4 docs tagged with "cpu-architecture"

Compare-and-swap, load-linked/store-conditional, and what an atomic instruction costs in cache-line ownership.

A CPU executing a stream of instructions needs a way to stop doing that and run something else.

Why a multiprocessor does not execute your loads and stores in the order you wrote them, and what a fence actually buys.

An operating system has to run code it does not trust — a downloaded binary, a browser tab, a