Pre-exascale Architectures: OpenPOWER Performance and Usability Assessment for French Scientific Community
Gabriel Hautreux
,
Alfredo Buttari
,
Arnaud Beck
,
Victor Cameo
,
Dimitri Lecas
et al.
Conference papers
hal-02129651v1
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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
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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
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Parallel tiled QR factorization for multicore architectures
Alfredo Buttari
,
Julien Langou
,
Jakub Kurzak
,
Jack Dongarra
Journal articles
hal-02421078v1
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The PlayStation 3 for High-Performance Scientific Computing
Jakub Kurzak
,
Alfredo Buttari
,
Piotr Luszczek
,
Jack J. Dongarra
Journal articles
hal-02421063v1
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Using Mixed Precision for Sparse Matrix Computations to Enhance the Performance while Achieving 64-bit Accuracy
Alfredo Buttari
,
Jack J. Dongarra
,
Jakub Kurzak
,
Piotr Luszczek
,
Stanimir Tomov
et al.
Journal articles
hal-02421028v1
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Adversarial attacks via Sequential Quadratic Programming
Théo Beuzeville
,
Alfredo Buttari
,
Serge Gratton
,
Theo Mary
,
Erkan Ulker
et al.
2022
Preprints, Working Papers, ...
hal-03752184v1
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Accelerating scientific computations with mixed precision algorithms
Marc Baboulin
,
Alfredo Buttari
,
Jack J. Dongarra
,
Jakub Kurzak
,
Julie Langou
et al.
Journal articles
hal-02420940v1
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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
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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.
Journal articles
hal-01124774v1
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Fine-Grained Multithreading for the Multifrontal QR Factorization of Sparse Matrices
Alfredo Buttari
Journal articles
hal-01122471v1
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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
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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
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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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Solving Systems of Linear Equations on the CELL Processor Using Cholesky Factorization
Jakub Kurzak
,
Alfredo Buttari
,
Jack Dongarra
Journal articles
hal-02421046v1
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A Tridiagonalization Method for Symmetric and Quasi-Definite Saddle-Point Systems (CM 2018, Colorado, USA)
Alfredo Buttari
,
Dominique Orban
,
Daniel Ruiz
,
David Titley-Peloquin
15th Copper Mountain Conference On Iterative Methods (CM 2018) , Front Range Scientific Computations, Inc, Boulder, Colorado; University of Colorado, Sandia National Labs; Emory University; Society for Industrial and Applied Mathematics: SIAM Activity Group on Linear Algebra, Mar 2018, Copper Mountain, Colorado, United States
Conference papers
hal-03023422v1
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Adversarial attacks via backward error analysis
Théo Beuzeville
,
Pierre Boudier
,
Alfredo Buttari
,
Serge Gratton
,
Théo Mary
et al.
2021
Preprints, Working Papers, ...
hal-03296180v3
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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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Implementing multifrontal sparse solvers for multicore architectures with Sequential Task Flow runtime systems
Emmanuel Agullo
,
Alfredo Buttari
,
Abdou Guermouche
,
Florent Lopez
Journal articles
hal-01333645v1
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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
Reports
hal-01166312v2
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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.
Journal articles
hal-01334113v2
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Scalability of parallel sparse direct solvers: methods, memory and performance
Alfredo Buttari
Distributed, Parallel, and Cluster Computing [cs.DC]. Toulouse INP, 2018
Habilitation à diriger des recherches
tel-01913033v1
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A class of parallel tiled linear algebra algorithms for multicore architectures
Alfredo Buttari
,
Julien Langou
,
Jakub Kurzak
,
Jack J. Dongarra
Journal articles
hal-02420965v1
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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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Task-Based Parallel Programming for Scalable Algorithms: application to Matrix Multiplication
Emmanuel Agullo
,
Alfredo Buttari
,
Abdou Guermouche
,
Julien Herrmann
,
Antoine Jego
et al.
[Research Report] RR-9461, Inria Bordeaux - Sud-Ouest. 2022, pp.29
Reports
hal-03588491v2
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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
Journal articles
hal-01774642v3
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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
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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.
Journal articles
hal-01123557v1
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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.
Journal articles
hal-01237169v1
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A Novel Aggregation Method based on Graph Matching for Algebraic MultiGrid Preconditioning of Sparse Linear Systems
Pasqua d'Ambra
,
Alfredo Buttari
,
Daniela Di Serafino
,
Salvatore Filippone
,
Simone Gentile
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-00580434v1
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