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authFullName_s : Patrick Amestoy

Solving linear systems efficiently using mixed-precision Block Low-Rank compression

Patrick Amestoy , Olivier Boiteau , Alfredo Buttari , Matthieu Gerest , Fabienne Jézéquel et al.
Rencontres Arithmétique de l'informatique Mathématique (RAIM 2021), GdR GdR IM : Informatique Mathématique, May 2021, Paris, France
Conference papers hal-03783037v1
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On exploiting sparsity of multiple right-hand sides in sparse direct solvers

Patrick Amestoy , Jean-Yves L'Excellent , Gilles Moreau
SIAM Journal on Scientific Computing, 2019, 41 (1), pp.A269-A291. ⟨10.1137/17M1151882⟩
Journal articles hal-01955659v1

MUltifrontal Massively Parallel Solver (MUMPS Version 4.3) Users' guide

Patrick Amestoy , Iain S. Duff , Jacko Koster , Jean-Yves L'Excellent
[Research Report] 2003
Reports hal-00807386v1

Hybrid scheduling for the parallel solution of linear systems

Jean-Yves L'Excellent , Patrick Amestoy , Stéphane Pralet , Abdou Guermouche
Parallel Computing, 2006, 32 (2), pp.136-156. ⟨10.1016/j.parco.2005.07.004⟩
Journal articles hal-00358623v1

Shared memory parallelism and low-rank approximation techniques applied to direct solvers in FEM simulation (regular paper)

Patrick Amestoy , Olivier Boiteau , Alfredo Buttari , Guillaume Joslin , Jean-Yves L'Excellent et al.
19th IEEE International Conference on the Computation of Electromagnetic Fields (COMPUMAG 2013), International Compumag Society (ICS) Technical Co-Sponsorship - IEEE Magnetics Society, Jun 2013, Budapest, Hungary. ⟨10.1109/TMAG.2013.2284024⟩
Conference papers hal-00924660v1

Parallel Computation of entries of A-1

Patrick Amestoy , Iain S. Duff , Jean-Yves L'Excellent , François-Henry Rouet , Bora Uçar et al.
M. Beckers; J. Lotz; V. Mosenkis; U. Naumann. Abstracts of the 5th SIAM Workshop on Combinatorial Scientific Computing, SIAM: Society for Industrial and Applied Mathematics, pp.55--58, 2011, Technical Report
Book sections hal-00945082v1
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Impact of the Implementation of MPI Point-to-Point Communications on the Performance of Two General Sparse Solvers

Patrick Amestoy , Iain S. Duff , Jean-Yves L'Excellent , Xiaoye S. Li
[Research Report] INRIA RR-4372, INRIA. 2002, pp.1-19
Reports inria-00072216v1
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Grouping variables in Frontal Matrices to improve Low-Rank Approximations in a Multifrontal Solver

Clement Weisbecker , Patrick Amestoy , Cleve Ashcraft , Olivier Boiteau , Alfredo Buttari et al.
International Conference On Preconditioning Techniques For Scientific And Industrial Applications (PRECONDITIONING 2011), INRIA Bordeaux Sud-Ouest; ENSEIRB; University of Bordeaux 1, May 2011, Bordeaux, France
Conference papers inria-00581561v1

Characterizing asynchronous broadcast trees for multifrontal factorizations (SIAM - CSC 2014)

Patrick Amestoy , Jean-Yves L'Excellent , Mohamed Sid-Lakhdar
6th SIAM Workshop on Combinatorial Scientific Computing (CSC 2014), SIAM: Society for Industrial and Applied Mathematics; LIP : Laboratoire de l'Informatique du Parallélisme (CNRS, ENS Lyon, INRIA, Université Claude Bernard Lyon 1), Jul 2014, Lyon, France
Conference papers hal-03230703v1

Mixed precision sparse direct solver applied to 3D wave propagation

Patrick Amestoy , Alfredo Buttari , Florian Faucher , Jean-Yves L'Excellent , Matthieu Gerest et al.
8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2022), Jun 2022, Oslo, Norway
Conference papers hal-03887660v1
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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⟩
Journal articles hal-01334113v2
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Efficient use of sparsity by direct solvers applied to 3D controlled-source EM problems

Patrick Amestoy , Sebastien de La Kethulle de Ryhove , Jean-Yves L'Excellent , Gilles Moreau , Daniil V. Shantsev et al.
[Research Report] RR-9220, Inria Grenoble Rhône-Alpes; LIP - ENS Lyon. 2018, pp.26
Reports hal-01912713v1
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Does 3D frequency-domain FWI of full-azimuth/long-offset OBN data feasible? The Gorgon case study

S. Operto , Patrick Amestoy , Hossein Aghamiry , Stephen Beller , Alfredo Buttari et al.
2023
Preprints, Working Papers, ... hal-03922986v1

Hybrid scheduling strategies for the parallel multifrontal method

Patrick Amestoy , Abdou Guermouche , Jean-Yves L'Excellent , Stéphane Pralet
3rd International Workshop on Parallel Matrix Algorithms and Applications (PMAA'04), Marseille, France, 2004, Unknown
Conference papers hal-00807290v1

Towards a parallel analysis phase for a multifrontal sparse solver

Patrick Amestoy , Alfredo Buttari , Jean-Yves L'Excellent
5th International Workshop on Parallel Matrix Algorithms and Applications (PMAA 2008), Jun 2008, Neuchâtel, Switzerland
Conference papers hal-00803488v1

Multifrontal solvers within the PARASOL environment

Patrick Amestoy , Iain S. Duff , Jean-Yves L'Excellent
Applied Parallel Computing, PARA'98, 1998, Berlin, pp.7--11
Conference papers hal-00856857v1

PARASOL: An Integrated Programming environment for Parallel Sparse Matrix Solvers

Patrick Amestoy , Iain S. Duff , Jean-Yves L'Excellent , Peter Plecháč
PINEAPL Workshop, A Workshop on the Use of Parallel Numerical Libraries in Industrial End-user Applications, 1998, CERFACS, Toulouse, France
Conference papers hal-00856861v1

PARASOL. An Integrated Programming Environment for Parallel Sparse Matrix Solvers

Patrick Amestoy , Iain S. Duff , Jean-Yves L'Excellent , Peter Plecháč
High-Performance Computing, 1999, New York, pp.79--90
Conference papers hal-00856664v1

Out-of-core solution for singleton right hand-side vectors

Patrick Amestoy , Iain S. Duff , Tzvetomila Slavova , Bora Uçar
Dagstuhl Seminar on Combinatorial Scientific Computing, Feb 2009, Saarbrucken, Germany
Conference papers hal-00786566v1
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INTEGRAL/SPI data segmentation to retrieve sources intensity variations

Laurent Bouchet , Patrick Amestoy , Alfredo Buttari , François-Henry Rouet , Maxime Chauvin et al.
Astronomy and Astrophysics - A&A, 2013, vol. 555 (n° A55), pp. 1-22. ⟨10.1051/0004-6361/201219605⟩
Journal articles hal-01124774v1

Modeling 1D distributed-memory dense kernels for an asynchronous multifrontal sparse solver

Patrick Amestoy , Jean-Yves L'Excellent , François-Henry Rouet , Wissam M. Sid-Lakhdar
High Performance Computing for Computational Science, {VECPAR} 2014 - 11th International Conference, Revised Selected Papers, Jun 2014, Eugene, Oregon, United States. pp.156-169
Conference papers hal-01355356v1

Reducing communications and memory costs of parallel Block Low-Rank solvers

Patrick Amestoy , Olivier Boiteau , Alfredo Buttari , Matthieu Gerest , Fabienne Jézéquel et al.
SIAM Conference on Computational Science and Engineering (CSE 2023), Feb 2023, Amsterdam, Netherlands
Conference papers hal-03922334v1
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Bridging the gap between flat and hierarchical low-rank matrix formats: the multilevel BLR format

Patrick Amestoy , Alfredo Buttari , Jean-Yves L'Excellent , Théo Mary
SIAM Journal on Scientific Computing, 2019, 41 (3), pp.A1414-A1442. ⟨10.1137/18M1182760⟩
Journal articles hal-01774642v3

Direct solvers in the PARASOL Project

Patrick Amestoy , Iain S. Duff , Jean-Yves L'Excellent , Peter Plecháč
11th International Conference on Domain Decomposition, 1998, Greenwich, UK
Conference papers hal-00856860v1

A distributed memory multifrontal solver

Patrick Amestoy , Iain S. Duff , Jean-Yves L'Excellent
PARASOL Workshop on Sparse matrix solution on distributed architectures, 1997, CERFACS, Toulouse, France
Conference papers hal-00856897v1
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Improving multifrontal methods by means of block low-rank representations

Patrick Amestoy , Cleve Ashcraft , Olivier Boiteau , Alfredo Buttari , Jean-Yves L'Excellent et al.
[Research Report] INRIA RR-8199, INRIA. 2013
Reports hal-00776859v1

Multifrontal parallel distributed symmetric and unsymmetric solvers

Patrick Amestoy , Iain S. Duff , Jean-Yves L'Excellent
Computer Methods in Applied Mechanics and Engineering, 2000, 184, pp.501--520
Journal articles hal-00856651v1

Parallel Algorithms for Structured Systems of Linear Equations

Patrick Amestoy , Michel Daydé , Iain S. Duff , Jean-Yves L'Excellent , Nicholas I. M. Gould et al.
Proceedings of the 14th IMACS World Congress on Computational and Applied Mathematics, 1994, Atlanta, pp.1058--1061
Conference papers hal-00857089v1

Optimisation des Communications et Régulation de Charge pour la Résolution par Méthode Directe de Grands Systèmes Linéaires Creux

Patrick Amestoy , Frédéric Desprez , Pierre Ramet , Jean Roman
ICaRE'97, 1997, Aussois, France. pp.467-488
Conference papers inria-00346472v1
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Shared memory parallelism and low-rank approximation techniques applied to direct solvers in FEM simulation

Patrick Amestoy , Alfredo Buttari , Guillaume Joslin , Jean-Yves L'Excellent , Mohamed Sid-Lakhdar et al.
IEEE Transactions on Magnetics, 2014, vol. 50 (n° 2), pp. 1-4. ⟨10.1109/TMAG.2013.2284024⟩
Journal articles hal-01123557v1