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Run results for:
Array vs TypedArray vs f32 write performance
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<iframe src="https://measurethat.net/Embed?id=616761" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) EdgiOS/140.0.3485.52 Version/18.0 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 18
Operating system:
iOS 18.6.2
Device Platform:
Mobile
Date tested:
8 months ago
Test name
Executions per second
Array write
10828.4 Ops/sec
TypedArray write
19622.0 Ops/sec
f32
20183.4 Ops/sec
i32
12331.1 Ops/sec
Tests:
Array write
var array = new Array(100000).fill(0); for (let i=0; i<array.length; i++) { array[i] = array[i] + 1; }
TypedArray write
var typedArray = new Uint8Array(100000).fill(0); for (let i=0; i<typedArray.length; i++) { typedArray[i] = typedArray[i] + 1; }
f32
var typedArray = new Float32Array(100000).fill(0); for (let i=0; i<typedArray.length; i++) { typedArray[i] = typedArray[i] + 1; }
i32
var typedArray = new Uint32Array(100000).fill(0); for (let i=0; i<typedArray.length; i++) { typedArray[i] = typedArray[i] + 1; }