[Mpi3-rma] missing RMA info keys

Jeff Hammond jhammond at alcf.anl.gov
Sat Dec 1 20:50:15 CST 2012


It is not clear if these info keys are predefined for MPI_WIN_ALLOCATE
or MPI_WIN_CREATE_DYNAMIC.

Does the following text mean that the info keys for MPI_WIN_ALLOCATE
are inclusive of those for MPI_WIN_CREATE?  It really does not seem
that way to me.

========================
The info argument can be used to specify hints similar to the info
argument for MPI_WIN_CREATE and MPI_ALLOC_MEM. The following info key
is predefined:

same_size — if set to true, then the implementation may assume that
the argument size is identical on all processes.
========================

If the keys "accumulate_ordering, accumulate_ops, same_size,
alloc_shared_noncontig" are not valid for MPI_WIN_ALLOCATE and/or
MPI_WIN_CREATE_DYNAMIC already, they should be this task should be
added to the TODO list for MPI 3.1.

Jeff

On Tue, Nov 6, 2012 at 4:41 AM, Hubert Ritzdorf
<Hubert.Ritzdorf at emea.nec.com> wrote:
> Hi,
>
> the new RMA info keys "accumulate_ordering, accumulate_ops, same_size,
> alloc_shared_noncontig"
> and the corresponding values are missing in Sections A.1.5 and A.1.6 (Pages
> 683 and 684).
>
> Hubert
>
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-- 
Jeff Hammond
Argonne Leadership Computing Facility
University of Chicago Computation Institute
jhammond at alcf.anl.gov / (630) 252-5381
http://www.linkedin.com/in/jeffhammond
https://wiki.alcf.anl.gov/parts/index.php/User:Jhammond




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