Computer Science – Mathematical Software
Scientific paper
2009-04-27
Computer Physics Communications 180(12), pp. 2534-2543, December 2009
Computer Science
Mathematical Software
19 pages, 7 figures
Scientific paper
10.1016/j.cpc.2009.04.018
We present HONEI, an open-source collection of libraries offering a hardware oriented approach to numerical calculations. HONEI abstracts the hardware, and applications written on top of HONEI can be executed on a wide range of computer architectures such as CPUs, GPUs and the Cell processor. We demonstrate the flexibility and performance of our approach with two test applications, a Finite Element multigrid solver for the Poisson problem and a robust and fast simulation of shallow water waves. By linking against HONEI's libraries, we achieve a twofold speedup over straight forward C++ code using HONEI's SSE backend, and additional 3-4 and 4-16 times faster execution on the Cell and a GPU. A second important aspect of our approach is that the full performance capabilities of the hardware under consideration can be exploited by adding optimised application-specific operations to the HONEI libraries. HONEI provides all necessary infrastructure for development and evaluation of such kernels, significantly simplifying their development.
Dyk Danny van
Geveler Markus
Goeddeke Dominik
Gutwenger Carsten
Mallach Sven
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