Run results for: Instantiation of ArrayBuffer vs Normal

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0

Browser: Firefox 145

Operating system: Linux

Device Platform: Desktop

Date tested: 9 months ago

Benchmark engine: Benchmark.js

Uint32

718.9M/s

Normal

674.1M/s

Uint32Array

20K/s

View exact numbers

Script Preparation code:

var last = 100000;

Tests:

Uint32
for (let i; i < last; i++) { const x = new ArrayBuffer(4); const y = new Uint32Array(x); y[0] = 16777215; }
Normal
for (let i; i < last; i++) { var y = 16777215; }
Uint32Array
const x = new ArrayBuffer(4 * last); const y = new Uint32Array(x); last = y.length; for (let i; i < last; i++) { y[0] = 16777215; }