Patrick Amestoy

Publication Activity (10 Years)

Years Active: 1989-2024
Publications (10 Years): 4

Top Topics

Iterative Refinement

Precision Recall

Convex Optimization

Top Venues

SIAM J. Sci. Comput.

SIAM J. Matrix Anal. Appl.

ACM Trans. Math. Softw.

Publications

Patrick Amestoy, Alfredo Buttari, Nicholas J. Higham, Jean-Yves L'Excellent, Théo Mary, Bastien Vieuble
Five-Precision GMRES-Based Iterative Refinement. SIAM J. Matrix Anal. Appl. 45 (1) (2024)
Patrick Amestoy, Olivier Boiteau, Alfredo Buttari, Matthieu Gerest, Fabienne Jézéquel, Jean-Yves L'Excellent, Théo Mary
Communication Avoiding Block Low-Rank Parallel Multifrontal Triangular Solve with Many Right-Hand Sides. SIAM J. Matrix Anal. Appl. 45 (1) (2024)
Patrick Amestoy, Alfredo Buttari, Nicholas J. Higham, Jean-Yves L'Excellent, Théo Mary, Bastien Vieuble
Combining Sparse Approximate Factorizations with Mixed-precision Iterative Refinement. ACM Trans. Math. Softw. 49 (1) (2023)
Patrick Amestoy, Alfredo Buttari, Jean-Yves L'Excellent, Théo Mary
On the Complexity of the Block Low-Rank Multifrontal Factorization. SIAM J. Sci. Comput. 39 (4) (2017)
Patrick Amestoy, Cleve Ashcraft, Olivier Boiteau, Alfredo Buttari, Jean-Yves L'Excellent, Clément Weisbecker
Improving Multifrontal Methods by Means of Block Low-Rank Representations. SIAM J. Sci. Comput. 37 (3) (2015)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent, François-Henry Rouet
. SIAM J. Sci. Comput. 37 (2) (2015)
Patrick Amestoy, Jean-Yves L'Excellent, François-Henry Rouet, Wissam M. Sid-Lakhdar
Modeling 1D Distributed-Memory Dense Kernels for an Asynchronous Multifrontal Sparse Solver. VECPAR (2014)
Laurent Bouchet, Patrick Amestoy, Alfredo Buttari, François-Henry Rouet, Maxime Chauvin
datasets: Optimizing the computation of the solution and its variance using sparse matrix algorithms. Astron. Comput. 1 (2013)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent, Yves Robert, François-Henry Rouet, Bora Uçar
On Computing Inverse Entries of a Sparse Matrix in an Out-of-Core Environment. SIAM J. Sci. Comput. 34 (4) (2012)
Patrick Amestoy, Daniela di Serafino, Rob H. Bisseling, Enrique S. Quintana-Ortí, Marián Vajtersic
Parallel Numerical Algorithms. Euro-Par (2) (2010)
Patrick Amestoy, Iain S. Duff, Abdou Guermouche, Tzvetomila Slavova
Analysis of the solution phase of a parallel multifrontal approach. Parallel Comput. 36 (1) (2010)
Peter Arbenz, Martin B. van Gijzen, Patrick Amestoy, Pasqua D'Ambra
Introduction. Euro-Par (2009)
Florent Sourbier, Stéphane Operto, Jean Virieux, Patrick Amestoy, Jean-Yves L'Excellent
FWT2D: A massively parallel program for frequency-domain full-waveform tomography of wide-aperture seismic data - Part 1: Algorithm. Comput. Geosci. 35 (3) (2009)
Florent Sourbier, Stéphane Operto, Jean Virieux, Patrick Amestoy, Jean-Yves L'Excellent
FWT2D: A massively parallel program for frequency-domain full-waveform tomography of wide-aperture seismic data - Part 2: Numerical examples and scalability analysis. Comput. Geosci. 35 (3) (2009)
Patrick Amestoy, Iain S. Duff, Daniel Ruiz, Bora Uçar
A Parallel Matrix Scaling Algorithm. VECPAR (2008)
Patrick Amestoy, Xiaoye S. Li, Stéphane Pralet
Unsymmetric Ordering Using A Constrained Markowitz Scheme. SIAM J. Matrix Anal. Appl. 29 (1) (2006)
Patrick Amestoy, Abdou Guermouche, Jean-Yves L'Excellent, Stéphane Pralet
Hybrid scheduling for the parallel solution of linear systems. Parallel Comput. 32 (2) (2006)
Patrick Amestoy, Michel J. Daydé, Christophe Hamerling, Marc Pantel, Chiara Puglisi
Management of Services Based on a Semantic Description Within the GRID-TLSE Project. VECPAR (2006)
Patrick Amestoy, Xiaoye S. Li, Esmond G. Ng
Diagonal Markowitz Scheme with Local Symmetrization. SIAM J. Matrix Anal. Appl. 29 (1) (2006)
Patrick Amestoy, Enseeiht-Irit, Timothy A. Davis, Iain S. Duff
Algorithm 837: AMD, an approximate minimum degree ordering algorithm. ACM Trans. Math. Softw. 30 (3) (2004)
Patrick Amestoy, Iain S. Duff, Christof Vömel
Task Scheduling in an Asynchronous Distributed Memory Multifrontal Solver. SIAM J. Matrix Anal. Appl. 26 (2) (2004)
Patrick Amestoy, Iain S. Duff, Stéphane Pralet, Christof Vömel
Adapting a parallel sparse direct solver to architectures with clusters of SMPs. Parallel Comput. 29 (11-12) (2003)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent, Xiaoye S. Li
Impact of the implementation of MPI point-to-point communications on the performance of two general sparse solvers. Parallel Comput. 29 (7) (2003)
Patrick Amestoy, Chiara Puglisi
An Unsymmetrized Multifrontal LU Factorization. SIAM J. Matrix Anal. Appl. 24 (2) (2002)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent, Jacko Koster
A Fully Asynchronous Multifrontal Solver Using Distributed Dynamic Scheduling. SIAM J. Matrix Anal. Appl. 23 (1) (2001)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent, Xiaoye S. Li
Performance and tuning of two distributed memory sparse solvers. PPSC (2001)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent, Xiaoye S. Li
Analysis and comparison of two general sparse solvers for distributed memory computers. ACM Trans. Math. Softw. 27 (4) (2001)
Patrick Amestoy, Xiaoye S. Li, Chiara Puglisi
Collection offers overview of research on structured matrices [Book Review]. IEEE Concurr. 8 (4) (2000)
François Pellegrini, Jean Roman, Patrick Amestoy
Hybridizing Nested Dissection and Halo Approximate Minimum Degree for Efficient Sparse Matrix Ordering. Concurr. Pract. Exp. 12 (2-3) (2000)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent, Jacko Koster
MUMPS : A General Purpose Distributed Memory Sparse Solver. PARA (2000)
François Pellegrini, Jean Roman, Patrick Amestoy
Hybridizing Nested Dissection and Halo Approximate Minimum Degree for Efficient Sparse Matrix Ordering. IPPS/SPDP Workshops (1999)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent
The PARASOL Project and the Multifrontal Parallel Solver for Sparse Systems. PPSC (1999)
Patrick Amestoy, Iain S. Duff, Jean-Yves L'Excellent
Multifrontal Solvers Within the PARASOL Environment. PARA (1998)
Patrick Amestoy, Iain S. Duff, Chiara Puglisi
Multifrontal QR Factorization in a Multiprocessor Environment. Numer. Linear Algebra Appl. 3 (4) (1996)
Patrick Amestoy, Iain S. Duff, Michel J. Daydé, Pierre Morère
Linear Algebra calculations on a Virtual Shared Memory Computer. Int. J. High Speed Comput. 7 (1) (1995)
Patrick Amestoy, Iain S. Duff
Memory Management Issues in Sparse Multifrontal Methods On Multiprocessors. Int. J. High Perform. Comput. Appl. 7 (1) (1993)
Patrick Amestoy, Michel J. Daydé, Iain S. Duff, Pierre Morère
Linear Algebra Calculations on the BBN TC2000. CONPAR (1992)
Patrick Amestoy, Ralf Tilch
Solving the compressible Navier-Stokes equations with finite elements using a multifrontal method. IMPACT Comput. Sci. Eng. 1 (1) (1989)
Patrick Amestoy, Iain S. Duff
Vectorization of a Multiprocessor Multifrontal Code. Int. J. High Perform. Comput. Appl. 3 (3) (1989)