Build mesa 10582 failed
Commit 7832fb7889 by Ian Romanick on 5/23/2018 1:56 AM:
intel/compiler: Use partial redundancy elimination for compares\n\nAlmost all of the hurt shaders are repeated instances of the same shader\nin synmark's compilation speed tests.\n\nshader-db results:\n\nAll Gen6+ platforms had similar results. (Skylake shown)\ntotal instructions in shared programs: 15256840 -> 15256389 (<.01%)\ninstructions in affected programs: 54137 -> 53686 (-0.83%)\nhelped: 288\nHURT: 0\nhelped stats (abs) min: 1 max: 15 x̄: 1.57 x̃: 1\nhelped stats (rel) min: 0.06% max: 26.67% x̄: 1.99% x̃: 0.74%\n95% mean confidence interval for instructions value: -1.76 -1.38\n95% mean confidence interval for instructions %-change: -2.47% -1.50%\nInstructions are helped.\n\ntotal cycles in shared programs: 372286583 -> 372283851 (<.01%)\ncycles in affected programs: 833829 -> 831097 (-0.33%)\nhelped: 265\nHURT: 16\nhelped stats (abs) min: 2 max: 74 x̄: 11.81 x̃: 4\nhelped stats (rel) min: 0.04% max: 9.07% x̄: 0.99% x̃: 0.35%\nHURT stats (abs) min: 2 max: 130 x̄: 24.88 x̃: 8\nHURT stats (rel) min: <.01% max: 12.31% x̄: 1.44% x̃: 0.27%\n95% mean confidence interval for cycles value: -12.30 -7.15\n95% mean confidence interval for cycles %-change: -1.06% -0.64%\nCycles are helped.\n\nIron Lake and GM45 had similar results. (GM45 shown)\ntotal instructions in shared programs: 5038653 -> 5038495 (<.01%)\ninstructions in affected programs: 13939 -> 13781 (-1.13%)\nhelped: 50\nHURT: 1\nhelped stats (abs) min: 1 max: 15 x̄: 3.18 x̃: 4\nhelped stats (rel) min: 0.33% max: 13.33% x̄: 2.24% x̃: 1.09%\nHURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1\nHURT stats (rel) min: 0.83% max: 0.83% x̄: 0.83% x̃: 0.83%\n95% mean confidence interval for instructions value: -3.73 -2.47\n95% mean confidence interval for instructions %-change: -3.16% -1.21%\nInstructions are helped.\n\ntotal cycles in shared programs: 128118922 -> 128118228 (<.01%)\ncycles in affected programs: 134906 -> 134212 (-0.51%)\nhelped: 50\nHURT: 0\nhelped stats (abs) min: 2 max: 60 x̄: 13.88 x̃: 18\nhelped stats (rel) min: 0.06% max: 3.19% x̄: 0.74% x̃: 0.70%\n95% mean confidence interval for cycles value: -16.54 -11.22\n95% mean confidence interval for cycles %-change: -0.95% -0.53%\nCycles are helped.\n\nReviewed-by: Kenneth Graunke <kenn...@whitecape.org>
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