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2.9%-5.4% regression in media.tough_video_cases_tbmv2 at 480772:480915 |
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Issue descriptionSee the link to graphs below.
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Jun 22 2017
This range includes Hannes' CL to reduce new-space size to 512K.
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Jun 22 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_10_11_perf_bisect Benchmark : media.tough_video_cases_tbmv2 Metric : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_avg/video.html?src_crowd2160.mp4 Change : 14.00% | 3364753.33333 -> 3835666.66667 Revision Result N chromium@480792 3364753 +- 291319 6 good chromium@480814 3571585 +- 44343.2 6 good chromium@480820 3571145 +- 45412.2 6 good chromium@480821 3568083 +- 61767.5 9 good chromium@480821,v8@8a32788f39 3546752 +- 272667 9 good chromium@480821,v8@f626d5df7e 3575074 +- 52718.4 9 good chromium@480821,v8@bc717ae84b 3487455 +- 336003 6 good chromium@480821,v8@0d2ed6c328 3803307 +- 1475.37 6 bad <-- chromium@480821,v8@d6c9e534c8 3744429 +- 503608 9 bad chromium@480821,v8@2325ef535f 3799989 +- 1552.36 6 bad chromium@480822 3835667 +- 1192.06 6 bad chromium@480823 3835613 +- 1152.98 6 bad chromium@480825 3835485 +- 1461.08 6 bad chromium@480836 3835504 +- 1304.37 6 bad chromium@480879 3835667 +- 1181.49 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.crowd2160.mp4 media.tough_video_cases_tbmv2 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8976096112608215168 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6661473369063424 | 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 22 2017