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Issue 823450 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Oct 10
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.6%-78% regression in blink_perf.canvas at 543148:543293

Project Member Reported by m...@chromium.org, Mar 19 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Mar 19 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=823450

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e0061b49fdf122e9a0eae3c766a914a04c76650d6e2b01f07913fb935d0ab3e8


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

chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-mac12
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 20 2018

Cc: fmalita@chromium.org chrishtr@chromium.org wangxianzhu@chromium.org mtklein@chromium.org piman@chromium.org
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/11c77505440000

Allow HSW stages to detect FMAs opportunistically. by mtklein@chromium.org
https://chromium.googlesource.com/chromium/src/+/670c468885c8ca351af506db4f44d07b2f4e2acb

Reland "[SPv175] Enable SlimmingPaintV175 by default" by wangxianzhu@chromium.org
https://chromium.googlesource.com/chromium/src/+/3a3c78a924a686ed0d3f90d765b00cdd78453e11

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Blocking: 803867
Components: Blink>Paint
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Mar 26 2018

Cc: xlai@chromium.org junov@chromium.org
Owner: junov@chromium.org
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12b846e3440000

Fix synchronization bug in video to webgl texture upload by junov@chromium.org
https://chromium.googlesource.com/chromium/src/+/d1ec13c61c5dc35d003e691ceab84a103510f4d9

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Blocking: -803867
Components: -Blink>Paint Blink>Canvas
Cc: -junov@chromium.org
Owner: ----
Status: Available (was: Assigned)
Status: WontFix (was: Available)
Graphs recovered, long-term.

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