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Run results for:
Array vs Float32Array vs Float64Array multiplication
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=519083" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 121
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
Test name
Executions per second
Plain array
137.9 Ops/sec
Float32 Array
107.1 Ops/sec
Float64 Array
104.3 Ops/sec
Script Preparation code:
const len = 16384; window.len = len; window.arr = new Array(len); window.f32 = new Float32Array(len); window.f64 = new Float64Array(len); for (let i = 0; i < len; i++) { window.arr[i] = Math.random() * 2048; window.f32 = Math.fround(window.arr[i]); window.f64 = window.arr[i]; }
Tests:
Plain array
let a = 0; for (let i = 1; i < window.len; i++) { a = window.arr[i] * window.arr[i - 1]; }
Float32 Array
let a = 0; for (let i = 1; i < window.len; i++) { a = window.f32[i] * window.f32[i - 1]; }
Float64 Array
let a = 0; for (let i = 1; i < window.len; i++) { a = window.f64[i] * window.f64[i - 1]; }