[petsc-users] MatMatSolve in sequential call

[Alexander Grayver]

On 21.08.2012 22:37, Matthew Knepley wrote:
> I was wrong, this is not nonsense. However, for curl curl the null 
> space grows with matrix dimension, and
> as far as I can tell from the slides, the null space determination is 
> not scalable (Jack correct me if I am wrong).
> Also, they gave no timings, so I suspect null space determination is slow.
>
> I don't think any other LU we have will do this, so if you have null 
> spaces you are stuck with MUMPS.

PARDISO can do this as well.


-- 
Regards,
Alexander