Terry, George, and I had a long conversation about this on the phone
yesterday. I put up all the notes here:
https://svn.open-mpi.org/trac/ompi/ticket/1207#comment:9
Short version:
1. We can add a (char*) to the base endpoint struct for the BTL/MTL to
fill in to get the basic informati
Unfortunately, without the preconnect flag set the output is inaccurate.
As the connections between peers are made in a lazy way, in the best
case you will see the BTL that is supposed to be used, and not the one
that will be used.
In order to give an accurate view of the connections, you will