Hi Ralph, That's correct. All of the original processes see the -x values, but spawned ones do not.
Regards, Tim On Thu, Dec 19, 2013 at 6:09 PM, Ralph Castain <r...@open-mpi.org> wrote: > > On Dec 19, 2013, at 2:57 PM, Tim Miller <btamil...@gmail.com> wrote: > > > Hi All, > > > > I have a question similar (but not identical to) the one asked by Tom > Fogel a week or so back... > > > > I have a code that uses MPI_Comm_spawn to launch different processes. > The executables for these use libraries in non-standard locations, so what > I've done is add the directories containing them to my LD_LIBRARY_PATH > environment variable, and then calling mpirun with "-x LD_LIBRARY_PATH". > This works well for me on OpenMPI 1.6.3 and earlier. However, I've been > playing with OpenMPI 1.7.3 and this no longer seems to work. As soon as my > code MPI_Comm_spawns, all the spawned processes die complaining that they > can't find the correct libraries to start the executable. > > > > Has there been a way that exported variables are passed to spawned > processes between OpenMPI 1.6 and 1.7? > > Not intentionally, though it is possible that some bug crept into the > code. If I understand correctly, the -x values are being seen by the > original procs, but not by the comm_spawned ones? > > > > Is there something else I'm doing wrong here? > > > > Best Regards, > > Tim > > _______________________________________________ > > 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 >
