2016
DOI: 10.1007/s40314-016-0394-9
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An evaluation of low-cost heuristics for matrix bandwidth and profile reductions

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Cited by 28 publications
(26 citation statements)
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“…Additionally, many solvers of sparse linear systems are computed after a matrix reordering to reduce the fill-in during Gaussian elimination. In addition, the computational cost of iterative solvers for the numerical solution of sparse linear system of equations can be reduced by using a heuristic for matrix profile reductions [2,10]. To provide more specific detail, the transfer of information to and from memory is related 2 to the number of non-null coefficients in the lines of the matrix system A. Cache misses are minimized if the non-null coefficients in each line lie in the same level of the memory hierarchy.…”
Section: Introductionmentioning
confidence: 99%
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“…Additionally, many solvers of sparse linear systems are computed after a matrix reordering to reduce the fill-in during Gaussian elimination. In addition, the computational cost of iterative solvers for the numerical solution of sparse linear system of equations can be reduced by using a heuristic for matrix profile reductions [2,10]. To provide more specific detail, the transfer of information to and from memory is related 2 to the number of non-null coefficients in the lines of the matrix system A. Cache misses are minimized if the non-null coefficients in each line lie in the same level of the memory hierarchy.…”
Section: Introductionmentioning
confidence: 99%
“…Several algorithms for profile reductions are based on a data structure known as rooted level structure (RLS) [10]. Given a vertex v ∈ V , the level structure L (v) rooted at vertex v, with depth (v), is the partitioning …”
Section: Introductionmentioning
confidence: 99%
“…Muitas heurísticas para os problemas de reduções de largura de banda e de profile de matrizes têm sido propostas desde a década de 1960 [1,2,6,8]. Em revisões sistemáticas realizadas [1,2,6,8], foram identificadas 132 heurísticas para reduções de largura de banda e/ou de profile de matrizes.…”
Section: Introductionunclassified
“…Em revisões sistemáticas realizadas [1,2,6,8], foram identificadas 132 heurísticas para reduções de largura de banda e/ou de profile de matrizes. Entre essas heurísticas, pode-se destacar o método Reverse Cuthill-McKee (RCM) [5], queé um algoritmo in-place, com baixo custo de processamento e que gera reduções de largura de banda e de profile razoáveis.…”
Section: Introductionunclassified
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