[petsc-users] use MATSEQAIJMKL in 64-bit indices

[Di Miao]

Thanks, it worked.

Di

On Fri, Oct 20, 2023 at 1:52 PM Satish Balay <balay at mcs.anl.gov> wrote:

> Try using the additional option --with-64-bit-blas-indices=1
>
> Satish
>
> On Fri, 20 Oct 2023, Di Miao wrote:
>
> > Hi,
> >
> > I found that when compiled with '--with-64-bit-indices=1' option, the
> > following three definitions in petscconf.h will be removed:
> >
> > #define PETSC_HAVE_MKL_SPARSE 1
> > #define PETSC_HAVE_MKL_SPARSE_OPTIMIZE 1
> > #define PETSC_HAVE_MKL_SPARSE_SP2M_FEATURE 1
> >
> > I believe mkl can also use 64-bit indices (libmkl_intel_ilp64). I tried
> to
> > add ' --with-mkl_sparse=1 --with-mkl_sparse_optimize=1' into
> configuration
> > but does not succeed.
> >
> > Would I know if it is possible to use MATSEQAIJMKL matrix type in 64-bit
> > mode?
> >
> > Regards,
> > Di
> >
>
>
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