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Issue 718221 link

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Issue metadata

Status: WontFix
Owner:
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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46% regression in media.android.tough_video_cases at 467880:467938

Project Member Reported by sande...@chromium.org, May 3 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=718221

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgsrSMtQoM


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

android-nexus5X
Cc: crouleau@chromium.org
Owner: crouleau@chromium.org

=== Auto-CCing suspected CL author crouleau@chromium.org ===

Hi crouleau@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : crouleau
  Commit : 4d623449fa0d8e402dea243355a411b7cdcffc5d
  Date   : Fri Apr 28 03:54:09 2017
  Subject: Remove support for canvas element in tough_video_cases.

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : media.android.tough_video_cases
  Metric       : decoded_video_bytes/tulip2.mp4
  Change       : 46.43% | 2842563.75 -> 4162263.0

Revision             Result                  N
chromium@467879      2842564 +- 16380.3      6      good
chromium@467880      4162263 +- 0.0          6      bad       <--
chromium@467881      4162263 +- 0.0          6      bad
chromium@467883      4162263 +- 0.0          6      bad
chromium@467887      4162263 +- 0.0          6      bad
chromium@467894      4162263 +- 0.0          6      bad
chromium@467909      4162263 +- 0.0          6      bad
chromium@467938      4162263 +- 0.0          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 media.android.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980574652539447616

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6667746915385344


| 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!
Status: WontFix (was: Untriaged)

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