Publications of Jean-Yves L’EXCELLENT
Patrick Amestoy, Alfredo Buttari, Nicholas Higham, Jean-Yves L’excellent, Théo Mary, Bastien Vieublé
Five-Precision GMRES-based iterative refinement
SIAM Journal on Matrix Analysis and Applications, 2024, 45 (1), pp.529–552. ⟨10.1137/23M1549079⟩
Patrick Amestoy, Olivier Boiteau, Alfredo Buttari, Matthieu Gerest, Fabienne Jézéquel, Jean-Yves L’excellent, Théo Mary
Communication Avoiding Block Low-Rank Parallel Multifrontal Triangular Solve with Many Right-Hand Sides
SIAM Journal on Matrix Analysis and Applications, 2024, 45 (1), pp.148-166. ⟨10.1137/23M1568600⟩
Patrick Amestoy, Alfredo Buttari, Nicholas J Higham, Jean-Yves L’excellent, Théo Mary, Bastien Vieublé
Combining sparse approximate factorizations with mixed precision iterative refinement
ACM Transactions on Mathematical Software, 2023, 49 (1), pp.1-29. ⟨10.1145/3582493⟩
Stéphane Operto, Patrick Amestoy, Stephen Beller, Alfredo Buttari, L. Combe, Victorita Dolean, Matthieu Gerest, Gaoshan Guo, Pierre Jolivet, Jean-Yves L’Excellent, Frichnel Mamfoumbi, Théo Mary, Chiara Puglisi, Alessandra Ribodetti, Pierre-Henri Tournier
Is 3D frequency-domain FWI of full-azimuth/long-offset OBN data feasible? The Gorgon case study
Leading Edge, 2023, 42 (3), pp.173-183. ⟨10.1190/tle42030173.1⟩
Patrick Amestoy, Olivier Boiteau, Alfredo Buttari, Matthieu Gerest, Fabienne Jézéquel, Jean-Yves L’Excellent, Théo Mary
Mixed Precision Low Rank Approximations and their Application to Block Low Rank LU Factorization
IMA Journal of Numerical Analysis, 2022, ⟨10.1093/imanum/drac037⟩
Patrick Amestoy, Alfredo Buttari, Jean-Yves L’Excellent, Théo Mary
Bridging the gap between flat and hierarchical low-rank matrix formats: the multilevel BLR format
SIAM Journal on Scientific Computing, 2019, 41 (3), pp.A1414-A1442. ⟨10.1137/18M1182760⟩
Patrick Amestoy, Alfredo Buttari, Jean-Yves L’Excellent, Théo Mary
Performance and Scalability of the Block Low-Rank Multifrontal Factorization on Multicore Architectures
ACM Transactions on Mathematical Software, 2019, 45 (1), pp.1-23. ⟨10.1145/3242094⟩
Patrick Amestoy, Jean-Yves L’Excellent, Gilles Moreau
On exploiting sparsity of multiple right-hand sides in sparse direct solvers
SIAM Journal on Scientific Computing, 2019, 41 (1), pp.A269-A291. ⟨10.1137/17M1151882⟩
Patrick Amestoy, Alfredo Buttari, Jean-Yves L’Excellent, Théo Mary
On the Complexity of the Block Low-Rank Multifrontal Factorization
SIAM Journal on Scientific Computing, 2017, 39 (4), pp.34. ⟨10.1137/16M1077192⟩
Daniil Shantsev, Piyoosh Jaysaval, Sébastien de La Kethulle de Ryhove, Patrick Amestoy, Alfredo Buttari, Jean-Yves L’Excellent, Théo Mary
Large-scale 3D EM modeling with a Block Low-Rank multifrontal direct solver
Geophysical Journal International, 2017, 209 (3), pp.1558-1571. ⟨10.1093/gji/ggx106⟩
Patrick Amestoy, Romain Brossier, Alfredo Buttari, Jean-Yves L’Excellent, Théo Mary, Ludovic Métivier, Alain Miniussi, Stéphane Operto
Fast 3D frequency-domain full waveform inversion with a parallel Block Low-Rank multifrontal direct solver: application to OBC data from the North Sea
Geophysics, 2016, 81 (6), pp.R363-R383. ⟨10.1190/geo2016-0052.1⟩
Emmanuel Agullo, Patrick Amestoy, Alfredo Buttari, Abdou Guermouche, Jean-Yves L’Excellent, François-Henry Rouet
Robust memory-aware mappings for parallel multifrontal factorizations
SIAM Journal on Scientific Computing, 2016, 38 (3), pp.C256 – C279. ⟨10.1137/130938505⟩
Patrick Amestoy, Cleve Ashcraft, Olivier Boiteau, Alfredo Buttari, Jean-Yves L’Excellent, Clément Weisbecker
Improving Multifrontal Methods by Means of Block Low-Rank Representations
SIAM Journal on Scientific Computing, 2015, 37 (3), pp.A1451-A1474. ⟨10.1137/120903476⟩
Patrick Amestoy, Alfredo Buttari, Guillaume Joslin, Jean-Yves L’Excellent, Mohamed Sid-Lakhdar, Clément Weisbecker, Michele Forzan, Cristian Pozza, Rémy Perrin, Valène Pellissier
Shared memory parallelism and low-rank approximation techniques applied to direct solvers in FEM simulation
IEEE Transactions on Magnetics, 2014, vol. 50 (n° 2), pp. 1-4. ⟨10.1109/TMAG.2013.2284024⟩
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Yves Robert, François-Henry Rouet, Bora Uçar
On computing inverse entries of a sparse matrix in an out-of-core environment
In : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 34 N. 4, pp. 1975-1999, July 2012.
Florent Sourbier, Stéphane Operto, Jean Virieux, Patrick Amestoy, Jean-Yves L’Excellent
FWT2D: a massively parallel program for frequency-domain Full-Waveform Tomography of wide-aperture seismic data – Part 2: numerical examples and scalability analysis
In : Computer & Geosciences, Elsevier, Vol. 35 N. 3, pp. 496-514, 2009.
Florent Sourbier, Stéphane Operto, Jean Virieux, Patrick Amestoy, Jean-Yves L’Excellent
FWT2D: a massively parallel program for frequency-domain Full-Waveform Tomography of wide-aperture seismic data – Part 1: algorithm
In : Computer & Geosciences, Elsevier, Vol. 35 N. 3, pp. 487-495, 2009.
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.
Patrick Amestoy, Abdou Guermouche, Jean-Yves L’Excellent, Stéphane Pralet
Hybrid scheduling for the parallel solution of linear systems
In : Parallel Computing, World Scientific, Vol. 32 N. 2, pp. 136-156, 2006.
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Xiaoye Sherry Li
Impact of the Implementation of MPI Point-to-Point Communications on the Performance of Two General Sparse Solvers
In : Parallel Computing, World Scientific, Vol. 29 N. 7, pp. 833-847, 2003.
URL : http://www.enseeiht.fr/apo/MUMPS/RT_APO_01_4.ps.gz
BibTeXPatrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Xiaoye Sherry Li
Analysis, Tuning and Comparison of Two General Sparse Solvers for Distributed Memory Computers
In : ACM Transactions on Mathematical Software, Vol. 27 N. 4, pp. 388-421, 2001.
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Jacko Koster
A fully asynchronous multifrontal solver using distributed dynamic scheduling
In : SIAM Journal on Matrix Analysis and Applications, SIAM, Vol. 23, pp. 15-41, 2001.
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent
Multifrontal parallel distributed symmetric and unsymmetric solvers
In : Comput. Methods in Appl. Mech. Eng., Vol. 184, pp. 501-520, 2000.
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent
Parallelisation de la factorisation LU de matrices creuses non-symetriques pour des architectures a memoire distribuee
In : Calculateurs Paralleles, Reseaux et Systemes Repartis, Vol. 10, N. 5, pp. 509-520, 1998.
Michel Daydé, Jean-Yves L’Excellent, N.I.M. Gould
On the Use of Element-by-Element Preconditioners to Solve Large Scale Partially Separable Optimization Problems
In : SIAM Journal on Scientific Computing, Vol. 18 N. 6, pp. 1767-1787, 1997.
Patrick Amestoy, Olivier Boiteau, Alfredo Buttari, Laure Combe, Florian Faucher, Matthieu Gerest, Fabienne Jézéquel, Jean-Yves L’Excellent, Théo Mary, S. Operto, Chiara Puglisi
Recent advances on sparse direct solver using Block Low-Rank and mixed precision for large scale applications
SIAM Conference on Applied Linear Algebra (LA24), SIAM: Society for Industrial and Applied Mathematics; Sorbonne Universté, May 2024, Paris, France
Patrick Amestoy, Olivier Boiteau, Alfredo Buttari, Matthieu Gerest, Fabienne Jézéquel, Jean-Yves L’Excellent, Théo Mary
Reducing communications and memory costs of parallel Block Low-Rank solvers
SIAM Conference on Computational Science and Engineering (CSE 2023), Feb 2023, Amsterdam, Netherlands
Patrick Amestoy, Olivier Boiteau, Alfredo Buttari, Matthieu Gerest, Fabienne Jézéquel, Jean-Yves L’Excellent, Théo Mary
Solving linear systems efficiently using block low-rank compression in mixed precision
45ème Congrès National d’Analyse Numérique (CANUM 2022), Jun 2022, Évian-les-Bains, France
Patrick Amestoy, Alfredo Buttari, Florian Faucher, Jean-Yves L’Excellent, Matthieu Gerest, Théo Mary
Mixed precision sparse direct solver applied to 3D wave propagation
8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2022), Jun 2022, Oslo, Norway
Patrick Amestoy, Olivier Boiteau, Alfredo Buttari, Matthieu Gerest, Fabienne Jézéquel, Jean-Yves L’Excellent, Théo Mary
Solving linear systems efficiently using mixed-precision Block Low-Rank compression
Rencontres Arithmétique de l’informatique Mathématique (RAIM 2021), GdR GdR IM : Informatique Mathématique, May 2021, Paris, France
Patrick Amestoy, Romain Brossier, Alfredo Buttari, Jean-Yves L’Excellent, Théo Mary, Ludovic Métivier, Alain Miniussi, Stéphane Operto, Alessandra Ribodetti, Jean Virieux, Clement Weisbecker
Efficient 3D frequency-domain full-waveform inversion of ocean-bottom cable data with sparse block low-rank direct solver: a real data case study from the North Sea
SEG Annual meeting, Oct 2015, New Orleans, United States. pp.1303-1308, ⟨10.1190/segam2015-5713962.1⟩
Patrick Amestoy, Romain Brossier, Alfredo Buttari, Jean-Yves L’Excellent, Théo Mary, Ludovic Métivier, Alain Miniussi, Stéphane Operto, Jean Virieux, Clement Weisbecker
3D frequency-domain seismic modeling with a Parallel BLR multifrontal direct solver
SEG Annual meeting, Oct 2015, New Orleans, United States. pp.3606-3611
Mohamed Wissam Sid Lakhdar, Jean-Yves L’Excellent, Patrick Amestoy
Efficient deadlock-free asynchronous approaches for a distributed-memory sparse direct solver (ICIAM 2015)
8th International Congress on Industrial and Applied Mathematics (ICIAM 2015), International Council for Industrial and Applied Mathematics (ICIAM); National Natural Science Foundation of China; Chinese Academy of Sciences; China Association for Science and Technology; Ministry of Science and Technology of the People’s Republic of China, Aug 2015, Beijing, China
Patrick Amestoy, Jean-Yves L’Excellent, Mohamed Sid-Lakhdar
Characterizing asynchronous broadcast trees for multifrontal factorizations (SIAM – CSC 2014)
6th SIAM Workshop on Combinatorial Scientific Computing (CSC 2014), SIAM: Society for Industrial and Applied Mathematics; LIP : Laboratoire de l’Informatique du Parallélisme (CNRS, ENS Lyon, INRIA, Université Claude Bernard Lyon 1), Jul 2014, Lyon, France
Patrick Amestoy, Jean-Yves L’Excellent, François-Henry Rouet, Wissam M. Sid-Lakhdar
Modeling 1D distributed-memory dense kernels for an asynchronous multifrontal sparse solver
High Performance Computing for Computational Science, {VECPAR} 2014 – 11th International Conference, Revised Selected Papers, Jun 2014, Eugene, Oregon, United States. pp.156-169
Clément Weisbecker, Patrick Amestoy, Olivier Boiteau, Romain Brossier, Alfredo Buttari, Jean-Yves L’Excellent, Stéphane Operto, Jean Virieux
3D frequency-domain seismic modeling with a Block Low-Rank algebraic multifrontal direct solver (regular paper)
In : Society of Exploration Geophysicists annual meeting (SEG 2013), Houston – USA, 22/09/13-27/09/13, Society of Exploration Geophysicists, (on line), January 2013.
URL : https://www.onepetro.org/conference-paper/SEG-2013-0603 – https://oatao.univ-toulouse.fr/15168/
BibTeXEmmanuel Agullo, Patrick Amestoy, Alfredo Buttari, Abdou Guermouche, Guillaume Joslin, Jean-Yves L’Excellent, Xiaoye Sherry Li, Artem Napov, François-Henry Rouet, Mohamed Sid-Lakhdar, Shen Wang, Clément Weisbecker, Ichitaro Yamazaki
Recent Advances in Sparse Direct Solvers (regular paper)
In : Conference on Structural Mechanics in Reactor Technology (SMIRT 2013), San Francisco, 18/08/13-23/08/13, Elsevier, (on line), September 2013.
URL : http://crd.lbl.gov/assets/pubs_presos/paper3.pdf – https://oatao.univ-toulouse.fr/15162/
BibTeXEmmanuel Agullo, Patrick Amestoy, Alfredo Buttari, Abdou Guermouche, Jean-Yves L’Excellent, François-Henry Rouet
Robust memory-aware mappings for parallel multifrontal factorizations
In : SIAM conference on Parallel Processing for Scientific Computing (PP12), Savannah, GA, USA, 15/02/12-17/02/12.
Patrick Amestoy, Alfredo Buttari, Abdou Guermouche, Jean-Yves L’Excellent, Mohamed Sid-Lakhdar
Exploiting Multithreaded Tree Parallelism for Multicore Systems in a Parallel Multifrontal Solver
In : SIAM conference on Parallel Processing for Scientific Computing (PP12), Savannah, GA, USA, 15/02/12-17/02/12.
Patrick Amestoy, Cleve Ashcraft, Olivier Boiteau, Alfredo Buttari, Jean-Yves L’Excellent, Clément Weisbecker
Improving Multifrontal methods by means of Low-Rank Approximations techniques
In : 2012 SIAM Conference on Applied Linear Algebra, Valencia, Spain, 18/06/12-22/06/12.
Abstract URL : http://amestoy.perso.enseeiht.fr/doc/weisbecker_la12.pdf
BibTeXPatrick Amestoy, Iain Duff, Jean-Yves L’Excellent, François-Henry Rouet, Bora Uçar
Parallel computation of entries of A-1
In : SIAM Workshop on Combinatorial Scientific Computing (CSC11), Darmstadt, Germany, 19/05/11-21/05/11.
Abstract URL : http://amestoy.perso.enseeiht.fr/doc/CSC11.pdf
BibTeXPatrick Amestoy, Cleve Ashcraft, Olivier Boiteau, Alfredo Buttari, Jean-Yves L’Excellent, Clément Weisbecker
Grouping variables in Frontal Matrices to improve Low-Rank Approximations in a Multifrontal Solver
In : International Conference On Preconditioning Techniques For Scientific And Industrial Applications, Preconditioning 2011, Bordeaux, 16/05/11-18/05/11.
Abstract URL : http://amestoy.perso.enseeiht.fr/doc/weisbecker_precond11.pdf
BibTeXPatrick Amestoy, Alfredo Buttari, Philippe Combes, Abdou Guermouche, Jean-Yves L’Excellent, Tzvetomila Slavova, Bora Uçar
Overview of MUMPS (A multifrontal Massively Parallel Solver)
In : 2nd French-Japonese workshop on Petascale Applications, Algorithms and Programming (PAAP’08), Toulouse, 23/06/08-24/06/08.
Patrick Amestoy, Alfredo Buttari, Jean-Yves L’Excellent
Towards a parallel analysis phase for a multifrontal sparse solver
In : 5th International workshop on Parallel Matrix Algorithms and Applications (PMAA’08), Neuchâtel, Switzerland, 20/06/08-22/06/08.
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
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.
Abdou Guermouche, Jean-Yves L’Excellent
Flexible Task Allocation for the Memory Minimization of the Multifrontal Approach
In : Second International Workshop on Combinatorial Scientific Computing, toulouse, 21/06/05-23/06/05.
Abdou Guermouche, Jean-Yves L’Excellent
A study of various load information exchange mechanisms for a distributed application using dynamic scheduling
In : 19th International Parallel and Distributed Processing Symposium (IPDPS’05), Denver, USA, 03/04/05-08/04/05, IEEE, April 2005.
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.
Patrick Amestoy, Abdou Guermouche, Jean-Yves L’Excellent, Stéphane Pralet
Hybrid scheduling for the parallel solution of linear systems
In : International workshop on Parallel Matrix Algorithms and Applications (PMAA’04), Marseille (France), néant, October 2004.
Patrick Amestoy, Jean-Yves L’Excellent, Iain Duff, Xiaoye Sherry Li
Performance and tuning of two distributed memory sparse solvers
In : SIAM Conference on Parallel Processingfor Scientific Computing, Portsmouth (Virginia), 12/03/01-14/03/01, SIAM, Philadelphia, March 2001.
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Xiaoye Sherry Li
Performance Analysis of general sparse solvers for distributed memory computers
In : 7th SIAM conference on Applied Linear Algebra, Raleigh (North Carolina), 23/10/00-25/10/00.
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent
PARASOL. An Integrated Programming Environment forParallel Sparse Matrix Solvers
In : High-Performance Computing, ., Kluwer Academic/Plenum Publishers, New York, pp. 79-90, January 1999.
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Petr Plechac
Direct solvers in the PARASOL Project
In : Greenwich conference, UK, .
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent
Parallelisation d’un solveur direct creux pour architectures a memoire distribuee
In : Proceedings de la 3e Ecole d’Informatique des Systemes Paralleles et Repartis, ISYPAR 98, IRIT, Toulouse, .
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent, Petr Plechac
PARASOL: An Integrated Programming environment for Parallel Sparse Matric Solvers
In : PINEAPL Workshop, A Workshop on the Use of Parallel Numerical Libraries in Industrial End-user Applications, CERFACS, Toulouse, .
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent
Multifrontal solvers within the PARASOL environment
In : Applied Parallel Computing, PARA’98, ., Lecture Notes in Computer Science, No. 1541,Springer-Verlag, Berlin, pp. 7-11, January 1998.
Patrick Amestoy, Iain Duff, Jean-Yves L’Excellent
A distributed memory multifrontal solver
In : PARASOL Workshop on Sparse matrix solution on distributed architectures, CERFACS, Toulouse, .
Michel Daydé, Jérome Décamps, Jean-Yves L’Excellent, N.I.M. Gould
Solution of Large Scale Partially Separable UnconstrainedOptimization Problems Using Element-by-Element Preconditioners
In : Proceedings of NAFEMS WORLD CONGRESS 97, –, NAFEMS Ltd, Glasgow, Scotland, UK, January 1997.
Michel Daydé, Jérome Décamps, Jean-Yves L’Excellent, N.I.M. Gould
Solution of Large-Scale Optimization Problems using Element-by-Element Preconditioners
In : Fith SIAM Conference on Optimization, Victoria, Canada, 20/05/96.
Michel Daydé, Jean-Yves L’Excellent, N.I.M. Gould
Preprocessing of Sparse Unassembled Linear Systemsfor Efficient Solution Using Element-by-Element Preconditionerso
In : Proceedings of Euro-Par 96, Lyon, Springer Verlag, January 1996.
Jean-Yves L’Excellent, N.I.M. Gould
Solution of Structured Systems of Linear Equations Using Element-by-Element Preconditioners
In : Proceedings 2nd IMACS International Symposium on Iterative Methods in Linear Algebra, –, -, pp. 181-190, January 1995.
Patrick Amestoy, Alfredo Buttari, Iain Duff, Abdou Guermouche, Jean-Yves L’Excellent, Bora Uçar
MUMPS (MUltifrontal Massively Parallel Solver)
In : Encyclopedia of Parallel Computing. David Padua (Eds.) , Springer, pp. 0-0, August 2011.
URL : http://www.springer.com/computer/swe/book/978-0-387-09765-7
BibTeXPatrick Amestoy, Alfredo Buttari, Iain Duff, Abdou Guermouche, Jean-Yves L’Excellent, Bora Uçar
The multifrontal method
In : Encyclopedia of Parallel Computing. David Padua (Eds.) , Springer, pp. 0-0, August 2011.
URL : http://www.springer.com/computer/swe/book/978-0-387-09765-7
BibTeXEddy Caron, Frédéric Desprez, Jean-Yves L’Excellent, Christophe Hamerling, Marc Pantel, Chiara Puglisi
Use of A Network Enabled Server System for a Sparse Linear Algebra Application
In : Future Generation Grids. Michel Cosnard, Vladimir Getov, Alexander Reinefeld, Domenico Talia (Eds.) , Springer Verlag, Vol. 2, CoreGrid Series, 2005.
Utilisation de préconditionneurs élément-par-élément pour la résolution de problèmes d’optimisation de grande taille
Master’s Thesis, Institut National Polytechnique de Toulouse, November 1995.
Matthieu Gerest, Patrick Amestoy, Olivier Boiteau, Alfredo Buttari, Fabienne Jézéquel, Jean-Yves L’Excellent, Théo Mary
Block low-rank compression in mixed precision for the solution of sparse linear systems
Sparse Days conference 2022, Jun 2022, Saint-Girons, France.