Last active
October 7, 2020 15:25
-
-
Save Niccolum/127f7035b09bb68791c92203ed189229 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
from concurrent.futures import ProcessPoolExecutor | |
import multiprocessing as mp | |
import time | |
import random | |
PROCESSES = 3 | |
def main_proc(queues): | |
while True: | |
queue = random.choice(queues) | |
queue.put('hello pidor') | |
time.sleep(0.1) | |
def other_proc(proc_num, queue): | |
while True: | |
res = queue.get() | |
if not res: | |
time.sleep(1) | |
continue | |
print(f'process {proc_num} says: {res}') | |
def main(): | |
manager = mp.Manager() | |
queues = [manager.Queue() for _ in range(PROCESSES)] | |
p = mp.Process(target=main_proc, args=[queues]) | |
p.start() | |
with ProcessPoolExecutor(max_workers=PROCESSES) as executor: | |
executor.map(other_proc, range(1, PROCESSES+1), queues) | |
if __name__ == '__main__': | |
main() |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
$ python3 multiproc_tasking.py | |
process 2 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 1 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 3 says: hello pidor | |
process 2 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 3 says: hello pidor | |
process 2 says: hello pidor | |
process 2 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 2 says: hello pidor | |
process 1 says: hello pidor | |
process 1 says: hello pidor | |
process 1 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 3 says: hello pidor | |
process 2 says: hello pidor | |
process 3 says: hello pidor | |
process 3 says: hello pidor | |
process 3 says: hello pidor | |
process 2 says: hello pidor | |
process 1 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 1 says: hello pidor | |
process 1 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 1 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 3 says: hello pidor | |
process 3 says: hello pidor | |
process 3 says: hello pidor | |
process 3 says: hello pidor | |
process 3 says: hello pidor | |
process 3 says: hello pidor | |
process 2 says: hello pidor | |
process 2 says: hello pidor | |
process 3 says: hello pidor | |
process 1 says: hello pidor | |
process 2 says: hello pidor | |
process 2 says: hello pidor | |
process 3 says: hello pidor |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment