transformers accelerate bitsandbytes safetensors gemma text-generation text-generation-inference transformers unsloth trl conversational en th base_model:SeaLLMs/SeaLLM-7B-v2.5 base_model:quantized:SeaLLMs/SeaLLM-7B-v2.5 license:apache-2.0 4-bit bitsandbytes region:us