Updated 2022-10-30 How small can we make an x86_64 Linux Rust binary? Can it compete with a pure assembly program? Let’s find out! On the way we’ll learn things about how programs are loaded on Linux and appreciate how flexible Rust can be. Starting point: 3.6 MiB Create a project: cargo new --vcs=none smallrs Replace src/main.rs with the simplest possible Rust program: fn main() { std::process::exit(42) } You might argue that this isn’t the simplest possible Rust program: fn main() { } would be...