Script Preparation code:
AخA
 
var last = 100000;
Tests:
  • Uint32

     
    for (let i; i < last; i++) {
        const x = new ArrayBuffer(4);
        const y = new Uint32Array(x);
        y[0] = 255;
    }
  • Normal

     
    for (let i; i < last; i++) {
        var y = 255;
    }
  • Uint32Array

     
    const x = new ArrayBuffer(4 * last);
    const y = new Uint32Array(x);
    last = y.length;
    for (let i; i < last; i++) {
        y[0] = 255;
    }
  • Uint8Array

     
    const x = new ArrayBuffer(last);
    const y = new Uint8Array(x);
    for (let i; i < last; i++) {
        y[0] = 255;
    }
  • Uint8Array (maybe faster due to garbage collector)

     
    for (let i; i < last; i++) {
        const x = new ArrayBuffer(1);
        const y = new Uint8Array(x);
        y[0] = 255;
    }
  • Number

     
    for (let i; i < last; i++) {
        var y = Number(255);
    }
  • Instantiation Number

     
    for (let i; i < last; i++) {
        var y = new Number(255);
    }
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    Uint32
    Normal
    Uint32Array
    Uint8Array
    Uint8Array (maybe faster due to garbage collector)
    Number
    Instantiation Number

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 20 days ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Chrome 134 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
Uint32 85373024.0 Ops/sec
Normal 85390544.0 Ops/sec
Uint32Array 34818.4 Ops/sec
Uint8Array 106830.5 Ops/sec
Uint8Array (maybe faster due to garbage collector) 82938608.0 Ops/sec
Number 83280696.0 Ops/sec
Instantiation Number 82855008.0 Ops/sec