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Issue No.08 - August (1996 vol.7)
pp: 876-885
ABSTRACT
<p><b>Abstract</b>—A new approach to broadcast in wormhole-routed two- and three-dimensional torus networks is proposed. The underlying network is assumed to support only deterministic, dimension-ordered unicast routing. The approach extends the graph theoretical concept of dominating nodes by accounting for the relative distance-insensitivity of the wormhole routing switching strategy. The proposed algorithm also takes advantage of an <it>all-port</it> communication architecture, which allows each node to simultaneously transmit messages on different outgoing channels. The resulting broadcast operation is based on a tree structure that uses multiple levels of <it>extended dominating nodes</it> (EDNs). Performance results are presented that confirm the advantage of this method over other approaches.</p>
INDEX TERMS
Broadcast, collective communication, torus, wormhole routing, all-port, dominating set.
CITATION
Yih-jia Tsai, Philip K. McKinley, "A Broadcast Algorithm for All-Port Wormhole-Routed Torus Networks", IEEE Transactions on Parallel & Distributed Systems, vol.7, no. 8, pp. 876-885, August 1996, doi:10.1109/71.532118
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