syd359/diarydocs

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• 2018-September

import itertools
import multiprocessing
from multiprocessing import Pool

def cv_test(ps, fs):    
    tmp = "{}, {}".format(ps, fs)
    return tmp
    
a = [str(i) for i in range(10)]
b = list('abscdfghijk')
p = Pool(processes = 4)
start = time.time()
res = p.starmap(cv_test, itertools.product(a,b))
p.close()
p.join()
print('The cross-validation with stratified sampling on 5 cores took time (s): {}'.format(time.time() - start))
print(res)