Stale Data, or How We (Mis-)manage Modern Caches by Mark Rutland

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https://www.youtube.com/watch?v=F0SlIMHRnLk

Much of what you think you know about the subject is probably wrong. It turns out that software — and computer education curricula — have not always kept up with new developments in hardware. “Cache behavior is surprisingly complex, and caches behave in subtly different ways across SoCs,” Mark Rutland said in his presentation at the Embedded Linux Conference.