[Author] You're welcome -- glad it was useful!
49 karma · joined July 14, 2015
https://github.com/ggerganov/llama.cpp#quantization
4 bit has a perplexity score 0.13 or so higher.
Nonetheless people do tend to use 16 bit huggingface models, and if you do go to 8 bits and it's wrong, you're never quite sure if it's the quant or the model.