xDSL

ExaHyPE uses xDSL to construct its compute kernel, i.e. to construct a code-specific stencil language. This particularly branch can be found on GitHub at https://github.com/xdslproject/ExaHyPE. Even though ExaHyPE uses xDSL ideas, you don't need the whole software stack. If you are satifsfied with default (slow) compute kernels, you can work with a minimalist kernel generator which mimicks xDSL's API but lacks its functionality. ExaHyPE remains stand-alone.

We maintain this minimalist API within the xDSL project and copy the key files over into ExaHYPE: What we ship is a copy of a few files that are absolutely mandatory and have been developed within xDSL to faciliate the connection to xDSL. All the further optimisations that arose due to using xDSL are contributions directly into xDSL, i.e. exclusively maintained there. To update the present version

cd python/exahype2/kerneldsl/api
git clone https://github.com/xdslproject/ExaHyPE.git ExaHyPE-xDSL
cp ExaHyPE-xDSL/exahype/KernelBuilder.py .
cp ExaHyPE-xDSL/exahype/TypedFunction.py .
cp ExaHyPE-xDSL/exahype/printers/CPPPrinter.py printers
cp ExaHyPE-xDSL/exahype/printers/CodePrinter.py printers
rm -rf ExaHyPE-xDSL

Please note that xDSL requires Python 3.10 or newer. Due to xDSL, you also have to install the typing-extensions:

pip3 install PyPI typing-extensions