Small WSGI benchmark (removes the HTTP or socket layer)

bench.py

import sys
import bottle
from time import time

app = bottle.Bottle()
@app.route('/')
def hello():
  return 'Hello World!'

def bench(n):
  ''' Process n requests and return the average time per request. '''
  start = time()
  for i in range(n):
    app({'PATH_INFO':'/', 'REQUEST_METHOD':'GET'}, lambda x,y: y)
  return (time() - start) / n

n = int(sys.argv[1]) if len(sys.argv) > 1 else 500
# Run n tests with 1 to n requests per run. Return the minimum
# average time per request.
tpr = min(bench(i) for i in range(1,n+1))

# Print requests per second (instead of seconds per request).
print int(1/tpr)