Rust High-Frequency Quantitative Trading

Mar 18, 2026 · Fundamentals

Deep Dive into Rust’s High‑Performance String Interning Library ustr

The article explains how Rust’s ustr library implements string interning to store each unique string only once, offering O(1) pointer‑based comparison, pre‑computed hashing, zero‑cost cloning, seamless C FFI, and thread‑safe usage, while also detailing its internal design, usage patterns, suitable scenarios, and trade‑offs.