Large regression on smoothness.key_mobile_sites_smooth.mean_pixels_checkerboarded at 537107:537191 |
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Issue descriptionThe regression ranges from ~300% to ~2000% on Nexus 5, 5X and 6. Triggering bisects
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Feb 20 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/16816a17840000
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Feb 20 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/12fd3287840000
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Feb 21 2018
📍 Found a significant difference after 1 commit. https://pinpoint-dot-chromeperf.appspot.com/job/12fd3287840000 [RLS] Skip compositing input step if a scroll can be applied directly. by chrishtr@chromium.org https://chromium.googlesource.com/chromium/src/+/32419f4422bf130d9c52331a0c7dafba9337cc99 Understanding performance regressions: http://g.co/ChromePerformanceRegressions
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Feb 21 2018
Graphs: https://chromeperf.appspot.com/report?sid=8fc7a59b824d3d2b6cf0dfd6458e2c1209e7e82178ee28e975cb10a9bfb30936&start_rev=527510&end_rev=538063
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Feb 21 2018
📍 Found a significant difference after 1 commit. https://pinpoint-dot-chromeperf.appspot.com/job/14f569c7840000 [RLS] Skip compositing input step if a scroll can be applied directly. by chrishtr@chromium.org https://chromium.googlesource.com/chromium/src/+/32419f4422bf130d9c52331a0c7dafba9337cc99 Understanding performance regressions: http://g.co/ChromePerformanceRegressions
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Feb 21 2018
The patch was reverted in https://chromium-review.googlesource.com/c/chromium/src/+/928861 Leaving the bug open to verify that perf recovers, in case the wrong patch was pinpointed.
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Feb 21 2018
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Feb 23 2018
The graphs have recovered after the revert.
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Feb 23 2018
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Feb 23 2018
Issue 814255 has been merged into this issue.
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Feb 28 2018
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Feb 28 2018
Issue 813884 has been merged into this issue.
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Feb 28 2018
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Comment 1 by 42576172...@developer.gserviceaccount.com
, Feb 20 2018