1 2 IS to select slice from 3D DMDA vector : 3IS Object: 3 MPI processes 4 type: general 5[0] Number of indices in set 0 6[1] Number of indices in set 16 7[1] 0 32 8[1] 1 33 9[1] 2 34 10[1] 3 35 11[1] 4 36 12[1] 5 37 13[1] 6 38 14[1] 7 39 15[1] 8 40 16[1] 9 41 17[1] 10 42 18[1] 11 43 19[1] 12 44 20[1] 13 45 21[1] 14 46 22[1] 15 47 23[2] Number of indices in set 0 24 25 Extracted slice vector, in DMDA ordering : 26Vec Object: 3 MPI processes 27 type: mpi 28Process [0] 29Process [1] 30196. 31198. 32200. 33202. 34194. 35197. 36200. 37203. 38192. 39196. 40200. 41204. 42190. 43195. 44200. 45205. 46Process [2] 47subset MPI subcomm size is : 1, includes global rank : 1 48 49 Extracted slice vector, in natural ordering : 50Vec Object: 3 MPI processes 51 type: mpi 52Process [0] 53Process [1] 54196. 55198. 56200. 57202. 58194. 59197. 60200. 61203. 62192. 63196. 64200. 65204. 66190. 67195. 68200. 69205. 70Process [2] 71