native vs typed js array speed

JavaScript performance comparison

Revision 9 of this test case created by

Preparation code

<script>
  var arraySize = 10000, s, v;

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

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Native array
//Write
s = arraySize;
while (s--) {
 nativeArray[s] = 0;
}

//Read
s = arraySize;
while (s--) {
 v = nativeArray[s];
}
pending…
Typed array
//Write
s = arraySize;
while (s--) {
 typedArray[s] = 0;
}

//Read
s = arraySize;
while (s--) {
 v = typedArray[s];
}
pending…

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