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10.5%-26.7% regression in blink_perf.css at 477288:477510 |
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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/8977268074330686000
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Jun 9 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : Fernando Serboncini Commit : 2e48d743c9c647a66409c98ba96cbe80fd70774b Date : Tue Jun 06 19:49:57 2017 Subject: Remove CSSTextCache from CSSPrimitiveValue Bisect Details Configuration: android_nexus7_perf_bisect Benchmark : blink_perf.css Metric : CSSPropertySetterGetter/CSSPropertySetterGetter Change : 5.55% | 375.085022385 -> 354.276621759 Revision Result N chromium@477371 375.085 +- 7.7719 6 good chromium@477376 368.327 +- 7.1062 6 good chromium@477378 364.723 +- 13.5513 6 good chromium@477379 368.376 +- 8.8104 6 good chromium@477380 350.544 +- 8.63941 6 bad <-- chromium@477389 349.952 +- 10.7031 6 bad chromium@477406 346.245 +- 5.28174 6 bad chromium@477441 341.947 +- 7.22307 6 bad chromium@477510 354.277 +- 10.6359 6 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 blink_perf.css Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8977268074330686000 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6722760958541824 | 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 primiano@chromium.org
, Jun 9 2017