Script Preparation code:
x
 
var size = 1024;
var buffer = new ArrayBuffer(size);
var bytes = new Uint8Array(buffer);
var dv = new DataView(buffer);
for (var i = 0; i < size; i++)
  dv.setUint8(i, Math.ceil(Math.random() * 255));
  
Tests:
  • DataView

     
    for (var i = 0; i < size; i++)
      dv.getUint8(i);
  • Uint8Array

     
    for (var i = 0; i < size; i++)
      bytes[i];
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    DataView
    Uint8Array

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one month ago)
Mozilla/5.0 (X11; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0
Firefox 136 on Linux
View result in a separate tab
Test name Executions per second
DataView 1513407.9 Ops/sec
Uint8Array 1317286.8 Ops/sec