Hi Ralph, The root cause of ticket #3893 I reported about lama mapper would be same as that of #4035 - both are related to inverted topologies. Please delete/close #3983 as duplicated.
https://svn.open-mpi.org/trac/ompi/ticket/3893 https://svn.open-mpi.org/trac/ompi/ticket/4035 Tetsuya Mishima
