[petsc-users] PETSc with 64 bit integer

Jed Brown jedbrown at mcs.anl.gov
Wed May 30 10:58:20 CDT 2012


On Wed, May 30, 2012 at 10:52 AM, Keita Teranishi <keita at cray.com> wrote:

>  Hi,****
>
> ** **
>
> Is there any requirement for BLAS/LAPACK to install PETSc with 64-bit
> integer option?
>

No, PETSc distinguishes between PetscInt and BLAS ints (PetscBLASInt in the
source).


> ****
>
> ** **
>
> Thanks,****
>
> ====================================****
>
> Keita Teranishi****
>
> Scientific Library Group****
>
> Cray Inc.****
>
> keita at cray.com****
>
> ======================================****
>
> ** **
>
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