I'm not sure I understand you. Does Open MPI work across multiple machines? I.e., can you do all three of those steps across multiple machines?
On Jan 23, 2013, at 8:16 AM, Ada Mancuso <mancuso....@gmail.com> wrote: > I'm sure that openmpi works, morever my problem happens only with more than 2 > slaves (on different machines while in local it greatly works with any number > of slaves). > Thanks > Ada > > Il giorno 23/gen/2013 14:04, "Jeff Squyres (jsquyres)" <jsquy...@cisco.com> > ha scritto: > Are you able to run the C examples in the examples/ directory from the > tarball? > > Our README suggests the following: > > ----- > When verifying a new Open MPI installation, we recommend running three > tests: > > 1. Use "mpirun" to launch a non-MPI program (e.g., hostname or uptime) > across multiple nodes. > > 2. Use "mpirun" to launch a trivial MPI program that does no MPI > communication (e.g., the hello_c program in the examples/ directory > in the Open MPI distribution). > > 3. Use "mpirun" to launch a trivial MPI program that sends and > receives a few MPI messages (e.g., the ring_c program in the > examples/ directory in the Open MPI distribution). > > If you can run all three of these tests successfully, that is a good > indication that Open MPI built and installed properly. > ----- > > > On Jan 23, 2013, at 7:41 AM, Ada Mancuso <mancuso....@gmail.com> > wrote: > > > Hi, > > I've installed the latest snapshot taken from svn developer's trunk but I > > had the same problems. This is my configuration: > > • Ubuntu 2.6.38-8 kernel > > • Openssh_5.8p1 openssl 0.9.8o > > • Libtool version 2.4 > > • Open mpi 1.7 rc5 and latest snapshots. > > Do you think my problem could be related with the operating system used or > > with any parameter or configuration? I've also checked the ssh log file but > > I didn't find any problem. > > Thanks in advance > > Ada > > > > > > > > Il giorno martedì 22 gennaio 2013, Ralph Castain ha scritto: > > > > > > Ouch - no, you'd have to take it from the developer's trunk, either via > > > svn checkout or the nightly developer's snapshot > > > > > > On Jan 22, 2013, at 12:35 PM, Ada Mancuso <mancuso....@gmail.com> wrote: > > > > > > My problem is that I have to use openmpi 1.7 rc5 because I'm using the > > > Java binding mpijava... Is it present in the latest snapshot you told me? > > > If so where can I find it? > > > Thanks a lot > > > Ada > > > > > > Il giorno 22/gen/2013 21:03, "Ralph Castain" <r...@open-mpi.org> ha > > > scritto: > > >> > > >> It seems to be working fine for me with the latest 1.7 tarball (not rc5 > > >> - I didn't test that one). Could be there was a problem that has since > > >> been fixed. We are getting ready to release an updated rc, so you might > > >> want to try it (or use the latest nightly 1.7 snapshot). > > >> > > >> > > >> On Jan 22, 2013, at 9:57 AM, Ada Mancuso <mancuso....@gmail.com> wrote: > > >> > > >> Hi, > > >> I'm trying to run my mpi program using open mpi 1.7 rc5 on 4 machines > > >> using the command: > > >> mpirun -np4 -hostfile file a.out > > >> but i get the following message errors: > > >> ORTE_ERROR_LOG: A message is attempting to be sent to a process whose > > >> contact information is unknown in file > > >> ../../../../../ompi/orte/mca/rml/oob/rml_oob_send.c > > >> attempted to send to [[21341,0],2]: tag 15 > > >> ORTE_ERROR_LOG: A message is attempting to be sent to a process whose > > >> contact information is unknown in file > > >> ../../../../ompi/orte/mca/grpcomm/base/grpcomm_base_xcast.c > > >> The file etc/hosts is composed by ipaddress hostname, I have exchange > > >> ssh keys among the machines and ssh login works without requiring > > >> authentication password. Surprisingly if I try to run my program with at > > >> most 2 hosts, and so the file hosts contains only two hosts, it works > > >> but if i try to run my program with more than two hosts i have this > > >> error; mpi works well on each machine and I also tried to run my program > > >> with different couple of machines in order to be sure that no machine > > >> could be the problem. > > >> Can you help me please? > > >> Ada > > >> _______________________________________________ > > >> 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 > > > > > > _______________________________________________ > > > 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/ > > > _______________________________________________ > 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/
