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3.3% regression in v8.infinite_scroll-ignition_tbmv2 at 445284:445287 |
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Issue descriptionSee the link to graphs below.
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Jan 24 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8989590119207379344
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Jan 25 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : mvstanton Commit : 55feaaea4c83bf72a409bb1ebde5b86c979d4d1c Date : Thu Jan 19 17:12:28 2017 Subject: Revert [TypeFeedbackVector] Root literal arrays in function literal slots Bisect Details Configuration: android_nexus5X_perf_bisect Benchmark : v8.infinite_scroll-ignition_tbmv2 Metric : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg Change : 3.41% | 42350383.6444 -> 43871067.0667 Revision Result N chromium@445283 42350384 +- 904997 9 good chromium@445283,v8@f09e57923a 42338973 +- 443351 9 good chromium@445283,v8@7ff8d317b1 42587148 +- 484537 6 good chromium@445283,v8@f604724448 42570815 +- 594997 6 good chromium@445283,v8@55feaaea4c 43909323 +- 1027757 6 bad <-- chromium@445283,v8@5e44cc79d5 43759321 +- 631370 6 bad chromium@445283,v8@c70ec473ba 43741673 +- 950665 6 bad chromium@445283,v8@e26a58e43c 43381515 +- 788755 6 bad chromium@445284 43528798 +- 1924159 9 bad chromium@445285 43832394 +- 842345 6 bad chromium@445287 43871067 +- 678469 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.infinite_scroll-ignition_tbmv2 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8989590119207379344 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5690258995281920 | 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 Tests>AutoBisect. Thank you! |
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Comment 1 by toyoshim@chromium.org
, Jan 24 2017