transformers pytorch safetensors llama text-generation sparse dataset:openai/gsm8k arxiv:2405.03594 arxiv:2110.14168 arxiv:2310.06927 base_model:neuralmagic/Llama-2-7b-pruned70-retrained base_model:finetune:neuralmagic/Llama-2-7b-pruned70-retrained autotrain_compatible text-generation-inference endpoints_compatible region:us