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This article mainly introduces the use of multi-process in Python to achieve parallel processing of the method summary, with a certain reference value, interested in small partners can refer to Processes and threads are important concepts in the

This article mainly introduces the use of multi-process in Python to achieve parallel processing of the method summary, with a certain reference value, interested in small partners can refer to Processes and threads are important concepts in the

To get the Python program to implement multi-process (multiprocessing), we first understand the operating system knowledge.The Unix/linux operating system provides a fork() system call, which is very special. A normal function call, called once, is

What is a process and what is a thread?The process and the thread are the containing relationship, and the process contains the thread.A process is the smallest unit of system resource allocation, and a thread is the smallest unit of system task

Process#********* Creating a single process through process fromMultiprocessingImportProcessImportOS#code to be executed by the child processdefRun_proc (name):Print('Run Child process%s (%s) ...'% (name, Os.getpid ()))#gets the name of the current

3 Ways to implement multi-tasking:Multi-process ModeMultithreaded modeMulti-process + multithreaded modeA thread is the smallest execution unit, and a process consists of at least one thread.Multi-process (multiprocessing)Unix/linux with the fork ()

1. Sometimes it is very slow to open a link, and a lot of comment is unbearable. Sometimes the page is refreshed and no connection is answered. 2. Watercress often hangs up, 502 kind of (of course I know this is not related to Python), there are the

To get the Python program to implement multi-process (multiprocessing), we first understand the operating system knowledge.The Unix/linux operating system provides a fork() system call, which is very special. A normal function call, called once, is

To get the Python program to implement multiple processes, let's start with the knowledge of the operating systemUnix/linux operating system provides a fork () system call, he is very special, ordinary function call, call once, return once, but fork

Python script:                                                                                                                       21,0-1        all#!/usr/bin/python#  -*- coding: utf-8 -*-#此脚本用于检测域名解析是否正常import  osnamelist = {' www.51cto.com ': '