A parallel iterative solver based on the Schur complement system

被引：0

作者：

Larrazábal, G ^{[1
]}

Cela, JM ^{[1
]}

机构：

[1] Univ Carabobo, FACYT, Dept Computac, Valencia, Venezuela

来源：

INTERNATIONAL CONFERENCE ON PARALLEL PROCESSING WORKSHOPS, PROCEEDINGS | 2001年

关键词：

D O I：

10.1109/ICPPW.2001.951921

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We present a parallel iterative solver for the Schur system. We have developed two preconditioners for this system. The preconditioners are based in a strongly dropped factorisation and algebraic multigrid technique, respectively. Two levels of parallelism are exploited using PVM and openMP. The preconditioners are tested with a scalar convection-diffusion equation, a set of industrial test cases arising from the finite element package PERMAS and the Davis collection. We have obtained quasi-linear speed-up until 32 processors.

引用

页码：149 / 154

页数：4

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