1 2 IS to select slice from 3D DMDA vector : 3IS Object: 4 MPI processes 4 type: general 5[0] Number of indices in set 4 6[0] 0 2 7[0] 1 6 8[0] 2 10 9[0] 3 14 10[1] Number of indices in set 4 11[1] 0 18 12[1] 1 22 13[1] 2 26 14[1] 3 30 15[2] Number of indices in set 4 16[2] 0 34 17[2] 1 38 18[2] 2 42 19[2] 3 46 20[3] Number of indices in set 4 21[3] 0 50 22[3] 1 54 23[3] 2 58 24[3] 3 62 25 26 Extracted slice vector, in DMDA ordering : 27Vec Object: 4 MPI processes 28 type: mpi 29Process [0] 300. 310. 32100. 33100. 34Process [1] 350. 360. 37100. 38100. 39Process [2] 40200. 41200. 42300. 43300. 44Process [3] 45200. 46200. 47300. 48300. 49 50 Extracted slice vector, in natural ordering : 51Vec Object: 4 MPI processes 52 type: mpi 53Process [0] 540. 550. 560. 570. 58Process [1] 59100. 60100. 61100. 62100. 63Process [2] 64200. 65200. 66200. 67200. 68Process [3] 69300. 70300. 71300. 72300. 73