Numerical modeling of gravitational wave sources accelerated by OpenCL

Details Numerical modeling of gravitational wave sources accelerated by OpenCL Numerical modeling of gravitational wave sources accelerated by OpenCL

2010-01-20

arxiv.org/abs/1001.3631v3

Comput.Phys.Commun.181:1605-1611,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, 4 figures, published in (Elsevier) Computer Physics Communications

Scientific paper

10.1016/j.cpc.2010.05.014

In this work, we make use of the OpenCL framework to accelerate an EMRI modeling application using the hardware accelerators -- Cell BE and Tesla CUDA GPU. We describe these compute technologies and our parallelization approach in detail, present our performance results, and then compare them with those from our previous implementations based on the native CUDA and Cell SDKs. The OpenCL framework allows us to execute identical source-code on both architectures and yet obtain strong performance gains that are comparable to what can be derived from the native SDKs.

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