Benchmark: unique elements in array using filter v2

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.js"></script>

Script Preparation code:

var elements = [1,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3,2,3,1,2,4,2,3,5,3]

Tests:

_.uniq
_.uniq(elements)
set
[...new Set(elements)]
uniq by filter
elements.filter((v, i, a) => a.indexOf(v) === i)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
_.uniq
set
uniq by filter

Fastest: N/A

Slowest: N/A

ⓘ Get performance results from real users on your website with Request Metrics.

Website Performance Monitoring by Request Metrics

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36

Browser/OS: Chrome 90 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
_.uniq	141896.8 Ops/sec
set	142201.9 Ops/sec
uniq by filter	158149.8 Ops/sec

unique elements in array using filter v2 (version: 0)

Comparing performance of: _.uniq vs set vs uniq by filter

Created: 2 years ago by: Guest

Jump to the latest result

_.uniq

set

uniq by filter

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A