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Issue 766616 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner: ----
Closed: Dec 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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42.7% improvement in loading.desktop at 495063:499461

Project Member Reported by alexclarke@chromium.org, Sep 19 2017

Issue description

Suspiciously large improvement, could this be a bug?
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Sep 19 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=766616

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=9dd6f812918deb5826f5e3e7182ca4c559d4a9ffb6ae6765415386bc1fb2efba


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

chromium-rel-win10
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 19 2017


=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : loading.desktop
  Metric       : cpuTimeToFirstMeaningfulPaint_avg/pcv1-warm/uol.com.br

Revision             Result                 N
chromium@495062      96.3871 +- 13.181      21      good

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=uol.com.br loading.desktop

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8968029881492653424


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)
Bisect unable to find culprit, this regression exists in stable. Ignoring.

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