Emmanuel Agullo
Publications
Publications
A journey through some numerical linear algebra algorithms with variable accuracy storageCAS-ANLA 2025 - The Chinese Academy of Sciences Workshop on Approximate computing in Numerical Linear Algebra, Apr 2025, Beijing, China |
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Scalable Domain Decomposition Methods for Large Sparse Linear Systems on Modern ArchitecturesCOMPAS 2025 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, Jun 2025, Bordeaux, France |
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Scalable Domain Decomposition Methods for Large Sparse Linear Systems on Modern ArchitecturesSparse Days 2025, Jun 2025, Toulouse, France |
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Practical stopping criteria for GMRESSparse Days meeting 2025, Jun 2025, Toulouse, France |
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High performance solvers for aeroacoustic simulations for AirbusCOMPAS 2025 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, Jun 2025, Bordeaux, France |
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A composable abstraction of hierarchical methods for matrix-vector product accelerationWorkshop on Approximate Computing in Numerical Linear Algebra 2025, Oct 2025, Paris, France |
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Using Floating Point Compression to increase H-Matrices performanceCOMPAS 2025 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, Jun 2025, Bordeaux, France |
A journey on subspace methods for the solution of sequences of linear systemsInternational conference on Mathematics and decision 2024, Mohammed VI Polytechnic University, Dec 2024, Rabat, Morocco |
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Vers un solveur direct à base de tâches pour des systèmes linéaires FEM/BEM creux/densesCOMPAS 2023 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, LISTIC : Laboratoire d’Informatique, Systèmes, Traitement de l’Information et de la Connaissance, de l’Université Savoie Mont Blanc., Jul 2023, Annecy, France |
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On the Arithmetic Intensity of Distributed-Memory Dense Matrix Multiplication Involving a Symmetric Input Matrix (SYMM)IPDPS 2023 - 37th International Parallel and Distributed Processing Symposium, IEEE, May 2023, St. Petersburg, FL, United States. pp.357-367 |
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GMRES in variable accuracy: a case study in low rank tensor linear systemsGAMM - Workshop on Applied and Numerical Linear Algebra 2022, Erin Carson; Iveta Hnětynková; Stefano Pozza; Petr Tichý; Miroslav Tůma, Sep 2022, Prague, Czech Republic |
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Decentralized in-order execution of a sequential task-based code for shared-memory architecturesIPDPSW 2022 - IEEE International Parallel and Distributed Processing Symposium Workshops, May 2022, Lyon, France. pp.552-561, ⟨10.1109/IPDPSW55747.2022.00095⟩ |
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Direct solution of larger coupled sparse/dense linear systems using low-rank compression on single-node multi-core machines in an industrial contextIPDPS 2022 - 36th IEEE International Parallel and Distributed Processing Symposium, May 2022, Lyon, France. pp.11, ⟨10.1109/IPDPS53621.2022.00012⟩ |
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Comparison of coupled solvers for FEM/BEM linear systems arising from discretization of aeroacoustic problemsCOMPAS 2021 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, Jul 2021, Lyon / Virtuel, France |
Numerical Analysis of the Maximal Attainable Accuracy in Communication-hiding Pipelined Conjugate GradientsCSE19 - SIAM Conference on Computational Science and Engineering, Feb 2019, Spokane, United States |
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Energy Analysis of a Solver Stack for Frequency-Domain ElectromagneticsPDP 2019 - 27th Euromicro International Conference on Parallel, Distributed and Network-Based Processing, Feb 2019, Pavia, Italy. pp.385-391, ⟨10.1109/EMPDP.2019.8671555⟩ |
On Soft Errors in the Conjugate Gradient: Sensitivity and Robust Numerical DetectionCSE19 - SIAM Conference on Computational Science and Engineering, Feb 2019, Spokane, United States |
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Simulation of a Sparse Direct Solver on Heterogeneous Systems using Starpu and SimgridSIAM Conference on Computational Science and Engineering (CSE 2019), Feb 2019, Spokane, United States |
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Hierarchical Symbolic Factorization for Sparse MatricesSparse Days 2018, Sep 2018, Toulouse, France |
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Vers une factorisation symbolique hiérarchique de rang faible pour des matrices creusesConférence d’informatique en Parallélisme, Architecture et Système (ComPAS'17), Jun 2017, Sophia Antipolis, France |
Robust coarse spaces for abstract Schwarz preconditioners via generalized eigenproblemsInternational conference on domain decomposition methods, DD24, Feb 2017, Svalbard, Norway |
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Soft Error in PCG: Sensitivity, Numerical Detections and Possible RecoveriesSIAM Conference on Computational Science and Engineering, CSE'17, Feb 2017, Atlanta, United States |
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Soft Error in Classical PCG and its Variants: Sensitivity, Numerical Detections and Possible Recovery PoliciesSIAM Annual meeting 2017, AN'17, Jul 2017, Pittsburgh, United States |
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Exploiting a Parametrized Task Graph model for the parallelization of a sparse direct multifrontal solverEuro-Par 2016: Parallel Processing Workshops, Aug 2016, Grenoble, France. ⟨10.1007/978-3-319-58943-5_14⟩ |
Task-based sparse hybrid linear solver for distributed memory heterogeneous architecturesHeteroPar'2016 worshop of Euro-Par, Aug 2016, Grenoble, France |
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Two New Block Krylov Methods for Linear Systems with Multiple Right-hand SidesIMA Conference on Numerical Linear Algebra and Optimization, Sep 2016, Birmingham, United Kingdom |
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Coarse Grid Correction for Algebraic Domain Decomposition SolversECCOMAS Congress 2016, Jun 2016, Hersonissos, Greece |
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High order scalable HDG method fro frequency-domain electromagneticsIcosahom 2016 - International Conference on Spectral and High Order Methods , Jun 2016, Rio de Janeiro, Brazil |
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Optimizing numerical simulations of elastodynamic wave propagation thanks to task-based parallel programmingSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France |
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Soft errors in PCG: detection and correctionSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France |
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Handling clusters with a task-based runtime system: application to GeophysicsRice - Oil & Gas HPC Workshop, Mar 2016, Houston, United States |
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Are Static Schedules so Bad ? A Case Study on Cholesky FactorizationIEEE International Parallel & Distributed Processing Symposium (IPDPS 2016), May 2016, Chicago, IL, United States |
Semi-Algebraic Coarse Space for Parallel Sparse Hybrid SolversJournée Calcul Haute Performance et Décomposition de Domaines, Apr 2016, Paris, France |
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Task-based Conjugate Gradient: from multi-GPU towards heterogeneous architecturesHeteroPar'2016 worshop of Euro-Par, Aug 2016, Grenoble, France. ⟨10.1007/978-3-319-58943-5⟩ |
Combining Software Pipelining with Numerical Pipelining in the Conjugate Gradient AlgorithmSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France |
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Coarse Grid Correction for the MaPHyS Algebraic Domain Decomposition SolverSparse Days 2016, Jun 2016, Toulouse, France |
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On rounding error resilience, maximal attainable accuracy and parallel performance of the pipelined Conjugate Gradients method for large-scale linear systems in PETScEASC 2016 - Exascale Applications and Software Conference, Apr 2016, Stockholm, Sweden. pp.1-10, ⟨10.1145/2938615.2938621⟩ |
Numerical fault tolerant strategies for resilient parallel eigensolversIMA Conference on Numerical Linear Algebra and Optimization, Sep 2016, Birmingham, United Kingdom |
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Hard faults and soft errors: possible numerical remedies in linear algebra solversVecPar - International meeting on High Performance Computing for Computational science, Jun 2016, Porto, Portugal |
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Reliability of Checksum based Detection for Soft Errors in Conjugate Gradient VariantsSIAM Conference on Computational Science and Engineering (SIAM CSE 2015), Mar 2015, Salt Lake city, Utah, United States |
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H-Matrix Solver for FEM/BEMCIMI Workshop on Fast Direct Solvers, Jun 2015, Toulouse, France |
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Portable task-based programming for elastodynamicsRice - Oil & Gas HPC Workshop, Mar 2015, Houston, United States |
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Portable task-based programming for Seismic ImagingMATHIAS – TOTAL Symposium on Mathematics, Oct 2015, Paris, France |
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Task-Based Parallelization of the Fast Multipole Method on NVIDIA GPUs and Multicore ProcessorsSIAM Conference on Computational Science and Engineering (SIAM CSE 2015), Mar 2015, Salt Lake City, United States |
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On Resiliency in Krylov SolversPACS'15: Plateform for Advanced Scientific Computing Conference, Jun 2015, Zurich, Switzerland |
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Portable task-based programming for seismic wave propagation simulation in time domainHOSCAR – 5th Brazil-French workshop on High performance cOmputing and SCientific dAta management dRiven by highly demanding applications (INRIA-CNPq), Sep 2015, Sophia Antipolis, France |
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On Numerical Resiliency in Numerical Linear Algebra SolversSalishan Conference on High-Speed Computing, DOE laboratories, Apr 2015, Salishan, United States |
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H-matrix techniques for parallel hybrid solversCIMI Workshop on Fast Direct Solvers, Jun 2015, Toulouse, France |
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Bridging the Gap between Performance and Bounds of Cholesky Factorization on Heterogeneous PlatformsHeterogeneity in Computing Workshop 2015, May 2015, Hyderabad, India. ⟨10.1109/IPDPSW.2015.35⟩ |
Data sparse techniques for parallel hybrid solversSIAM Conference on Applied Linear Algebra (SIAM LA 2015), Apr 2015, Atlanta, United States |
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Task-based multifrontal QR solver for GPU-accelerated multicore architectures22rd IEEE International Conference on High Performance Computing (HiPC 2015), Dec 2015, Bangalore, India. ⟨10.1109/HiPC.2015.27⟩ |
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Fast and Accurate Simulation of Multithreaded Sparse Linear Algebra SolversThe 21st IEEE International Conference on Parallel and Distributed Systems, Dec 2015, Melbourne, Australia |
Communication Avoiding and Hiding in preconditioned Krylov solversHigh Performance Computing in Science and Engineering: HPCSE'15, IT4Innovations National Supercomputing Center VSB-Technical University of Ostrava, Czech Republic, May 2015, Karolinka, Czech Republic |
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On the resilience of parallel sparse hybrid solversHiPC 2015 - IEEE International Conference on High Performance Computing, Dec 2015, Bangalore, India |
Recover-Restart Strategies for Resilient Parallel Numerical Linear Algebra SolversHouseholder Symposium XIX, Jun 2014, Spa, Belgium |
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Preliminary Investigations on Resilient Parallel Numerical Linear Algebra SolversSIAM Workshop on Exascale Applied Mathematics Challenges and Opportunities, Jul 2014, Chicago, United States |
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Recover-Restart Strategies for Resilient Parallel Numerical Linear Algebra SolversInternational Workshop on Parallel Matrix Algorithms and Applications (PMAA 2014), Jul 2014, Lugano, Switzerland |
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Portable Task-based programming for seismic imagingMATHIAS – TOTAL Symposium on Mathematics, Oct 2014, Paris, France |
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Overview of Distributed Linear Algebra on Hybrid Nodes over the StarPU RuntimeSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2014), Feb 2014, Portland, Oregon, United States |
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Task-based programming for Seismic Imaging: Preliminary ResultsIEEE 16th International Conference on High Performance Computing and Communications (HPCC), Aug 2014, Paris, France. pp.1259-1266, ⟨10.1109/HPCC.2014.205⟩ |
Toward parallel scalable linear solvers suited for large scale hierarchical parallel platformsWorld Congress on Computational Mechanics, Jul 2014, Barcelona, Spain |
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Harnessing clusters of hybrid nodes with a sequential task-based programming modelInternational Workshop on Parallel Matrix Algorithms and Applications (PMAA 2014), Jul 2014, Lugano, Switzerland |
Recovery-Restart Techniques for Resilient Krylov MethodsSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2014), Feb 2014, Portland, United States |
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Some Progresses on Krylov Linear Solvers: Block-variants and ResiliencyArgonne Mathematics and Computer Science Seminar, Jul 2014, Lemont, United States |
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Towards resilient parallel linear Krylov solvers: recover-restart strategiesSparse days 2013, CERFACS, Jun 2013, Toulouse, France |
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Pipelining the CG Solver Over a Runtime SystemGPU Technology Conference, NVIIDA, Mar 2013, San Jose, United States |
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Towards resilient parallel linear Krylov solvers with recover-restart strategiesEuropean Numerical Mathematics and Advanced Applications, Aug 2013, Lausanne, Switzerland |
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Pipelining the Fast Multipole Method over a Runtime SystemSIAM Conference on Computational Science and Engineering (SIAM CSE 2013), Feb 2013, Boston, United States |
3D Geophysics over a runtime system on a ccNUMA machineMATHIAS - TOTAL Symposium on Mathematics, Oct 2013, Paris, France |
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Optimized propagators for elastic waves with anisotropy Part 1: Applied Mathematics Part 2: High-Performance ComputingXSEDE -- International Summer School on HPC Challenges in Computational Sciences (PRACE workshop), Jun 2013, New York, United States |
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Combining recent HPC techniques for 3D geophysics acceleration2nd ECCOMAS Young Investigators Conference (YIC 2013), Sep 2013, Bordeaux, France |
Task-based Parallelization of the Fast Multipole Method on NVIDIA GPUs and Multicore ProcessorsGPU Technology Conference, NVIDIA, Mar 2013, San Jose, California, United States |
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Multifrontal QR Factorization for Multicore Architectures over Runtime Systems19th International Conference on Parallel Processing (EuroPar 2013), Aug 2013, Aachen, Germany. pp.521-532, ⟨10.1007/978-3-642-40047-6_53⟩ |
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Recent advances in sparse direct solvers22nd International Conference on Structural Mechanics in Reactor Technology (SMiRT 2013), Aug 2013, San Francisco, United States. pp.1-10 |
Robust Memory-Aware Mappings for Parallel Multifrontal FactorizationsSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2012), SIAM Activity Group on Supercomputing, Feb 2012, Savannah, Georgia, United States |
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Comparison of two sparse hybrid solversSIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2012), SIAM, Feb 2012, Savannah, United States |
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On a parallel hierarchical algebraic domain decomposition method for a large scale sparse linear solverSIAM Conference on Applied Linear Algebra (SIAM LA 2012), SIAM, Jun 2012, Valencia, Spain |
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On a Hierarchical Parallel Algebraic Domain Decomposition Linear SolverScalable Hierarchical Algorithms for eXtreme Computing (SHAX-C) Workshop, Apr 2012, Kaust, Saudi Arabia |
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Towards resilient Krylov solversSIAM Conference on Applied Linear Algebra (SIAM LA 2012), SIAM, Jun 2012, Valencia, Spain |
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Pipelining the CG Solver Over a Runtime SystemInternational Workshop on Parallel Matrix Algorithms and Applications (PMAA 2012), Jun 2012, London, United Kingdom |
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On a hierarchical parallel algebraic domain decomposition linear solverAquitaine-Euskadi Workshop on Applied Mathematics, Jun 2012, Bilbao, Spain |
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QR Factorization on a Multicore Node Enhanced with Multiple GPU Accelerators25th IEEE International Parallel & Distributed Processing Symposium, May 2011, Anchorage, United States. ⟨10.1109/IPDPS.2011.90⟩ |
Parallel algebraic domain decomposition solver for the solution of augmented systemsThe Second International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering, Apr 2011, Ajaccio, France |
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Algebraic Schwarz preconditioning for the Schur complement: application to the time-harmonic Maxwell equations discretized by a discontinuous Galerkin methodThe Twentieth International Conference on Domain Decomposition Methods, Feb 2011, San Diego La Jolla, United States |
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A Fully Empirical Autotuned Dense QR Factorization for Multicore ArchitecturesEuro-Par 2011 Parallel Processing, Aug 2011, Bordeaux, France. pp.194-205 |
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LU Factorization for Accelerator-based Systems9th ACS/IEEE International Conference on Computer Systems and Applications (AICCSA 11), Jun 2011, Sharm El-Sheikh, Egypt |
Performance of a sparse hybrid linear solver on a multicore clusterSIAM Conference on Computational Science and Engineering (CSE 2011), Feb 2011, Reno, United States |
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Autotuning dense linear algebra libraries on multicore architectures6th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'10), Jun 2010, Basel, Switzerland |
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Complexity analysis of sparse hybrid linear solvers3rd ''Scheduling in Aussois'' Workshop, Jun 2010, Aussois, France |
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Towards an efficient tile matrix inversion of symmetric positive definite matrices on multicore architectures9th International Meeting on High Performance Computing for Computational Science (VecPar'10), Jun 2010, Berkeley, United States |
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Dynamically scheduled Cholesky factorization on multicore architectures with GPU accelerators.Symposium on Application Accelerators in High Performance Computing (SAAHPC), Jul 2010, Knoxville, United States |
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QR Factorization of Tall and Skinny Matrices in a Grid Computing Environment24th IEEE International Parallel and Distributed Processing Symposium (IPDPS 2010), Apr 2010, Atlanta, United States |
Towards a complexity analysis of sparse hybrid linear solversPara 2010 : State of the Art in Scientific and Parallel Computing, Jun 2010, Reykjavík, Iceland |
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Solveurs parallèles creux hybrides direct/itératif : application à des simulations 3DWorkshop Solveurs de systèmes linéaires de grande taille : les avancées récentes, Nov 2010, Lyon, France |
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Algebraic parallel domain decomposition solverJournée GNR MOMAS / GDR Calcul, May 2010, Paris, France |
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MaPHyS or the development of a parallel algebraic domain decomposition solver in the course of the solstice projectSparse Days 2010 Meeting at CERFACS, Jun 2010, Toulouse, France |
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Tile QR factorization with parallel panel processing for multicore architecturesSIAM Conference on Parallel Processing for Scientific Computing (PP10), Feb 2010, Seattle, United States |
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Parallel scalability and complexity analysis of sparse hybrid linear solvers6th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'10), Jun 2010, Basel, Switzerland |
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Tile QR Factorization with Parallel Panel Processing for Multicore Architectures24th IEEE International Parallel and Distributed Processing Symposium (IPDPS 2010), Apr 2010, Atlanta, United States |
On the I/O Volume in Out-of-Core Multifrontal Methods with a Flexible Allocation SchemeHigh Performance Computing for Computational Science - VECPAR 2008, 2008, France. pp.328-335 |
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On Reducing the I/O Volume in a Sparse Out-of-core SolverHiPC'07 14th International Conference On High Performance Computing, 2007, Goa, India, India. pp.47-58 |
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Reducing the I/O Volume in an Out-of-Core Sparse Multifrontal SolverHigh Performance Computing – HiPC 2007, 2007, India. pp.47-58 |
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Étude mémoire d'une méthode multifrontale parallèle hors-mémoire17e Rencontres Francophones en Parallélisme (RenPar'17), 2006, Perpignan, France, France. pp.220--227 |
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A Preliminary Out-of-Core Extension of a Parallel Multifrontal SolverEuro-Par 2006 Parallel Processing, 2006, Germany. pp.1053-1063 |
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Faster, Cheaper, Better – a Hybridization Methodology to Develop Linear Algebra Software for GPUsWen-mei W. Hwu. GPU Computing Gems, 2, Morgan Kaufmann, 2010 |
An Out-of-core Extension of a Parallel Multifrontal Solver2005 |
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Redundant computations in task-based parallelism with applications to communication-reducing algorithms2025 |
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On the Out-Of-Core Factorization of Large Sparse MatricesModeling and Simulation. Ecole normale supérieure de lyon - ENS LYON, 2008. English. ⟨NNT : ⟩ |