transformers pytorch llama text-generation llama2 zh en dataset:bigcode/the-stack dataset:mc4 dataset:pleisto/wikipedia-cn-20230720-filtered dataset:gsm8k dataset:OpenAssistant/oasst1 dataset:b-mc2/sql-create-context dataset:niv0 dataset:BAAI/COIG dataset:wenhu/TheoremQA dataset:zjunlp/KnowLM-IE arxiv:2009.03300 license:llama2 model-index autotrain_compatible text-generation-inference endpoints_compatible region:us