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Performance Application Programming Interface (PAPI) provides the tool designer and application engineer with a consistent interface and methodology for use of the performance counter hardware found in most major microprocessors. PAPI enables software engineers to see, in near real time, the relation between software performance and processor events.
In addition, PAPI provides access to a collection of components that expose performance measurement opportunities across the hardware and software stack.
PAPI MPI Documentation: https://bitbucket.org/icl/papi/wiki/PAPI-Parallel-Programs.md
PAPI is built with a number of components. If a required component is not installed please contact ARCC and request what you need.
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The papi library can be used to develop serial, multithreaded, and multinode applications. Please refer to the PAPI MPI documentation for more information about using this functionality.
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