Scaling Hierarchical N-body Simulations on GPU Clusters

@article{Jetley2010ScalingHN,
  title={Scaling Hierarchical N-body Simulations on GPU Clusters},
  author={Pritish Jetley and Lukasz Wesolowski and Filippo Gioachin and Laxmikant V. Kal{\'e} and Thomas R. Quinn},
  journal={2010 ACM/IEEE International Conference for High Performance Computing, Networking, Storage and Analysis},
  year={2010},
  pages={1-11}
}
This paper focuses on the use of GPGPU-based clusters for hierarchical N-body simulations. Whereas the behavior of these hierarchical methods has been studied in the past on CPU-based architectures, we investigate key performance issues in the context of clusters of GPUs. These include kernel organization and efficiency, the balance between tree traversal and force computation work, grain size selection through the tuning of offloaded work request sizes, and the reduction of sequential… CONTINUE READING
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