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12% improvement in v8.runtimestats.browsing_desktop_classic at 463546:463938 |
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Issue descriptionSee the link to graphs below.
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Apr 20 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8981786604328441088
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Apr 20 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : delphick Commit : d8ade60fbe0ea954ecd5f186c36e6d0ac045c28c Date : Tue Apr 11 09:56:28 2017 Subject: No longer clamp setTimeout(..., 0) to 1ms. Bisect Details Configuration: mac_10_12_perf_bisect Benchmark : v8.runtimestats.browsing_desktop_classic Metric : IC:duration_avg/browse_news/browse_news_flipboard Change : 12.60% | 280.128 -> 244.818666667 Revision Result N chromium@463545 280.128 +- 28.7416 6 good chromium@463570 282.254 +- 37.9132 6 good chromium@463583 277.235 +- 19.9926 6 good chromium@463589 280.393 +- 33.761 6 good chromium@463590 290.113 +- 51.9575 6 good chromium@463591 247.462 +- 5.63155 6 bad <-- chromium@463592 251.917 +- 12.5341 6 bad chromium@463595 246.6 +- 13.2339 6 bad chromium@463644 246.476 +- 12.4686 6 bad chromium@463742 249.8 +- 14.8931 6 bad chromium@463938 244.819 +- 10.4997 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=browse.news.flipboard v8.runtimestats.browsing_desktop_classic Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8981786604328441088 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5794526477680640 | 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 samans@chromium.org
, Apr 20 2017