[petsc-dev] who ever broke next with DMCreateDomainDecomposition_DA stuff please fix

[Matthew Knepley]

On Mon, Sep 15, 2014 at 2:11 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>   Whoever broke
>
> > [1]PETSC ERROR: #1 DMCreateDomainDecomposition_DA() line 425 in
> /sandbox/petsc/petsc.clone/src/dm/impls/da/dadd.c
> > Configure options --with-debugging=1 --download-f2cblaslapack=1
> --with-precision=__float128 --with-clanguage=cxx --with-debugging=0
> --with-no-output -PETSC_ARCH=arch-linux-opt-cxx-quad
> -PETSC_DIR=/sandbox/petsc/petsc.clone
> > [2]PETSC ERROR: #1 DMCreateDomainDecomposition_DA() line 425 in
> /sandbox/petsc/petsc.clone/src/dm/impls/da/dadd.c
> > Configure options --with-debugging=1 --download-f2cblaslapack=1
> --with-precision=__float128 --with-clanguage=cxx --with-debugging=0
> --with-no-output -PETSC_ARCH=arch-linux-opt-cxx-quad
> -PETSC_DIR=/sandbox/petsc/petsc.clone
> > [3]PETSC ERROR: #1 DMCreateDomainDecomposition_DA() line 425 in
> /sandbox/petsc/petsc.clone/src/dm/impls/da/dadd.c
> > [3]PETSC ERROR: #2 DMCreateDomainDecomposition() line 1357 in
> /sandbox/petsc/petsc.clone/src/dm/interface/dm.c
>
>
> http://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2014/09/15/examples_next_arch-linux-opt-cxx-quad_cg.log
>
> please fix it! It has been broken for a while now.
>

I am not completely sure it was doing what we expect in the first place,
and I think the interface is
bad and does not generalize to unstructured. I want to fix it (fairly
badly), but I got sidetracked on
things that people are demanding. Its fine with me if we revert that branch
from next, but I did not
think anyone was looking at this.

  Thanks,

     Matt


>    Thanks
>
>     Barry
>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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