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Parallel Programming with OpenACC by Rob Farber

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Chapter 3

Profiling performance of hybrid applications with Score-P and Vampir

Guido Juckeland*; Robert Dietrich      * Department of Information Services and Computing, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, DEU, Germany Technische Universität Dresden, Dresden, Germany

Abstract

The purpose of this chapter is to familiarize the reader with the concept of evolutionary performance improvement and the tools involved when adding other parallelization paradigms to OpenACC applications. Such hybrid applications can suffer from a number of performance bottlenecks and a holistic picture of all activities during the application run can shed light on how to improve the overall performance.

At the end of this chapter the ...

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