Benchmark Fun

app.js

var http = require('http');

http.createServer(function (req, res) {
    res.writeHead(200, {'Content-Type': 'text/html'});
    res.end('<h1>Hello World</h1>\n');
}).listen(8000, '127.0.0.1');

console.log('Server running at http://127.0.0.1:8000/');

app.py

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello():
    return "<h1>Hello World!</h1>"

if __name__ == "__main__":
    app.run()

app.rb

require 'sinatra'

get '/' do
  "<h1>Hello World!</h1>"
end

Benchmark

Flask 0.8
=========
```
Server Software:        Werkzeug/0.8.3
Server Hostname:        localhost
Server Port:            5000

Document Path:          /
Document Length:        21 bytes

Concurrency Level:      100
Time taken for tests:   5.244 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Total transferred:      1750000 bytes
HTML transferred:       210000 bytes
Requests per second:    1906.84 [#/sec] (mean)
Time per request:       52.443 [ms] (mean)
Time per request:       0.524 [ms] (mean, across all concurrent requests)
Transfer rate:          325.88 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       3
Processing:     1   52   3.2     53      60
Waiting:        1   52   3.2     53      60
Total:          3   52   3.1     53      60

Percentage of the requests served within a certain time (ms)
  50%     53
  66%     53
  75%     53
  80%     54
  90%     54
  95%     54
  98%     57
  99%     58
 100%     60 (longest request)
```

Sinatra 1.3.2 (Ruby 1.9.3)
==========================
```
Server Software:        thin
Server Hostname:        127.0.0.1
Server Port:            4567

Document Path:          /
Document Length:        21 bytes

Concurrency Level:      100
Time taken for tests:   5.240 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Total transferred:      2250000 bytes
HTML transferred:       210000 bytes
Requests per second:    1908.48 [#/sec] (mean)
Time per request:       52.398 [ms] (mean)
Time per request:       0.524 [ms] (mean, across all concurrent requests)
Transfer rate:          419.34 [Kbytes/sec] received
```

Node.js
=======
```

This is ApacheBench, Version 3.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)


Server Software:        
Server Hostname:        localhost
Server Port:            8000

Document Path:          /
Document Length:        21 bytes

Concurrency Level:      100
Time taken for tests:   1.343 seconds
Complete requests:      10000
Failed requests:        0
Write errors:           0
Total transferred:      840000 bytes
HTML transferred:       210000 bytes
Requests per second:    7447.10 [#/sec] (mean)
Time per request:       13.428 [ms] (mean)
Time per request:       0.134 [ms] (mean, across all concurrent requests)
Transfer rate:          610.89 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.1      0       2
Processing:     3   13   6.3     13      36
Waiting:        2   13   6.3     13      36
Total:          3   13   6.3     13      36

Percentage of the requests served within a certain time (ms)
  50%     13
  66%     16
  75%     18
  80%     19
  90%     22
  95%     23
  98%     26
  99%     29
 100%     36 (longest request)
```

geek!

Proudly! :-)