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8.1%-35.8% regression in thread_times.simple_mobile_sites at 482917:482926 |
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Issue descriptionSee the link to graphs below.
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Jun 28 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8975519308781107168
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Jun 30 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : Takayoshi Kochi Commit : fa75e2abb23205caa6d7f61edc89e672e83f6089 Date : Wed Jun 28 08:22:13 2017 Subject: Revert of Relanding [Android] Adding Smart GO/NEXT feature in Chrome (patchset #4 id:80001 of https://codereview.chromium.org/2948593002/ ) Bisect Details Configuration: android_webview_nexus6_aosp_perf_bisect Benchmark : thread_times.simple_mobile_sites Metric : thread_GPU_cpu_time_per_frame/thread_GPU_cpu_time_per_frame Change : 34.42% | 0.626745350275 -> 0.842472444316 Revision Result N chromium@482916 0.626745 +- 0.0244793 8 good chromium@482917 0.624312 +- 0.011269 6 good chromium@482918 0.851304 +- 0.047723 5 bad <-- chromium@482919 0.853793 +- 0.02044 5 bad chromium@482921 0.849616 +- 0.0204344 6 bad chromium@482926 0.842472 +- 0.0171384 5 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests thread_times.simple_mobile_sites More information on addressing performance regressions: http://g.co/ChromePerformanceRegressions Debug information about this bisect: https://chromeperf.appspot.com/buildbucket_job_status/8975519308781107168 For feedback, file a bug with component Speed>Bisection |
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Comment 1 by tdres...@chromium.org
, Jun 28 2017