Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    number = 1;
    
    function pow(n, x){
      var res=1, i;
      for(i = 0; i < x; i++){
        res *= n;
      }
      return res;
    }
    
    function pow_squaring(n, x){
      var r = 1;
      while(x > 1){
        if(x % 2 === 0) { n*=n; x/=2; }
        else { r*=n; x--; }
      }
      return n*r;
    }
  };

  Benchmark.prototype.teardown = function() {
    number = 1;
  };
</script>

Test runner

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for(e=0; e < 10000; e++)
    pow(number++, e);

for(e=0; e < 10000; e++)
    pow_squaring(number++, e)

for(e=0; e < 10000; e++)
    Math.pow(number++, e)

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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 on 10th November 2011
• Revision 2: published on 10th November 2011 and last updated on 11th November 2011
• Revision 3: published on 11th November 2011
• Revision 4: published by 4esn0k on 15th January 2013

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