compare-and-swap

1 free lesson tagged compare-and-swap across Programming. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.

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Memory Models, Atomics, and Lock-Free

The CPU and compiler silently reorder your code. Cache coherence does not mean coherent behavior. This lesson explains the happens-before relation, memory fences, C++ and Java atomic operations, compare-and-swap, and why `volatile` is not a synchronization primitive.

9 steps·~14 min

Memory Models, Atomics, and Lock-Free

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