AIX MPIO and EMC Post: 302096710

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LEARN ABOUT DEBIAN

ib_write_bw_postlist

ib_write_bw_postlist(1) 					   User Commands					   ib_write_bw_postlist(1)

NAME

       ib_write_bw_postlist - RDMA write post list bandwidth test

SYNOPSIS

       ib_write_bw_postlist [ options ] [ server IP address ]

DESCRIPTION

       This program tests the bandwidth 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)

       -c, --connection=<RC/UC>
	      connection type RC/UC (default RC)

       -m, --mtu=<mtu>
	      mtu size (256 - 4096. default for hermon is 2048)

       -g, --post=<num of posts>
	      number of posts for each qp in the chain (default tx_depth)

       -q, --qp=<num of qp's>
	      Num of qp's(default 1)

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

       -a, --all
	      Run sizes from 2 till 2^23

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

       -n, --iters=<iters>
	      number of exchanges (at least 2, default 5000)

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

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

       -V, --version
	      display version number

       -F, --CPU-freq
	      do not fail even if cpufreq_ondemand module is loaded

AUTHOR

       Guy Coates  < gmpc@sanger.ac.uk >

perftest							 February 20, 2008					   ib_write_bw_postlist(1)

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