dojox
Version:
Dojo eXtensions, a rollup of many useful sub-projects and varying states of maturity – from very stable and robust, to alpha and experimental. See individual projects contain README files for details.
179 lines (167 loc) • 4.12 kB
HTML
<html>
<head>
<title>Clocking fun</title>
<style type="text/css">
@import "../../../dojo/resources/dojo.css";
</style>
<script type="text/javascript" src="../../../dojo/dojo.js" data-dojo-config="isDebug:true"></script>
<script type="text/javascript" src="../functional.js"></script>
<script type="text/javascript" src="../functional/sequence.js"></script>
<script type="text/javascript" src="../functional/fold.js"></script>
<script type="text/javascript">
var clock = function(body){
var b = new Date();
body();
var e = new Date();
return e.getTime() - b.getTime(); // in ms
};
var log = function(name, body){
var ms = clock(body);
console.log(name + ":", ms);
};
var LEN = 2000, ITER = 200, tests = {},
df = dojox.lang.functional,
sample = df.repeat(LEN, "+1", 0),
add = df.lambda("+"),
isOdd = df.lambda("%2");
// filter
tests["raw filter"] = function(){
for(var i = 0; i < ITER; ++i){
var t = [];
for(var j = 0; j < sample.length; ++j){
if(isOdd(sample[j])){ t.push(sample[j]); }
}
}
};
tests["dojo.filter"] = function(){
for(var i = 0; i < ITER; ++i){
dojo.filter(sample, isOdd);
}
};
tests["df.filter"] = function(){
for(var i = 0; i < ITER; ++i){
df.filter(sample, isOdd);
}
};
if(sample.filter){
tests["Array.prototype.filter"] = function(){
for(var i = 0; i < ITER; ++i){
sample.filter(isOdd);
}
};
}
// map
tests["raw map"] = function(){
for(var i = 0; i < ITER; ++i){
var t = [];
for(var j = 0; j < sample.length; ++j){
t.push(isOdd(sample[j]));
}
}
};
tests["dojo.map"] = function(){
for(var i = 0; i < ITER; ++i){
dojo.map(sample, isOdd);
}
};
tests["df.map"] = function(){
for(var i = 0; i < ITER; ++i){
df.map(sample, isOdd);
}
};
if(sample.map){
tests["Array.prototype.map"] = function(){
for(var i = 0; i < ITER; ++i){
sample.map(isOdd);
}
};
}
// forEach
tests["raw forEach"] = function(){
for(var i = 0; i < ITER; ++i){
for(var j = 0; j < sample.length; ++j){
isOdd(sample[j]);
}
}
};
tests["dojo.forEach"] = function(){
for(var i = 0; i < ITER; ++i){
dojo.forEach(sample, isOdd);
}
};
tests["df.forEach"] = function(){
for(var i = 0; i < ITER; ++i){
df.forEach(sample, isOdd);
}
};
if(sample.forEach){
tests["Array.prototype.forEach"] = function(){
for(var i = 0; i < ITER; ++i){
sample.forEach(isOdd);
}
};
}
// reduce
tests["raw reduce"] = function(){
for(var i = 0; i < ITER; ++i){
var z = 0;
for(var j = 0; j < sample.length; ++j){
z = add(z, sample[j]);
}
}
};
tests["df.reduce"] = function(){
for(var i = 0; i < ITER; ++i){
df.reduce(sample, add, 0);
}
};
if(sample.reduce){
tests["Array.prototype.reduce"] = function(){
for(var i = 0; i < ITER; ++i){
sample.reduce(add, 0);
}
};
}
// reduceRight
tests["raw reduceRight"] = function(){
for(var i = 0; i < ITER; ++i){
var z = 0;
for(var j = sample.length - 1; j >= 0; --j){
z = add(z, sample[j]);
}
}
};
tests["df.reduceRight"] = function(){
for(var i = 0; i < ITER; ++i){
df.reduceRight(sample, add, 0);
}
};
if(sample.reduceRight){
tests["Array.prototype.reduceRight"] = function(){
for(var i = 0; i < ITER; ++i){
sample.reduceRight(add, 0);
}
};
}
var keys = df.keys(tests), i = 0;
var doTest = function(){
log(keys[i], tests[keys[i]]);
++i;
if(i < keys.length){
setTimeout(doTest, 20);
}else{
console.log("that's all");
}
};
var test = function(){
i = 0;
setTimeout(doTest, 20);
};
//dojo.addOnLoad(test);
</script>
</head>
<body>
<p>This test is meant to run with Firebug. Open the console to see the output.</p>
<p><button onclick="test()">Start</button></p>
</body>
</html>