Mark, Why a no-mpi build on Fugaku?
Kokkos Kernels + OMP barfed and Kokkos suggested gcc. There does not seem to be an MPI for GCC here.
Toby - there is one more issue with p4est - build error when using --with-batch=1
Attaching configure.log
Satish
On Fri, 16 Apr 2021, Isaac, Tobin G wrote:
> p4est has a mode where it can compile without MPI, I don't know if PETSc is using it, will check.
>
> ________________________________________
> From: petsc-dev <petsc-dev-bounces@mcs.anl.gov> on behalf of Mark Adams <mfadams@lbl.gov>
> Sent: Friday, April 16, 2021 10:23
> To: For users of the development version of PETSc
> Subject: [petsc-dev] p4est w/o MPI
>
> I don't have MPI (Fugaku w/ gcc) and p4est seems to need it. Is there a work around?
> Thanks,
> Mark
>