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<meta name="description" content="使用多进程、多线程处理多任务面临的问题： 线程或者进程切换会带来大量的系统开销和上下文切换成本，导致严重的系统开销。 进程或者线程切换后，会导致一段时间程序运行速度大幅度变慢。 为了解决这个问题，IO多路复用被提出。 IO多路复用是什么？ 具体的实现有哪些？ 有Linux的epoll 参考： Go协程简介">
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<meta property="og:description" content="使用多进程、多线程处理多任务面临的问题： 线程或者进程切换会带来大量的系统开销和上下文切换成本，导致严重的系统开销。 进程或者线程切换后，会导致一段时间程序运行速度大幅度变慢。 为了解决这个问题，IO多路复用被提出。 IO多路复用是什么？ 具体的实现有哪些？ 有Linux的epoll 参考： Go协程简介">
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<p>使用多进程、多线程处理多任务面临的问题：</p>
<blockquote>
<p>线程或者进程切换会带来大量的系统开销和上下文切换成本，导致严重的系统开销。</p>
<p>进程或者线程切换后，会导致一段时间程序运行速度大幅度变慢。</p>
</blockquote>
<p>为了解决这个问题，IO多路复用被提出。</p>
<p>IO多路复用是什么？</p>
<p>具体的实现有哪些？</p>
<p>有Linux的epoll</p>
<p>参考：</p>
<p><a href="https://bytedance.feishu.cn/wiki/wikcntpowH3RIJDjj5Ge7TbAvYd#">Go协程简介</a></p>
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