[petsc-users] CG+GAMG convergence issues in GHEP Krylov-Schur for some MPI runs

Mark Adams mfadams at lbl.gov
Tue Nov 24 14:31:06 CST 2015


On Tue, Nov 17, 2015 at 1:38 AM, Denis Davydov <davydden at gmail.com> wrote:

> Hi Mark,
>
> > On 12 Nov 2015, at 21:16, Mark Adams <mfadams at lbl.gov> wrote:
> >
> > There is a valgrind for El Capitan now and I have it.  It runs perfectly
> clean.
> Do you compile it yourself or use  Homebrew / MacPorts?
>

Sorry for the delay.  I ended up downloading it, but Homebrew works also
(now, I think it did not work and I had to download it).

Note, the web site said El Capitan support was partial so I don't know if
they cover everything now.


> I always seem to have some noise it valgrind at least from OpenMPI (even
> with suppression file),
> perhaps it’s better with MPICH.
>
> Kind regards,
> Denis
>
>
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