Some testing of the multiprocessing module in python. Trying to learn.

multiprocess_test.py

import multiprocessing
from multiprocessing import Pool

def say_hello(nums):
    return sum([x**x for x in xrange(nums[0], nums[1])])

if __name__ == '__main__':

    num_processors = multiprocessing.cpu_count()
    print 'You have {0:1d} CPUs'.format(num_processors)

    nums = [(0, 1000), (1000, 2000), (2000, 3000), (3000, 4000)]

    pool = Pool(processes=num_processors)
    count = pool.map(say_hello, nums)

    print sum(count)