Thanks for the clarification. Sorry for misreading the standard. Jeff On Tue, Oct 22, 2013 at 11:37 AM, Rajeev Thakur <[email protected]> wrote:

MPI_REDUCE_LOCAL is not the same as MPI_REDUCE on MPI_COMM_SELF. The latter just copies inbuf to outbuf without doing any op. Reduce_local performs an op between inbuf and inoutbuf. If inbuf is missing, it doesn't make sense to call Reduce_local.

On Oct 22, 2013, at 9:51 AM, Jeff Hammond wrote:

...

https://svn.mpi-forum.org/trac/mpi-forum-web/ticket/353 is trivial but perhaps I am the only person that sees the point. Can the WG give a thumbs up or down on proceeding?

Thanks,

Jeff

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