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2.6% regression in system_health.memory_mobile at 452906:453030 |
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Issue descriptionSee the link to graphs below.
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Mar 8 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985647604902988656
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Mar 9 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : caitp Commit : 0423341034c767d91128c9fd68e3f51e60359c1c Date : Fri Feb 24 17:48:49 2017 Subject: [async-iteration] implement Async-from-Sync Iterator Bisect Details Configuration: android_nexus6_perf_bisect Benchmark : system_health.memory_mobile Metric : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/load_news/load_news_qq Change : 2.03% | 3247790.66667 -> 3313870.0 Revision Result N chromium@452905 3247791 +- 28924.5 6 good chromium@452937 3241876 +- 956.092 6 good chromium@452953 3242519 +- 1866.62 6 good chromium@452957 3243420 +- 7515.55 6 good chromium@452958 3242199 +- 555.976 6 good chromium@452958,v8@0ba513f056 3242618 +- 2144.22 6 good chromium@452958,v8@8cfe45b6f1 3243816 +- 29537.2 6 good chromium@452958,v8@0423341034 3318999 +- 26771.5 6 bad <-- chromium@452959 3314248 +- 997.212 6 bad chromium@452961 3314276 +- 891.148 6 bad chromium@452968 3314369 +- 1012.92 6 bad chromium@453030 3313870 +- 1017.27 6 bad Please refer to the following doc on diagnosing memory regressions: https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md 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 --story-filter=load.news.qq system_health.memory_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8985647604902988656 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5851008623706112 | 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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Mar 11 2017
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Mar 11 2017
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Comment 1 by benhenry@google.com
, Mar 8 2017