Luc Giraud

85 papers C 1Misc 2Journal 53Unranked 28
YearRankTypeTitle / Venue / Authors
2026 J jnl
Fault-tolerant numerical iterative algorithms at scale.
Int. J. High Perform. Comput. Appl.
Alix Tremodeux, Anne Benoit, Emmanuel Agullo, Thomas Hérault, Luc Giraud, Yves Robert
2025 J jnl
Convergence Analysis of Overlapping Domain Decomposition Preconditioners for Nonlinear Problems.
SIAM J. Sci. Comput.
Ettaouchi El Mehdi, Luc Giraud, Carola Kruse, Nicolas Tardieu
2025 J jnl
Multifacets of lossy compression for scientific data in the Joint-Laboratory of Extreme Scale Computing.
Future Gener. Comput. Syst.
Franck Cappello, Mario C. Acosta, Emmanuel Agullo, Hartwig Anzt, Jon Calhoun, Sheng Di, Luc Giraud, Thomas Grützmacher, Sian Jin, Kentaro Sano, Kento Sato, Amarjit Singh, Dingwen Tao, Jiannan Tian, Tomohiro Ueno, Robert Underwood, Frédéric Vivien, Xavier Yepes, Kazutomo Yoshii, Boyuan Zhang
2025 J jnl
Robustness and reliability of state-space, frame-based modeling for thermoacoustics.
J. Comput. Phys.
Mathieu Cances, Luc Giraud, Michael Bauerheim, Laurent Gicquel, Franck Nicoud
2024 — conf
Sparse Matrix Ordering for Fine Grain Parallel Triangular Solve Using SIMD.
PPAM (1)
Aboul-Karim Mohamed El Maarouf, Luc Giraud, Abdou Guermouche, Thomas Guignon
2023 J jnl
Combining reduction with synchronization barrier on multi-core processors.
Concurr. Comput. Pract. Exp.
Aboul-Karim Mohamed El Maarouf, Luc Giraud, Abdou Guermouche, Thomas Guignon
2022 J jnl
A Block Minimum Residual Norm Subspace Solver with Partial Convergence Management for Sequences of Linear Systems.
SIAM J. Matrix Anal. Appl.
Luc Giraud, Yan-Fei Jing, Yan-Fei Xiang
2022 J jnl
A robust GMRES algorithm in Tensor Train format.
CoRR
Olivier Coulaud, Luc Giraud, Martina Iannacito
2022 J jnl
On some orthogonalization schemes in Tensor Train format.
CoRR
Olivier Coulaud, Luc Giraud, Martina Iannacito
2022 J jnl
Resiliency in numerical algorithm design for extreme scale simulations.
Int. J. High Perform. Comput. Appl.
Emmanuel Agullo, Mirco Altenbernd, Hartwig Anzt, Leonardo Bautista-Gomez, Tommaso Benacchio, Luca Bonaventura, Hans-Joachim Bungartz, Sanjay Chatterjee, Florina M. Ciorba, Nathan DeBardeleben, Daniel Drzisga, Sebastian Eibl, Christian Engelmann, Wilfried N. Gansterer, Luc Giraud, Dominik Göddeke, Marco Heisig, Fabienne Jézéquel, Nils Kohl, Xiaoye Sherry Li, Romain Lion, Miriam Mehl, Paul Mycek, Michael Obersteiner, Enrique S. Quintana-Ortí, Francesco Rizzi, Ulrich Rüde, Martin Schulz, Fred Fung, Robert Speck, Linda Stals, Keita Teranishi, Samuel Thibault, Dominik Thönnes, Andreas Wagner, Barbara I. Wohlmuth
2021 J jnl
Guest editorial: Virtual special issue on parallel matrix algorithms and applications (PMAA'18).
Parallel Comput.
Olaf Schenk, Peter Arbenz, Luc Giraud, Wim Vanroose
2021 J jnl
Resilience and fault tolerance in high-performance computing for numerical weather and climate prediction.
Int. J. High Perform. Comput. Appl.
Tommaso Benacchio, Luca Bonaventura, Mirco Altenbernd, Chris D. Cantwell, Peter D. Düben, Mike Gillard, Luc Giraud, Dominik Göddeke, Erwan Raffin, Keita Teranishi, Nils Wedi
2020 J jnl
On Soft Errors in the Conjugate Gradient Method: Sensitivity and Robust Numerical Detection.
SIAM J. Sci. Comput.
Emmanuel Agullo, Siegfried Cools, Emrullah Fatih Yetkin, Luc Giraud, Nick Schenkels, Wim Vanroose
2020 J jnl
Resiliency in Numerical Algorithm Design for Extreme Scale Simulations (Dagstuhl Seminar 20101).
Dagstuhl Reports
Luc Giraud, Ulrich Rüde, Linda Stals
2020 J jnl
Resiliency in Numerical Algorithm Design for Extreme Scale Simulations.
CoRR
Emmanuel Agullo, Mirco Altenbernd, Hartwig Anzt, Leonardo Bautista-Gomez, Tommaso Benacchio, Luca Bonaventura, Hans-Joachim Bungartz, Sanjay Chatterjee, Florina M. Ciorba, Nathan DeBardeleben, Daniel Drzisga, Sebastian Eibl, Christian Engelmann, Wilfried N. Gansterer, Luc Giraud, Dominik Göddeke, Marco Heisig, Fabienne Jézéquel, Nils Kohl, Xiaoye Sherry Li, Romain Lion, Miriam Mehl, Paul Mycek, Michael Obersteiner, Enrique S. Quintana-Ortí, Francesco Rizzi, Ulrich Rüde, Martin Schulz, Fred Fung, Robert Speck, Linda Stals, Keita Teranishi, Samuel Thibault, Dominik Thönnes, Andreas Wagner, Barbara I. Wohlmuth
2019 C conf
Energy Analysis of a Solver Stack for Frequency-Domain Electromagnetics.
PDP
Emmanuel Agullo, Luc Giraud, Stéphane Lanteri, Gilles Marait, Anne-Cécile Orgerie, Louis Poirel
2019 J jnl
Robust Preconditioners via Generalized Eigenproblems for Hybrid Sparse Linear Solvers.
SIAM J. Matrix Anal. Appl.
Emmanuel Agullo, Luc Giraud, Louis Poirel
2018 J jnl
Analyzing the Effect of Local Rounding Error Propagation on the Maximal Attainable Accuracy of the Pipelined Conjugate Gradient Method.
SIAM J. Matrix Anal. Appl.
Siegfried Cools, Emrullah Fatih Yetkin, Emmanuel Agullo, Luc Giraud, Wim Vanroose
2018 J jnl
Low-Rank Factorizations in Data Sparse Hierarchical Algorithms for Preconditioning Symmetric Positive Definite Matrices.
SIAM J. Matrix Anal. Appl.
Emmanuel Agullo, Eric Darve, Luc Giraud, Yuval Harness
2018 J jnl
Special issue on parallel matrix algorithms and applications (PMAA'16).
Parallel Comput.
Emmanuel Agullo, Peter Arbenz, Luc Giraud, Olaf Schenk
2016 — conf
Hard Faults and Soft-Errors: Possible Numerical Remedies in Linear Algebra Solvers.
VECPAR
Emmanuel Agullo, Siegfried Cools, Luc Giraud, A. Moreau, Pablo Salas, Wim Vanroose, Emrullah Fatih Yetkin, Mawussi Zounon
2016 J jnl
Interpolation-Restart Strategies for Resilient Eigensolvers.
SIAM J. Sci. Comput.
Emmanuel Agullo, Luc Giraud, Pablo Salas, Mawussi Zounon
2016 J jnl
Numerical recovery strategies for parallel resilient Krylov linear solvers.
Numer. Linear Algebra Appl.
Emmanuel Agullo, Luc Giraud, Abdou Guermouche, Jean Roman, Mawussi Zounon
2016 — conf
On rounding error resilience, maximal attainable accuracy and parallel performance of the pipelined Conjugate Gradients method for large-scale linear systems in PETSc.
EASC
Siegfried Cools, Wim Vanroose, Emrullah Fatih Yetkin, Emmanuel Agullo, Luc Giraud
2016 — conf
Task-Based Conjugate Gradient: From Multi-GPU Towards Heterogeneous Architectures.
Euro-Par Workshops
Emmanuel Agullo, Luc Giraud, Abdou Guermouche, Stojce Nakov, Jean Roman
2016 — conf
Task-Based Sparse Hybrid Linear Solver for Distributed Memory Heterogeneous Architectures.
Euro-Par Workshops
Emmanuel Agullo, Luc Giraud, Stojce Nakov
2015 Misc conf
On the Resilience of Parallel Sparse Hybrid Solvers.
HiPC
Emmanuel Agullo, Luc Giraud, Mawussi Zounon
2015 J jnl
Spectral recycling strategies for the solution of nonlinear eigenproblems in thermoacoustics.
Numer. Linear Algebra Appl.
Pablo Salas, Luc Giraud, Yousef Saad, Stéphane Moreau
2014 J jnl
A Parallel Full Geometric Multigrid Solver for Time Harmonic Maxwell Problems.
SIAM J. Sci. Comput.
M. Chanaud, Luc Giraud, David Goudin, Jean-Jacques Pesqué, Jean Roman
2014 J jnl
Block GMRES Method with Inexact Breakdowns and Deflated Restarting.
SIAM J. Matrix Anal. Appl.
Emmanuel Agullo, Luc Giraud, Yan-Fei Jing
2013 J jnl
Parallel algebraic domain decomposition solver for the solution of augmented systems.
Adv. Eng. Softw.
Emmanuel Agullo, Luc Giraud, Abdou Guermouche, Azzam Haidar, Jean Roman
2012 — conf
Abstract: Matrices Over Runtime Systems at Exascale.
SC Companion
Emmanuel Agullo, George Bosilca, Bérenger Bramas, Cedric Castagnede, Olivier Coulaud, Eric Darve, Jack J. Dongarra, Mathieu Faverge, Nathalie Furmento, Luc Giraud, Xavier Lacoste, Julien Langou, Hatem Ltaief, Matthias Messner, Raymond Namyst, Pierre Ramet, Toru Takahashi, Samuel Thibault, Stanimire Tomov, Ichitaro Yamazaki
2012 — conf
Poster: Matrices over Runtime Systems at Exascale.
SC Companion
Emmanuel Agullo, George Bosilca, Bérenger Bramas, Cedric Castagnede, Olivier Coulaud, Eric Darve, Jack J. Dongarra, Mathieu Faverge, Nathalie Furmento, Luc Giraud, Xavier Lacoste, Julien Langou, Hatem Ltaief, Matthias Messner, Raymond Namyst, Pierre Ramet, Toru Takahashi, Samuel Thibault, Stanimire Tomov, Ichitaro Yamazaki
2011 — conf
Introduction.
Euro-Par (2)
Martin Berzins, Daniela di Serafino, Martin J. Gander, Luc Giraud
2010 J jnl
Flexible GMRES with Deflated Restarting.
SIAM J. Sci. Comput.
Luc Giraud, Serge Gratton, Xavier Pinel, Xavier Vasseur
2010 J jnl
Using multiple levels of parallelism to enhance the performance of domain decomposition solvers.
Parallel Comput.
Luc Giraud, Azzam Haidar, S. Pralet
2009 J jnl
Parallel algebraic hybrid solvers for large 3D convection-diffusion problems.
Numer. Algorithms
Luc Giraud, Azzam Haidar
2008 J jnl
Algorithm 881: A Set of Flexible GMRES Routines for Real and Complex Arithmetics on High-Performance Computers.
ACM Trans. Math. Softw.
Valérie Frayssé, Luc Giraud, Serge Gratton
2008 — conf
Comparing Some Methods and Preconditioners for Hydropower Plant Flow Simulations.
VECPAR
Luiz Mariano Carvalho, Wagner Fortes, Luc Giraud
2008 J jnl
Parallel scalability study of hybrid preconditioners in three dimensions.
Parallel Comput.
Luc Giraud, Azzam Haidar, Layne T. Watson
2007 J jnl
A distributed packed storage for large dense parallel in-core calculations.
Concurr. Comput. Pract. Exp.
Marc Baboulin, Luc Giraud, Serge Gratton, Julien Langou
2007 J jnl
A priori selection of the regularization parameters in emission tomography by Fourier synthesis.
Comput. Medical Imaging Graph.
Denis Mariano-Goulart, P. Maréchal, Serge Gratton, Luc Giraud, M. Fourcade
2007 J jnl
Additive and Multiplicative Two-Level Spectral Preconditioning for General Linear Systems.
SIAM J. Sci. Comput.
Bruno Carpentieri, Luc Giraud, Serge Gratton
2007 J jnl
Convergence in Backward Error of Relaxed GMRES.
SIAM J. Sci. Comput.
Luc Giraud, Serge Gratton, Julien Langou
2006 J jnl
A Comparative Study of Iterative Solvers Exploiting Spectral Information for SPD Systems.
SIAM J. Sci. Comput.
Luc Giraud, Daniel Ruiz, Ahmed Touhami
2006 J jnl
On the Sensitivity of Some Spectral Preconditioners.
SIAM J. Matrix Anal. Appl.
Luc Giraud, Serge Gratton
2005 J jnl
A Parallel Distributed Solver for Large Dense Symmetric Systems: Applications to Geodesy and Electromagnetism Problems.
Int. J. High Perform. Comput. Appl.
Marc Baboulin, Luc Giraud, Serge Gratton
2005 J jnl
Algorithm 842: A set of GMRES routines for real and complex arithmetics on high performance computers.
ACM Trans. Math. Softw.
Valérie Frayssé, Luc Giraud, Serge Gratton, Julien Langou
2005 J jnl
Combining Fast Multipole Techniques and an Approximate Inverse Preconditioner for Large Electromagnetism Calculations.
SIAM J. Sci. Comput.
Bruno Carpentieri, Iain S. Duff, Luc Giraud, Guillaume Sylvand
2005 J jnl
Iterative versus direct parallel substructuring methods in semiconductor device modelling.
Numer. Linear Algebra Appl.
Luc Giraud, A. Marrocco, J.-C. Rioual
2005 J jnl
Rounding error analysis of the classical Gram-Schmidt orthogonalization process.
Numerische Mathematik
Luc Giraud, Julien Langou, Miroslav Rozlozník, Jasper van den Eshof
2004 J jnl
A Rank-
SIAM J. Matrix Anal. Appl.
Luc Giraud, Serge Gratton, Julien Langou
2004 — conf
Krylov and Polynomial Iterative Solvers Combined with Partial Spectral Factorization for SPD Linear Systems.
VECPAR
Luc Giraud, Daniel Ruiz, Ahmed Touhami
2004 J jnl
Sparse symmetric preconditioners for dense linear systems in electromagnetism.
Numer. Linear Algebra Appl.
Bruno Carpentieri, Iain S. Duff, Luc Giraud, Mardochée Magolu monga Made
2004 — conf
Towards Automatic Selection of the Regularization Parameters in Emission Tomgraphy by Fourier Synthesis.
ECCV Workshops CVAMIA and MMBIA
P. Maréchal, Denis Mariano-Goulart, Luc Giraud, Serge Gratton
2003 J jnl
A Class of Spectral Two-Level Preconditioners.
SIAM J. Sci. Comput.
Bruno Carpentieri, Iain S. Duff, Luc Giraud
2003 J jnl
A Robust Criterion for the Modified Gram-Schmidt Algorithm with Selective Reorthogonalization.
SIAM J. Sci. Comput.
Luc Giraud, Julien Langou
2003 Misc conf
An Embedded Iterative Scheme in Electromagnetism.
PPAM
Bruno Carpentieri, Iain S. Duff, Luc Giraud, Guillaume Sylvand
2003 J jnl
Grid transfer operators for highly variable coefficient problems in two-level non-overlapping domain decomposition methods.
Numer. Linear Algebra Appl.
Luc Giraud, Fernando Guevara Vasquez, Ray S. Tuminaro
2003 — conf
Topic Introduction.
Euro-Par
Iain S. Duff, Luc Giraud, Henk A. van der Vorst, Peter Zinterhof
2002 J jnl
Combining Shared and Distributed Memory Programming Models on Clusters of Symmetric Multiprocessors: Some Basic Promising Experiments.
Int. J. High Perform. Comput. Appl.
Luc Giraud
2002 — conf
Numerical Algorithms.
Euro-Par
Iain S. Duff, Wolfgang Borchers, Luc Giraud, Henk A. van der Vorst
2001 J jnl
Algebraic Two-Level Preconditioners for the Schur Complement Method.
SIAM J. Sci. Comput.
Luiz Mariano Carvalho, Luc Giraud, Patrick Le Tallec
2001 J jnl
Local preconditioners for two-level non-overlapping domain decomposition methods.
Numer. Linear Algebra Appl.
Luiz Mariano Carvalho, Luc Giraud, Gérard Meurant
2001 J jnl
Parallel Distributed FFT-Based Solvers for 3-D Poisson Problems in Meso-Scale Atmospheric Simulations.
Int. J. High Perform. Comput. Appl.
Luc Giraud, Ronan Guivarch, Joël Stein
2000 — conf
Robust Preconditioning of Dense Problems from Electromagnetics.
NAA
Bruno Carpentieri, Iain S. Duff, Luc Giraud
2000 J jnl
Sparse pattern selection strategies for robust Frobenius-norm minimization preconditioners in electromagnetism.
Numer. Linear Algebra Appl.
Bruno Carpentieri, Iain S. Duff, Luc Giraud
1999 — conf
A Parallel Distributed Fast 3D Poisson Solver for Méso-NH.
Euro-Par
Luc Giraud, Ronan Guivarch, Joël Stein
1999 — conf
Emerging Topics in Advanced Computing in Europe - Introduction.
Euro-Par
Renato Campo, Luc Giraud
1999 — ed.
Euro-Par '99 Parallel Processing, 5th International Euro-Par Conference, Toulouse, France, August 31 - September 3, 1999, Proceedings
Euro-Par
Patrick Amestoy, Philippe Berger, Michel J. Daydé, Iain S. Duff, Valérie Frayssé, Luc Giraud, Daniel Ruiz
1999 J jnl
High Performance Computing in Multibody System Design.
Int. J. High Perform. Comput. Appl.
Sandra Baldini, Luc Giraud, Javier G. Izaguirre, José M. Jiménez, Luis M. Matey
1999 — conf
Parallel Subdomain-Based Preconditioner for the Schur Complement.
Euro-Par
Luiz Mariano Carvalho, Luc Giraud
1999 — conf
Parallelization of the French Meteorological Mesoscale Model MésoNH.
Euro-Par
Patrick Jabouille, Ronan Guivarch, Philippe Kloos, Didier Gazen, Nicolas Gicquel, Luc Giraud, Nicole Asencio, Veronique Ducrocq, Juan Escobar, Jean-Luc Redelsperger, Joël Stein, Jean-Pierre Pinty
1999 — conf
Some Investigations of Domain Decomposition Techniques in Parallel CFD.
Euro-Par
F. Chalot, G. Chevalier, Quang Vinh Dinh, Luc Giraud
1998 — conf
On the Influence of the Orthogonalization Scheme on the Parallel Performance of GMRES.
Euro-Par
Valérie Frayssé, Luc Giraud, Hatim Kharraz Aroussi
1997 — conf
HIPERCOMBATS: A Parallel Industrial Tool for Two-Wheeler Suspensions Design.
HPCN Europe
Sandra Baldini, Luc Giraud, Laurent Hamel, José M. Jiménez, Luis M. Matey
1997 J jnl
Sparse approximate inverse preconditioning for dense linear systems arising in computational electromagnetics.
Numer. Algorithms
Guillaume Alléon, Michele Benzi, Luc Giraud
1996 — conf
Parallel Computation of Spectral Portraits on the Meiko CS2.
HPCN Europe
Valérie Frayssé, Luc Giraud, Vincent Toumazou
1996 — conf
Parallel Domain Decomposition Experiments on the Meiko CS2-HA.
HPCN Europe
Luiz Mariano Carvalho, Luc Giraud
1996 — conf
Parallel Industrial Incompressible CFD Calculations with HPCN3S.
HPCN Europe
Luc Giraud, Nathan Maman, Pascal Menegazzi, Andrea Micelotta, Bernadette Thomas
1995 J jnl
Block Preconditioned Conjugate Gradient Methods on a Distributed Virtual Shared Memory Multiprocessor.
Int. J. High Speed Comput.
Luc Giraud
1995 — conf
Parallel industrial CFD calculations with N3S.
HPCN Europe
Gérard Degrez, Luc Giraud, Mark Loriot, Andrea Micelotta, Bruno Nitrosso, Alain Stoessel
1994 — conf
Parallel Distributed Implementations of 2D Explicit Euler Solvers.
HPCN
Luc Giraud, Gianmarco Manzini
1993 — conf
Domain Decomposition Algorithms for the Drift-Diffusion Equations.
PPSC
Luc Giraud, Ray S. Tuminaro
1993 — conf
Shared and Distributed Implementations of Block Preconditioned Conjugate Gradient Methods Using Domain Decomposition on the BBN TC2000.
PPSC
Luc Giraud