collaborators

5 papers

cs.CL2026

Tsubame: Tree Replay for Diffusion-Based Speculative Decoding

Yepeng Weng, Qiao Hu, Takehisa Yairi

Context-aware dynamic trees allocate the speculative decoding budget according to draft path probabilities, adapting their depth and branching to the current context. Under stochas…

cs.CL2026

RheoSampling: Resolving the One-Hot Dilemma in Stochastic Dynamic-Tree Speculative Decoding

Qiao Hu, Yepeng Weng, Bo Zhang +1

Speculative decoding accelerates LLM inference by drafting multiple tokens in parallel, with tree-based methods further improving efficiency through hierarchical structures. Dynami…

cs.CL2026

UniVer: A Unified Perspective for Multi-step and Multi-draft Speculative Decoding

Yepeng Weng, Qiao Hu, Takehisa Yairi

Speculative decoding accelerates Large Language Models via draft-then-verify, where verification can be framed as an Optimal Transport (OT) problem. Existing approaches typically h…

cs.CL2025

Traversal Verification for Speculative Tree Decoding

Yepeng Weng, Qiao Hu, Xujie Chen +5

Speculative decoding is a promising approach for accelerating large language models. The primary idea is to use a lightweight draft model to speculate the output of the target mode…

cs.LG2025

Hierarchical graph sampling based minibatch learning with chain preservation and variance reduction

Qia Hu, Bo Jiao

Graph sampling-based Graph Convolutional Networks (GCNs) decouple sampling from forward and backward propagation during minibatch training, enhancing scalability with respect to la…