python 在不同CPU上同時運行多個程序
阿新 • • 發佈:2018-10-19
www. self. sel random com .com program http uri
出處/From https://www.quora.com/If-you-run-Python-under-a-dual-core-CPU-then-can-you-run-two-Python-programs-at-once-one-that-utilizes-1-core-and-the-other-utilizing-the-other-core
In [24]: import os In [25]: import numpy as np In [26]: from multiprocessing import Process In [27]: class MyProc(Process): ...: def __init__(self, num): ...: self.num = num ...: super().__init__() ...: ...: def run(self): ...: print(f‘Process {self.num} starting...PID {os.getpid()}‘) ...: np.random.seed(self.num) ...: total = np.sum([np.random.randint(10_000) for _ in range(10_000_000)]) ...: print(f‘Total sum = {total}‘) ...: In [28]: procs = [MyProc(i) for i in range(2)] In [29]: for p in procs: ...: p.start() ...: Process 0 starting...PID 92402 Process 1 starting...PID 92403 In [30]: for p in procs: ...: p.join() ...: Total sum = 50003085304 Total sum = 49988200971
python 在不同CPU上同時運行多個程序