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21.6% regression in page_cycler_v2.typical_25 at 461988:462036 |
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Issue descriptionSee the link to graphs below.
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Apr 10 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982662430317777312
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Apr 11 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : alancutter Commit : 317a8e0e26459f401312043fa99ed8e17b1b24a4 Date : Wed Apr 05 10:09:29 2017 Subject: Notify Blink to suppress frame requests during BeginMainFrame Bisect Details Configuration: mac_retina_perf_bisect Benchmark : page_cycler_v2.typical_25 Metric : timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.ign.com_ Change : 17.73% | 245.302333333 -> 288.786166667 Revision Result N chromium@461987 245.302 +- 10.2957 6 good chromium@462012 243.991 +- 6.90167 6 good chromium@462018 245.743 +- 2.99047 6 good chromium@462021 245.886 +- 7.91598 9 good chromium@462022 293.988 +- 55.1509 9 bad <-- chromium@462023 288.847 +- 71.1292 14 bad chromium@462024 295.222 +- 9.84482 9 bad chromium@462036 288.786 +- 44.0046 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.ign.com. page_cycler_v2.typical_25 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8982662430317777312 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5242102079815680 | 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 Speed>Bisection. Thank you! |
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Comment 1 by m...@chromium.org
, Apr 10 2017