Ahmed -- Did you have a further question? I didn't see any additional / new text in the reply below.
> On Mar 17, 2015, at 1:58 PM, Ahmed Salama <ah_salama_eng...@yahoo.com> wrote: > > > From: Jeff Squyres (jsquyres) <jsquy...@cisco.com> > To: "t...@riseup.net" <t...@riseup.net>; Open MPI User's List > <us...@open-mpi.org> > Sent: Monday, 9 March 2015, 18:53:17 > Subject: Re: [OMPI users] how to compile without ib support > > On Mar 9, 2015, at 12:19 PM, Tus <t...@riseup.net> wrote: > > > > I configured and installed 1.8.4 on my system. I was getting openfabric > > erros and started to specify -mca btl ^openib which is working but very > > slow. > > > > I would like to complile again excluding openfabric or ib support. I do > > have a 10GbE fast network in addition to 1G net. What flags are need to > > ignore ib support and how can I verify/force openmpi to use my 10GbE net? > > You have several options: > > 1. If you did a default Open MPI install, you can simply rm the > "mca_btl_openib.so" plugin that was installed under $prefix/lib/openmpi. > Open MPI then won't know that that plugin exists, and it won't try to use > OpenFabrics-based devices. > > 2. You can set a system-wide MCA parameter to ignore the openib BTL. That > way, you don't have to type it on the mpirun command line every time. > > 3. You can rebuild Open MPI with the --without-verbs configure command line > switch. This will ultimately have the same effect as #1 (i.e., the openib > plugin won't be in the installation tree). > > As for using your 10G, I assume you mean over TCP sockets, right? > > If so, you can use --mca btl_tcp_if_include <NAME_OF_10G_DEVICE> or > <CIDR_OF_10G_NETWORK>. E.g.: > > mpirun --mca btl_tcp_if_include eth1 ... > mpirun --mca btl_tcp_if_include 10.20.30.0/24 ... > > -- > 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 > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/03/26445.php > > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/03/26489.php -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
