Abstract
This article presents computer-algebra based techniques for the automatic generation and maintenance of numerical codes based on finite difference approximations. The various generation phases — specification, discretization, implementation and translation — as well as their respective knowledge bases, are discussed and specific attention is given to data mappings in the implementation phase and to high-performance language extensions in the Fortran translation phase. The generation of Fortran source for the dynamics part of a limited area weather forecasting grid-point model is discussed and is illustrated by showing the production of a few variants of the surface-pressure tendency code using the present prototype. Finally, we indicate briefly how adjoints can be obtained using the present methodology.
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Goldman, V.V., Cats, G. (1996). Program generation techniques for the development and maintenance of numerical weather forecast Grid models. In: Dongarra, J., Madsen, K., Waśniewski, J. (eds) Applied Parallel Computing Computations in Physics, Chemistry and Engineering Science. PARA 1995. Lecture Notes in Computer Science, vol 1041. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-60902-4_30
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DOI: https://doi.org/10.1007/3-540-60902-4_30
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