User`s guide

5 Math with Codistributed Arrays
5-18
1 9 17 25 33 41 49 57
2 10 18 26 34 42 50 58
3 11 19 27 35 43 51 59
4 12 20 28 36 44 52 60
5 13 21 29 37 45 53 61
6 14 22 30 38 46 54 62
7 15 23 31 39 47 55 63
8 16 24 32 40 48 56 64
LAB 1
LAB 3
LAB 2
LAB 4
LAB 1
LAB 3
LAB 2
LAB 4
LAB 1
LAB 3
LAB 2
LAB 4
LAB 1
LAB 3
LAB 2
LAB 4
Original matrix
The diagram above shows a scheme that requires four overlays of the lab grid to
accommodate the entire original matrix. The following pmode session shows the code and
resulting distribution of data to each of the workers: