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

Delta Revision Range Bot Test Suite Test
281.8% 568510-568598 linux-perf smoothness.top_25_smooth percentage_smooth/yahoo_sports
103.7% 569641-569732 android-webview-nexus6 blink_perf.parser query-selector-all-class-deep
93.9% 568917-569017 android-webview-nexus5X thread_times.simple_mobile_sites thread_IO_cpu_time_per_frame/flickr_scroll
93.4% 568953-569071 android-webview-nexus6 thread_times.simple_mobile_sites thread_IO_cpu_time_per_frame/flickr_scroll
80.6% 569641-569732 android-webview-nexus6 blink_perf.parser query-selector-all-deep
77.9% 1528955187-1529642116 health-plan-webview-phone system_health.memory_mobile memory:webview:all_processes:reported_by_chrome:skia:effective_size_avg/browse_media/browse_media_youtube
76.7% 568953-569071 android-webview-nexus6 system_health.memory_mobile memory:webview:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/background_news/background_news_nytimes
72.1% 568953-569071 android-webview-nexus6 smoothness.tough_canvas_cases frame_times/microsoft_video_city
68.1% 1529555902-1529564910 health-plan-webview-phone system_health.memory_mobile memory:webview:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/background_news/background_news_nytimes
65.8% 568953-569071 android-webview-nexus6 thread_times.simple_mobile_sites thread_other_cpu_time_per_frame/flickr_scroll

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

Delta Revision Range Bot Test Suite Test Bug
358400.0% 568562-568659 android-nexus5X system_health.memory_mobile memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/background_social/background_social_facebook NONE
358400.0% 568483-568607 android-nexus5 system_health.memory_mobile memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/background_social/background_social_facebook NONE
358400.0% 1529470636-1529482382 health-plan-clankium-phone system_health.memory_mobile memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/background_social/background_social_facebook 855405
204800.0% 568562-568659 android-nexus5X system_health.memory_mobile memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/background_media/background_media_imgur NONE
204800.0% 568483-568607 android-nexus5 system_health.memory_mobile memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/background_media/background_media_imgur NONE
204800.0% 568608-568703 android-nexus5 system_health.memory_mobile memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/background_search/background_search_google 855407
102400.0% 568534-568615 android-webview-nexus6 system_health.memory_mobile memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/background_media/background_media_imgur 855402
102400.0% 568534-568615 android-webview-nexus6 system_health.memory_mobile memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/background_search/background_search_google 855402
102400.0% 568538-568621 android-webview-nexus5X system_health.memory_mobile memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/background_search/background_search_google 855402
102400.0% 568538-568621 android-webview-nexus5X system_health.memory_mobile memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/background_media/background_media_imgur 855402