It can definitely wait. It's just one of the things I saw as I'm working
on optimizing that system...
Derek
On Friday, January 24, 2014, Kirk, Benjamin (JSC-EG311) <
benjamin.k...@nasa.gov> wrote:
> If I read it right, all we need is a gather_packed_range, and the rest
> should be easy… I'll create an issue, can this wait until Monday+ for
> implementation?
>
>
> On Jan 24, 2014, at 8:09 PM, Derek Gaston <fried...@gmail.com<javascript:;>
> >
> wrote:
>
> > Awesome Ben - that's what I was thinking. I appreciate you taking a
> look...
> >
> > Detek
> >
> > On Friday, January 24, 2014, Kirk, Benjamin (JSC-EG311) <
> benjamin.k...@nasa.gov <javascript:;>> wrote:
> > On Jan 24, 2014, at 4:32 PM, Derek Gaston <fried...@gmail.com<javascript:;>>
> wrote:
> >
> > > We utilize this in the output system when we're trying to output a
> ParallelMesh using a serial format (like Exodus). In that case we really
> don't need the mesh on _every_ processor.... only on processor 0.
> > >
> > > It would be better to use something like
> MeshCommunication::localize_to_one() to bring the mesh down to processor 0
> and output it then get rid of the remote elements again (like what
> MeshSerializer does, but not all-to-all).
> > >
> > > Does that make sense to you guys?
> > >
> > > I understand that we shouldn't really be using a serial output format
> with ParallelMesh... but there are times when it's going to happen so no
> reason to be so wasteful ;-)
> >
> > I'd say then we need a MeshCommunication::gather(proc_id root_id) or
> something, which can gather to any rank. I'll have a look at all gather
> and see if it could be generalized - perhaps it would be easy to have one
> implementation where the default value is an invalid proc_id and the
> behavior is allgather, but an optional input could control the rank that
> gathers?
> >
> > -Ben
> >
> >
> >
> > --
> > Sent from my iPhone
>
>
--
Sent from my iPhone
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