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Numerical Reproducibility in open TELEMAC: A Case Study within the Tomawac Library

Rafife Nheili 1 Philippe Langlois 1 Christophe Denis 2, 3
1 DALI - Digits, Architectures et Logiciels Informatiques
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, UPVD - Université de Perpignan Via Domitia
2 CMLA - Centre de Mathématiques et de Leurs Applications
3 EDF R&D - EDF R&D
Abstract : The lack of numerical reproducibility for parallel floating-point computations is a stringent problem for HPC numerical simula-tions. Reproducibility is indeed desirable for code verification, testing, debugging and even for certification authority agreement. We describe and analyse strategies towards numerically reproducible simulations with a well known open source software for computational fluid dynamics.
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Submitted on : Friday, January 9, 2015 - 2:24:36 PM
Last modification on : Thursday, April 15, 2021 - 3:31:38 AM
Long-term archiving on: : Friday, April 10, 2015 - 10:37:01 AM

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  • HAL Id : lirmm-01101715, version 1

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CNRS | DALI | UNIV-PERP | LIRMM | ENS-CACHAN | MIPS | UNIV-MONTPELLIER | EDF | ENS-PARIS-SACLAY

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Rafife Nheili, Philippe Langlois, Christophe Denis. Numerical Reproducibility in open TELEMAC: A Case Study within the Tomawac Library. HPCSET: High Performance Computing Simulation in Energy/Transport Domains, Jul 2015, Frankfurt, Germany. ⟨lirmm-01101715⟩

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