[Petsc-trilinos-discussion] Scope and requirements

[Bartlett, Roscoe A.]

That is a great place to start.  Where are these use cases going to be documented?  Is there a wiki somewhere that can be used?  I guess there is always Google Docs.

-Ross

> -----Original Message-----
> From: Lois Curfman McInnes [mailto:curfman at mcs.anl.gov]
> Sent: Wednesday, November 20, 2013 2:58 PM
> To: Bartlett, Roscoe A.
> Cc: 'Heroux, Michael A'; petsc-trilinos-discussion at lists.mcs.anl.gov
> Subject: Re: [Petsc-trilinos-discussion] Scope and requirements
> 
> 
> Ross --
> 
> Mike and I had an opportunity to talk briefly today in Denver.    One idea we
> discussed as a possible starting point to better understand user
> requirements is similar to what you suggest -- surveying applications that
> already use both PETSc and Trilinos to learn about their approaches,
> capabilities used, challenges, wish list of what would make their work easier,
> etc.
> 
> Lois
> 
> On Nov 20, 2013, at 12:01 PM, "Bartlett, Roscoe A." <bartlettra at ornl.gov>
> wrote:
> 
> > Mike,
> >
> > It might to facilitate the discussion if someone could construct a set of
> example use cases involving Trilinos and PETSc and demonstrate the
> problems associated with the status quo (which is very little coordination,
> common or compatible interfaces, etc.).  Have there been real application
> codes, university students, etc. that have complained or lamented that they
> have to chose Trilinos or PETSc and see a large investment in switching back
> and forth?  Note that a lot of application codes support Trilinos and PETSc
> data structures and solvers and can switch back and forth with just switches
> in their input files.  Obviously they have to do a lot of work to make this
> possible but they do it.  Are any of these people represented on this main
> list?
> >
> > Also, if we are really serious about this, a mail list may not be sufficient for
> driving progress at some point.
> >
> > -Ross
> >
> >> -----Original Message-----
> >> From: petsc-trilinos-discussion-bounces at lists.mcs.anl.gov [mailto:petsc-
> >> trilinos-discussion-bounces at lists.mcs.anl.gov] On Behalf Of Heroux,
> Michael
> >> A
> >> Sent: Wednesday, November 20, 2013 1:46 PM
> >> To: petsc-trilinos-discussion at lists.mcs.anl.gov
> >> Subject: [Petsc-trilinos-discussion] Scope and requirements
> >>
> >> It seems to me that we should start this discussion with scope and
> >> requirements.
> >>
> >> What needs are we addressing?  What are the requirements?
> >>
> >> Are we restricting our efforts to solvers?  Linear, nonlinear, eigen,
> transient,
> >> more?
> >>
> >> What usage models are we supporting?
> >>
> >> Mike
> >> _______________________________________________
> >> Petsc-trilinos-discussion mailing list
> >> Petsc-trilinos-discussion at lists.mcs.anl.gov
> >> https://lists.mcs.anl.gov/mailman/listinfo/petsc-trilinos-discussion
> > _______________________________________________
> > Petsc-trilinos-discussion mailing list
> > Petsc-trilinos-discussion at lists.mcs.anl.gov
> > https://lists.mcs.anl.gov/mailman/listinfo/petsc-trilinos-discussion