Try to set the path to your Open MPI binaries at the beginning of your $PATH and see if it helps.
Cheers, Gilles Czarek Kowalski <czarek230...@gmail.com> wrote: >I am going to create a program which realizes one heuristic algorithm, >i.e. program launches 4 process (on one, single computer) which >realize algorithm, then aggregates results from 4 process and choose >best result. That in future. I met problems with installation(?) >OpenMPI. I am using Ubuntu. First, I have installed OpenMPI using >instructions from this site: > >http://www.simunano.com/2015/07/how-to-install-openmpi.html > >Then I made programs from /openmpi-3.0.0/examples/ and tried to launch >a program, I am posting below what I have received: > >czarek@czarek-Inspiron-5558:~/openmpi-3.0.0/examples$ mpiexec -n 4 ./hello_c > >*** An error occurred in MPI_Init > >*** on a NULL communicator > >*** MPI_ERRORS_ARE_FATAL (processes in this communicator will now abort, > >*** and potentially your MPI job) > >[czarek-Inspiron-5558:2456] Local abort before MPI_INIT completed >completed successfully, but am not able to aggregate error messages, >and not able to guarantee that all other processes were killed! > >------------------------------------------------------- > >Primary job terminated normally, but 1 process returned > >a non-zero exit code.. Per user-direction, the job has been aborted. > >------------------------------------------------------- > >-------------------------------------------------------------------------- > >mpiexec detected that one or more processes exited with non-zero >status, thus causing > >the job to be terminated. The first process to do so was: > > > > Process name: [[25779,1],0] > > Exit code: 1 > >-------------------------------------------------------------------------- > >I have found an advice, that I should reinstall OpenMPI. I have simply >move to trash folder /openmpi/ and I have installed OpenMPI using >instructions from this site: > >http://lsi.ugr.es/jmantas/pdp/ayuda/datos/instalaciones/Install_OpenMPI_en.pdf > >Then I made programs from new folder /openmpi-3.0.0/examples/ and >tried to launch a program, with the same results like previous. >Sometimes, after launching, this error "was cloned" and was displayed >2 - 4 times (maybe the error appeared for more than 1 process). What I >have done to overcome the error: >* reinstallation (like mentioned above) > >* I found an advice that maybe environmental variables are added >twice. Indeed, but I have repaired that, now I have: > >czarek@czarek-Inspiron-5558:~$ echo $PATH >/home/czarek/bin:/home/czarek/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/czarek/.openmpi/bin > >czarek@czarek-Inspiron-5558:~$ echo $LD_LIBRARY_PATH >/home/czarek/.openmpi/lib > >* sudo apt-get update, didn't help > >I would like to add, that I have configured IDE - CodeBlocks to >compile OpenMPI using instructions from site below: > >https://pl.scribd.com/document/210457973/How-to-Run-MPI-Under-CodeBlocks > >I have created a new project, copied code from helo_c to the project, >compiled (without errors) and run: > >Hello, world, I am 0 of 1, (Open MPI v3.0.0, package: Open MPI >czarek@czarek-Inspiron-5558 Distribution, ident: 3.0.0, repo rev: >v3.0.0, Sep 12, 2017, 122) > >But I think that it was simply launched on a single process. Could You >tell me what should I do to run OpenMPI programs successfully? > >Further informations: > > OpenMPI 3.0.0 from openmpi-3.0.0.tar.gz > >ubuntu 16.10 > >Cheers, > >Czarek Kowalski >_______________________________________________ >users mailing list >users@lists.open-mpi.org >https://lists.open-mpi.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
