Chrome Performance Dashboard

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

Delta Revision Range Bot Test Suite Test
136245.1% 322391-322450 android-nexus6 blink_perf.canvas putImageData
98.1% 321414-321476 chromium-rel-win7-gpu-intel smoothness.tough_scrolling_cases mean_pixels_approximated
97.6% 322236-322312 android-one thread_times.key_mobile_sites_smooth thread_other_cpu_time_per_frame
97.0% 322261-322325 android-nexus10 thread_times.key_silk_cases thread_other_cpu_time_per_frame
96.9% 322298-322325 android-nexus6 thread_times.key_mobile_sites_smooth thread_other_cpu_time_per_frame
96.7% 322261-322325 android-nexus10 thread_times.simple_mobile_sites thread_other_cpu_time_per_frame
96.6% 322700-322702 android-nexus6 blink_perf.shadow_dom LargeDistributionWithoutLayout
96.3% 322261-322305 android-nexus5 thread_times.key_mobile_sites_smooth thread_other_cpu_time_per_frame
96.0% 322298-322325 android-nexus6 thread_times.simple_mobile_sites thread_other_cpu_time_per_frame
95.8% 322261-322305 android-nexus5 thread_times.simple_mobile_sites thread_other_cpu_time_per_frame

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

Delta Revision Range Bot Test Suite Test Bug
zero-to-nonzero 322268-322327 android-nexus4 thread_times.key_silk_cases thread_raster_cpu_time_per_frame 471606
1104344.6% 322029-322033 linux-release cc_perftests calc_draw_props_time/layer_sort_cubes 469230
714831.8% 322029-322045 android-nexus7v2 cc_perftests calc_draw_props_time/layer_sort_cubes 469230
709710.2% 322003-322035 android-nexus4 cc_perftests calc_draw_props_time/layer_sort_cubes 469230
707692.6% 322020-322035 android-nexus5 cc_perftests calc_draw_props_time/layer_sort_cubes 469230
679616.5% 322013-322067 android-nexus10 cc_perftests calc_draw_props_time/layer_sort_cubes 469230
618618.2% 322024-322075 android-nexus6 cc_perftests calc_draw_props_time/layer_sort_cubes 469230
90617.5% 322029-322033 linux-release cc_perftests calc_draw_props_time/layer_sort_rubik 469230
70278.9% 322023-322032 chromium-rel-mac8 cc_perftests calc_draw_props_time/layer_sort_rubik 469230
65753.1% 322024-322075 android-nexus6 cc_perftests calc_draw_props_time/layer_sort_rubik 469230

Bugs in the last 7 days

Bug State Status Author Summary
472115 open Assigned dsinclair@chromium.org 3.3% regression in startup.warm.blank_page at 322728:322728
472113 open Assigned dsinclair@chromium.org 1.4% regression in page_cycler.intl_hi_ru at 322873:322894
472112 open Assigned dsinclair@chromium.org 3.3% regression in page_cycler.netsim.top_10 at 322571:322584
472106 open Assigned minyue@google.com A zero-to-nonzero regression in browser_tests_new_vie at 1427394448:1427397005
472045 open Assigned phogl...@google.com 11.9%-37.1% regression in webrtc_perf_tests at 8862:8865
472042 open Assigned phogl...@google.com 4.4%-332.6% regression in webrtc_perf_tests at 8806:8806
472041 open Assigned phogl...@google.com 3.2%-51.8% regression in webrtc_perf_tests at 8810:8810
471954 open Assigned ericwill...@chromium.org 10.5% regression in dromaeo.jslibmodifyprototype at 322728:322730
471930 open Available ericwill...@chromium.org 28.8% regression in blink_perf.css at 322451:322478
471927 open Assigned ericwill...@chromium.org 10.6%-11.2% regression in blink_perf.parser at 322736:322740
471630 closed Fixed ericwill...@chromium.org 13.4% regression in blink_perf.svg at 322003:322035
471619 open Assigned ericwill...@chromium.org 41.3% regression in blink_perf.layout at 321943:321957
471618 open Assigned ericwill...@chromium.org 54.5% regression in blink_perf.css at 322391:322450
471617 open Assigned ericwill...@chromium.org 56% regression in blink_perf.shadow_dom at 322391:322450
471615 open Assigned ericwill...@chromium.org 36%-43.6% regression in smoothness.polymer at 322391:322450
471614 closed Fixed ericwill...@chromium.org 43.6% regression in blink_perf.svg at 322175:322187
471612 open Assigned ericwill...@chromium.org 14.8% regression in blink_perf.css at 322528:322539
471610 open Started tapted@chromium.org Trace viewer's size is big
471609 open Assigned tapted@chromium.org 1% regression in Mac Chromium.app sizes at 322394:322434
471608 open Assigned ericwill...@chromium.org 18% regression in page_cycler.morejs at 322672:322685
471606 open Assigned ericwill...@chromium.org A zero-to-nonzero regression in thread_times.key_silk_cases at 322268:322327
471134 open Assigned rby...@chromium.org 18.8% regression in blink_perf.parser at 321784:321812
471122 open Untriaged rby...@chromium.org Android telemetry flakiness from GetPsOutput - IndexError: list index out of range
470670 open Assigned rby...@chromium.org 30.2%-45.9% regression in thread_times.key_mobile_sites_smooth at 321995:322001
470668 open Assigned rby...@chromium.org 4.3%-24.9% regression in dromaeo.jslibstylejquery at 321962:322001
470665 open Assigned rby...@chromium.org 0.2% regression in sizes at 322075:322080
470652 open Assigned benhan...@chromium.org ARC: 4.9% regression on pre_embed_time+play_services
470348 open Assigned bo...@chromium.org 10.2% regression in thread_times.key_silk_cases at 321837:321869
470344 open Assigned bo...@chromium.org 2% regression in thread_times.simple_mobile_sites at 321681:321686
470343 open Started bo...@chromium.org 4.7% regression in tab_switching.top_10 at 321771:321778
470334 open Assigned bo...@chromium.org 48.4% regression in v8.top_25_smooth at 321769:321800
470331 open Assigned bo...@chromium.org 2.4% regression in indexeddb_perf at 321930:321933
470328 open Assigned bo...@chromium.org 10.4% regression in blink_perf.parser at 321769:321775