Embedding meshes/tori in faulty crossed cubes

被引:29
作者
Yang, Xiaofan [1 ]
Dong, Qiang [1 ]
Tang, Yuan Yan [1 ,2 ]
机构
[1] Chongqing Univ, Coll Comp Sci, Chongqing 400044, Peoples R China
[2] Hong Kong Baptist Univ, Dept Comp Sci, Kowloon, Hong Kong, Peoples R China
关键词
Interconnection networks; Crossed cube; Graph embedding; Mesh; Torus; Fault-tolerance; CONDITIONAL LINK FAULTS; HAMILTONIAN CYCLES; PATH; FAMILY;
D O I
10.1016/j.ipl.2010.04.007
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The crossed cube is an important variant of the hypercube which is the most popular interconnection network for parallel processing. This paper is concerned with the problem of embedding meshes/tori in faulty crossed cubes. We reduce this mesh/tori embedding problem to the problem of embedding paths/cycles in faulty crossed cubes. Then, by exploiting the fault-tolerant pancyclicity of crossed cubes of lower dimension, several schemes for embedding 2D or 3D meshes/tori in faulty crossed cubes are proposed. All of these embeddings have small dilations and small congestions. The obtained results show that the parallel algorithms with mesh/torus task graphs can be efficiently executed on faulty crossed cubes. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:559 / 564
页数:6
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