Yuang Ai Qihang Fan Xuefeng Hu Zhenheng Yang Ran He 0001 Huaibo Huang DiCo: Revitalizing ConvNets for Scalable and Efficient Diffusion Modeling. 2025 May abs/2505.11196 CoRR https://doi.org/10.48550/arXiv.2505.11196 db/journals/corr/corr2505.html#abs-2505-11196 streams/journals/corr