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Comparison of Different Parallel Implementations of the 2+1-Dimensional KPZ Model and the 3-Dimensional KMC Model

We show that efficient simulations of the Kardar-Parisi-Zhang interface growth in 2 + 1 dimensions and of the 3-dimensional Kinetic Monte Carlo of thermally activated diffusion can be realized both on GPUs and modern CPUs. In this article we present results of different implementations on GPUs using CUDA and OpenCL and also on CPUs using OpenCL and MPI. We investigate the runtime and scaling behavior on different architectures to find optimal solutions for solving current simulation problems in the field of statistical physics and materials science.

preprint2012arXivOpen access
Jeffrey KellingGéza ÓdorMáté Ferenc NagyHenrik SchulzKarl-Heinz Heinig
cond-mat.stat-mechcond-mat.mtrl-sciphysics.comp-phnlin.CGDistributed, Parallel, and Cluster Computing
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Jeffrey KellingGéza ÓdorMáté Ferenc NagyHenrik SchulzKarl-Heinz Heinig

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