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Issue 889073 link

Starred by 2 users
Status: WontFix
Owner:
xidac...@chromium.org
Closed: Oct 1
Cc:
xidac...@chromium.org
lanwei@chromium.org
jbudorick@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.7%-47.1% regression in rendering.mobile/avg_surface_fps at 593294:593393

Project Member Reported by lanwei@chromium.org, Sep 25 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Sep 25 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=889073

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b9fe10b5a9e44122c92d119036106a63dca29f28770dccd24ea4072d95591b5c


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

Android Nexus5X WebView Perf
Android Nexus6 WebView Perf

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

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 25 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/126586c7640000

Comment 4 by dtu@chromium.org, Sep 26 

Kicking off a bisect on a wider range.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Sep 27

Cc: xidac...@chromium.org jbudorick@chromium.org
Owner: jbudorick@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/137193af640000

Promote PaintTouchActionRects to stable by xidachen@chromium.org
https://chromium.googlesource.com/chromium/src/+/45013dfcc8f928d8e95c94378393fa06272df868
0.5526 → 0.7639 (+0.2113)

Use vpython and remove vendored pymock. by jbudorick@chromium.org
https://chromium.googlesource.com/catapult/+/23c67a511280f6dbc2a2bea849dd7eed5104809e
0.8003 → No values

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

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

Comment 7 by jbudorick@chromium.org, Sep 27

Owner: xidac...@chromium.org
vpython CL was reverted.

Comment 8 by xidac...@chromium.org, Oct 1

Status: WontFix (was: Assigned)
The suspected CL has been reverted
►

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