[petsc-users] parallel ILU

Matt Knepley knepley at gmail.com
Mon Feb 15 12:45:42 CST 2010

ILU(k) was never in Blocksolve, just ilu(0). Also, Blocksolve is no  
longer supported. You can try Euclid from the Hypre package at LLNL.  
Configure can download Hypre for you.


 From the phone

On Feb 15, 2010, at 9:45 AM, Craig Tanis <craig-tanis at utc.edu> wrote:

> Hi,
> I'm trying to get ILU(k) preconditioning to work with an MPIBAIJ  
> matrix.  It appears that I need to use an MPIAIJ matrix and that I  
> also need to build petsc with the blocksolve95 interface (though  
> some google searches suggest that this was removed in Petsc 2?).
> 1) Should I be able to replace a call to  MatCreateMPIBAIJ with a  
> sequence of  MatCreateMPIAIJ and MatSetBlockSize?
> 2) Is blocksolve95 still necessary, and if so where can one download  
> it? It appears to have moved from it's original location on the mcs.anl.gov 
>  site.
> It is possible to do ILU-k preconditioning on an MPI matrix, right?
> Thanks!
> Craig Tanis

More information about the petsc-users mailing list