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On self-diagnosable multiprocessor systems: diagnosis by the comparison approach

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2 Author(s)
Sengupta, A. ; Dept. of Comput. Sci., South Carolina Univ., Columbia, SC, USA ; Dahbura, A.T.

The diagnosability and diagnosis problems for a model introduced by J. Maeng and M. Malek (1981) of a self-diagnosable multiprocessor system where processors compare the results of tasks performed by other processors in the system are analyzed. A set of criteria is given for determining whether the faulty processors in the system can be diagnosed on the basis of the comparisons, and a polynomial-time algorithm is presented to identify the faulty units of such a system on the basis of the comparison results when the system is known to be diagnosable

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Computers, IEEE Transactions on  (Volume:41 ,  Issue: 11 )