On Wed, Oct 28, 2009 at 1:09 PM, Jeff Squyres <jsquy...@cisco.com> wrote: > On Oct 28, 2009, at 1:08 PM, nam kim wrote: > >> Head node and other computing nodes have topspin-ib-rhel4-3.2.0-118 >> installed with CISCO IB card (HCA-320-A1). >> > > Is there a reason you're not using OFED? OFED is *much* more modern and has > many more features than the old Cisco/Topspin IB driver stack. I don't > remember when the last Cisco IB stack release was, but I think it was > (literally) years ago. We put all of our development effort into OFED quite > a while ago. > > Additionally, Open MPI removed support for the old MVAPI-style IB stacks > (including the Cisco/Topspin stack) starting with Open MPI v1.3. So if you > stick with the old stack, you're pretty much limited to Open MPI v1.2.x. > >> Our new nodes has mellanox IB card (MHRH19-XTC). My question is how >> to compile openmpi with heterogenous IB cards? >> > > I'm afraid I don't know the subtle differences between those two cards. > Most of Open MPI's HCA determination and adjusting is done at run time, not > compile time. My advice would be to upgrade to the latest stable OFED > release and the latest stable Open MPI release. Then try running it and see > what happens. It will "probably" work just fine. If not, we can tweak some > run-time parameters to force Open MPI to use the same settings on all your > HCAs and then it will work. > > Does that make sense?
It makes sense. Thanks > > -- > Jeff Squyres > jsquy...@cisco.com > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >