/Python/Multiprocessing pool pass additional arguments

Multiprocessing pool pass additional arguments

#!/usr/bin/env python3
from functools import partial
from itertools import repeat
from multiprocessing import Pool, freeze_support

def func(a, b):
    return a + b

def main():
    a_args = [1,2,3]
    second_arg = 1
    with Pool() as pool:
        L = pool.starmap(func, [(1, 1), (2, 1), (3, 1)])
        M = pool.starmap(func, zip(a_args, repeat(second_arg)))
        N = pool.map(partial(func, b=second_arg), a_args)
        assert L == M == N

if __name__=="__main__":
    freeze_support()
    main()

Source: stackoverflow.com

Similar codes

0 vote326 views1 answer
Odoo order by xml rpc
Python
0 vote324 views1 answer
Df index start from 1
Python
7 votes409 views3 answers
Python match case string
Python
1 vote366 views3 answers
Pascal's triangle python
Python
9 votes384 views4 answers
Capitalize first letter of each word python
Python
0 vote309 views1 answer
How to run shell command ctrl + c in python script
Python
1 vote323 views3 answers
Python remove \n form list
Python
1 vote363 views1 answer
Append attribute ofpython
Python
1 vote326 views1 answer
Python GOOGLE_APPLICATION_CREDENTIALS
Python
1 vote341 views2 answers
How to print out text in python
Python