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Issue 855494 link

Starred by 1 user
Status: Duplicate
Merged: issue 855472
Owner:
bokan@chromium.org
Closed: Jun 2018
Cc:
█ alexclarke@chromium.org
bokan@chromium.org
chrishtr@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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4.9%-11.2% regression in rasterize_and_record_micro.top_25 at 567897:567906

Project Member Reported by alexclarke@chromium.org, Jun 22 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jun 22 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=855494

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=19bc9645b07fdc1c29a6b70af8069828661cf204bdcb521628d5ec5cc9196221


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

android-nexus5
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 25 2018

Cc: bokan@chromium.org chrishtr@chromium.org
Owner: chrishtr@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/1074cddd240000

[BlinkGenPropertyTrees] Create and hookup visual viewport nodes by bokan@chromium.org
https://chromium.googlesource.com/chromium/src/+/5aed404b91a89bc3553f490400cc651c459c691d
1.004 → 1.116 (+0.1114)

De-virtualize LayoutBox::ShouldClipOverflow. by chrishtr@chromium.org
https://chromium.googlesource.com/chromium/src/+/cff6ac338d9d56e3d20039b154a004eda118f24e
1.113 → 1.105 (-0.008033)

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

Comment 4 by bokan@chromium.org, Jun 25 2018

Mergedinto: 855472
Owner: bokan@chromium.org
Status: Duplicate (was: Assigned)
chrishtr@'s patch looks more like noise. My patch caused a noticeable jump and is likely related to  issue 855472
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