In the MPITypes paper (Processing MPI Datatypes Outside MPI), page 7:
Test: Vector
Element type: float
MPICH2: 1788.85 MB/sec
OpenMPI: 1088.01 MB/sec <- *
MPITypes: 1789.37 MB/sec
Manual Copy: 1791.59 MB/sec
Test: YZ Face
Element type: float
MPICH2: 145.32 MB/sec
OpenMPI: 93.08 MB/sec <- *
MPITypes: 145.32 MB/sec
Manual Copy: 143.68 MB/sec
Size: 0.25 MB
Extent:63.99 MB
The paper can be downloaded at:
http://press.mcs.anl.gov/mpitypes/
Is anyone working on this performance issue, or has it been fixed
already?? If not, I will check with the authors and try to get the
source code of the benchmark...
Rayson
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