ByteDance Web Infra

Jul 8, 2025 · Fundamentals

How to Build Ultra‑Fast Static Query Maps in Rust Without Runtime Overhead

This article explains why embedding large static JSON data is inefficient, introduces Minimal Perfect Hash Functions (MPHF) and various static map constructions, shows how to pack strings and avoid relocation overhead, and demonstrates the resulting improvements in binary size, lookup speed, memory usage, and compile time.