An MPI implementation of the SPAI preconditioner on the T3E

Journal Article · Mon Sep 08 00:00:00 EDT 1997 · International Journal of High Performance ComputingApplications

OSTI ID:899790

Barnard, Stephen T; Bernardo, Luis M; Simon, Horst D

The authors describe and test spai_1.1, a parallel MPIimplementation of the sparse approximate inverse (SPAI) preconditioner.They show that SPAI can be very effective for solving a set of very largeand difficult problems on a Cray T3E. The results clearly show the valueof SPAI (and approximate inverse methods in general) as the viablealternative to ILU-type methods when facing very large and difficultproblems. The authorsstrengthen this conclusion by showing that spai_1.1also has very good scaling behavior.

• Research Organization: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
• Sponsoring Organization: USOER Director. Office of Computational and TechnologyResearch. Division of Mathematical Information and ComputationalSciences, Laboratory Directed Research and Development
• DOE Contract Number: DE-AC02-05CH11231
• OSTI ID: 899790
• Report Number(s): LBNL-40794
• Journal Information: International Journal of High Performance ComputingApplications, Vol. 13, Issue 2; Related Information: Journal Publication Date: 1999
• Country of Publication: United States
• Language: English