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Issue 855474 link

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Issue metadata

Status: Duplicate
Owner:
Closed: Jun 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.1%-13.3% regression in smoothness.top_25_smooth at 568534:568660

Project Member Reported by alexclarke@chromium.org, Jun 22 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jun 22 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=855474

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3b5ca62056a0a8fd4d90e934666d4e6d9dbeea2391806fb00e6cba6c68f7c26b


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

android-nexus5X
android-webview-nexus6
linux-perf
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 23 2018

Cc: chaopeng@chromium.org
Owner: chaopeng@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12c78753240000

Set TouchStartExpectedSoon only after we seen a blocking event by chaopeng@chromium.org
https://chromium.googlesource.com/chromium/src/+/4a2ebc8dad89ca0042d0babd619f4ea35e3ac072
15.62 → 16.84 (+1.215)

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Mergedinto: 855443
Status: Duplicate (was: Assigned)

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