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FAMOUS, faster: using parallel computing techniques to accelerate the FAMOUS/HadCM3 climate model with a focus on the radiative transfer algorithm

AutorHanappe, Peter; Steels, Luc
Fecha de publicación2011
EditorEuropean Geosciences Union
CitaciónGeoscientific Model Development 4(3): 835-844 (2011)
ResumenWe have optimised the atmospheric radiation algorithm of the FAMOUS climate model on several hardware platforms. The optimisation involved translating the Fortran code to C and restructuring the algorithm around the computation of a single air column. Instead of the existing MPI-based domain decomposition, we used a task queue and a thread pool to schedule the computation of individual columns on the available processors. Finally, four air columns are packed together in a single data structure and computed simultaneously using Single Instruction Multiple Data operations.
DescripciónThis work is distributed under the Creative Commons Attribution 3.0 License.-- et al.
Versión del editorhttp://dx.doi.org/10.5194/gmd-4-835-2011
URIhttp://hdl.handle.net/10261/127867
DOI10.5194/gmd-4-835-2011
ISSN1991-959X
E-ISSN1991-9603
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