Run details:
Mozilla/5.0 (Linux; Android 11; SM-N770F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.91 Mobile Safari/537.36
Chrome Mobile 90
Android
Mobile
3 years ago
Test name Executions per second
array reverse 33421.1 Ops/sec
typedArray reverse 102297.1 Ops/sec
array i/o 232.9 Ops/sec
typedArray i/o 229.3 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;