BQCD with GPI: A case study

@article{Grnewald2012BQCDWG,
  title={BQCD with GPI: A case study},
  author={Daniel Gr{\"u}newald},
  journal={2012 International Conference on High Performance Computing & Simulation (HPCS)},
  year={2012},
  pages={388-394}
}
We compare the BQCD performance, a typical high performance computer application, using either the MPI or the Fraunhofer GPI communication library. In our analysis, we focus on the BQCD performance critical part covering 50 percent of the total program run-time. This is given by the computation of a four-dimensional nearest neighbor stencil operator in a domain decomposed simulation volume. Hence, BQCD is a typical representative for the broad class of stencil algorithms. In order to obtain… CONTINUE READING

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