[Mpi3-rma] MPI_NO_OP and origin buffer

[Torsten Hoefler]

Hi Jim,

I agree, that is a reasonable change.

Best,
  Torsten

On Thu, Sep 06, 2012 at 10:48:47AM -0500, James Dinan wrote:
> Hi All,
>
> It looks like we forgot to specify that for MPI_NO_OP in the new  
> accumulate ops, the origin buffer is ignored (i.e. it's acceptable to  
> pass NULL).  We can add this text on page 441, line 30:
>
> When MPI_NO_OP is specified, the origin buffer is ignored.
>
> We already have such a use case in the linked list example.
>
>  ~Jim.
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