transformers pytorch tensorboard llama text-generation llama2 chinese-llama2 gogpt2-7b zh dataset:BelleGroup/train_0.5M_CN dataset:BelleGroup/train_1M_CN dataset:c-s-ale/alpaca-gpt4-data-zh dataset:BAAI/COIG license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible region:us