Study note
How branches influence the performance of your code and what can you do about it?
Properties
- Type
- Blogs
- Status
- 待读
- Domain
- Systems
- Category
- CPU 架构与性能工程
- Source
- johnnysswlab.com
- Vault note
library/articles/systems/How-branches-influence-the-performance-of-your-code-and-what-can-you-do-about-it-a9f866c4461b4a4c.md
Summary
Johnny's Software Lab 关于分支对性能影响的文章，讨论分支预测、错误预测、branchless 技巧、数据布局和缓存行为之间的权衡。
Highlights
适合写性能敏感代码前阅读，能避免把 branchless 当银弹，学会结合数据分布和缓存局部性判断。
Notes
分支预测、分支错误预测、branchless 写法与数据缓存之间的性能权衡。
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