On Thu, Mar 30, 2017 at 9:20 AM, Buesing, Henrik <HBuesing@eonerc.rwth-aachen.de> wrote:
> >
> > Is there a simple thing we can do to shut this off for testing? He is
> > on a cluster I believe.
>
> I think, do:
>
> from firedrake import *
> parameters["coffee"]["optlevel"] = "O0"
> parameters["pyop2_options"]["opt_level"] = "O0"
>
> YOUR CODE HERE
>
> (Yes, this is terrible, WIP to create only one place you have to set this)
>
> This will turn off the coffee transformations.  In the general case, you don't
> want to do this, but if you're attempting to weak scale a fieldsplit solve, it
> probably won't have a big effect.
>

Maybe I rather want a firedrake reinstall with PETSc configure option --download-mpich? Or will this not fully replace the OpenMPI with MPICH?

@Matt: I assume, you are using MPICH?

Yes.

  Thanks,

     Matt

--
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