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Issue metadata

Status: Duplicate
Merged: issue 599867
Owner:
Closed: Apr 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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13.8%-19.7% regression in blink_perf.parser at 384207:384216

Project Member Reported by majidvp@chromium.org, Apr 1 2016

Issue description

See the link to graphs below.
 
Mergedinto: 599867
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Replace all occurrences of RELEASE_ASSERT in wtf with CHECK.
Author  : kotenkov
Commit description:
  
BUG= 596760 

Review URL: https://codereview.chromium.org/1840163002

Cr-Commit-Position: refs/heads/master@{#384213}
Commit  : d181f524c11e0d456bc48261334beda61e6f852c
Date    : Thu Mar 31 07:41:16 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@384206         72.604633   0.486224    5           good
chromium@384211         72.32214    1.426271    5           good
chromium@384212         73.369679   1.478197    5           good
chromium@384213         59.582416   0.701343    5           bad         <-
chromium@384214         59.694857   3.190111    5           bad
chromium@384216         59.882727   1.488586    5           bad

Bisect job ran on: android_nexus5_perf_bisect
Bug ID: 599984

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests blink_perf.parser
Test Metric: query-selector-all-class-deep/query-selector-all-class-deep
Relative Change: 17.52%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5_perf_bisect/builds/3548
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9016549307466302288


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=599984

| 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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