[petsc-dev] p4est w/o MPI

[Mark Adams]

Should I just add -DPETSC_HAVE_MPIUNI and the add (as needed):

#if defined(PETSC_HAVE_MPIUNI)
#  include <petsc/mpiuni/mpi.h>
#else
#  include <mpi.h>
#endif

On Fri, Apr 16, 2021 at 10:26 AM Matthew Knepley <knepley at gmail.com> wrote:

> You would have to
>
> 1) Modify p4est to use mpiuni.h
>
> 2) Fix MPIUNI until p4est works with it
>
> 3) Fixup the p4est modification to be done in configure
>
>   Matt
>
> On Fri, Apr 16, 2021 at 10:23 AM Mark Adams <mfadams at lbl.gov> wrote:
>
>> I don't have MPI (Fugaku w/ gcc) and p4est seems to need it. Is there a
>> work around?
>> Thanks,
>> Mark
>>
>
>
> --
> 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/~knepley/>
>
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