https://besterry.com/tags/golang/Recent content in Golang on Besterry — Linux & DevOps NotesHugoen-usMon, 25 Nov 2024 00:00:00 +0000https://besterry.com/posts/rust-vs-go-for-cli-tools/Mon, 25 Nov 2024 00:00:00 +0000https://besterry.com/posts/rust-vs-go-for-cli-tools/<p>After writing CLI tools in both Rust and Go over the last few years, here are the things that actually matter when choosing between them.</p> <h2 id="startup-time">Startup time</h2> <p>Go wins. A trivial Go program starts in ~1-5ms. A trivial Rust program also starts in ~1-5ms. Both are negligible for CLI tools. (The old argument about Go&rsquo;s startup was mostly about JVM-vs-Go, not Go-vs-Rust.)</p> <h2 id="binary-size">Binary size</h2> <p>Out of the box:</p> <ul> <li>Go: 5-15 MB for a small program</li> <li>Rust: 2-8 MB for a small program (with LTO and strip)</li> </ul> <p>After aggressive optimization:</p>