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Issue metadata

Status: Duplicate
Merged: issue 737981
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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8.9% regression in smoothness.gpu_rasterization.tough_filters_cases at 482897:482907

Project Member Reported by tdres...@chromium.org, Jun 28 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=737705

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgror5vQsM


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

android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 30 2017

Mergedinto: 737981
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Christopher Cameron
  Commit : 1894d423068be735560e0171922c833c4091b5d1
  Date   : Wed Jun 28 06:31:03 2017
  Subject: color: Enable color correct rendering by default

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.tough_filters_cases
  Metric       : frame_times/Filter Terrain SVG
  Change       : 9.44% | 26.6547360575 -> 29.1706136564

Revision             Result                   N
chromium@482896      26.6547 +- 0.57192       6      good
chromium@482902      26.7653 +- 0.886254      6      good
chromium@482903      26.674 +- 0.784771       6      good
chromium@482904      29.2721 +- 0.666417      6      bad       <--
chromium@482905      28.9237 +- 0.402803      6      bad
chromium@482907      29.1706 +- 0.472405      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Filter.Terrain.SVG smoothness.gpu_rasterization.tough_filters_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8975514390559177696


For feedback, file a bug with component Speed>Bisection

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