Writing a multigrid solver using co-array fortran

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Conference object , Article 01 Jan 1998Publisher:Springer Berlin Heidelberg

Authors: Robert W. Numrich; John K. Reid; Kieun Kim;

doi: 10.1007/bfb0095362

Writing a multigrid solver using co-array fortran

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Abstract

Co-Array Fortran, known previously as F−-, is an extension to Fortran 95 that combines elegance of expression with simplicity of implementation to give an efficient parallel programming language. We illustrate its power and efficiency with a multigrid solver for Poisson’s equation in three dimensions. We examine the effect of latency and bandwidth for the co-array version compared with an equivalent MPI version on two machines, the SGI/CRAY ORIGIN 2000 and the CRAY-T3E.

Related Organizations

Rutherford Appleton Laboratory
United Kingdom
Syracuse University
United States
Science and Technology Facilities Council
United Kingdom

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