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7.8%-153.4% regression in loading.desktop at 477351:477562 |
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Issue descriptionSee the link to graphs below.
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Jun 9 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8977297654554731408
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Jun 9 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : mek Commit : c8e2b27f71c6792fa1072fa98a22c111ad229090 Date : Tue Jun 06 23:18:28 2017 Subject: Switch to mojo localstorage backend by default. Bisect Details Configuration: mac_10_12_perf_bisect Benchmark : loading.desktop Metric : timeToFirstMeaningfulPaint_avg/pcv1-cold/NatGeo Change : 98.44% | 140.558666669 -> 278.920166669 Revision Result N chromium@477350 140.559 +- 21.4187 6 good chromium@477424 140.778 +- 13.0024 6 good chromium@477443 146.892 +- 15.2706 6 good chromium@477452 142.564 +- 8.93912 6 good chromium@477457 145.963 +- 12.2071 6 good chromium@477458 288.993 +- 40.0403 6 bad <-- chromium@477459 278.819 +- 41.3961 6 bad chromium@477461 284.179 +- 37.6959 6 bad chromium@477498 278.92 +- 34.2157 6 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=NatGeo loading.desktop Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8977297654554731408 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=4939078119718912 | 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 kouhei@chromium.org
, Jun 9 2017