Try one of these:

http://www.scl.ameslab.gov/netpipe/
http://mvapich.cse.ohio-state.edu/benchmarks/osu-micro-benchmarks-3.7.tar.gz

  george.


On Nov 7, 2012, at 00:30 , huydanlin <huydanlin@gmail.com> wrote:

Hi,
   Have anyone know about MPI Program use to measure communication round-trip time on Cluster ( like ping command on network)
   That is the program have each process run on each node on Cluster. Then it use MPI to calculate the communication round-trip time among nodes.
    Thanks
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