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

Delta Revision Range Bot Test Suite Test
383.3% 550929-551672 android-webview-nexus6 blink_perf.layout fixed-grid-lots-of-stretched-data
352.7% 550929-551672 android-webview-nexus6 blink_perf.layout fixed-grid-lots-of-data
203.7% 550929-551672 android-webview-nexus6 blink_perf.layout auto-grid-lots-of-data
160.4% 550969-551087 chromium-rel-mac11-air blink_perf.layout fixed-grid-lots-of-data
155.0% 550969-551087 chromium-rel-mac11-air blink_perf.layout fixed-grid-lots-of-stretched-data
136.7% 551036-551100 android-webview-nexus5X blink_perf.layout fixed-grid-lots-of-data
132.1% 551036-551100 android-webview-nexus5X blink_perf.layout fixed-grid-lots-of-stretched-data
122.5% 549662-549745 linux-release smoothness.top_25_smooth percentage_smooth/gmail
116.0% 550929-551672 android-webview-nexus6 blink_perf.layout nested-grid
100.0% 551432-551549 android-nexus7v2 thread_times.key_silk_cases thread_raster_cpu_time_per_frame/inbox_app.html?toggle_drawer

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

Delta Revision Range Bot Test Suite Test Bug
330.1% 552587-552589 chromium-rel-win7-gpu-intel system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:malloc:allocated_objects_size_avg/load_media/load_media_9gag 835853
294.7% 552588-552590 chromium-rel-mac11-pro loading.desktop timeToFirstContentfulPaint_avg/cold/Taobao 835861
291.5% 552546-552582 chromium-rel-win10 system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/load_tools/load_tools_weather 835929
291.5% 552559-552586 chromium-rel-win7-gpu-intel system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/load_tools/load_tools_weather 835929
282.4% 552587-552589 chromium-rel-win7-gpu-intel system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:malloc:allocated_objects_size_avg/load_news/load_news_cnn 835853
280.9% 552587-552589 chromium-rel-win7-gpu-intel system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:malloc:allocated_objects_size_avg/browse_news/browse_news_cnn 835853
255.0% 552588-552590 chromium-rel-mac11-pro loading.desktop timeToFirstContentfulPaint_avg/warm/Taobao 835861
252.7% 552587-552589 chromium-rel-win7-gpu-intel system_health.memory_desktop memory:chrome:all_processes:reported_by_os:system_memory:private_footprint_size_avg/load_media/load_media_9gag 835853
250.1% 552587-552589 chromium-rel-win7-gpu-intel system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:malloc:allocated_objects_size_avg/load_media/load_media_imgur 835853
222.3% 552587-552589 chromium-rel-win7-gpu-intel system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:malloc:allocated_objects_size_avg/load_tools/load_tools_weather 835853