[Mpi-forum] MPI-3 pre-proposal

[Jeff Squyres]

Would you be willing to accept this idea as a friendly amendment to  
the subsets proposal?


On Apr 21, 2008, at 6:59 AM, Supalov, Alexander wrote:

> Hi,
>
> This echoes in part the current subset proposal (see
> http://svn.mpi-forum.org/trac/mpi-forum-web/wiki/Subsets).
>
> Best regards.
>
> Alexander
>
> -----Original Message-----
> From: mpi-forum-bounces at lists.mpi-forum.org
> [mailto:mpi-forum-bounces at lists.mpi-forum.org] On Behalf Of Jeff  
> Squyres
> Sent: Monday, April 14, 2008 10:49 PM
> To: Main MPI Forum mailing list
> Subject: [Mpi-forum] MPI-3 pre-proposal
>
> I have a "pre-proposal" for the Forum, meaning that I have an idea but
> want to see if others find it valuable before spending the time to
> turn it into a formal proposal.
>
> The general idea is to create a flexible mechanism to both pass hints
> from the user application to the MPI implementation and to pass
> information from the MPI implementation back to the application.  Some
> rough ideas:
>
> - Allow hints to be passed from the app to the implementation on a  
> per-
> handle basis (e.g., on a specific communicator)
> - Allow hints to be passed from the app to the implementation for all
> instances of a handle type (e.g., for all communicators)
> - Allow hints to be specified before MPI_INIT, or create another
> variant of MPI_INIT that allows passing hints
> - Create a mechanism for an MPI implementation to pass arbitrary
> information back to the user, perhaps in response to an arbitrary
> query (maybe something along the lines of an MPI_Info in and and
> MPI_Info out)
>
> Comments?
>
> -- 
> Jeff Squyres
> Cisco Systems
>
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-- 
Jeff Squyres
Cisco Systems