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领袖气质

售穴

Highly Parallel Sparse Triangular Solution,titioned representation of the inverse of the triangular matrix so that the solution can be computed by matrix-vector multiplication. The number of factors in the partitioned inverse is proportional to the number of general communication steps (router steps on a CM-2) required in a highly parallel a

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The Fan-Both Family of Column-Based Distributed Cholesky Factorization Algorithms,at communicates aggregate update columns among processors. In this paper we show that these two very different methods are members of a “fan-both” algorithm family..To each member of this algorithm family is associated a pair of integers, (.., ..), where .... = ., the number of processors. The fan-o

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The Efficient Parallel Iterative Solution of Large Sparse Linear Systems,t results from a wide variety of research areas. Parallel graph heuristics, convergence analysis, and basic linear algebra implementation issues must all be considered..In this paper, we discuss how we have incorporated these results into a general-purpose iterative solver. We present two recently d

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https://doi.org/10.1007/978-981-13-2083-5 associated with advanced computer architectures. This paper is a unified and elementary introduction to the standard characterizations of chordal graphs and clique trees. The pace is leisurely, as detailed proofs of all results are included. We also briefly discuss applications of chordal graphs an

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Minorities and the First World Wars aim to find elimination orderings with either low fill, low operation count, or low elimination height. Though many heuristics seem to perform well in practice, there has been a marked absence of much theoretical analysis to back these heuristics. Indeed, few heuristics are known to provide any gu

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s. This approach makes use of the underlying geometric structure of a given mesh and finds a provably good partition in random .(.) time. It applies to meshes in both two and three dimensions. The new method has applications in efficient sequential and parallel algorithms for large-scale problems in