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18.7% regression in v8.browsing_desktop_classic at 460362:460527 |
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Issue descriptionSee the link to graphs below.
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Apr 3 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8983350945760980288
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Apr 4 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : rmcilroy Commit : 124254af04fd234fffa434b8b4380f5056528e3b Date : Wed Mar 29 14:30:55 2017 Subject: Remove V8Future experiment. Bisect Details Configuration: win_x64_perf_bisect Benchmark : v8.browsing_desktop_classic Metric : memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg/memory:chrome:renderer_processes:reported_by_chrome:v8:heap:allocated_objects_size_avg Change : 14.78% | 40155788.8215 -> 46091646.4682 Revision Result N chromium@460361 40155789 +- 3037236 6 good chromium@460372 40870702 +- 2604880 6 good chromium@460377 39754084 +- 2282018 6 good chromium@460379 40796634 +- 2169833 6 good chromium@460380 46224856 +- 2806898 6 bad <-- chromium@460382 45572001 +- 2757138 6 bad chromium@460403 46218885 +- 2321885 6 bad chromium@460444 46815044 +- 3119465 6 bad chromium@460527 46091646 +- 2027729 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests v8.browsing_desktop_classic Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8983350945760980288 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=4971765215789056 | 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 ulan@google.com
, Apr 3 2017