The MPI Tool Interfaces: Past, Present, and Future—Capabilities and Prospects

Martin Schulz (), Marc-André Hermanns (), Michael Knobloch (), Kathryn Mohror (), Nathan T. Hjelm (), Bengisu Elis, Karlo Kraljic and Dai Yang ()
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Martin Schulz: Fakultät für Informatik, Technische Universität München
Marc-André Hermanns: Jülich Supercomputing Centre, Forschungszentrum Jülich GmbH
Michael Knobloch: Jülich Supercomputing Centre, Forschungszentrum Jülich GmbH
Kathryn Mohror: Lawrence Livermore Nat’l Lab, Center for Applied Scientific Computing
Nathan T. Hjelm: Los Alamos Nat’l Lab, HPC Division
Bengisu Elis: Fakultät für Informatik, Technische Universität München
Karlo Kraljic: Fakultät für Informatik, Technische Universität München
Dai Yang: Fakultät für Informatik, Technische Universität München

A chapter in Tools for High Performance Computing 2018 / 2019, 2021, pp 55-83 from Springer

Abstract: Abstract From the beginning, the MPI standard included a profiling interface that enabled performance tools to intercept MPI calls and record statistics of their use. This still forms the basis for a rich and portable tool environment, which is invaluable for users. The MPI forum has since then expanded its efforts in this area by adding more support for tools, in particular the MPI $$\_$$ _ T interface, and this has also sparked similar efforts in other standards, like OpenMP or OpenACC. In this paper we will highlight the current status of the available interfaces, discuss their gaps and show how the MPI Tools Working Group in the MPI Forum is working on new approaches to close these gaps.

Date: 2021
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DOI: 10.1007/978-3-030-66057-4_3

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