Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:89.0) Gecko/20100101 Firefox/89.0
Firefox 89
Mac OS X 10.13
Desktop
3 years ago
Test name Executions per second
array reverse 82031.9 Ops/sec
typedArray reverse 66576.1 Ops/sec
array i/o 45559.7 Ops/sec
typedArray i/o 67477.4 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;