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NAME

       ib_rdma_lat - RDM latency test

SYNOPSIS

       ib_rdma_lat [ options ] [ server IP address ]

DESCRIPTION

       This program tests the latency  of RMDA write transactions.

OPTIONS

       -p, --port=<port>
              listen on/connect to port <port> (default: 18515)

       -d, --ib-dev=<dev>
              use IB device <dev> (default: first device found)

       -i, --ib-port=<port>
              use port <port> of IB device (default: 1)

       -s, --size=<size>
              size of message to exchange (default: 65536)

       -t, --tx-depth=<dep>
              size of tx queue (default 100)

       -n, --iters=<iters>
              number of exchanges (at least 2, default: 1000)

       -I, --inline_size=<size>
              max size of message to be sent in inline mode (default 400)

       -C, --report-cycles
              report times in cpu cycle units (default microseconds)

       -H, --report-histogram
              print out all results (default print summary only)

       -U, --report-unsorted
              (implies -H) print out unsorted results (default sorted)

       -c, --cma
              use the RDMA CMA to setup the RDMA connection

       -V, --version
              display version number

AUTHOR

       Guy Coates  < gmpc@sanger.ac.uk >