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A broadcast algorithm for all-port wormhole-routed torus networks

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2 Author(s)
Yih-Jia Tsai ; Dept. of Comput. Sci., Michigan State Univ., East Lansing, MI, USA ; McKinley, P.K.

A new approach to broadcast in wormhole-routed two- and three-dimensional torus networks is proposed. The approach extends the concept of dominating sets from graph theory by accounting for the relative distance-insensitivity of the wormhole routing switching strategy and by taking advantage of an allport communication architecture. The resulting broadcast operation is based on a tree structure that uses multiple levels of extended dominating nodes (EDN). Performance results are presented that confirm the advantage of this method over recursive doubling

Published in:

Frontiers of Massively Parallel Computation, 1995. Proceedings. Frontiers '95., Fifth Symposium on the

Date of Conference:

6-9 Feb 1995