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Issue 763272 link

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Issue metadata

Status: Duplicate
Merged: issue 763406
Owner: ----
Closed: Sep 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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48.7%-60.5% regression in smoothness.tough_animation_cases at 499922:500098

Project Member Reported by rmcilroy@chromium.org, Sep 8 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=763272

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=735fbed55275f9860ebe116eb2941751bfc49d9dc4696dde0480b973350b31fb


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

chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-intel
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
linux-release

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

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : smoothness.tough_animation_cases
  Metric       : frame_times/compositor_heavy_animation.html?N_0200

Revision             Result                  N
chromium@500003      31.4355 +- 9.34787      21      good
chromium@500091      31.1603 +- 10.5818      21      bad

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=compositor.heavy.animation.html.N.0200 smoothness.tough_animation_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969038793315156272


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

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

Mergedinto: 763406
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Xida Chen
  Commit : 8d1900b0fd708cbe8b298a4f5d8a4cb566007255
  Date   : Wed Sep 06 19:19:19 2017
  Subject: Manually revert: cc: Support ClipRRect in SolidColorAnalyzer

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : smoothness.tough_animation_cases
  Metric       : frame_times/compositor_heavy_animation.html?N_0200
  Change       : 40.31% | 49.7768477439 -> 69.8443838028

Revision             Result                   N
chromium@499945      49.7768 +- 2.01121       6      good
chromium@500029      49.9693 +- 0.887755      6      good
chromium@500035      50.3537 +- 2.46323       6      good
chromium@500036      70.4022 +- 1.79467       6      bad       <--
chromium@500037      69.7893 +- 2.60823       6      bad
chromium@500038      69.4801 +- 3.46288       6      bad
chromium@500040      69.3267 +- 4.4699        6      bad
chromium@500050      70.2925 +- 3.97284       6      bad
chromium@500071      71.0225 +- 2.55164       6      bad
chromium@500113      69.8444 +- 3.94452       6      bad

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=compositor.heavy.animation.html.N.0200 smoothness.tough_animation_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8968650206579684176


For feedback, file a bug with component Speed>Bisection

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