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Sapporo2: A versatile direct -body library
Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart
Astrophysical direct -body methods have been one of the first production algorithms to be implemented using NVIDIA's CUDA architecture. Now, almost seven years later, the GPU is…
Bonsai: A GPU Tree-Code
Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart
We present a gravitational hierarchical N-body code that is designed to run efficiently on Graphics Processing Units (GPUs). All parts of the algorithm are executed on the GPU whic…
How well do STARLAB and NBODY compare? II: Hardware and accuracy
P. Anders, H. Baumgardt, E. Gaburov +1
Most recent progress in understanding the dynamical evolution of star clusters relies on direct N-body simulations. Owing to the computational demands, and the desire to model more…
A sparse octree gravitational N-body code that runs entirely on the GPU processor
Jeroen Bédorf, Evghenii Gaburov, Simon Portegies Zwart
We present parallel algorithms for constructing and traversing sparse octrees on graphics processing units (GPUs). The algorithms are based on parallel-scan and sort methods. To te…
Astrophysical Weighted Particle Magnetohydrodynamics
Evghenii Gaburov, Keigo Nitadori
This paper presents applications of weighted meshless scheme for conservation laws to the Euler equations and the equations of ideal magnetohydrodynamics. The divergence constraint…
Gravitational tree-code on graphics processing units: implementation in CUDA
Evghenii Gaburov, Jeroen Bédorf, Simon Portegies Zwart
We present a new very fast tree-code which runs on massively parallel Graphical Processing Units (GPU) with NVIDIA CUDA architecture. The tree-construction and calculation of multi…
SAPPORO: A way to turn your graphics cards into a GRAPE-6
Evghenii Gaburov, Stefan Harfst, Simon Portegies Zwart
We present Sapporo, a library for performing high-precision gravitational N-body simulations on NVIDIA Graphical Processing Units (GPUs). Our library mimics the GRAPE-6 library, an…