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A fault-tolerant parallel sorting algorithm developed using the application-oriented fault tolerance paradigm is presented. The algorithm is tolerant of one processor/link failure in an n-cube. The addition of reliability to the sorting algorithm results in a performance penalty. Asymptotically, the fault-tolerant algorithm is less costly than host sorting.Experimentally it is shown that fault-tolerant sorting quickly becomes more efficient than host sorting when the bitonic sort/merge is considered. The main contribution is the demonstration that the application-oriented fault tolerance paradigm is applicable to problems of a noniterative-convergent nature.
Index Termsreliable distributed sorting; noniterative convergence; application-oriented faulttolerance; fault-tolerant parallel sorting algorithm; processor/link failure; n-cube;performance penalty; host sorting; bitonic sort/merge; fault tolerant computing; parallelalgorithms; parallel programming; programming theory; sorting

B. McMillin and L. Ni, "Reliable Distributed Sorting Through the Application-Oriented Fault Tolerance Paradigm," in IEEE Transactions on Parallel & Distributed Systems, vol. 3, no. , pp. 411-420, 1992.
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