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

Delta Revision Range Bot Test Suite Test
17131.8% 672018-672033 linux-perf rendering.desktop percentage_smooth/many_images
9733.9% 670592-670674 android-nexus5x-perf blink_perf.canvas upload-video-to-texture
1343.4% 667721-671011 linux-perf blink_perf.canvas draw-static-canvas-2d-to-hw-accelerated-canvas-2d_RAF
1024.4% 667669-671020 android-nexus5x-perf blink_perf.canvas draw-static-canvas-2d-to-hw-accelerated-canvas-2d_RAF
658.2% 670636-670727 Android Nexus6 WebView Perf rendering.mobile percentage_smooth/microsoft_snow
325.6% 671243-671264 linux-perf blink_perf.dom select-single-remove
323.0% 671194-671255 Win 7 Nvidia GPU Perf blink_perf.dom select-single-remove
309.9% 671248-671268 mac-10_13_laptop_high_end-perf blink_perf.dom select-single-remove
306.8% 671198-671249 mac-10_12_laptop_low_end-perf blink_perf.dom select-single-remove
294.5% 671038-671193 Win 7 Nvidia GPU Perf blink_perf.canvas draw-hw-accelerated-canvas-2d-to-sw-canvas-2d_RAF

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

Delta Revision Range Bot Test Suite Test Bug
zero-to-nonzero 38090221223900901-38090231223901000 cros-peppy system_health.memory_desktop console:error:all_avg/load_news/load_news_hackernews_2018 NONE
10280.0% 667724-667959 Android Nexus5 Perf rendering.mobile thread_raster_cpu_time_per_frame/text_hover_90000_pixels_per_second NONE
1858.8% 669965-670039 Win 7 Nvidia GPU Perf system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/load_tools/load_tools_dropbox 977359
406.4% 669566-669596 Android Nexus5 Perf rendering.mobile thread_raster_cpu_time_per_frame/ie_chalkboard NONE
142.6% 670862-670932 win-10-perf memory.desktop memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/TrivialScrollingPageSharedPageState NONE
100.0% 670897-670973 linux-perf system_health.common_desktop console:error:all_avg/load_games/load_games_spychase_2018 NONE
98.4% 671054-671164 linux-perf system_health.common_desktop cpu_time_percentage_avg/load_tools/load_tools_weather NONE
97.9% 670862-670932 win-10-perf memory.desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/TrivialScrollingPageSharedPageState NONE
96.0% 669566-669596 Android Nexus5 Perf rendering.mobile percentage_smooth/ie_chalkboard NONE
80.0% 670391-670716 linux-perf system_health.common_desktop console:error:all_avg/browse_tools/browse_tools_maps 977364