Both 1.6.x and 1.7.x/1.8.x will need verbs.h to use the native verbs network stack.
You can use emulated TCP over IB (e.g., using the OMPI TCP BTL), but it's nowhere near as fast/efficient the native verbs network stack. On Mar 2, 2014, at 10:47 AM, Beichuan Yan <beichuan....@colorado.edu> wrote: > Thanks. Yes I am asking sysadmin to install the libibverbs-devel, which has > not been installed. > > It appears that Open MPI 1.6.5 does not need the verbs.h, but 1.7.4 does need > it? > > Beichuan > > -----Original Message----- > From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Jeff Squyres > (jsquyres) > Sent: Sunday, March 02, 2014 11:44 > To: Open MPI Users > Subject: Re: [OMPI users] OpenMPI job initializing problem > > On Mar 2, 2014, at 10:18 AM, Gustavo Correa <g...@ldeo.columbia.edu> wrote: > >> Make sure you have any ofed/openib "devel" packages installed, in case >> they exist and yum lists them. >> This may be a possible reason for missing header files. > > +1 > > Look for libibverbs-devel. > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > _______________________________________________ > 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 jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
