ib_rdma_bw

ib_rdma_bw(1)                    User Commands                   ib_rdma_bw(1)



NAME
       ib_rdma_bw - RDMA bandwidth test


SYNOPSIS
       ib_rdma_bw [ 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)

       -b, --bidrectional
              measure bidirectional bandwidth (default unidirectional)

       -c, --cma
              use RDMA CM

       -V, --version
              display version number



AUTHOR
       Guy Coates  < gmpc@sanger.ac.uk >







perftest                       February 20, 2008                 ib_rdma_bw(1)