ParallelBench: Understanding the Trade-offs of Parallel Decoding in Diffusion LLMs - Kang, Wonjun; Galim, Kevin; Oh, Seunghyuk; Lee, Minjae; Zeng, Yuchen; Zhang, Shuibai; Hooper, Coleman; Hu, Yuezhou; Koo, Hyung; Cho, Nam Ik; Lee, Kangwook (International Conference on Learning Representations, 2026)