The Rust compiler isn't slow; we are.
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Why does rust binary take so much space?
users.rust-lang.orgAbout half of the bin size is the statically linked std, which does not get the dead code treatment from lto. You can workaround this by following the instructions here: GitHub - johnthagen/min-sized-rust: 🦀 How to minimize Rust binary size 📦 Before and after results: $ cargo build --release && strip target/release/morr && ls -l target/release/morr Finished release [optimized] target(s) in 0.10s -rwxr-xr-x 1 jay staff 286628 Apr 17 00:59 target/release/morr* $ xargo build --target x86_...