PySM generates full-sky simulations of Galactic emissions in intensity and polarization relevant to CMB experiments. It is a large refactor of PySM 2 focused on reducing memory usage, improving performance and run in parallel with MPI.
See the documentation at https://pysm3.readthedocs.io
See requirements.txt
conda install -c conda-forge pysm3
See the conda repository and the feedstock
pip install pysm3
MPI-Distributed smoothing (optional) requires libsharp, it is easiest to install the conda package:
conda install -c conda-forge libsharp=*=*openmpi*
It also has a mpich version:
conda install -c conda-forge libsharp=*=*mpich*