On Wed, May 27, 2020 at 12:09 AM Drew Parsons <dpars...@debian.org> wrote:
> On 2020-05-24 10:01, Drew Parsons wrote: > > On 2020-05-23 23:45, Satish Balay wrote: > >> > >> One more issue: Most externalpackages don't support 64bit-indices. > ... > >> We haven't tried using MUMPS in this mode with PETSc > > > > This will be the interesting test. I'll start with the 64-bit build of > > MUMPS and see how tests hold up. > > > The PETSc mumps tests seem to be robust with respect to 64 bit. > (64 bit MUMPS in the form of -DPORD_INTSIZE64, not all-integer > -DINTSIZE64) > > That is, 32 bit PETSc passes its tests with 64 bit (PORD) MUMPS > and 64 bit PETSc passes its tests with 32 bit MUMPS. > > The test in question that's passing is src/snes/tutorials/ex19, run with > 'make runex19_fieldsplit_mumps' > Perhaps it's not stress-testing 64 bit conditions. > Could you provide more details, e.g., the error stack trace? > > Drew >
