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Using TAU: A brief Introduction• TAU supports several measurement options (profiling, tracing,profiling with hardware counters, etc.)• Each measurement configuration of TAU corresponds to a uniquestub makefile and library that is generated when you configure it• To instrument source code using PDT– Choose an appropriate TAU stub makefile in /lib:% module load tau% setenv TAU_MAKEFILE $TAULIBDIR/Makefile.tau-mpi-pdt-pgi% setenv TAU_OPTIONS ‘-optVerbose …’ (see tau_compiler.sh -help)And use tau_f90.sh, tau_cxx.sh or tau_cc.sh as Fortran, C++ or C compilers:% mpif90 foo.f90changes to% tau_f90.sh foo.f90• Execute application and analyze performance data:% pprof (for text based profile display)13 th DOE % ACTS paraprof Workshop: (for Scalable GUI) and Robust Libraruesabd Tiiks fior High-End ComputingTAUhttp://tau.uoregon.edu
TAU Measurement Configuration% cd $TAULIBDIR; ls Makefile.*Makefile.tau-mpi-pdt-pgiMakefile.tau-papi-mpi-pdt-pgiMakefile.tau-param-mpi-pdt-pgiMakefile.tau-pdt-pgiMakefile.tau-phase-papi-mpi-pdt-pgiMakefile.tau-pthread-pdt-pgi…• For an MPI+F90 application, you may want to start with:Makefile.tau‐mpi‐pdt‐pgi– Supports MPI instrumentation & PDT for automatic source instrumentation– % setenv TAU_MAKEFILE $TAULIBDIR/Makefile.tau-mpi-pdtpgi– % tau_f90.sh matrix.f90 -o matrix– % mpirun –np 8 ./matrix– % paraprof13 th DOE ACTS Workshop: Scalable and Robust Libraruesabd Tiiks fior High-End ComputingTAUhttp://tau.uoregon.edu
Page 1: TAU13 th DOE ACTS Workshop: Scalabl
Page 4 and 5: TAU Performance System ®• Integr
Page 6 and 7: TAU Performance System Architecture
Page 8 and 9: Program Database Toolkit (PDT)Appli
Page 12 and 13: ParaProf Profile Analysis Framework
Page 14 and 15: Parallel Profile Visualization: Par
Page 16 and 17: ParaProf: Scatter Plot13 th DOE ACT
Page 18 and 19: Jumpshot [ANL]: Trace Visualization
Page 20 and 21: Inclusive and Exclusive Profiles•
Page 22 and 23: Atomic Events, Context EventsAtomic
Page 24 and 25: Runtime Environment Variables in TA
Page 26 and 27: Memory Leaks in MPI13 th DOE ACTS W
Page 28 and 29: Generating a flat profile with MPI%
Page 30 and 31: Compile-Time Environment Variables
Page 32 and 33: Usage Scenarios: Loop Level Instrum
Page 34 and 35: Usage Scenarios: Compiler-based Ins
Page 36 and 37: Usage Scenarios: Calculate mflops i
Page 38 and 39: Hardware CountersHardware performan
Page 40 and 41: PAPI Utilities: papi_avail• $ uti
Page 42 and 43: PAPI Utilities: papi_avail• [CONT
Page 44 and 45: PAPI Utilities: papi_native_availUN
Page 46 and 47: PAPI Utilities: papi_event_chooser$
Page 48 and 49: PAPI Utilities: papi_event_chooser$
Page 50 and 51: Derived Metrics in ParaProf13 th DO
Page 52 and 53: Mflops Sorted by Exclusive Timelowm
Page 54 and 55: • Generates program callgraphCall
Page 56 and 57: Tracing MeasurementProcess A:void m
Page 58 and 59: Generate a Trace File% module load
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Three Instrumentation Techniques fo
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Issues: Linker based substitution
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13 th DOE ACTS Workshop: Scalable a
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HDF5 Library Wrapping[sameer@zorak]
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Preloading a wrapper library•Prel
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13 th DOE ACTS Workshop: Scalable a
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Usage Scenarios: Evaluate Scalabili
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Usage Scenarios: Evaluate Scalabili
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Performance Regression Testing13 th
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Communication Matrix Display• Goa
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Communication Matrix13 th DOE ACTS
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Measuring Performance of PGI GPGPU
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Scalable Visualization: ParaProf (1
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ParaProf (1m cores * )13 th DOE ACT
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TAU Integration with IDEs• High p
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Choosing PAPI Counters with TAU in
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• U.S. Department of Energy- Offi
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