app.js

var express = require('express');
var http = require('http');
var path = require('path');
var fs = require("fs");
var jade = require("jade");

var app = express();
app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(express.methodOverride());


var data = [];
for (var i = 0; i < 25; i++) {
	data.push({
		idx: i,
		text: new Buffer(50).toString("base64")
	});
}


// Plain Rendering
app.get("/normal", function(req, res) {
	res.render("index.jade", {
		data: data
	});
});

// Read file only ONCE
var file = fs.readFileSync("views/index.jade");
app.get("/halfoptimized", function(req, res) {
	res.end(jade.render(file, {
		data: data
	}));
});

// Compile the template, so no need to parse it over and over again
var fn = jade.compile(file);
app.get("/optimized", function(req, res) {
	res.end(fn({
		data: data
	}));
});

app.listen(5000);