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1.1%-10.9% regression in v8.runtime_stats.top_25 at 477229:477300 |
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Issue descriptionSee the link to graphs below.
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Jun 16 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8976628037696449536
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Jun 16 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : jgruber Commit : 866ee63c581393185de63319aae94b21fc4069dd Date : Tue Jun 06 11:28:37 2017 Subject: [string] Re-enable result caching for String.p.split Bisect Details Configuration: mac_10_11_perf_bisect Benchmark : v8.runtime_stats.top_25 Metric : IC:duration_avg/http___inbox.google.com Change : 10.77% | 9.29044444444 -> 10.2913333333 Revision Result N chromium@477228 9.29044 +- 1.15671 9 good chromium@477258 8.956 +- 0.586747 6 good chromium@477273 9.31333 +- 0.422371 6 good chromium@477280 9.188 +- 0.446029 6 good chromium@477284 9.35389 +- 0.52747 9 good chromium@477284,v8@c22ca7f73b 9.21083 +- 0.544214 6 good chromium@477284,v8@866ee63c58 10.2957 +- 1.84352 9 bad <-- chromium@477284,v8@a5838cc92b 10.005 +- 0.472978 6 bad chromium@477285 9.83333 +- 0.504565 9 bad chromium@477286 10.0292 +- 0.545035 6 bad chromium@477287 10.2913 +- 1.27995 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...inbox.google.com v8.runtime_stats.top_25 Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8976628037696449536 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5295664457580544 | 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 tebbi@chromium.org
, Jun 16 2017