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Run results for:
Array filter vs Set delete
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0
Browser:
Firefox 138
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
9 months ago
Test name
Executions per second
Filter arr10
39760424.0 Ops/sec
Filter set10
63776312.0 Ops/sec
Filter arr1000
301378.7 Ops/sec
Filter set1000
96420704.0 Ops/sec
Filter arr1000000
302.3 Ops/sec
Filter set1000000
102126112.0 Ops/sec
Script Preparation code:
function arrayWithLength(length) { return Array(length).fill().map((_, i) => i); } var arr10 = arrayWithLength(10); var arr1000 = arrayWithLength(1000); var arr1000000 = arrayWithLength(1000000); var set10 = new Set(arr10); var set1000 = new Set(arr1000); var set1000000 = new Set(arr1000000);
Tests:
Filter arr10
arr10.filter(i => i === 5);
Filter set10
set10.delete(5);
Filter arr1000
arr1000.filter(i => i === 500);
Filter set1000
set1000.delete(500);
Filter arr1000000
arr1000000.filter(i => i === 500000);
Filter set1000000
set1000000.delete(500000);