Chrome Performance Dashboard

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

Delta Revision Range Bot Test Suite Test
1150.8% 413134-413167 chromium-rel-mac-retina v8.infinite_scroll-ignition_tbmv2 v8-gc-scavenger_percentage_idle
338.7% 414052-414068 android-one v8.infinite_scroll_tbmv2 v8-gc-scavenger_percentage_idle
100.0% 413738-413760 chromium-rel-win10 startup.cold.blank_page messageloop_start_time
100.0% 413738-413761 chromium-rel-win7-gpu-intel startup.cold.blank_page messageloop_start_time
100.0% 413739-413764 linux-release startup.cold.blank_page messageloop_start_time
100.0% 413726-413747 chromium-rel-win7-gpu-nvidia startup.cold.blank_page messageloop_start_time
100.0% 413742-413775 chromium-rel-win8-dual startup.cold.blank_page messageloop_start_time
100.0% 413732-413757 chromium-rel-win7-x64-dual startup.cold.blank_page messageloop_start_time
100.0% 413735-413756 chromium-rel-mac10 startup.warm.blank_page messageloop_start_time
100.0% 413744-413777 chromium-rel-mac11 startup.warm.blank_page messageloop_start_time

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

Delta Revision Range Bot Test Suite Test Bug
819.1% 413409-413424 android-galaxy-s5 page_cycler_v2.intl_es_fr_pt-BR timeToFirstMeaningfulPaint_avg/pcv1-cold/http___www.voila.fr_ 641495
302.3% 413383-413414 android-nexus5 page_cycler_v2.intl_es_fr_pt-BR timeToFirstMeaningfulPaint_avg/pcv1-cold/http___www.voila.fr_ 641495
278.1% 413383-413414 android-nexus5 page_cycler_v2.intl_es_fr_pt-BR timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.voila.fr_ 641495
210.8% 413118-413149 android-nexus7v2 memory.long_running_idle_gmail_tbmv2 v8-gc-scavenger_avg 639763
206.3% 413134-413167 chromium-rel-mac-retina v8.infinite_scroll-ignition_tbmv2 v8-gc-scavenger_avg 639763
199.7% 413406-413414 linux-release page_cycler_v2.intl_es_fr_pt-BR timeToFirstMeaningfulPaint_avg/pcv1-cold/http___www.voila.fr_ 641495
139.1% 413409-413424 android-galaxy-s5 page_cycler_v2.intl_es_fr_pt-BR timeToFirstMeaningfulPaint_avg/pcv1-warm/http___www.voila.fr_ 641495
131.9% 414469-414515 android-nexus5 smoothness.scrolling_tough_ad_cases first_gesture_scroll_update_latency/http___www.theguardian.com_uk 641347
130.1% 402378-414193 android-nexus9 smoothness.sync_scroll.key_mobile_sites_smooth first_gesture_scroll_update_latency/http___www.cnn.com_2012_10_03_politics_michelle-obama-debate_index.html 641015
128.5% 414480-414531 android-nexus6 smoothness.scrolling_tough_ad_cases first_gesture_scroll_update_latency/http___www.theguardian.com_uk 641347