[mpiwg-rma] FW: [Mpi3-rma] [EXTERNAL] Re: MPI-3 UNIFIED model updates

Pavan Balaji balaji at mcs.anl.gov
Tue Aug 27 12:16:41 CDT 2013


On 08/27/2013 11:39 AM, Jeff Hammond wrote:
> I agree with Keith. Losing SHMEM as a client of MPI-3 is not worth
> symmetry or other esoteric properties.
>
> It's entirely reasonable to say the standard leaves no-sync unified as
> undefined = implementation-defined. This would not be the first time.

Your statements are inconsistent.  You said you agree with Keith, but 
then said that the no-sync unified option should be undefined.  That's 
not what Keith is saying; he wants that to have *defined* behavior, 
i.e., it is valid for the client to do platform-specific memory consistency.

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji



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