Anyone who has tried to compile Rust projects on a system with many cores while running htop could tell you that it spends a whole lot of time using only a few

Anyone who has tried to compile Rust projects on a system with many cores while running htop could tell you that it spends a whole lot of time using only a few cores. Remember, Rust is not like C where the interface definitions (header files) exist on disk so all files can be compiled completely independently.