# Reference - [开启Link Time Optimization(LTO)后到底有什么优化?](https://www.jianshu.com/p/58fef052291a) - [Profile-guided optimization](https://gclxry.com/article/visual-studio-profile-guided-optimization/) - [GCC - LTO](https://gcc.gnu.org/onlinedocs/gccint/LTO-Overview.html) # Brief - LTO - `Link Time Optimization` - 将一些函数內联化 - 去除了一些无用代码 - 对程序有全局的优化作用 - PGO - `Profile Guided Optimization` # UseCase
Reference
Brief
Link Time OptimizationProfile Guided OptimizationUseCase