Shared and Distributed Implementations of Block Preconditioned Conjugate Gradient Methods Using Domain Decomposition on the BBN TC2000. - Luc Giraud (PPSC, 1993)

Domain Decomposition Algorithms for the Drift-Diffusion Equations. - Luc Giraud; Ray S. Tuminaro (PPSC, 1993)

Parallel Distributed Implementations of 2D Explicit Euler Solvers. - Luc Giraud; Gianmarco Manzini (HPCN, 1994)

Parallel industrial CFD calculations with N3S. - Gérard Degrez; Luc Giraud; Mark Loriot; Andrea Micelotta; Bruno Nitrosso; Alain Stoessel (HPCN Europe, 1995)

Block Preconditioned Conjugate Gradient Methods on a Distributed Virtual Shared Memory Multiprocessor. - Luc Giraud (Int. J. High Speed Comput., 1995)

Parallel Domain Decomposition Experiments on the Meiko CS2-HA. - Luiz Mariano Carvalho; Luc Giraud (HPCN Europe, 1996)

Parallel Computation of Spectral Portraits on the Meiko CS2. - Valérie Frayssé; Luc Giraud; Vincent Toumazou (HPCN Europe, 1996)

Parallel Industrial Incompressible CFD Calculations with HPCN3S. - Luc Giraud; Nathan Maman; Pascal Menegazzi; Andrea Micelotta; Bernadette Thomas (HPCN Europe, 1996)

HIPERCOMBATS: A Parallel Industrial Tool for Two-Wheeler Suspensions Design. - Sandra Baldini; Luc Giraud; Laurent Hamel; José M. Jiménez; Luis M. Matey (HPCN Europe, 1997)

Sparse approximate inverse preconditioning for dense linear systems arising in computational electromagnetics. - Guillaume Alléon; Michele Benzi; Luc Giraud (Numer. Algorithms, 1997)

On the Influence of the Orthogonalization Scheme on the Parallel Performance of GMRES. - Valérie Frayssé; Luc Giraud; Hatim Kharraz Aroussi (Euro-Par, 1998)

Emerging Topics in Advanced Computing in Europe - Introduction. - Renato Campo; Luc Giraud (Euro-Par, 1999)

Parallel Subdomain-Based Preconditioner for the Schur Complement. - Luiz Mariano Carvalho; Luc Giraud (Euro-Par, 1999)

Some Investigations of Domain Decomposition Techniques in Parallel CFD. - F. Chalot; G. Chevalier; Quang Vinh Dinh; Luc Giraud (Euro-Par, 1999)

A Parallel Distributed Fast 3D Poisson Solver for Méso-NH. - Luc Giraud; Ronan Guivarch; Joël Stein (Euro-Par, 1999)

Parallelization of the French Meteorological Mesoscale Model MésoNH. - 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 (Euro-Par, 1999)

High Performance Computing in Multibody System Design. - Sandra Baldini; Luc Giraud; Javier G. Izaguirre; José M. Jiménez; Luis M. Matey (Int. J. High Perform. Comput. Appl., 1999)

Robust Preconditioning of Dense Problems from Electromagnetics. - Bruno Carpentieri; Iain S. Duff; Luc Giraud (NAA, 2000)

Sparse pattern selection strategies for robust Frobenius-norm minimization preconditioners in electromagnetism. - Bruno Carpentieri; Iain S. Duff; Luc Giraud (Numer. Linear Algebra Appl., 2000)

Parallel Distributed FFT-Based Solvers for 3-D Poisson Problems in Meso-Scale Atmospheric Simulations. - Luc Giraud; Ronan Guivarch; Joël Stein (Int. J. High Perform. Comput. Appl., 2001)

Local preconditioners for two-level non-overlapping domain decomposition methods. - Luiz Mariano Carvalho; Luc Giraud; Gérard Meurant (Numer. Linear Algebra Appl., 2001)

Algebraic Two-Level Preconditioners for the Schur Complement Method. - Luiz Mariano Carvalho; Luc Giraud; Patrick Le Tallec (SIAM J. Sci. Comput., 2001)

Numerical Algorithms. - Iain S. Duff; Wolfgang Borchers; Luc Giraud; Henk A. van der Vorst (Euro-Par, 2002)

Combining Shared and Distributed Memory Programming Models on Clusters of Symmetric Multiprocessors: Some Basic Promising Experiments. - Luc Giraud (Int. J. High Perform. Comput. Appl., 2002)

Topic Introduction. - Iain S. Duff; Luc Giraud; Henk A. van der Vorst; Peter Zinterhof (Euro-Par, 2003)

An Embedded Iterative Scheme in Electromagnetism. - Bruno Carpentieri; Iain S. Duff; Luc Giraud; Guillaume Sylvand (PPAM, 2003)

Grid transfer operators for highly variable coefficient problems in two-level non-overlapping domain decomposition methods. - Luc Giraud; Fernando Guevara Vasquez; Ray S. Tuminaro (Numer. Linear Algebra Appl., 2003)

A Class of Spectral Two-Level Preconditioners. - Bruno Carpentieri; Iain S. Duff; Luc Giraud (SIAM J. Sci. Comput., 2003)

A Robust Criterion for the Modified Gram-Schmidt Algorithm with Selective Reorthogonalization. - Luc Giraud; Julien Langou (SIAM J. Sci. Comput., 2003)

Towards Automatic Selection of the Regularization Parameters in Emission Tomgraphy by Fourier Synthesis. - P. Maréchal; Denis Mariano-Goulart; Luc Giraud; Serge Gratton (ECCV Workshops CVAMIA and MMBIA, 2004)

Krylov and Polynomial Iterative Solvers Combined with Partial Spectral Factorization for SPD Linear Systems. - Luc Giraud; Daniel Ruiz 002; Ahmed Touhami (VECPAR, 2004)

Sparse symmetric preconditioners for dense linear systems in electromagnetism. - Bruno Carpentieri; Iain S. Duff; Luc Giraud; Mardochée Magolu monga Made (Numer. Linear Algebra Appl., 2004)

A Rank-k Update Procedure for Reorthogonalizing the Orthogonal Factor from Modified Gram-Schmidt. - Luc Giraud; Serge Gratton; Julien Langou (SIAM J. Matrix Anal. Appl., 2004)

A Parallel Distributed Solver for Large Dense Symmetric Systems: Applications to Geodesy and Electromagnetism Problems. - Marc Baboulin; Luc Giraud; Serge Gratton (Int. J. High Perform. Comput. Appl., 2005)

Iterative versus direct parallel substructuring methods in semiconductor device modelling. - Luc Giraud; A. Marrocco; J.-C. Rioual (Numer. Linear Algebra Appl., 2005)

Rounding error analysis of the classical Gram-Schmidt orthogonalization process. - Luc Giraud; Julien Langou; Miroslav Rozlozník; Jasper van den Eshof (Numerische Mathematik, 2005)

Combining Fast Multipole Techniques and an Approximate Inverse Preconditioner for Large Electromagnetism Calculations. - Bruno Carpentieri; Iain S. Duff; Luc Giraud; Guillaume Sylvand (SIAM J. Sci. Comput., 2005)

Algorithm 842: A set of GMRES routines for real and complex arithmetics on high performance computers. - Valérie Frayssé; Luc Giraud; Serge Gratton; Julien Langou (ACM Trans. Math. Softw., 2005)

On the Sensitivity of Some Spectral Preconditioners. - Luc Giraud; Serge Gratton (SIAM J. Matrix Anal. Appl., 2006)

A Comparative Study of Iterative Solvers Exploiting Spectral Information for SPD Systems. - Luc Giraud; Daniel Ruiz 002; Ahmed Touhami (SIAM J. Sci. Comput., 2006)

A priori selection of the regularization parameters in emission tomography by Fourier synthesis. - Denis Mariano-Goulart; P. Maréchal; Serge Gratton; Luc Giraud; M. Fourcade (Comput. Medical Imaging Graph., 2007)

A distributed packed storage for large dense parallel in-core calculations. - Marc Baboulin; Luc Giraud; Serge Gratton; Julien Langou (Concurr. Comput. Pract. Exp., 2007)

Additive and Multiplicative Two-Level Spectral Preconditioning for General Linear Systems. - Bruno Carpentieri; Luc Giraud; Serge Gratton (SIAM J. Sci. Comput., 2007)

Convergence in Backward Error of Relaxed GMRES. - Luc Giraud; Serge Gratton; Julien Langou (SIAM J. Sci. Comput., 2007)

Comparing Some Methods and Preconditioners for Hydropower Plant Flow Simulations. - Luiz Mariano Carvalho; Wagner Fortes; Luc Giraud (VECPAR, 2008)

Parallel scalability study of hybrid preconditioners in three dimensions. - Luc Giraud; Azzam Haidar; Layne T. Watson (Parallel Comput., 2008)

Algorithm 881: A Set of Flexible GMRES Routines for Real and Complex Arithmetics on High-Performance Computers. - Valérie Frayssé; Luc Giraud; Serge Gratton (ACM Trans. Math. Softw., 2008)

Parallel algebraic hybrid solvers for large 3D convection-diffusion problems. - Luc Giraud; Azzam Haidar (Numer. Algorithms, 2009)

Using multiple levels of parallelism to enhance the performance of domain decomposition solvers. - Luc Giraud; Azzam Haidar; S. Pralet (Parallel Comput., 2010)

Flexible GMRES with Deflated Restarting. - Luc Giraud; Serge Gratton; Xavier Pinel; Xavier Vasseur (SIAM J. Sci. Comput., 2010)

Introduction. - Martin Berzins; Daniela di Serafino; Martin J. Gander; Luc Giraud (Euro-Par (2), 2011)

Abstract: Matrices Over Runtime Systems at Exascale. - 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; et al. (SC Companion, 2012)

Poster: Matrices over Runtime Systems at Exascale. - 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; et al. (SC Companion, 2012)

Parallel algebraic domain decomposition solver for the solution of augmented systems. - Emmanuel Agullo; Luc Giraud; Abdou Guermouche; Azzam Haidar; Jean Roman (Adv. Eng. Softw., 2013)

Block GMRES Method with Inexact Breakdowns and Deflated Restarting. - Emmanuel Agullo; Luc Giraud; Yan-Fei Jing (SIAM J. Matrix Anal. Appl., 2014)

A Parallel Full Geometric Multigrid Solver for Time Harmonic Maxwell Problems. - M. Chanaud; Luc Giraud; David Goudin; Jean-Jacques Pesqué; Jean Roman (SIAM J. Sci. Comput., 2014)

On the Resilience of Parallel Sparse Hybrid Solvers. - Emmanuel Agullo; Luc Giraud; Mawussi Zounon (HiPC, 2015)

Spectral recycling strategies for the solution of nonlinear eigenproblems in thermoacoustics. - Pablo Salas; Luc Giraud; Yousef Saad; Stéphane Moreau (Numer. Linear Algebra Appl., 2015)

On rounding error resilience, maximal attainable accuracy and parallel performance of the pipelined Conjugate Gradients method for large-scale linear systems in PETSc. - Siegfried Cools; Wim Vanroose; Emrullah Fatih Yetkin; Emmanuel Agullo; Luc Giraud (EASC, 2016)

Task-Based Conjugate Gradient: From Multi-GPU Towards Heterogeneous Architectures. - Emmanuel Agullo; Luc Giraud; Abdou Guermouche; Stojce Nakov; Jean Roman (Euro-Par Workshops, 2016)

Task-Based Sparse Hybrid Linear Solver for Distributed Memory Heterogeneous Architectures. - Emmanuel Agullo; Luc Giraud; Stojce Nakov (Euro-Par Workshops, 2016)

Hard Faults and Soft-Errors: Possible Numerical Remedies in Linear Algebra Solvers. - Emmanuel Agullo; Siegfried Cools; Luc Giraud; A. Moreau; Pablo Salas; Wim Vanroose; Emrullah Fatih Yetkin; Mawussi Zounon (VECPAR, 2016)

Numerical recovery strategies for parallel resilient Krylov linear solvers. - Emmanuel Agullo; Luc Giraud; Abdou Guermouche; Jean Roman; Mawussi Zounon (Numer. Linear Algebra Appl., 2016)

Interpolation-Restart Strategies for Resilient Eigensolvers. - Emmanuel Agullo; Luc Giraud; Pablo Salas; Mawussi Zounon (SIAM J. Sci. Comput., 2016)

Special issue on parallel matrix algorithms and applications (PMAA'16). - Emmanuel Agullo; Peter Arbenz; Luc Giraud; Olaf Schenk (Parallel Comput., 2018)

Low-Rank Factorizations in Data Sparse Hierarchical Algorithms for Preconditioning Symmetric Positive Definite Matrices. - Emmanuel Agullo; Eric Darve; Luc Giraud; Yuval Harness (SIAM J. Matrix Anal. Appl., 2018)

Analyzing the Effect of Local Rounding Error Propagation on the Maximal Attainable Accuracy of the Pipelined Conjugate Gradient Method. - Siegfried Cools; Emrullah Fatih Yetkin; Emmanuel Agullo; Luc Giraud; Wim Vanroose (SIAM J. Matrix Anal. Appl., 2018)

Energy Analysis of a Solver Stack for Frequency-Domain Electromagnetics. - Emmanuel Agullo; Luc Giraud; Stéphane Lanteri; Gilles Marait; Anne-Cécile Orgerie; Louis Poirel (PDP, 2019)

Robust Preconditioners via Generalized Eigenproblems for Hybrid Sparse Linear Solvers. - Emmanuel Agullo; Luc Giraud; Louis Poirel (SIAM J. Matrix Anal. Appl., 2019)

Resiliency in Numerical Algorithm Design for Extreme Scale Simulations (Dagstuhl Seminar 20101). - Luc Giraud; Ulrich Rüde; Linda Stals (Dagstuhl Reports, 2020)

On Soft Errors in the Conjugate Gradient Method: Sensitivity and Robust Numerical Detection. - Emmanuel Agullo; Siegfried Cools; Emrullah Fatih Yetkin; Luc Giraud; Nick Schenkels; Wim Vanroose (SIAM J. Sci. Comput., 2020)

Resilience and fault tolerance in high-performance computing for numerical weather and climate prediction. - Tommaso Benacchio; Luca Bonaventura; Mirco Altenbernd; Chris D. Cantwell; Peter D. Düben; Mike Gillard; Luc Giraud; Dominik Göddeke; Erwan Raffin; Keita Teranishi; Nils Wedi (Int. J. High Perform. Comput. Appl., 2021)

Guest editorial: Virtual special issue on parallel matrix algorithms and applications (PMAA'18). - Olaf Schenk; Peter Arbenz; Luc Giraud; Wim Vanroose (Parallel Comput., 2021)

A robust GMRES algorithm in Tensor Train format. - Olivier Coulaud; Luc Giraud; Martina Iannacito (CoRR, 2022)

On some orthogonalization schemes in Tensor Train format. - Olivier Coulaud; Luc Giraud; Martina Iannacito (CoRR, 2022)

Resiliency in numerical algorithm design for extreme scale simulations. - 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; et al. (Int. J. High Perform. Comput. Appl., 2022)

A Block Minimum Residual Norm Subspace Solver with Partial Convergence Management for Sequences of Linear Systems. - Luc Giraud; Yan-Fei Jing; Yan-Fei Xiang (SIAM J. Matrix Anal. Appl., 2022)

Combining reduction with synchronization barrier on multi-core processors. - Aboul-Karim Mohamed El Maarouf; Luc Giraud; Abdou Guermouche; Thomas Guignon (Concurr. Comput. Pract. Exp., 2023)

Sparse Matrix Ordering for Fine Grain Parallel Triangular Solve Using SIMD. - Aboul-Karim Mohamed El Maarouf; Luc Giraud; Abdou Guermouche; Thomas Guignon (PPAM (1), 2024)

Multifacets of lossy compression for scientific data in the Joint-Laboratory of Extreme Scale Computing. - Franck Cappello; Mario C. Acosta; Emmanuel Agullo; Hartwig Anzt; Jon Calhoun 001; Sheng Di; Luc Giraud; Thomas Grützmacher; Sian Jin; Kentaro Sano; Kento Sato; Amarjit Singh; et al. (Future Gener. Comput. Syst., 2025)

Robustness and reliability of state-space, frame-based modeling for thermoacoustics. - Mathieu Cances; Luc Giraud; Michael Bauerheim; Laurent Gicquel; Franck Nicoud (J. Comput. Phys., 2025)