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authFullName_s : Olivier Boiteau

Testing and comparing the Augmented Block Cimmino Distributed solver on some class of applications

Olivier Boiteau , Iain Duff , Robin Greffeuille , Ronan Guivarch , Daniel Ruiz et al.
13th US National Congress on Computational Mechanicsto (US-NCCM 2015), USACM : United States Association for Computational Mechanics; University of California, San Diego, Jul 2015, San Diego, United States
Conference papers hal-03213966v1

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

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
Image document

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
Image document

Block low-rank compression in mixed precision for the solution of sparse linear systems

Matthieu Gerest , Patrick Amestoy , Olivier Boiteau , Alfredo Buttari , Fabienne Jézéquel et al.
Sparse Days conference 2022, Jun 2022, Saint-Girons, France.
Conference poster hal-03780548v1

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

Improving Multifrontal Methods by Means of Block Low-Rank Representations

Patrick Amestoy , Cleve Ashcraft , Olivier Boiteau , Alfredo Buttari , Jean-Yves L'Excellent et al.
SIAM Journal on Scientific Computing, 2015, 37 (3), pp.A1451-A1474. ⟨10.1137/120903476⟩
Journal articles hal-01237169v1
Image document

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
Image document

Mixed Precision Low Rank Approximations and their Application to Block Low Rank LU Factorization

Patrick Amestoy , Olivier Boiteau , Alfredo Buttari , Matthieu Gerest , Fabienne Jézéquel et al.
IMA Journal of Numerical Analysis, 2022, ⟨10.1093/imanum/drac037⟩
Journal articles hal-03251738v3

Solving linear systems efficiently using block low-rank compression in mixed precision

Patrick Amestoy , Olivier Boiteau , Alfredo Buttari , Matthieu Gerest , Fabienne Jézéquel et al.
45ème Congrès National d'Analyse Numérique (CANUM 2022), Jun 2022, Évian-les-Bains, France
Conference papers hal-03922287v1

Improving Multifrontal methods by means of Low-Rank Approximations techniques

Patrick Amestoy , Cleve Ashcraft , Olivier Boiteau , Alfredo Buttari , Jean-Yves L'Excellent et al.
SIAM Conference on Applied Linear Algebra 2012, Jun 2012, Valencia, Spain. pp.A1451-A1474, ⟨10.1137/120903476⟩
Conference papers hal-00789684v1

3D frequency-domain seismic modeling with a Block Low-Rank algebraic multifrontal direct solver

Clément Weisbecker , Patrick Amestoy , Olivier Boiteau , Romain Brossier , Alfredo Buttari et al.
Society of Exploration Geophysicists annual meeting (SEG 2013), Society of Exploration Geophysicists, 2013, Houston, Texas, United States. ⟨10.1190/segam2013-0603.1⟩
Conference papers hal-00924638v1