MueLu: migrate HHG driver to Xpetra
Created by: mayrmt
Epetra stack to
Xpetra is to much trouble).
The MueLu/HHG driver in
packages/muelu/research/mmayr/composite_to_regions/src/main.cpp is fully implemented using the old
Motivation and Context
@lucbv's performance improvements for structured grid's rely on Kokkos. To enable them in the HHG driver, we need to migrate the driver at least to
Tpetra. Let's try to use
Xpetra for better MueLu compatibility.
Definition of Done
Completely switch from
Tpetraas fall back)
Update CMake dependencies accordingly
Epetra stuff by corresponding