NHSE Review^TM 1997 Volume First Issue

A Survey of MPI Implementations

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Portability Issues

While the MPI standard enables portable parallel programs, it does not guarantee portable programs, in the following senses:

• MPI applications may take advantage of implementation details of one MPI implementation that are different in another implementation.
• MPI applications may correctly use MPI features that perform poorly in some MPI implementations.

 
• Buffering
• Non-standard Send Modes
• Standard I/O
• Performance Considerations with User-Defined Datatypes
• Thread-safe MPI

Copyright © 1996

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