[Mpi3-rma] RMA proposal 2 initial text

[Pavan Balaji]

Thanks. Updated the description on the wiki page. There are three 
changes in this proposal as listed below.

  -- Pavan

On 10/29/2010 11:49 AM, William Gropp wrote:
> Thanks.  I've added this to the Propoal 2 page on the wiki ( https://svn.mpi-forum.org/trac/mpi-forum-web/wiki/mpi3-rma-proposal2
>    )
>
> Bill
>
> On Oct 27, 2010, at 9:41 PM, Pavan Balaji wrote:
>
>> All,
>>
>> I've attached a draft of proposal 2. Most of the changes that were
>> originally planned for proposal 2 have been merged into proposal 1. I
>> think we might be able to merge some more (or all) features into
>> proposal 1 as well.
>>
>> Here are the main changes:
>>
>> 1. Communication ordering: communication from the same source to the
>> same memory location is ordered now for all epochs (not something
>> specific to lockfree). The user can relax it by setting the
>> "unordered"
>> info argument or a per-epoch MPI_MODE_UNORDERED assertion.
>>
>> 2. New calls for per-operation local completions for buffer reuse.
>> Appropriate test and wait calls are also added.
>>
>> 3. Added a new MPI_WIN_LOCK_WAIT call that blocks till the lock is
>> acquired for using shared memory regions with load/store capabilities
>> within a window.
>>
>> I haven't added the MPI_WIN_ALLFLUSHALL call yet.
>>
>>   -- Pavan
>>
>> --
>> Pavan Balaji
>> http://www.mcs.anl.gov/~balaji
>> <one-side-2.pdf><ATT00001..txt>
>
> William Gropp
> Deputy Director for Research
> Institute for Advanced Computing Applications and Technologies
> Paul and Cynthia Saylor Professor of Computer Science
> University of Illinois Urbana-Champaign
>
>
>
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji