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INSTALL.md

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Installing DALES

Packages are available at https://github.com/dalesteam/dales If git is installed, the best way to obtain DALES is with:

git clone https://github.com/dalesteam/dales.git For updates you can then just use the command

git pull origin master

Then follow the following instructions:

cd dales 
mkdir build 
cd build 
cmake ..
make
# make install # optional

This should provide the dales4 binary in the build/src directory. New builds can be made by make in the build directory. The documentation is built by typing make docs in the build directory.

Optimization and tuning

Before cmake, one can execute

export SYST=gnu-fast

which triggers compilation with more aggressive optimization options, in particular -Ofast and -march=native. Other pre-defined sets of compilation options are included in the file CMakeLists.txt.

ALTERNATIVE BUILDS

One can change between release and debug options by invoking commandline options of cmake:

cmake -DCMAKE_BUILD_TYPE="DEBUG" ..

or "RELEASE", if that is the build-type desired. Various case specific routines can be found in de dales/case/ and are built by invoking

cmake -DCASE="<casename>"

where <casename> could be something like "rico". Regardless of the case built, the standard DALES runs are always possible (and default).

DEPENDENCIES

Dependencies of DALES are

  1. MPI (the only obligatory one)
  2. NetCDF (optional)
  3. CMake (alternatively, the old makefile icw makedepf90 still works)
  4. Doxygen, DOT and LaTeX for building the documentation

See also the installation notes in the DALES wiki for further notes on specific systems.