gevent python script to setup a hello world web server disabled log (http://lifuzu.com/blog/2014/01/05/performance-analysis-of-gevent-eventlet-and-nodejs)

geve.py

$ cat geve.py 
import gevent
from gevent import wsgi,pool
#the application to handle the response  
def app(environ,start_response):
  start_response("200 OK",[("Content-Type","text/plain")])
  return "Hello World\n"
if __name__=="__main__":
  print "The sweet thing is running on http://localhost:8912/"
  pool=gevent.pool.Pool() #A pool of greenlets.Each greenlets runs the above defined function app for a client request  
  server=wsgi.WSGIServer(("localhost",8912),app,spawn=pool,log=None) #the server is created and runs multiple greenlets concurrently  
  server.serve_forever() #the server is made to run in loop

$ ab -n 1000 -c 100 http://127.0.0.1:8912/
This is ApacheBench, Version 2.3 <$Revision: 1663405 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests

Server Software:
Server Hostname: 127.0.0.1
Server Port: 8912

Document Path: /
Document Length: 12 bytes

Concurrency Level: 100
Time taken for tests: 0.535 seconds
Complete requests: 1000
Failed requests: 0
Total transferred: 133000 bytes
HTML transferred: 12000 bytes
Requests per second: 1868.30 #/sec
Time per request: 53.524 ms
Time per request: 0.535 [ms](mean, across all concurrent requests)
Transfer rate: 242.66 [Kbytes/sec] received

Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 0 0.8 0 4
Processing: 5 51 9.7 51 66
Waiting: 4 50 9.7 51 66
Total: 9 51 9.0 51 66

Percentage of the requests served within a certain time (ms)
50% 51
66% 52
75% 53
80% 54
90% 61
95% 64
98% 65
99% 66
100% 66 (longest request)