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

Delta Revision Range Bot Test Suite Test
358.9% 514751-514799 android-webview-nexus5X blink_perf.canvas upload-video-to-texture
78.2% 516489-516550 android-webview-nexus5X rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_yahoogames.html
73.5% 516486-516579 chromium-rel-win8-dual rasterize_and_record_micro.top_25 record_time/file___static_top_25_facebook.html
70.1% 515126-515167 chromium-rel-win8-dual loading.desktop cpuTimeToFirstMeaningfulPaint_avg/warm/NatGeo
67.5% 516486-516579 chromium-rel-win8-dual rasterize_and_record_micro.top_25 record_time/file___static_top_25_ebay.html
60.0% 516486-516579 chromium-rel-win8-dual rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_facebook.html
58.5% 517118-517202 chromium-rel-mac11 loading.desktop timeToFirstMeaningfulPaint_avg/warm/TheVerge
55.9% 516486-516579 chromium-rel-win8-dual rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_twitter.html
54.5% 515130-515171 chromium-rel-win10 loading.desktop timeToFirstMeaningfulPaint_avg/warm/Leboncoin
54.4% 515952-515999 android-webview-nexus5X thread_times.tough_scrolling_cases thread_raster_cpu_time_per_frame/text_hover_50000_pixels_per_second

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

Delta Revision Range Bot Test Suite Test Bug
3612.6% 517159-517228 chromium-rel-mac12 memory.desktop memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/TrivialGifPageSharedPageState 787182
1690.5% 517140-517225 android-nexus5X loading.mobile cpuTimeToFirstMeaningfulPaint_avg/warm_Regular-3G/FlipKart 787171
1581.8% 517140-517225 android-nexus5X loading.mobile timeToFirstMeaningfulPaint_avg/hot_Regular-3G/FlipKart 787171
1433.3% 517140-517225 android-nexus5X loading.mobile cpuTimeToFirstMeaningfulPaint_avg/hot_Regular-3G/FlipKart 787171
1406.9% 517140-517225 android-nexus5X loading.mobile timeToFirstMeaningfulPaint_avg/warm_Regular-3G/FlipKart 787171
1363.4% 517183-517288 chromium-rel-win7-dual loading.desktop timeToFirstContentfulPaint_avg/warm/yahoo.co.jp 787171
1353.0% 517108-517220 chromium-rel-win8-dual loading.desktop timeToFirstContentfulPaint_avg/warm/Kenh14 787171
1332.6% 515709-515819 android-nexus5 loading.mobile timeToFirstContentfulPaint_avg/Regular-3G/BOLNoticias 784352
1332.6% 515709-515819 android-nexus5 loading.mobile timeToFirstMeaningfulPaint_avg/Regular-3G/BOLNoticias 784352
1026.8% 517187-517286 chromium-rel-win7-gpu-nvidia loading.desktop timeToFirstContentfulPaint_avg/warm/Kenh14 787171