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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2005-10-31 22:52:04

On Oct 31, 2005, at 11:05 AM, George Bosilca wrote:

> For TCP you can get the list of available MCA parameters using
> "ompi_info --param btl tcp". The one involved in selecting the
> network are:
> btl_tcp_if_include
> btl_tcp_if_exclude
> You just have to set one of them as they are exclusive. So if you
> want to select the second network interface (let say it is named
> eth1) you have to add in the mca-params.conf file the following line:
> bl_tcp_if_include=eth1

FWIW, I added a bunch of "MPI Tuning:" sections to the FAQ today -- I
added all this information into the "MPI Tuning:TCP" section:

{+} Jeff Squyres
{+} The Open MPI Project