On Mon, Dec 13, 2010 at 4:57 PM, Kechagias Apostolos
> I have the code that is in the attachment.
> Can anybody explain how to use scatter function?
MPI_Scatter receives the data in the initial segment of the given
buffer. (The receiving buffer needs to be 1/Nth of the send buffer.)
So, in your code, it's always start=0 and end=(N1-1) independently of the rank.