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

[Satish Balay]

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
>