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Effective approximate fault diagnosis of systems with inhomogeneous test invalidation

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1 Author(s)
Bartha, T. ; Dept. of Meas. & Instrum. Eng., Tech. Univ. Budapest, Hungary

System-level fault diagnosis is a methodology to identify, the failed components in a multiprocessor system. The traditional approach to system-level diagnosis does not take into consideration many important aspects of modern multiprocessor architectures. This paper examines a special class of multiprocessors, called massively parallel computers. As a practical example, the Parsytec GCel system is presented. The paper describes a new method developed for the Parsytec GCel, called local information diagnosis. The diagnostic algorithm is based on the generalized test invalidation model, therefore it is applicable to a wide range of systems, including inhomogeneous ones. Due to the employed syndrome decoding mechanism, the space and computational complexity of the algorithm is also smaller than in conventional methods

Published in:

EUROMICRO 96. Beyond 2000: Hardware and Software Design Strategies., Proceedings of the 22nd EUROMICRO Conference

Date of Conference:

2-5 Sep 1996