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10.6%-247.5% regression in v8.browsing_mobile_ignition at 420147:420202 |
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Issue descriptionSee the link to graphs below.
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Sep 27 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9000367315018485648
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Sep 28 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : [heap] Always use the passed-in collector in CollectGarbage. Author : hpayer Commit description: Do not overwrite a collector decision. BUG= Review-Url: https://codereview.chromium.org/2336943003 Cr-Commit-Position: refs/heads/master@{#39585} Commit : c19abaddafb5ede5e0d5efbe608b7fc5d7c7fcd0 Date : Wed Sep 21 09:57:08 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@420146 232.887 57.0132 5 good chromium@420150 285.888 69.7671 5 good chromium@420151 272.291 24.2805 5 good chromium@420151,v8@06c6591d0f 244.253 59.0171 5 good chromium@420151,v8@c19abaddaf 880.338 136.183 5 bad <-- chromium@420151,v8@2fd6d6093e 850.725 73.8996 5 bad chromium@420152 923.712 137.055 5 bad chromium@420153 842.8 97.6964 5 bad chromium@420160 820.602 89.5445 5 bad chromium@420174 804.329 148.415 5 bad chromium@420202 794.835 46.5642 5 bad Bisect job ran on: android_one_perf_bisect Bug ID: 650621 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_mobile_ignition Test Metric: v8-gc-latency-mark-compactor_sum/v8-gc-latency-mark-compactor_sum Relative Change: 241.30% Score: 99.9 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_one_perf_bisect/builds/1653 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000367315018485648 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=6468150227369984 | 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 Tests>AutoBisect. Thank you! |
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Comment 1 by hpayer@chromium.org
, Sep 27 2016