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Issue 729624 link

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Issue metadata

Status: Duplicate
Merged: issue 728471
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.3% regression in media.tough_video_cases_tbmv2 at 475452:475980

Project Member Reported by liberato@google.com, Jun 5 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=729624

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpvnLsAoM


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

chromium-rel-win7-gpu-nvidia
Mergedinto: 728471
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : nednguyen
  Commit : 24245dde6fc83c8881775a3d2556797f5bba287b
  Date   : Wed May 31 11:04:00 2017
  Subject: Always execute network_quiescence.js script upon navigating to a page

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : media.tough_video_cases_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:heap:old_space:allocated_objects_size_sum/memory:chrome:all_processes:reported_by_chrome:v8:heap:old_space:allocated_objects_size_sum
  Change       : 2.96% | 1778768.61111 -> 1831364.5

Revision                                 Result                  N
chromium@475451                          1778769 +- 7699.74      6      good
chromium@475716                          1778703 +- 7634.88      6      good
chromium@475848                          1780131 +- 192.195      6      good
chromium@475881                          1780081 +- 133.881      6      good
chromium@475890                          1780067 +- 137.017      6      good
chromium@475894                          1780039 +- 147.512      6      good
chromium@475896                          1780006 +- 136.965      6      good
chromium@475897                          1780111 +- 125.541      6      good
chromium@475897,catapult@24245dde6f      1831293 +- 74.9139      6      bad       <--
chromium@475898                          1831327 +- 115.759      6      bad
chromium@475914                          1831299 +- 103.021      6      bad
chromium@475980                          1831364 +- 129.561      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 media.tough_video_cases_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977606824709192928

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5789707801198592


| 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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