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Run results for:
Direct Array vs Typed Array vs Array read performances
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<iframe src="https://measurethat.net/Embed?id=621891" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.1
Device Platform:
Mobile
Date tested:
6 months ago
Test name
Executions per second
new TypedArray
1282.0 Ops/sec
new Array
246.0 Ops/sec
Direct Array
246.5 Ops/sec
Tests:
new TypedArray
let arr = new Float32Array(1000000); arr[0] = Math.random(); var sum = 0; for (let i = 0; i < 1000000; i++) { sum+= arr[i]; }
new Array
let arr = new Array(1000000); arr[0] = Math.random(); var sum = 0; for (let i = 0; i < 1000000; i++) { sum+= arr[i]; }
Direct Array
let arr = []; arr[0] = Math.random(); var sum = 0; for (let i = 0; i < 1000000; i++) { sum+= arr[i]; }