[Mpi3-rma] GetAccumulate restriction needed?

Rajeev Thakur thakur at mcs.anl.gov
Thu Mar 31 22:20:07 CDT 2011

Good catch. I think we should add that restriction. MPI_Sendrecv, for example, explicitly says the send and recv buffers must be disjoint.


On Mar 31, 2011, at 9:17 PM, Underwood, Keith D wrote:

> Hi All,
> Brian and I were having a discussion about something else today and realized that we weren’t sure of something very important:  is there anywhere in the one-sided chapter that prohibits the source buffer of the GetAccumulate and the reply buffer of the GetAccumulate from being the same buffer?  It seems like this should be prohibited…
> Keith
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