[Mpi3-rma] GetAccumulate restriction needed?

[Rajeev Thakur]

No call tomorrow. It's a week from tomorrow.

On Apr 3, 2011, at 6:14 PM, Underwood, Keith D wrote:

>>> On 03/31/2011 10:20 PM, Rajeev Thakur wrote:
>>>> Good catch. I think we should add that restriction. MPI_Sendrecv,
>> for
>>>> example, explicitly says the send and recv buffers must be disjoint.
>>> 
>>> No MPI_IN_PLACE for Get_accumulate?
>> Not yet, I agree that it could make sense though -- we should discuss
>> this tomorrow.
> 
> Could you perhaps provide a use case?  Otherwise, it looks like an implementation nightmare with potentially unexpected performance characteristics associated with any working implementation choice.  
> 
> Do we have a call tomorrow?  I thought Rajeev's note said 4/11...
> 
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