计算机各系统组件的吞吐量和延迟 看图不说话
October 8th, 2010
原创文章，转载请注明： 转载自系统技术非业余研究
本文链接地址: 计算机各系统组件的吞吐量和延迟 看图不说话
看图不说话
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这个图挺好的，就是比较粗线条，有些东西不太完整/准确，比如现有的USB实际上是480M/12M和1.5M三种速率（暂不算3.0和无线的）
另：帮楼主补充一下这类数据的意义：如果对各种总线的速率和IOPS如果没有概念和预估，写程序时就只能Compile & Pray了。
Yu Feng Reply:
October 11th, 2010 at 8:01 pm
其实列出来的数据不是要多少准确,毕竟硬件天天在变化,我们只需要关心下量级,在设计的时候,可以好预估.
@Yu Feng
关于“关心数量级”一说，不能同意更多，不过我还是要当补充党：
1、不同协议的标准化速率需要知道，其实际表现也需要知道（实际净数据速率打对折的挺多）
2、典型设备的数据不仅仅需要知道数量级，最好还能背诵一些具体数据。因为没有具体数字的话，记忆起来会很别扭；而且在做某些估算时，累积起来也可能会差几个数量级。