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Published July 30, 2013 | Version v1
Working paper Open

Evaluation of Multi-threaded OpenFOAM Hybridization for Massively Parallel Architectures

Creators

  • 1. CINECA-bSCAI Department, Via R. Sanzio 4, Segrate (MI) 20090, Italy

Contributors

  • 1. HLRS, Nobelstr. 19, D-70569 Stuttgart, Germany

Description

The performance results from the hybridization of the OpenFOAM linear system solver, tested on the CINECA Fermi and the
HLRS Hermit supercomputers are presented in this paper. A comparison between the original and the hybrid OpenFOAM
versions on four physical problems, based on four different solvers, will be shown and a detailed analysis of the behavior of the
main computing and communication phases, which are responsible for scalability during the linear system solution, will be given.

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Additional details

Funding

PRACE-2IP – PRACE - Second Implementation Phase Project 283493
European Commission