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Parallel Acceleration of Krylov Solvers by Factorized Approximate Inverse Preconditioners

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High Performance Computing for Computational Science - VECPAR 2004 (VECPAR 2004)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 3402))

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Abstract

This paper describes and tests a parallel implementation of a factorized approximate inverse preconditioner (FSAI) to accelerate iterative linear system solvers. Such a preconditioner reveals an efficient accelerator of both Conjugate gradient and BiCGstab iterative methods in the parallel solution of large linear systems arising from the discretization of the advection-diffusion equation. The resulting message passing code allows the solution of large problems leading to a very cost-effective algorithm for the solution of large and sparse linear systems.

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Authors and Affiliations

  1. Dipartimento di Metodi e Modelli Matematici per le Scienze Applicate, Università di Padova, via Belzoni 7, Padova, Italy

    Luca Bergamaschi & Ángeles Martínez

Authors
  1. Luca Bergamaschi
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  2. Ángeles Martínez
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Editor information

Editors and Affiliations

  1. INP (ENSEEIHT); IRIT, University of Toulouse, rue Charles-Camichel, 31071, Toulouse CEDEX 7, France

    Michel Daydé

  2. Computer Science Department, University of Tennessee, 37996-3450, Knoxville, TN, USA

    Jack Dongarra

  3. EUIT Telecomunicación - DIATEL, Universidad Politécnica de Madrid, Ctra. Valencia, Km. 7, 28031, Madrid, Spain

    Vicente Hernández

  4. Faculdade de Engenharia da Universidade do Porto, Rua Dr. Roberto Frias s/n, 4200-465, Porto, Portugal

    José M. L. M. Palma

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© 2005 Springer-Verlag Berlin Heidelberg

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Bergamaschi, L., Martínez, Á. (2005). Parallel Acceleration of Krylov Solvers by Factorized Approximate Inverse Preconditioners. In: Daydé, M., Dongarra, J., Hernández, V., Palma, J.M.L.M. (eds) High Performance Computing for Computational Science - VECPAR 2004. VECPAR 2004. Lecture Notes in Computer Science, vol 3402. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11403937_47

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  • DOI: https://doi.org/10.1007/11403937_47

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-25424-9

  • Online ISBN: 978-3-540-31854-5

  • eBook Packages: Computer ScienceComputer Science (R0)

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