Question: Parallel and concurrent Programming Exclusive locking is a pessimistic technique it assumes a worst-case scenario. An optimistic approach proceeds with an update, hopeful that it

Parallel and concurrent Programming

Exclusive locking is a pessimistic technique it assumes a worst-case scenario. An optimistic approach proceeds with an update, hopeful that it can complete without interference. Explain how lock free data structures provide an optimistic approach to locking. Are there situations where lock free data structures perform worse than locking data structures?

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