Benchmark PhantomJS against cURL

benchmark

#!/bin/bash
PREPHANTOMTIME=`date +%s%3N`

count="0"
while [ $count -lt $2 ];
do
	phantomjs ./timer.js "$1" > /dev/null 2>&1
	count=$[$count + 1]
done

PHANTOMFINISH=`date +%s%3N`

echo "PhantomJS Time: "
echo $[$PHANTOMFINISH - $PREPHANTOMTIME] millisecs
echo ""

preCURLTime=`date +%s%3N`

count="0"
while [ $count -lt $2 ];
do
	curl $1 > /dev/null 2>&1
	count=$[$count + 1]
done

CURLTIME=`date +%s%3N`

echo "CURL Time: "
echo $[$CURLTIME - preCURLTime] millisecs

timer.js

var system = require('system');

if (system.args.length === 0) {
    phantom.exit();
} else {
    var page = require('webpage').create()
    page.open(system.args[1], function () {
        var body_innerHTML= page.evaluate( function() {
            return document.body.innerHTML ? document.body.innerHTML : '(empty)' ;
        });
        //console.log(body_innerHTML);
        phantom.exit();
    });
}