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
收藏
页码：149 / 154
页数：4
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