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