Proceedings of the 1997 International Conference on Parallel Processing
IEEE Computer Society
A performance model for wormhole routed interconnection networks is presented and applied to the butterfly fat-tree network. Experimental results agree very closely over a wide range of load rate. Novel aspects of the model, leading to accurate and simple performance predictions, include (1) use of multiple-server queues, and (2) a general method of correcting queuing results based on Poisson arrivals to apply to wormhole routing. These ideas can also be applied to other networks.
Ronald I. Greenberg and Lee Guan. An improved analytical model for wormhole routed networks with application to butterfly fat-trees. In Hank Dietz, editor, Proceedings of the 1997 International Conference on Parallel Processing, pages 44--48. IEEE Computer Society Press, August 1997.
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