[Mpi-forum] MPI "Allocate receive" proposal

[Jeff Hammond]

If errors are fatal, failure to allocate is fatal. It is as if
MPI_Alloc_mem fails. If not fatal, then Arecv returns error code of
appropriate nature.

This shouldn't be treated as resource exhaustion IMO.

Jeff

Sent from my iPhone

On Aug 26, 2013, at 10:14 AM, Pavan Balaji <balaji at mcs.anl.gov> wrote:

> Jeff,
>
> This should probably be moved to the point-to-point WG, but I'll comment on this thread for now.
>
> Such a proposal was brought up at the very early stage of the MPI-2.1 process (I don't remember by whom).  The main concern at that point was what happens when the memory allocation fails.  Will the receive fail? What happens to the sent message?
>
> Can you work these details into your slides?
>
> -- Pavan
>
> On 08/26/2013 10:10 AM, Jeff Squyres (jsquyres) wrote:
>> Dave Goodell and I have a proposal that we've socialized a bit around with other Forum members, and would now like larger Forum feedback.  I'll be presenting the attached slides on the concept of an "allocate receive" in Madrid (3:30-4pm on Thursday).
>>
>> There's no text or ticket yet; this is an idea that we want to get feedback on before working up a full proposal.
>>
>>
>>
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>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
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