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41.5% improvement in v8.runtimestats.browsing_mobile at 470457:470497 |
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Issue descriptionSee the link to graphs below.
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May 15 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8979537284917202256
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May 16 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : yhirano Commit : 91088a195969f5af61f404c9f02edc622cbe373a Date : Wed May 10 05:49:31 2017 Subject: Add Field Trial Testing Configuration for MojoLoading Bisect Details Configuration: android_webview_nexus6_aosp_perf_bisect Benchmark : v8.runtimestats.browsing_mobile Metric : Parse-Background:duration_avg/browse_news/browse_news_cnn Change : 39.09% | 3072.77766667 -> 1871.728 Revision Result N chromium@470456 3072.78 +- 995.947 6 good chromium@470477 3083.28 +- 825.952 6 good chromium@470487 3022.09 +- 705.968 6 good chromium@470489 3379.9 +- 816.174 6 good chromium@470490 1907.21 +- 440.848 6 bad <-- chromium@470492 1945.97 +- 637.414 6 bad chromium@470497 1871.73 +- 194.877 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 --story-filter=browse.news.cnn v8.runtimestats.browsing_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8979537284917202256 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5837557369143296 | 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 yhirano@chromium.org
, May 15 2017