Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/73.0.3683.103 Chrome/73.0.3683.103 Safari/537.36
Chromium 73
Ubuntu
Desktop
5 years ago
Test name Executions per second
array reverse 961.7 Ops/sec
typedArray reverse 186564.5 Ops/sec
array i/o 459.6 Ops/sec
typedArray i/o 448.5 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;