StructILU: Dependency-Preserving Incomplete LU with Hierarchical Parallelism for Structured Grid PDEs on GPUs. - Hao Luo 015; Qianchao Zhu; Xiaochen Hao; Chunxi Lei; Chengdi Ma; Chenchen Zhang; Yun Liang 001; Chao Yang 002 (ICS, 2025)