The Multi-Level Communication: Efficient Routing for Interconnection Networks

  • Authors:
  • M. B. Hadim;I. Sakho

  • Affiliations:
  • Department INGI, Université Catholique de Louvain, 2 Place Sainte-Barbe B-1348, Louvain-La-Neuve, Belgium muh@info.ucl.ac.be;LRIM, Université de Metz, Ile de Saulcy BP 794, 57045 Metz Cedex 2, France sakho@lrim.univ-metz.fr

  • Venue:
  • The Journal of Supercomputing
  • Year:
  • 2001

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Abstract

In this paper, we present a general methodology for the improvement of the criteria of a given routing scheme. We study particularly the correlation between deadlock-avoidance and paths' stretch factor [28]. We prove that the methodology preserves deadlock-avoidance. As the methodology starts from a primary communication scheme, we choose routing by Eulerian cycle rules [27] as the primary scheme. To validate the methodology, we apply the resulting routing scheme to the torus network. Then, making a judicious choice with regard to certain parameters, we prove that the result is an adaptive, deadlock-free, minimal and storage efficient routing algorithm for such networks.