> For the complete documentation index, see [llms.txt](https://hansimov.gitbook.io/csapp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hansimov.gitbook.io/csapp/part1/ch05-optimizing-program-performance.md).

# 第 5 章：优化程序性能