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Routing performance enhancement in hierarchical torus network by link-selection algorithm

Rahman, M.M. Hafizur and Horiguchi, Susumu (2005) Routing performance enhancement in hierarchical torus network by link-selection algorithm. Journal of Parallel and Distributed Computing, 65 (11). pp. 1453-1461. ISSN 0743-7315

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Abstract

A hierarchical torus network (HTN) is a 2D-torus network of multiple basic modules, in which the basic modules are 3D-torus networks that are hierarchically interconnected for higher-level networks. The static network performance of the HTN and its dynamic communication performance using the popular dimension-order routing algorithm have already been evaluated and shown to be superior to the performance of other conventional and hierarchical interconnection networks. In this paper, we propose a link-selection algorithm for efficient use of physical links of the HTN, while keeping the link-selection algorithm as simple as the dimension-order routing algorithm. We also prove that the proposed algorithm for the HTN is deadlock-free using three virtual channels. We evaluate the dynamic communication performance of an HTN using dimension-order routing and link-selection algorithms under various traffic patterns. We find that the dynamic communication performance of an HTN using the link-selection algorithm is better than when the dimension-order routing algorithm is used.

Item Type: Article (Journal)
Additional Information: 6724/7986
Uncontrolled Keywords: Interconnection network; HTN; Wormhole routing; Link-selection algorithm; Deadlock free routing; Dynamic communication performance
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Information and Communication Technology > Department of Computer Science
Kulliyyah of Information and Communication Technology > Department of Computer Science
Depositing User: Dr. M.M. Hafizur Rahman
Date Deposited: 08 Jul 2013 08:04
Last Modified: 15 Aug 2016 05:47
URI: http://irep.iium.edu.my/id/eprint/7986

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