Hector runs essentially instantaneously while still representing the most critical global scale Earth system processes, and is one of a class of models heavily used for for emulating complex climate models and uncertainty analyses.
Code Repository: https://github.com/JGCRI/hector
![Hector: Reduced-Form Climate Model](/sites/default/files/styles/medium/public/images/2-page_3-section_1-sub_hector.png?itok=j43yLnzx)