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JS/AS2 simple Benchmark Tool

/ Published in: JavaScript
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Just a simple benchmark utility, working both in AS2 & JS.

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  1. // IRR Bencher
  2. /**
  3.   * @param f function to test
  4.   * @param i iterations count (default is 10000)
  5.   * @param n number of tests (default is 10)
  6.   * @param a args
  7.   * @param l label -- not implemented yet
  8.  */
  9. function Bencher(f, i, n, a, l){
  10.     i = i||10000;
  11.     n = n||10;
  12.     l = l||'#test#';
  13.     var e=-1, k=-1, t=0;
  14.     var ar=[];
  15.  
  16.     while(++e<n){
  17.         k = -1;
  18.         t = getTimer();
  19.         while(++k<i){
  20.             a ? f.apply(null,a): f();
  21.         }
  22.         ar[e] = getTimer() - t;
  23.     }
  24.     return avg(ar)+' ms ';
  25. }
  26.  
  27. //check DOM Existance
  28. if(document){
  29. 	var trace = function(v){ document.writeln(v+'<br>')};
  30. 	var getTimer = function(){
  31.        var _time = new Date();
  32.        return parseFloat(_time.valueOf());
  33. 	}
  34. }
  35. // count average
  36. function avg(a){
  37. 	var s = 0;
  38. 	for(var i in a)s+=a[i];
  39. 	return s/a.length;
  40. }
  41.  
  42.  
  43. // SIMPLE TESTS
  44. var bms =
  45. [
  46. Bencher(function(){var a=[];}),
  47. Bencher(function(){var a={};}),
  48. Bencher(function(){var a=new Array;}),
  49. Bencher(function(){var a=new Object;}),
  50. Bencher(function(){var a=Math.random();})
  51. ];
  52. trace(bms);
  53.  
  54.  
  55.  
  56. // HTML CODE 
  57. /*
  58. <html>
  59. <head>
  60. <script src="Bencher-jsas.js"></script>
  61. </head>
  62. <body>
  63. </body>
  64. </html>
  65. */

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