[petsc-dev] [petsc-users] MatTransposeMatMult ends up with an MPI error

[Barry Smith]

On Oct 17, 2012, at 4:43 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Wed, Oct 17, 2012 at 4:31 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> Well if it always happens with OpenMPI then you should just turn off one-sided for Open MPI?
> 
> Sure, but we have to remember to remove the check when/if they fix the bug.
> 
> It's kinda like deciding whether something will work based on the current username or name of a compiler. It's not what we usually do which is to test for features.

  I agree but if you start using SF in "normal" parts of PETSc OpenMPI is constantly going to cause these emails and that annoys both users and us; better to just turn off one-sided for OpenMPI and you can have configure report that in a nice box if you like.

   Barry