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

Delta Revision Range Bot Test Suite Test
92.9% 921113-921121 linux-perf rendering.desktop Graphics.Smoothness.PercentDroppedFrames.AllSequences/large_texture_uploads
63.5% 918213-918283 Android Nexus5X WebView Perf loading.mobile cpuTimeToFirstContentfulPaint/cold/FlipKart_cold
61.5% 921118-921121 linux-perf blink_perf.bindings worker-structured-clone-different-payloads/worker-structured-clone-different-payloads.html
50.6% 918213-918283 Android Nexus5X WebView Perf loading.mobile timeToFirstContentfulPaint/cold/FlipKart_cold
50.0% 920564-920567 linux-perf system_health.common_desktop console:error:all_avg/load_games/load_games_miniclip_2018
50.0% 920564-920567 linux-perf system_health.memory_desktop console:error:all_avg/load_games/load_games_miniclip_2018
47.7% 918213-918283 Android Nexus5X WebView Perf loading.mobile timeToFirstContentfulPaint_avg/cold/FlipKart_cold
44.3% 922006-922086 linux-perf rendering.desktop thread_total_rendering_cpu_time_per_frame/spielzeugz
43.1% 922006-922086 linux-perf rendering.desktop thread_total_rendering_cpu_time_per_frame/text_05000_pixels_per_second
42.1% 922006-922086 linux-perf rendering.desktop thread_total_rendering_cpu_time_per_frame/text_hover_10000_pixels_per_second

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

Delta Revision Range Bot Test Suite Test Bug
148.2% 921784-922281 Android Nexus5X WebView Perf blink_perf.css Document::recalcStyle/ChangeStyleShallowTree.html 1250240
133.5% 921784-922281 Android Nexus5X WebView Perf blink_perf.css Document::updateStyle/ChangeStyleShallowTree.html 1250240
106.2% 921784-922281 Android Nexus5X WebView Perf blink_perf.css ChangeStyleShallowTree/ChangeStyleShallowTree.html 1250240
100.0% 920478-920484 linux-perf system_health.common_desktop console:error:all_avg/load_games/load_games_miniclip_2018 1248707
100.0% 920478-920484 linux-perf system_health.memory_desktop console:error:all_avg/load_games/load_games_miniclip_2018 1248708
83.1% 921784-922281 Android Nexus5X WebView Perf blink_perf.css LoadMaterializeStarterPage/LoadMaterializeStarterPage.html 1250240
82.4% 921784-922281 Android Nexus5X WebView Perf blink_perf.bindings serialize-nested-array/serialize-nested-array.html 1250692
79.5% 921784-922281 Android Nexus5X WebView Perf blink_perf.css CustomPropertiesPendingSubstitution/CustomPropertiesPendingSubstitution.html 1250240
77.9% 922433-922484 linux-perf rendering.desktop thread_total_rendering_cpu_time_per_frame/spielzeugz NONE
75.2% 921946-922031 mac-10_12_laptop_low_end-perf rendering.desktop Graphics.Smoothness.PercentDroppedFrames.AllSequences/tiny_racing_v3_wasm_2020 1250348