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

Delta Revision Range Bot Test Suite Test
64.5% 533806-537314 android-nexus5 blink_perf.canvas toBlob_duration_jpeg
57.4% 533806-537314 android-nexus5 blink_perf.canvas toBlob_duration
54.7% 537313-537416 chromium-rel-mac12 smoothness.tough_canvas_cases frame_times/http___ie.microsoft.com_testdrive_Performance_LetItSnow_
50.8% 536748-537106 chromium-rel-win10 blink_perf.layout multicol_tall-content-short-columns-realistic
48.8% 537372-537424 android-nexus6 blink_perf.shadow_dom v1-small-deep-distribution
47.6% 537300-537429 android-webview-nexus6 blink_perf.shadow_dom v1-small-deep-distribution
44.6% 537425-537484 android-nexus6 system_health.common_mobile timeToFirstMeaningfulPaint_avg/load_media/load_media_google_images
43.5% 536942-536975 chromium-rel-win7-gpu-intel blink_perf.layout multicol_tall-content-short-columns-realistic
42.9% 537365-537468 android-one smoothness.key_silk_cases avg_surface_fps/inbox_app.html?toggle_drawer
42.1% 536944-536980 chromium-rel-win7-gpu-ati blink_perf.layout multicol_tall-content-short-columns-realistic

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

Delta Revision Range Bot Test Suite Test Bug
3150.9% 537430-537487 android-webview-nexus6 system_health.memory_mobile memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_social/browse_social_instagram 814232
3150.9% 537449-537523 android-webview-nexus5X system_health.memory_mobile memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_social/browse_social_instagram 814232
1354.8% 537425-537484 android-nexus6 rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_ebay.html 813959
875.2% 537362-537456 chromium-rel-win8-dual rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_yahoogames.html 813959
781.3% 537362-537455 chromium-rel-win10 rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_yahoogames.html 813959
670.1% 537430-537487 android-webview-nexus6 rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_ebay.html 813959
507.8% 537362-537456 chromium-rel-win8-dual rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_yahoonews.html 813959
484.3% 537425-537484 android-nexus6 rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_googledocs.html 813959
478.8% 537362-537462 chromium-rel-win7-gpu-intel rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_gmail.html 813959
437.7% 537362-537455 chromium-rel-win10 rasterize_and_record_micro.top_25 rasterize_time/file___static_top_25_yahoonews.html 813959