1989IEEE Transactions on ComputersRequires access

Minimum distance: a method for partitioning recurrences for multiprocessors

Jih-Kwon Peir, Ron K. Cytron

Open publisher page 6 citations

Abstract

Parallel execution of nonvectorizable uniform recurrences is considered. When naively scheduled, such recurrences could create unacceptable communication and synchronization on a multiprocessor. The minimum-distance method partitions such recurrences into totally independent computations without increasing redundancy or perturbing numerical stability. The independent computations are well suited for execution on a multiprocessor, but they may not utilize all available processors. How extra processors can be applied to the independent computations is addressed. The methods are especially attractive for multiprocessors comprised of clusters.>

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Parallel execution of nonvectorizable uniform recurrences is considered. When naively scheduled, such recurrences could create unacceptable communication and synchronization on a multiprocessor. The minimum-distance method partitions such recurrences into totally independent computations without increasing redundancy or perturbing numerical stability. The independent computations are well suited for execution on a multiprocessor, but they may not utilize all available processors. How extra processors can be applied to the independent computations is addressed. The methods are especially attractive for multiprocessors comprised of clusters.>

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Available abstract

Parallel execution of nonvectorizable uniform recurrences is considered. When naively scheduled, such recurrences could create unacceptable communication and synchronization on a multiprocessor. The minimum-distance method partitions such recurrences into totally independent computations without increasing redundancy or perturbing numerical stability. The independent computations are well suited for execution on a multiprocessor, but they may not utilize all available processors. How extra processors can be applied to the independent computations is addressed. The methods are especially attractive for multiprocessors comprised of clusters.>

Key concepts: Parallel computing, Multiprocessing, Computer science, Computation, Redundancy (engineering), Synchronization (alternating current), Parallel algorithm, Algorithm

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