Run details:
Mozilla/5.0 (Linux; Android 10; Pixel 2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Mobile Safari/537.36
Chrome Mobile 78
Android
Mobile
5 years ago
Test name Executions per second
array reverse 27644.6 Ops/sec
typedArray reverse 96651.2 Ops/sec
array i/o 268.5 Ops/sec
typedArray i/o 268.9 Ops/sec
Script Preparation code:
AخA
 
var a = [...Array(10000)].map(_ => Math.random());
var ta = (new Float64Array(10000)).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;