[petsc-users] Error with parallel solve

Balay, Satish balay at mcs.anl.gov
Mon Apr 8 14:39:37 CDT 2019

On Mon, 8 Apr 2019, Manav Bhatia via petsc-users wrote:

> > On Apr 8, 2019, at 2:19 PM, Stefano Zampini <stefano.zampini at gmail.com> wrote:
> > 
> > You can circumvent the problem by using a sequential solver for it. There's a command line option in petsc as well as API that allows you to do so. -mat_mumps_icntl_13 1
> Stefano, 
>   Do you know if there is a performance penalty to using this option as opposed to fixing it with the patch? 

If would suggest first trying both the fixes if see either of them work for you.


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