Scalable Algorithms for Faulty R-Meshes

A.G. Bourgeois (USA) and J.A. Fernández-Zepeda (Mexico)

Keywords

Reconfigurable architecture, RMesh, fault tolerantalgorithms, scalable algorithms

Abstract

Recently, many parallel computing models using dynamically reconfigurable electrical buses have been proposed in the literature. All algorithms developed for these models assume that a healthy system is available. Unfortunately, these algorithms are useless if we assume that one processor fails in the system. To overcome this problem, this paper proposes a new approach to develop scalable fault-tolerant algorithms for the Reconfigurable Mesh. The proposed approach uses standard techniques and enables the execution of any algorithm on an N×N R Mesh with at most N faulty processors. This is accomplished by utilizing scalable algorithms incurring a low overhead in time.

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