IBV_UC_PINGPONG - Online Linux Manual PageSection : 1
Updated : August 30, 2005
Source : libibverbs
Note : USER COMMANDS

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NAMEibv_uc_pingpong − simple InfiniBand UC transport test

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SYNOPSISibv_uc_pingpong [−p port] [−d device] [−i ib port] [−s size] [−m size] [−r rx depth] [−n iters] [−l sl] [−e] [−g gid index] HOSTNAME ibv_uc_pingpong [−p port] [−d device] [−i ib port] [−s size] [−m size] [−r rx depth] [−n iters] [−l sl] [−e] [−g gid index]

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DESCRIPTIONRun a simple ping-pong test over InfiniBand via the unreliable connected (UC) transport.

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OPTIONS−p, −−port=PORT  use TCP port PORT for initial synchronization (default 18515) −d, −−ib−dev=DEVICE  use IB device DEVICE (default first device found) −i, −−ib−port=PORT  use IB port PORT (default port 1) −s, −−size=SIZE  ping-pong messages of size SIZE (default 4096) −m, −−mtu=SIZE  path MTU SIZE (default 1024) −r, −−rx−depth=DEPTH  post DEPTH receives at a time (default 1000) −n, −−iters=ITERS  perform ITERS message exchanges (default 1000) −l, −−sl=SL  use SL as the service level value of the QP (default 0) −e, −−events  sleep while waiting for work completion events (default is to poll for completions) −g, −−gid-idx=GIDINDEX  local port GIDINDEX −c, −−chk  validate received buffer

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SEE ALSOibv_rc_pingpong(1), ibv_ud_pingpong(1), ibv_srq_pingpong(1), ibv_xsrq_pingpong(1)

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AUTHORSRoland Dreier  <rolandd@cisco.com>

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BUGSThe network synchronization between client and server instances is weak, and does not prevent incompatible options from being used on the two instances. The method used for retrieving work completions is not strictly correct, and race conditions may cause failures on some systems. 0

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Johanes Gumabo

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