[petsc-dev] forget about libmpiuni completely

Lisandro Dalcin dalcinl at gmail.com
Wed Feb 17 11:12:08 CST 2010

On 17 February 2010 13:38, Matthew Knepley <knepley at gmail.com> wrote:
> I do not think this handles the situation for libraries. I write a library.
> It is
> supposed to work with lots of stuff, including PETSc. I put in mpi.h, which
> is completely reasonable. Then the user of the library wants to use mpiuni.

Well, I cannot buy that a user REALLY want to use mpiuni, as it is not
even a true serial MPI alternative...

> This works now, but would break in your model.

That's a valid point (but from a developer POV, not from a user POV, IMHO)

> I still much prefer a separate package. It think it is cleaner, unambiguous
> what is happening, and would allow someone not as lazy as us to do a full
> serial MPI.

Like mpi-serial, from http://www.mcs.anl.gov/research/projects/mct/ ??

Do you think that it is work the effort to integrate it in PETSc,
provided that mpiuni already serves (well?) PETSc requeriments?

Lisandro Dalcin
Centro Internacional de Métodos Computacionales en Ingeniería (CIMEC)
Instituto de Desarrollo Tecnológico para la Industria Química (INTEC)
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
PTLC - Güemes 3450, (3000) Santa Fe, Argentina
Tel/Fax: +54-(0)342-451.1594

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