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Run results for: uniq vs uniqBy vs Set

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
Chrome 101
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
uniq 100 241749.3 Ops/sec
uniqBy 100 236622.5 Ops/sec
Set 100 420157.2 Ops/sec
uniq 1000 27393.0 Ops/sec
uniqBy 1000 24571.0 Ops/sec
Set 1000 32117.9 Ops/sec
uniq 10000 2713.6 Ops/sec
uniqBy 10000 1613.7 Ops/sec
Set 10000 3117.2 Ops/sec
HTML Preparation code:
​x
 
1
​
2
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>
Script Preparation code:
 
function createlist(size) {
    return Array.from(Array(size)).map(() => Math.floor(Math.random() * size));
}
​
var list100 = createlist(100);
var list1000 = createlist(1000);
var list10000 = createlist(10000);
​
var identity = item => item;
Tests:

  • uniq 100

     
    var uniq1 = _.uniq(list100);

  • uniqBy 100

     
    var uniq2 = _.uniqBy(list100, identity);

  • Set 100

     
    var uniq3 = Array.from(new Set(list100));

  • uniq 1000

     
    var uniq1 = _.uniq(list1000);

  • uniqBy 1000

     
    var uniq2 = _.uniqBy(list1000, identity);

  • Set 1000

     
    var uniq3 = Array.from(new Set(list1000));

  • uniq 10000

     
    var uniq1 = _.uniq(list10000);

  • uniqBy 10000

     
    var uniq2 = _.uniqBy(list10000, identity);

  • Set 10000

     
    var uniq3 = Array.from(new Set(list10000));