Abstract

Nowadays, many, parallel computers which many PEs are connected by interconnection network have been developed. Many interconnection networks of parallel computers for there have been proposed. Among them, 2D-Torus Network is a well-known interconnection network. In the interconnection network, there are two types of deterministic routing and adaptive routing. Adaptive routing has many advantages in such fault-tolerance. We have improved the adaptive routing algorithm based on the Turn Model for 2D-Mesh network. We have proposed a North-South First Routing(NSF) for adaptive routing of 2D-Torus Network. To modify the disadvantage of NSF, we correct the limitation of the algorithm. In this paper, we evaluate the performance of the improved method.

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