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Hybrid MPI+OpenMP parallelization of an FFT-based 3D Poisson solver that can reach 100000 CPU cores

Autor
Gorobets, A.; Trias, F. X.; Borrell, R.; Soria, M.; Oliva, A.
Tipus d'activitat
Presentació treball a congrés
Nom de l'edició
23rd International Conference on Parallel Computational Fluid Dynamics
Any de l'edició
2011
Data de presentació
2011-05-07
Llibre d'actes
Parallel CFD 2011 : 23rd International Conference on Parallel Computational Fluid Dynamics
Pàgina inicial
1
Pàgina final
5
Repositori
http://hdl.handle.net/2117/15485 Obrir en finestra nova
URL
http://parcfd2011.bsc.es/sites/default/files/abstracts/id119-gorobets.pdf Obrir en finestra nova
Resum
This work is devoted to the development of efficient parallel algorithms for the direct numerical simulation (DNS) of incompressible flows on modern supercomputers. A Poisson solver for problems with one uniform periodic direction is presented here. It is extended with a two-level hybrid MPI+OpenMP parallelization. Advantages and implementation details for the additional OpenMP parallelization are presented and discussed. This upgrade has allowed to significantly extend the range of efficient sc...
Citació
Gorobets, A. [et al.]. Hybrid MPI+OpenMP parallelization of an FFT-based 3D Poisson solver that can reach 100000 CPU cores. A: International Conference on Parallel Computational Fluid Dynamics. "Parallel CFD 2011 : 23rd International Conference on Parallel Computational Fluid Dynamics". Barcelona: 2011, p. 1-5.
Grup de recerca
CTTC - Centre Tecnològic de la Transferència de Calor
TUAREG - Turbulence and Aerodynamics in Mechanical and Aerospace Engineering Research Group

Participants

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