Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0
Firefox 136
Linux
Desktop
14 days ago
Test name Executions per second
array reverse 1043557.4 Ops/sec
typedArray reverse 3037005.0 Ops/sec
array i/o 10571.8 Ops/sec
typedArray i/o 12264.7 Ops/sec
Script Preparation code:
AخA
 
var a = [...Array(1000)].map(_ => Math.random());
var ta = (new Float32Array(1000)).map(_ => Math.random());
Tests:
  • array reverse

     
    a.reverse();
  • typedArray reverse

     
    ta.reverse();
  • array i/o

     
    for (let i = 0; i < 10000; ++i)
      a[i] = a[i] + 1;
  • typedArray i/o

     
    for (let i = 0; i < 10000; ++i)
      ta[i] = ta[i] + 1;