Wow, I'm amazed... it just works "out-of-the-box" configured with with-openib. I guess the new kernel supplies everything I need.
Thanks a bunch for the clues. Brian On Dec 19, 2007 5:55 AM, Jeff Squyres <jsquy...@cisco.com> wrote: > In general, you need a functioning IB subsystem on your machines for > OMPI to build for and use IB. This includes both the set of kernel > drivers and the userspace libraries. In particular, Open MPI v1.2 > uses the "ibverbs" library. If OMPI can find the ibverbs library and > headers during its configure phase, it will build IB support and try > to use it at run time. > > You can see if OMPI finds what it needs in the stdout of configure -- > search for the string "openib" and see where it configures the BTL > openib component. If it ends with a message indicating that it will > compile the openib BTL component, then you're good. If not, you'll > see some specific tests that fail that indicate why it won't include > that support (e.g., can't find the right header files or somesuch). > > > On Dec 19, 2007, at 8:49 AM, pat.o'bry...@exxonmobil.com wrote: > > > Brian, > > Here is how I do it: > > > > ./configure --prefix /opt/openmpi-1.2.4 --with-openib=/usr/local/ > > ofed \ > > --without-tm CC=icc CXX=icpc F77=ifort FC=ifort \ > > --with-threads=posix --enable-mpi-threads > > > > > > J.W. (Pat) O'Bryant,Jr. > > Business Line Infrastructure > > Technical Systems, HPC > > Office: 713-431-7022 > > > > > > > > > > "Brian Budge" > > <brian.budge@g > > > > mail.com> To > > Sent by: "Open MPI Users" > > users-bounces@ <us...@open-mpi.org> > > open- > > mpi.org cc > > > > > > Subject > > 12/19/07 12:35 [OMPI users] new to MPI > > +infiniband > > AM > > > > > > Please respond > > to > > Open MPI Users > > <users@open-mp > > i.org> > > > > > > > > > > > > > > > > > > Hi all - > > > > I have been using OpenMPI for quite a while now, and its working out > > great. > > I was looking at the FAQ and trying to figure out how to configure > > OpenMPI > > with infiniband. It shows how to enable IB pointing to the OFED > > directory. > > > > > > I have infiniband built into the kernel, along with IP over IB and > > with the > > Mellanox drivers. What would I still need to install, and how would I > > configure OpenMPI to work with this? > > > > Thanks, > > Brian_______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > > _______________________________________________ > > users mailing list > > us...@open-mpi.org > > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > -- > Jeff Squyres > Cisco Systems > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
