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Issue 833742 link

Starred by 1 user
Status: WontFix
Owner:
h...@chromium.org
Closed: Apr 2018
Cc:
h...@chromium.org
thakis@chromium.org
toyoshim@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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4.7%-69.5% regression in thread_times.tough_compositor_cases at 550523:550714

Project Member Reported by toyoshim@chromium.org, Apr 17 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Apr 17 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=833742

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9c75ea84cb225155016d7c05abb21dbf29bdcec6c4309cfe85be0fb83ff5072b


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

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

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 17 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14f3af36c40000

Comment 5 by toyoshim@chromium.org, Apr 17 2018 

removed two cases that looked noise from the list, and kicked another bisect for one of remaining cases.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Apr 17 2018

Cc: h...@chromium.org thakis@chromium.org
Owner: h...@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/16a78a26c40000

Roll clang 328716:329921. by hans@chromium.org
https://chromium.googlesource.com/chromium/src/+/1f109d9c516640dda836493b24fd033da64411ff

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

Comment 7 by h...@chromium.org, Apr 18 2018

Status: WontFix (was: Assigned)
The graphs drop again in the #551357 - 551507 commit range.
►

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