Run results for: Create array vs Int32Array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0

Browser: Chrome 141

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Array

110K/s

Int32Array

64K/s

View exact numbers

Test name	Executions per second
✓ Array	109,735 Ops/sec
Int32Array	63,902 Ops/sec

Tests:

Int32Array
const buffer = new ArrayBuffer(512); const view = new DataView(buffer); for (let i = 0; i < 1000; i++) { const a = new Int32Array(buffer, 0, 4); }
Array
const buffer = new ArrayBuffer(512); const view = new DataView(buffer); for (let i = 0; i < 1000; i++) { const a = [] for (let j = 0; j < 4; j++) { a.push(view.getInt32(j * 4, true)); } }