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Issue metadata

Status: Duplicate
Merged: issue 731841
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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14.8%-21.7% regression in media.android.tough_video_cases at 477462:477598

Project Member Reported by chcunningham@chromium.org, Jun 9 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 10 2017

Mergedinto: 731841
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Dale Curtis
  Commit : 24fca6fb8a70b95cae28843751485529e02378c0
  Date   : Wed Jun 07 03:50:37 2017
  Subject: Enable parallel decode requests for VpxVideoDecoder when offloading.

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : media.android.tough_video_cases
  Metric       : vm_private_dirty_delta/crowd1080_vp9.webm_renderer
  Change       : 21.62% | 46341.3333333 -> 56360.0

Revision             Result                  N
chromium@477510      46341.3 +- 211.862      6      good
chromium@477532      46383.3 +- 239.494      6      good
chromium@477535      46366.7 +- 213.666      6      good
chromium@477536      46322.7 +- 156.222      6      good
chromium@477537      56316.0 +- 265.27       6      bad       <--
chromium@477538      56351.3 +- 181.321      6      bad
chromium@477543      56312.7 +- 81.666       6      bad
chromium@477554      56366.7 +- 288.537      6      bad
chromium@477598      56360.0 +- 235.083      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/8977233618131987616

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6423660778225664


| 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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