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A Highly Scalable CC-NUMA System with Skipped Dual Links  

서효중 (가톨릭대학교 컴퓨터정보공학부)
Publication Information
Journal of KIISE:Computer Systems and Theory / v.31, no.9, 2004 , pp. 487-494 More about this Journal
Abstract
The multiprocessor system suffers interconnection network contension while exploiting the program's parallelism. A CC-NUMA system based on point-to-point link ring structure is one of the scalable architectures that expand the system bandwidth the number of processors/nodes increases. The dual-ring system is a simple solution to enhance the system performance and scalability by duplicating the links. In ring-based systems, an unbalanced transaction among links makes a hot spot on the interconnection network. In this situation, total system performance and scalability are bound by the hot spot of the links In this paper, I propose a dual-link CC-NUMA system, which alleviates the concentration of transactions among the links. By the simulation results, the proposed system significantly outperforms the single-ring and bidirection dual-ring systems. In addition, the proposed system show better distribution of transactions among the links that achieves an extended scalability.
Keywords
CC-NUMA system based on ring structure; dual-link; scalability;
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Times Cited By KSCI : 1  (Citation Analysis)
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