Numerical Reproducibility: Feasibility Issues

Philippe Langlois; Rafife Nheili; Christophe Denis

doi:10.1109/NTMS.2015.7266509

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Numerical Reproducibility: Feasibility Issues

Acte de colloque

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Numerical Reproducibility: Feasibility Issues

Philippe Langlois, Rafife Nheili et Christophe Denis

7th IFIP International Conference on New Technologies, Mobility and Security, pp.1-5

NTMS: New Technologies, Mobility and Security (Paris, France, 27/07/2015–30/07/2015)

07/04/2015

DOI: https://doi.org/10.1109/NTMS.2015.7266509

Résumé

Numerical reproducibility

floating-point arithmetic

open Telemac-Mascaret

finite element simulation

Tomawac

Floating-point arithmetic may introduce failures of the numerical reproducibility between a priori similar sequential and parallel executions of HPC simulation. We present how to apply some existing techniques to part of hydrodynamic finite element simulations. We analyze how easy these techniques allow us to recover its numerical reproducibility.

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Détails

Titre: Numerical Reproducibility: Feasibility Issues
Créateurs - sans rôle: Philippe Langlois - Université de Montpellier
Rafife Nheili - Université de Perpignan
Christophe Denis - École Normale Supérieure Paris-Saclay
Contributeurs - sans rôle: Mohamad Badra
Azzedine Boukerche
Pascal Urien
Détails de publication: 7th IFIP International Conference on New Technologies, Mobility and Security, pp.1-5
Colloque: NTMS: New Technologies, Mobility and Security (Paris, France, 27/07/2015–30/07/2015)
Identifiants: 99153482309311
Unité académique: Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier - LIRMM
Langue: English
Type de ressource: Conference proceeding
Champs locaux: lirmm-01141852