Fifth Workshop on Accelerator Programming Using Directives (WACCPD)

A Case Study for Performance Portability Using OpenMP 4.5

Abstract: In recent years, the HPC landscape has shifted away from traditional CPU based systems to energy efficient architectures, relying on many-core CPUs or accelerators to achieve high performance. The goal of performance portability is to enable developers to rapidly produce applications which run efficiently on a variety of these architectures and require little to no architecture specific code adoptions. Directive based programming models (OpenMP and OpenACC) are attractive in this regard as they do not require a major code restructuring and they support incremental portability.

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