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Related papers: Layer Collapse in Diffusion Language Models

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Recent large language models (LLMs) have demonstrated strong reasoning capabilities that benefits from online reinforcement learning (RL). These capabilities have primarily been demonstrated within the left-to-right autoregressive (AR)…

Computation and Language · Computer Science 2025-06-04 Siyan Zhao , Devaansh Gupta , Qinqing Zheng , Aditya Grover

Large diffusion vision-language models (LDVLMs) have recently emerged as a promising alternative to autoregressive models, enabling parallel decoding for efficient inference and leveraging bidirectional attention for global context. Despite…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Sujung Hong , Chanyong Yoon , Seong Jae Hwang

Autoregressive (AR) large audio language models (LALMs) such as Qwen-2.5-Omni have achieved strong performance on audio understanding and interaction, but scaling them remains costly in data and computation, and strictly sequential decoding…

Sound · Computer Science 2026-02-02 Jiaming Zhou , Xuxin Cheng , Shiwan Zhao , Yuhang Jia , Cao Liu , Ke Zeng , Xunliang Cai , Yong Qin

Diffusion language models (DLMs) have recently demonstrated capabilities that complement standard autoregressive (AR) models, particularly in non-sequential generation and bidirectional editing. Although recent work has shown that…

Machine Learning · Computer Science 2026-05-11 Fred Zhangzhi Peng , Alexis Fox , Anru R. Zhang , Alexander Tong

Large language model (LLM)-based embedding models, benefiting from large scale pre-training and post-training, have begun to surpass BERT and T5-based models on general-purpose text embedding tasks such as document retrieval. However, a…

Computation and Language · Computer Science 2025-05-22 Siyue Zhang , Yilun Zhao , Liyuan Geng , Arman Cohan , Anh Tuan Luu , Chen Zhao

While Diffusion Language Models (DLMs) are theoretically well-suited for iterative refinement due to their non-causal structure, they often fail to reliably revise incorrect tokens in practice. The key challenge lies in the model's…

Machine Learning · Computer Science 2026-01-30 Shuibai Zhang , Fred Zhangzhi Peng , Yiheng Zhang , Jin Pan , Grigorios G. Chrysos

While scaling Transformer-based large language models (LLMs) has demonstrated promising performance across various tasks, it also introduces redundant architectures, posing efficiency challenges for real-world deployment. Despite some…

Machine Learning · Computer Science 2024-10-18 Shwai He , Guoheng Sun , Zheyu Shen , Ang Li

Diffusion language models (DLMs) have recently emerged as an alternative modeling paradigm to autoregressive (AR) language models, enabling parallel generation and bidirectional context modeling. Yet their security implications,…

Cryptography and Security · Computer Science 2026-05-12 Shengfang Zhai , Xiaoyang Ji , Yuling Shi , Haoran Gao , Fanyu Meng , Yan Zeng , Yuejian Fang , Yinpeng Dong , Jiaheng Zhang

Large language models require significant computational resources for deployment, making quantization essential for practical applications. However, the main obstacle to effective quantization lies in systematic outliers in activations and…

Machine Learning · Computer Science 2025-11-25 Cuong Pham , Hoang Anh Dung , Cuong C. Nguyen , Trung Le , Gustavo Carneiro , Jianfei Cai , Thanh-Toan Do

Diffusion language models are a promising alternative to autoregressive models due to their potential for faster generation. Among discrete diffusion approaches, Masked diffusion currently dominates, largely driven by strong perplexity on…

Machine Learning · Computer Science 2026-02-17 Subham Sekhar Sahoo , Jean-Marie Lemercier , Zhihan Yang , Justin Deschenaux , Jingyu Liu , John Thickstun , Ante Jukic

Discrete diffusion models have emerged as a powerful class of models and a promising route to fast language generation, but practical implementations typically rely on factored reverse transitions ignoring cross-token dependencies and…

Machine Learning · Computer Science 2026-05-14 Dario Shariatian , Alain Durmus , Umut Simsekli , Stefano Peluchetti

Continual pre-training has increasingly become the predominant approach for adapting Large Language Models (LLMs) to new domains. This process involves updating the pre-trained LLM with a corpus from a new domain, resulting in a shift in…

Computation and Language · Computer Science 2024-06-28 Yiduo Guo , Jie Fu , Huishuai Zhang , Dongyan Zhao , Yikang Shen

Diffusion large language models (dLLMs) are compelling alternatives to autoregressive (AR) models because their denoising models operate over the entire sequence. The global planning and iterative refinement features of dLLMs are…

Computation and Language · Computer Science 2025-06-27 Shansan Gong , Ruixiang Zhang , Huangjie Zheng , Jiatao Gu , Navdeep Jaitly , Lingpeng Kong , Yizhe Zhang

Large language models (LLMs) based on transformer are witnessing a notable trend of size expansion, which brings considerable costs to both model training and inference. However, existing methods such as model quantization, knowledge…

Computation and Language · Computer Science 2024-10-16 Yifei Yang , Zouying Cao , Hai Zhao

Large Language Models (LLMs) are known for their performance, but we uncover a significant structural inefficiency: a phenomenon we term attention collapse. In many pre-trained decoder-style LLMs, the attention matrices in deeper layers…

Computation and Language · Computer Science 2026-02-17 Sunny Sanyal , Ravid Shwartz-Ziv , Alexandros G. Dimakis , Sujay Sanghavi

Diffusion-based language models (DLLMs) offer non-sequential, block-wise generation and richer data reuse compared to autoregressive (AR) models, but existing code DLLMs still lag behind strong AR baselines under comparable budgets. We…

Computation and Language · Computer Science 2026-01-26 Chenghao Fan , Wen Heng , Bo Li , Sichen Liu , Yuxuan Song , Jing Su , Xiaoye Qu , Kai Shen , Wei Wei

Diffusion-based large language models (DLLMs) have recently attracted growing interest as an alternative to autoregressive decoders. In this work, we present an empirical study on using the diffusion-based large language model LLaDA for…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-02 Mengqi Wang , Zhan Liu , Zengrui Jin , Guangzhi Sun , Chao Zhang , Philip C. Woodland

Most multi-agent systems rely exclusively on autoregressive language models (ARMs) that are based on sequential generation. Although effective for fluent text, ARMs limit global reasoning and plan revision. On the other hand, Discrete…

Machine Learning · Computer Science 2026-03-11 Lina Berrayana , Ahmed Heakl , Abdullah Sohail , Thomas Hofmann , Salman Khan , Wei Chen

Continuous diffusion has been the foundation of high-fidelity, controllable, and few-step generation of many data modalities such as images. However, in language modeling, prior continuous diffusion language models (DLMs) lag behind…

Computation and Language · Computer Science 2026-04-16 Yuxin Chen , Chumeng Liang , Hangke Sui , Ruihan Guo , Chaoran Cheng , Jiaxuan You , Ge Liu

Autoregressive (AR) generation is the standard decoding paradigm for Large Language Models (LLMs), but its token-by-token nature limits parallelism at inference time. Diffusion Language Models (DLLMs) offer parallel decoding by recovering…

Computation and Language · Computer Science 2025-12-30 Aiwei Liu , Minghua He , Shaoxun Zeng , Sijun Zhang , Linhao Zhang , Chuhan Wu , Wei Jia , Yuan Liu , Xiao Zhou , Jie Zhou