A MESSAGE-ROUTING STRATEGY FOR MULTICOMPUTER SYSTEMS

被引:3
作者
CHOI, HA [1 ]
ESFAHANIAN, AH [1 ]
机构
[1] MICHIGAN STATE UNIV,DEPT COMP SCI,E LANSING,MI 48824
关键词
D O I
10.1002/net.3230220703
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 [计算机科学与技术];
摘要
A natural communication problem in a multicomputer system, such as the hypercube, is that a processor (called the source) wants to send a message to a number of other processors (destinations). A message-routing paradigm for such a multidestination communication has been formulated as finding a subgraph called an Optimal Communication Tree (OCT). We prove that the problem of finding an OCT is NP-hard for the n-cube graph as well as for a graph whose maximum degree is at most three. Heuristics for finding suboptimal communication trees for the hypercube multicomputer are discussed.
引用
收藏
页码:627 / 646
页数:20
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