Performance modelling of adaptive routing communication networks in multi-cluster systems under bit-reversal traffic
by Hojjat Sharifi; Mohammad K. Akbari; Bahman Javadi
International Journal of Communication Networks and Distributed Systems (IJCNDS), Vol. 12, No. 4, 2014

Abstract: Several analytical models of interconnection networks of multi-cluster systems under uniform traffic pattern have been proposed in the literature. However, there has been hardly any work reported yet that deals with other important non-uniform traffic patterns found in many parallel applications. In this paper we propose a new analytical model of adaptive routing in fat-tree-based interconnection networks in the presence of traffic pattern generated by bit-reversal permutation, which is an important communication operation in parallel applications such as FFT computations. The model is validated through comprehensive simulation, through which the proposed model exhibited a good degree of accuracy for various system organisations and under different working conditions.

Online publication date: Sat, 21-Jun-2014

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