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Issue 715830 link

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Issue metadata

Status: Duplicate
Merged: issue 713581
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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55.3% improvement in v8.runtimestats.browsing_mobile_classic at 463746:463885

Project Member Reported by samans@chromium.org, Apr 26 2017

Issue description

See the link to graphs below.
 

Comment 1 by samans@chromium.org, Apr 26 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=715830

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgou3_uAoM


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

android-nexus5
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 27 2017

Mergedinto: 713581
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : mcasas
  Commit : 44e0ad0c40c920ab5259514c5ea262c8bd7cd5a5
  Date   : Wed Apr 12 01:23:16 2017
  Subject: Image Capture: replace OriginTrialEnable with RuntimeEnable and mark it 'stable'

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-total_max/browse_social/browse_social_twitter
  Change       : 18.15% | 55.3706428571 -> 45.3233571429

Revision             Result                  N
chromium@463745      55.3706 +- 10.476       14      good
chromium@463815      56.1363 +- 9.6488       14      good
chromium@463850      55.1324 +- 10.0806      9       good
chromium@463868      56.7836 +- 2.3478       9       good
chromium@463873      57.0998 +- 3.43575      6       good
chromium@463874      54.5381 +- 9.56529      9       good
chromium@463875      35.746 +- 36.1493       6       bad       <--
chromium@463877      49.9605 +- 1.34832      6       bad
chromium@463885      45.3234 +- 45.6194      14      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 --story-filter=browse.social.twitter v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981207848777691920

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5894292226179072


| 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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