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astro-ph.IM2015★ 9 cited
Performance analysis of parallel gravitational -body codes on large GPU cluster
Siyi Huang, Rainer Spurzem, Peter Berczik
We compare the performance of two very different parallel gravitational -body codes for astrophysical simulations on large GPU clusters, both pioneer in their own fields as well…
astro-ph.IM2015★ 237 cited
NBODY6++GPU: Ready for the gravitational million-body problem
Long Wang, Rainer Spurzem, Sverre Aarseth +4
Accurate direct -body simulations help to obtain detailed information about the dynamical evolution of star clusters. They also enable comparisons with analytical models and Fok…
astro-ph.IM2013
Up to 700k GPU cores, Kepler, and the Exascale future for simulations of star clusters around black holes
P. Berczik, R. Spurzem, L. Wang +9
We present direct astrophysical N-body simulations with up to a few million bodies using our parallel MPI/CUDA code on large GPU clusters in China, Ukraine and Germany, with differ…