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Issue 677429 link

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Issue metadata

Status: WontFix
Owner:
Last visit 20 days ago
Closed: Aug 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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23.8%-95.9% regression in blink_perf.bindings at 434665:439959

Project Member Reported by alexclarke@chromium.org, Dec 29 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=677429

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg37ygvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg77738wgM


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

android-nexus7v2
chromium-rel-win10
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 30 2016

Cc: fayang@chromium.org
Owner: fayang@chromium.org

=== PERF REGRESSION ===


=== Auto-CCing suspected CL author fayang@chromium.org ===

Hi fayang@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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


===== SUSPECTED CL(s) =====
Subject : Create a QUIC wrapper around scoped_refptr.
Author  : fayang
Commit description:
  
Merge internal change 142469678.

BUG=

Review-Url: https://codereview.chromium.org/2589983002
Cr-Commit-Position: refs/heads/master@{#439919}
Commit  : 0aa8bc296a1f61163afe103a8119561a7306410a
Date    : Tue Dec 20 23:21:25 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@439895  19.6034  1.37801  30  good
chromium@439908  19.3561  1.52889  25  good
chromium@439915  19.1455  2.96305  30  good
chromium@439918  17.8442  2.66138  25  good
chromium@439919  16.3963  1.93834  30  bad    <--
chromium@439920  15.4825  6.66531  30  bad
chromium@439921  16.4056  1.9252   30  bad
chromium@439947  15.2466  1.71468  30  bad

Bisect job ran on: android_nexus7_perf_bisect
Bug ID: 677429

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.bindings
Test Metric: id-setter/id-setter
Relative Change: 22.22%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/3569
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8991948559287830784


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5862616533041152

| 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!
Status: Assigned (was: Untriaged)
Cc: jbroman@chromium.org
Status: WontFix (was: Assigned)
This went unaddressed and is now 8 months old; doesn't look like there's much we can do about it at this point.

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