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Issue 903118 link

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Issue metadata

Status: Duplicate
Owner:
Closed: Dec 13
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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TimeToFirstPaint increases when enabling script resource controlled streaming

Project Member Reported by alexclarke@chromium.org, Nov 8

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=903118

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f72938c49adc30d4bd9ba64c7c573ad6166449cbf4e2a1a1d3e1cefcd97c4f23


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

Android Nexus5 Perf

system_health.common_mobile - Benchmark documentation link:
  https://bit.ly/system-health-benchmarks
Cc: leszeks@chromium.org
Owner: leszeks@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/13cfd11de40000

Reland "[blink] Control ScriptStreamer with ScriptResource" by leszeks@chromium.org
https://chromium.googlesource.com/chromium/src/+/dd9df78ccc1e1ac79a5657966a264562c6d03fb7
timeToFirstPaint: 1855 → 2577 (+721.1)

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

Benchmark documentation link:
  https://bit.ly/system-health-benchmarks
Mergedinto: 907145
Status: Duplicate (was: Assigned)
Summary: TimeToFirstPaint increases when enabling script resource controlled streaming (was: 38% regression in system_health.common_mobile at 601142:601184)

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