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搜索关键字:multiprocessing    ( 829个结果
multiprocessing进程开发RuntimeError
windows环境下用multiprocessing报如下异常信息: RuntimeError: An attempt has been made to start a new process before the current process has finished its bootstrap ...
分类:系统相关   时间:2019-01-21 15:52:20    阅读次数:416
事件Event实现消费者模型
import timeimport randomfrom multiprocessing import Process,Queuedef consumer(q,name): while True: print('\033[31m%s吃了%s\033[0m'%(name,q.get())) # 如果队 ...
分类:其他好文   时间:2019-01-21 01:09:14    阅读次数:180
Python 子进程不能input
from threading import Thread from multiprocessing import Process def f1(): name = input('请输入名字') #EOFError: EOF when reading a line # print(name) # if... ...
分类:编程语言   时间:2019-01-14 18:58:46    阅读次数:178
Python 多线程的程序不结束多进程的程序不结束的区别
import time from threading import Thread from multiprocessing import Process #守护进程:主进程代码执行运行结束,守护进程随之结束 #守护线程:守护线程会等待所有非守护线程运行结束才结束 def f1(): time.sle... ...
分类:编程语言   时间:2019-01-14 18:58:03    阅读次数:173
Python for循环
import time from multiprocessing import Process def f1(): time.sleep(0.5) print('xxx') if __name__ == '__main__': p_list = [] #for循环创建子进程,并且完成主进程等待所有子... ...
分类:编程语言   时间:2019-01-14 16:35:14    阅读次数:221
Python 再次改进版通过队列实现一个生产者消费者模型
import time from multiprocessing import Process,Queue #生产者 def producer(q): for i in range(10): time.sleep(0.2) s = '大包子%s号'%i print(s+'新鲜出炉,拿去用') q.p... ...
分类:编程语言   时间:2019-01-14 16:34:46    阅读次数:212
Python 基于队列的进程通信
from multiprocessing import Process,Queue def f1(q): q.put('约吗?') if __name__ == '__main__': q = Queue(3) p = Process(target=f1,args=(q,)) p.start() s... ...
分类:编程语言   时间:2019-01-14 16:31:31    阅读次数:182
Python 通过队列实现一个生产者消费者模型
import time from multiprocessing import Process,Queue #生产者 def producer(q): for i in range(10): time.sleep(0.7) s = '大包子%s号'%i print(s+'新鲜出炉,拿去用') q.p... ...
分类:编程语言   时间:2019-01-14 16:30:31    阅读次数:165
08 进程池同步方法
import time from multiprocessing import Process,Pool def f1(n): time.sleep(1) # print(n) return n*n if __name__ == '__main__': pool = Pool(4) for i in... ...
分类:系统相关   时间:2019-01-14 15:59:47    阅读次数:147
07 进程池的同步方法和异步方法
import time from multiprocessing import Process,Pool def f1(n): time.sleep(0.5) # print(n) return n*n if __name__ == '__main__': pool = Pool(4) # pool... ...
分类:系统相关   时间:2019-01-14 15:58:53    阅读次数:214
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