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2017 GTC San Jose

S7166 - Implementing High-Resolution Fluid Dynamics Solver in a Performance Portable Way

Session Speakers
Session Description

We'll report on the use of the kokkos C++ library for designing new performance portable implementations of the algorithms used in astrophysics computational fluid dynamics applications. Among others libraries with similar features, kokkos, which is developed at Sandia National Laboratory, provides a very promising way of designing high-performance computing parallel applications with performance portability across multiple hardware architectures, code readability, and high productivity in mind. Many scientific domains use community codes developed by tens of developers, and such high-level language approach will help them use today's GPU and next generations productively. We'll illustrate several advantages of our new kokkos-based implementation of the computational intensive compressible magneto-hydrodynamics kernels involved in code RamsesGPU, and demonstrate its efficiency on a multi GPU platform (NVIDIA Pascal P100).


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Talk
Computational Fluid Dynamics Computer Aided Engineering HPC and Supercomputing
25 minutes
Session Schedule