Publications | Pierre Ramet

Clément Richefort, Matthieu Lecouvez, Robert Falgout, Pierre Ramet (2023). Toward a multilevel method for the Helmholtz equation. 21st SIAM Copper Mountain Conference on Multigrid Method.

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Robert Falgout, Matthieu Lecouvez, Pierre Ramet, Clément Richefort (2023). Toward a Multigrid Method for the Indefinite Helmholtz Equation. SIAM Conference on Computational Science and Engineering (CSE23).

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Esragul Korkmaz (2022). Improving the memory and time overhead of low-rank parallel linear sparse direct solvers.

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Esragul Korkmaz, Mathieu Faverge, Grégoire Pichon, Pierre Ramet (2022). Reaching the Quality of SVD for Low-Rank Compression Through QR Variants.

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Esragul Korkmaz, Mathieu Faverge, Grégoire Pichon, Pierre Ramet (2021). Deciding Non-Compressible Blocks in Sparse Direct Solvers using Incomplete Factorization. HiPC 2021 - 28th IEEE International Conference on High Performance Computing, Data, and Analytics.

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Matthias Hoelzl, Guido Huijsmans, Stanislas Pamela, Marina Bécoulet, Eric Nardon, Francisco Javier Artola, Boniface Nkonga, Calin Vlad Atanasiu, Vinodh Bandaru, Ashish Bhole, Daniele Bonfiglio, Andres Cathey, Olivier Czarny, Anastasia Dvornova, Tamas Fehér, Alexandre Fil, Emmanuel Franck, Shimpei Futatani, Marta Gruca, Hervé Guillard, Willem J. Haverkort, Ihor Holod, Di Hu, S.K. Kim, Sven Q. Korving, Leon Kos, Isabel Krebs, Lukas Kripner, Guillaume Latu, Franklin Liu, Peter Merkel, Dmytro Meshcheriakov, Verena Mitterauer, Serhiy Mochalskyy, Jorge A. Morales, Richard Nies, Nikita Nikulsin, François Orain, Jane Pratt, Rohan Ramasamy, Pierre Ramet, Cédric Reux, Konsta Särkimäki, N. Schwarz, Prabal Singh Verma, Siobhan Smith F., Cristian Sommariva, Erika Strumberger, Daan C. van Vugt, M. Verbeek, Egbert Westerhof, Fabian Wieschollek, Jeffery Zielinski (2021). The JOREK non-linear extended MHD code and applications to large-scale instabilities and their control in magnetically confined fusion plasmas. Nuclear Fusion.

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P. Ramet (2021). Study of the recent developments around the PaStiX solver for the EoCoE project: distributed mem- ory, runtime systems, and low-rank. 32nd International Conference on Parallel Computational Fluid Dynamics.

Esragul Korkmaz, Mathieu Faverge, Grégoire Pichon, Pierre Ramet (2021). Deciding Non-Compressible Blocks in Sparse Direct Solvers using Incomplete Factorization.

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Changjiang Gou, Ali Al Zoobi, Anne Benoit, Mathieu Faverge, Loris Marchal, Grégoire Pichon, Pierre Ramet (2020). Improving mapping for sparse direct solvers: A trade-off between data locality and load balancing. EuroPar 2020 - 26th International European Conference on Parallel and Distributed Computing.

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G. Pichon, E. Korkmaz, M. Faverge, P. Ramet (2020). Recent Developments Around the Block Low-Rank PaStiX Solver. 19th SIAM Conference on Parallel Processing for Scientific Computing.

Changjiang Gou, Ali AL ZOOBI, Anne Benoit, Mathieu Faverge, Loris Marchal, Grégoire Pichon, Pierre Ramet (2020). Improving mapping for sparse direct solvers: A trade-off between data locality and load balancing.

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Grégoire Pichon, E Darve, Mathieu Faverge, Esragul Korkmaz, Pierre Ramet, Jean Roman (2019). Sparse supernodal solver using block low-rank compression: Design, performance and analysis.

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Cédric Augonnet, David Goudin, Matthieu Kuhn, Xavier Lacoste, Raymond Namyst, Pierre Ramet (2019). A hierarchical fast direct solver for distributed memory machines with manycore nodes.

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Esragul Korkmaz, Mathieu Faverge, Grégoire Pichon, Pierre Ramet (2019). Rank Revealing QR Methods for Sparse Block Low Rank Solvers. Sparse Days 2019.

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Esragul Korkmaz, Mathieu Faverge, Grégoire Pichon, Pierre Ramet (2019). Rank Revealing QR Methods for Sparse Block Low Rank Solvers. COMPAS 2019 - Conférence d’informatique en Parallélisme, Architecture et Système.

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Pierre Ramet (2019). Utilisation de techniques de compression low-rank pour un solveur parallèle direct creux.

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Salli Moustafa, François Févotte, Mathieu Faverge, Laurent Plagne, Pierre Ramet (2019). Efficient Parallel Solution of the 3D Stationary Boltzmann Transport Equation for Diffusive Problems. Journal of Computational Physics.

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M. Faverge, G. Pichon, P. Ramet (2019). Exploiting Parameterized Task-graph in Sparse Direct Solvers. SIAM Conference on Computational Science and Engineering (CSE19).

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2019). Block Low-rank Algebraic Clustering for Sparse Direct Solvers. SIAM Conference on Computational Science and Engineering (CSE19).

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2018). Supernodes ordering to enhance Block Low-Rank compression in sparse direct solvers.

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Gregoire Pichon (2018). On the use of low-rank arithmetic to reduce the complexity of parallel sparse linear solvers based on direct factorization techniques.

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G. Pichon, M. Faverge, P. Ramet, J. Roman (2018). Utilisation de la compression low-rank pour réduire la complexité du solveur PaStiX.

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2018). Utilisation de la compression Block Low-Rank pour accélérer un solveur direct creux supernodal.

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2018). Sparse supernodal solver using block low-rank compression: Design, performance and analysis. International Journal of Computational Science and Engineering.

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2018). Supernodes ordering to enhance Block Low-Rank compression in sparse direct solvers. PMAA 2018 - 10th International Workshop on Parallel Matrix Algorithms and Applications.

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P. Ramet (2018). Heterogeneous architectures, Hybrid methods, Hierarchical matrices for Sparse Linear Solvers.

G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2017). Sparse Supernodal Solver Using Block Low-Rank Compression: design, performance and analysis.

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G. Pichon, E. Darve, M. Faverge, S. Lanteri, P. Ramet, J. Roman (2017). Sparse supernodal solver with low-rank compression for solving the frequency-domain Maxwell equations discretized by a high order HDG method.

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P. Ramet (2017). Heterogeneous architectures, Hybrid methods, Hierarchical matrices for Sparse Linear Solvers.

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2017). Sparse Supernodal Solver exploiting Low-Rankness Property. Sparse Days 2017.

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M. Faverge, S. Moustafa, F. Févotte, L. Plagne, P. Ramet (2017). Efficient Parallel Solution of the 3D Stationary Boltzmann Transport Equation for Diffusive Problems.

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G. Pichon (2017). Utilisation de la compression Block Low-Rank pour accélérer un solveur direct creux supernodal. COMPAS 2017.

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2017). Sparse Supernodal Solver Using Block Low-Rank Compression. 18th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing (PDSEC 2017).

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2017). Sparse Supernodal Solver Using Hierarchical Compression over Runtime System. SIAM Conference on Computation Science and Engineering.

G. Pichon, M. Faverge, P. Ramet, J. Roman (2017). Impact of Blocking Strategies for Sparse Direct Solvers on Top of Generic Runtimes. SIAM Conference on Computation Science and Engineering.

G. Pichon, M. Faverge, P. Ramet (2017). Exploiting Modern Manycore Architecture in Sparse Direct Solver with Runtime Systems. SIAM Conference on Computation Science and Engineering.

G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2017). Sparse Supernodal Solver Using Block Low-Rank Compression.

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G. Pichon, M. Faverge, P. Ramet, J. Roman (2017). Reordering Strategy for Blocking Optimization in Sparse Linear Solvers. SIAM Journal on Matrix Analysis and Applications.

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G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2016). Sparse Supernodal Solver Using Hierarchical Compression. Workshop on Fast Direct Solvers.

G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2016). On the use of low rank approximations for sparse direct solvers. SIAM Annual Meeting.

M. Faverge, G. Pichon, P. Ramet (2016). Exploiting Kepler architecture in sparse direct solver with runtime systems. Proceedings of PMAA'2016.

E. Agullo (2016). Overview of Task-based Sparse and Data-sparse Solvers on Top of Runtime Systems. Sparse Days.

G. Pichon, M. Faverge, P. Ramet, J. Roman (2016). Impact of Blocking Strategies for Sparse Direct Solvers on Top of Generic Runtimes. SIAM Conference on Parallel Processing for Scientific Computing.

G. Pichon, E. Darve, M. Faverge, P. Ramet, J. Roman (2016). Exploiting H-Matrices in Sparse Direct Solvers. SIAM Conference on Parallel Processing for Scientific Computing.

G. Pichon, M. Faverge, P. Ramet, J. Roman (2016). Reordering strategy for blocking optimization in sparse linear solvers.

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A. Casadei (2015). Optimizations of hybrid sparse linear solvers relying on Schur complement and domain decomposition approaches.

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M. Faverge, G. Pichon, P. Ramet, J. Roman (2015). Blocking strategy optimizations for sparse direct linear solver on heterogeneous architectures.

A. Casadei, P. Ramet (2015). Towards a recursive graph bipartitioning algorithm for well balanced domain decomposition. Mini-Symposium on "Combinatorial Issues in Sparse Matrix Computation" at ICIAM'15 conference.

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P. Ramet (2015). On the design of parallel linear solvers for large scale problems. Mini-Symposium on "Recent advances in matrix computations for extreme-scale computers" at ICIAM'15 conference.

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M. Faverge, X. Lacoste, P. Ramet (2015). PaStiX: Parallel Sparse Matrix Package.

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M. Faverge, G. Pichon, P. Ramet, J. Roman (2015). On the use of H-Matrix Arithmetic in PaStiX: a Preliminary Study. Workshop on Fast Solvers.

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M. Faverge, G. Pichon, P. Ramet, J. Roman (2015). Blocking strategy optimizations for sparse direct linear solver on heterogeneous architectures. Sparse Days.

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M. Faverge, G. Pichon, P. Ramet, J. Roman (2015). Blocking strategy optimization for sparse direct linear solvers on heterogeneous architectures.

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G. Pichon, A. Haidar, M. Faverge, J. Kurzak (2015). Divide and Conquer Symmetric Tridiagonal Eigensolver for Multicore Architectures. IEEE International Parallel & Distributed Processing Symposium (IPDPS 2015).

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S. Moustafa, M. Faverge, L. Plagne, P. Ramet (2015). 3D Cartesian Transport Sweep for Massively Parallel Architectures with PARSEC. 29th IEEE International Parallel & Distributed Processing Symposium, IPDPS'15.

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P. Ramet (2015). Solveurs Directs.

M. Alaya, M. Faverge, X. Lacoste, A. Péré-Laperne, J. Péré-Laperne, P. Ramet, T. Terraz (2015). Simul'Elec and PASTIX interface specifications.

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A. Casadei, P. Ramet, J. Roman (2015). Towards a recursive graph bipartitioning algorithm for well balanced domain decomposition. Mini-Symposium on "Partitioning for Complex Objectives" at SIAM CSE'15 conference.

Y. Laizet, A. Moreau, J.-M. Frigerio, Ph. Chaumeil, P. Gay, P. Ramet, D. Sherman, A. Franc (2015). Biodiversiton : application du HPC à l'étude de la biodiversit.

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H. Beaugendre, L. Lestandi, P. Ramet (2015). Benchmarking of the linear solver PaStiX for integration in LESCAPE.

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X. Lacoste, M. Faverge, P. Ramet (2015). A task-based sparse direct solver suited for large scale hierarchical/heterogeneous architectures. Mini-Symposium on "Task-based Scientific Computing Applications" at SIAM CSE'15 conference.

X. Lacoste (2015). Scheduling and memory optimizations for sparse direct solver on multi-core/multi-gpu duster systems.

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P. Ramet (2015). On the design of parallel linear solvers for large scale problems.

M. Faverge, X. Lacoste, P. Ramet, T. Terraz (2015). Etude de la factorisation directe hétŕogène et de la factorisation incomplt̀e sur solveur PaStiX appliqu'ś `d̀es syst`es̀ issus de probl`em ̀du CEA/CESTA.

A. Casadei, P. Ramet, J. Roman (2014). An improved recursive graph bipartitioning algorithm for well balanced domain decomposition. 21st IEEE International Conference on High Performance Computing (HiPC).

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X. Lacoste, M. Faverge, P. Ramet (2014). Distributed sparse matrix factorization on top of tasks based runtime systems.

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H. Sellama, G. Huijsmans, P. Ramet (2014). Adaptive mesh refinement for numerical simulation of MHD instabilities in tokamaks: JOREK code.

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E. Agullo, M. Faverge, L. Giraud, A. Guermouche, P. Ramet, J. Roman (2014). Toward parallel scalable linear solvers suited for large scale hierarchical parallel platforms.

E. Agullo, P. Ramet (2014). Task-based linear solvers for modern architectures.

S. Moustafa, M. Faverge, L. Plagne, P. Ramet (2014). Parallel 3D Sweep Kernel with PARSEC. 16th IEEE International Conference on High Performance and Communications, workshop on HPC-CFD in Energy/Transport Domains.

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A. Casadei, P. Ramet, J. Roman (2014). An improved recursive graph bipartitioning algorithm for well balanced domain decomposition.

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E. Agullo, M. Faverge, L. Giraud, A. Guermouche, P. Ramet, J. Roman (2014). Toward parallel scalable linear solvers suited for large scale hierarchical parallel platforms. WCCM-ECCM-ECFD workshop on "Enabling Technologies and their Application for Advancing Computational Mechanics".

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A. Casadei, P. Ramet, J. Roman (2014). Nested Dissection with Balanced Halo. SIAM Workshop on Combinatorial Scientific Computing.

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P. Ramet (2014). From hybrid architectures to hybrid solvers.

C. Dudley, E. Darve, S. Ambikasaran, A.~H. Aminfar (2014). Fast direct linear solvers for the boundary element method. WCCM-ECCM-ECFD workshop on "Fast Direct Solvers".

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C. Dudley, E. Darve, S. Ambikasaran, A.~H. Aminfar (2014). Fast Algorithms for Dense Linear Algebra. Proceedings of PMAA'2014.

E. Darve, A.~H. Aminfar, C. Dudley, P. Ramet, M. Faverge (2014). Fast Algorithms for Dense Linear Algebra.

S. Moustafa, M. Faverge, L. Plagne, P. Ramet (2014). 3D Cartesian Transport Sweep for Massively Parallel Architectures on top of PaRSEC.

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S. Moustafa, M. Faverge, L. Plagne, P. Ramet (2014). 3D Cartesian Transport Sweep for Massively Parallel Architectures on top of PaRSEC.

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X. Lacoste, M. Faverge, P. Ramet, S. Thibault, G. Bosilca (2014). Taking advantage of hybrid systems for sparse direct solvers via task-based runtimes. Proceedings of HCW'2014 workshop of IPDPS.

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P. Ramet (2014). Solveurs Directs.

P. Ramet (2014). Hybrid methods, Hybrid architectures, Hybrid compressions for sparse direct solvers.

X. Lacoste, M. Faverge, P. Ramet, S. Thibault, G. Bosilca (2014). Taking advantage of hybrid systems for sparse direct solvers via task-based runtimes.

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X. Lacoste, M. Faverge, P. Ramet (2013). Sparse Linear Algebra over DAG Runtimes.

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P. Ramet (2013). Parallel Numerical Solvers on top of Runtime Systems. SuperComputing'2013.

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P. Ramet (2013). Hybrid methods, Hybrid architectures, Hybrid compressions for sparse direct solvers.

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S. Moustafa, I. Dutka-Malen, L. Plagne, A. Poncot, P. Ramet (2013). Shared Memory Parallelism for 3D Cartesian Discrete Ordinates Solver. Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo.

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A. Casadei, L. Giraud, P. Ramet, J. Roman (2013). Towards Domain Decomposition with Balanced Halo. Workshop Celebrating 40 Years of Nested Dissection.

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P. Ramet (2013). Méthodes directes et hybrides pour des solveurs creux adapatś aux machines multiCPUs/multiGPUs.

P. Ramet (2013). From hybrid architectures to hybrid solvers.

P. Ramet (2013). From hybrid architectures to hybrid solvers. Workshop Celebrating 40 Years of Nested Dissection.

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X. Lacoste (2013). Work stealing and granularity optimizations for a sparse solver on manycores. Sparse Days.

P. Ramet (2013). Solveurs Directs.

O. Coulaud, L. Giraud, P. Ramet, X. Vasseur (2013). Augmentation and Deflation in Krylov subspace methods. Proceedings of PARENG'2013.

X. Lacoste, M. Faverge, P. Ramet (2013). Sparse Linear Algebra over DAG Runtimes. SIAM Conference on Computation Science and Engineering.

O. Coulaud, L. Giraud, P. Ramet, X. Vasseur (2013). Deflation and augmentation techniques in Krylov lienar solvers.

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O. Coulaud, L. Giraud, P. Ramet, X. Vasseur (2013). Developments in Parallel, Distributed, Grid and Cloud Computing for Engineering. Saxe-Coburg Publications.

E. Agullo, G. Bosilca, B. Bramas, C. Castagnede, O. Coulaud, E. Darve, J. Dongarra, M. Faverge, N. Furmento, G. Giraud, X. Lacoste, J. Langou, H. Ltaief, M. Messner, R. Namyst, P. Ramet, T. Takahashi, S Thibault, S. Tomov, I. Yamazaki (2012). Matrices over Runtime Systems at Exascale. SuperComputing'2012.

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X. Lacoste, M. Faverge, P. Ramet (2012). Scheduling for Sparse Solver on Manycore Architectures.

P. Ramet (2012). Sparse direct solver on top of large-scale multicore systems with GPU accelerators.

X. Lacoste, M. Faverge, P. Ramet (2012). Sparse direct solvers with accelerators over DAG runtimes.

G. Bosilca, M. Faverge, X. Lacoste, I. Yamazaki, P. Ramet (2012). Toward a supernodal sparse direct solver over DAG runtimes. Proceedings of PMAA'2012.

X. Lacoste, P. Ramet (2012). Sparse direct solver on top of large-scale multicore systems with GPU accelerators. SIAM Conference on Applied Linear Algebra.

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A. Casadei, P. Ramet (2012). Memory Optimization to Build a Schur Complement. SIAM Conference on Applied Linear Algebra.

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M. Faverge, P. Ramet (2012). Fine Grain Scheduling for Sparse Solver on Manycore Architectures. 15th SIAM Conference on Parallel Processing for Scientific Computing.

X. Lacoste, P. Ramet, M. Faverge, Y. Ichitaro, J. Dongarra (2012). Sparse direct solvers with accelerators over DAG runtimes.

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M. Boulet, G. Meurant, D. Goudin, J.-J. Pesque, M. Chanaud, L. Giraud, P. Hénon, P. Ramet, J. Roman (2012). Résolution des systèmes lináires sur calculateurs p'áflopiques.

A. Casadei, P. Ramet (2012). Memory Optimization to Build a Schur Complement in an Hybrid Solver.

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Mathieu Chanaud (2011). Conception d'un solveur haute performance de systèmes linéaires creux couplant des mt́hodes multigrilles et directes pour la r'ólution des 'eátions de Maxwell 3D en r'egé harmonique discr'eti'́ees ŕ 'el'eńtsínis.

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P. Ramet (2011). Solveurs Directs.

P. Ramet (2011). PaStiX: sparse direct/hybrid solver on many CPU/GPU clusters.

P. Ramet (2011). Linear algebra and sparse direct methods.

M. Barrault, B. Lathuilière, P. Ramet, J. Roman (2011). Efficient parallel resolution of the simplified transport equations in mixed-dual formulation. Journal of Computational Physics.

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P. Hénon, P. Ramet (2010). Scalable direct and iterative solvers. SuperComputing'2010.

P. Ramet (2010). Ordonnancement dynamique dans le solveur PaStiX pour des machines NUMA et multicoeurs.

Y. Suzuki, N. Kushida, T. Tatekawa, N. Teshima, Y. Caniou, R. Guivarch, M. Dayde, P. Ramet (2010). Development of an International Matrix-Solver Prediction System on a French-Japanese International Grid Computing Environment. Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010 (SNA + MC2010).

P. Ramet (2010). Formation Parallélisme.

P. Hénon, P. Ramet (2010). Scalable direct and iterative solvers.

B. Lathuilière (2010). Domain decomposition method for the Simplified Transport Equation in neutronic.

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M. Faverge, X. Lacoste, P. Ramet (2010). A NUMA Aware Scheduler for a Parallel Sparse Direct Solver.

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M. Faverge (2009). Static-Dynamic Hybrid Scheduling in sparse linear algebra for large clusters of NUMA and multi-cores architectures.

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J. Gaidamour (2009). Design of a parallel hybrid direct/iterative sparse linear solver.

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P. Ramet (2009). Dynamic Scheduling for Sparse Direct Solver on NUMA and Multicore Architectures. ComplexHPC meeting.

M. Faverge (2009). Vers un solveur de systèmes linéaires creux adapt ́aux machines NUMA. ACTES RenPar'2009.

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G. Huysmans, Pamela S., E. van~der~Plas, P. Ramet (2009). Non-Linear MHD simulations of Edge Localised Modes. 36th EPS Plasma Physics Conference.

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M. Faverge (2009). Dynamic Scheduling for Sparse Direct Solver on NUMA and Multicore Architectures. Sparse Days.

M. Barrault, B. Lathuilière, P. Ramet, J. Roman (2009). A Non Overlapping Parallel Domain Decomposition Method Applied to The Simplified Transport Equations. International Conference on Mathematics, Computational Methods & Reactor Physics.

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M. Faverge (2009). A NUMA Aware Scheduler for a Parallel Sparse Direct Solver. Journées Informatique Massivement Multiprocesseur et Multicoeur.

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R. Abgrall, R. Huart, P. Ramet (2009). Numerical simulation of unsteady MHD flows and applications. MagnetoHydroDynamics Journal.

G. Huysmans, S. Pamela, E. van~der~Plas, P. Ramet (2009). Non-linear MHD simulations of edge localized modes (ELMs). Plasma Physics and Controlled Fusion.

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P. Ramet (2008). Résolution de Systèmes Lináires, Algorithmes et Parall'ísme.

R. Abgrall, O. Coulaud, P. Hénon, Huart R., Huysmans G., Latu G., B. Nkonga, Pamela S., P. Ramet (2008). Numerical simulation of tokamak plasmas. 7th PAMIR International Conference on Fundamental and Applied MHD.

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P. Hénon, P. Ramet, J. Roman (2008). A supernode amalgamation algorithm for an efficient block incomplete factorization.

M. Barrault, B. Lathuilière, P. Ramet, J. Roman (2008). A domain decomposition method applied to the simplified transport equations. IEEE 11th International Conference on Computational Science and Engineering.

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Y. Caniou, J.-S. Gay, P. Ramet (2008). Tunable parallel experiments in a GridRPC framework: application to linear solvers. VECPAR'08, 8th International Meeting High Performance Computing for Computational Science.

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N. Kushida, Y. Suzuki, N. Teshima, N. Nakajima, Y. Caniou, M. Dayde, P. Ramet (2008). Toward an International Sparse Linear Algebra Expert System by Interconnecting the ITBL Computational Grid with the Grid-TLSE Platform. VECPAR'08, 8th International Meeting High Performance Computing for Computational Science.

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G. Huysmans, R. Abgrall, M. Becoulet, Huart R., B. and Nkonga, Pamela S., P. Ramet (2008). Non-Linear MHD code developement for ELM simulations. Poster session, 35th EPS Plasma Physics Conference.

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M. Faverge, X. Lacoste, P. Ramet (2008). A NUMA Aware Scheduler for a Parallel Sparse Direct Solver. Proceedings of PMAA'2008.

M. Barrault, B. Lathuilière, P. Ramet, J. Roman (2008). A Domain Decomposition Method Applied to Large Eigenvalue Problems in Neutron Physics. Proceedings of PMAA'2008.

M. Faverge, P. Ramet (2008). Dynamic Scheduling for sparse direct Solver on NUMA architectures. Proceedings of PARA'2008.

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P. Hénon, P. Ramet, J. Roman (2008). On finding approximate supernodes for an efficient ILU(k) factorization. Parallel Computing.

P. Hénon, P. Ramet, J. Roman (2007). A supernode amalgamation algorithm for an efficient block incomplete factorization. Proceedings of PPAM'2007, CTPSM07 Workshop.

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P. Ramet (2007). High performances methods for solving large sparse linear systems - Direct and Incomplete Factorization. Second NExt Grid Systems and Techniques, REDIMSPS Workshop.

O. Czarny, G. Huysmans, P. Hénon, P. Ramet (2007). Improvement of existing solvers for the simulation of MHD instabilities. Numerical flow models for controlled fusion.

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G. Caramel, P. Ramet (2007). Optimisation des performances des outils de calcul de neutronique des coeurs.

P. Ramet, J. Roman (2006). Méthodes directes hautes performances de rśolution en algèbre lin'íre creuse.

P. Hénon, P. Ramet, J. Roman (2006). On finding approximate supernodes for an efficient ILU(k) factorization. Proceedings of PMAA'2006.

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B. Braconnier, B. Nkonga, M. Papin, P. Ramet, Ricchiuto M., J. Roman, R. Abgrall (2006). Efficient solution technique for low Mach number compressible multiphase problems. Proceedings of PMAA'2006.

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P. Hénon, P. Ramet, J. Roman (2006). Partitioning and Blocking Issues for a Parallel Incomplete Factorization. Proceedings of PARA'2006.

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P. Hénon, Y. Saad (2006). A Parallel Multilevel ILU Factorization based on a Hierarchical Graph Decomposition. SIAM Journal of Scientific Computing.

P. Hénon, P. Ramet, J. Roman (2005). On using an hybrid MPI-Thread programming for the implementation of a parallel sparse direct solver on a network of SMP nodes. Proceedings of Sixth International Conference on Parallel Processing and Applied Mathematics, Workshop HPC Linear Algebra.

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P. Hénon, F. Pellegrini, P. Ramet, J. Roman (2005). Blocking Issues for an Efficient Parallel Block ILU Preconditioner. International SIAM Conference On Preconditioning Techniques For Large Sparse Matrix Problems In Scientific And Industrial Applications.

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F. Huard, P. Hénon, P. Ramet (2005). Intégration dans ODYSSEE de la chaine logicielle EMILIO.

P. Hénon, P. Ramet, J. Roman (2005). Evaluation des performances de la version SMP du solveur PaStiX de la chaine logicielle EMILIO dans l'environnement du code ODYSSEE.

G. Caramel, P. Hénon, P. Ramet (2005). Etude de faisabilité pour la parallĺisation d'un code de m'ánique des fluides en version non structur'e.

P. Hénon, P. Ramet, J. Roman (2004). Parallel Complete and Incomplete Blockwise Factorisations for Very Large Sparse Systems. SuperComputing'2004.

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P. Hénon, B. Nkonga, P. Ramet, J. Roman (2004). Using of the High Performance Sparse Solver PaStiX for the Complex Multiscale 3D Simulations performed by the FluidBox Fluid Mechanics Software. Proceedings of PMAA'2004.

P. Hénon, P. Ramet, J. Roman (2004). A Blockwise Algorithm for Parallel Incomplete Cholesky Factorization. Proceedings of PMAA'2004.

P. Hénon, F. Pellegrini, P. Ramet, J. Roman, Y. Saad (2004). Applying parallel direct solver skills to build robust and highly performant preconditioners. Proceedings of PARA'2004.

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P. Hénon, F. Pellegrini, P. Ramet, J. Roman, Y. Saad (2004). High Performance Complete and Incomplete Factorizations for Very Large Sparse Systems by using Scotch and PaStiX softwares. Eleventh SIAM Conference on Parallel Processing for Scientific Computing.

P. Hénon, F. Pellegrini, P. Ramet, J. Roman (2004). Etude sur l'applicabilité de mt́hodes it'átives nouvelles aux problèmes du CESTA.

A. Goureman, P. Ramet, J. Roman (2004). Développement de la phase d'assemblage de la chaîne EMILIO (distribution du maillage et multi-threading).

P. Hénon, F. Pellegrini, P. Ramet, J. Roman (2003). Towards High Performance Hybrid Direct-Iterative Solvers for Large Sparse Systems. International SIAM Conference On Preconditioning Techniques For Large Sparse Matrix Problems In Scientific And Industrial Applications.

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P. Hénon, Y. Saad (2003). A Parallel ILU factorization based on a Hierarchical Interface Decomposition algorithm. International SIAM Conference On Preconditioning Techniques For Large Sparse Matrix Problems In Scientific And Industrial Applications.

O. Beaumont, P. Ramet, J. Roman (2003). Asymptotically optimal algorithm for Laplace task graphs on heterogeneous platforms. Proceedings of Fifth International Conference on Parallel Processing and Applied Mathematics, Workshop HeteroPar.

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P. Hénon, P. Ramet, J. Roman (2003). Efficient algorithms for direct resolution of large sparse system on clusters of SMP nodes. SIAM Conference on Applied Linear Algebra.

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P. Hénon, Y. Saad (2003). PHIDAL: A Parallel Hierarchical Interface Decomposition Algorithm for solving sparse linear systems. Sparse Days and Grid Computing.

P. Hénon, F. Pellegrini, P. Ramet, J. Roman (2003). An efficient hybrid MPI/Thread implementation on a network of SMP nodes for the parallel sparse direct solver PaStix: ordering / scheduling / memory managment / out-of-core issues, and application to preconditioning. Sparse Days.

D. Goudin, P. Hénon, M. Mandallena, K. Mer, F. Pellegrini, P. Ramet, J. Roman, J.-J. Pesque (2003). Outils numériques parallèles pour la rśolution de trs̀ grands probl`ès d''éctromagn'eśme. Séminaire sur l’Algorithmique Numŕique Appliqu’ ́aux Problèmes Industriels.

P. Hénon, P. Ramet, J. Roman (2003). A Parallel Direct Solver for Very Large Sparse SPD Systems.

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Olivier Coulaud, Michael. Dussère, Pascal Hénon, Erik Lefebvre, Jean Roman (2003). Optimization of a kinetic laser-plasma interaction code for large parallel systems. Parallel Computing.

S. Christy, P. Ramet, J. Roman (2003). Développement de la phase d'assemblage de la chaîne EMILIO pour un solveur parallèle 2D.

P. Hénon, D. Lecas, P. Ramet, J. Roman (2003). Amélioration et Extension du Solveur Direct Parallèle pour Grandes Matrices Creuses du CESTA.

O. Beaumont, V. Boudet, F. Desprez, P. Ramet, J. Roman, C. Travers (2002). Modélisation de pipelines ht́'ógènes. GRID'2002.

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P. Hénon, P. Ramet, J. Roman (2002). Parallel factorization of very large sparse SPD systems on a network of SMP nodes. Proceedings of PMAA'2002.

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O. Coulaud, M. Dussère, P. Hénon, J. Roman (2002). Optimisation of a kinetic laser-plasma interaction code for massively parallel systems. Proceedings of PMAA'2002.

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P. Hénon, P. Ramet, J. Roman (2002). A Parallel Direct Solver for Very Large Sparse SPD Systems. SuperComputing'2002.

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P. Hénon, P. Ramet (2002). Optimisation de l'occupation mémoire pour un solveur parallèle creux direct hautes performances de type supernodal. ACTES RenPar'2002.

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P. Hénon, P. Ramet, J. Roman (2002). PaStiX: A High-Performance Parallel Direct Solver for Sparse Symmetric Definite Systems. Parallel Computing.

P. Hénon (2001). Distribution des Données et Rǵulation Statique des Calculs et des Communications pour la R'ólution de Grands Systèmes Lin'eŕes Creux par M'etd́e Directe.

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E. Caron, S. Chaumette, S. Contassot-Vivier, F. Desprez, E. Fleury, C. Gomez, M. Goursat, E. Jeannot, D. Lazure, F. Lombard, J. M. Nicod, L. Philippe, M. Quinson, P. Ramet, J. Roman, F. Rubi, S. Steer, F. Suter, G. Utard (2001). Scilab to Scilab//, the OURAGAN Project. Parallel Computing.

P. Hénon, P. Ramet (2001). PaStiX: Un solveur parallèle direct pour des matrices creuses symétriques df́inies positives bas'śur un ordonnancement statique performant et sur une gestion m'eíre efficace. ACTES RenPar'2001.

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P. Hénon, P. Ramet, J. Roman (2001). PaStiX: A Parallel Direct Solver for Sparse SPD Matrices based on Efficient Static Scheduling and Memory Managment. Tenth SIAM Conference on Parallel Processing for Scientific Computing.

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D. Goudin, P. Hénon, F. Pellegrini, P. Ramet, J. Roman (2001). Mise en oeuvre d'une Bibliothèque d'Outils pour la Résolution par Mt́hode Directe de Grands Systm̀es Lin'íres Creux Sym'eíques D'efís Positifs sur Machine Parall`è.

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P. Ramet, J. Roman (2001). Analyse et Etude de Faisabilité de la Rśolution par M'h́ode Directe sur Machine Parallèle de Grands Systm̀es Lin'eŕes Sym'etq́ues D'efiś positifs pour des Probl`ès d''Elecómagn'etismávec Couplage 'El'emt́s ńis -- 'EquationÍnt'egrales.

D. Goudin, P. Hénon, F. Pellegrini, P. Ramet, J. Roman, J-J. Pesque (2000). Algèbre Linéaire Creuse Hautes Performances : Application ̀la Ḿ̧anique des Structures. iHPerf'2000.

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D. Goudin (2000). Mise en øe uvre d'une Bibliothèque d'Outils pour la Résolution Paralll̀e Hautes Performances par Mt́hode Directe de Grands Syst`ès Lin'íres Creux et application `aǹ Code de M'eńique des Structures.

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D. Goudin, P. Hénon, F. Pellegrini, P. Ramet, J. Roman (2000). Résolution parallèle de grands systm̀es lináires creux. Proceedings of JSFT'2000.

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P. Hénon, P. Ramet, J. Roman (2000). PaStiX: A High-Performance Parallel Direct Solver for Sparse Symmetric Definite Systems. Proceedings of PMAA'2K.

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D. Goudin, P. Hénon, F. Pellegrini, P. Ramet, J. Roman, J.-J. Pesque (2000). Description of the EMILIO Software Processing Chain and Application to Structural Mechanics. Proceedings of PMAA'2K.

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P. Hénon, P. Ramet, J. Roman (2000). PaStiX: A Parallel Sparse Direct Solver Based on a Static Scheduling for Mixed 1D/2D Block Distributions. Proceedings of Irregular'2000 workshop of IPDPS.

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D. Goudin, P. Hénon, F. Pellegrini, P. Ramet, J. Roman, J.-J. Pesque (2000). Parallel Sparse Linear Algebra and Application to Structural Mechanics. European ACTC Workshop.

D. Goudin, P. Hénon, F. Pellegrini, P. Ramet, J. Roman, J.-J. Pesque (2000). Parallel Sparse Linear Algebra and Application to Structural Mechanics. Numerical Algorithms.

P. Ramet (2000). Optimisation de la Communication et de la Distribution des Données pour des Solveurs Parallèles Directs en Algb̀re Lináire Dense et Creuse.

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D. Goudin (2000). Mise en oeuvre d'une Bibliothèque d'Outils pour la Résolution par Mt́hode Directe de Grands Systm̀es Lin'íres Creux Sym'eíques D'efís Positifs sur Machine Parall`è.

D. Goudin (2000). Assemblage parallèle d'une matrice et/ou d'un second membre: Application ̀la Parallélisation d'un Code de Ḿ̧anique des Structures. ACTES RenPar'2000.

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D. Goudin, J. Roman (2000). A scalable parallel assembly for irregular meshes based on a block distribution for a parallel block direct solver. Proceedings of PARA'2000.

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P. Hénon, P. Ramet, J. Roman (1999). A Mapping and Scheduling Algorithm for Parallel Sparse Fan-In Numerical Factorization. Proceedings of Euro-Par'99.

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D. Goudin, P. Hénon, F. Pellegrini, P. Ramet, J. Roman, J.-J. Pesque (1999). Parallel Sparse Linear Algebra and Application to Structural Mechanics. SPWorld'99.

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D. Goudin (1999). Mise en oeuvre d'une Bibliothèque d'Outils pour la Résolution par Mt́hode Directe de Grands Systm̀es Lin'íres Creux Sym'eíques D'efís Positifs sur Machine Parall`è.

D. Goudin, P. Hénon, F. Pellegrini, P. Ramet, J. Roman, J.-J. Pesque (1999). Algèbre Linéaire Creuse Paralll̀e pour les Mt́hodes Directes : Application `l̀a Parall'ísation d'un Code de M'eńique des Structures. Journées sur l’Algèbre Lináire Creuse et ses Applications Industrielles.

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D. Goudin (1998). Mise en oeuvre d'une Bibliothèque d'Outils pour la Résolution par Mt́hode Directe de Grands Systm̀es Lin'íres Creux Sym'eíques D'efís Positifs sur Machine Parall`è.

P. R. Amestoy, F. Desprez, P. Ramet, J. Roman (1997). Optimisation des Communications et Régulation de Charge pour la Rśolution par M'h́ode Directe de Grands Systèmes Lin'eŕes Creux. ICaRE'97.

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P. Ramet (1997). Calcul de la suite optimale de taille de paquets pour la factorisation de Cholesky. ACTES RenPar'9.

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F. Desprez, P. Ramet, J. Roman (1996). Optimal Grain Size Computation for Pipelined Algorithms. Proceedings of Euro-Par'96.

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P. Ramet (1996). Calcul de la taille optimale des paquets pour les algorithmes macro-pipelines. ACTES RenPar'8.

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