benchmark.py

#! /usr/bin/python

import time
import pyc

ITERATIONS = 100000000

iterative = xrange(ITERATIONS)

def test():
    return None

def calc_period_nsec(start, stop):
    return int(round(((stop - start) * 1e9) / ITERATIONS, 0))

# measure no-load loop period:
start = time.time()
for _ in iterative:
    pass
stop = time.time()
period_noload = calc_period_nsec(start, stop)
print 'no-load loop period:\t', period_noload, 'nsec'

# now with C-invocation:
start = time.time()
for _ in iterative:
    pyc.test()
stop = time.time()
period_test_c = calc_period_nsec(start, stop)
#print 'c loop period:\t', period_test_c, 'nsec'

# and now with Python-invocation:
start = time.time()
for _ in iterative:
    test()
stop = time.time()
period_test_py = calc_period_nsec(start, stop)
#print 'py loop period:\t', period_test_py, 'nsec'

# ok, compute pure time and print it:
pure_time_c = period_test_c - period_noload
pure_time_py = period_test_py - period_noload
print 'function invocation time [nsec]:'
print 'c\t', pure_time_c
print 'py\t', pure_time_py