Abstract

In this paper, we present the results of numerical simulations of hydrodynamic turbulence with self-gravity, employing the latest Intel Xeon Phi accelerators with KNL architecture. A new vectorized numerical method with a high order of accuracy on a local stencil is described in details. We outline the main features of the program implementation of the method for massively parallel architectures and study the code parallel implementation. We achieved a performance of 173 gigaFLOPS and an acceleration factor of 48 using a single Intel Xeon Phi KNL. Using 16 accelerators, we were able to achieve a scalability of 97%.

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