Run results for: _.filter vs array filter - fork

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
large_number_set ---- _.filter	53.6 Ops/sec
large_number_set ---- array filter	31.9 Ops/sec
medium_number_set ---- _.filter	42904.1 Ops/sec
medium_number_set ---- array filter	289363.3 Ops/sec
small_number_set ---- _.filter	1358481.0 Ops/sec
small_number_set ---- array filter	8041146.0 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.20/lodash.core.min.js"></script>

Script Preparation code:

var small_number_set = Array(10).fill(0).map(_ => Math.floor(Math.random() * 1000));

var medium_number_set = Array(1000).fill(0).map(_ => Math.floor(Math.random() * 1000));

var large_number_set = Array(1000000).fill(0).map(_ => Math.floor(Math.random() * 1000));

Tests:

large_number_set ---- _.filter
_.filter(large_number_set, num => num % 3 === 0)
large_number_set ---- array filter
large_number_set.filter(num => num % 3 === 0)
medium_number_set ---- _.filter
_.filter(medium_number_set, num => num % 3 === 0)
medium_number_set ---- array filter
medium_number_set.filter(num => num % 3 === 0)
small_number_set ---- _.filter
_.filter(small_number_set, num => num % 3 === 0)
small_number_set ---- array filter
small_number_set.filter(num => num % 3 === 0)

Run results for: _.filter vs array filter - fork

large_number_set ---- _.filter

large_number_set ---- array filter

medium_number_set ---- _.filter

medium_number_set ---- array filter

small_number_set ---- _.filter

small_number_set ---- array filter