Emmanuel Agullo

57 papers A 7B 1C 3Misc 3Journal 26Unranked 16
YearRankTypeTitle / Venue / Authors
2026 J jnl
Fault-tolerant numerical iterative algorithms at scale.
Int. J. High Perform. Comput. Appl.
Alix Tremodeux, Anne Benoit, Emmanuel Agullo, Thomas Hérault, Luc Giraud, Yves Robert
2025 J jnl
Multifacets of lossy compression for scientific data in the Joint-Laboratory of Extreme Scale Computing.
Future Gener. Comput. Syst.
Franck Cappello, Mario C. Acosta, Emmanuel Agullo, Hartwig Anzt, Jon Calhoun, Sheng Di, Luc Giraud, Thomas Grützmacher, Sian Jin, Kentaro Sano, Kento Sato, Amarjit Singh, Dingwen Tao, Jiannan Tian, Tomohiro Ueno, Robert Underwood, Frédéric Vivien, Xavier Yepes, Kazutomo Yoshii, Boyuan Zhang
2023 A conf
On the Arithmetic Intensity of Distributed-Memory Dense Matrix Multiplication Involving a Symmetric Input Matrix (SYMM).
IPDPS
Emmanuel Agullo, Alfredo Buttari, Olivier Coulaud, Lionel Eyraud-Dubois, Mathieu Faverge, Alain Franc, Abdou Guermouche, Antoine Jego, Romain Peressoni, Florent Pruvost
2023 J jnl
Task-based Parallel Programming for Scalable Matrix Product Algorithms.
ACM Trans. Math. Softw.
Emmanuel Agullo, Alfredo Buttari, Abdou Guermouche, Julien Herrmann, Antoine Jego
2022 — conf
Decentralized in-order execution of a sequential task-based code for shared-memory architectures.
IPDPS Workshops
Charly Castes, Emmanuel Agullo, Olivier Aumage, Emmanuelle Saillard
2022 A conf
Direct solution of larger coupled sparse/dense linear systems using low-rank compression on single-node multi-core machines in an industrial context.
IPDPS
Emmanuel Agullo, Marek Felsöci, Guillaume Sylvand
2022 J jnl
Resiliency in numerical algorithm design for extreme scale simulations.
Int. J. High Perform. Comput. Appl.
Emmanuel Agullo, Mirco Altenbernd, Hartwig Anzt, Leonardo Bautista-Gomez, Tommaso Benacchio, Luca Bonaventura, Hans-Joachim Bungartz, Sanjay Chatterjee, Florina M. Ciorba, Nathan DeBardeleben, Daniel Drzisga, Sebastian Eibl, Christian Engelmann, Wilfried N. Gansterer, Luc Giraud, Dominik Göddeke, Marco Heisig, Fabienne Jézéquel, Nils Kohl, Xiaoye Sherry Li, Romain Lion, Miriam Mehl, Paul Mycek, Michael Obersteiner, Enrique S. Quintana-Ortí, Francesco Rizzi, Ulrich Rüde, Martin Schulz, Fred Fung, Robert Speck, Linda Stals, Keita Teranishi, Samuel Thibault, Dominik Thönnes, Andreas Wagner, Barbara I. Wohlmuth
2022 C conf
Study of the Processor and Memory Power and Energy Consumption of Coupled Sparse/Dense Solvers.
SBAC-PAD
Emmanuel Agullo, Marek Felsöci, Amina Guermouche, Hervé Mathieu, Guillaume Sylvand, Bastien Tagliaro
2020 J jnl
On Soft Errors in the Conjugate Gradient Method: Sensitivity and Robust Numerical Detection.
SIAM J. Sci. Comput.
Emmanuel Agullo, Siegfried Cools, Emrullah Fatih Yetkin, Luc Giraud, Nick Schenkels, Wim Vanroose
2020 J jnl
Resiliency in Numerical Algorithm Design for Extreme Scale Simulations.
CoRR
Emmanuel Agullo, Mirco Altenbernd, Hartwig Anzt, Leonardo Bautista-Gomez, Tommaso Benacchio, Luca Bonaventura, Hans-Joachim Bungartz, Sanjay Chatterjee, Florina M. Ciorba, Nathan DeBardeleben, Daniel Drzisga, Sebastian Eibl, Christian Engelmann, Wilfried N. Gansterer, Luc Giraud, Dominik Göddeke, Marco Heisig, Fabienne Jézéquel, Nils Kohl, Xiaoye Sherry Li, Romain Lion, Miriam Mehl, Paul Mycek, Michael Obersteiner, Enrique S. Quintana-Ortí, Francesco Rizzi, Ulrich Rüde, Martin Schulz, Fred Fung, Robert Speck, Linda Stals, Keita Teranishi, Samuel Thibault, Dominik Thönnes, Andreas Wagner, Barbara I. Wohlmuth
2019 C conf
Energy Analysis of a Solver Stack for Frequency-Domain Electromagnetics.
PDP
Emmanuel Agullo, Luc Giraud, Stéphane Lanteri, Gilles Marait, Anne-Cécile Orgerie, Louis Poirel
2019 — conf
On the Autotuning of Task-Based Numerical Libraries for Heterogeneous Architectures.
PARCO
Emmanuel Agullo, Jesús Cámara, Javier Cuenca, Domingo Giménez
2019 J jnl
Robust Preconditioners via Generalized Eigenproblems for Hybrid Sparse Linear Solvers.
SIAM J. Matrix Anal. Appl.
Emmanuel Agullo, Luc Giraud, Louis Poirel
2018 J jnl
Analyzing the Effect of Local Rounding Error Propagation on the Maximal Attainable Accuracy of the Pipelined Conjugate Gradient Method.
SIAM J. Matrix Anal. Appl.
Siegfried Cools, Emrullah Fatih Yetkin, Emmanuel Agullo, Luc Giraud, Wim Vanroose
2018 J jnl
Low-Rank Factorizations in Data Sparse Hierarchical Algorithms for Preconditioning Symmetric Positive Definite Matrices.
SIAM J. Matrix Anal. Appl.
Emmanuel Agullo, Eric Darve, Luc Giraud, Yuval Harness
2018 J jnl
Special issue on parallel matrix algorithms and applications (PMAA'16).
Parallel Comput.
Emmanuel Agullo, Peter Arbenz, Luc Giraud, Olaf Schenk
2017 J jnl
Bridging the Gap Between OpenMP and Task-Based Runtime Systems for the Fast Multipole Method.
IEEE Trans. Parallel Distributed Syst.
Emmanuel Agullo, Olivier Aumage, Bérenger Bramas, Olivier Coulaud, Samuel Pitoiset
2016 A conf
Are Static Schedules so Bad? A Case Study on Cholesky Factorization.
IPDPS
Emmanuel Agullo, Olivier Beaumont, Lionel Eyraud-Dubois, Suraj Kumar
2016 — conf
Exploiting a Parametrized Task Graph Model for the Parallelization of a Sparse Direct Multifrontal Solver.
Euro-Par Workshops
Emmanuel Agullo, George Bosilca, Alfredo Buttari, Abdou Guermouche, Florent Lopez
2016 — conf
Hard Faults and Soft-Errors: Possible Numerical Remedies in Linear Algebra Solvers.
VECPAR
Emmanuel Agullo, Siegfried Cools, Luc Giraud, A. Moreau, Pablo Salas, Wim Vanroose, Emrullah Fatih Yetkin, Mawussi Zounon
2016 J jnl
Implementing Multifrontal Sparse Solvers for Multicore Architectures with Sequential Task Flow Runtime Systems.
ACM Trans. Math. Softw.
Emmanuel Agullo, Alfredo Buttari, Abdou Guermouche, Florent Lopez
2016 J jnl
Interpolation-Restart Strategies for Resilient Eigensolvers.
SIAM J. Sci. Comput.
Emmanuel Agullo, Luc Giraud, Pablo Salas, Mawussi Zounon
2016 J jnl
Numerical recovery strategies for parallel resilient Krylov linear solvers.
Numer. Linear Algebra Appl.
Emmanuel Agullo, Luc Giraud, Abdou Guermouche, Jean Roman, Mawussi Zounon
2016 — conf
On rounding error resilience, maximal attainable accuracy and parallel performance of the pipelined Conjugate Gradients method for large-scale linear systems in PETSc.
EASC
Siegfried Cools, Wim Vanroose, Emrullah Fatih Yetkin, Emmanuel Agullo, Luc Giraud
2016 J jnl
Robust Memory-Aware Mappings for Parallel Multifrontal Factorizations.
SIAM J. Sci. Comput.
Emmanuel Agullo, Patrick R. Amestoy, Alfredo Buttari, Abdou Guermouche, Jean-Yves L'Excellent, François-Henry Rouet
2016 — conf
Task-Based Conjugate Gradient: From Multi-GPU Towards Heterogeneous Architectures.
Euro-Par Workshops
Emmanuel Agullo, Luc Giraud, Abdou Guermouche, Stojce Nakov, Jean Roman
2016 — conf
Task-Based Sparse Hybrid Linear Solver for Distributed Memory Heterogeneous Architectures.
Euro-Par Workshops
Emmanuel Agullo, Luc Giraud, Stojce Nakov
2016 J jnl
Task-based FMM for heterogeneous architectures.
Concurr. Comput. Pract. Exp.
Emmanuel Agullo, Bérenger Bramas, Olivier Coulaud, Eric Darve, Matthias Messner, Toru Takahashi
2015 — conf
Bridging the Gap between Performance and Bounds of Cholesky Factorization on Heterogeneous Platforms.
IPDPS Workshops
Emmanuel Agullo, Olivier Beaumont, Lionel Eyraud-Dubois, Julien Herrmann, Suraj Kumar, Loris Marchal, Samuel Thibault
2015 B conf
Fast and Accurate Simulation of Multithreaded Sparse Linear Algebra Solvers.
ICPADS
Luka Stanisic, Emmanuel Agullo, Alfredo Buttari, Abdou Guermouche, Arnaud Legrand, Florent Lopez, Brice Videau
2015 Misc conf
On the Resilience of Parallel Sparse Hybrid Solvers.
HiPC
Emmanuel Agullo, Luc Giraud, Mawussi Zounon
2015 Misc conf
Task-Based Multifrontal QR Solver for GPU-Accelerated Multicore Architectures.
HiPC
Emmanuel Agullo, Alfredo Buttari, Abdou Guermouche, Florent Lopez
2014 J jnl
Block GMRES Method with Inexact Breakdowns and Deflated Restarting.
SIAM J. Matrix Anal. Appl.
Emmanuel Agullo, Luc Giraud, Yan-Fei Jing
2014 J jnl
Task-Based FMM for Multicore Architectures.
SIAM J. Sci. Comput.
Emmanuel Agullo, Bérenger Bramas, Olivier Coulaud, Eric Darve, Matthias Messner, Toru Takahashi
2014 — conf
Task-Based Programming for Seismic Imaging: Preliminary Results.
HPCC/CSS/ICESS
Lionel Boillot, George Bosilca, Emmanuel Agullo, Henri Calandra
2013 — conf
Multifrontal QR Factorization for Multicore Architectures over Runtime Systems.
Euro-Par
Emmanuel Agullo, Alfredo Buttari, Abdou Guermouche, Florent Lopez
2013 J jnl
Parallel algebraic domain decomposition solver for the solution of augmented systems.
Adv. Eng. Softw.
Emmanuel Agullo, Luc Giraud, Abdou Guermouche, Azzam Haidar, Jean Roman
2012 — conf
Abstract: Matrices Over Runtime Systems at Exascale.
SC Companion
Emmanuel Agullo, George Bosilca, Bérenger Bramas, Cedric Castagnede, Olivier Coulaud, Eric Darve, Jack J. Dongarra, Mathieu Faverge, Nathalie Furmento, Luc Giraud, Xavier Lacoste, Julien Langou, Hatem Ltaief, Matthias Messner, Raymond Namyst, Pierre Ramet, Toru Takahashi, Samuel Thibault, Stanimire Tomov, Ichitaro Yamazaki
2012 J jnl
Pipelining the Fast Multipole Method over a Runtime System
CoRR
Emmanuel Agullo, Bérenger Bramas, Olivier Coulaud, Eric Darve, Matthias Messner, Toru Takahashi
2012 — conf
Poster: Matrices over Runtime Systems at Exascale.
SC Companion
Emmanuel Agullo, George Bosilca, Bérenger Bramas, Cedric Castagnede, Olivier Coulaud, Eric Darve, Jack J. Dongarra, Mathieu Faverge, Nathalie Furmento, Luc Giraud, Xavier Lacoste, Julien Langou, Hatem Ltaief, Matthias Messner, Raymond Namyst, Pierre Ramet, Toru Takahashi, Samuel Thibault, Stanimire Tomov, Ichitaro Yamazaki
2011 — conf
A Fully Empirical Autotuned Dense QR Factorization for Multicore Architectures.
Euro-Par (2)
Emmanuel Agullo, Jack J. Dongarra, Rajib Nath, Stanimire Tomov
2011 J jnl
Fully Empirical Autotuned QR Factorization For Multicore Architectures
CoRR
Emmanuel Agullo, Jack J. Dongarra, Rajib Nath, Stanimire Tomov
2011 C conf
LU factorization for accelerator-based systems.
AICCSA
Emmanuel Agullo, Cédric Augonnet, Jack J. Dongarra, Mathieu Faverge, Julien Langou, Hatem Ltaief, Stanimire Tomov
2011 J jnl
QCG-OMPI: MPI applications on grids.
Future Gener. Comput. Syst.
Emmanuel Agullo, Camille Coti, Thomas Hérault, Julien Langou, Sylvain Peyronnet, Ala Rezmerita, Franck Cappello, Jack J. Dongarra
2011 A conf
QR Factorization on a Multicore Node Enhanced with Multiple GPU Accelerators.
IPDPS
Emmanuel Agullo, Cédric Augonnet, Jack J. Dongarra, Mathieu Faverge, Hatem Ltaief, Samuel Thibault, Stanimire Tomov
2010 A conf
QR factorization of tall and skinny matrices in a grid computing environment.
IPDPS
Emmanuel Agullo, Camille Coti, Jack J. Dongarra, Thomas Hérault, Julien Langou
2010 J jnl
Reducing the I/O Volume in Sparse Out-of-core Multifrontal Methods.
SIAM J. Sci. Comput.
Emmanuel Agullo, Abdou Guermouche, Jean-Yves L'Excellent
2010 A conf
Tile QR factorization with parallel panel processing for multicore architectures.
IPDPS
Bilel Hadri, Hatem Ltaief, Emmanuel Agullo, Jack J. Dongarra
2010 J jnl
Towards an Efficient Tile Matrix Inversion of Symmetric Positive Definite Matrices on Multicore Architectures
CoRR
Emmanuel Agullo, Henricus Bouwmeester, Jack J. Dongarra, Jakub Kurzak, Julien Langou, Lee Rosenberg
2010 — conf
Towards an Efficient Tile Matrix Inversion of Symmetric Positive Definite Matrices on Multicore Architectures.
VECPAR
Emmanuel Agullo, Henricus Bouwmeester, Jack J. Dongarra, Jakub Kurzak, Julien Langou, Lee Rosenberg
2009 A conf
Comparative study of one-sided factorizations with multiple software packages on multi-core hardware.
SC
Emmanuel Agullo, Bilel Hadri, Hatem Ltaief, Jack J. Dongarra
2009 J jnl
QR Factorization of Tall and Skinny Matrices in a Grid Computing Environment
CoRR
Emmanuel Agullo, Camille Coti, Jack J. Dongarra, Thomas Hérault, Julien Langou
2008 J jnl
A parallel out-of-core multifrontal method: Storage of factors on disk and analysis of models for an out-of-core active memory.
Parallel Comput.
Emmanuel Agullo, Abdou Guermouche, Jean-Yves L'Excellent
2008 — conf
On the I/O Volume in Out-of-Core Multifrontal Methods with a Flexible Allocation Scheme.
VECPAR
Emmanuel Agullo, Abdou Guermouche, Jean-Yves L'Excellent
2008 — —
On the Out-Of-Core Factorization of Large Sparse Matrices. (Méthodes directes hors-mémoire (out-of-core) pour la résolution de systèmes linéaires creux de grande taille).
Emmanuel Agullo
2007 Misc conf
Reducing the I/O Volume in an Out-of-Core Sparse Multifrontal Solver.
HiPC
Emmanuel Agullo, Abdou Guermouche, Jean-Yves L'Excellent
2006 — conf
A Preliminary Out-of-Core Extension of a Parallel Multifrontal Solver.
Euro-Par
Emmanuel Agullo, Abdou Guermouche, Jean-Yves L'Excellent