Emmanuel Agullo

172
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Publications

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Fault-tolerant numerical iterative algorithms at scale

Alix Tremodeux , Anne Benoit , Emmanuel Agullo , Thomas Herault , Luc Giraud et al.

International Journal of High Performance Computing Applications, 2025

Article dans une revue hal-05234063v1
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Multifacets of lossy compression for scientific data in the Joint-Laboratory of Extreme Scale Computing

Franck Cappello , Sheng Di , Robert Underwood , Dingwen Tao , Jon Calhoun et al.

Future Generation Computer Systems, 2024, ⟨10.1016/j.future.2024.05.022⟩

Article dans une revue hal-04618060v1
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Task-based parallel programming for scalable matrix product algorithms

Emmanuel Agullo , Alfredo Buttari , Abdou Guermouche , Julien Herrmann , Antoine Jego

ACM Transactions on Mathematical Software, 2023, 49 (2), pp.Pages 1 - 23. ⟨10.1145/3583560⟩

Article dans une revue hal-03936659v2
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Resiliency in numerical algorithm design for extreme scale simulations

Emmanuel Agullo , Mirco Altenbernd , Hartwig Anzt , Leonardo Bautista-Gomez , Tommaso Benacchio et al.

International Journal of High Performance Computing Applications, 2021, pp.10943420211055188. ⟨10.1177/10943420211055188⟩

Article dans une revue hal-03348787v1
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On soft errors in the conjugate gradient method: sensitivity and robust numerical detection

Emmanuel Agullo , Siegfried Cools , Emrullah Fatih-Yetkin , Luc Giraud , Nick Schenkels et al.

SIAM Journal on Scientific Computing, 2020, 42 (6), ⟨10.1137/18M122858X⟩

Article dans une revue hal-03022845v1
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Robust preconditioners via generalized eigenproblems for hybrid sparse linear solvers

Emmanuel Agullo , Luc Giraud , Louis Poirel

SIAM Journal on Matrix Analysis and Applications, 2019, 40 (2), pp.417-439. ⟨10.1137/17M1153765⟩

Article dans une revue hal-02074474v1
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High order HDG method and domain decomposition solvers for frequency‐domain electromagnetics

Emmanuel Agullo , Luc Giraud , Alexis Gobé , Matthieu Kuhn , Stephane Lanteri et al.

International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 2019, ⟨10.1002/jnm.2678⟩

Article dans une revue hal-02327982v1
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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 Journal on Matrix Analysis and Applications, 2018, 39 (1), pp.426 - 450. ⟨10.1137/17M1117872⟩

Article dans une revue hal-01753411v1
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Low-Rank Factorizations in Data Sparse Hierarchical Algorithms for Preconditioning Symmetric Positive Definite Matrices

Emmanuel Agullo , Eric Darve , Luc Giraud , Yuval Harness

SIAM Journal on Matrix Analysis and Applications, 2018, 39 (4), pp.1701-1725

Article dans une revue hal-01940053v1
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Guest editorial: Special issue on parallel matrix algorithms and applications (PMAA’16)

Emmanuel Agullo , Peter Arbenz , Luc Giraud , Olaf Schenk

Parallel Computing, 2018, 74, pp.1 - 2. ⟨10.1016/j.parco.2018.01.003⟩

Article dans une revue hal-01927721v1
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Achieving High Performance on Supercomputers with a Sequential Task-based Programming Model

Emmanuel Agullo , Olivier Aumage , Mathieu Faverge , Nathalie Furmento , Florent Pruvost et al.

IEEE Transactions on Parallel and Distributed Systems, In press, ⟨10.1109/TPDS.2017.2766064⟩

Article dans une revue hal-01618526v1
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Bridging the gap between OpenMP and task-based runtime systems for the fast multipole method

Emmanuel Agullo , Olivier Aumage , Bérenger Bramas , Olivier Coulaud , Samuel Pitoiset

IEEE Transactions on Parallel and Distributed Systems, 2017, pp.14. ⟨10.1109/TPDS.2017.2697857⟩

Article dans une revue hal-01517153v1
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Numerical recovery strategies for parallel resilient Krylov linear solvers

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Jean Roman , Mawussi Zounon

Numerical Linear Algebra with Applications, 2016, 23 (5), pp.888--905. ⟨10.1002/nla.2059⟩

Article dans une revue hal-01323192v1
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Interpolation-restart strategies for resilient eigensolvers

Emmanuel Agullo , Luc Giraud , Pablo Salas , Mawussi Zounon

SIAM Journal on Scientific Computing, 2016, 38 (5), pp.C560-C583. ⟨10.1137/15M1042115⟩

Article dans une revue hal-01347793v1
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Robust memory-aware mappings for parallel multifrontal factorizations

Emmanuel Agullo , Patrick Amestoy , Alfredo Buttari , Abdou Guermouche , Jean-Yves L'Excellent et al.

SIAM Journal on Scientific Computing, 2016, 38 (3), pp.C256 - C279. ⟨10.1137/130938505⟩

Article dans une revue hal-01334113v2
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Implementing multifrontal sparse solvers for multicore architectures with Sequential Task Flow runtime systems

Emmanuel Agullo , Alfredo Buttari , Abdou Guermouche , Florent Lopez

ACM Transactions on Mathematical Software, 2016, ⟨10.1145/2898348⟩

Article dans une revue hal-01333645v1

Task-based FMM for heterogeneous architectures

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Eric Darve , Matthias Messner et al.

Concurrency and Computation: Practice and Experience, 2016, 28 (9), ⟨10.1002/cpe.3723⟩

Article dans une revue hal-01359458v1

Block GMRES method with inexact breakdowns and deflated restarting

Emmanuel Agullo , Luc Giraud , Yan-Fei Jing

SIAM Journal on Matrix Analysis and Applications, 2014, 35 (4), pp.1625-1651. ⟨10.1137/140961912⟩

Article dans une revue hal-01067159v1
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Task-Based FMM for Multicore Architectures

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Eric Darve , Matthias Messner et al.

SIAM Journal on Scientific Computing, 2014, 36 (1), pp.66-93. ⟨10.1137/130915662⟩

Article dans une revue hal-00911856v1

Parallel algebraic domain decomposition solver for the solution of augmented systems

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Jean Roman

Advances in Engineering Software, 2012, 60-61, pp.23-30. ⟨10.1016/j.advengsoft.2012.07.004⟩

Article dans une revue istex hal-00719512v1

Parallel hierarchical hybrid linear solvers for emerging computing platforms

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Jean Roman

Comptes rendus de l’Académie des sciences. Série IIb, Mécanique, 2011, High Performance Computing, 339 (2-3), pp.96-103. ⟨10.1016/j.crme.2010.11.005⟩

Article dans une revue istex inria-00548916v1

Reducing the I/O Volume in an Out-of-core Sparse Multifrontal Solver

Emmanuel Agullo , Abdou Guermouche , Jean-Yves L'Excellent

SIAM Journal on Scientific Computing, 2010, 31 (6), pp.4774-4794. ⟨10.1137/080720061⟩

Article dans une revue inria-00548902v1

QCG-OMPI: MPI Applications on Grids

Emmanuel Agullo , Camille Coti , Thomas Herault , Julien Langou , Sylvain Peyronnet et al.

Future Generation Computer Systems, 2010, ⟨10.1016/j.future.2010.11.015⟩

Article dans une revue istex inria-00548895v1

A Parallel Out-of-core Multifrontal Method: Storage of Factors on Disk and Analysis of Models for an Out-of-core Active Memory

Jean-Yves L'Excellent , Abdou Guermouche , Emmanuel Agullo

Parallel Computing, 2008, 34 (6-8), pp.296-317

Article dans une revue hal-00358621v1

A journey through some numerical linear algebra algorithms with variable accuracy storage

Luc Giraud , Emmanuel Agullo , Olivier Coulaud , Martina Iannacito , Mohammad Issa et al.

CAS-ANLA 2025 - The Chinese Academy of Sciences Workshop on Approximate computing in Numerical Linear Algebra, Apr 2025, Beijing, China

Communication dans un congrès hal-05049142v1
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Scalable Domain Decomposition Methods for Large Sparse Linear Systems on Modern Architectures

Stojce Nakov , Emmanuel Agullo , Alfredo Buttari , Luc Giraud , Gilles Marait

COMPAS 2025 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, Jun 2025, Bordeaux, France

Communication dans un congrès hal-05248772v1
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Scalable Domain Decomposition Methods for Large Sparse Linear Systems on Modern Architectures

Stojce Nakov , Emmanuel Agullo , Alfredo Buttari , Luc Giraud , Gilles Marait

Sparse Days 2025, Jun 2025, Toulouse, France

Communication dans un congrès hal-05248757v1
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Practical stopping criteria for GMRES

Alexandre Malhéné , Emmanuel Agullo , Luc Giraud , Miroslav Rozloznik

Sparse Days meeting 2025, Jun 2025, Toulouse, France

Communication dans un congrès hal-05200599v1
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High performance solvers for aeroacoustic simulations for Airbus

Esragul Korkmaz , Emmanuel Agullo , Guillaume Sylvand

COMPAS 2025 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, Jun 2025, Bordeaux, France

Communication dans un congrès hal-05175741v1
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A composable abstraction of hierarchical methods for matrix-vector product acceleration

Antoine Gicquel , Olivier Coulaud , Bérenger Bramas , Emmanuel Agullo

Workshop on Approximate Computing in Numerical Linear Algebra 2025, Oct 2025, Paris, France

Communication dans un congrès hal-05397428v1
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Using Floating Point Compression to increase H-Matrices performance

Clément Peaucelle , Emmanuel Agullo , Guillaume Sylvand

COMPAS 2025 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, Jun 2025, Bordeaux, France

Communication dans un congrès hal-05186849v1

A journey on subspace methods for the solution of sequences of linear systems

Luc Giraud , Emmanuel Agullo , Olivier Coulaud , Martina Iannacito , Gilles Marait et al.

International conference on Mathematics and decision 2024, Mohammed VI Polytechnic University, Dec 2024, Rabat, Morocco

Communication dans un congrès hal-04854993v1

Vers un solveur direct à base de tâches pour des systèmes linéaires FEM/BEM creux/denses

Emmanuel Agullo , Alfredo Buttari , Marek Felšöci , Guillaume Sylvand

COMPAS 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

Communication dans un congrès hal-04178064v1
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On the Arithmetic Intensity of Distributed-Memory Dense Matrix Multiplication Involving a Symmetric Input Matrix (SYMM)

Emmanuel Agullo , Alfredo Buttari , Olivier Coulaud , Lionel Eyraud-Dubois , Mathieu Faverge et al.

IPDPS 2023 - 37th International Parallel and Distributed Processing Symposium, IEEE, May 2023, St. Petersburg, FL, United States. pp.357-367

Communication dans un congrès hal-04093162v1
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GMRES in variable accuracy: a case study in low rank tensor linear systems

Martina Iannacito , Emmanuel Agullo , Olivier Coulaud , Luc Giraud , Gilles Marait et al.

GAMM - Workshop on Applied and Numerical Linear Algebra 2022, Erin Carson; Iveta Hnětynková; Stefano Pozza; Petr Tichý; Miroslav Tůma, Sep 2022, Prague, Czech Republic

Communication dans un congrès hal-03826879v2
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Decentralized in-order execution of a sequential task-based code for shared-memory architectures

Charly Castes , Emmanuel Agullo , Olivier Aumage , Emmanuelle Saillard

IPDPSW 2022 - IEEE International Parallel and Distributed Processing Symposium Workshops, May 2022, Lyon, France. pp.552-561, ⟨10.1109/IPDPSW55747.2022.00095⟩

Communication dans un congrès hal-03896030v1
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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 context

Emmanuel Agullo , Marek Felšöci , Guillaume Sylvand

IPDPS 2022 - 36th IEEE International Parallel and Distributed Processing Symposium, May 2022, Lyon, France. pp.11, ⟨10.1109/IPDPS53621.2022.00012⟩

Communication dans un congrès hal-03774145v1
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Comparison of coupled solvers for FEM/BEM linear systems arising from discretization of aeroacoustic problems

Emmanuel Agullo , Marek Felšöci , Guillaume Sylvand

COMPAS 2021 - Conférence francophone d'informatique en Parallélisme, Architecture et Système, Jul 2021, Lyon / Virtuel, France

Communication dans un congrès hal-03264472v1

Numerical Analysis of the Maximal Attainable Accuracy in Communication-hiding Pipelined Conjugate Gradients

Siegfried Cools , Jeffrey Cornelis , Emmanuel Agullo , Emrullah Fatih-Yetkin , Luc Giraud et al.

CSE19 - SIAM Conference on Computational Science and Engineering, Feb 2019, Spokane, United States

Communication dans un congrès hal-02073711v1
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Energy Analysis of a Solver Stack for Frequency-Domain Electromagnetics

Emmanuel Agullo , Luc Giraud , Stephane Lanteri , Gilles Marait , Anne-Cécile Orgerie et al.

PDP 2019 - 27th Euromicro International Conference on Parallel, Distributed and Network-Based Processing, Feb 2019, Pavia, Italy. pp.385-391, ⟨10.1109/EMPDP.2019.8671555⟩

Communication dans un congrès hal-02191331v1

On Soft Errors in the Conjugate Gradient: Sensitivity and Robust Numerical Detection

Emmanuel Agullo , Siegfried Cools , Luc Giraud , Emrullah Fatih-Yetkin , Wim Vanroose

CSE19 - SIAM Conference on Computational Science and Engineering, Feb 2019, Spokane, United States

Communication dans un congrès hal-02073742v1

Simulation of a Sparse Direct Solver on Heterogeneous Systems using Starpu and Simgrid

Emmanuel Agullo , Alfredo Buttari , Abdou Guermouche , Arnaud Legrand , Ian Masliah et al.

SIAM Conference on Computational Science and Engineering (CSE 2019), Feb 2019, Spokane, United States

Communication dans un congrès hal-02073725v1
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Hierarchical Symbolic Factorization for Sparse Matrices

Aurélien Falco , Emmanuel Agullo , Luc Giraud , Guillaume Sylvand

Sparse Days 2018, Sep 2018, Toulouse, France

Communication dans un congrès hal-01999895v1
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Vers une factorisation symbolique hiérarchique de rang faible pour des matrices creuses

Emmanuel Agullo , Aurélien Falco , Luc Giraud , Guillaume Sylvand

Conférence d’informatique en Parallélisme, Architecture et Système (ComPAS'17), Jun 2017, Sophia Antipolis, France

Communication dans un congrès hal-01597072v1

Robust coarse spaces for abstract Schwarz preconditioners via generalized eigenproblems

Emmanuel Agullo , Luc Giraud , Louis Poirel

International conference on domain decomposition methods, DD24, Feb 2017, Svalbard, Norway

Communication dans un congrès hal-01670178v1

Soft Error in PCG: Sensitivity, Numerical Detections and Possible Recoveries

Emmanuel Agullo , Luc Giraud , Emrullah Fatih Yetkin

SIAM Conference on Computational Science and Engineering, CSE'17, Feb 2017, Atlanta, United States

Communication dans un congrès hal-01670189v1

Soft Error in Classical PCG and its Variants: Sensitivity, Numerical Detections and Possible Recovery Policies

Emmanuel Agullo , Siegfried Cools , Luc Giraud , Wim Vanroose , Emrullah Fatih Yetkin

SIAM Annual meeting 2017, AN'17, Jul 2017, Pittsburgh, United States

Communication dans un congrès hal-01670198v1
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Exploiting a Parametrized Task Graph model for the parallelization of a sparse direct multifrontal solver

Emmanuel Agullo , George Bosilca , Alfredo Buttari , Abdou Guermouche , Florent Lopez

Euro-Par 2016: Parallel Processing Workshops, Aug 2016, Grenoble, France. ⟨10.1007/978-3-319-58943-5_14⟩

Communication dans un congrès hal-01337748v1

Task-based sparse hybrid linear solver for distributed memory heterogeneous architectures

Emmanuel Agullo , Luc Giraud , Stojce Nakov

HeteroPar'2016 worshop of Euro-Par, Aug 2016, Grenoble, France

Communication dans un congrès hal-01334738v1

Two New Block Krylov Methods for Linear Systems with Multiple Right-hand Sides

Yan-Fei Jing , Emmanuel Agullo , Bruno Carpentieri , Luc Giraud , Ting-Zhu Huang

IMA Conference on Numerical Linear Algebra and Optimization, Sep 2016, Birmingham, United Kingdom

Communication dans un congrès hal-01334648v1

Coarse Grid Correction for Algebraic Domain Decomposition Solvers

Louis Poirel , Emmanuel Agullo , Luc Giraud

ECCOMAS Congress 2016, Jun 2016, Hersonissos, Greece

Communication dans un congrès hal-01355534v1

High order scalable HDG method fro frequency-domain electromagnetics

Emmanuel Agullo , Matthieu Kuhn , Stéphane Lanteri , Ludovic Moya

Icosahom 2016 - International Conference on Spectral and High Order Methods , Jun 2016, Rio de Janeiro, Brazil

Communication dans un congrès hal-01404669v1

Optimizing numerical simulations of elastodynamic wave propagation thanks to task-based parallel programming

Lionel Boillot , Corentin Rossignon , George Bosilca , Emmanuel Agullo , Henri Calandra

SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France

Communication dans un congrès hal-01303379v1

Soft errors in PCG: detection and correction

Emmanuel Agullo , Siegfried Cools , Luc Giraud , Wim Vanroose , Emrullah Fatih Yetkin

SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France

Communication dans un congrès hal-01301240v1

Handling clusters with a task-based runtime system: application to Geophysics

Lionel Boillot , Corentin Rossignon , George Bosilca , Emmanuel Agullo , Henri Calandra et al.

Rice - Oil & Gas HPC Workshop, Mar 2016, Houston, United States

Communication dans un congrès hal-01303373v1
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Are Static Schedules so Bad ? A Case Study on Cholesky Factorization

Emmanuel Agullo , Olivier Beaumont , Lionel Eyraud-Dubois , Suraj Kumar

IEEE International Parallel & Distributed Processing Symposium (IPDPS 2016), May 2016, Chicago, IL, United States

Communication dans un congrès hal-01223573v2

Semi-Algebraic Coarse Space for Parallel Sparse Hybrid Solvers

Emmanuel Agullo , Louis Poirel , Luc Giraud

Journée Calcul Haute Performance et Décomposition de Domaines, Apr 2016, Paris, France

Communication dans un congrès hal-01440792v1

Task-based Conjugate Gradient: from multi-GPU towards heterogeneous architectures

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Stojce Nakov , Jean Roman

HeteroPar'2016 worshop of Euro-Par, Aug 2016, Grenoble, France. ⟨10.1007/978-3-319-58943-5⟩

Communication dans un congrès hal-01334734v1

Combining Software Pipelining with Numerical Pipelining in the Conjugate Gradient Algorithm

Emmanuel Agullo , Luc Giraud , Stojce Nakov

SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2016), Apr 2016, Paris, France

Communication dans un congrès hal-01301237v1

Coarse Grid Correction for the MaPHyS Algebraic Domain Decomposition Solver

Emmanuel Agullo , Luc Giraud , Louis Poirel

Sparse Days 2016, Jun 2016, Toulouse, France

Communication dans un congrès hal-01440803v1
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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 PETSc

Siegfried Cools , Wim Vanroose , Emrullah Fatih Yetkin , Emmanuel Agullo , Luc Giraud

EASC 2016 - Exascale Applications and Software Conference, Apr 2016, Stockholm, Sweden. pp.1-10, ⟨10.1145/2938615.2938621⟩

Communication dans un congrès hal-01734422v1

Numerical fault tolerant strategies for resilient parallel eigensolvers

Emmanuel Agullo , Luc Giraud , Pablo Salas , Mawussi Zounon

IMA Conference on Numerical Linear Algebra and Optimization, Sep 2016, Birmingham, United Kingdom

Communication dans un congrès hal-01334631v1

Hard faults and soft errors: possible numerical remedies in linear algebra solvers

Emmanuel Agullo , Siegfried Cools , Luc Giraud , Alexandre Moreau , Pablo Salas et al.

VecPar - International meeting on High Performance Computing for Computational science, Jun 2016, Porto, Portugal

Communication dans un congrès hal-01334675v1

Reliability of Checksum based Detection for Soft Errors in Conjugate Gradient Variants

Emmanuel Agullo , Luc Giraud , Emrullah Fatih Yetkin

SIAM Conference on Computational Science and Engineering (SIAM CSE 2015), Mar 2015, Salt Lake city, Utah, United States

Communication dans un congrès hal-01200706v1

H-Matrix Solver for FEM/BEM

Emmanuel Agullo , Aurélien Falco , Luc Giraud , Benoît Lizé , Guillaume Sylvand

CIMI Workshop on Fast Direct Solvers, Jun 2015, Toulouse, France

Communication dans un congrès hal-01215345v1

Portable task-based programming for elastodynamics

Lionel Boillot , Emmanuel Agullo , George Bosilca , Henri Calandra , Hélène Barucq et al.

Rice - Oil & Gas HPC Workshop, Mar 2015, Houston, United States

Communication dans un congrès hal-01128750v1

Portable task-based programming for Seismic Imaging

Lionel Boillot , George Bosilca , Emmanuel Agullo , Henri Calandra

MATHIAS – TOTAL Symposium on Mathematics, Oct 2015, Paris, France

Communication dans un congrès hal-01223339v1

Task-Based Parallelization of the Fast Multipole Method on NVIDIA GPUs and Multicore Processors

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Eric Darve , Matthias Messner et al.

SIAM Conference on Computational Science and Engineering (SIAM CSE 2015), Mar 2015, Salt Lake City, United States

Communication dans un congrès hal-01135258v1

On Resiliency in Krylov Solvers

Emmanuel Agullo , Luc Giraud , Pablo Salas , Emrullah Fatih Yetkin , Mawussi Zounon

PACS'15: Plateform for Advanced Scientific Computing Conference, Jun 2015, Zurich, Switzerland

Communication dans un congrès hal-01162618v1

Portable task-based programming for seismic wave propagation simulation in time domain

Emmanuel Agullo , Hélène Barucq , Lionel Boillot , George Bosilca , Henri Calandra et al.

HOSCAR – 5th Brazil-French workshop on High performance cOmputing and SCientific dAta management dRiven by highly demanding applications (INRIA-CNPq), Sep 2015, Sophia Antipolis, France

Communication dans un congrès hal-01208461v1

On Numerical Resiliency in Numerical Linear Algebra Solvers

Emmanuel Agullo , Luc Giraud , Pablo Salas , Emrullah Fatih Yetkin , Mawussi Zounon

Salishan Conference on High-Speed Computing, DOE laboratories, Apr 2015, Salishan, United States

Communication dans un congrès hal-01162627v1

H-matrix techniques for parallel hybrid solvers

Emmanuel Agullo , Eric Darve , Yuval Harness , Luc Giraud

CIMI Workshop on Fast Direct Solvers, Jun 2015, Toulouse, France

Communication dans un congrès hal-01215344v1
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Bridging the Gap between Performance and Bounds of Cholesky Factorization on Heterogeneous Platforms

Emmanuel Agullo , Olivier Beaumont , Lionel Eyraud-Dubois , Julien Herrmann , Suraj Kumar et al.

Heterogeneity in Computing Workshop 2015, May 2015, Hyderabad, India. ⟨10.1109/IPDPSW.2015.35⟩

Communication dans un congrès hal-01120507v1

Data sparse techniques for parallel hybrid solvers

Emmanuel Agullo , Eric Darve , Luc Giraud , Yuval Harness

SIAM Conference on Applied Linear Algebra (SIAM LA 2015), Apr 2015, Atlanta, United States

Communication dans un congrès hal-01256230v1

Task-based multifrontal QR solver for GPU-accelerated multicore architectures

Emmanuel Agullo , Alfredo Buttari , Abdou Guermouche , Florent Lopez

22rd IEEE International Conference on High Performance Computing (HiPC 2015), Dec 2015, Bangalore, India. ⟨10.1109/HiPC.2015.27⟩

Communication dans un congrès hal-01270145v1
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Fast and Accurate Simulation of Multithreaded Sparse Linear Algebra Solvers

Luka Stanisic , Emmanuel Agullo , Alfredo Buttari , Abdou Guermouche , Arnaud Legrand et al.

The 21st IEEE International Conference on Parallel and Distributed Systems, Dec 2015, Melbourne, Australia

Communication dans un congrès hal-01180272v2

Communication Avoiding and Hiding in preconditioned Krylov solvers

Bram Reps , Ghysels Pieter , Karl Meerbergen , Emmanuel Agullo , Emrullah Fatih Yetkin et al.

High Performance Computing in Science and Engineering: HPCSE'15, IT4Innovations National Supercomputing Center VSB-Technical University of Ostrava, Czech Republic, May 2015, Karolinka, Czech Republic

Communication dans un congrès hal-01162638v1
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On the resilience of parallel sparse hybrid solvers

Emmanuel Agullo , Luc Giraud , Mawussi Zounon

HiPC 2015 - IEEE International Conference on High Performance Computing, Dec 2015, Bangalore, India

Communication dans un congrès hal-01256316v2

Recover-Restart Strategies for Resilient Parallel Numerical Linear Algebra Solvers

Emmanuel Agullo , Luc Giraud , Pablo Salas , Mawussi Zounon

Householder Symposium XIX, Jun 2014, Spa, Belgium

Communication dans un congrès hal-01018760v1

Preliminary Investigations on Resilient Parallel Numerical Linear Algebra Solvers

Emmanuel Agullo , Luc Giraud , Pablo Salas , Emrullah Fatih Yetkin , Mawussi Zounon

SIAM Workshop on Exascale Applied Mathematics Challenges and Opportunities, Jul 2014, Chicago, United States

Communication dans un congrès hal-01018763v1

Recover-Restart Strategies for Resilient Parallel Numerical Linear Algebra Solvers

Emmanuel Agullo , Luc Giraud , Pablo Salas , Mawussi Zounon

International Workshop on Parallel Matrix Algorithms and Applications (PMAA 2014), Jul 2014, Lugano, Switzerland

Communication dans un congrès hal-01058138v1

Portable Task-based programming for seismic imaging

Lionel Boillot , George Bosilca , Emmanuel Agullo , Henri Calandra

MATHIAS – TOTAL Symposium on Mathematics, Oct 2014, Paris, France

Communication dans un congrès hal-01085333v1
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Overview of Distributed Linear Algebra on Hybrid Nodes over the StarPU Runtime

Emmanuel Agullo , Olivier Aumage , Mathieu Faverge , Nathalie Furmento , Florent Pruvost et al.

SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2014), Feb 2014, Portland, Oregon, United States

Communication dans un congrès hal-00978602v1
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Task-based programming for Seismic Imaging: Preliminary Results

Lionel Boillot , George Bosilca , Emmanuel Agullo , Henri Calandra

IEEE 16th International Conference on High Performance Computing and Communications (HPCC), Aug 2014, Paris, France. pp.1259-1266, ⟨10.1109/HPCC.2014.205⟩

Communication dans un congrès hal-01057580v2

Toward parallel scalable linear solvers suited for large scale hierarchical parallel platforms

Emmanuel Agullo , Mathieu Faverge , Luc Giraud , Abdou Guermouche , Pierre Ramet et al.

World Congress on Computational Mechanics, Jul 2014, Barcelona, Spain

Communication dans un congrès hal-00987110v1
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Harnessing clusters of hybrid nodes with a sequential task-based programming model

Emmanuel Agullo , Olivier Aumage , Mathieu Faverge , Nathalie Furmento , Florent Pruvost et al.

International Workshop on Parallel Matrix Algorithms and Applications (PMAA 2014), Jul 2014, Lugano, Switzerland

Communication dans un congrès hal-01283949v1

Recovery-Restart Techniques for Resilient Krylov Methods

Emmanuel Agullo , Luc Giraud , Salas Pablo , Mawussi Zounon

SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2014), Feb 2014, Portland, United States

Communication dans un congrès hal-01062232v1

Some Progresses on Krylov Linear Solvers: Block-variants and Resiliency

Emmanuel Agullo , Luc Giraud , Yan-Fei Jing , Pablo Salas , Emrullah Fatih Yetkin et al.

Argonne Mathematics and Computer Science Seminar, Jul 2014, Lemont, United States

Communication dans un congrès hal-01018761v1

Towards resilient parallel linear Krylov solvers: recover-restart strategies

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Jean Roman , Mawussi Zounon

Sparse days 2013, CERFACS, Jun 2013, Toulouse, France

Communication dans un congrès hal-00935685v1

Pipelining the CG Solver Over a Runtime System

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Stojce Nakov , Jean Roman

GPU Technology Conference, NVIIDA, Mar 2013, San Jose, United States

Communication dans un congrès hal-00934948v1

Towards resilient parallel linear Krylov solvers with recover-restart strategies

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Jean Roman

European Numerical Mathematics and Advanced Applications, Aug 2013, Lausanne, Switzerland

Communication dans un congrès hal-00933640v1
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Pipelining the Fast Multipole Method over a Runtime System

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Eric Darve , Matthias Messner et al.

SIAM Conference on Computational Science and Engineering (SIAM CSE 2013), Feb 2013, Boston, United States

Communication dans un congrès hal-00797403v1

3D Geophysics over a runtime system on a ccNUMA machine

Lionel Boillot , Emmanuel Agullo , George Bosilca , Henri Calandra

MATHIAS - TOTAL Symposium on Mathematics, Oct 2013, Paris, France

Communication dans un congrès hal-00877316v1

Optimized propagators for elastic waves with anisotropy Part 1: Applied Mathematics Part 2: High-Performance Computing

Lionel Boillot , Emmanuel Agullo , Hélène Barucq , George Bosilca , Henri Calandra et al.

XSEDE -- International Summer School on HPC Challenges in Computational Sciences (PRACE workshop), Jun 2013, New York, United States

Communication dans un congrès hal-00868169v1
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Combining recent HPC techniques for 3D geophysics acceleration

Lionel Boillot , Emmanuel Agullo , George Bosilca , Henri Calandra

2nd ECCOMAS Young Investigators Conference (YIC 2013), Sep 2013, Bordeaux, France

Communication dans un congrès hal-00855878v1

Task-based Parallelization of the Fast Multipole Method on NVIDIA GPUs and Multicore Processors

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Eric Darve , Matthias Messner et al.

GPU Technology Conference, NVIDIA, Mar 2013, San Jose, California, United States

Communication dans un congrès hal-00879291v1
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Multifrontal QR Factorization for Multicore Architectures over Runtime Systems

Emmanuel Agullo , Alfredo Buttari , Abdou Guermouche , Florent Lopez

19th International Conference on Parallel Processing (EuroPar 2013), Aug 2013, Aachen, Germany. pp.521-532, ⟨10.1007/978-3-642-40047-6_53⟩

Communication dans un congrès hal-01220611v1
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Recent advances in sparse direct solvers

Emmanuel Agullo , Patrick Amestoy , Alfredo Buttari , Abdou Guermouche , Guillaume Joslin et al.

22nd International Conference on Structural Mechanics in Reactor Technology (SMiRT 2013), Aug 2013, San Francisco, United States. pp.1-10

Communication dans un congrès hal-01060301v1

Robust Memory-Aware Mappings for Parallel Multifrontal Factorizations

Emmanuel Agullo , Patrick Amestoy , Alfredo Buttari , Abdou Guermouche , Jean-Yves L'Excellent et al.

SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2012), SIAM Activity Group on Supercomputing, Feb 2012, Savannah, Georgia, United States

Communication dans un congrès hal-00726644v1

Comparison of two sparse hybrid solvers

Emmanuel Agullo , Luc Giraud , Azzam Haidar , Matthieu Lecouvez , Xiaoye S. Li et al.

SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP 2012), SIAM, Feb 2012, Savannah, United States

Communication dans un congrès hal-00719544v1

On a parallel hierarchical algebraic domain decomposition method for a large scale sparse linear solver

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Jean Roman

SIAM Conference on Applied Linear Algebra (SIAM LA 2012), SIAM, Jun 2012, Valencia, Spain

Communication dans un congrès hal-00719537v1

On a Hierarchical Parallel Algebraic Domain Decomposition Linear Solver

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Stojce Nakov , Jean Roman

Scalable Hierarchical Algorithms for eXtreme Computing (SHAX-C) Workshop, Apr 2012, Kaust, Saudi Arabia

Communication dans un congrès hal-00726630v1

Towards resilient Krylov solvers

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Jean Roman , Mawussi Zounon

SIAM Conference on Applied Linear Algebra (SIAM LA 2012), SIAM, Jun 2012, Valencia, Spain

Communication dans un congrès hal-00719534v1

Pipelining the CG Solver Over a Runtime System

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Stojce Nakov , Jean Roman

International Workshop on Parallel Matrix Algorithms and Applications (PMAA 2012), Jun 2012, London, United Kingdom

Communication dans un congrès hal-00726652v1

On a hierarchical parallel algebraic domain decomposition linear solver

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Yan-Fei Jing , Stojce Nakov et al.

Aquitaine-Euskadi Workshop on Applied Mathematics, Jun 2012, Bilbao, Spain

Communication dans un congrès hal-00719527v1
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QR Factorization on a Multicore Node Enhanced with Multiple GPU Accelerators

Emmanuel Agullo , Cédric Augonnet , Jack Dongarra , Mathieu Faverge , Hatem Ltaief et al.

25th IEEE International Parallel & Distributed Processing Symposium, May 2011, Anchorage, United States. ⟨10.1109/IPDPS.2011.90⟩

Communication dans un congrès inria-00547614v1

Parallel algebraic domain decomposition solver for the solution of augmented systems

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Jean Roman

The Second International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering, Apr 2011, Ajaccio, France

Communication dans un congrès hal-00652931v1

Algebraic Schwarz preconditioning for the Schur complement: application to the time-harmonic Maxwell equations discretized by a discontinuous Galerkin method

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Jean Roman et al.

The Twentieth International Conference on Domain Decomposition Methods, Feb 2011, San Diego La Jolla, United States

Communication dans un congrès inria-00577639v1

A Fully Empirical Autotuned Dense QR Factorization for Multicore Architectures

Emmanuel Agullo , Jack Dongarra , Rajib Nath , Stanimire Tomov

Euro-Par 2011 Parallel Processing, Aug 2011, Bordeaux, France. pp.194-205

Communication dans un congrès hal-00726654v1
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LU Factorization for Accelerator-based Systems

Emmanuel Agullo , Cédric Augonnet , Jack Dongarra , Mathieu Faverge , Julien Langou et al.

9th ACS/IEEE International Conference on Computer Systems and Applications (AICCSA 11), Jun 2011, Sharm El-Sheikh, Egypt

Communication dans un congrès hal-00654193v1

Performance of a sparse hybrid linear solver on a multicore cluster

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Yohan Lee-Tin-Yien et al.

SIAM Conference on Computational Science and Engineering (CSE 2011), Feb 2011, Reno, United States

Communication dans un congrès inria-00548911v1

Autotuning dense linear algebra libraries on multicore architectures

Emmanuel Agullo , Jack Dongarra , Rajib Nath , Stanimire Tomov

6th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'10), Jun 2010, Basel, Switzerland

Communication dans un congrès inria-00548921v1

Complexity analysis of sparse hybrid linear solvers

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Jean Roman

3rd ''Scheduling in Aussois'' Workshop, Jun 2010, Aussois, France

Communication dans un congrès inria-00549221v1
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Towards an efficient tile matrix inversion of symmetric positive definite matrices on multicore architectures

Emmanuel Agullo , Henricus Bouwmeester , Jack Dongarra , Jakub Kurzak , Julien Langou et al.

9th International Meeting on High Performance Computing for Computational Science (VecPar'10), Jun 2010, Berkeley, United States

Communication dans un congrès inria-00548906v1
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Dynamically scheduled Cholesky factorization on multicore architectures with GPU accelerators.

Emmanuel Agullo , Cédric Augonnet , Jack Dongarra , Hatem Ltaief , Raymond Namyst et al.

Symposium on Application Accelerators in High Performance Computing (SAAHPC), Jul 2010, Knoxville, United States

Communication dans un congrès inria-00547616v1
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QR Factorization of Tall and Skinny Matrices in a Grid Computing Environment

Emmanuel Agullo , Camille Coti , Jack Dongarra , Thomas Herault , Julien Langou

24th IEEE International Parallel and Distributed Processing Symposium (IPDPS 2010), Apr 2010, Atlanta, United States

Communication dans un congrès inria-00548900v1

Towards a complexity analysis of sparse hybrid linear solvers

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Jean Roman

Para 2010 : State of the Art in Scientific and Parallel Computing, Jun 2010, Reykjavík, Iceland

Communication dans un congrès inria-00548913v1

Solveurs parallèles creux hybrides direct/itératif : application à des simulations 3D

Emmanuel Agullo , Azzam Haidar , Luc Giraud , Abdou Guermouche , Yohan Lee-Tin-Yien et al.

Workshop Solveurs de systèmes linéaires de grande taille : les avancées récentes, Nov 2010, Lyon, France

Communication dans un congrès inria-00549144v1

Algebraic parallel domain decomposition solver

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Yohan Lee-Tin-Yien et al.

Journée GNR MOMAS / GDR Calcul, May 2010, Paris, France

Communication dans un congrès inria-00549132v1

MaPHyS or the development of a parallel algebraic domain decomposition solver in the course of the solstice project

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Jean Roman

Sparse Days 2010 Meeting at CERFACS, Jun 2010, Toulouse, France

Communication dans un congrès inria-00548915v1

Tile QR factorization with parallel panel processing for multicore architectures

Emmanuel Agullo , Jack Dongarra , Bilel Hadri , Hatem Ltaief

SIAM Conference on Parallel Processing for Scientific Computing (PP10), Feb 2010, Seattle, United States

Communication dans un congrès inria-00548907v1

Parallel scalability and complexity analysis of sparse hybrid linear solvers

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Jean Roman

6th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'10), Jun 2010, Basel, Switzerland

Communication dans un congrès inria-00549126v1
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Tile QR Factorization with Parallel Panel Processing for Multicore Architectures

Bilel Hadri , Hatem Ltaief , Emmanuel Agullo , Jack Dongarra

24th IEEE International Parallel and Distributed Processing Symposium (IPDPS 2010), Apr 2010, Atlanta, United States

Communication dans un congrès inria-00548899v1

On the I/O Volume in Out-of-Core Multifrontal Methods with a Flexible Allocation Scheme

Emmanuel Agullo , Jean-Yves L'Excellent , Abdou Guermouche

High Performance Computing for Computational Science - VECPAR 2008, 2008, France. pp.328-335

Communication dans un congrès hal-00358627v1

On Reducing the I/O Volume in a Sparse Out-of-core Solver

Emmanuel Agullo , Abdou Guermouche , Jean-Yves L'Excellent

HiPC'07 14th International Conference On High Performance Computing, 2007, Goa, India, India. pp.47-58

Communication dans un congrès hal-00803524v1

Reducing the I/O Volume in an Out-of-Core Sparse Multifrontal Solver

Emmanuel Agullo , Jean-Yves L'Excellent , Abdou Guermouche

High Performance Computing – HiPC 2007, 2007, India. pp.47-58

Communication dans un congrès hal-00358625v1

Étude mémoire d'une méthode multifrontale parallèle hors-mémoire

Emmanuel Agullo , Abdou Guermouche , Jean-Yves L'Excellent

17e Rencontres Francophones en Parallélisme (RenPar'17), 2006, Perpignan, France, France. pp.220--227

Communication dans un congrès hal-00804405v1

A Preliminary Out-of-Core Extension of a Parallel Multifrontal Solver

Emmanuel Agullo , Jean-Yves L'Excellent , Abdou Guermouche

Euro-Par 2006 Parallel Processing, 2006, Germany. pp.1053-1063

Communication dans un congrès hal-00358624v1
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Guix-HPC Activity Report 2023-2024

Céline Acary-Robert , Emmanuel Agullo , Benjamin Arrondeau , Lars Bilke , Dylan Bissuel et al.

Inria Bordeaux - Sud Ouest. 2025, pp.1-36

Rapport hal-04942752v1
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Fault-tolerant numerical iterative algorithms at scale

Alix Tremodeux , Emmanuel Agullo , Anne Benoit , Luc Giraud , Thomas Herault et al.

RR-9567, Inria Lyon. 2025

Rapport hal-04872041v1
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Guix-HPC Activity Report 2022–2023

Céline Acary-Robert , Emmanuel Agullo , Ludovic Courtès , Marek Felšöci , Konrad Hinsen et al.

Inria Bordeaux - Sud Ouest. 2024, pp.1-32

Rapport (rapport d’expertise collective) hal-04500140v1
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Parallel distributed out-of-core coupled solvers for large sparse/dense FEM/BEM linear systems implementing low-rank compression

Emmanuel Agullo , Marek Felšöci , Guillaume Sylvand

RR-9550, Inria Bordeaux - Sud-Ouest. 2024, pp.39

Rapport hal-04618349v1
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Decentralized in-order execution of a sequential task-based code for shared-memory architectures

Charly Castes , Emmanuel Agullo , Olivier Aumage , Emmanuelle Saillard

[Research Report] RR-9450, Inria Bordeaux - Sud Ouest. 2022, pp.30

Rapport (rapport de recherche) hal-03547334v1
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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 context

Emmanuel Agullo , Marek Felšöci , Guillaume Sylvand

[Research Report] RR-9453, Inria Bordeaux Sud-Ouest. 2022, pp.25

Rapport (rapport de recherche) hal-03557692v1
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Task-Based Parallel Programming for Scalable Algorithms: application to Matrix Multiplication

Emmanuel Agullo , Alfredo Buttari , Abdou Guermouche , Julien Herrmann , Antoine Jego

[Research Report] RR-9461, Inria Bordeaux - Sud-Ouest. 2022, pp.29

Rapport hal-03588491v2
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Study of the processor and memory power consumption of coupled sparse/dense solvers

Emmanuel Agullo , Marek Felšöci , Amina Guermouche , Hervé Mathieu , Guillaume Sylvand et al.

[Research Report] RR-9463, Inria Bordeaux Sud-Ouest. 2022, pp.17

Rapport hal-03589695v2
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Task-based randomized singular value decomposition and multidimensional scaling

Emmanuel Agullo , Olivier Coulaud , Alexandre Denis , Mathieu Faverge , Alain Franc et al.

[Research Report] RR-9482, Inria Bordeaux - Sud Ouest; Inrae - BioGeCo. 2022, pp.37

Rapport hal-03773985v2
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The backward stable variants of GMRES in variable accuracy

Emmanuel Agullo , Olivier Coulaud , Luc Giraud , Martina Iannacito , Gilles Marait et al.

[Research Report] RR-9483, Inria. 2022, pp.1-77

Rapport hal-03776837v3
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A note on the strong parallel scalability of numerically scalable Poisson linear solvers

Emmanuel Agullo , Luc Giraud , Valentin Joncquieres , Gilles Marait , Louis Poirel et al.

[Research Report] RR-9423, Inria Bordeaux - Sud Ouest. 2021, pp.31

Rapport (rapport de recherche) hal-03352049v2
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On soft errors in the Conjugate Gradient method: sensitivity and robust numerical detection -revised

Emmanuel Agullo , Siegfried Cools , Emrullah Fatih-Yetkin , Luc Giraud , Nick Schenkels et al.

[Research Report] RR-9330, Inria Bordeaux Sud-Ouest. 2020, pp.43

Rapport (rapport de recherche) hal-02495301v3
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A complementary note on soft errors in the Conjugate Gradient method: the persistent error case

Emmanuel Agullo , Siegfried Cools , Emrullah Fatih-Yetkin , Luc Giraud , Nick Schenkels et al.

[Research Report] RR-9360, Inria Bordeaux Sud-Ouest. 2020

Rapport (rapport de recherche) hal-02921669v2
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Exploring variable accuracy storage through lossy compression techniques in numerical linear algebra: a first application to flexible GMRES

Emmanuel Agullo , Franck Cappello , Sheng Di , Luc Giraud , Xin Liang et al.

[Research Report] RR-9342, Inria Bordeaux Sud-Ouest. 2020

Rapport (rapport de recherche) hal-02572910v2
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On soft errors in the Conjugate Gradient method: sensitivity and robust numerical detection

Emmanuel Agullo , Siegfried Cools , Emrullah Fatih-Yetkin , Luc Giraud , Wim Vanroose

[Research Report] RR-9226, Inria Bordeaux Sud-Ouest. 2018

Rapport (rapport de recherche) hal-01929738v1
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Energy analysis of a solver stack for frequency-domain electromagnetics

Emmanuel Agullo , Luc Giraud , Stéphane Lanteri , Gilles Marait , Anne-Cécile Orgerie et al.

[Research Report] RR-9240, Inria Bordeaux Sud-Ouest. 2018

Rapport (rapport de recherche) hal-01962629v1
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Low-rank Factorizations in Data Sparse Hierarchical Algorithms for Preconditioning Symmetric Positive Definite Matrices

Emmanuel Agullo , Eric Darve , Luc Giraud , Yuval Harness

[Research Report] RR-9200, Inria Bordeaux Sud-Ouest. 2018

Rapport (rapport de recherche) hal-01856399v2
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Achieving high-performance with a sparse direct solver on Intel KNL

Emmanuel Agullo , Alfredo Buttari , Mikko Byckling , Abdou Guermouche , Ian Masliah

[Research Report] RR-9035, Inria Bordeaux Sud-Ouest; CNRS-IRIT; Intel corporation; Université Bordeaux. 2017, pp.15

Rapport (rapport de recherche) hal-01473475v1
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Task-based fast multipole method for clusters of multicore processors

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Martin Khannouz , Luka Stanisic

[Research Report] RR-8970, Inria Bordeaux Sud-Ouest. 2017, pp.15

Rapport (rapport de recherche) hal-01387482v4
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Modeling Irregular Kernels of Task-based codes: Illustration with the Fast Multipole Method

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Luka Stanisic , Samuel Thibault

[Research Report] RR-9036, INRIA Bordeaux. 2017, pp.35

Rapport (rapport de recherche) hal-01474556v1
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Robust coarse spaces for Abstract Schwarz preconditioners via generalized eigenproblems

Emmanuel Agullo , Luc Giraud , Louis Poirel

[Research Report] RR-8978, INRIA Bordeaux. 2016

Rapport (rapport de recherche) hal-01399203v1
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Hierarchical hybrid sparse linear solver for multicore platforms

Emmanuel Agullo , Luc Giraud , Stojce Nakov , Jean Roman

[Research Report] RR-8960, INRIA Bordeaux. 2016, pp.25

Rapport (rapport de recherche) hal-01379227v1
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Nearly optimal fast preconditioning of symmetric positive definite matrices

Emmanuel Agullo , Eric Darve , Luc Giraud , Yuval Harness

[Research Report] RR-8984, Inria Bordeaux Sud-Ouest. 2016, pp.34

Rapport (rapport de recherche) hal-01403480v2
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Analysis of rounding error accumulation in Conjugate Gradients to improve the maximal attainable accuracy of pipelined CG

Siegfried Cools , Emrullah Fatih Yetkin , Emmanuel Agullo , Luc Giraud , Wim Vanroose

[Research Report] RR-8849, Inria Bordeaux Sud-Ouest. 2016

Rapport (rapport de recherche) hal-01262716v3
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Bridging the gap between OpenMP 4.0 and native runtime systems for the fast multipole method

Emmanuel Agullo , Olivier Aumage , Berenger Bramas , Olivier Coulaud , Samuel Pitoiset

[Research Report] RR-8953, Inria. 2016, pp.49

Rapport (rapport de recherche) hal-01372022v1
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Achieving High Performance on Supercomputers with a Sequential Task-based Programming Model

Emmanuel Agullo , Olivier Aumage , Mathieu Faverge , Nathalie Furmento , Florent Pruvost et al.

[Research Report] RR-8927, Inria Bordeaux Sud-Ouest; Bordeaux INP; CNRS; Université de Bordeaux; CEA. 2016, pp.27

Rapport (rapport de recherche) hal-01332774v1
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Task-based hybrid linear solver for distributed memory heterogeneous architectures

Emmanuel Agullo , Luc Giraud , Stojce Nakov

[Research Report] RR-8913, Inria Bordeaux Sud-Ouest. 2016

Rapport (rapport de recherche) hal-01316783v1
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Interpolation-restart strategies for resilient eigensolvers

Emmanuel Agullo , Luc Giraud , Pablo Salas , Mawussi Zounon

[Research Report] 8625, INRIA Bordeaux. 2015

Rapport (rapport de recherche) hal-01201748v2
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Task-based multifrontal QR solver for GPU-accelerated multicore architectures

Emmanuel Agullo , Alfredo Buttari , Abdou Guermouche , Florent Lopez

[Research Report] IRI/RT--2015--02--FR-r1, IRIT, Toulouse. 2015

Rapport (rapport de recherche) hal-01166312v2
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On the resilience of a parallel sparse hybrid solver

Emmanuel Agullo , Luc Giraud , Mawussi Zounon

[Research Report] RR-8744, INRIA Bordeaux; INRIA. 2015

Rapport (rapport de recherche) hal-01165186v2
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Task-based FMM for heterogeneous architectures

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Eric Darve , Matthias Messner et al.

[Research Report] RR-8513, Inria. 2014, pp.29

Rapport (rapport de recherche) hal-00974674v1
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Block GMRES method with inexact breakdowns and deflated restarting

Emmanuel Agullo , Luc Giraud , Yan-Fei Jing

[Research Report] RR-8503, INRIA. 2014, pp.31

Rapport (rapport de recherche) hal-00963704v2
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Task-based FMM for multicore architectures

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Eric Darve , Matthias Messner et al.

[Research Report] RR-8277, INRIA. 2013, pp.33

Rapport (rapport de recherche) hal-00807368v1
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Towards resilient parallel linear Krylov solvers: recover-restart strategies

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Jean Roman , Mawussi Zounon

[Research Report] RR-8324, INRIA. 2013, pp.36

Rapport (rapport de recherche) hal-00843992v1
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Pipelining the Fast Multipole Method over a Runtime System

Emmanuel Agullo , Bérenger Bramas , Olivier Coulaud , Eric Darve , Matthias Messner et al.

[Research Report] RR-7981, INRIA. 2012, pp.24

Rapport (rapport de recherche) hal-00703130v1
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Task-based Conjugate-Gradient for multi-GPUs platforms

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Stojce Nakov , Jean Roman

[Research Report] RR-8192, INRIA. 2012, pp.28

Rapport (rapport de recherche) hal-00767368v1
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Parallel algebraic domain decomposition solver for the solution of augmented systems

Emmanuel Agullo , Luc Giraud , Abdou Guermouche , Azzam Haidar , Jean Roman

[Research Report] RR-7516, INRIA. 2011

Rapport (rapport de recherche) inria-00559133v1
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Fully Empirical Autotuned QR Factorization For Multicore Architectures

Emmanuel Agullo , Jack J. Dongarra , Rajib Nath , Stanimire Tomov

[Research Report] RR-7526, INRIA. 2011, pp.22

Rapport (rapport de recherche) inria-00569514v1
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Towards a Parallel Out-of-core Multifrontal Solver: Preliminary Study

Emmanuel Agullo , Abdou Guermouche , Jean-Yves L'Excellent

[Research Report] RR-6120, LIP RR 2007-06, INRIA, LIP. 2007, pp.48

Rapport (rapport de recherche) inria-00130278v2
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Reducing the I/O Volume in an Out-of-core Sparse Multifrontal Solver

Emmanuel Agullo , Abdou Guermouche , Jean-Yves L'Excellent

[Research Report] RR-6207, LIP RR-2007-22, INRIA, LIP. 2007, pp.32

Rapport (rapport de recherche) inria-00150588v2
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On the Out-Of-Core Factorization of Large Sparse Matrices

Emmanuel Agullo

Modeling and Simulation. Ecole normale supérieure de lyon - ENS LYON, 2008. English. ⟨NNT : ⟩

Thèse tel-00563463v1