In [1]:

    

from multiprocessing import Pool
from itertools import repeat


    

In [9]:

    

def f((x, y, z)):
    return x + y * z


    

In [10]:

    

inputs = zip(range(10000), repeat(6), reversed(range(10000)))


    

In [11]:

    

inputs[:10]


    

    
Out[11]:





[(0, 6, 9999),
 (1, 6, 9998),
 (2, 6, 9997),
 (3, 6, 9996),
 (4, 6, 9995),
 (5, 6, 9994),
 (6, 6, 9993),
 (7, 6, 9992),
 (8, 6, 9991),
 (9, 6, 9990)]

In [12]:

    

time a=map(f, inputs)


    

    




CPU times: user 4 ms, sys: 0 ns, total: 4 ms
Wall time: 5.06 ms

In [13]:

    

p = Pool(processes=4)


    

In [14]:

    

%%time
b = p.map(f, inputs)
p.close()


    

    




CPU times: user 8 ms, sys: 0 ns, total: 8 ms
Wall time: 7.33 ms

In [17]:

    

zip(range(10), repeat(2), range(10), [5,6])


    

    
Out[17]:





[(0, 2, 0, 5), (1, 2, 1, 6)]

In [ ]: