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Issue 828286 link

Starred by 1 user

3.5%-6.9% regression in speedometer at 547155:547291

Project Member Reported by bmeurer@google.com, Apr 3 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Apr 3 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=828286

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3756dbaac13522187923e813a67f830d522c468ed9b3ff2f5419e0e50e04e060


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

chromium-rel-win7-x64-dual
chromium-rel-win8-dual

Comment 3 by hablich@chromium.org, Apr 10 2018

Components: Speed>Benchmarks
Owner: nednguyen@chromium.org
Status: Assigned (was: Untriaged)
The pinpoint build created an infra failure. Can you please fix this and reschedule a bisect?

Comment 4 by nednguyen@chromium.org, Apr 10 2018

Components: -Speed>Benchmarks Speed>Bisection
Owner: dtu@chromium.org

Comment 5 by dtu@chromium.org, Apr 10 2018 

Looks like fallout from  issue 828778 . This issue should be resolved, re-running...
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Apr 12 2018

Cc: a...@chromium.org lassey@chromium.org chengx@chromium.org mge...@chromium.org erikc...@chromium.org thakis@chromium.org chcunningham@chromium.org ellyjo...@chromium.org skia-chr...@skia-buildbots.google.com.iam.gserviceaccount.com nasko@chromium.org angle-sk...@skia-buildbots.google.com.iam.gserviceaccount.com liber...@chromium.org isherman@chromium.org csharrison@chromium.org mmenke@chromium.org
Owner: ellyjo...@chromium.org
📍 Found significant differences after each of 8 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/14babd5cc40000

Create a base net log for use before the request is created and hold the request's net log for use after the request completes by lassey@chromium.org
https://chromium.googlesource.com/chromium/src/+/6dddf0d60a153c049b22d2bd9688e889a3f62ff3

Update ThreadSpecific to use base::ThreadLocalStorage. by erikchen@chromium.org
https://chromium.googlesource.com/chromium/src/+/e87cffa68c3d964c61909b2ea31603ac05cf6af2

Roll skia/third_party/externals/angle2/ b1de5a7e6..b33972d4a (1 commit) by angle-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com
https://skia.googlesource.com/skia/+/59a41575079c3f738aa39c62ecd562daa6156987

Roll src/third_party/skia/ 97708e59c..c534808ba (3 commits) by skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com
https://chromium.googlesource.com/chromium/src/+/90180f083a6f5fb1112529cb5be78e47f299339b

Revert "Windows Native Notifications: UMA for settings." by chengx@chromium.org
https://chromium.googlesource.com/chromium/src/+/3d0cc288be00b92b4aef18974718ff46949dfeaa

Make MCVD / D3D11 VideoDecoders return POWER_EFFICIENT. by liberato@chromium.org
https://chromium.googlesource.com/chromium/src/+/1f34e49387d02f01035c942bea85a98c7982f826

Add Navigation.StartToCommit histograms. by csharrison@chromium.org
https://chromium.googlesource.com/chromium/src/+/702e026e628b7147396e263f780ebfe190f5845d

ui: use Mac-style accelerators on Mac by ellyjones@chromium.org
https://chromium.googlesource.com/chromium/src/+/f795ec64cc2c10fb371dea5f9c58fc7db1a59731

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

Comment 8 by thakis@chromium.org, Apr 12 2018 

Might be erikchen's change. (Or might be noise.)

Comment 9 by chcunningham@chromium.org, Apr 13 2018

Owner: erikc...@chromium.org
Agree, graph shows big jump with his commit. Elly's change is actually moving the other direction. 

Eric PTAL.

Comment 10 by mmenke@chromium.org, Apr 13 2018

Cc: -mmenke@chromium.org

Comment 11 by chengx@chromium.org, Apr 13 2018

Cc: -chengx@chromium.org
Project Member

Comment 12 by 42576172...@developer.gserviceaccount.com, Apr 15 2018 


Previous job on this bug failed due to https://github.com/catapult-project/catapult/issues/4393, retrying now that it's fixed.
Project Member

Comment 13 by 42576172...@developer.gserviceaccount.com, Apr 15 2018 

📍 Pinpoint job started.
https://chromeperf.appspot.com/job/16deae5ac40000
►

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