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43.5% improvement in page_cycler_v2.top_10_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/8979537355245165520
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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 : page_cycler_v2.top_10_mobile Metric : timeToFirstContentfulPaint_avg/pcv1-cold/http___www.baidu.com_s?word_google Change : 51.45% | 454.607166667 -> 220.718333333 Revision Result N chromium@470456 454.607 +- 111.449 6 good chromium@470477 424.553 +- 30.3859 6 good chromium@470487 429.011 +- 31.2368 6 good chromium@470489 427.383 +- 53.5418 6 good chromium@470490 220.565 +- 5.28217 5 bad <-- chromium@470492 216.325 +- 17.4599 6 bad chromium@470497 220.718 +- 14.8119 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=http...www.baidu.com.s.word.google page_cycler_v2.top_10_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8979537355245165520 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5504392192589824 | 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