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Subject: Re: [OMPI users] MPI 2 support in sm btl
From: Sabela Ramos Garea (sabelaraga_at_[hidden])
Date: 2011-12-28 08:58:16


Thanks for your answers.
Is there a similar issue with mx BTL? I mean, using the mx BTL, is it
possible to reach a parent job from a spawned process?

Thanks again! :-)

El 16 de diciembre de 2011 15:08, Jeff Squyres <jsquyres_at_[hidden]>escribió:

> On Dec 14, 2011, at 4:01 PM, Ralph Castain wrote:
>
> >> As far as I know, there is no support for some MPI-2 features in the
> shared memory BTL as dynamic process creation or port connection. Are you
> planning to include this support?
> >
> > It depends on what exactly you mean. Dynamically spawned processes do
> use the shared memory BTL between themselves, but not with the processes in
> their parent job. We plan to support that as well at some future time.
>
> ...when enough people ask for it. :-)
>
> We've talked about supporting this for a long time, but to be blunt, there
> hasn't been enough demand for it to justify spending the time to figure out
> all the issues and implement it properly. :-(
>
> Patches would be welcome, though! :-)
>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to:
> http://www.cisco.com/web/about/doing_business/legal/cri/
>
>
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