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21.5% regression in v8.browsing_desktop_ignition at 418071:418167 |
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Issue descriptionSee the link to graphs below.
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Sep 27 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9000367441091515840
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Sep 27 2016
===== BISECT JOB RESULTS ===== Status: completed === Bisection aborted === The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression. Please contact the the team (see below) if you believe this is in error. === Warnings === The following warnings were raised by the bisect job: * Bisect failed to reproduce the regression with enough confidence. ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@418070 13.0725 0.65044 18 good chromium@418167 13.4225 0.572147 18 bad Bisect job ran on: winx64_zen_perf_bisect Bug ID: 650613 Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop_ignition Test Metric: v8-gc-latency-mark-compactor_avg/v8-gc-latency-mark-compactor_avg Relative Change: 4.81% Score: 0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/496 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000367441091515840 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5814812955639808 | 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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Oct 5 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999658128371739808
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Oct 5 2016
===== BISECT JOB RESULTS ===== Status: completed === Bisection aborted === The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression. Please contact the the team (see below) if you believe this is in error. === Warnings === The following warnings were raised by the bisect job: * Bisect failed to reproduce the regression with enough confidence. ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@418000 12.9366 0.486993 18 good chromium@418200 12.9526 0.511972 18 bad Bisect job ran on: winx64_zen_perf_bisect Bug ID: 650613 Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop_ignition Test Metric: v8-gc-latency-mark-compactor_avg/v8-gc-latency-mark-compactor_avg Relative Change: 0.96% Score: 0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/526 Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999658128371739808 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=6178159773351936 | 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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Oct 11 2016
Black allocation got disabled. |
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Comment 1 by hpayer@chromium.org
, Sep 27 2016