DM Object: 4 MPI processes
  type: swarm
DMSwarmDataBucketView: 
  L                  = 10404 
  buffer             = 4 
  allocated          = 10408 
  nfields registered = 5 
    [  0]     DMSwarm_pid : Mem. usage       = 8.33e-02 (MB) [rank0]
                            blocksize        = 1 
                            atomic size      = 8 
    [  1]    DMSwarm_rank : Mem. usage       = 4.16e-02 (MB) [rank0]
                            blocksize        = 1 
                            atomic size      = 4 
    [  2]       viscosity : Mem. usage       = 8.33e-02 (MB) [rank0]
                            blocksize        = 1 
                            atomic size      = 8 
    [  3]           coorx : Mem. usage       = 8.33e-02 (MB) [rank0]
                            blocksize        = 1 
                            atomic size      = 8 
    [  4]           coory : Mem. usage       = 8.33e-02 (MB) [rank0]
                            blocksize        = 1 
                            atomic size      = 8 
  Total mem. usage                           = 1.47e+00 (MB) (collective)
rank[0] before(10404,40804)
rank[1] before(10200,40804)
rank[2] before(10200,40804)
rank[3] before(10000,40804)
DMSwarmDataEx: instance=0
  topology status:        finalized 
  message lengths status: finalized 
  packer status status:   finalized 
  communication status:   finalized 
  Topology:
    [0] neighbours: 1 
    [0]   neighbour[0] = 3 
    [1] neighbours: 1 
    [1]   neighbour[0] = 2 
    [2] neighbours: 1 
    [2]   neighbour[0] = 1 
    [3] neighbours: 1 
    [3]   neighbour[0] = 0 
  Message lengths:
    [0] atomic size: 36 
    [0] >>>>> ( 308 units :: tag = 3 ) >>>>> [3] 
    [0] <<<<< ( 2820 units :: tag = 12 ) <<<<< [3] 
    [1] atomic size: 36 
    [1] >>>>> ( 1256 units :: tag = 6 ) >>>>> [2] 
    [1] <<<<< ( 1972 units :: tag = 9 ) <<<<< [2] 
    [2] atomic size: 36 
    [2] >>>>> ( 1972 units :: tag = 9 ) >>>>> [1] 
    [2] <<<<< ( 1256 units :: tag = 6 ) <<<<< [1] 
    [3] atomic size: 36 
    [3] >>>>> ( 2820 units :: tag = 12 ) >>>>> [0] 
    [3] <<<<< ( 308 units :: tag = 3 ) <<<<< [0] 
rank[0] after(13224,47160)
rank[1] after(12172,47160)
rank[2] after(11456,47160)
rank[3] after(10308,47160)