Hybridizing S3D into an Exascale application using OpenACC: An approach for moving to multi-petaflops and beyond

@article{Levesque2012HybridizingSI,
  title={Hybridizing S3D into an Exascale application using OpenACC: An approach for moving to multi-petaflops and beyond},
  author={John M. Levesque and Ramanan Sankaran and Ray W. Grout},
  journal={2012 International Conference for High Performance Computing, Networking, Storage and Analysis},
  year={2012},
  pages={1-11}
}
Hybridization is the process of converting an application with a single level of parallelism to an application with multiple levels of parallelism. Over the past 15 years a majority of the applications that run on High Performance Computing systems have employed MPI for all of the parallelism within the application. In the Peta-Exascale computing regime, effective utilization of the hardware requires multiple levels of parallelism matched to the macro architecture of the system to achieve good… CONTINUE READING
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