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13.9% regression in blink_perf.bindings at 448604:448621 |
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Issue descriptionSee the link to graphs below.
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Feb 9 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8988180293812776192
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Feb 9 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : jgruber Commit : 7d15175a0f59dfc15cf811a45e358dd4cc9b36e9 Date : Tue Feb 07 10:07:57 2017 Subject: Revert of [regexp] Add stub for RegExpExec instead of inlining (patchset #1 id:1 of https://codereview.chromium.org/2677073004/ ) Bisect Details Configuration: android_webview_nexus6_aosp_perf_bisect Benchmark : blink_perf.bindings Metric : first-child/first-child Change : 15.55% | 231.881259152 -> 195.834680335 Revision Result N chromium@448603 231.881 +- 1.04437 6 good chromium@448612 231.56 +- 0.885046 6 good chromium@448617 231.757 +- 1.37641 6 good chromium@448619 230.673 +- 1.90236 6 good chromium@448619,v8@f4739ea863 231.674 +- 1.07335 6 good chromium@448619,v8@7d15175a0f 189.455 +- 1.32519 6 bad <-- chromium@448619,v8@009e8b11e2 189.569 +- 0.431217 6 bad chromium@448620 189.512 +- 0.497854 5 bad chromium@448621 195.835 +- 35.0179 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.bindings Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8988180293812776192 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6452744958771200 | 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 briander...@chromium.org
, Feb 9 2017