Run results for: EcmaScript6 Uint32Array vs regular JS array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Plain JS array

7.3M/s

Uint32Array

5.7M/s

View exact numbers

Test name	Executions per second
✓ Plain JS array	7,323,013 Ops/sec
Uint32Array	5,700,153 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: