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ＢＹＳ９１－１是基于ＲＩＳＣｉ８６０ＸＰ设计的具有局部存储和共享存储的多机系统。本文以排队论为工具，建立了该系统存储器的排队模型，给出了存储器使用频带的解析式，并结合具体的设计参数，分析了系统中处理机个数、存储空间配置对存储器有效频带的影响。
The BYS91-1 is a RISCi860XP-based multi-machine system with local storage and shared storage. In this paper, the queuing theory is used as a tool to establish the queuing model of memory in the system. The analytical expression of memory usage frequency band is given. Combined with the specific design parameters, the number of processors and the allocation of memory space to the effective frequency band of memory influences.