Search - Archive ouverte HAL Access content directly

Filter your results

7 Results
authFullName_s : Matthieu Gerest

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

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
Image document

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

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
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
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