AIJ and BAIJ convertion

Satish Balay balay at mcs.anl.gov
Tue May 5 10:18:29 CDT 2009


This is assuming MatCreate() is used - not MatCreateMPIAIJ()..

Satish

On Tue, 5 May 2009, Hong Zhang wrote:

> 
> Run your code with the option
> '-mat_type baij -mat_block_size 6'
> You can use '-mat_view_info' to varify the matrix type
> that is actually used.
> 
> Hong
> 
> On Tue, 5 May 2009, SUN Chun wrote:
> 
> > Hi,
> > 
> > I created a matrix with AIJ format. I knew the structure of this matrix
> > should also fit BAIJ type with some certain block size (say 6). Now instead
> > of creating another BAIJ matrix then fill in the values again, do I have an
> > easier way to convert this AIJ matrix to BAIJ matrix with given block size?
> > I'm willing to allocate another memory for the new matrix.
> > 
> > Thanks,
> > Chun
> > 
> 



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