Accelerating a barotropic ocean model using a GPU

F. Bleichrodt; R.H. Bisseling; H.A. Dijkstra

doi:10.1016/j.ocemod.2011.10.001

Accelerating a barotropic ocean model using a GPU

F. Bleichrodt, R.H. Bisseling, H.A. Dijkstra

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Abstract

The two-dimensional barotropic vorticity equation is one of the basic equations of ocean dynamics. It is important to have efficient numerical solution techniques to solve this equation. In this paper, we present an implementation of a numerical solution using a Graphics Processing Unit (GPU). The speedup of the calculation on the GPU with respect to that on a CPU depends on the grid size, but reaches a factor of about 50 for resolutions from 2049 × 2049 up to 4097 × 4097. It may therefore be efficient to use green GPUs in future high-resolution ocean modelling studies.

Original language	English
Pages (from-to)	16-21
Number of pages	6
Journal	Ocean Modelling
Volume	41
DOIs	https://doi.org/10.1016/j.ocemod.2011.10.001
Publication status	Published - 2012

Keywords

Barotropic ocean model
Acceleration
GPU

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10.1016/j.ocemod.2011.10.001

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abstract = "The two-dimensional barotropic vorticity equation is one of the basic equations of ocean dynamics. It is important to have efficient numerical solution techniques to solve this equation. In this paper, we present an implementation of a numerical solution using a Graphics Processing Unit (GPU). The speedup of the calculation on the GPU with respect to that on a CPU depends on the grid size, but reaches a factor of about 50 for resolutions from 2049 × 2049 up to 4097 × 4097. It may therefore be efficient to use green GPUs in future high-resolution ocean modelling studies.",

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AU - Bisseling, R.H.

AU - Dijkstra, H.A.

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AB - The two-dimensional barotropic vorticity equation is one of the basic equations of ocean dynamics. It is important to have efficient numerical solution techniques to solve this equation. In this paper, we present an implementation of a numerical solution using a Graphics Processing Unit (GPU). The speedup of the calculation on the GPU with respect to that on a CPU depends on the grid size, but reaches a factor of about 50 for resolutions from 2049 × 2049 up to 4097 × 4097. It may therefore be efficient to use green GPUs in future high-resolution ocean modelling studies.

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KW - Acceleration

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DO - 10.1016/j.ocemod.2011.10.001

M3 - Article

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JO - Ocean Modelling

JF - Ocean Modelling

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Accelerating a barotropic ocean model using a GPU

Abstract

Keywords

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