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1%-1.4% regression in system_health.memory_mobile at 459634:459664 |
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Issue descriptionSee the link to graphs below.
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Mar 30 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8983671002681398688
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Mar 30 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : Peter Marshall Commit : 14e01da1cf6c02628252ed267ca5043f44d63a5d Date : Fri Mar 24 17:40:22 2017 Subject: [builtins] Port TypedArrayConstructByArrayLike to CodeStubAssembler. Bisect Details Configuration: android_nexus7_perf_bisect Benchmark : system_health.memory_mobile Metric : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/load_tools/load_tools_docs Change : 0.51% | 2661610.66667 -> 2675094.66667 Revision Result N chromium@459637 2661611 +- 94.9386 6 good chromium@459640 2661593 +- 189.877 6 good chromium@459642 2661593 +- 189.877 6 good chromium@459642,v8@7273f7011a 2662599 +- 240.178 6 good chromium@459642,v8@7e08a77deb 2662581 +- 228.642 6 good chromium@459642,v8@14e01da1cf 2675008 +- 254.747 6 bad <-- chromium@459642,v8@5fdb5a148e 2677953 +- 15787.9 6 bad chromium@459643 2675008 +- 254.747 6 bad chromium@459648 2675095 +- 94.9386 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.tools.docs system_health.memory_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8983671002681398688 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=4734713387810816 | 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 lanwei@chromium.org
, Mar 30 2017