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Issue 883787 link

Starred by 1 user
Status: Duplicate
Merged: issue 883740
Owner:
nedngu...@google.com
Closed: Sep 15
Cc:
npm@chromium.org
ericrk@chromium.org
oysteine@google.com
nedngu...@google.com
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.9%-26.7% regression in rendering.mobile at 589415:589432

Project Member Reported by npm@chromium.org, Sep 13 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Sep 13 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=883787

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3c2f9255a5de21b2a734abda566f999499c35c5c6b9b4c7156700cf0408ace2b


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

Android Nexus6 WebView Perf

rendering.mobile - Benchmark documentation link:
  https://bit.ly/rendering-benchmarks
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 13 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/16acd0d3640000
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Sep 13 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/17f7674b640000
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Sep 14

Cc: nedngu...@google.com oysteine@google.com ericrk@chromium.org
Owner: nedngu...@google.com
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 3 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/1570efa5640000

Reland "Enable Perfetto by default for all telemetry tests" by oysteine@google.com
https://chromium.googlesource.com/chromium/src/+/df5976ffb0d467838a97f6fe39a208208615b064
52.02 → 46.4 (-5.615)

Surface Synchronization: Enable by default on Android by ericrk@chromium.org
https://chromium.googlesource.com/chromium/src/+/5479bee2ba20c0527e19137d8056b539d30125d1
45.63 → No values

Disable Surface Synchronization on Webview by nednguyen@google.com
https://chromium.googlesource.com/chromium/src/+/a91df97e284e497ecf1222b4ada5af66306718a5
No values → 67.69

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

Benchmark documentation link:
  https://bit.ly/rendering-benchmarks

Comment 8 by nednguyen@chromium.org, Sep 15

Mergedinto: 883740
Status: Duplicate (was: Assigned)
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