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Efficient Computations on fault-prone BSP machines
In this paper general simulations of algorithms designed for fully operational BSP machines on BSP machines with faulty or unavailable processors, are developed. The fail-stop model is considered for the fault occurrences, that is, if a processor fails or becomes unavailable, it remains so until the end of the computation. The faults are random, in the sense that a processor may fail independently with probability at most a, where a is a constant