Chrome Performance Dashboard

Top 10 improvements in the last 7 days for Chromium Perf Sheriff

Delta Revision Range Bot Test Suite Test
155.4% 458417-458553 android-nexus5X blink_perf.css ClassDescendantSelector
116.3% 458417-458553 android-nexus5X blink_perf.css PseudoClassSelectors
99.3% 459027-459050 android-nexus5X system_health.common_mobile timeToFirstMeaningfulPaint_avg/browse_media/browse_media_imgur
99.0% 459019-459041 android-nexus6 system_health.common_mobile timeToFirstMeaningfulPaint_avg/browse_media/browse_media_imgur
98.9% 459026-459111 android-nexus7v2 system_health.common_mobile timeToFirstMeaningfulPaint_avg/browse_media/browse_media_imgur
98.9% 459028-459050 android-nexus5 system_health.common_mobile timeToFirstMeaningfulPaint_avg/browse_media/browse_media_imgur
98.2% 458997-459041 android-webview-nexus5X system_health.common_mobile timeToFirstMeaningfulPaint_avg/browse_media/browse_media_imgur
98.0% 459028-459057 android-webview-nexus6 system_health.common_mobile timeToFirstMeaningfulPaint_avg/browse_media/browse_media_imgur
96.6% 458983-459073 linux-release system_health.common_desktop timeToFirstMeaningfulPaint_avg/browse_media/browse_media_imgur
94.8% 459078-459225 chromium-rel-mac11-pro system_health.common_desktop timeToFirstMeaningfulPaint_avg/multitab_misc/multitab_misc_typical24

Top 10 regressions in the last 7 days for Chromium Perf Sheriff

Delta Revision Range Bot Test Suite Test Bug
3551.4% 458888-458999 chromium-rel-mac12 smoothness.top_25_smooth first_gesture_scroll_update_latency/LinkedIn 704732
2799.2% 458862-459069 chromium-rel-mac12-mini-8gb smoothness.top_25_smooth first_gesture_scroll_update_latency/http___www.ebay.com 704732
2249.6% 458888-458999 chromium-rel-mac12 smoothness.top_25_smooth first_gesture_scroll_update_latency/https___www.google.com__hl_en_q_barack+obama 704732
2180.1% 459070-459248 chromium-rel-mac12-mini-8gb smoothness.top_25_smooth first_gesture_scroll_update_latency/Blogger 705376
2111.2% 459000-459037 chromium-rel-mac12 smoothness.top_25_smooth first_gesture_scroll_update_latency/http___www.ebay.com 704732
1959.9% 458888-458999 chromium-rel-mac12 smoothness.top_25_smooth first_gesture_scroll_update_latency/http___booking.com 704732
1834.8% 458862-459069 chromium-rel-mac12-mini-8gb smoothness.top_25_smooth first_gesture_scroll_update_latency/LinkedIn 704732
1755.6% 459000-459037 chromium-rel-mac12 smoothness.top_25_smooth first_gesture_scroll_update_latency/ESPN 704732
1538.3% 459070-459248 chromium-rel-mac12-mini-8gb smoothness.top_25_smooth first_gesture_scroll_update_latency/http___booking.com 704732
1358.5% 458876-458999 chromium-rel-win7-gpu-intel smoothness.top_25_smooth first_gesture_scroll_update_latency/Facebook 704732