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Our target in this work is to study ways of exploring the parallelism offered by vectorization on accelerators with very wide vector units. To this end, we implemented two kernels that derive from the Wilson Dslash operator and investigate several data layout techniques for increasing the scalability of lattice QCD scientific kernels suitable for the Intel Xeon Phi. In parts of the application where...
Our target in this work is to study ways of exploring the parallelism offered by vectorization on accelerators with very wide vector units. To this end, we implemented two kernels that derive from the Wilson Dslash operator and investigate several data layout techniques for increasing the scalability of lattice QCD scientific kernels suitable for the Intel Xeon Phi. In parts of the application where...
Exploiting the recently introduced very-wide vector units of the Xeon Phi coprocessor can potentially increase the scalability for scientific applications. Using lattice QCD compute kernels, the authors find that the performance achieved using the Xeon Phi coprocessors wide vector units is similar to GPGPU performance after appropriate code refactoring, requiring moderate programming effort.
The current trend in processor design is to increase the number of cores as to achieve a desired performance. While having a large number of cores on a chip seems to be feasible in terms of the hardware, the development of the software that is able to exploit that parallelism is one of the biggest challenges. In this paper we propose a Data-Flow based system that can be used to exploit the parallelism...
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