ex9.yml

# the alpha parameter
alpha: 0.125
# global data-size (excluding spacer for boundary conditions or ghosts)
global_size: { height: 60, width: 12 }
# degree of parallelism (number of blocks in each dimension)
parallelism: { height: 2, width: 2 }
# PDI configuration
pdi:
  metadata: # small values for which PDI keeps a copy
    ii: int
    dsize: { type: array, subtype: int, size: 2 }
    psize: { type: array, subtype: int, size: 2 }
    pcoord: { type: array, subtype: int, size: 2 }
  data: # values for which PDI does not keep a copy
    main_field: { type: array, subtype: double, size: [ '$dsize[0]', '$dsize[1]' ] }
  plugins:
    mpi:
    decl_hdf5:
      file: ex9-data${pcoord[0]}x${pcoord[1]}.h5 # should be just ex9.h5
      #communicator: $MPI_COMM_WORLD
      datasets:
        main_field: { type: array, subtype: double, size: [ 3, , ] }
      write:
        main_field:
          when: '$ii>0 & $ii<4'
          memory_selection:
            size: ['$dsize[0]-2', '$dsize[1]-2']
            start: [1, 1]
          dataset_selection:
            size: [1, , ]
            start: ['$ii-1', , ]