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14.1% regression in blink_perf.layout at 421602:421670 |
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Issue descriptionSee the link to graphs below.
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Sep 30 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9000093785858472288
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Oct 1 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Add histograms for parseAuthorStyleSheet and updateStyle Author : csharrison Commit description: BUG= 642722 Review-Url: https://codereview.chromium.org/2344633005 Cr-Commit-Position: refs/heads/master@{#421659} Commit : 78f6cc334b7c0231a6a9a6fe6de9f7183c5796ce Date : Wed Sep 28 22:22:09 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@421601 21141.2 74.0333 5 good chromium@421636 21293.7 86.6039 4 good chromium@421653 20771.3 68.5217 5 good chromium@421658 20676.9 115.834 5 good chromium@421659 17821.4 168.569 5 bad <-- chromium@421660 17824.9 124.705 5 bad chromium@421662 17969.7 130.961 5 bad chromium@421670 18017.7 93.4725 5 bad Bisect job ran on: android_s5_perf_bisect Bug ID: 651806 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests blink_perf.layout Test Metric: SimpleTextPathLineLayout/SimpleTextPathLineLayout Relative Change: 14.77% Score: 99.9 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/1046 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000093785858472288 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=4773361232642048 | 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 pmeenan@chromium.org
, Sep 30 2016