Post #13433 83 Sep 10, 2026, 04:29 UTC Optimizing a Spin-Lockhttps://david.alvarezrosa.com/posts/optimizing-a-spin-lock/https://redd.it/1wbr6an@programmingreddit David Álvarez Rosa Optimizing a Spin-Lock | David Álvarez Rosa A spin-lock is a lock that never sleeps. Instead of yielding to the scheduler, the thread stays on the CPU and spins. No syscalls. No context switches. In this …