Karen> I am interested in Infiniband with x86_64 Opterons.
Roland>OK, the current code should work well for you -- x86_64 is
probably
Roland>the most-tested architecture.
I have tested on X86_64 EM64T systems. I have a 4 node cluster that I
ran
some MPI tests on top of IpoIB over the holidays and it ran without
any problems. I know that others have also tested on x86_64 Opteron,
so it should work fine for that arch.
woody