Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:107.0) Gecko/20100101 Firefox/107.0
Firefox 107
Mac OS X 10.15
Desktop
2 years ago
Test name Executions per second
array reverse 221434.0 Ops/sec
typedArray reverse 113610.2 Ops/sec
array i/o 85024.2 Ops/sec
typedArray i/o 141285.7 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;