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

Delta Revision Range Bot Test Suite Test
91.2% 521426-521527 chromium-rel-win7-gpu-ati blink_perf.canvas createImageBitmapFromImageData
90.4% 521469-521597 android-nexus6 blink_perf.canvas createImageBitmapFromImageData
89.8% 522210-522325 chromium-rel-mac12 system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_social/browse_social_twitter
88.2% 521445-521536 chromium-rel-win7-gpu-nvidia blink_perf.canvas createImageBitmapFromImageData
87.0% 522210-522325 chromium-rel-mac12 system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_media/browse_media_flickr_infinite_scroll
86.1% 522210-522325 chromium-rel-mac12 system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_news/browse_news_flipboard
85.8% 522210-522325 chromium-rel-mac12 system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_tech/browse_tech_discourse_infinite_scroll
85.7% 522718-522764 linux-release system_health.common_desktop total:500ms_window:renderer_eqt_max/browse_news/browse_news_hackernews
85.7% 522210-522325 chromium-rel-mac12 system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/load_accessibility_media/load_accessibility_media_wikipedia
85.0% 522718-522764 linux-release system_health.common_desktop total:500ms_window:renderer_eqt_max/load_news/load_news_cnn

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

Delta Revision Range Bot Test Suite Test Bug
1548.8% 517074-517429 android-one system_health.memory_mobile memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/browse_social/browse_social_tumblr_infinite_scroll 788375
1024.7% 521700-521782 linux-release scheduler.tough_scheduling_cases mean_input_event_latency/sync_scroll_offset.html 792930
554.2% 521671-521715 chromium-rel-win7-gpu-intel scheduler.tough_scheduling_cases mean_input_event_latency/sync_scroll_offset.html 792930
435.5% 521669-521710 chromium-rel-win7-gpu-nvidia scheduler.tough_scheduling_cases mean_input_event_latency/sync_scroll_offset.html 792930
395.3% 521693-521766 chromium-rel-win7-gpu-ati scheduler.tough_scheduling_cases mean_input_event_latency/sync_scroll_offset.html 792930
306.1% 521699-521790 chromium-rel-win8-dual scheduler.tough_scheduling_cases mean_input_event_latency/sync_scroll_offset.html 792930
251.0% 521681-521743 chromium-rel-win7-dual scheduler.tough_scheduling_cases mean_input_event_latency/sync_scroll_offset.html 792930
250.0% 521672-521723 chromium-rel-win7-x64-dual scheduler.tough_scheduling_cases mean_input_event_latency/sync_scroll_offset.html 792930
207.4% 507669-517244 linux-release loading.desktop cpuTimeToFirstMeaningfulPaint_avg/cold/Pantip 787171
151.4% 507669-517244 linux-release loading.desktop timeToFirstContentfulPaint_avg/cold/Pantip 787171