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62.5% regression in v8.top_25_smooth at 410702:410740 |
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Issue descriptionSee the link to graphs below.
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Aug 10 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9004709796772933440
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Aug 11 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : [heap] Enforce finalization of marking at heap limit when optimizing for memory usage. Author : hpayer Commit description: BUG= chromium:634900 Review-Url: https://codereview.chromium.org/2225363002 Cr-Commit-Position: refs/heads/master@{#38495} Commit : a7b7d691064f00feaa37946416e65c76d6b9926e Date : Tue Aug 09 13:09:14 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@410701 257.341 9.05298 5 good chromium@410721 255.058 12.9307 4 good chromium@410731 261.346 11.6147 5 good chromium@410734 261.102 15.2618 5 good chromium@410734,v8@9b6d753170 246.074 18.4576 5 good chromium@410734,v8@2f6b26ed45 256.637 16.4138 5 good chromium@410734,v8@c403ab7f57 265.124 8.21394 4 good chromium@410734,v8@a7b7d69106 347.494 25.4602 6 bad <-- chromium@410735 359.018 23.269 4 bad chromium@410736 318.966 26.7192 5 bad chromium@410740 336.181 41.0432 5 bad Bisect job ran on: android_nexus7_perf_bisect Bug ID: 636367 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests v8.top_25_smooth Test Metric: v8_gc_total_outside_idle/v8_gc_total_outside_idle Relative Change: 39.83% Score: 99.9 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/3187 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9004709796772933440 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5778782107992064 | 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 pmeenan@chromium.org
, Aug 10 2016