Posted By

irrevokable on 04/30/10

Tagged

javascript

Versions (?)

Last Edited at 04/30/10 08:20am

Statistics

Viewed 436 times

Favorited by 0 user(s)

Related snippets

JS/AS2 simple Benchmark Tool

/ Published in: JavaScript

Just a simple benchmark utility, working both in AS2 & JS.

Highlighted TextExpand

// IRR Bencher
/**
  * @param f function to test
  * @param i iterations count (default is 10000)
  * @param n number of tests (default is 10)
  * @param a args
  * @param l label -- not implemented yet
 */
function Bencher(f, i, n, a, l){
    i = i||10000;
    n = n||10;
    l = l||'#test#';
    var e=-1, k=-1, t=0;
    var ar=[];
	
    while(++e<n){
        k = -1;
        t = getTimer();
        while(++k<i){
            a ? f.apply(null,a): f();
        }
        ar[e] = getTimer() - t;
    }
    return avg(ar)+' ms ';
}

//check DOM Existance
if(document){
	var trace = function(v){ document.writeln(v+'<br>')};
	var getTimer = function(){
       var _time = new Date();
       return parseFloat(_time.valueOf());
	}
}
// count average
function avg(a){
	var s = 0;
	for(var i in a)s+=a[i];
	return s/a.length;
}

// SIMPLE TESTS
var bms =
[
Bencher(function(){var a=[];}),
Bencher(function(){var a={};}),
Bencher(function(){var a=new Array;}),
Bencher(function(){var a=new Object;}),
Bencher(function(){var a=Math.random();})
];
trace(bms);

// HTML CODE 
/*
<html>
<head>
<script src="Bencher-jsas.js"></script>
</head>
<body>
</body>
</html>
*/

Report this snippet Tweet

Comments

Subscribe to comments

Comment:

You need to login to post a comment.