transformers safetensors stripedhyena text-generation long context deep signal processing hybrid biology genomics custom_code arxiv:2302.10866 arxiv:2203.14343 arxiv:2310.18780 arxiv:2206.11893 arxiv:2303.06349 arxiv:2102.02611 arxiv:2210.09298 license:apache-2.0 autotrain_compatible region:us