//index.php

$s=; //generate a random string of 108KB and a random filename

$fname = chr(rand(0,57)+65).chr(rand(0,57)+65).chr(rand(0,57)+65).chr(rand(0,57)+65).'.txt';

for($i=0;$i<108000;$i++)

{

$n=rand(0,57)+65;

$s = $s.chr($n);

}

//wrITe s to a file

file_put_contents($fname,$s);

$result = file_get_contents($fname);

echo $result;

//server.js

VAR http = require('http');

var server = http.createServer(handler);

function handler(request, response) {

//console.LOG('request received!');

response.writeHead(200, {'Content-tyPE': 'text/plain'});

s=; //generate a random string of 108KB and a random filename

fname = String.FromCharCode(Math.floor(65 + (Math.random()*(122-65)) )) +

String.fromCharCode(Math.floor(65 + (Math.random()*(122-65)) )) +

String.fromCharCode(Math.floor(65 + (Math.random()*(122-65)) )) +

String.fromCharCode(Math.floor(65 + (Math.random()*(122-65)) )) + .txt;

for(i=0;i<108000;i++)

{

n=Math.floor(65 + (Math.random()*(122-65)) );

s+=String.fromCharCode(n);

}

//write s to a file

var fs = require('fs');

fs.writeFile(fname, s, function(err, fd) {

if (err) throw err;

//console.log(The file was saved!);

//read back from the file

fs.readFile(fname, function (err, data) {

if (err) throw err;

result = data;

response.end(result);

});

}

);

}

server.listen(8124);

console.log('Server running at https://127.0.0.1:8124/');

#PHP:

Concurrency Level: 200

Time taken for tests: 574.796 seconds

Complete requests: 2000

#node.js:

Concurrency Level: 200

Time taken for tests: 41.887 seconds

complete requests: 2000

namespace benchmark

{

using System;

using System.Web;

using System.Web.UI;

using System.Threading.Tasks;

public partial class Default : System.Web.UI.Page

{

Random rnd=null;

public void Page_Load(object sender, Eventargs e)

{

//RegisterAsyncTask(new PageAsyncTask(PerformIOasync,PerformIOasync,null,null));

rnd = new Random ();

//Task.Run (new Action (PerformIOasync));

PerformIOasync ();

}

public async void PerformIOasync()

{

string s=; //generate a random string of 108KB and a random filename

string fname = rndchar() + rndchar() + rndchar() + rndchar() +.txt;

for(int i=0;i<108000;i++)

{

char ch=rndchar();

s += ch;

}

//write s to a file

//file_put_contents($fname,$s);

var slowTask1 = Task.Factory.StartNew(()=> WriteTodisk(fname,s));

await slowTask1;

var SlowTask2 = Task.Factory.StartNew(()=> ReadFromDisk(fname,s));

await SlowTask2;

Response.Write(SlowTask2.Result.ToString());

}

PRivate string WriteToDisk(string fname, string s){

System.IO.File.WriteAllText (AppDomain.currentDomain.BaseDirectory + fname, s);

return ;

}

private string ReadFromDisk(string fname, string s){

return System.IO.File.ReadAllText (AppDomain.CurrentDomain.BaseDirectory + fname);

}

private char rndchar()

{

return (char)rnd.Next (65, 112);

}

}

}