native vs typed js array speed (v3)

Revision 3 of this benchmark created by Minkben on

Preparation HTML

<script>
  var arraySize = 10000;
  
  var typedArray = new Int32Array(4 * arraySize);
  var nativeArray = new Array(arraySize);
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
Native array
//Write
for (var i = 0; i < arraySize; i++) {
 nativeArray[i] = 0;
}

//Read
for (var i = 0; i < arraySize; i++) {
 var value = nativeArray[i];
}
ready
Typed array
//Write
for (var i = 0; i < arraySize; i++) {
 typedArray[i] = 0;
}

//Read
for (var i = 0; i < arraySize; i++) {
 var value = typedArray[i];
}
ready

Revisions

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