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Issue 693050 link

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Issue metadata

Status: Duplicate
Merged: issue 692936
Owner: ----
Closed: Feb 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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19.9% regression in smoothness.tough_filters_cases at 450439:450551

Project Member Reported by alexclarke@chromium.org, Feb 16 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=693050

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguMaX7QoM


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

android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 16 2017

Mergedinto: 692936
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Matt Sarett
  Commit : 8572d853514e3c73077540341edbf62a3f486605
  Date   : Tue Feb 14 17:50:52 2017
  Subject: Make raster pipeline support all pixel conversions

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.tough_filters_cases
  Metric       : frame_times/http___letmespellitoutforyou.com_samples_svg_filter_terrain.svg
  Change       : 18.36% | 73.3217076193 -> 86.7810153824

Revision                             Result                  N
chromium@450438                      73.3217 +- 2.78693      6      good
chromium@450467                      72.3567 +- 1.45065      6      good
chromium@450469                      72.5789 +- 1.94084      6      good
chromium@450469,skia@4bf560a056      73.2705 +- 2.06414      6      good
chromium@450469,skia@8572d85351      85.5558 +- 4.24547      6      bad       <--
chromium@450470                      85.3672 +- 5.38437      6      bad
chromium@450471                      86.7154 +- 4.6722       6      bad
chromium@450474                      86.3318 +- 4.31024      6      bad
chromium@450481                      86.0499 +- 5.37023      6      bad
chromium@450495                      88.9221 +- 5.80754      6      bad
chromium@450551                      86.781 +- 6.06823       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...letmespellitoutforyou.com.samples.svg.filter.terrain.svg smoothness.tough_filters_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987496824555516688

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5334870802300928


| 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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