NHSE ReviewTM 1997 Volume First Issue

A Survey of MPI Implementations

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Multithreaded (MT) Device

A researcher in Germany has implemented the MPICH ADI so that MPI ``processes'' are in fact threads on a multiprocessor machine. Communication between these processes can be done with a single copy.

The MT device runs on Linux with the Nthreads library and on Solaris with the Nthreads and Solaris threads libraries. To handle the problem of non-private global variables, there is support for private global variables through a preprocessor or a modified gcc compiler. This approach is quite similar to what was done for the Cray PVP implementation described in Section 6.5.1.
See http://noah.informatik.tu-chemnitz.de/members/radke/mtdevice/mtdevice.html for more information.

Copyright © 1996


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