RollPacker: Taming Long-Tail Rollouts for RL Post-Training with Tail Batching
Published:
Recommended citation: Wei Gao*, Yuheng Zhao* (Co-first Authors), Dakai An, Tianyuan Wu, Lunxi Cao, Shaopan Xiong, Ju Huang, Weixun Wang, Siran Yang, Wenbo Su, Jiamang Wang, Lin Qu, Bo Zheng, Wei Wang; USENIX Symposium on Networked Systems Design and Implementation (NSDI), May 2026. [CCF-A]