Towards Exascale Lattice Boltzmann computing
Copyright policy )Towards Exascale Lattice Boltzmann computing
We discuss the state of art of Lattice Boltzmann (LB) computing, with special focus on prospective LB schemes capable of meeting the forthcoming Exascale challenge. After reviewing the basic notions of LB computing, we discuss current techniques to improve the performance of LB codes on parallel machines and illustrate selected leading-edge applications in the Petascale range. Finally, we put forward a few ideas on how to improve the communication/computation overlap in current large-scale LB simulations, as well as possible strategies towards fault-tolerant LB schemes.
39 pages, 7 figures
- National Research Council Italy
- Cineca Italy
- Istituto per le Applicazioni del Calcolo Mauro Picone Italy
- National Research Council Sri Lanka
- Sapienza University of Rome Italy
Settore ING-IND/09 - SISTEMI PER L'ENERGIA E L'AMBIENTE, Numerical algorithms for specific classes of architectures, Fluid Dynamics (physics.flu-dyn), Particle methods and lattice-gas methods, FOS: Physical sciences, computational fluid dynamics, Probabilistic methods, particle methods, etc. for initial value and initial-boundary value problems involving PDEs, Physics - Fluid Dynamics, Computational Physics (physics.comp-ph), Physics - Computational Physics
Settore ING-IND/09 - SISTEMI PER L'ENERGIA E L'AMBIENTE, Numerical algorithms for specific classes of architectures, Fluid Dynamics (physics.flu-dyn), Particle methods and lattice-gas methods, FOS: Physical sciences, computational fluid dynamics, Probabilistic methods, particle methods, etc. for initial value and initial-boundary value problems involving PDEs, Physics - Fluid Dynamics, Computational Physics (physics.comp-ph), Physics - Computational Physics
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