Express in a high level portable scalable fashion those aspects of problems one would like to use Fortran for
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Need not solve all issues Roughly express all data parallelism and needed task parallelism
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Integrate other programming paradigms to address remaining issues (probably C++ can be better used for "difficult" cases. This implies integrated multilanguage support.)
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Lessons from study of
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CMFORTRAN experience
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Some initial HPF experience
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Fortran + Message Passing Experience
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Particle Dynamics and Parallel Differential Equation Solving have been studied in detail (for HPF).
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Image Processing quite well understood due to ARPA iWARP activity (CMU and elsewhere)
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Other fields less completely understood.
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