Simulation of surface fire fronts using fireLib and GPUs

Authors:
F. A. Sousa;R. J. N. Dos Reis;J. C. F. Pereira
Affiliations:
Instituto Superior Técnico, Technical University of Lisbon, Mech. Eng. Dept., Lasef, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal;Instituto Superior Técnico, Technical University of Lisbon, Mech. Eng. Dept., Lasef, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal;Instituto Superior Técnico, Technical University of Lisbon, Mech. Eng. Dept., Lasef, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
Venue:
Environmental Modelling & Software
Year:
2012

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Abstract

This paper reports the porting of raster type fire propagation models to graphical processing unit (GPU) architectures. Two known fire growth model algorithms were ported and a new one developed. All models are based in cellular automata, programmed in the CUDA framework developed by NVIDIA and their results compared against serial execution. The novel algorithm targeted for GPU architectures achieved a speedup (SP) of over 200x against serial CPU execution. These results allow ultra faster-than-real-time capabilities that may prove useful toward fire fighting methodologies.