快人一步：系统性能提高之道_札记.docxVIP

《快人一步：系统性能提高之道》读书记录

目录

1.内容综述与动机..........................................3

1.1动机背景.............................................3

1.2性能改进的重要性.....................................4

2.系统性能基础............................................5

2.1理解不同类型的系统...................................6

2.1.1操作系统性能优化的基础...........................8

2.1.2硬件性能分析的入门...............................9

2.2性能指标详解........................................11

3.性能评估与分析技巧.....................................12

3.1使用性能监控工具....................................13

3.1.1常用的系统性能监控工具..........................14

3.1.2数据收集与分析..................................15

3.2原理与实践结合......................................17

3.2.1原理篇..........................................18

3.2.2实践篇..........................................20

4.系统性能优化的策略.....................................21

4.1硬件层级优化........................................23

4.1.1缓存设计........................................24

4.1.2并行处理........................................26

4.2应用层级优化........................................28

4.2.1处理算法........................................29

4.2.2数据结构........................................31

4.3软件层级优化........................................33

4.3.1代码编写实践....................................34

4.3.2编译器与工具链的选择............................36

5.测试系统性能与反馈循环.................................37

5.1实验设计的基本原则..................................38

5.2实地测试与数字仿真..................................40

5.3调整性能参数与反馈选出..............................41

5.4长期监控与维护......................................43

6.案例研究与实际应用.....................................43

6.1经典案例分析........................................44

6.2自定义系统的构建与改进..............................46

6.2.1构建你的性能监控系统............................46

6.2.2周期性的系统性能维护............................47

7.结论与未来趋势.........................................48

7.1书中讨论的关键发现.................................