Rina: Enhancing Ring-Allreduce with in-Network Aggregation in Distributed Model Training. - Zixuan Chen; Xuandong Liu; Minglin Li; Yinfan Hu; Hao Mei; Huifeng Xing; Hao Wang; Wanxin Shi; Sen Liu 002; Yang Xu 010 (ICNP, 2024)