[petsc-dev] [petsc-users] Bad memory scaling with PETSc 3.10

[Matthew Knepley]

On Thu, Mar 28, 2019 at 11:07 AM Victor Eijkhout <eijkhout at tacc.utexas.edu>
wrote:

> On Mar 27, 2019, at 8:30 AM, Matthew Knepley <knepley at gmail.com> wrote:
>
> I think Satish now prefers
>
>   --with-cc=${MPICH_HOME}/mpicc --with-cxx=${MPICH_HOME}/mpicxx
> --with-fc=${MPICH_HOME}/mpif90
>
>
> That still requires with-mpi:
>
>
> *******************************************************************************
>          UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for
> details):
>
> -------------------------------------------------------------------------------
> Did not find package MPI needed by PTScotch.
> Enable the package using --with-mpi
>
> *******************************************************************************
>
> Makes sense, actually, but I ran into it.
>

You are right. I forgot we changed the default, which used to be
--with-mpi=1, to =0.

  Thanks,

    Matt


> Victor.
>
>

-- 
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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