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Issue 884336 link

Starred by 1 user
Status: Assigned
Owner:
█ uwyiming@chromium.org
Last visit > 30 days ago
Cc:
█ chromium...@skia-public.iam.gserviceaccount.com
npm@chromium.org
uwyiming@google.com
shend@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2%-29.2% regression in rendering.mobile at 590996:591277

Project Member Reported by npm@chromium.org, Sep 14 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Sep 14 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=884336

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=fe730f5d0dc19111fe2f097eabdb948d91f814f1fb1d40edf6c559ab33746ac1


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

Android Nexus5X WebView Perf
android-nexus5x-perf

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

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 15

Cc: chromium...@skia-public.iam.gserviceaccount.com shend@chromium.org
Owner: shend@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/1483e47b640000

Roll src/third_party/catapult 994bb1389b1d..5f6da8a57db1 (3 commits) by chromium-autoroll@skia-public.iam.gserviceaccount.com
https://chromium.googlesource.com/chromium/src/+/7b2b2dca23cca0862f674758c9a3933e685c27d5
37.05 → No values

Revert "Roll src/third_party/catapult 3e071665b9f9..c4d326feb2ff (5 commits)" by shend@chromium.org
https://chromium.googlesource.com/chromium/src/+/393391985b970fe0f33952d108f2470c8d1fdb83
No values → 47.35

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

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

Comment 5 by 42576172...@developer.gserviceaccount.com, Sep 17

Cc: uwyiming@google.com
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/11f10979640000

Reintroduce the DidCommitAndDrawCompositorFrame event. by uwyiming@google.com
https://chromium.googlesource.com/chromium/src/+/0f8836c2f30926602691d6a38c799b77c3194585
35.55 → 39.27 (+3.725)

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

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

Comment 6 by shend@chromium.org, Sep 17

Owner: uwyiming@chromium.org
Weird...I feel like this bisect is wrong. Assigning to uwyiming@, feel free to WontFix it if it doesn't look like it's caused by your patch.
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