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Issue metadata

Status: Duplicate
Merged: issue 728703
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.2%-1.8% regression in media.tough_video_cases_tbmv2 at 475332:475368

Project Member Reported by tebbi@chromium.org, Jun 14 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 14 2017

Mergedinto: 728703
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : thakis
  Commit : 5ea5799ced8c179ee57cf877d370e763e76d819c
  Date   : Mon May 29 15:14:30 2017
  Subject: Revert of Changing default Windows compiler to VS2017 (patchset #1 id:1 of https://codereview.chromium.org/2877993002/ )

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_os:system_memory:proportional_resident_size_min/video.html?src_tulip2.mp3_type_audio_seek
  Change       : 1.27% | 40984384.3333 -> 41506032.1667

Revision             Result                  N
chromium@475339      40984384 +- 322750      6      good
chromium@475347      40959724 +- 270536      6      good
chromium@475351      40966192 +- 293268      6      good
chromium@475353      40970078 +- 407336      6      good
chromium@475354      41659538 +- 342921      6      bad       <--
chromium@475368      41506032 +- 292589      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.mp3.type.audio.seek media.tough_video_cases_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976808910448214160

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5839146129555456


| 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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