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The performance of the m-level hierarchical multiprocessor system is analyzed in terms of the system bandwidth for both hierarchically nonuniform reference and uniform reference models. The results show that for a higher rate of local requests (requests to memory modules within the same cluster) the m-level system performs fairly close to the crossbar system and outperforms a typical multiple-bus system (with the number of buses equal to half the number of processors). The bandwidth of the m-level system is evaluated for different numbers of levels, and the results are compared with those of a crossbar system (m=1).
Index Termsperformance analysis; hierarchical multiprocessor systems; system bandwidth;hierarchically nonuniform reference; local requests; memory modules; m-level system;crossbar system; multiple-bus system; multiprocessing systems; multiprocessorinterconnection networks; performance evaluation; probability

A. Elmagarmid and I. Mahgoub, "Performance Analysis of a Generalized Class of M-Level Hierarchical Multiprocessor Systems," in IEEE Transactions on Parallel & Distributed Systems, vol. 3, no. , pp. 129-138, 1992.
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