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68.6% regression in smoothness.top_25_smooth at 382313:382346 |
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Issue descriptionSee the link to graphs below.
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Mar 22 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Re-land enabling wheel gestures on all platforms. Author : dtapuska Commit description: Changes since last attempt in https://codereview.chromium.org/1724783002/ MacOSX implementation has landed in https://codereview.chromium.org/1749343004/ The Android perf regression has been eliminated because the default wheel transaction is set to 0. The perf regression was because the wheel transaction time was added to the total time of the test. Attention perf sherrifs; a minor perf regression is expected in this change. 8-10% when locally on my Nexus 5; this minor regression is anticipated because of the new code paths. BUG= 568183 Review URL: https://codereview.chromium.org/1776843003 Cr-Commit-Position: refs/heads/master@{#382345} Commit : ca4feba9a31e10d1baab5813650c192e06cfd643 Date : Mon Mar 21 19:00:47 2016 ===== TESTED REVISIONS ===== Revision Mean Value Std. Dev. Num Values Good? chromium@382312 30.132092 0.205752 5 good chromium@382330 30.071225 0.292607 5 good chromium@382338 29.990483 0.190076 5 good chromium@382342 30.209867 0.128442 5 good chromium@382344 30.103958 0.361892 5 good chromium@382345 54.427505 8.779703 5 bad chromium@382346 50.699221 10.115376 5 bad Bisect job ran on: mac_10_10_perf_bisect Bug ID: 596821 Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests smoothness.top_25_smooth Test Metric: mean_input_event_latency/mean_input_event_latency Relative Change: 68.26% Score: 98.0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2055 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017496642879116064 | 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 label Cr-Tests-AutoBisect. Thank you!
,
Mar 22 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Re-land enabling wheel gestures on all platforms. Author : dtapuska Commit description: Changes since last attempt in https://codereview.chromium.org/1724783002/ MacOSX implementation has landed in https://codereview.chromium.org/1749343004/ The Android perf regression has been eliminated because the default wheel transaction is set to 0. The perf regression was because the wheel transaction time was added to the total time of the test. Attention perf sherrifs; a minor perf regression is expected in this change. 8-10% when locally on my Nexus 5; this minor regression is anticipated because of the new code paths. BUG= 568183 Review URL: https://codereview.chromium.org/1776843003 Cr-Commit-Position: refs/heads/master@{#382345} Commit : ca4feba9a31e10d1baab5813650c192e06cfd643 Date : Mon Mar 21 19:00:47 2016 ===== TESTED REVISIONS ===== Revision Mean Value Std. Dev. Num Values Good? chromium@382312 30.209292 0.250424 5 good chromium@382330 30.151867 0.1945 5 good chromium@382338 30.317458 0.382648 5 good chromium@382342 30.363325 0.227728 5 good chromium@382344 30.322292 0.114036 5 good chromium@382345 49.135586 4.896141 5 bad chromium@382346 49.397762 4.705563 5 bad Bisect job ran on: mac_10_10_perf_bisect Bug ID: 596821 Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests smoothness.top_25_smooth Test Metric: mean_input_event_latency/mean_input_event_latency Relative Change: 63.52% Score: 99.9 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2056 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017496629319576896 | 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 label Cr-Tests-AutoBisect. Thank you! |
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Comment 1 by alexclarke@chromium.org
, Mar 22 2016