PSyclone ======== `PSyclone `__ is a Python-based domain-specific compiler and code transformation system for Earth-system models written in Fortran. It plays a key role in the Met Office's next-generation weather model `LFRic `__ and can be used to transform code according to user-provided transformation specifications. Major contributions """"""""""""""""""" * Tools for streamlining tree traversal such as introducing the concept of 'sibling' nodes. * Functionality for more OpenACC GPU porting concepts such as `gang` and `vector` clauses. Projects """""""" .. toctree:: :maxdepth: 1 UKCA GPU port