> Taichi is an open-source computer graphics library with implementations of 40+ graphics papers. It has a hybrid design: a C++14 kernel part, and a user-friendly Python 3 wrapper.
That's the extent of the information on that page.
You seem to be assuming that "library" must mean a layer or an API providing certain runtime abstractions or functionality. That's not really what this is. It's more about code reuse and a rationalized core of tools for implementing the various techniques.