What are the differences between lock-free and wait-free algorithms?
Lock-free algorithms guarantee that at least one thread will make progress, while wait-free algorithms ensure that every thread will complete its operation in a finite number of steps.
Which one is better for real-time systems?
Wait-free algorithms are generally better for real-time systems because they guarantee that every operation will complete in a bounded time, ensuring predictability.
Can you give an example of each type?
Sure! An example of a lock-free algorithm is the Michael-Scott queue, while an example of a wait-free algorithm is the Treiber stack.
What are the performance implications of using one over the other?
Lock-free algorithms can be more efficient in terms of throughput, but wait-free algorithms provide stronger guarantees, which can be crucial in certain applications.
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