Python processes and threads

In order to run multiple tasks at the same time, python introduces the concept of multithreading. In Python, you can start multithreading mode in a convenient and quick way. Multithreading is often used in programs that conform to the concurrency mechanism, such as network programs. In order to further subdivide work ta ...

Posted by chrisprse on Sat, 07 May 2022 21:03:36 +0300

[daily] example of communication between multiprocessing and multi process crawler queue

preface Summarizes the use of multiprocessing library. Previously found Western thorn agency After hanging up, many of the previously written multi process crawler modules can't be used. Recently yy told me that he found that the original Xi thorn changed its name to Zhang Pi Sila agent , the interface has been improved a lot, and some tutoria ...

Posted by Jabop on Tue, 03 May 2022 08:48:43 +0300

python multithreading and multiprocessing

Processes and threads Process: is a running program It is an independent unit for the system to allocate and call resources Each process has its own memory space and system resources Thread: it is a single sequential control flow in a process and an execution path Thread, also known as lightweight process, is the smallest unit that the op ...

Posted by kiwis on Wed, 27 Apr 2022 04:26:13 +0300

[linux system] unix programming process (basic version)

1.base A program is a compiled binary file stored on disk media A process is the state in which a program runs The program is dead and the process is alive A process is an instance of a program being executed The malloc function allocates storage from the heap of memory Static variables (usually the global variables in the program) will m ...

Posted by Chezshire on Mon, 04 Apr 2022 00:58:12 +0300