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4.8% regression in rasterize_and_record_micro.top_25 at 526673:526694 |
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Issue descriptionSee the link to graphs below.
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Jan 10 2018
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8957788006326963744
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Jan 10 2018
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: android_webview_nexus6_aosp_perf_bisect Benchmark : rasterize_and_record_micro.top_25 Metric : rasterize_time/file___static_top_25_booking.html Revision Result N chromium@526672 27.3988 +- 1.47769 21 good chromium@526694 27.4676 +- 1.26602 21 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 --story-filter=file...static.top.25.booking.html rasterize_and_record_micro.top_25 More information on addressing performance regressions: http://g.co/ChromePerformanceRegressions Debug information about this bisect: https://chromeperf.appspot.com/buildbucket_job_status/8957788006326963744 For feedback, file a bug with component Speed>Bisection
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Jan 11 2018
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8957695168833530224
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Jan 11 2018
Kicked new bisect.
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Jan 11 2018
=== BISECT JOB RESULTS === Perf regression found but unable to narrow commit range Build failures prevented the bisect from narrowing the range further. Bisect Details Configuration: android_webview_nexus6_aosp_perf_bisect Benchmark : rasterize_and_record_micro.top_25 Metric : rasterize_time/file___static_top_25_booking.html Change : 1.31% | 27.3522142857 -> 27.6112857143 Suspected Commit Range 5 commits in range https://chromium.googlesource.com/chromium/src/+log/b9a599c21b63d11163b52693e59b777d82932953..e5d92d3149e5e19e7bcb65ec0d27d3c610b976dd Revision Result N chromium@526672 27.3522 +- 0.824399 14 good chromium@526674 27.5811 +- 2.01381 14 good chromium@526675 --- --- build failure chromium@526676 --- --- build failure chromium@526677 --- --- build failure chromium@526678 --- --- build failure chromium@526679 27.6206 +- 1.23823 21 bad chromium@526683 27.6713 +- 1.64224 21 bad chromium@526694 27.6113 +- 1.40301 14 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 --story-filter=file...static.top.25.booking.html rasterize_and_record_micro.top_25 More information on addressing performance regressions: http://g.co/ChromePerformanceRegressions Debug information about this bisect: https://chromeperf.appspot.com/buildbucket_job_status/8957695168833530224 For feedback, file a bug with component Speed>Bisection
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Jan 26 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/15b5735c840000
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Jan 26 2018
Trying one more, wider bisect.
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Feb 5 2018
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Feb 12 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/12c2132d840000
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Feb 12 2018
Not sure what happened with the previous bisect. Started another one with wider range.
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Feb 13 2018
📍 Couldn't reproduce a difference. https://pinpoint-dot-chromeperf.appspot.com/job/12c2132d840000
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Mar 13 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/1288d8d6440000
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Mar 29 2018
Manually going over the range in comment #3 (526672-526694), I couldn't find anything obvious. pinpoint is also failing. However, looks like this has gone back down (after many ups and downs in between) to earlier levels (~27ms). So closing.
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Apr 11 2018
Pijat tradisional n refleksi Pada tanggal Kam, 11 Jan 2018 7:20 PM, h… via monorail < monorail+v2.3837952099@chromium.org> menulis: |
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Comment 1 by 42576172...@developer.gserviceaccount.com
, Jan 10 2018