Run results for: EcmaScript6 Uint32Array vs regular JS array

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36 Edg/133.0.0.0

Browser: Chrome 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Plain JS array

9.4M/s

Uint32Array

8.2M/s

View exact numbers

Test name	Executions per second
✓ Plain JS array	9,365,976 Ops/sec
Uint32Array	8,229,927 Ops/sec

Script Preparation code:

var int32 = new Uint32Array(100);
var regular = [];

for(var i=0;i<100;i++){
  int32[i] = i;
  regular.push(i);
}

Tests: