Extending MPI to Accelerators

Jeff A. Stuart, Pavan Balaji, John D. Owens
University of California, Davis
First Workshop on Architectures and Systems for Big Data (ASBD), 2011


   author={Jeff A. Stuart and Pavan Balaji and John D. Owens},

   title={Extending {MPI} to Accelerators},

   booktitle={ASBD 2011: First Workshop on Architectures and Systems for Big Data},





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Current trends in computing and system architecture point towards a need for accelerators such as GPUs to have inherent communication capabilities. We review previous and current software libraries that provide pseudo-communication abilities through direct message passing. We show how these libraries are beneficial to the HPC community, but are not forward-thinking enough. We give motivation as to why MPI should be extended to support these accelerators, and provide a road map of achievable milestones to complete such an extension, some of which require advances in hardware and device drivers.
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