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

Delta	Revision Range	Bot	Test Suite	Test
zero-to-nonzero	599922-599947	android-nexus5x-perf	rendering.mobile	percentage_smooth/css_value_type_filter
13612.1%	599862-599908	Android Nexus5 Perf	rendering.mobile	percentage_smooth/web_animations_staggered_infinite_iterations
13331.4%	599909-599938	Android Nexus5 Perf	rendering.mobile	percentage_smooth/wikipedia_desktop_gpu_raster_2018
13290.7%	599862-599908	Android Nexus5 Perf	rendering.mobile	percentage_smooth/wikipedia_2018
13120.9%	599862-599908	Android Nexus5 Perf	rendering.mobile	percentage_smooth/worldjournal_mobile_2018
12637.3%	599862-599908	Android Nexus5 Perf	rendering.mobile	percentage_smooth/web_animations_staggered_triggering_page
12515.8%	599862-599908	Android Nexus5 Perf	rendering.mobile	percentage_smooth/wordpress_desktop_gpu_raster_2018
12379.7%	599890-599920	Android Nexus6 WebView Perf	rendering.mobile	percentage_smooth/spielzeugz
12308.0%	599859-599906	mac-10_12_laptop_low_end-perf	rendering.desktop	percentage_smooth/facebook_pinch_2018
12305.7%	599862-599908	Android Nexus5 Perf	rendering.mobile	percentage_smooth/wsj_mobile_2018

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

Delta	Revision Range	Bot	Test Suite	Test	Bug
196.1%	599049-599093	linux-perf	system_health.memory_desktop	memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/load_news/load_news_reddit_2018	NONE
99.4%	599325-599393	mac-10_12_laptop_low_end-perf	rendering.desktop	percentage_smooth/css_value_type_path	NONE
99.0%	599290-599440	Win 7 Perf	rendering.desktop	percentage_smooth/css_animations_simultaneous_new_element	NONE
99.0%	599290-599440	Win 7 Perf	rendering.desktop	percentage_smooth/text_hover_15000_pixels_per_second	NONE
99.0%	599290-599440	Win 7 Perf	rendering.desktop	percentage_smooth/css_value_type_shadow	NONE
99.0%	599384-599486	Win 7 Nvidia GPU Perf	rendering.desktop	percentage_smooth/css_animations_simultaneous_updating_class	NONE
99.0%	599290-599440	Win 7 Perf	rendering.desktop	percentage_smooth/crafty_mind	NONE
99.0%	599384-599486	Win 7 Nvidia GPU Perf	rendering.desktop	percentage_smooth/microsoft_fish_ie_tank	NONE
99.0%	599384-599486	Win 7 Nvidia GPU Perf	rendering.desktop	percentage_smooth/ie_pirate_mark	NONE
54.0%	599639-599682	Android Nexus5X WebView Perf	rendering.mobile	thread_total_all_cpu_time_per_frame/latimes_pathological_2018	NONE