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Update README.md
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xingshaocheng authored May 1, 2018
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Expand Up @@ -673,6 +673,13 @@ KPM:Knuth-Morris-Pratt算法(简称KMP)

* [《操作系统基础知识——操作系统的原理,类型和结构》](https://segmentfault.com/a/1190000003692840)

## CPU

### 多级缓存
典型的 CPU 有三级缓存,举例核心越近,速度越快,空间越小。L1 一般 32k,L2 一般 256k,L3 一般12M。内存速度需要200个 CPU 周期,CPU 缓存需要1个CPU周期。

* [《从Java视角理解CPU缓存和伪共享》](https://blog.csdn.net/zero__007/article/details/54089730)

## 进程

TODO
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