I have come across speed-ups for XGBoost and LightGBM [here](https://www.intel.com/content/www/us/en/developer/articles/technical/improve-performance-xgboost-lightgbm-inference.html#gs.f2cmrw) and wondered if it similar sppedups could be achieved for NGBoost with LightGBM as a base learner. https://stanfordmlgroup.github.io/projects/ngboost/