[英]python multiprocessing not working in jupyter notebook
我尝试运行多处理的简单示例,但它不工作
当我尝试使用线程或以常规方式运行相同的 function 时
使用多处理(不工作):
import multiprocessing
def do_something():
print('Sleeping 1 second...')
time.sleep(1)
print('Done sleeping')
p1 = multiprocessing.Process(target=do_something)
p2 = multiprocessing.Process(target=do_something)
p1.start()
p2.start()
带线程(工作):
import threading
def do_something():
print('Sleeping 1 second...')
time.sleep(1)
print('Done sleeping')
t1 = threading.Thread(target=do_something)
t2 = threading.Thread(target=do_something)
t1.start()
t2.start()
为了使代码正常工作,您需要将所有要求放在一个单元格中,然后运行它。
from multiprocessing import Pool
import other/modules/...
def do_something(arg1):
print('Sleeping 1 second...')
time.sleep(1)
print('Done sleeping')
if __name__ == '__main__':
pool = Pool(os.cpu_count())
pool.map(do_something, list_of_args)
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