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• Externals
• CAMEL install
• Pre-installation@ DEC,CCIN2P3, NERSC
• Code structure

Using CAMEL

• Executables
• Parameter File
• Boltzmann engines
• Data (likelihoods)
• Statistical methods
• Analysing the outputs
• working at ccin2p3

Developing with CAMEL

• Adding your own Likelihood
• Using your own CLASS version

Tutorials

• Agnostic cosmology with CAMEL: online, ArXiv
• lectures at EUCLID school

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docker is very popular way of running locally executables already compiled within a light virtual environment (a container)

Before school install the 2 following packages:

• you should install the docker-ce package: https://docs.docker.com/get-docker/

Warning: some defaults implementations sometimes exist on Mac's: you should better remove them before.

You will find here a very nice introduction to docker (in french!).

• then you need to install the CAMEL docker image: since it is quite heavy (~500MB) do it before school (with a good connection). Installation is pretty simple:

git clone https://gitlab.in2p3.fr/plaszczy/camel_docker.git
cd camel_docker/v3_euclid/
./build.sh

To start the virtual ennvironement during the school you will need to run:

./run.sh

You are then within a (virtual) linux environment in the /home/CAMEL/v3_euclid directory (also known as the CAMELROOT one).

The previous script automatically creates a shared directory between the container and your computer named output (located where you ran the script) : you should put your stuff in it (as parameter files) using your prefered editor. The area is available in the container in work/output. You should always work from here.

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