You probably want MPI_Reduce, instead.
On May 15, 2012, at 11:27 PM, Rohan Deshpande wrote:
> I am performing Prefix scan operation on cluster
> I have 3 MPI tasks and master task is responsible for distributing the data
> Now, each task calculates sum of its own part of array using GPUs and returns the results to master task.
> Master task also calculates its own part of array using GPU.
> When each task returns its result (which would be array) master task needs to combine all the results to get the final result.
> Can I use MPI_SCAN to combine the results?
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