[Mpi3-hybridpm] Better Forum INIT/FINALIZE slides

[Jeff Squyres (jsquyres)]

I made a few more edits while Brian/Jim/Keith/Pavan are still arguing.  :-)

Here's a new copy...





On Jul 29, 2013, at 12:32 PM, Jeff Squyres <jsquyres at cisco.com>
 wrote:

> Here's a new copy of the slides; if we have time today, we can discuss.
>
> I took all feedback, except I disagreed with Steve's #5 and #8.
>
>
>
> On Jul 17, 2013, at 9:22 AM, Pavan Balaji <balaji at mcs.anl.gov> wrote:
>
> > Jeff,
> >
> > Some comments --
> >
> > 1. Slide 2: The main goals need to be rephrased.  The goals are to overcome limitations while using MPI in stacked and threaded libraries.  For stacked libraries, the single INIT/FINALIZE limitation requires each library to have global knowledge on who else is using MPI.  For threaded libraries, there are race conditions.
> >
> > 2. Slide 5: Sorry, I missed this earlier.  I'm not in favor of changing the current definitions of IS_INITIALIZED and IS_FINALIZED.  Better to deprecate them and add MPI_IS_WITHIN_EPOCH.
> >
> > 3. Slide 10: I don't think we agreed that the requested level will be ignored by subsequent calls.  That's a quality of implementation issue.
> >
> > 4. Slide 15: We can say that our current stand is to remove that restriction that the "main thread" needs to finalize.
> >
> > Btw, I've requested for plenary time.
> >
> > -- Pavan
> >
> > On 07/15/2013 12:45 PM, Jeff Squyres (jsquyres) wrote:
> >> Here's a better cut of slides that are more Forum-friendly.
> >>
> >> Comments welcome.
> >>
> >> (Pavan: I'm correct in thinking that you're getting plenary time from Martin for this, right?)
> >>
> >>
> >>
> >> _______________________________________________
> >> Mpi3-hybridpm mailing list
> >> Mpi3-hybridpm at lists.mpi-forum.org
> >> http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-hybridpm
> >>
> >
> > --
> > Pavan Balaji
> > http://www.mcs.anl.gov/~balaji
>
>
> --
> Jeff Squyres
> jsquyres at cisco.com
> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
>
> <init-finalize-issues-for-forum.pptx>


--
Jeff Squyres
jsquyres at cisco.com
For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/

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