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

Delta Revision Range Bot Test Suite Test
391.2% 551047-551129 android-nexus7v2 blink_perf.layout fixed-grid-lots-of-stretched-data
383.3% 550929-551672 android-webview-nexus6 blink_perf.layout fixed-grid-lots-of-stretched-data
378.0% 551047-551129 android-nexus7v2 blink_perf.layout fixed-grid-lots-of-data
352.7% 550929-551672 android-webview-nexus6 blink_perf.layout fixed-grid-lots-of-data
242.2% 550969-551101 chromium-rel-win8-dual blink_perf.layout fixed-grid-lots-of-data
237.4% 551056-551185 chromium-rel-win7-x64-dual blink_perf.layout fixed-grid-lots-of-data
222.1% 550969-551101 chromium-rel-win8-dual blink_perf.layout fixed-grid-lots-of-stretched-data
217.4% 551056-551185 chromium-rel-win7-x64-dual blink_perf.layout fixed-grid-lots-of-stretched-data
215.6% 551065-551152 linux-release blink_perf.layout fixed-grid-lots-of-data
205.1% 551016-551135 chromium-rel-win7-dual blink_perf.layout fixed-grid-lots-of-data

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

Delta Revision Range Bot Test Suite Test Bug
585.4% 551417-551533 android-nexus6 thread_times.key_silk_cases thread_total_all_cpu_time_per_frame/https___www.google.com_search?hl_en_q_define%3Aboogie 834919
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
206.8% 552512-552570 chromium-rel-win7-gpu-ati system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/load_tools/load_tools_weather 835929
132.5% 549258-550724 win-high-dpi thread_times.tough_compositor_cases thread_total_all_cpu_time_per_frame/http___jsbin.com_giqafofe_1_quiet?JS_POSTER_CIRCLE 833741
115.6% 552134-552234 chromium-rel-mac11-air system_health.memory_desktop memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/load_games/load_games_bubbles 835927
114.3% 552532-552579 chromium-rel-mac11-pro blink_perf.image_decoder decode-lossy-webp 835885
113.4% 552532-552579 chromium-rel-mac11-pro blink_perf.image_decoder decode-jpeg 835885
109.6% 552532-552579 chromium-rel-mac11-pro blink_perf.image_decoder decode-png-palette 835885
102.0% 552532-552579 chromium-rel-mac11-pro blink_perf.image_decoder decode-png-palette-opaque 835885