collaborators

8 papers

cs.CL2026

PIVOT: Efficient Query-Group Indexing for Token-Level Sparse Attention

Hong Liu, Yuan Cheng, Lin Niu +5

Token-level sparse attention, as implemented by DeepSeek Sparse Attention (DSA) in production systems, makes the downstream attention efficient but shifts the bottleneck to the ind…

cs.SD2026

HAFM: Hierarchical Autoregressive Foundation Model for Music Accompaniment Generation

Jian Zhu, Jianwei Cui, Yunlong Xue +4

Music accompaniment generation aims to automatically produce instrumental accompaniments that are rhythmically, harmonically, and timbrally coherent with a given vocal input, with…

cs.CV2026

HY-World 2.0: A Multi-Modal World Model for Reconstructing, Generating, and Simulating 3D Worlds

Team HY-World, Chenjie Cao, Xuhui Zuo +42

We introduce HY-World 2.0, a multi-modal world model framework that advances our prior project HY-World 1.0. HY-World 2.0 accommodates diverse input modalities, including text prom…

cs.LG2026

AngelSlim: A more accessible, comprehensive, and efficient toolkit for large model compression

Rui Cen, QiangQiang Hu, Hong Huang +10

This technical report introduces AngelSlim, a comprehensive and versatile toolkit for large model compression developed by the Tencent Hunyuan team. By consolidating cutting-edge a…

cs.LG2026

DAQ: Delta-Aware Quantization for Post-Training LLM Weight Compression

Xiaoming Yu, Shize Tang, Guanghua Yu +4

We introduce Delta-Aware Quantization (DAQ), a data-free post-training quantization framework that preserves the knowledge acquired during post-training. Standard quantization obje…

cs.LG2026

Stem: Rethinking Causal Information Flow in Sparse Attention

Lin Niu, Xin Luo, Linchuan Xie +4

The quadratic computational complexity of self-attention remains a fundamental bottleneck for scaling Large Language Models (LLMs) to long contexts, particularly during the pre-fil…