native vs typed js array speed (v25)

Revision 25 of this benchmark created on

Preparation HTML

<script>
  var arraySize = 2000;
  var nativeArray = new Array(arraySize);
  var int8Array = new Int8Array(arraySize);
  var int16Array = new Int16Array(arraySize);
  var int32Array = new Int32Array(arraySize);
  var float32Array = new Float32Array(arraySize);
  var float64Array = new Float64Array(arraySize);

</script>

Setup

var sum = 0;

Test runner

Ready to run.

Testing in
TestOps/sec
Native Read
ready
Int32 Read
ready
Float32 Write
ready
Native Write
for (var j=5,i = 0; i < arraySize; ++i) {
  nativeArray[i] = (j*(12*i)+i)%/10;
}
ready
Int32 Write
for (var j=5,i = 0; i < arraySize; ++i) {
  int32Array[i] = (j*(12*i)+i)%/10;
}
ready
Float32 Read
ready
Int16 Write
ready
Int16 Read
ready
Int8 Write
ready
Int8 Read
ready
Alternative Native Write
ready
Float64 Read
ready
Float64 Write
ready

Revisions

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