[Mpi-forum] [Mpi3-rma] [EXTERNAL] Re: Disp_unit in allocate_shared should be returned by win_shared_query?

Rolf Rabenseifner rabenseifner at hlrs.de
Sun Jul 22 12:16:03 CDT 2012


I'll come back to the technical discussion in a few minutes
with a proposal based on Brian's technical argument:

On Wed, Jul 18, 2012 at 08:11:23PM +0000, Barrett, Brian W wrote:
> I'm concerned with the change (and don't think it should happen 
at this point, as I want to be able to tell other people their 
changes are too big).  It's probably not another O(p) structure, 
since a process will have to know the other rank's disp_unit to 
do the memcpy during the communication operations, so we crossed 
the O(p) bridge when we added disp_unit to allocate_shared.

Rolf

----- Original Message -----
> From: "Torsten Hoefler" <htor at illinois.edu>
> To: "Bronis R. de Supinski" <bronis at llnl.gov>
> Cc: "Main MPI Forum List" <mpi-forum at lists.mpi-forum.org>, "MPI 3.0 Remote Memory Access working group"
> <mpi3-rma at lists.mpi-forum.org>
> Sent: Sunday, July 22, 2012 7:07:45 PM
> Subject: Re: [Mpi3-rma] [EXTERNAL] Re: Disp_unit in allocate_shared should be returned by win_shared_query?
> On Sun, Jul 22, 2012 at 10:10:36AM -0700, Bronis R. de Supinski wrote:
> >
> > Internal consensus cannot include changes to the approved branch.
> Again, the changes were approved by the Forum and they are still
> committed.
> 
> Torsten
> 
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-- 
Dr. Rolf Rabenseifner . . . . . . . . . .. email rabenseifner at hlrs.de
High Performance Computing Center (HLRS) . phone ++49(0)711/685-65530
University of Stuttgart . . . . . . . . .. fax ++49(0)711 / 685-65832
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