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Performance analysis of finite-buffered asynchronous multistage interconnection networks

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2 Author(s)
Mohapatra, P. ; Dept. of Electr. Eng. & Comput. Eng., Iowa State Univ., Ames, IA, USA ; Das, C.R.

We present a queueing model for performance analysis of finite-buffered multistage interconnection networks. The proposed model captures network behaviour in an asynchronous communication mode and is based on realistic assumptions. A uniform traffic model is developed first and then extended to capture nonuniform traffic in the presence of a hot-spot. Throughput and delay are computed using the proposed model and the results are validated via simulation. The analysis is extended to predict performance of MIN-based multiprocessors. The effects of buffer length, switch size, and the maximum allowable outstanding requests on the system performance are discussed. Various design decisions using this model are drawn with respect to delay, throughput, and system power

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Parallel and Distributed Systems, IEEE Transactions on  (Volume:7 ,  Issue: 1 )