[petsc-users] Cholesky matrix factorization

[Barry Smith]

On Sep 8, 2012, at 6:33 PM, Umut Tabak <u.tabak at tudelft.nl> wrote:

> On 09/09/2012 12:30 AM, Barry Smith wrote:
>>    We don't have an interface for just the forward solve for the MUMPS from PETSc. If MUMPS provides separate routines for forward and backward solve (check the mumps documentation)
>> let us know and we'll add the forward and backward solve for our MUMPS interface.
> As far as I know, MUMPS does not store the factors transparently so that any user can do forward backward substitution with them.
> You can also check MUMPS list, there were similar questions like this before
> BR,
> Umut

    Thanks


   Perhaps SuperLU_Dist or PasTix has this support. If someone tells us the calling sequences to do the two parts separately we'll add support for it.

   Note you can do this for sequential PETSc factorizations.

   Barry