laps/examples/perf/app.js

Simple flow-control lib for Node.js: combine sync/async steps, organize your spaghetti-code

var dns = require('dns');
var Laps = require('../../lib');

function isPrime(num) {
    if (num < 2) return false;
    for (var i = 2; i < num; ++i) {
        if (num % i === 0)
            return false;
    }
    return true;
}

function nextPrime(num, handler) {
	for (var i = num + 1; ; ++i) {
		if (isPrime(i)) {
			handler(i);
			return;
		}
	}
}

var count = 10000;
var startNum = 10000;


function testLaps(){
	console.log('TEST LAPS');
	var start = new Date();
	var findPrime = function() {
		new Laps()
		.lap(function() {			
			nextPrime(startNum, this.cb('calc'));						
		}).lap(function() {
			nextPrime(this.val, this.cb('calc'));
		}).lap(function() {
			nextPrime(this.val, this.cb('calc'));
		}).lap(function() {
			nextPrime(this.val, this.cb('calc'));
		}).lap(function() {
			nextPrime(this.val, this.cb('calc'));
		}).lap(function() {
			nextPrime(this.val, this.cb('calc'));
		}).lap(function() {
			nextPrime(this.val, this.cb('calc'));
		}).lap(function() {
			nextPrime(this.val, this.cb('calc'));
		}).lap(function() {
			nextPrime(this.val, this.cb('calc'));
		}).cmd('calc', function(val) {
			this.val = val;
		}).on('finish', function() {
			//console.log (this.val);
		}).run();
	};	

	for (var i = 0; i < count; ++i) {
		findPrime();
	}

	console.log(new Date() - start);	
}

function testNode(){
	console.log('TEST NODE');
	var start = new Date();
	var findPrime = function() {
		nextPrime(startNum, function(val){
			nextPrime(val, function(val){
				nextPrime(val, function(val){
					nextPrime(val, function(val){
						nextPrime(val, function(val){
							nextPrime(val, function(val){
								nextPrime(val, function(val){
									nextPrime(val, function(val){
										nextPrime(val, function(val){										
											//console.log (val);
										});
									});
								});
							});
						});
					});
				});
			});
		});
	};
	
	for (var i = 0; i < count; ++i) {
		findPrime();
	}
	
	console.log(new Date() - start);
}

testLaps();
testNode();