gguf llama-cpp gguf-my-repo text-generation en dataset:tiiuae/falcon-refinedweb dataset:HuggingFaceFW/fineweb-edu arxiv:2410.05355 base_model:tiiuae/falcon-mamba-7b-instruct base_model:quantized:tiiuae/falcon-mamba-7b-instruct license:other region:us