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Issue 923383 link

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Issue metadata

Status: Assigned
Owner:
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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14%-55.8% regression in loading.desktop at 623484:623582

Project Member Reported by tdres...@chromium.org, Jan 18 (4 days ago)

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jan 18 (4 days ago)

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=923383

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=1ee7dc6cff17e8a90759ccc5317d9c0c9c2a1341e5f89c65343d973fa5ff423d


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

linux-perf
mac-10_12_laptop_low_end-perf
mac-10_13_laptop_high_end-perf

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

Comment 2 by 42576172...@developer.gserviceaccount.com, Jan 18 (4 days ago)

Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 18 (4 days ago)

Cc: rockot@google.com
Owner: rockot@google.com
Status: Assigned (was: Unconfirmed)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/11ff5cd2540000

[mojo] Per-message dispatch tasks by rockot@google.com
https://chromium.googlesource.com/chromium/src/+/471aa794bbb9e3a98542ee2135ea61ddf4bf87a3
timeToFirstContentfulPaint: 59.67 → 80.72 (+21.05)

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

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

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