[petsc-users] question about installing petsc3.11

[Balay, Satish]

--with-64-bit-indices=1 => PetscInt = int64_t
--known-64-bit-blas-indices=1 => blas specified uses 64bit indices.

What is your requirement (use case)?

Satish

On Fri, 20 Sep 2019, Povolotskyi, Mykhailo via petsc-users wrote:

> Does it mean I have to configure petsc with --with-64-bit-indices=1 ?
> 
> On 09/20/2019 03:41 PM, Matthew Knepley wrote:
> On Fri, Sep 20, 2019 at 1:55 PM Povolotskyi, Mykhailo via petsc-users <petsc-users at mcs.anl.gov<mailto:petsc-users at mcs.anl.gov>> wrote:
> Hello,
> 
> I'm upgrading petsc from 3.8 to 3.11.
> 
> In doing so, I see an error message:
> 
>   UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for details):
> -------------------------------------------------------------------------------
> Cannot use SuperLU_DIST with 64 bit BLAS/Lapack indices
> *******************************************************************************
> 
> I wonder why this configuration step worked well for 3.8?  I did not
> change anything else but version of petsc.
> 
> This never worked. We are just checking now.
> 
>   Thanks,
> 
>     Matt
> 
> Thank you,
> 
> Michael.
> 
> 
> 
> --
> What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
> -- Norbert Wiener
> 
> https://www.cse.buffalo.edu/~knepley/<http://www.cse.buffalo.edu/%7Eknepley/>
> 
>