Parallel solution of band linear systems in model reduction

被引：0

作者：

Remon, Alfredo ^{[1
]}

Quintana-Orti, Enrique S. ^{[1
]}

Quintana-Orti, Gregorio ^{[1
]}

机构：

[1] Univ Jaume 1, Dept Ingn & Ciencia Computadores, Castellon de La Plana 12071, Spain

来源：

PARALLEL PROCESSING AND APPLIED MATHEMATICS | 2008年 / 4967卷

关键词：

model reduction; band linear systems; LU factorization; multithreaded BLAS; symmetric multiprocessors (SMP);

D O I：

暂无

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

In this paper we present two parallel routines for the LU factorization of band matrices arising in model reduction problems that target SMP architectures. The special properties of these problems often allows the elimination of pivoting during the factorization, and results in a higher efficiency of the parallel routines. Also, the routines aggregate operations during the iteration, exposing a coarser-grain parallelism than their LAPACK counterpart. Experimental results on two different parallel platforms show the benefits of the new approach.

引用

页码：678 / 687

页数：10

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