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19%-47.4% regression in v8.runtimestats.browsing_mobile_classic at 473831:473914 |
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Issue descriptionSee the link to graphs below.
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Jun 14 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976807566180685904
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Jun 15 2017
Assigning to performance sheriff.
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Jun 16 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976623073486141760
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Jun 18 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : Mythri Commit : c4b187baa608b68be91c193c4dc166d65b5e4943 Date : Tue May 23 09:25:46 2017 Subject: [Turbofan] Increase max_inlined_nodes to 230. Bisect Details Configuration: android_webview_arm64_aosp_perf_bisect Benchmark : v8.runtimestats.browsing_mobile_classic Metric : Optimize:duration_avg/browse_media/browse_media_facebook_photos Change : 39.71% | 322.987 -> 451.248333333 Revision Result N chromium@473878 322.987 +- 35.8924 6 good chromium@473878,v8@e1b4b405b1 311.088 +- 22.6319 6 good chromium@473878,v8@c4b187baa6 490.037 +- 100.344 6 bad <-- chromium@473879 466.717 +- 50.1992 6 bad chromium@473880 471.631 +- 39.1754 6 bad chromium@473881 454.109 +- 46.7469 6 bad chromium@473883 458.358 +- 55.8669 6 bad chromium@473887 450.055 +- 37.8327 6 bad chromium@473896 475.378 +- 47.882 6 bad chromium@473914 451.248 +- 33.9469 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.media.facebook.photos v8.runtimestats.browsing_mobile_classic Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8976623073486141760 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5886646320365568 | 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 tebbi@chromium.org
, Jun 14 2017