up? This seems to work also. Or must one always call
MPI_Comm_create on all processes in comm - as the description says.
Jens Jørgen
-- Josh
2012/1/20 Jens Jørgen Mortensen <mailto:je...@fysik.dtu.dk>>
Hi!
For a long time, I have been calling MPI_Comm_create(comm,
Hi!
For a long time, I have been calling MPI_Comm_create(comm, group,
newcomm) with different values for group on the different processes of
comm. In pseudo-code, I would create two sub-communicators from a world
with 4 ranks like this:
if world.rank < 2:
comm = world.create([0, 1])
els
