[petsc-users] Parallel output in PETSc with pHDF5 and VTK

[Buesing, Henrik]

> >> >>> Can PETSc use parallel HDF5?
> >> >> Yeah, the implementation is in VecView_MPI_HDF5_DA and uses
> >> >> H5FD_MPIO_COLLECTIVE if supported.  Did you build your HDF5 with
> >> MPI?
> >> >
> >> > I just --download-hdf5. Do I need to do something else?
> >>
> >> That should configure it with whichever MPI PETSc is using.  How are
> >> you concluding that it's only using rank 0?
> >
> > I have to ask back to the person working on the parallel IO. But if built and
> linked correctly, it should work in parallel with PETSCViewerHDF5Open and
> VecView?
> 
> Yes.
Awesome! Thank you!
Henrik