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<p>The authors study the performance of multiprocessor systems employing multiple buses as the interconnection networks under a nonuniform requesting model, called the hierarchical requesting model. The effective memory bandwidth is chosen as the performance measure. The networks investigated include multiple bus networks with full bus-memory connection, multiple bus networks with single bus-memory connection, and multiple bus networks with partial bus-memory connection. The authors also propose a type of multiple bus network with partial bus-memory connection, called partial bus networks with K classes. The N costs and fault-tolerant capabilities of the multiple bus networks are also evaluated and compared to one another. It is shown that the partial bus networks with K classes are useful in applications requiring high performance and degree of fault tolerance with moderate cost.</p>
multiple bus interconnection networks; hierarchical requesting model; multiprocessor systems; full bus-memory; multiple bus network; partial bus-memory connection; high performance; fault tolerance; multiprocessing systems; multiprocessor interconnection networks; performance evaluation.

W. T. Chen and J. Sheu, "Performance Analysis of Multiple Bus Interconnection Networks with Hierarchical Requesting Model," in IEEE Transactions on Computers, vol. 40, no. , pp. 834-842, 1991.
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