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Issue metadata

Status: Duplicate
Merged: issue 695394
Owner: ----
Closed: Feb 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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4.4%-24.8% regression in smoothness.tough_filters_cases at 451944:452221

Project Member Reported by m...@chromium.org, Feb 24 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 25 2017

Mergedinto: 695394
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : junov
  Commit : 9ac0ae9669662fadaf27f247d0c46d6e14e075fe
  Date   : Wed Feb 22 16:03:54 2017
  Subject: Simplify rate limiter logic in Canvas2DLayerBridge

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.tough_filters_cases
  Metric       : frame_times/http___web.archive.org_web_20150502135732_http___ie.microsoft.com_testdrive_Performance_Pirates_Default.html
  Change       : 17.21% | 41.7450801281 -> 48.9293210944

Revision             Result                   N
chromium@452027      41.7451 +- 0.615416      6      good
chromium@452068      42.1348 +- 1.09881       6      good
chromium@452070      42.2164 +- 1.29168       6      good
chromium@452071      49.249 +- 1.59387        6      bad       <--
chromium@452072      49.3861 +- 1.43567       6      bad
chromium@452076      49.216 +- 0.17998        6      bad
chromium@452083      49.7666 +- 1.35258       6      bad
chromium@452097      49.1074 +- 1.60831       6      bad
chromium@452167      48.9293 +- 1.10031       6      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...web.archive.org.web.20150502135732.http...ie.microsoft.com.testdrive.Performance.Pirates.Default.html smoothness.tough_filters_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8986733936462043440

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5287606994075648


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

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