Info

Compares speedr.js iterators to normal object iteration.

All functions are designed so that they end up with two local variables, k and v, which correspond to key, value pairs.

Preparation code

<script src="https://raw.github.com/genericdave/speedr.js/master/speedr.js">
</script>
<script>
  Benchmark.prototype.setup = function() {
    var obj = {};
    var map = new speedr.Map();
    
    for (i = 0; i <= 1000; i++) {
      iS = i.toString();
      obj[iS] = iS;
      map.set([iS, iS]);
    }
  };
</script>

Test runner

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var counter = 0;
for (k in obj) {
  var v = obj[k];
  counter++;
}

var counter = 0;
map.each(function(k, v) {
  counter++;
});

var counter = 0;
for (var i = 0; i < map.length; i++) {
  var ref = map.iter(i);
  var k = ref[0];
  var v = ref[1];
  counter++;
}

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published by genericdave on 2nd May 2012
• Revision 2: published by genericdave on 13th May 2012
• Revision 4: published on 13th December 2012
• Revision 5: published by Alex on 22nd January 2013

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