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Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 705616
Owner:
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.7%-5.2% regression in media.tough_video_cases at 459528:459639

Project Member Reported by wolenetz@chromium.org, Apr 10 2017

Issue description

Alerts seem valid.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 11 2017

Mergedinto: 705616
Status: Duplicate (was: Assigned)

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

Suspected Commit
  Author : hubbe
  Commit : 83bbe324e42ebe5b1205d6caeb1ea4149bad31f1
  Date   : Fri Mar 24 21:48:44 2017
  Subject: Buffer 2 seconds of data in the ffmpeg demuxer.

Bisect Details
  Configuration: mac_pro_perf_bisect
  Benchmark    : media.tough_video_cases
  Metric       : vm_resident_set_size_delta_size/crowd1080.ogv_renderer
  Change       : 4.10% | 75229.3333333 -> 78315.6666667

Revision             Result                  N
chromium@459552      75229.3 +- 1425.83      6      good
chromium@459562      75283.3 +- 1608.33      6      good
chromium@459564      75367.3 +- 1398.15      6      good
chromium@459565      78706.3 +- 1391.25      6      bad       <--
chromium@459567      78230.3 +- 325.09       6      bad
chromium@459572      78652.0 +- 1520.89      6      bad
chromium@459592      79097.7 +- 1953.51      6      bad
chromium@459632      78315.7 +- 394.922      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests media.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982671125838308352

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5077060566908928


| 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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