| MPITEST(1) | USER COMMANDS | MPITEST(1) |
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NAME
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mpitest - measures the MPI library performance
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SYNOPSIS
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mpitest -nodes=nodes command
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DESCRIPTION
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Mpitest measures bandwidth or round trip time in the MPI communication library.
- OPTIONS
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-nodes=nodes
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Specify number of nodes.
nodes must be 2x1 or 1x2.
- 2x1
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This option is used to evaluate host to host communication.
- 1x2
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This option is used to evaluate communication within an SMP compute host.
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command
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Specify command.
command must be mpi_bw, mpi_bw2 or mpi_rtt.
- mpi_bw
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This command is specified to measure burst-mode communicaiton bandwidth.
- mpi_bw2
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This command is specified to measure ping-pong communicaiton bandwidth.
- mpi_rtt
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This command is specified to measure round trip time.
- SEE ALSO
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$Id: mpitest.html,v 1.2 2002/10/04 06:09:19 kameyama Exp $