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2.3%-14.3% regression in v8.infinite_scroll-classic_tbmv2 at 472711:472979 |
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Issue descriptionSee the link to graphs below.
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May 22 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8978913211642959664
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May 22 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : Ross McIlroy Commit : de4a4095cf22bc3c9cfa13eb5f8be28eb7a5f031 Date : Thu May 18 10:41:48 2017 Subject: [Heap] Disable code flushing in preparation to remove it. Bisect Details Configuration: win_perf_bisect Benchmark : v8.infinite_scroll-classic_tbmv2 Metric : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/flickr Change : 21.24% | 16036833.0 -> 19442533.0 Revision Result N chromium@472776 16036833 +- 393087 6 good chromium@472827 16804285 +- 1770687 6 good chromium@472852 16584434 +- 1562511 6 good chromium@472854 17196286 +- 2435930 6 good chromium@472855 16958797 +- 1300154 6 good chromium@472855,v8@5e9939214e 16280809 +- 1161844 6 good chromium@472855,v8@de4a4095cf 19054995 +- 1098490 6 bad <-- chromium@472855,v8@cd1325a890 18824158 +- 1340215 6 bad chromium@472855,v8@9fd599ef98 18980670 +- 2248511 6 bad chromium@472856 19481865 +- 1777074 6 bad chromium@472859 18729184 +- 1997227 6 bad chromium@472865 19111620 +- 1937653 5 bad chromium@472877 18941626 +- 1032895 6 bad chromium@472977 19442533 +- 1780208 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=flickr v8.infinite_scroll-classic_tbmv2 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8978913211642959664 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5848460848267264 | 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 jochen@chromium.org
, May 22 2017