[ewg] maximum size of ibv_post_send

Matthew Small matthewtsmall at gmail.com
Mon Feb 25 14:45:22 PST 2008


Does anyone know what is the maximum size of a transfer using the verbs
library?  I have a program which sends increasing amounts of data using
ibv_post_send and it seems to be having trouble when I try and send > ~2MB.
Obviously, I can split this up into several communications, but I am unaware
if there is a limit (or is it only limited by the amount of memory you can
register?).

-Matt
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