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Issue 829477 link

Starred by 2 users
Status: WontFix
Owner:
pdr@chromium.org
Closed: Apr 2018
Cc:
pdr@chromium.org
fmea...@chromium.org
bokan@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.2%-4.2% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 548061:548154

Project Member Reported by fmea...@chromium.org, Apr 5 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Apr 5 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=829477

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b44ffc06ccc8005a015a9be4fa3a5d871cc578b6f35aa7c67af38b3e2d0382c8


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

android-nexus6
android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 6 2018

Cc: bokan@chromium.org pdr@chromium.org
Owner: pdr@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14f61968c40000

[CI] Make FrameIsScrollableDidChange return false when there's no change by pdr@chromium.org
https://chromium.googlesource.com/chromium/src/+/2ae7c2317f4f06daeb5201ac7f755db318d27528

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Comment 4 by pdr@chromium.org, Apr 6 2018

Status: WontFix (was: Assigned)
I think these must have been using stale state in ScrollingCoordinator and are now correctly recalculating that state :/

Comment 5 by sullivan@google.com, May 3 2018 

 Issue 829476  has been merged into this issue.
►

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