What is parallel workload serialization overhead?

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What is parallel workload serialization overhead?

Parallel workload serialization overhead refers to the additional time and resources required to synchronize and coordinate parallel tasks or processes in a parallel computing system. It occurs when multiple tasks need to access shared resources or communicate with each other, leading to potential delays and inefficiencies in the overall execution time. This overhead can arise due to the need for synchronization mechanisms, such as locks or barriers, to ensure proper coordination and consistency among parallel tasks. Minimizing parallel workload serialization overhead is crucial for achieving efficient parallel execution and maximizing the benefits of parallel computing.