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A closed queueing network model is constructed to address workload effects on computer performance for a highly reliable unibus multiprocessor used in real-time control. The model consists of multiserver nodes and a nonpreemptive priority queue. Use of this model requires partitioning the workload into task classes. The time-average steady-state solution of the queuing model directly produces u
performance modelling; performance measurement; workload partitioning; real time multiprocessors; time-shared buses; closed queueing network model; highly reliable unibus multiprocessor; real-time control; multiserver nodes; nonpreemptive priority queue; fault-tolerant multiprocessor; NASA AIRLAB; processor idle time; system bus contention; task processing times; multiprocessing systems; performance evaluation; queueing theory; real-time systems; time-sharing systems.

M. Woodbury and K. Shin, "Performance Modeling and Measurements of Real Time Multiprocessors with Time-Shared Buses," in IEEE Transactions on Computers, vol. 37, no. , pp. 214-224, 1988.
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