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Issue metadata

Status: Duplicate
Merged: issue 729224
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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8.2% regression in smoothness.gpu_rasterization.tough_filters_cases at 476275:476372

Project Member Reported by kouhei@google.com, Jun 7 2017

Issue description

See the link to graphs below.
 

Comment 1 by kouhei@google.com, Jun 7 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=730544

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxuWjtAsM


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

android-nexus7v2
Mergedinto: 729224
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Robert Phillips
  Commit : 8bf1f9ffcf4b0168a1a05399eb0ed4e5e04eab80
  Date   : Wed May 31 23:12:39 2017
  Subject: Disable deferred proxies for M60 branch

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.tough_filters_cases
  Metric       : frame_times/http___letmespellitoutforyou.com_samples_svg_filter_terrain.svg
  Change       : 7.69% | 48.7657262213 -> 52.5153497431

Revision                             Result                   N
chromium@476274                      48.7657 +- 0.752849      6      good
chromium@476281                      48.8722 +- 0.510174      6      good
chromium@476284                      48.9442 +- 0.898048      6      good
chromium@476286                      48.8951 +- 0.175317      6      good
chromium@476286,skia@8bf1f9ffcf      52.6614 +- 0.386957      6      bad       <--
chromium@476286,skia@823103384c      52.5732 +- 0.221164      6      bad
chromium@476286,skia@c5a073d031      52.6186 +- 0.495381      6      bad
chromium@476287                      52.5575 +- 0.296738      6      bad
chromium@476299                      52.7584 +- 0.269542      6      bad
chromium@476323                      52.6498 +- 0.436478      6      bad
chromium@476372                      52.5153 +- 0.423445      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.gpu_rasterization.tough_filters_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977449959460736864

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5849518039367680


| 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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