Spack Installation (CASSIOPEE)

Spack Installation (CASSIOPEE)#

This procedure was used to install FEniCSx on the HPC Cassiopee (RED HAT Enterprise Linux 8.10).

  • Get version 0.23.0 of spack:

wget https://github.com/spack/spack/releases/download/v0.23.0/spack-0.23.0.tar.gz

  • untar the archive:

tar -xf spack-0.23.0.tar.gz

  • Optional: disable the local configuration of spack (current user home directory). Useful if you have multiple versions of spack

export SPACK_DISABLE_LOCAL_CONFIG=true

  • activate spack:

cd spack-0.23.0
source ./share/spack/setup-env.sh

  • add system compiler to spack (need to be installed in your os):

spack compiler find

  • optional: add a decent compiler (useful if you have an old distribution) and add it as compiler to spack:

spack install gcc@12
spack compiler find $(spack location -i gcc@12)

  • create a spack environment (useful if you want to load several packages at one time):

spack env create MyFenicsxEnv

  • activate the environment, add some packages, and install them:

spack env activate MyFenicsxEnv
spack add petsc ~trilinos +fortran +mumps +superlu-dist
spack add python
spack add py-fenics-dolfinx@0.9.0
spack add py-numpy
spack add py-matplotlib
spack add py-pandas
spack add py-gmsh
spack install

Congratulation, you have installed fenicsx 0.9.0, working with mpi!

  • Create the porous_fenicsx package

cd $PATH/porous_fenicsx
python -m pip install .

  • deactivate your environment:

spack env deactivate

Utilisation#

  • activate spack in your session (can be added to your .bashrc):

source FullPathToSpack/share/spack/setup-env.sh

  • activate your environment:

spack env activate MyFenicsxEnv

  • launch your script in parallel (replace NCPUs with the number of CPUs you want):

mpirun -n NCPUs python myscript.py

  • deactivate your environment:

spack env deactivate
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