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5.3%-35.7% regression in media.tough_video_cases_tbmv2 at 480772:480829 |
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Issue descriptionSee the link to graphs below.
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Jun 28 2017
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Jun 28 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : hpayer Commit : 0d2ed6c3287ec48ee06ec1b69287ed4bf0dd60d7 Date : Mon Jun 19 10:16:13 2017 Subject: [heap] Allow a minimum semi-space size of 512K. Bisect Details Configuration: mac_air_perf_bisect Benchmark : media.tough_video_cases_tbmv2 Metric : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:new_space:effective_size_avg/video.html?src_tulip2.mp3_type_audio_seek Change : 34.87% | 665456.0 -> 897533.333333 Revision Result N chromium@480771 665456 +- 2268.59 6 good chromium@480800 663299 +- 188.524 6 good chromium@480815 662976 +- 1086.82 6 good chromium@480819 663187 +- 246.23 6 good chromium@480821 663224 +- 209.533 6 good chromium@480821,v8@8a32788f39 663280 +- 274.343 6 good chromium@480821,v8@f626d5df7e 662843 +- 2037.18 6 good chromium@480821,v8@bc717ae84b 662517 +- 2665.59 6 good chromium@480821,v8@0d2ed6c328 897283 +- 3374.7 6 bad <-- chromium@480821,v8@d6c9e534c8 897360 +- 2208.0 6 bad chromium@480821,v8@2325ef535f 897648 +- 274.343 6 bad chromium@480822 897779 +- 102.242 6 bad chromium@480829 897533 +- 1003.65 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=video.html.src.tulip2.mp3.type.audio.seek media.tough_video_cases_tbmv2 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8975551147483683872 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6341859015655424 | 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 42576172...@developer.gserviceaccount.com
, Jun 28 2017