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Tool-supported parallel application development

By: Decker, K.M.; Clemencon, C.; Zimmermann, F.; Wylie, B.J.N.; Sawyer, W.; Ruhl, R.; Muller, A.; Masuda, N.; Lorenzo, P.A.R.; Fritscher, J.; Endo, A.; Deshpande, V.R.;

1996 / IEEE / 0-7803-3255-5

Description

This item was taken from the IEEE Periodical ' Tool-supported parallel application development ' Our goal is to ease the parallelization of applications on distributed-memory parallel processors. Part of our team is implementing parallel kernels common to industrially significant applications using High Performance Fortran (HPF) and the Message Passing Interface (MPI). They are assisted in this activity by a second group developing an integrated tool environment, Annai, consisting of a parallelization support tool, a debugger, and a performance monitor and analyzer. These two groups interact closely, with application developers defining requirements and evaluating prototypes of the tool environment. The Annai environment is unique in providing a suite of general-purpose tools for scientific application development, encompassing comprehensive support for programming irregular problems and the debugging and tuning of HPF and/or MPI-based parallel programs. Addressing application developer requirements, while making leading-edge technology available in a genuinely-usable form, has resulted in the timely provision of powerful parallel programming tools. The paper describes goals, achievements and perspectives of the project, illustrating with specific case studies of three application kernels how the tool environment assists in the parallelization process: development effort and resulting performance are discussed.