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BLOCK PARTITIONING IN THE PARALLEL RECURSIVE DECOUPLING METHOD

 

作者: D. J. EVANS,   G. SPALETTA,  

 

期刊: Parallel Algorithms and Applications  （Taylor Available online 1994）
卷期: Volume 3, issue 3-4  

页码: 331-347

 

ISSN:1063-7192

 

年代: 1994

 

DOI:10.1080/10637199408962546

 

出版商: Taylor & Francis Group

 

关键词: Parallel linear algebra;tridiagonal linear systems;recursive decoupling;2 × 2;3 × 3;4 × 4 block partitioning;G.1.3

 

数据来源: Taylor

 

摘要:

New 3 × 3 and 4 × 4 block partitioning techniques are presented for the Recursive Decoupling Method and tested on a set of tridiagonal linear systems. A comparison with the original 2 × 2 partitioning method [ 1], for accuracy, numerical stability and parallel performance, is also considered. All tests have been carried out on parallel shared memory architecture, such as the Sequent Balance8000 multiprocessor and the CRAY Y-MP parallel/ Vector supercomputer.

 

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