collaborators

7 papers

cs.AI2026

FOCUS: FP4 Optimization via Coupled-Relaxation and Dual-Granularity Scaling

Xianglong Yan, Hong Liu, Chengzhu Bao +4

Large language models (LLMs) achieve remarkable performance but are expensive to deploy due to their enormous size. FP4 quantization, with formats such as MXFP4 and NVFP4, offers a…

cs.LG2026

DQuant: Accurate Low-bit Post-Training Weight Quantization for LLMs

Xianglong Yan, ChengZhu Bao, Zhiteng Li +5

Large language models (LLMs) deliver strong performance, but their high compute and memory costs make deployment difficult in resource-constrained scenarios. Weight-only post-train…

cs.LG2026

PT-LLM: Post-Training Ternarization for Large Language Models

Xianglong Yan, Chengzhu Bao, Zhiteng Li +6

Large Language Models (LLMs) have shown impressive capabilities across diverse tasks, but their large memory and compute demands hinder deployment. Ternarization has gained attenti…

cs.CV2026

ARB-LLM: Alternating Refined Binarizations for Large Language Models

Zhiteng Li, Xianglong Yan, Tianao Zhang +7

Large Language Models (LLMs) have greatly pushed forward advancements in natural language processing, yet their high memory and computational demands hinder practical deployment. B…

cs.LG2025

Quant-dLLM: Post-Training Extreme Low-Bit Quantization for Diffusion Large Language Models

Tianao Zhang, Zhiteng Li, Xianglong Yan +3

Diffusion large language models (dLLMs), which offer bidirectional context and flexible masked-denoising generation, are emerging as a compelling alternative to autoregressive (AR)…

cs.LG2025

ReCalKV: Low-Rank KV Cache Compression via Head Reordering and Offline Calibration

Xianglong Yan, Zhiteng Li, Tianao Zhang +4

Large language models (LLMs) have demonstrated remarkable performance, but their long-context reasoning remains constrained by the excessive memory required for the Key-Value (KV)…