Re: [OMPI users] Error or warning message when launching job

2006-11-01 Thread Brian W. Barrett
The issue is that openpty() is failing on the machine. I think /dev/ptmx and /dev/pts have to exist for pty support to work properly. We're having the same issue on Coyote, but not on Pink and Flash. As far as I can tell, those are the files / directories that are on the working systems but not

[OMPI users] Error or warning message when launching job

2006-11-01 Thread David Gunter
I'm testing out a new OpenMPI 1.1.2 build on a machine here at LANL and get the following at launch: % mpirun -np 4 IMB-MPI1 [n254:07650] pls_bproc_orted: openpty failed, using pipes instead [n255:07651] pls_bproc_orted: openpty failed, using pipes instead [n254:07650] pls_bproc_orted: openpty

Re: [OMPI users] OMPI Collectives

2006-11-01 Thread Jeff Squyres
We have nightly 1.2 tarballs too (just not listed on the web page). To clarify our development process: - we develop on the trunk. We typically keep that version number higher than any existing or upcoming releases (e.g., right now, it's "1.3" because the trunk will someday be branched for

Re: [OMPI users] OMPI Collectives

2006-11-01 Thread Michael Kluskens
On Nov 1, 2006, at 10:27 AM, George Bosilca wrote: PS: BTW which version of Open MPI are you using ? The one who deliver the best performance or the collective communications (at least on high performance networks) is the nightly release of he 1.2 branch. As far as I can see the only nightly

Re: [OMPI users] Problem starting rank other than zero

2006-11-01 Thread Jeff Squyres
An additional question -- did you re-compile / re-link your application with Open MPI? If you're running an MPI application compiled / linked against another MPI implementation, it may not see the Open MPI-specific startup information about how to startup parallel processes (e.g., their ra

Re: [OMPI users] about the openmpi problem

2006-11-01 Thread George Bosilca
All the installation problems are overlooked in our FAQ. The pointer to the FAQ is the following http://www.open-mpi.org/faq/. For all questions related to the installation of Open MPI please refer to http://www.open-mpi.org/faq/?category=running. As far as I see, the answer to your questi

Re: [OMPI users] OMPI Collectives

2006-11-01 Thread George Bosilca
On Oct 28, 2006, at 6:51 PM, Tony Ladd wrote: George Thanks for the references. However, I was not able to figure out if it what I am asking is so trivial it is simply passed over or so subtle that its been overlooked (I suspect the former). No. The answer to your question was in the ar

[OMPI users] about the openmpi problem

2006-11-01 Thread calin pal
sir, in four machine of our college i have installed in this way..that i m sending u i start four machine from root... then i installed the openmpi1.1.1 -tar.gz using the commands. tar -xvzf openmpi-1.1.1 cd openmpi-1.1.1 ./configure --prefix=/usr/local make make all install ompi_