DM Object: Particles 1 MPI process
  type: swarm
Particles in 0 dimensions:
  Number of particles per rank: 40804
rank[0] before(40804,40804)
DMSwarmDataEx: instance=0
  topology status:        finalized 
  message lengths status: finalized 
  packer status status:   finalized 
  communication status:   finalized 
  Topology:
    [0] neighbours: 0 
  Message lengths:
rank[0] after(40804,40804)
