Publications of
Luc Giraud, Serge Gratton, Xavier Pinel, Xavier Vasseur
Flexible GMRES with Deflated Restarting
In : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 32 N. 4, pp. 1858-1878, 2010.
Parallel algebraic hybrid solvers for large 3D convection-diffusion problems
In : Numerical Algorithms, Springer-Verlag, Heidelberg, Allemagne, Vol. 51 N. 2, pp. 151-177, 2009.
Marc Baboulin, Luc Giraud, Serge Gratton, Julien Langou
Parallel tools for solving incremental dense least squares problems. application to space geodesy.
In : Journal of Algorithms and Computational Technology, Multi-Science Publishing, UK, Vol. 31 N. 1, pp. 117-131, 2009.
Abdellatif El Ghazi, Said El Hajji, Luc Giraud, Serge Gratton
Newton’s method for the common eigenvector problem
In : Journal of Computational and Applied Mathematics, Elsevier, Vol. 219 N. 2, pp. 398-407, 2008.
Valérie Frayssé, Luc Giraud, Serge Gratton
Algorithm 881: A set of FGMRES routines for real and complex arithmetics on high performance computers
In : ACM Transactions on Mathematical Software (TOMS), ACM : Association for Computing Machinery, New York, États-Unis, Vol. 35 N. 2, pp. 1-12, 2008.
Luc Giraud, Azzam Haidar, Layne T. Watson
Parallel scalability study of hybrid preconditioners in three dimensions
In : Parallel Computing, World Scientific, Vol. 34, pp. 363-379, 2008.
Stéphane Operto, Jean Virieux, Patrick Amestoy, Luc Giraud, Jean-Yves L’Excellent
3D frequency-domain finite difference modeling of acoustic wave propagation using a massively parallel direct solver : a feasibility study
In : Geophysics, Society of Exploration Geophysicists, USA, Vol. 72 N. 5, pp. 195-211, 2007.
Denis Mariano-Goulart, Pierre Maréchal, Serge Gratton, Luc Giraud, M. Fourcade
A priori selection of the regularization parameters in emission tomography by Fourier
In : Computerized Medical Imaging and Graphics, Elsevier Science, Vol. 31 N. 7, pp. 502-509, October 2007.
Marc Baboulin, Luc Giraud, Serge Gratton, Julien Langou
A distributed packed storage for large dense in-core parallel calculations
In : Concurrency and Computation:Practice and Experience, Wiley, Vol. 19 N. 4, pp. 483-502, 2007.
URL : http://www3.interscience.wiley.com/cgi-bin/jissue/114123131
BibTeXBruno Carpentieri, Luc Giraud, Serge Gratton
Additive and multiplicative two-level spectral preconditioning for general linear systems
In : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 29 N. 4, pp. 1593-1612, 2007.
Luc Giraud, Serge Gratton, Julien Langou
Convergence in backward error of relaxed GMRES
In : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 29 N. 2, pp. 710-728, April 2007.
Luc Giraud, Serge Gratton, Emeric Martin
Incremental spectral preconditioners for sequences of linear systems
In : Applied Numerical Mathematics, Elsevier, Vol. 57 N. 11-12, pp. 1164-1180, November 2007.
Guillaume Alléon, Steeve Champagneux, Guilhem Chevalier, Luc Giraud, Guillaume Sylvand
Parallel Distributed Numerical Simulations in Aeronautic Applications
In : Applied Mathematical Modelling, Elsevier, Vol. 30, pp. 714-730, 2006.
Luc Giraud, Julien Langou, Guillaume Sylvand
On the parallel solution of large industrial wave propagation problems
In : Journal of Computational Acoustics, WorldSciNet, Vol. 14 N. 1, pp. 83-111, 2006.
Abstract URL : http://www.worldscinet.com/jca/14/1401/S0218396X061401.html
BibTeXOn the sensitivity of some spectral preconditioners
In : SIAM Journal on Matrix Analysis and Applications, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 27 N. 4, pp. 1089-1105, 2006.
Abstract URL : http://epubs.siam.org/SIMAX/vol_27_iss_4.html
BibTeXLuc Giraud, Daniel Ruiz, Ahmed Touhami
A comparative study of iterative solvers exploiting spectral information for SPD systems
In : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 27 N. 5, pp. 1760-1786, 2006.
Valérie Frayssé, Luc Giraud, Serge Gratton, Julien Langou
Algorithm 842: A set of GMRES routines for real and complex arithmetics on high performance computers
In : ACM Transactions on Mathematical Software (TOMS), ACM : Association for Computing Machinery, New York, États-Unis, Vol. 31 N. 2, pp. 228-238, 2005.
Luc Giraud, Serge Gratton, Julien Langou
A rank-k update procedure for reorthogonalizing the orthogonal factor from modified Gram-Schmidt
In : SIAM Journal on Matrix Analysis and Applications, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 25 N. 4, pp. 1163-11177, 2004.
Ronan Guivarch, Luc Giraud, Joël Stein
Parallel Distributed Fast 3D Poisson Solver for Meso-scale Atmospheric Simulations
In : International Journal of High Performance Computing Applications, Vol. 15 N. 1, pp. 36-46, 2001.
Luc Giraud, Azzam Haidar, Pascal Hénon, Pierre Ramet, Yousef Saad
Investigations on hybrid solvers in the PhyLeas project
In : SIAM Conference on Computational Science and Engineering, Miami, Florida, 02/03/09-06/03/09.
Luc Giraud, Serge Gratton, Julien Langou
Convergence in backward error of relaxed GMRES
In : Householder Symposium XVII, Zeuthen, Germany, 01/06/08-06/06/08.
Parallel algebraic additive Schwarz preconditioners for Schur complement systems in 3D
In : 9th IMACS International Symposium on Iterative Methods in Scientific Computing, Lille, 17/03/08-20/03/08.
Luc Giraud, Azzam Haidar, Watson Layne T.
Mixed-precision preconditioners in parallel domain decomposition solvers
In : International conference on domain decomposition methods, Strobl, Austria, 03/07/06-07/07/06 (invited speaker), Ulrich Langer, Marco Discacciati, David Keyes, Olof Widlund, Walter Zulehner (Eds.), Springer, Lectures notes computational science and engineering 60, pp. 357-364, January 2008.
Robust algebraic two-level preconditioners for non-overlapping methods (short paper)
In : Minisymposium on Robust methods for multiscale PDE problems at the 17th International Conference on Domain Decomposition Methods, Strobl, Austria, 03/07/06-07/07/06, LEA Publishers, Athens, Lecture notes in computational science and engineering, pp. 357-364, 2008.
Patrick Amestoy, Michel Daydé, Iain Duff, Luc Giraud, Azzam Haidar, Stéphane Lanteri, Jean-Yves L’Excellent, Pierre Ramet
Trends in Sparse Linear Research and Software Developments in France
In : First French-Japanese Workshop « Petascale Applications, Algorithms and Programming » (PAAP), Tokyo, Japan, 01/11/07-02/11/07.
URL : http://www2.lifl.fr/MAP/paap/firstPaapWorkshop/presentations/paap2007_dayde.ppt
BibTeXLuc Giraud, Azzam Haidar, Shane Mulligan
Numerical experiments with additive Schwarz preconditioner for nonoverlapping domain decomposition in 3D
In : 4th International Workshop on Parallel Matrix Algorithms and Applications (PMAA’06), Rennes, 07/09/07-09/09/07.
Luc Giraud, Azzam Haidar, Layne T. Watson
A parallel additive Schwarz preconditioner and its variants for 3D elliptic non-overlapping domain decomposition.
In : 2007 International Conference On Preconditioning Techniques For Large Sparse Matrix Problems In Scientific And Industrial Applications., Toulouse, 09/07/07-12/07/07 ( Best student work awards ).
Luc Giraud, Azzam Haidar, Layne T. Watson
A High-Performance Parallel Hybrid Solver for Large Sparse Linear Systems
In : Sparse Days Meeting 2007 at CERFACS, Toulouse, 10/10/07-12/10/07.
Inexactness and flexibility in linear Krylov solvers
In : Matrix analysis and Applications, CIRM Luminy, 15/10/07-19/10/07 (invited speaker).
Luc Giraud, Serge Gratton, Xavier Pinel, Xavier Vasseur
Flexible GMRES with Deflated Restarting with Application for the Solution of the Helmoltz Equations
In : Minisymposium on Domain-Based and Krylov-Based Deflation Methods for Flow in Porous Media at the 2007 SIAM Conference on Mathematical and Computational Issues in the Geosciences, Santa Fe, New Mexico, 19/03/07-22/03/07 (invited speaker).
Luc Giraud, Serge Gratton, Xavier Pinel, Xavier Vasseur
Flexible GMRES with deflated restarting with application to a solution of the Helmholtz equation
In : ICIAM 2007, Minisymposium on Solution methods for sequences of linear systems and applications., Zurich, 16/07/07-20/07/07 (invited speaker).
Patrick Amestoy, Frédéric Camillo, Michel Daydé, Luc Giraud, Ronan Guivarch, Victoria Moya Laniel, Marc Pantel, Chiara Puglisi
Goal and Status of the TLSE Platform
In : First REDIMPS Workshop, Tokyo (Japan), 29/05/07.
URL : http://redimps.enseeiht.fr/Redimps_07_08/06dayde.pdf
BibTeXStéphane Operto, Jean Virieux, Patrick Amestoy, Luc Giraud, Jean-Yves L’Excellent
3D frequency-domain finite-difference modeling of accoustic wave propagation using a masively parallel direct solver: a feasable study
In : The Society of Exploration Geophysicists (SEG 2006), New Orleans (USA), 01/10/06-06/10/06.
From direct to iterative substructuring: some parallel experiences in 2 and 3D
In : MUMPS Users Day 2006, ENS-Lyon, 24/10/05.
Luc Giraud, Daniel Ruiz, Ahmed Touhami
A comparative study of iterative solvers exploiting spectral information for SPD systems
In : Eight Copper Mountain Conference on Iterative Methods, Copper Mountain Resort, Colorado, USA, 28/03/04-02/04/04.
Luc Giraud, Daniel Ruiz, Ahmed Touhami
Krylov and polynomial iterative solvers combined with partial spectral factorization for SPD linear systems
In : Vector and Parallel 2004, Valencia, Spain, 27/06/04-30/06/04, M. Daydé, J. M. Palma, J. Dongarra, V. Hernàndez (Eds.), In Lecture Notes in Computer Science, Vector and Parallel Processing, LNCS 3402, Springer-Verlag Berlin Heidelberg, June 2004.
Luc Giraud, Daniel Ruiz, Ahmed Touhami
Combining various iterative solvers with partial spectral factorization for the solution of SPD linear systems
In : IMET 2004, Iterative Methods, Preconditioning & Numerical PDEs, Prague, Czech Republic, 22/05/04-28/05/04, Radim Blaheta, Jiri Stary (Eds.).
Luc Giraud, Daniel Ruiz, Ahmed Touhami
Krylov and polynomial iterative solvers combined with partial spectral factorization for SPD linear systems
In : VECPAR’04, 6th International Meeting. High Performance Computing for Computational Science, Valencia, Spain, 27/06/04-30/06/04.
Patrick Amestoy, Max Buvry, Michel Daydé, Luc Giraud, Christophe Hamerling, Jean-Yves L’Excellent, Marc Pantel, Chiara Puglisi
The Grid-TLSE Project : Goals and Current Status
In : Workshop Franco-Coréen, IRISA, Rennes, 22/07/04.
Michel Daydé, Luc Giraud, Montse Hernandez, Jean-Yves L’Excellent, Marc Pantel, Chiara Puglisi
An Overview of the GRID-TLSE Project
In : 6th International Meeting VECPAR’04, Valencia, Espagne, 28/06/04-30/06/04, Michel Daydé, Jack Dongarra, Vicente Hernandez, Jose Palma (Eds.), Universidad Politécnica de Valencia, pp. 851-856, June 2004.
Patrick Amestoy, Iain Duff, Luc Giraud, Jean-Yves L’Excellent, Chiara Puglisi
GRID-TLSE: A Web Site for Experimenting with Sparse Direct Solvers on a Computational Grid
In : Conference: SIAM conference on Parallel Processing for Scientific Computing, San Francisco, 25/02/04-27/02/04.
Asynchronous Additive Schwarz Preconditioners for Flexible Krylov Solvers on Convection-Diffusion Problems
In : Quatrième séminaire sur l’algorithmique numérique appliquée aux problèmes industriels, Calais, 15/05/03-16/05/03.
Luc Giraud, Daniel Ruiz, Ahmed Touhami
Two-Phase Solver versus Two-Level Preconditioner for solving Large Sparse and S.P.D Linear System
In : Sparse Days and Grid Computing at St. Girons, St. Girons, France, 10/06/03-13/06/03.
Ronan Guivarch, Patrick Jabouille, Philippe Kloos, D. Gazen, Nicolas Gicquel, Luc Giraud, Nicole Asencio, Véronique Ducrocq, Juan Escobar, Jean-Luc Redelsperger, Joël Stein, Jean-Pierre Pinty
Parallelization of the French Meteorological Mesoscale Mode Méso-NH
In : 5th International Euro-Par Conference, Toulouse, 31/08/99-03/09/99, Springer, pp. 1417-1422, August 1999.
Ronan Guivarch, Luc Giraud, Joël Stein
A Parallel Distributed Fast 3D Poisson Solver for Méso-NH
In : 5th International Euro-Par Conference, Toulouse, 31/08/99-03/09/99, Springer, pp. 1431-1434, August 1999.
Algebraic Domain Decomposition Preconditioners
In : Mesh partitioning techniques and domain decomposition methods. Frédéric Magoules (Eds.) , Saxe-Coburg Publications, pp. 187-216, 2007.
Patrick Amestoy, Philippe Berger, Michel Daydé, Iain Duff, Valérie Frayssé, Luc Giraud, Daniel Ruiz
Euro-Par’99 Parallel Processing, Proceedings of the 5th International Euro-Par Conference, Toulouse, 31/08/99 – 03/09/99, Lecture Notes in Computer Science, 1685, Springer, Berlin, August 1999.
Algebraic domain decomposition solvers: massively parallel scalability study and real life applications
Présentation orale. April 2009. Seminar Center for Computational Mathematics, University of Colorado Denver
Parallel hybrid solver for large 3D problem
Présentation orale. December 2008. Scientific computing seminars, Lawrance Berkeley National Lab.