Parallel Overhead is

Question

Options:

A . Observed speedup of a code which has been parallelized, defined as: wall-clock time of serial execution and wall-clock time of parallel execution

B . The amount of time required to coordinate parallel tasks. It includes factors such as: Task start-up time, Synchronizations, Data communications.

C . Refers to the hardware that comprises a given parallel system - having many processors

D . None of these

Answer: Option B
Answer: (b)

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