Update 'topo' property for graph communicators (return what the MPI standard defines as 'index' and 'edges')
Update 'topo' property for graph communicators (return what the MPI standard defines as 'index' and 'edges')
mpi4py/mpi4py,pressel/mpi4py,pressel/mpi4py,mpi4py/mpi4py,mpi4py/mpi4py,pressel/mpi4py,pressel/mpi4py