gistfile1.py

#!/usr/bin/python

import ctypes
import timeit
def fact(n):
    if n <= 1:
        return 1
    return n * fact(n-1)
if __name__ == "__main__":
    t1 = timeit.Timer()
    try:
       a = fact(1000)
       print "Python call %f" % t1.timeit()
    except:
       print "Python recursive call error stack depth exceeded"
       pass
    l = ctypes.CDLL('./test.so')
    i = ctypes.c_int(1000)
    t2 = timeit.Timer()
    l._fact(i)
    print "C call from python %f "  % t2.timeit()