Code Wrench

Nov 2, 2025 · Fundamentals

Unlocking Go’s sync/atomic: How Atomic Operations Achieve Lock‑Free Concurrency

This article dives deep into Go’s sync/atomic package, explaining its low‑level CPU implementation, performance advantages over mutexes, core operation families, practical examples like CAS‑based spin locks and atomic.Value hot‑reloading, and provides guidance on when to choose atomic primitives.