Pyfr

New Features:

* Added native HIP backend for targeting AMD GPUs.
* Rewritten CUDA backend which no longer depends on PyCUDA.
* Updated defaults for CUDA backend to improve out of the box performance.

New Features:

- Added support for writing specific regions of the domain to disk.
- Fixed statistics collection for dual time stepping integrators.

New Features:

- Improved strong scaling.
- Added support for Gmsh v4.1.
- Fixed performance issue with OpenCL backend.

New Features:

- Added support for CLBlast.
- Added support for Gmsh v4.
- Added the optimal Runge-Kutta schemes of Vermeire et al. for pseudo time-stepping.

New Features:

- Added locally adaptive pseudo-time-stepping.
- Added Riemann invariant boundary condition for artificial compressibility systems.

New Features:

- Bug fixes in OpenCL backend.
- Bug fixes in parallel HDF5 writer.