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Issue 809532 link

Starred by 1 user
Status: WontFix
Owner:
█ xlai@chromium.org
Last visit > 30 days ago
Closed: Feb 2018
Cc:
dtseng@chromium.org
█ junov@chromium.org
█ xlai@chromium.org
dmazz...@chromium.org
█ kraynov@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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70.5%-71.3% regression in blink_perf.canvas at 533686:533871

Project Member Reported by kraynov@chromium.org, Feb 6 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Feb 6 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=809532

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=60092c9520c67e7ef9e7f6f899a1c739b5ae7cf2a219e36dd83a8d48298f64dc


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

chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-nvidia
linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 7 2018

Cc: xlai@chromium.org dmazz...@chromium.org dtseng@chromium.org junov@chromium.org
Owner: xlai@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/169554b1840000

Expose reverse relationships in the automation API. by dmazzoni@chromium.org
chromium @ a55fe78f801dbf3c10f34a665bb9673393f9e494

No eager creation of CanvasResourceProvider when canvas 2d bridge is created by xlai@chromium.org
chromium @ d507be380ff2dbbea2c5c2581d07c3d803221d41

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

Comment 4 by xlai@chromium.org, Feb 7 2018

Status: WontFix (was: Assigned)
This regression in at 533686:533871 is actually a revert of the improvement at 529306 - 529336. 

The CL r533820 is a partial revert of CL r529328. The performance just returns back to its original point before r529328.
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