LBM-HPC - An Open-Source Tool for Fluid Simulations. Case Study: Unified Parallel C (UPC-PGAS)

The main motivation of this work is the evaluation of the Unified Parallel C (UPC) model, for Boltzmann-fluid simulations. UPC is one of the current models in the so-called Partitioned Global Address Space paradigm. This paradigm attempts to increase the simplicity of codes and achieve a better effi...

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Bibliographic Details
Published in:Proceedings / IEEE International Conference on Cluster Computing pp. 318 - 321
Main Authors: Valero-Lara, Pedro, Jansson, Johan
Format: Conference Proceeding
Language:English
Published: IEEE 01.09.2015
Subjects:
Boundary conditions
CLUSTER
Computational modeling
Electronics packaging
Instruction sets
Lattice-Boltzmann Method
Mathematical model
Parallel Computing
Partitioned Global Address Space (PGAS)
Programming
Unified Parallel C (UPC)
ISSN:1552-5244
Online Access:Get full text
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Summary:The main motivation of this work is the evaluation of the Unified Parallel C (UPC) model, for Boltzmann-fluid simulations. UPC is one of the current models in the so-called Partitioned Global Address Space paradigm. This paradigm attempts to increase the simplicity of codes and achieve a better efficiency and scalability. Two different UPC-based implementations, explicit and implicit, are presented and evaluated. We compare the fundamental features of our UPC implementations with other parallel programming model, MPI-OpenMP. In particular each of the major steps of any LBM code, i.e., Boundary Conditions, Communication, and LBM solver, are analyzed.
ISSN:1552-5244
DOI:10.1109/CLUSTER.2015.52