On Tue, Feb 09, 2010 at 02:31:24PM +0000, Garth N. Wells wrote: > Can someone provide a brief synopsis of the function > > MPI::distribute(std::vector<uint>& values, std::vector<uint>& partition); > > ? > > Garth
Yes, this is a function Ola and I found very useful. It's based on some code that Niclas wrote which was repeated in a few places. We simplified it and made it work with STL containers. What it does is the following. Each process prepares two arrays: values partition where partition[i] is the number of the partition (process) which should receive value[i]. Note that values and partition need to be arrays of equal length. After the call to distribute(), the contents of the values array will contain the values each process has received, and partition[i] will tell you which process that value came from. -- Anders
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