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96% regression in v8.runtimestats.browsing_mobile at 468327:469203 |
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Issue descriptionSee the link to graphs below.
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May 5 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980400788205855760
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May 6 2017
=== BISECT JOB RESULTS === Bisect was unable to run to completion Please try rerunning the bisect. If failures persist contact the team (see below) and report the error. Bisect Details Configuration: android_nexus5_perf_bisect Benchmark : v8.runtimestats.browsing_mobile Metric : v8-gc-incremental-finalize_sum/browse_chrome/browse_chrome_newtab Revision Result N chromium@468326 6.5392 +- 1.22067 10 good chromium@469203 12.6784 +- 3.21838 14 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.chrome.newtab v8.runtimestats.browsing_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8980400788205855760 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5037893044666368 | 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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May 6 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980303582349276720
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May 7 2017
=== BISECT JOB RESULTS === Bisect was unable to run to completion Please try rerunning the bisect. If failures persist contact the team (see below) and report the error. Bisect Details Configuration: android_nexus5_perf_bisect Benchmark : v8.runtimestats.browsing_mobile Metric : v8-gc-incremental-finalize_sum/browse_chrome/browse_chrome_newtab Revision Result N chromium@468326 6.53479 +- 0.953296 14 good chromium@469203 13.0504 +- 3.1738 14 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.chrome.newtab v8.runtimestats.browsing_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8980303582349276720 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5037893044666368 | 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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May 12 2017
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May 22 2017
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May 22 2017
tebbi@, this issue is about regression v8-gc-incremental-finalize_sum metric. Are you sure that Issue 718803 is a dupe of this issue?
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May 22 2017
I am not sure, I already undid the merge.
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May 22 2017
thanks for the unmerge :)
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Jul 17 2017
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Jul 24 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973172670654543488
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Jul 24 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: android_nexus5X_perf_bisect Benchmark : v8.runtimestats.browsing_mobile Metric : Total:duration_avg/browse_news/browse_news_cnn Revision Result N chromium@468624 108858 +- 15581.9 21 good chromium@469150 109576 +- 13585.0 21 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.news.cnn v8.runtimestats.browsing_mobile More information on addressing performance regressions: http://g.co/ChromePerformanceRegressions Debug information about this bisect: https://chromeperf.appspot.com/buildbucket_job_status/8973172670654543488 For feedback, file a bug with component Speed>Bisection
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Jul 25 2017
Closing because bisect bot cannot reproduce the regression.
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Jul 25 2017
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Comment 1 by ulan@google.com
, May 5 2017