"""NOTE: If running on Windows you need to run this from the
command lines using:

python parallel_processing_examples.py

Not from inside Wing

"""

from multiprocessing import Pool, freeze_support
import time
import numpy as np

def takeuptime(ntrials):
    np.random.seed()
    junk = 0
    for ii in xrange(ntrials):
        junk += np.std(np.random.randn(1e5))
    return junk
 
if __name__ == "__main__":
    start = time.time()
    pool = Pool()
    result = pool.map(takeuptime, [100, 100, 100, 100])
    print "Parallel time: %f" % (time.time() - start)
    print "The output is: %s" % result