Created
May 20, 2013 06:37
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jsperf
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title></title> | |
</head> | |
<body> | |
<script src="benchmark.js"></script> | |
<div id="testresult1"> | |
</div> | |
<div id="testresult2"> | |
</div> | |
<div id="testresult3"> | |
</div> | |
<div id="testresult4"> | |
</div> | |
<script> | |
// basic timer shit | |
var Timerbot = function(n) { | |
this.name = n; | |
this.start = Date.now(); | |
this.end = Date.now(); | |
this.deltas = []; | |
this.reset = function() { | |
this.deltas = null; | |
this.deltas = []; | |
this.start = Date.now(); | |
this.end = 0; | |
}; | |
this.recordStart = function() { | |
this.start = Date.now(); | |
}; | |
this.recordEnd = function() { | |
this.end = Date.now(); | |
this.deltas.push(this.end - this.start); | |
}; | |
this.topFive = function() { | |
var tmp = this.deltas.sort(function(a, b) { | |
return a > b; | |
}); | |
return [ tmp[tmp.length - 1], tmp[tmp.length - 2], tmp[tmp.length - 3], tmp[tmp.length - 3], tmp[tmp.length - 5] ]; | |
}; | |
this.summaryText = function(arr) { | |
var arr = arr || this.deltas; | |
var tmp = arr.sort(function(a, b) { | |
return a > b; | |
}); | |
return this.name + ": highest 5 deltas was " + tmp[tmp.length - 1] + ", " + tmp[tmp.length - 2] + ", " + tmp[tmp.length - 3] + ", " + tmp[tmp.length - 4] + ", " + tmp[tmp.length - 5] + " ms and the median was " + tmp[Math.floor(tmp.length / 2)] + " ms"; | |
} | |
}; | |
// test #1 | |
var TestTimer1 = TestTimer1 || new Timerbot("TestClass1"); | |
var TestClass1 = new(function() { | |
this.a = 0; | |
this.b = 0; | |
this.c = 0; | |
this.d = 0; | |
this.m1 = function() { | |
this.a += 1; | |
this.b += 2; | |
this.c += 3; | |
this.d += this.a; | |
}; | |
this.m2 = function() { | |
this.a += 4; | |
this.b += 5; | |
this.c += 6; | |
this.d += this.b; | |
}; | |
this.m3 = function() { | |
this.a += 7; | |
this.b += 8; | |
this.c += 9; | |
this.d += this.c; | |
}; | |
this.m = function() { | |
this.m1(); | |
this.m2(); | |
this.m3(); | |
}; | |
})(); | |
// test #2 | |
var TestTimer2 = TestTimer2 || new Timerbot("TestClass2"); | |
function Prototype2() {} | |
Prototype2.prototype.a = 0; | |
Prototype2.prototype.b = 0; | |
Prototype2.prototype.c = 0; | |
Prototype2.prototype.d = 0; | |
Prototype2.prototype.m1 = function() { | |
this.a += 1; | |
this.b += 2; | |
this.c += 3; | |
this.d += this.a; | |
}; | |
Prototype2.prototype.m2 = function() { | |
this.a += 4; | |
this.b += 5; | |
this.c += 6; | |
this.d += this.b; | |
}; | |
Prototype2.prototype.m3 = function() { | |
this.a += 7; | |
this.b += 8; | |
this.c += 9; | |
this.d += this.c; | |
}; | |
Prototype2.prototype.m = function() { | |
this.m1(); | |
this.m2(); | |
this.m3(); | |
}; | |
var TestClass2 = new Prototype2(); | |
// test #3 | |
var TestTimer3 = TestTimer3 || new Timerbot("TestClass3"); | |
var TestClass3 = new((function() { | |
var a = 0; | |
var b = 0; | |
var c = 0; | |
var d = 0; | |
var m1 = function() { | |
a += 1; | |
b += 2; | |
c += 3; | |
d += a; | |
}; | |
var m2 = function() { | |
a += 4; | |
b += 5; | |
c += 6; | |
d += b; | |
}; | |
var m3 = function() { | |
a += 7; | |
b += 8; | |
c += 9; | |
d += c; | |
}; | |
var m = function() { | |
m1(); | |
m2(); | |
m3(); | |
}; | |
return function() { | |
this.m = m | |
}; | |
})())(); | |
// test #4 | |
var TestTimer4 = TestTimer4 || new Timerbot("TestClass4"); | |
var TestClass4 = (function() { | |
var a = 0; | |
var b = 0; | |
var c = 0; | |
var d = 0; | |
var m1 = function() { | |
a += 1; | |
b += 2; | |
c += 3; | |
d += a; | |
}; | |
var m2 = function() { | |
a += 4; | |
b += 5; | |
c += 6; | |
d += b; | |
}; | |
var m3 = function() { | |
a += 7; | |
b += 8; | |
c += 9; | |
d += c; | |
}; | |
var m = function() { | |
m1(); | |
m2(); | |
m3(); | |
}; | |
return { | |
m: m | |
} | |
})(); | |
var benchmark = function() { | |
var suite = new Benchmark.Suite; | |
suite.add("simple class using this+new constructor", function(){ | |
for (var i = 0; i < 1000; i += 1) { | |
TestTimer1.recordStart(); | |
TestClass1.m(); | |
TestClass1.m(); | |
TestClass1.m(); | |
TestTimer1.recordEnd(); | |
} | |
}) | |
.add("prototypal class using this", function(){ | |
for (var i = 0; i < 1000; i += 1) { | |
TestTimer2.recordStart(); | |
TestClass2.m(); | |
TestClass2.m(); | |
TestClass2.m(); | |
TestTimer2.recordEnd(); | |
} | |
}) | |
.add("function closured class", function(){ | |
for (var i = 0; i < 1000; i += 1) { | |
TestTimer3.recordStart(); | |
TestClass3.m(); | |
TestClass3.m(); | |
TestClass3.m(); | |
TestTimer3.recordEnd(); | |
} | |
}) | |
.add("object closured class", function(){ | |
for (var i = 0; i < 1000; i += 1) { | |
TestTimer4.recordStart(); | |
TestClass4.m(); | |
TestClass4.m(); | |
TestClass4.m(); | |
TestTimer4.recordEnd(); | |
} | |
}) | |
.on('cycle', function(event) { | |
console.log(String(event.target)); | |
}) | |
.on('complete', function() { | |
console.log('Fastest is ' + this.filter('fastest').pluck('name')); | |
}).run({async: true}); | |
}; | |
var elem1 = document.getElementById("testresult1"); | |
var elem2 = document.getElementById("testresult2"); | |
var elem3 = document.getElementById("testresult3"); | |
var elem4 = document.getElementById("testresult4"); | |
function displayResults(){ | |
if (TestTimer1.deltas.length > 0) { | |
var t1 = t1 || []; | |
t1 = t1.concat(TestTimer1.topFive()) | |
elem1.innerHTML = TestTimer1.summaryText(t1) + "<br>"; | |
} | |
if (TestTimer2.deltas.length > 0) { | |
var t2 = t2 || []; | |
t2 = t2.concat(TestTimer2.topFive()) | |
elem2.innerHTML = TestTimer2.summaryText(t2) + "<br>"; | |
} | |
if (TestTimer3.deltas.length > 0) { | |
var t3 = t3 || []; | |
t3 = t3.concat(TestTimer3.topFive()) | |
elem3.innerHTML = TestTimer3.summaryText(t3) + "<br>"; | |
} | |
if (TestTimer4.deltas.length > 0) { | |
var t4 = t4 || []; | |
t4 = t4.concat(TestTimer4.topFive()) | |
elem4.innerHTML = TestTimer4.summaryText(t4) + "<br>"; | |
} | |
} | |
</script> | |
</body> | |
</html> |
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