More specifically, Open MPI still uses a TCP layer for its run-time
setup/teardown. That TCP can be regular ethernet, IPoIB, or any other
emulation layer. Ralph's referring to the oob_tcp_if_in|exclude flags allows
you to specify using your IPoIB devices, pure ethernet devices, etc.
On Apr 5
If it is available, yes - though you can control that by setting the
oob_tcp_if_include[exclude] flags
On Apr 5, 2010, at 3:44 PM, David Turner wrote:
> Hi all,
>
> Please, some clarification. I have built Open MPI 1.4.1 against
> our IB verbs layer, and all seems well. But a question has com
Hi all,
Please, some clarification. I have built Open MPI 1.4.1 against
our IB verbs layer, and all seems well. But a question has come
up about IPoIB. While all communications are using the "native"
IB interface (verbs), will mpirun use IPoIB during job launch
and teardown?
If it matters, re
