multiprocess pool test

pool_test.py

import multiprocessing as mp

def job(x):
    return x * x

pool = mp.Pool()


res = pool.map(job, range(10))

def multicore():
    pool = mp.Pool()
    res = pool.map(job, range(10))
    print(res)

    
def multicore():
    pool = mp.Pool(processes=3) # 定义CPU核数量为3
    res = pool.map(job, range(10))
    print(res)

    
if __name__ == '__main__':
    multicore()