Historical "what the fuck" is available at JabRef#11430 (comment)

Advantages:

• For LLMs, GPU is much faster than CPU. 10 times + X faster, depending on hardware.

Disadvantages:

• Please correct me, if I am wrong, but I expect dependencies for GPU backend are required. (E.g. llama.cpp, Nvidia (drivers, Cuda toolkit libraries), Vulkan, RoCm, SYCL, ...)