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

Delta	Revision Range	Bot	Test Suite	Test
96.0%	490023-490087	linux-release	memory.long_running_idle_gmail_tbmv2	v8-gc-incremental-finalize_max
92.0%	492046-492168	win-high-dpi	rasterize_and_record_micro.top_25	rasterize_time/Weather.com
84.5%	494037-494087	chromium-rel-win7-gpu-nvidia	smoothness.tough_canvas_cases	frame_times/http___ie.microsoft.com_testdrive_Performance_AsteroidBelt_Default.html
84.3%	492046-492168	win-high-dpi	rasterize_and_record_micro.top_25	rasterize_time/Twitter
82.9%	492046-492168	win-high-dpi	rasterize_and_record_micro.top_25	rasterize_time/Facebook
81.2%	492046-492168	win-high-dpi	rasterize_and_record_micro.top_25	rasterize_time/http___www.youtube.com
79.9%	492046-492168	win-high-dpi	rasterize_and_record_micro.top_25	rasterize_time/http___booking.com
79.8%	492046-492168	win-high-dpi	rasterize_and_record_micro.top_25	rasterize_time/https___www.google.com_search?q_cats_tbm_isch
79.1%	492046-492168	win-high-dpi	rasterize_and_record_micro.top_25	rasterize_time/ESPN
76.3%	489592-489740	android-nexus5	smoothness.key_mobile_sites_smooth	first_gesture_scroll_update_latency/http___www.boingboing.net

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

Delta	Revision Range	Bot	Test Suite	Test	Bug
5828.4%	494038-494089	chromium-rel-win7-gpu-intel	loading.desktop	timeToFirstContentfulPaint_avg/pcv1-warm/Yandex	755607
5374.7%	494037-494087	chromium-rel-win7-gpu-nvidia	loading.desktop	timeToFirstContentfulPaint_avg/pcv1-warm/FlipKart	755607
5251.4%	494037-494087	chromium-rel-win7-gpu-nvidia	loading.desktop	timeToFirstContentfulPaint_avg/pcv1-warm/Yandex	755607
5103.0%	494038-494089	chromium-rel-win7-gpu-intel	loading.desktop	timeToFirstContentfulPaint_avg/pcv1-warm/FlipKart	755607
4240.6%	494037-494087	chromium-rel-win7-gpu-nvidia	loading.desktop	timeToFirstMeaningfulPaint_avg/pcv1-warm/FC2Blog	755607
4013.4%	494038-494089	chromium-rel-win7-gpu-intel	loading.desktop	timeToFirstMeaningfulPaint_avg/pcv1-warm/FC2Blog	755607
3803.5%	494040-494119	chromium-rel-win10	loading.desktop	timeToFirstContentfulPaint_avg/pcv1-warm/FlipKart	755607
3752.3%	494038-494089	chromium-rel-win7-gpu-intel	loading.desktop	timeToFirstMeaningfulPaint_avg/pcv1-warm/NatGeo	755607
3520.1%	494040-494119	chromium-rel-win10	loading.desktop	timeToFirstContentfulPaint_avg/pcv1-warm/Yandex	755607
3391.8%	494038-494089	chromium-rel-win7-gpu-intel	loading.desktop	timeToFirstContentfulPaint_avg/pcv1-warm/Naver	755607