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7.7%-148.4% regression in loading.desktop at 472339:472450 |
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Issue descriptiongraphs to follow
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May 19 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8979136537383849968
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May 19 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : drott Commit : fbec38011870753cffb3cb2ff98aa0c00c63b25c Date : Wed May 17 10:49:03 2017 Subject: Reland: Compile FreeType with HarfBuzz support Bisect Details Configuration: linux_perf_bisect Benchmark : loading.desktop Metric : cpuTimeToFirstMeaningfulPaint_avg/pcv1-cold/2ch Change : 157.38% | 49.6756666667 -> 127.853666667 Revision Result N chromium@472338 49.6757 +- 9.73088 6 good chromium@472385 48.0642 +- 5.54562 6 good chromium@472408 48.6775 +- 6.01707 6 good chromium@472411 48.8525 +- 3.75007 6 good chromium@472412 47.6578 +- 5.61014 6 good chromium@472413 148.522 +- 53.7688 6 bad <-- chromium@472414 129.915 +- 12.936 6 bad chromium@472420 132.987 +- 23.388 6 bad chromium@472431 127.854 +- 8.73534 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=2ch loading.desktop Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8979136537383849968 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6432553919053824 | 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 benhenry@google.com
, May 19 2017