Static FFT Slab Distribution:

  FFT slabs assigned to    8 tasks
  Maximum of   23 xy slabs per task
  Maximum of   18 zx slabs per task
  Count of FFT xy slabs assigned to each task:
      22  22  22  22  23  23  23  23
  Count of FFT xz slabs assigned to each task:
      18  18  18  18  18  18  18  18