MPI implementation of parallel subdomain methods for linear and nonlinear convection--diffusion problems

Authors:
Ming Chau;Didier El Baz;Ronan Guivarch;Pierre Spiteri
Affiliations:
ENSEEIHT-LIMA-IRIT, 2, rue Charles Camichel, 31071 Toulouse, France;LAAS-CNRS, 7, avenue du Colonel Roche, 31077 Toulouse Cedex 4, France;ENSEEIHT-LIMA-IRIT, 2, rue Charles Camichel, 31071 Toulouse, France;ENSEEIHT-LIMA-IRIT, 2, rue Charles Camichel, 31071 Toulouse, France
Venue:
Journal of Parallel and Distributed Computing
Year:
2007

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Abstract

The solution of linear and nonlinear convection-diffusion problems via parallel subdomain methods is considered. MPI implementation of parallel Schwarz alternating methods on distributed memory multiprocessors is discussed. Parallel synchronous and asynchronous iterative schemes of computation are studied. Experimental results obtained from IBM-SP series machines are displayed and analyzed. The benefits of using parallel asynchronous Schwarz alternating methods are clearly shown.