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MPI Implementation Profiling for Better Application Performance

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arxiv 2402.12203 v1 pith:VQ7VOYLZ submitted 2024-02-19 cs.DC cs.PFcs.SE

Riley Shipley , Garrett Hooten , David Boehme , Derek Schafer , Anthony Skjellum , Olga Pearce This is my paper · ORCID
classification cs.DCcs.PFcs.SE
keywords profilingmethodsapplicationcommunicationimplementationperformanceabilityadds
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While application profiling has been a mainstay in the HPC community for years, profiling of MPI and other communication middleware has not received the same degree of exploration. This paper adds to the discussion of MPI profiling, contributing two general-purpose profiling methods as well as practical applications of these methods to an existing implementation. The ability to detect performance defects in MPI codes using these methods increases the potential of further research and development in communication optimization.

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