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Visualizing parallel execution of FORTRAN programs

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2 Author(s)
F. Szelenyi ; IBM Germany, AN Supercomputing, P.O. Box 800880, 7000 Stuttgart 80, Germany ; V. Zecca

As a first step toward the parallel execution analysis of FORTRAN programs, a tool called the Parallel Execution Profiler has been designed and implemented for the graphical postexecution analysis of parallel programs using the Parallel FORTRAN environment as a vehicle for both implementing parallel programs and tracing parallel events. The dynamic behavior of parallel execution is observed interactively in color graphs, which can be displayed concurrently with the source code, and in statistical summaries. This paper describes the implementation of our tool for parallel performance analysis with the aid of a parallelized application program from plasma physics.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:35 ,  Issue: 1.2 )