 x̄: 2.13 x̃: 1
helped stats (rel) min: 0.04% max: 10.77% x̄: 1.16% x̃: 0.97%
HURT stats (abs) min: 1 max: 4 x̄: 1.80 x̃: 2
HURT stats (rel) min: 0.26% max: 11.11% x̄: 1.76% x̃: 0.78%
95% mean confidence interval for instructions value: -2.13 -2.07
95% mean confidence interval for instructions %-change: -1.16% -1.13%
Instructions are helped.
total cycles in shared programs: 188719974 -> 188586222 (-0.07%)
cycles in affected programs: 70415766 -> 70282014 (-0.19%)
helped: 12563
HURT: 515
helped stats (abs) min: 2 max: 600 x̄: 10.90 x̃: 6
helped stats (rel) min: <.01% max: 5.48% x̄: 0.48% x̃: 0.27%
HURT stats (abs) min: 2 max: 54 x̄: 6.07 x̃: 4
HURT stats (rel) min: 0.01% max: 4.48% x̄: 0.24% x̃: 0.08%
95% mean confidence interval for cycles value: -10.56 -9.90
95% mean confidence interval for cycles %-change: -0.47% -0.45%
Cycles are helped.
LOST: 0
GAINED: 13
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/intel/compiler/brw_nir.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c index 7e6f9d2d436..e1f5b28d874 100644 --- a/src/intel/compiler/brw_nir.c +++ b/src/intel/compiler/brw_nir.c @@ -610,7 +610,7 @@ brw_nir_optimize(nir_shader *nir, const struct brw_compiler *compiler, */ if (OPT(nir_lower_flrp, lower_flrp, - is_scalar /* always_precise */, + false /* always_precise */, compiler->devinfo->gen >= 6)) { OPT(nir_opt_constant_folding); } |