Results for different MPI implementations

The example programs in this section test the performance characteristics of an MPI implementation.
System Comments

Cray T3D This is the official Cray/EPCC version. This installation does not have a complete MPI implementation; the tests involving MPI_Rsend and persistent sends failed. Logs are not available (MPE could not be built due to bugs in /bin/sh and/or /bin/sed).

IBM SPxThis is MPICH running on Argonne's IBM SP (SP1 nodes with SP2 switch)

IBM SP2This is the official IBM version.

SGI Power ChallengeThis is the official SGI version, running on a single multiprocessor system.