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Issue 845917 link

Starred by 3 users
Status: Duplicate
Merged: issue 841807
Owner: ----
Closed: May 2018
Cc:
brianosman@google.com
sunyunjia@chromium.org
mtklein@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.2%-308.5% regression in smoothness.gpu_rasterization.tough_filters_cases at 559479:559697

Project Member Reported by sunyunjia@chromium.org, May 23 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, May 23 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=845917

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7fe715ea8fdd008aeea4c26298f44c54c0c9db7197b1460f3b2b8d137c1be890


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

chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-win7-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 23 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14f58612240000
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, May 23 2018

Cc: brianosman@google.com
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/169cae82240000

Switch to using skcms for ICC profile parsing by brianosman@google.com
https://chromium.googlesource.com/chromium/src/+/37233e3ead1353b890740347f7d58ff1c465231d

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

Comment 7 by 42576172...@developer.gserviceaccount.com, May 23 2018 

📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14c84f92240000

Switch to using skcms for ICC profile parsing by brianosman@google.com
https://chromium.googlesource.com/chromium/src/+/37233e3ead1353b890740347f7d58ff1c465231d

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

Comment 8 by brianosman@chromium.org, May 24 2018

Cc: mtklein@chromium.org

Comment 9 by mtklein@chromium.org, May 24 2018

Mergedinto: 841807
Status: Duplicate (was: Assigned)
Looks like the ~300% Windows regression was fixed by some other CL, and the Mac regressions are the same as 841807, which we've decided not to fix?
►

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