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Issue 778343 link

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Issue metadata

Status: WontFix
Owner:
Closed: Oct 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: ----
Type: ----



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6156.3% improvement in blink_perf.canvas at 494991:495262

Project Member Reported by crouleau@google.com, Oct 25 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 25 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=778343

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=48b16a4d39d89feba9432d72f89378f6b53cc5297a359a87cc8141f847aec457

Alerts fired for ranges overlapping the given range:
  https://chromeperf.appspot.com/group_report?rev_one=494991&rev_two=495262



Bot(s) for this bug's original alert(s):

chromium-rel-mac-retina
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Oct 25 2017

Owner: crouleau@chromium.org
Status: Assigned (was: Untriaged)
๐Ÿ“ Found a significant difference after 1 commit.
https://dev-jchinlee-5d951d4a-dot-chromeperf.appspot.com/job/16cf5a71780000

Change tests that fail with wheel scroll latching and async wheel on.
By sahel@chromium.org ยท Thu Aug 17 14:56:44 2017
chromium @ 955c32907a2c9921065fa628e0b8b5b28a7afe6c

Top 15 impacts of this CL, ordered by magnitude of percentage change
Please see https://chromeperf.appspot.com/group_report?rev=495173 for more details.
  Bug ID|  Regressed (%)|   Improved (%)| Test Name
--------+---------------+---------------+-----------------------------------------------------------------------------------------
  759014|       11876.2%|               | chromium-webrtc-trunk-tot-rel-win10/browser_tests/audio_rx/goog_jitter_recv
  778343|               |        6156.3%| chromium-rel-mac-retina/blink_perf.canva...static-webgl-to-hw-accelerated-canvas-2d [1]
  756946|        5950.0%|               | chromium-rel-win7-gpu-ati/rasterize_and_...top_25/record_time/http___www.amazon.com [2]
  756946|        3300.0%|               | chromium-rel-win7-gpu-ati/rasterize_and_...ecord_micro.top_25/record_time/Pinterest [3]
  756946|        3100.0%|               | android-webview-nexus5X/rasterize_and_record_micro.top_25/record_time/Pinterest
  756946|        2950.0%|               | android-nexus7v2/rasterize_and_record_mi...top_25/record_time/http___www.amazon.com [5]
  756946|        2927.5%|               | android-nexus5/rasterize_and_record_micr...top_25/record_time/http___www.amazon.com [6]
  756946|        2316.7%|               | android-webview-nexus5X/rasterize_and_re...top_25/record_time/http___www.amazon.com [7]
  758281|        1723.1%|               | chromium-rel-mac-retina/system_health.co...gy_sum/browse_news/browse_news_flipboard [8]
  756946|        1710.0%|               | android-webview-nexus6/rasterize_and_record_micro.top_25/record_time/Pinterest
  758281|        1587.5%|               | chromium-rel-mac11-pro/system_health.com...gy_sum/browse_news/browse_news_flipboard [10]
  756946|        1425.0%|               | android-nexus7v2/rasterize_and_record_micro.top_25/record_time/Pinterest
  756946|        1210.0%|               | android-webview-nexus6/rasterize_and_rec...top_25/record_time/http___www.amazon.com [12]
  756946|        1127.5%|               | android-nexus5/rasterize_and_record_micro.top_25/record_time/Pinterest
  758281|         987.2%|               | chromium-rel-mac-retina/system_health.co...al/browse_social_twitter_infinite_scroll [14]
[0] ChromiumWebRTCFYI/chromium-webrtc-trunk-tot-rel-win10/browser_tests/audio_rx/goog_jitter_recv
[1] ChromiumPerf/chromium-rel-mac-retina/blink_perf.canvas/draw-static-webgl-to-hw-accelerated-canvas-2d
[2] ChromiumPerf/chromium-rel-win7-gpu-ati/rasterize_and_record_micro.top_25/record_time/http___www.amazon.com
[3] ChromiumPerf/chromium-rel-win7-gpu-ati/rasterize_and_record_micro.top_25/record_time/Pinterest
[4] ChromiumPerf/android-webview-nexus5X/rasterize_and_record_micro.top_25/record_time/Pinterest
[5] ChromiumPerf/android-nexus7v2/rasterize_and_record_micro.top_25/record_time/http___www.amazon.com
[6] ChromiumPerf/android-nexus5/rasterize_and_record_micro.top_25/record_time/http___www.amazon.com
[7] ChromiumPerf/android-webview-nexus5X/rasterize_and_record_micro.top_25/record_time/http___www.amazon.com
[8] ChromiumPerf/chromium-rel-mac-retina/system_health.common_desktop/mousewheel_response:energy_sum/browse_news/browse_news_flipboard
[9] ChromiumPerf/android-webview-nexus6/rasterize_and_record_micro.top_25/record_time/Pinterest
[10] ChromiumPerf/chromium-rel-mac11-pro/system_health.common_desktop/mousewheel_response:energy_sum/browse_news/browse_news_flipboard
[11] ChromiumPerf/android-nexus7v2/rasterize_and_record_micro.top_25/record_time/Pinterest
[12] ChromiumPerf/android-webview-nexus6/rasterize_and_record_micro.top_25/record_time/http___www.amazon.com
[13] ChromiumPerf/android-nexus5/rasterize_and_record_micro.top_25/record_time/Pinterest
[14] ChromiumPerf/chromium-rel-mac-retina/system_health.common_desktop/mousewheel_response:energy_sum/browse_social/browse_social_twitter_infinite_scroll

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Status: WontFix (was: Assigned)
This was just a test for a hackathon.

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