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Related papers: Layer Collapse in Diffusion Language Models

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Outliers have been widely observed in Large Language Models (LLMs), significantly impacting model performance and posing challenges for model compression. Understanding the functionality and formation mechanisms of these outliers is…

Computation and Language · Computer Science 2025-02-27 Yongqi An , Xu Zhao , Tao Yu , Ming Tang , Jinqiao Wang

Early DNA foundation models adopted BERT-style training, achieving good performance on DNA understanding tasks but lacking generative capabilities. Recent autoregressive models enable DNA generation, but employ left-to-right causal modeling…

Machine Learning · Computer Science 2026-03-03 Zhao Yang , Hengchang Liu , Chuan Cao , Bing Su

In this paper, we address the challenge of determining the layer-wise sparsity rates of large language models (LLMs) through a theoretical perspective. Specifically, we identify a critical issue of ''$\textbf{reconstruction error…

Machine Learning · Computer Science 2025-02-21 Weizhong Huang , Yuxin Zhang , Xiawu Zheng , Fei Chao , Rongrong Ji

Dynamic resource allocation in mobile wireless networks involves complex, time-varying optimization problems, motivating the adoption of deep reinforcement learning (DRL). However, most existing works rely on pre-trained policies,…

Machine Learning · Computer Science 2025-02-12 Xinren Zhang , Jiadong Yu

Building scalable and reusable multi-agent decision policies from offline datasets remains a challenge in offline multi-agent reinforcement learning (MARL), as existing methods often rely on fixed observation formats and action spaces that…

Multiagent Systems · Computer Science 2026-04-28 Zhuohui Zhang , Bin Cheng , Bin He

Diffusion language models (DLMs) have strong theoretical efficiency but are limited by fixed-length decoding and incompatibility with key-value (KV) caches. Block diffusion mitigates these issues, yet still enforces a fixed block size and…

Computation and Language · Computer Science 2025-09-30 Yangzhou Liu , Yue Cao , Hao Li , Gen Luo , Zhe Chen , Weiyun Wang , Xiaobo Liang , Biqing Qi , Lijun Wu , Changyao Tian , Yanting Zhang , Yuqiang Li , Tong Lu , Yu Qiao , Jifeng Dai , Wenhai Wang

Curating foundation speech models for edge and IoT settings, where computational resources vary over time, requires dynamic architectures featuring adaptable reduction strategies. One emerging approach is layer dropping ($\mathcal{LD}$)…

Sound · Computer Science 2025-07-11 Abdul Hannan , Daniele Falavigna , Alessio Brutti

Diffusion LLMs have attracted growing interest, with plenty of recent work emphasizing their great potential in various downstream tasks; yet the long-context behavior of diffusion LLMs remains largely uncharted. We present a case study of…

Computation and Language · Computer Science 2025-10-14 Guangxin He , Shen Nie , Fengqi Zhu , Yuankang Zhao , Tianyi Bai , Ran Yan , Jie Fu , Chongxuan Li , Binhang Yuan

We present LLaDA2.0-Uni, a unified discrete diffusion large language model (dLLM) that supports multimodal understanding and generation within a natively integrated framework. Its architecture combines a fully semantic discrete tokenizer, a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Inclusion AI , Tiwei Bie , Haoxing Chen , Tieyuan Chen , Zhenglin Cheng , Long Cui , Kai Gan , Zhicheng Huang , Zhenzhong Lan , Haoquan Li , Jianguo Li , Tao Lin , Qi Qin , Hongjun Wang , Xiaomei Wang , Haoyuan Wu , Yi Xin , Junbo Zhao

Latent Dirichlet Allocation (LDA) is a prominent generative probabilistic model used for uncovering abstract topics within document collections. In this paper, we explore the effectiveness of augmenting topic models with Large Language…

Computation and Language · Computer Science 2025-07-14 Mengze Hong , Chen Jason Zhang , Di Jiang

We propose a diffusion-based framework for prompt optimization that leverages Diffusion Language Models (DLMs) to iteratively refine system prompts through masked denoising. By conditioning on interaction traces, including user queries,…

Computation and Language · Computer Science 2026-02-24 Shiyu Wang , Haolin Chen , Liangwei Yang , Jielin Qiu , Rithesh Murthy , Ming Zhu , Zixiang Chen , Silvio Savarese , Caiming Xiong , Shelby Heinecke , Huan Wang

Diffusion language models (DLMs) enable parallel, order-agnostic generation with iterative refinement, offering a flexible alternative to autoregressive large language models (LLMs). However, adapting reinforcement learning (RL) fine-tuning…

Machine Learning · Computer Science 2026-02-12 Kevin Rojas , Jiahe Lin , Kashif Rasul , Anderson Schneider , Yuriy Nevmyvaka , Molei Tao , Wei Deng

Diffusion large language models (dLLMs) have emerged as a compelling alternative to autoregressive (AR) LLMs, owing to their capacity for parallel token generation. This paradigm is particularly well-suited for code generation, where…

Machine Learning · Computer Science 2026-02-13 Haolei Bai , Lingcheng Kong , Xueyi Chen , Jianmian Wang , Zhiqiang Tao , Huan Wang

As Large Language Models (LLMs) continue to scale, post-training pruning has emerged as a promising approach to reduce computational costs while preserving performance. Existing methods such as SparseGPT and Wanda achieve high sparsity…

Computation and Language · Computer Science 2026-01-15 Sai Varun Kodathala , Rakesh Vunnam

Diffusion-based LLMs (dLLMs) fundamentally depart from traditional autoregressive (AR) LLM inference: they leverage bidirectional attention, block-wise KV cache refreshing, cross-step reuse, and a non-GEMM-centric sampling phase. These…

Hardware Architecture · Computer Science 2026-04-24 Binglei Lou , Haoran Wu , Kevin Lau , Gregor MacDonald , Jiayi Nie , Yao Lai , Can Xiao , Xuan Guo , Jianyi Cheng , Rika Antonova , Robert Mullins , Aaron Zhao

Large Language Diffusion Models, or diffusion LLMs, have emerged as a significant focus in NLP research, with substantial effort directed toward understanding their scalability and downstream task performance. However, their long-context…

Computation and Language · Computer Science 2025-11-12 Xiaoran Liu , Yuerong Song , Zhigeng Liu , Zengfeng Huang , Qipeng Guo , Ziwei He , Xipeng Qiu

Although diffusion language models (DLMs) are evolving quickly, many recent models converge on a set of shared components. These components, however, are distributed across ad-hoc research codebases or lack transparent implementations,…

Computation and Language · Computer Science 2026-02-27 Zhanhui Zhou , Lingjie Chen , Hanghang Tong , Dawn Song

In this work, we propose Dimple, the first Discrete Diffusion Multimodal Large Language Model (DMLLM). We observe that training with a purely discrete diffusion approach leads to significant training instability, suboptimal performance, and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Runpeng Yu , Xinyin Ma , Xinchao Wang

Training large language models (LLMs) typically involves pre-training on massive corpora, only to restart the process entirely when new data becomes available. A more efficient and resource-conserving approach would be continual…

Masked Diffusion Language Models (MDLMs) have recently emerged as a promising alternative to Autoregressive Language Models (ARLMs), leveraging a denoising objective that, in principle, should enable more uniform context utilisation. In…

Machine Learning · Computer Science 2025-11-27 Julianna Piskorz , Cristina Pinneri , Alvaro Correia , Motasem Alfarra , Risheek Garrepalli , Christos Louizos