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Stencil computations, which are important kernels for CFD simulations, have been highly successful on GPGPU clusters, due to high memory bandwidth and computation speed of GPU accelerators. However, sizes of the computed domains are limited by small capacity of GPU device memory. In order to support larger domain sizes, we utilize the memory hierarchy of GPGPU clusters; larger host memory is used...
The Message Passing Interface (MPI) provides bindings for the three programming languages commonly used in High Performance Computing (HPC): C, C++ and Fortran. Unfortunately, MPI supports only the lowest common denominator of the three languages, providing a level of abstraction far lower than typical C++ libraries. Lately, after the decision of the MPI committee to deprecate and remove the C++ bindings...
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