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Todo: a few words about floedyn ...

For more information, please visit the FloeDyn documentation.

Download and install

Prerequisites

  • python3
  • C++ compiler
  • gmp
  • boost, boost_system, boost_program_options (works for 1.72, fails for 1.75, to be investigate ...)
  • eigen
  • matio
  • hdf5 (c++)
  • cgal
  • mpfr
  • cereal

Get sources

> git clone [email protected]:FloeDynHub/FloeDyn.git

Configure

Assuming that <source_dir> is the path to the Floe_Cpp repository Run:

> cd <source_dir>
> python3 ./waf configure --prefix=<where-you-want-to-install>

Results:

  • Creates a build directory
  • Inspects your system to check if all dependencies are satisfied
  • Generates (in build) all files required to build and install the project

By default, waf looks for dependencies in /usr/. To specify another location (e.g. on clusters using guix or nix), try

> python3 ./waf configure --prefix=<where-you-want-to-install> --default-search-path=<other-path>
# eg --default-search-path=$GUIX_PROFILE on Luke or Dahu

More about waf: https://waf.io/apidocs/tutorial.html

Build

> python3 ./waf --target FLOE -v
# -v is verbose mode, optional
# use --target FLOE_MPI for the parallel version

Execute

mpirun -np 2 <path-to>/build/FLOE_MPI -i <input.h5> -t <nb_time_steps>

Some h5 files are available in Floe_Cpp/io/inputs/.

Build and install on Gricad clusters

Install all dependencies using guix inside a 'floedyn' profile:

source /applis/site/guix-start.sh
guix package  -m ./Floe_Cpp/manifest_floedyn.scm -p $GUIX_USER_PROFILE_DIR/floedyn

Or work inside a guix environment

source /applis/site/guix-start.sh
guix environment  -m ./Floe_Cpp/manifest_floedyn.scm --pure

Configure and build floedyn

In both case, use the same process as described above (waf configure and so on) with the --default-search-path=$GUIX_PROFILE option.

Execute

An example of a oar script is given in run_simu.sh.

Try

oarsub -S "./run_simu.sh $HOME/Floe_Cpp/io/inputs/in_single_small_floe.h5 20"