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29.9% regression in page_cycler_v2.typical_25 at 456448:456561 |
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Issue descriptionSee the link to graphs below.
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Mar 27 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8983991588358313792
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Mar 27 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: win_perf_bisect Benchmark : page_cycler_v2.typical_25 Metric : timeToFirstContentfulPaint_avg/pcv1-cold/http___www.ticketmaster.com_JAY-Z-and-Justin-Timberlake-tickets_artist_1837448?brand_none_tm_link_tm_homeA_rc_name2 Revision Result N chromium@456447 1287.94 +- 3296.69 21 good chromium@456561 1172.46 +- 868.161 21 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.ticketmaster.com.JAY.Z.and.Justin.Timberlake.tickets.artist.1837448.brand.none.tm.link.tm.homeA.rc.name2 page_cycler_v2.typical_25 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8983991588358313792 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5231936114524160 | 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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Mar 27 2017
it seems to be back to the previous level at r459693. So this could be due to noise.
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Apr 11 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982651575034282112
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Apr 11 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: win_perf_bisect Benchmark : page_cycler_v2.typical_25 Metric : timeToFirstContentfulPaint_avg/pcv1-cold/http___www.ticketmaster.com_JAY-Z-and-Justin-Timberlake-tickets_artist_1837448?brand_none_tm_link_tm_homeA_rc_name2 Revision Result N chromium@456447 1172.98 +- 819.557 21 good chromium@456561 1108.24 +- 594.843 21 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.ticketmaster.com.JAY.Z.and.Justin.Timberlake.tickets.artist.1837448.brand.none.tm.link.tm.homeA.rc.name2 page_cycler_v2.typical_25 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8982651575034282112 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5231936114524160 | 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 toyoshim@chromium.org
, Mar 27 2017