native vs typed js array speed

JavaScript performance comparison

Revision 97 of this test case created by Peter V

Preparation code

  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);

Benchmark.prototype.setup = function() {
  var sum = 0;


Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
empty loop
for (var i = 0; i < arraySize; ++i) {


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