I recently did a small Hello World Time Metric Test to see response time on Node.js and PHP and plotted the graph to see the performance difference between the two. PHP was hosted on a LAMP stack while node.js was downloaded via apt-get install. Instructions can be found on http://nodejs.org .   The node.js script was simple hello world script:    var http = require('http');  http.createServer(function (req, res) {    res.writeHead(200, {'Content-Type': 'text/plain'});    res.end('Hello World\n');  }).listen(1337, "127.0.0.1");  console.log('Server running at http://127.0.0.1:1337/');      While the PHP script used was:     echo "Hello World";   ?>   The tester script was:    $j=0;  while($j<100) {  $time1=microtime(true);   $i=0;   while($i<10000) {       file_get_contents("http://localhost/hello.php");  $i++;  }     $time2=microtime(true);  print($time2-$time1);  print(' ');  $j++;  }   Any gu...
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