sentence-transformers gguf feature-extraction mteb sentence-similarity ggml quantized text-generation en arxiv:2402.16829 arxiv:2212.09741 base_model:avsolatorio/GIST-all-MiniLM-L6-v2 base_model:quantized:avsolatorio/GIST-all-MiniLM-L6-v2 license:mit model-index region:us