Benchmark: Filter unique, lodash vs Set vs filter()

HTML Preparation code:

<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js"></script>

Script Preparation code:

function filterUniq(arr){
	return arr.filter((i,p)=>{
      return arr.indexOf(i) == p
    }); 
}
function setUniq(arr){
	return [...new Set(arr)] 
}
var a = [1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5]

Tests:

Filter
var b = filterUniq(a)
Set
var b = setUniq(a)
lodash
var b = _.uniq(a)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Filter
Set
lodash

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: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36

Browser/OS: Chrome 109 on Windows

View result in a separate tab

Test name	Executions per second
Filter	2299437.0 Ops/sec
Set	1411882.0 Ops/sec
lodash	2800861.0 Ops/sec

Filter unique, lodash vs Set vs filter() (version: 0)

Comparing performance of: Filter vs Set vs lodash

Created: 5 years ago by: Guest

Jump to the latest result

Filter

Set

lodash

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A