Chrome Performance Dashboard

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

Delta Revision Range Bot Test Suite Test
567.0% 336805-336838 chromium-rel-mac9 blink_perf.canvas setFontAndMeasureTextSingleFont
544.2% 336821-336837 chromium-rel-mac8 blink_perf.canvas setFontAndMeasureTextSingleFont
482.1% 336819-336869 chromium-rel-win7-dual blink_perf.canvas setFontAndMeasureTextSingleFont
307.3% 336835-336864 chromium-rel-win7-gpu-nvidia blink_perf.canvas setFontAndMeasureTextSingleFont
302.2% 336835-336864 chromium-rel-win7-gpu-ati blink_perf.canvas setFontAndMeasureTextSingleFont
94.1% 335442-335445 android-one v8.top_25_smooth v8_gc_total_percentage_idle
83.0% 335223-335440 chromium-rel-win7-gpu-intel smoothness.gpu_rasterization.tough_filters_cases input_event_latency_discrepancy
83.0% 335223-335440 chromium-rel-win7-gpu-intel smoothness.gpu_rasterization.tough_filters_cases mean_input_event_latency
78.6% 335925-336210 chromium-rel-win7-x64-dual page_cycler.morejs cold_times/page_load_time
76.0% 335925-336210 chromium-rel-win7-x64-dual smoothness.key_desktop_move_cases mean_input_event_latency

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

Delta Revision Range Bot Test Suite Test Bug
223.8% 337046-337075 chromium-rel-mac9 smoothness.tough_scrolling_cases mean_pixels_approximated 506677
213.9% 336455-336467 chromium-rel-win7-dual smoothness.tough_filters_cases frame_times/http___ie.microsoft.com_testdrive_Performance_Pirates_ 505564
199.1% 337052-337074 chromium-rel-win7-dual smoothness.tough_scrolling_cases mean_pixels_approximated 506677
196.6% 337056-337092 chromium-rel-win7-gpu-nvidia smoothness.tough_scrolling_cases mean_pixels_approximated 506677
193.8% 337059-337081 chromium-rel-mac8 smoothness.tough_scrolling_cases mean_pixels_approximated 506677
185.6% 337056-337092 chromium-rel-win8-dual smoothness.tough_scrolling_cases mean_pixels_approximated 506677
165.5% 336463-336485 chromium-rel-mac8 smoothness.tough_filters_cases frame_times/http___ie.microsoft.com_testdrive_Performance_Pirates_ 505564
157.3% 336463-336474 chromium-rel-mac9 smoothness.tough_filters_cases frame_times/http___ie.microsoft.com_testdrive_Performance_Pirates_ 505564
141.9% 335925-336210 chromium-rel-win7-x64-dual smoothness.tough_scrolling_cases mean_pixels_approximated 504942
141.8% 336455-336464 chromium-rel-xp-dual smoothness.tough_filters_cases frame_times/http___ie.microsoft.com_testdrive_Performance_Pirates_ 505564

Bugs in the last 7 days

Bug State Status Author Summary
506696 open Assigned dsinclair@chromium.org 10% regression in blink_perf.canvas at 336769:336779
506695 open Assigned dsinclair@chromium.org 11.1% regression in blink_perf.parser at 337193:337196
506694 open Assigned dsinclair@chromium.org 7% regression in dromaeo.domcoremodify at 336492:336493
506693 open Assigned dsinclair@chromium.org 35.6% regression in smoothness.tough_scrolling_cases at 336253:336301
506692 open Assigned dsinclair@chromium.org 24.3% regression in smoothness.tough_scrolling_cases at 336857:336915
506691 open Assigned dsinclair@chromium.org 17.5% regression in session_restore.cold.typical_25 at 336677:336712
506690 open Assigned dsinclair@chromium.org 4.8% regression in dromaeo.domcoremodify at 336492:336494
506688 open Assigned dsinclair@chromium.org 5.1% regression in dromaeo.domcoremodify at 336494:336494
506687 open Assigned dsinclair@chromium.org 4.1% regression in dromaeo.domcoremodify at 336338:336340
506686 open Assigned dsinclair@chromium.org 2.4% regression in smoothness.tough_canvas_cases at 336090:336093
506685 open Assigned dsinclair@chromium.org 4.3% regression in session_restore.cold.typical_25 at 336699:336711
506684 open Assigned dsinclair@chromium.org 3.7% regression in session_restore.cold.typical_25 at 336686:336699
506683 open Assigned dsinclair@chromium.org 5.5% regression in dromaeo.domcoremodify at 336352:336362
506682 open Assigned dsinclair@chromium.org 5.3% regression in dromaeo.domcoremodify at 336494:336494
506681 open Assigned dsinclair@chromium.org 4.9% regression in dromaeo.domcoremodify at 336354:336365
506679 open Assigned dsinclair@chromium.org 2%-3.3% regression in smoothness.top_25_smooth at 336769:336864
506678 open Assigned dsinclair@chromium.org 8.6% regression in session_restore.warm.typical_25 at 336699:336960
506677 open Assigned dsinclair@chromium.org 193.8% regression in smoothness.tough_scrolling_cases at 337059:337081
506676 open Assigned dsinclair@chromium.org 7.6% regression in session_restore.warm.typical_25 at 336689:336705
506675 open Assigned dsinclair@chromium.org 94.1% regression in session_restore.warm.typical_25 at 336699:336717
506673 open Assigned dsinclair@chromium.org 30.4% regression in startup.warm.blank_page at 337094:337117
506604 open Untriaged simonha...@chromium.org Fix and re-enable tab_switching.reference.
506533 open Assigned hlun...@google.com 136% regression in content_browsertests at 337111:337114
506527 open Assigned hlun...@google.com 4%-8.4% regression in webrtc_perf_tests at 9516:9516
506272 open Assigned robert...@google.com 7.5% regression in rasterize_and_record_micro.key_silk_cases at 336955:336960
506270 open Assigned robert...@google.com 2.5% regression in indexeddb_perf at 336001:336185
506268 open Assigned robert...@google.com 8.1% regression in dromaeo.domcoremodify at 336492:336493
506165 open Assigned hlun...@google.com False data stoppage alerts for webrtc_perf_tests at r9510
506060 open Assigned robert...@google.com 13.9%-21.6% regression in blink_perf.parser at 336557:336567
505987 open Assigned prab...@chromium.org 52.7% regression in media.mse_cases at 335523:335562
505985 open Assigned prab...@chromium.org 77% regression in media.tough_video_cases at 336599:336624
505849 open Started qyears...@chromium.org Catapult dashboard test ip_whitelist_test failing (403 error)
505579 open Assigned rby...@chromium.org 1.1%-50% regression in performance_browser_tests:TabCapturePerformance at 336362:336410
505564 open Assigned rby...@chromium.org 141.8%-213.9% regression in smoothness.tough_filters_cases at 336455:336485
505447 open Assigned prab...@chromium.org 3.7% regression in media.tough_video_cases at 335925:336210
505288 open Assigned qyears...@google.com No data received for dromaeo.domcoremodify from chromium-rel-xp-dual since 335056
504958 open Assigned sulli...@chromium.org 7.6% regression in sunspider at 335987:336011
504955 open Assigned sulli...@chromium.org 15.9%-18.5% regression in smoothness.tough_scrolling_cases at 336304:336320
504952 open Assigned sulli...@chromium.org 1.8%-2.2% regression in page_cycler.intl_hi_ru at 335937:336094
504950 open Assigned sulli...@chromium.org 2.5%-66% regression in memory.idle_multi_tab at 335925:336210
504870 open Assigned rmcil...@google.com 12%-18.5% regression in blink_perf.parser at 335103:335192
504813 closed Fixed phogl...@google.com 3.8%-18.3% improvement in webrtc_perf_tests at 9487:9487
504736 open Assigned phogl...@google.com 2%-59% regression in browser_tests at 336186:336207