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On the Performance of Synchronous Multiprocessors

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1 Author(s)
Hung-Chang Du ; Department of Computer Science, University of Minnesota

In this correspondence, we study the performance of a multiprocessor in which a crossbar is employed to interconnect p processors to m commonly shared memory modules. A set of nonuniformly distributed probabilities including a probability P(0) which denotes the probability of a processor not generating any request is also employed to illustrate the program behavior, but no distinction is made between processors. Several relations between the average request completion time, the average processor utilization, and the effective memory bandwidth are obtained. One approximation method based on the idea of aggregation is proposed. Its solutions are compared to the exact solution.

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Computers, IEEE Transactions on  (Volume:C-34 ,  Issue: 5 )