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Linux系统编程 C/C++ 以及Qt 中的零拷贝技术: 从底层原理到高级应用（三）

Linux系统编程 C/C++ 以及Qt 中的零拷贝技术: 从底层原理到高级应用（二）https://developer.aliyun.com/article/1464335 5.2 音视频处理中的零拷贝实例 (Zero-Copy Example in Audio and Video Process...

Linux系统编程 C/C++ 以及Qt 中的零拷贝技术: 从底层原理到高级应用（二）

Linux系统编程 C/C++ 以及Qt 中的零拷贝技术: 从底层原理到高级应用（一）https://developer.aliyun.com/article/1464334 3.2.2 注意事项需要注意的是，虽然零拷贝技术可以显著提高程序的效率，但并不是所有情况下都适合使用零拷贝。比如，如果数据...

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Linux系统编程 C/C++ 以及Qt 中的零拷贝技术: 从底层原理到高级应用（一）

一、零拷贝技术的概念与价值 (Zero-Copy Concept and Value) 1.1 什么是零拷贝 (What is Zero-Copy) 零拷贝（Zero-Copy）是计算机科学中的一种重要技术，它的核心思想是在进行数据传输时，尽可能减少CPU的介入，从而达到提高数据处理速度、降低CPU...

【Linux高性能服务器编程】I/O复用的高级应用

一、基于 select 的非阻塞 connectconnect系统调用的 man 手册中有如下一段内容：EINPROGERESSThe socket is nonblocking and the connection cannot be completed immediately. It is po...

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