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| author | Ian Romanick <[email protected]> | 2019-03-06 14:07:18 -0800 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2019-05-14 11:38:22 -0700 |
| commit | 281f20e26d840939133209e9f1fc91270b55574e (patch) | |
| tree | 5a75e8d5349249730324afb584d83e27432c37ba /src/compiler/nir/nir_search_helpers.h | |
| parent | 45c7ff95fc7de2dd631aa79093f92de3d19e4e26 (diff) | |
nir/algebraic: Strip double negatives from comparison sources
All Intel platforms had similar results. (Ice Lake shown)
total instructions in shared programs: 17224623 -> 17224337 (<.01%)
instructions in affected programs: 32648 -> 32362 (-0.88%)
helped: 148
HURT: 0
helped stats (abs) min: 1 max: 2 x̄: 1.93 x̃: 2
helped stats (rel) min: 0.16% max: 2.74% x̄: 1.07% x̃: 1.08%
95% mean confidence interval for instructions value: -1.97 -1.89
95% mean confidence interval for instructions %-change: -1.15% -1.00%
Instructions are helped.
total cycles in shared programs: 360828714 -> 360826090 (<.01%)
cycles in affected programs: 347416 -> 344792 (-0.76%)
helped: 148
HURT: 26
helped stats (abs) min: 1 max: 426 x̄: 26.33 x̃: 18
helped stats (rel) min: 0.03% max: 15.10% x̄: 1.78% x̃: 1.41%
HURT stats (abs) min: 2 max: 337 x̄: 48.96 x̃: 6
HURT stats (rel) min: 0.04% max: 18.82% x̄: 2.15% x̃: 0.27%
95% mean confidence interval for cycles value: -23.78 -6.38
95% mean confidence interval for cycles %-change: -1.59% -0.79%
Cycles are helped.
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Thomas Helland <[email protected]>
Diffstat (limited to 'src/compiler/nir/nir_search_helpers.h')
0 files changed, 0 insertions, 0 deletions