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14.5% regression in blink_perf.css at 456306:456326 |
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Issue descriptionSee the link to graphs below.
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Mar 15 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985039055982542800
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Mar 15 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : meade Commit : 3a001533b29c0fe28f2354285b2c2ac8d57d8ce6 Date : Mon Mar 13 05:26:20 2017 Subject: Un-DCHECK-guard ThreadRestrictionVerifier for strings. Bisect Details Configuration: winx64intel_perf_bisect Benchmark : blink_perf.css Metric : CSSPropertySetterGetterMethods/CSSPropertySetterGetterMethods Change : 18.44% | 8332.11515029 -> 6795.91023186 Revision Result N chromium@456305 8332.12 +- 279.121 6 good chromium@456316 8502.06 +- 173.094 6 good chromium@456321 8245.53 +- 326.285 6 good chromium@456322 8450.23 +- 111.723 6 good chromium@456323 6941.92 +- 118.591 6 bad <-- chromium@456324 6899.53 +- 217.524 6 bad chromium@456326 6795.91 +- 240.808 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.css Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8985039055982542800 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=4932256533053440 | 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 nzolghadr@chromium.org
, Mar 15 2017