On 15. juni 2013, at 01.31, Ralph Castain wrote: > I have no idea how MacPorts configures OMPI - did you check the output of > ompi_info to see if threading was even enabled?
ompi_info shows Thread support: posix (MPI_THREAD_MULTIPLE: yes, progress: no) for 1.6.4 and 1.7.1. I could post the full ompi_info if that would help. Best regards, Hans > > > On Jun 14, 2013, at 3:12 PM, Hans Ekkehard Plesser > <hans.ekkehard.ples...@umb.no> wrote: > >> >> Hi! >> >> I use OpenMPI 1.7.1 from MacPorts (+threads +gcc47). When compiling a simple >> hello world program calling >> >> MPI_Init_thread(&argc, &argv, MPI_THREAD_SERIALIZED, &provided); >> >> the program hangs if run on more than one process. All works fine if I >> >> - either use MPI_THREAD_SINGLE >> - or use OpenMPI 1.6.4. >> >> The actual compiler invocation and compiler version are >> >> [Macintosh:~/tmp/hw] hep% openmpicc -o hw_mpi hw_mpi.c --showme >> /usr/bin/clang -o hw_mpi hw_mpi.c -I/opt/local/include/openmpi >> -L/opt/local/lib -lmpi >> >> [Macintosh:~/tmp/hw] hep% /usr/bin/clang --version >> Apple clang version 4.1 (tags/Apple/clang-421.11.66) (based on LLVM 3.1svn) >> Target: x86_64-apple-darwin12.4.0 >> Thread model: posix >> >> The full program code is shown below. I have also reported this to the >> MacPorts bug tracker. >> >> Best regards, >> Hans E Plesser >> >> ------ >> #include <stdio.h> >> >> #include <mpi.h> >> >> int main(int argc, char **argv) >> { >> int provided; >> MPI_Init_thread(&argc, &argv, MPI_THREAD_SERIALIZED, &provided); >> >> printf("Provided threading level: %d.\n", provided); >> >> int rank; >> MPI_Comm_rank(MPI_COMM_WORLD, &rank); >> >> printf("Hello, world! This is rank %d.\n", rank); >> >> MPI_Finalize(); >> return 0; >> } >> ------ >> >> >> -- >> >> Dr. Hans Ekkehard Plesser, Associate Professor >> Head, Basic Science Section >> >> Dept. of Mathematical Sciences and Technology >> Norwegian University of Life Sciences >> PO Box 5003, 1432 Aas, Norway >> >> Phone +47 6496 5467 >> Fax +47 6496 5401 >> Email hans.ekkehard.ples...@umb.no >> Home http://arken.umb.no/~plesser >> >> >> _______________________________________________ >> 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 -- Dr. Hans Ekkehard Plesser, Associate Professor Head, Basic Science Section Dept. of Mathematical Sciences and Technology Norwegian University of Life Sciences PO Box 5003, 1432 Aas, Norway Phone +47 6496 5467 Fax +47 6496 5401 Email hans.ekkehard.ples...@umb.no Home http://arken.umb.no/~plesser