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Issue 774098 link

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Issue metadata

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



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6.7% regression in smoothness.tough_canvas_cases at 507387:507444

Project Member Reported by primiano@chromium.org, Oct 12 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 12 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=774098

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=674e3306c3a6cef0b7461e83bf63f92892f2c9b5334accdabbf9741d1850525e


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

android-nexus5
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Oct 12 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/http___ie.microsoft.com_testdrive_Graphics_VideoCity_Default.html

Revision             Result                  N
chromium@507386      93.02 +- 3.83697        21      good
chromium@507444      93.4451 +- 3.95035      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...ie.microsoft.com.testdrive.Graphics.VideoCity.Default.html smoothness.tough_canvas_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965932193799078912


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Oct 12 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : smoothness.tough_canvas_cases
  Metric       : frame_times/http___ie.microsoft.com_testdrive_Graphics_VideoCity_Default.html

Revision             Result                  N
chromium@507386      93.1695 +- 3.67482      18      good
chromium@507444      93.1239 +- 4.45878      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...ie.microsoft.com.testdrive.Graphics.VideoCity.Default.html smoothness.tough_canvas_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965928464291109888


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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