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Firecrown work

These notes are for working on Firecrown, and the related connectors (right now, Cobaya and CosmoSIS) on my laptop.

Setup for normal work

This assumes the preparation below has already been done. That only needs to be done once.

source setup-mamba
mamba activate firecrown_developer
export FIRECROWN_DIR=~/repos/firecrown
export PYTHONPATH=${FIRECROWN_DIR}/build/lib
export CSL_DIR=${CONDA_PREFIX}/cosmosis-standard-library
cd ${FIRECROWN_DIR}

Development and code hygiene

To build the code after modifying anything:

rm -r build/*
python setup.py build

To run tests:

python -m pytest -v

To do the code hygiene thing:

black firecrown/ examples/ tests/
flake8 firecrown examples tests
mypy -p firecrown -p examples -p tests
pylint --rcfile tests/pylintrc tests
pylint firecrown/connector firecrown/*.py firecrown/likelihood/*.py firecrown/likelihood/gauss_family/*.py
# Not completely working yet...
# pylint

Running examples

Cosmic shear

pushd ${FIRECROWN_DIR}/examples/cosmicshear
python generate_cosmicshear_data.py
cosmosis cosmicshear.ini
popd

DES Y1 3x2pt analysis

pushd ${FIRECROWN_DIR}/examples/des_y1_3x2pt
cosmosis des_y1_3x2pt.ini
cosmosis des_y1_3x2pt_PT.ini
cobaya-run cobaya_evaluate.yaml
cobaya-run cobaya_evaluate_PT.yaml
python numcosmo_run.py
python numcosmo_run_PT.py
popd

Supernova analysis

pushd ${FIRECROWN_DIR}/examples/srd_sn
cosmosis sn_srd.ini
python numcosmo_run.py
popd

Cluster number counts

pushd ${FIRECROWN_DIR}/examples/cluster_number_counts
python generate_rich_mean_mass_sacc_data.py
cosmosis cluster_counts_redshift_richness.ini
cosmosis cluster_mean_mass_redshift_richness.ini
cosmosis cluster_counts_mean_mass_redshift_richness.ini

Preparation work

The following steps need to be done only once (or once per clean re-installation of everything).

First we clone the firecrown repository, if needed:

cd ~/repos/
if [ ! d $PWD/firecrown ]
then
  git clone [email protected]:LSSTDESC/firecrown.git
fi
cd firecrown
export FIRECROWN_DIR=$PWD
mkdir -p build

Next we create the Conda environment we'll use. We use mamba to do this.

source setup-mamba
mamba env update -f ${FIRECROWN_DIR}/environment.yml
mamba activate firecrown_developer
source ${CONDA_PREFIX}/bin/cosmosis-configure
# Now we build the CSL inside $CONDA_PREFIX/
cd $CONDA_PREFIX
export CSL_DIR=${CONDA_PREFIX}/cosmosis-standard-library
# Maybe we should redirect STDOUT and STDERR to prevent a great deal of
# ugly output messages containing warnings, etc.
# Shouldn't we try to detect a failure here? How?
cosmosis-build-standard-library