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If the 2nd and 3rd source are both Boolean values, we can potentially avoid a resolve by only resolving the result of the b32csel. No changes on any Gen6+ Intel platform. v2: Use ?: instead of cast from bool to unsigned. Suggested by Caio. Iron Lake total instructions in shared programs: 8142729 -> 8142677 (<.01%) instructions in affected programs: 12890 -> 12838 (-0.40%) helped: 26 HURT: 0 helped stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2 helped stats (rel) min: 0.25% max: 0.74% x̄: 0.45% x̃: 0.38% 95% mean confidence interval for instructions value: -2.00 -2.00 95% mean confidence interval for instructions %-change: -0.52% -0.39% Instructions are helped. total cycles in shared programs: 188549632 -> 188549394 (<.01%) cycles in affected programs: 60754 -> 60516 (-0.39%) helped: 25 HURT: 1 helped stats (abs) min: 2 max: 26 x̄: 9.92 x̃: 8 helped stats (rel) min: 0.07% max: 2.23% x̄: 0.59% x̃: 0.27% HURT stats (abs) min: 10 max: 10 x̄: 10.00 x̃: 10 HURT stats (rel) min: 0.70% max: 0.70% x̄: 0.70% x̃: 0.70% 95% mean confidence interval for cycles value: -12.91 -5.40 95% mean confidence interval for cycles %-change: -0.84% -0.23% Cycles are helped. GM45 total instructions in shared programs: 5013119 -> 5013093 (<.01%) instructions in affected programs: 6764 -> 6738 (-0.38%) helped: 13 HURT: 0 helped stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2 helped stats (rel) min: 0.24% max: 0.68% x̄: 0.43% x̃: 0.36% 95% mean confidence interval for instructions value: -2.00 -2.00 95% mean confidence interval for instructions %-change: -0.52% -0.34% Instructions are helped. total cycles in shared programs: 128977804 -> 128977700 (<.01%) cycles in affected programs: 37738 -> 37634 (-0.28%) helped: 13 HURT: 0 helped stats (abs) min: 8 max: 8 x̄: 8.00 x̃: 8 helped stats (rel) min: 0.18% max: 0.46% x̄: 0.30% x̃: 0.26% 95% mean confidence interval for cycles value: -8.00 -8.00 95% mean confidence interval for cycles %-change: -0.36% -0.24% Cycles are helped. Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com> Reviewed-by: Matt Turner <mattst88@gmail.com> |
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| blorp | ||
| common | ||
| compiler | ||
| dev | ||
| genxml | ||
| isl | ||
| perf | ||
| tools | ||
| vulkan | ||
| Android.blorp.mk | ||
| Android.common.mk | ||
| Android.compiler.mk | ||
| Android.dev.mk | ||
| Android.genxml.mk | ||
| Android.isl.mk | ||
| Android.mk | ||
| Android.perf.mk | ||
| Android.vulkan.mk | ||
| Makefile.perf.am | ||
| Makefile.sources | ||
| meson.build | ||