python多进程的get()函数长时间输不出结果
0
[待解决问题]
import numpy as np
import multiprocessing as mp
a = np.array([[-1, 2, 3],
[0, 2, 4],
[1, 7, 2]])
pool = mp.Pool(processes=2)
res = [pool.apply_async(sum, (a[:, i],)) for i in range(a.shape[1])]
pool.close()
pool.join()
print(res[0].get())
卡在最后一行很长时间都没有结果，请问这是怎么回事
