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Issue metadata

Status: Duplicate
Merged: issue 605100
Owner:
Closed: Apr 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.7% regression in page_cycler.intl_ar_fa_he at 388170:388181

Project Member Reported by toyoshim@chromium.org, Apr 22 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=605837

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpPTjowoM


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

linux-release
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Apr 22 2016

Mergedinto: 605100
Status: Duplicate (was: Assigned)

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : bindings: Makes the window object be the inner global object.
Author  : yukishiino
Commit description:
  
Removes the hidden prototypes from the window and
worker/worklet objects.  Makes these global objects be
the inner global object.

BUG= 587393 

Review URL: https://codereview.chromium.org/1858613002

Cr-Commit-Position: refs/heads/master@{#388170}
Commit  : 7aff51476ff48588879709275a3c363c6114e085
Date    : Tue Apr 19 09:19:35 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@388169         46477.8     104.872303  5           good
chromium@388170         47624.8     237.240806  5           bad         <-
chromium@388171         47706.0     326.604501  5           bad
chromium@388172         47773.2     292.305833  5           bad
chromium@388175         47663.4     328.171144  5           bad
chromium@388181         47736.2     501.557275  5           bad

Bisect job ran on: linux_perf_bisect
Bug ID: 605837

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests page_cycler.intl_ar_fa_he
Test Metric: vm_private_dirty_final_renderer/vm_private_dirty_final_renderer
Relative Change: 2.71%
Score: 99.8

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6449
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9014705367788166256


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=605837

| 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 Tests>AutoBisect.  Thank you!

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