Parallel LU factorization of band matrices on SMP systems

Authors:
Alfredo Remón;Enrique S. Quintana-Ortí;Gregorio Quintana-Ortí
Affiliations:
Depto. de Ingeniería y Ciencia de Computadores, Universidad Jaume I, Castellón, Spain;Depto. de Ingeniería y Ciencia de Computadores, Universidad Jaume I, Castellón, Spain;Depto. de Ingeniería y Ciencia de Computadores, Universidad Jaume I, Castellón, Spain
Venue:
HPCC'06 Proceedings of the Second international conference on High Performance Computing and Communications
Year:
2006

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Abstract

In this paper we present two routines for the LU factorization of band matrices that target (parallel) SMP architectures and expose coarser-grain parallelism than their LAPACK counterpart. Preliminary experimental results on two different parallel platforms show some initial benefits for the new approach.