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1.8%-36.2% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 460330:464322 |
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Issue descriptionGraphs coming.
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Apr 17 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982027987531866272
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Apr 18 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : chongz Commit : 232fbc4bc87a4c35ea8ab60e1f7ff8e4e8e14de5 Date : Fri Mar 31 20:14:35 2017 Subject: Revert of Enable VsyncAlignedInput to Field Trial (patchset #1 id:40001 of https://codereview.chromium.org/2752363002/ ) Bisect Details Configuration: android_nexus5X_perf_bisect Benchmark : smoothness.sync_scroll.key_mobile_sites_smooth Metric : mean_input_event_latency/Wordpress Change : 42.70% | 12.868 -> 18.3621666667 Revision Result N chromium@460329 12.868 +- 2.71977 6 good chromium@460818 15.6882 +- 1.9121 6 good chromium@461062 13.1397 +- 2.01517 6 good chromium@461184 14.3047 +- 1.34143 6 good chromium@461200 15.1383 +- 3.01428 6 good chromium@461201 15.6108 +- 0.66039 6 good chromium@461202 18.4767 +- 3.95711 6 bad <-- chromium@461204 18.095 +- 2.29243 6 bad chromium@461208 19.8223 +- 4.85124 6 bad chromium@461215 19.6747 +- 3.97322 6 bad chromium@461245 20.1077 +- 4.26103 6 bad chromium@461306 18.886 +- 3.25068 6 bad chromium@462283 20.0512 +- 5.71618 6 bad chromium@464322 18.3622 +- 2.91878 6 bad 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=Wordpress smoothness.sync_scroll.key_mobile_sites_smooth Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8982027987531866272 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5810688171180032 | 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 benhenry@google.com
, Apr 17 2017