Suppose four processes a, b, c, d, with corresponding oldrank in comm: 0, 1, 2, 3. Let color=oldrank%2 and corresponding key= 7, 1, 0, 3. Identify newgroups of newcomm, sorted by newranks, after the...

Suppose four processes a, b, c, d, with corresponding oldrank in comm: 0,

1, 2, 3. Let color=oldrank%2 and corresponding key= 7, 1, 0, 3. Identify

newgroups of newcomm, sorted by newranks, after the execution of:

MPI_COMM_SPLIT (comm, color, key, newcomm).