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Sophisticated Tools for Performance Analysis and Auto-Tuning of Performance Portable Parallel Programming

DescriptionHPC Software must offer tool support for productive programming of scientific applications run on supercomputers using this HPC Software, especially for the sophisticated activities of performance analysis and auto-tuning. Given the emergence of performance portable programming libraries having abstractions for parallelism, new tool support offered by the HPC Software for such sophisticated activities is needed to handle these library abstractions over multiple backends. Addressing this will allow for software sustainability of performance portable libraries. Considering Kokkos, a representative C++-based Performance Portable Library, we focus on (1) a community-driven tool connector subset of the Kokkos Tools offer capability for such sophisticated activities along with (2) an associated tool infrastructure which includes common interfaces and utilities to enable such sophisticated tools. Showcasing this part of Kokkos Tools shows it is capable, lightweight, easy to use, and a viable alternative of such tools supporting specific low-level programming models.

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