Optimal Group Gossiping in Hypercubes Under A Circuit-Switching Model

  • Authors:
  • Satoshi Fujita;Masafumi Yamashita

  • Affiliations:
  • -;-

  • Venue:
  • SIAM Journal on Computing
  • Year:
  • 1996

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Abstract

Let $U$ be a given set of nodes of a parallel computer system and assume that each node $u$ in $U$ has a piece of information $t(u)$ called a token. This paper discusses the problem of each $u\in U$ broadcasting its token $t(u)$ to all nodes in $U$. We refer to this problem as the group-gossiping problem, which includes the (conventional) gossiping problem as a special case. In this paper, we consider the group-gossiping problem in $n$-cubes under a circuit-switching model and propose an optimal group-gossiping algorithm for $n$-cubes under the model.