Benchmark PhantomJS against cURL

benchmark

#!/bin/bash
PREPHANTOMTIME=`date +%s%N | cut -b1-13` 

count="0"
while [ $count -lt $2 ];
do
	phantomjs --load-images=no ./timer.js "$1" > /dev/null 2>&1
	count=$[$count + 1]
	echo -ne "."
done

PHANTOMFINISH=`date +%s%N | cut -b1-13`

echo ""

preCURLTime=`date +%s%N | cut -b1-13`

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

CURLTIME=`date +%s%N | cut -b1-13`

echo ""
echo ""
echo "PhantomJS Time: "
echo $[$PHANTOMFINISH - $PREPHANTOMTIME] milliseconds
echo ""
echo "CURL Time: "
echo $[$CURLTIME - preCURLTime] milliseconds

timer.js

var page = require('webpage').create(),
    t, address;

if (phantom.args.length === 0) {
    phantom.exit();
} else {
    address = phantom.args[0];
    page.open(address, function (status) {
        phantom.exit();
    });
}