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INSTALL AND RUN COBAYA+SOLIKET

Using conda

We have provided a conda environment defined in soliket-tests.yml which provides easy set up of a virtual envrinoment with all the dependencies installed in order to run SOLikeT and its tests on multiple platforms (explicitly tested for ubuntu and MacOS-11).

In order to use the CosmoPower Theories within SOLikeT you will need to additionally install CosmoPower (and with it tensorflow, which is rather heavy and hence left out of the default installation).

This should be easily achievable with:

` pip install cosmopower `

If you wish to install it using your own system tools some useful information is provided below.

On your own laptop/virtual machine

CREATE VIRTUAL CONDA ENV TO RUN COBAYA Based on cobaya documentation.

$ sudo apt update && sudo apt install gcc gfortran g++ openmpi-bin openmpi-common libopenmpi-dev libopenblas-base liblapack3 liblapack-dev make
$ wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
$ bash miniconda.sh -b -p $HOME/miniconda
$ export PATH="$HOME/miniconda/bin:$PATH"
$ conda config --set always_yes yes --set changeps1 no
$ conda create -q -n cobaya-env python=3.7 scipy matplotlib cython PyYAML pytest pytest-forked flaky
$ source activate cobaya-env
$ pip install mpi4py

INSTALL COBAYA

$ pip install cobaya
$ sudo apt install libcfitsio-bin libcfitsio-dev
$ cobaya-install cosmo --packages-path cobaya_packages

INSTALL SOLIKET

$ conda install -c conda-forge compilers pyccl
$ git clone https://github.com/simonsobs/soliket
$ cd soliket
$ pip install -e .

At NERSC

Note: you may want to run cobaya in the SCRATCH directory (see thread here).

CREATE A CONDA-ENV COPYING LAZY-MPI4PY AND USING GNU Based on NERSC documentation.

module unload PrgEnv-intel
module load PrgEnv-gnu
module load python
conda create --name my_mpi4py_env --clone lazy-mpi4py
conda activate my_mpi4py_env

INSTALL COBAYA

pip install cobaya
cobaya-install cosmo --packages-path cobaya_packages

LOAD CMAKE (WOULD BE NEEDED BY PYCCL)

module load cmake

INSTALL SOLIKET

git clone https://github.com/simonsobs/soliket
cd soliket
pip install -e .

RUN SOLIKET

Create your job script following cobaya docs.

Many thanks to Luca Pagano, Serena Giardiello, Pablo Lemos, +++