2 papers
cs.DC2026
The Endgame of FSDP Communication: Layout-Aware Collectives on Copy Engines, RDMA, and NVSwitch
Zejian Wang, Yifan Zhao, Kaihui Ren +11
Fully Sharded Data Parallelism (FSDP2) maintains parameters and gradients as per-parameter tensors, whereas its collective path operates on flat, rank-major buffers. Converting bet…
math.AG2026
Supersingular Tate conjecture for irreducible symplectic varieties of known types: I
Lie Fu, Xuanlin Huang, Zhiyuan Li
We prove that for a supersingular irreducible symplectic variety admitting suitable lifting to characteristic zero has Tate Chow motive if it is of deformation type , OG6…