Abstract
In this paper, we study the performance of multiprocessor systems employing multiple buses as the interconnectio networks under a nonuniform requesting model, called the hi erarchical requesting model. The effective memory bandwidth is chosen as the performance measure. The multiple bus net works investigated include the multiple bus networks with full bus-memory connection, the multiple bus networks with single bus-memory connection, and the multiple bus networks with partial bus-memory connection. In this paper, we also propose one type of the multiple bus networks with partial bus-memory connection, called partial bus networks with K classes. The cost and fault-tolerant capability of each multiple bus network is also evaluated and compared to one another. It can be shown that the partial bus networks with K classes are useful in applications requiring high performance and degree of fault tolerance with moderate cost. © 1991 IEEE