MPI Alltoall Personalized Exchange on GPGPU Clusters: Design Alternatives and Benefit

@article{Singh2011MPIAP,
  title={MPI Alltoall Personalized Exchange on GPGPU Clusters: Design Alternatives and Benefit},
  author={Ashish Kumar Singh and Sreeram Potluri and Hao Wang and Krishna Chaitanya Kandalla and Sayantan Sur and Dhabaleswar K. Panda},
  journal={2011 IEEE International Conference on Cluster Computing},
  year={2011},
  pages={420-427}
}
General Purpose Graphics Processing Units (GPGPUs) are rapidly becoming an integral part of high performance system architectures. The Tianhe-1A and Tsubame systems received significant attention for their architectures that leverage GPGPUs. Increasingly many scientific applications that were originally written for CPUs using MPI for parallelism are being ported to these hybrid CPU-GPU clusters. In the traditional sense, CPUs perform computation while the MPI library takes care of communication… CONTINUE READING
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