Abstract
In previous work, a novel scheme for constructing fault-tolerant multistage interconnection networks (MINs) was presented. The constructed augmented partitioned MINs (APMINs) were evaluated using a switch level fault model in terms of full access (FA) and dynamic full access (DFA) measures. The simulation results showed that the proposed scheme significantly improved the fault-tolerant capability of MINs. Based on the small synchronous clock scheme, we first analyze the performance of this class of synchronous packet-switched APMINs. We then evaluate the performance of the APMIN-based tightly coupled and loosely coupled multiprocessor systems using a hybrid probabilistic and queueing model. The performance of this class of fault-tolerant multiprocessor systems and that of systems employing Omega and modified Omega (MD-Omega) networks are also compared.
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