It seems the split is blocking when must return MPI_COMM_NULL, in the case I have one process with a color that does not exist in the other group or with the color = MPI_UNDEFINED.
On Wed, Jan 25, 2012 at 4:28 PM, Rodrigo Oliveira <rsilva.olive...@gmail.com > wrote: > Hi Thatyene, > > I took a look in your code and it seems to be logically correct. Maybe > there is some problem when you call the split function having one client > process with color = MPI_UNDEFINED. I understood you are trying to isolate > one of the client process to do something applicable only to it, am I > wrong? According to open mpi documentation, this function can be used to do > that, but it is not working. Anyone have any idea about what can be? > > Best regards > > Rodrigo Oliveira > >