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PCG: a software package for the iterative solution of linear systems on scalar, vector and parallel computers

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2 Author(s)
Joubert, W. ; Comput. Res. & Applications, Los Alamos Nat. Lab., NM, USA ; Carey, G.F.

The PCG package is a software system for solving systems of linear equations by means of preconditioned conjugate gradient (PCG)-type iterative methods on a variety of computer architectures. The software is designed to give high performance with a nearly identical user interface across different scalar, vector and parallel platforms, as well as across different programming models, such as shared-memory, data-parallel and message-passing programming interfaces. The basic features of the package are discussed, as well as techniques used to attain portability and high performance. Representative results for several computers are given

Published in:

Scalable High-Performance Computing Conference, 1994., Proceedings of the

Date of Conference:

23-25 May 1994

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