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1.7%-1.8% regression in memory.top_10_mobile at 472980:473149 |
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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/8978900808311457024
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May 22 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : Adam Klein Commit : 9397c1b73a607de3c836d9869527cf478668eb19 Date : Thu May 18 19:28:58 2017 Subject: Revert "[parser] Refactor streaming scanner streams." Bisect Details Configuration: android_nexus5X_perf_bisect Benchmark : memory.top_10_mobile Metric : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:effective_size_avg/foreground Change : 1.57% | 5463919.66667 -> 5549677.8 Revision Result N chromium@472979 5463920 +- 29580.0 6 good chromium@473048 5431618 +- 248808 9 good chromium@473053 5405384 +- 247560 6 good chromium@473053,v8@f4da43618c 5465682 +- 60473.3 9 good chromium@473053,v8@6b5e443972 5438144 +- 52177.4 6 good chromium@473053,v8@9397c1b73a 5548045 +- 27358.6 6 bad <-- chromium@473054 5533184 +- 61848.6 6 bad chromium@473055 5561076 +- 35665.1 6 bad chromium@473057 5547559 +- 30681.8 6 bad chromium@473066 5524797 +- 251776 9 bad chromium@473083 5555565 +- 35455.1 6 bad chromium@473117 5549678 +- 42522.6 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 memory.top_10_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8978900808311457024 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5859392882212864 | 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