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Automatic Profiling of MPI Applications with Hardware Performance Counters

  • Rolf Rabenseifner
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1697)

Abstract

This paper presents an automatic counter instrumentation and profiling module added to the MPI library on Cray T3E and SGI Origin2000 systems. A detailed summary of the hardware performance counters and the MPI calls of any MPI production program is gathered during execution and written in MPI_Finalize on a special syslog file. The user can get the same information in a different file. Statistical summaries are computed weekly and monthly. The paper describes experiences with this library on the Cray T3E systems at HLRS Stuttgart and TU Dresden. It focuses on the problems integrating the hardware performance counters into MPI counter profiling and presents first results with these counters. Also, a second software design is described that allows the integration of the profiling layer into a dynamic shared object MPI library without consuming the user’s PMPI profiling interface.

Keywords

MPI Counter Profiling Instrumentation Hardware Performance Counters Trace-based Profiling PerfAPI PCL 

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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • Rolf Rabenseifner
    • 1
  1. 1.Center for High Performance Computing (ZHR)Dresden University of TechnologyDresdenGermany

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