Supported Array Sizes

One Dimension: The array size must be divisible by 4 x p², where p is the number of processors.

Two Dimensions: Each of the array lengths must be divisible by 2 x p, where p is the number of processors.

Three Dimensions: The first dimension must be even and must have a length of at least 4. The second and third dimensions must be divisible by 2 x p, where p is the number of processors.