Introduction — Erlang System Documentation v28.1.1

Purpose"Premature optimization is the root of all evil" (D.E. Knuth) Efficient code can be well-structured and clean, based on a sound overall architecture and sound algorithms. Efficient code can be highly implementation-dependent code that bypasses documented interfaces and takes advantage of obscure quirks. Ideally, your code only contains the first type of efficient code. If that turns out to