[Mpi3-rma] mpi3-rma post from bradc at cray.com requires approval

[Underwood, Keith D]

I'll contribute to that when I am on a more stable internet connection ;-)

Keith

> -----Original Message-----
> From: mpi3-rma-bounces at lists.mpi-forum.org [mailto:mpi3-rma-
> bounces at lists.mpi-forum.org] On Behalf Of William Gropp
> Sent: Sunday, May 30, 2010 11:04 AM
> To: MPI 3.0 Remote Memory Access working group
> Cc: 'bradc at cray.com'
> Subject: Re: [Mpi3-rma] mpi3-rma post from bradc at cray.com requires
> approval
> 
> I'd like to get all of the various claims and constraints documented
> in one place.  I've created a page on the wiki into which we should
> place these constraints, along with the reference. That page is
> 
> https://svn.mpi-forum.org/trac/mpi-forum-web/wiki/mpi3-rma-goals-and-
> constraint
> 
> The rule for this page is that the statement should be concise and
> precise and they should not claim that one approach is better than
> another.  Feel free to add additional top-level items.  I'm fully
> aware that the intersection of these requirements may produce the null
> set; in fact, I think that is part of the problem.  Putting a summary
> on the web page, rather than in these email exchanges, will help us
> move forward.
> 
> Bill
> 
> On May 30, 2010, at 8:05 AM, Underwood, Keith D wrote:
> 
> > Well, when Jeff and Bill successfully argued against a definition
> > for atomicity of access for conflicting accesses beyond "undefined",
> > we lost direct support for the UPC memory model.  After that, I no
> > longer cared about ordering and Jeff was still arguing vehemently
> > against ordering, so my understanding was that we had dropped
> > ordering.  I am not sure why we would support ordering without an
> > access granularity definition.
> >
> > Keith
> >
> >
> > ----- Original Message -----
> > From: mpi3-rma-bounces at lists.mpi-forum.org <mpi3-rma-
> bounces at lists.mpi-forum.org
> > >
> > To: MPI 3.0 Remote Memory Access working group <mpi3-rma at lists.mpi-
> forum.org
> > >
> > Cc: Brad Chamberlain <bradc at cray.com>
> > Sent: Sat May 29 22:38:03 2010
> > Subject: Re: [Mpi3-rma] mpi3-rma post from bradc at cray.com requires
> > approval
> >
> >
> > On 05/29/2010 06:24 AM, Underwood, Keith D wrote:
> >> 1) Ordering:
> >> 	a) Ordered from a given source to a given address on a given
> >> target (unordered otherwise), or
> >> 	b) completely unordered
> >
> > My understanding was that we were providing both 1a and 1b. Or
> rather,
> > MPI-2 already gives 1b, and we are proposing 1a together with it (not
> > instead of it).
> >
> >  -- Pavan
> >
> > --
> > Pavan Balaji
> > http://www.mcs.anl.gov/~balaji
> > _______________________________________________
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> > mpi3-rma at lists.mpi-forum.org
> > http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma
> >
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> 
> 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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