Publications
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Giraud Luc
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Actes de conférences et de workshops / Conferences proceedings
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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, 31/08/1999 - 03/09/1999, Lecture Notes in Computer Science, 1685, Springer, Berlin, août 1999.
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Articles de revues internationales / International journals articles
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Luc Giraud, Serge Gratton, Xavier Pinel, Xavier Vasseur. Flexible GMRES with Deflated Restarting. Dans : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), Vol. 32 N. 4, p. 1858-1878, 2010.
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Luc Giraud, Azzam Haidar. Parallel algebraic hybrid solvers for large 3D convection-diffusion problems. Dans : Numerical Algorithms, Springer-Verlag, Vol. 51 N. 2, p. 151-177, 2009.
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Marc Baboulin, Luc Giraud, Serge Gratton, Julien Langou. Parallel tools for solving incremental dense least squares problems. application to space geodesy.. Dans : Journal of Algorithms and Computational Technology, Multi-Science Publishing, UK, Vol. 31 N. 1, p. 117-131, 2009.
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Abdellatif El Ghazi, Said El Hajji, Luc Giraud, Serge Gratton. Newton's method for the common eigenvector problem. Dans : Journal of Computational and Applied Mathematics, Elsevier, Vol. 219 N. 2, p. 398-407, 2008.
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Valérie Frayssé, Luc Giraud, Serge Gratton. Algorithm 881: A set of FGMRES routines for real and complex arithmetics on high performance computers. Dans : ACM Transactions on Mathematical Software, ACM, Vol. 35 N. 2, p. 1-12, 2008.
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Luc Giraud, Azzam Haidar, Layne T. Watson. Parallel scalability study of hybrid preconditioners in three dimensions. Dans : Parallel Computing, World Scientific, Vol. 34, p. 363-379, 2008.
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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. Dans : Geophysics, Society of Exploration Geophysicists, USA, Vol. 72 N. 5, p. 195-211, 2007.
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Denis Mariano-Goulart, Pierre Maréchal, Serge Gratton, Luc Giraud, M. Fourcade. A priori selection of the regularization parameters in emission tomography by Fourier. Dans : Computerized Medical Imaging and Graphics, Elsevier Science, Vol. 31 N. 7, p. 502-509, octobre 2007.
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Marc Baboulin, Luc Giraud, Serge Gratton, Julien Langou. A distributed packed storage for large dense in-core parallel calculations. Dans : Concurrency and Computation:Practice and Experience, Wiley, Vol. 19 N. 4, p. 483-502, 2007.
Accès : http://www3.interscience.wiley.com/cgi-bin/jissue/114123131
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Bruno Carpentieri, Luc Giraud, Serge Gratton. Additive and multiplicative two-level spectral preconditioning for general linear systems. Dans : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), Vol. 29 N. 4, p. 1593-1612, 2007.
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Luc Giraud, Serge Gratton, Julien Langou. Convergence in backward error of relaxed GMRES. Dans : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), Vol. 29 N. 2, p. 710-728, avril 2007.
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Luc Giraud, Serge Gratton, Emeric Martin. Incremental spectral preconditioners for sequences of linear systems. Dans : Applied Numerical Mathematics, Elsevier, Vol. 57 N. 11-12, p. 1164-1180, novembre 2007.
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Guillaume Alléon, Steeve Champagneux, Guilhem Chevalier, Luc Giraud, Guillaume Sylvand. Parallel Distributed Numerical Simulations in Aeronautic Applications. Dans : Applied Mathematical Modelling, Elsevier, Vol. 30, p. 714-730, 2006.
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Luc Giraud, Julien Langou, Guillaume Sylvand. On the parallel solution of large industrial wave propagation problems. Dans : Journal of Computational Acoustics, WorldSciNet, Vol. 14 N. 1, p. 83-111, 2006.
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Accès : http://www.worldscinet.com/jca/14/1401/S0218396X061401.html
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Luc Giraud, Serge Gratton. On the sensitivity of some spectral preconditioners. Dans : SIAM Journal on Matrix Analysis and Applications, Society for Industrial and Applied Mathematics (SIAM), Vol. 27 N. 4, p. 1089-1105, 2006.
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Accès : http://epubs.siam.org/SIMAX/vol_27_iss_4.html
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Luc Giraud, Daniel Ruiz, Ahmed Touhami. A comparative study of iterative solvers exploiting spectral information for SPD systems. Dans : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), Vol. 27 N. 5, p. 1760-1786, 2006.
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Ronan Guivarch, Luc Giraud, Joël Stein. Parallel Distributed Fast 3D Poisson Solver for Meso-scale Atmospheric Simulations. Dans : International Journal of High Performance Computing Applications, Vol. 15 N. 1, p. 36-46, 2001.
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Contributions à des ouvrages de synthèse / Books parts
Conférences et workshops internationaux / International conferences articles
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Luc Giraud, Azzam Haidar, Watson Layne T.. Mixed-precision preconditioners in parallel domain decomposition solvers. Dans : International conference on domain decomposition methods, Strobl, Austria, 03/07/2006-07/07/2006 (conférencier invité), Ulrich Langer, Marco Discacciati, David Keyes, Olof Widlund, Walter Zulehner (Eds.), Springer, Lectures notes computational science and engineering 60, p. 357-364, janvier 2008.
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Luc Giraud. Robust algebraic two-level preconditioners for non-overlapping methods (short paper). Dans : Minisymposium on Robust methods for multiscale PDE problems
at the 17th International Conference on Domain Decomposition Methods, Strobl, Austria, 03/07/2006-07/07/2006, LEA Publishers, Athens, Lecture notes in computational science and engineering, p. 357-364, 2008.
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Luc Giraud, Daniel Ruiz, Ahmed Touhami. Krylov and polynomial iterative solvers combined with partial spectral factorization for SPD linear systems. Dans : Vector and Parallel 2004, Valencia, Spain, 27/06/2004-30/06/2004, 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, juin 2004.
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Michel Daydé, Luc Giraud, Montse Hernandez, Jean-Yves L'Excellent, Marc Pantel, Chiara Puglisi. An Overview of the GRID-TLSE Project. Dans : 6th International Meeting VECPAR'04, Valencia, Espagne, 28/06/2004-30/06/2004, Michel Daydé, Jack Dongarra, Vicente Hernandez, Jose Palma (Eds.), Universidad Politécnica de Valencia, p. 851-856, juin 2004.
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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. Dans : 5th International Euro-Par Conference, Toulouse, 31/08/1999-03/09/1999, Springer, p. 1417-1422, août 1999.
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Ronan Guivarch, Luc Giraud, Joël Stein. A Parallel Distributed Fast 3D Poisson Solver for Méso-NH. Dans : 5th International Euro-Par Conference, Toulouse, 31/08/1999-03/09/1999, Springer, p. 1431-1434, août 1999.
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Conférences sans actes publiés / Conference articles without published proceedings
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Luc Giraud, Azzam Haidar, Pascal Hénon, Pierre Ramet, Yousef Saad. Investigations on hybrid solvers in the PhyLeas project. Dans : SIAM Conference on Computational Science and Engineering, Miami, Florida, 02/03/2009-06/03/2009.
Accès : http://www.siam.org/meetings/cse09/
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Luc Giraud, Serge Gratton, Julien Langou. Convergence in backward error of relaxed GMRES. Dans : Householder Symposium XVII, Zeuthen, Germany, 01/06/2008-06/06/2008.
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Luc Giraud, Azzam Haidar. Parallel algebraic additive Schwarz preconditioners for Schur complement systems in 3D. Dans : 9th IMACS International Symposium on Iterative Methods in Scientific Computing, Lille, 17/03/2008-20/03/2008.
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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. Dans : First French-Japanese Workshop « Petascale Applications, Algorithms and Programming » (PAAP), Tokyo, Japan, 01/11/2007-02/11/2007.
Accès : http://www2.lifl.fr/MAP/paap/firstPaapWorkshop/presentations/paap2007_dayde.ppt
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Luc Giraud, Azzam Haidar, Shane Mulligan. Numerical experiments with additive Schwarz preconditioner for nonoverlapping domain decomposition in 3D. Dans : 4th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'06), Rennes, 07/09/2007-09/09/2007.
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Luc Giraud, Azzam Haidar, Layne T. Watson. A parallel additive Schwarz preconditioner and its variants for 3D elliptic non-overlapping domain decomposition.. Dans : 2007 International Conference On Preconditioning Techniques For Large Sparse Matrix Problems In Scientific And Industrial Applications., Toulouse, 09/07/2007-12/07/2007 ( Best student work awards ).
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Luc Giraud, Azzam Haidar, Layne T. Watson. A High-Performance Parallel Hybrid Solver for Large Sparse Linear Systems. Dans : Sparse Days Meeting 2007 at CERFACS, Toulouse, 10/10/2007-12/10/2007.
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Luc Giraud, Serge Gratton. Inexactness and flexibility in linear Krylov solvers. Dans : Matrix analysis and Applications, CIRM Luminy, 15/10/2007-19/10/2007 (conférencier invité).
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Luc Giraud, Serge Gratton, Xavier Pinel, Xavier Vasseur. Flexible GMRES with Deflated Restarting with Application for the Solution of the Helmoltz Equations. Dans : 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, 19/03/2007-22/03/2007 (conférencier invité).
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Luc Giraud, Serge Gratton, Xavier Pinel, Xavier Vasseur. Flexible GMRES with deflated restarting with application to a solution of the Helmholtz equation. Dans : ICIAM 2007, Minisymposium on Solution methods for sequences of linear systems and applications., Zurich, 16/07/2007-20/07/2007 (conférencier invité).
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Patrick Amestoy, Frédéric Camillo, Michel Daydé, Luc Giraud, Ronan Guivarch, Victoria Moya Laniel, Marc Pantel, Chiara Puglisi Amestoy. Goal and Status of the TLSE Platform. Dans : First REDIMPS Workshop, Tokyo (Japan), 29/05/2007.
Accès : http://redimps.enseeiht.fr/Redimps_07_08/06dayde.pdf
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Stéphane 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. Dans : The Society of Exploration Geophysicists (SEG 2006), New Orleans (USA), 01/10/2006-06/10/2006.
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Luc Giraud. From direct to iterative substructuring: some parallel experiences in 2 and 3D. Dans : MUMPS Users Day 2006, ENS-Lyon, 24/10/2005.
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Luc Giraud, Daniel Ruiz, Ahmed Touhami. A comparative study of iterative solvers exploiting spectral information for SPD systems. Dans : Eight Copper Mountain Conference on Iterative Methods, Copper Mountain Resort, Colorado, USA, 28/03/2004-02/04/2004.
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Accès : http://www.enseeiht.fr/~touhami/
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Luc Giraud, Daniel Ruiz, Ahmed Touhami. Combining various iterative solvers with partial spectral factorization for the solution of SPD linear systems. Dans : IMET 2004, Iterative Methods, Preconditioning & Numerical PDEs, Prague, Czech Republic, 22/05/2004-28/05/2004, Radim Blaheta, Jiri Stary (Eds.).
Accès : http://www.enseeiht.fr/~touhami/
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Luc Giraud, Daniel Ruiz, Ahmed Touhami. Krylov and polynomial iterative solvers combined with partial spectral factorization for SPD linear systems. Dans : VECPAR'04, 6th International Meeting. High Performance Computing for Computational Science, Valencia, Spain, 27/06/2004-30/06/2004.
Accès : http://www.enseeiht.fr/~touhami/
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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. Dans : Workshop Franco-Coréen, IRISA, Rennes, 22/07/2004.
Accès : http://www.enseeiht.fr/lima/tlse
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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. Dans : Conference: SIAM conference on Parallel Processing for Scientific Computing, San Francisco, 25/02/2004-27/02/2004.
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Accès : http://www.siam.org/meetings/pp04/
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Ronan Guivarch, Luc Giraud. Asynchronous Additive Schwarz Preconditioners for Flexible Krylov Solvers on Convection-Diffusion Problems. Dans : Quatrième séminaire sur l'algorithmique numérique appliquée aux problèmes industriels, Calais, 15/05/2003-16/05/2003.
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Luc Giraud, Daniel Ruiz, Ahmed Touhami. Two-Phase Solver versus Two-Level Preconditioner for solving Large Sparse and S.P.D Linear System. Dans : Sparse Days and Grid Computing at St. Girons, St. Girons, France, 10/06/2003-13/06/2003.
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Accès : http://www.enseeiht.fr/~touhami/
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Rapports / Reports
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Luc Giraud, Ray Tuminaro. Algebraic Domain Decomposition Preconditioners. Rapport de recherche, ENSEEIHT-IRIT RT/APO/06/07, IRIT, 2007.
Accès : ftp://ftp.irit.fr/IRIT/APO/paper.pdf
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Patrick Amestoy, Max Buvry, Michel Daydé, Luc Giraud, Christophe Hamerling, Marc Pantel, Chiara Puglisi. Rapport de fin de projet GRID-TLSE.. Rapport de recherche, TR/TLSE/06/02, Institut National Polytechnique de Toulouse, février 2006.
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Autres types de publications / Other publications
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Luc Giraud, Azzam Haidar. Algebraic domain decomposition solvers: massively parallel scalability study and real life applications. Présentation orale. avril 2009. Seminar Center for Computational Mathematics, University of Colorado Denver
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Luc Giraud, Azzam Haidar. Parallel hybrid solver for large 3D problem. Présentation orale. décembre 2008. Scientific computing seminars, Lawrance Berkeley National Lab.
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