Well, opinions in the Rust community clearly differ: "Rust is blazingly fast and memory-efficient: with no runtime or garbage collector" [0] I guess it depend

Well, opinions in the Rust community clearly differ: "Rust is blazingly fast and memory-efficient: with no runtime or garbage collector" [0] I guess it depends on what you mean by a runtime. Panic handlers and initialisation code is a pretty small runtime. [0] https://www.rust-lang.org/ https://www.rust-lang.org/