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17.9% regression in smoothness.tough_webgl_cases at 405136:405215 |
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Issue descriptionSee the link to graphs below.
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Jul 18 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9006765197909402416
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Jul 19 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Disable Full-WPO for the x64 official build (non-PGO). Author : sebmarchand Commit description: Disable Full-WPO for the x64 official builds (this doesn't affect the PGO builds). This should help me to get an official "non-PGO & non-WPO" build that I can compare against an official PGO build. Also I'm not sure if it's worth keeping WPO turned on for the official builds at the moment ? We don't ship these builds (we ship the PGO ones) and so this only slowdown the builders that build an official x64 build for testing purposes (especially considering that they need to link all the unittests with Full-WPO) BUG= 490934 , 617982 Review-Url: https://codereview.chromium.org/2142603002 Cr-Commit-Position: refs/heads/master@{#405164} Commit : 0d74d7f71c93bfc3b32653de7958ff84d173937d Date : Wed Jul 13 15:42:28 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@405135 52.1566 1.11243 5 good chromium@405151 51.4716 1.50654 5 good chromium@405161 51.7281 1.01348 5 good chromium@405163 51.8288 0.712 5 good chromium@405164 61.2459 1.78722 5 bad <-- chromium@405166 62.0123 0.785514 5 bad chromium@405171 60.3612 0.444594 5 bad chromium@405215 60.089 0.424623 5 bad Bisect job ran on: winx64intel_perf_bisect Bug ID: 629220 Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.tough_webgl_cases Test Metric: frame_times/http___kenrussell.github.io_webgl-animometer_Animometer_tests_3d_webgl.html Relative Change: 15.21% Score: 99.9 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64intel_perf_bisect/builds/1029 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9006765197909402416 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5810526857199616 | O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq | X | for more information addressing perf regression bugs. For feedback, | / \ | file a bug with component Tests>AutoBisect. Thank you! |
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Comment 1 by m...@chromium.org
, Jul 18 2016