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Discrete diffusion models are a powerful, emerging paradigm for code generation. They construct programs through iterative refinement of partially corrupted token sequences and enable parallel token refinement. Importantly, this paradigm…

Computation and Language · Computer Science 2026-05-19 Lize Shao , Michael Cardei , Zichen Xie , Ferdinando Fioretto , Wenxi Wang

Although large language models (LLMs) have demonstrated impressive ability in code generation, they are still struggling to address the complicated intent provided by humans. It is widely acknowledged that humans typically employ planning…

Software Engineering · Computer Science 2025-10-21 Xue Jiang , Yihong Dong , Lecheng Wang , Zheng Fang , Qiwei Shang , Ge Li , Zhi Jin , Wenpin Jiao

This study investigates the reliability of code generation by Large Language Models (LLMs), focusing on identifying and analyzing defects in the generated code. Despite the advanced capabilities of LLMs in automating code generation,…

Software Engineering · Computer Science 2024-08-27 Ali Mohammadi Esfahani , Nafiseh Kahani , Samuel A. Ajila

Code generation aims to automatically generate code from input requirements, significantly enhancing development efficiency. Recent large language models (LLMs) based approaches have shown promising results and revolutionized code…

Software Engineering · Computer Science 2025-01-20 Ziyao Zhang , Yanlin Wang , Chong Wang , Jiachi Chen , Zibin Zheng

Code generation is increasingly critical for real-world applications. Still, diffusion-based large language models continue to struggle with this demand. Unlike free-form text, code requires syntactic precision; even minor structural…

Computation and Language · Computer Science 2026-01-07 Yiming Zeng , Jinghan Cao , Zexin Li , Yiming Chen , Tao Ren , Zhuochun Li , Dawei Xiang , Xidong Wu , Shangqian Gao , Tingting Yu

Recent advances in code generation have illuminated the potential of employing large language models (LLMs) for general-purpose programming languages such as Python and C++, opening new opportunities for automating software development and…

Machine Learning · Computer Science 2025-03-06 Jiahao Gai , Hao Mark Chen , Zhican Wang , Hongyu Zhou , Wanru Zhao , Nicholas Lane , Hongxiang Fan

Large language models (LLMs) have achieved impressive performance in code generation recently, offering programmers revolutionary assistance in software development. However, due to the auto-regressive nature of LLMs, they are susceptible…

Software Engineering · Computer Science 2025-03-25 Xue Jiang , Yihong Dong , Yongding Tao , Huanyu Liu , Zhi Jin , Wenpin Jiao , Ge Li

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

Text-to-image generation has witnessed significant progress with the advent of diffusion models. Despite the ability to generate photorealistic images, current text-to-image diffusion models still often struggle to accurately interpret and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Tsung-Han Wu , Long Lian , Joseph E. Gonzalez , Boyi Li , Trevor Darrell

Large language models generate code one token at a time. Their autoregressive generation process lacks the feedback of observing the program's output. Training LLMs to suggest edits directly can be challenging due to the scarcity of rich…

Artificial Intelligence · Computer Science 2024-06-03 Shreyas Kapur , Erik Jenner , Stuart Russell

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) transition from chat interfaces to integral components of stochastic pipelines and systems approaching general intelligence, the ability to faithfully sample from specified probability distributions has…

Computation and Language · Computer Science 2026-04-27 Minda Zhao , Yilun Du , Mengyu Wang

Large Language Models (LLMs) have demonstrated remarkable potential in code generation. The integration of Chain of Thought (CoT) reasoning can further boost their performance. However, current CoT methods often require manual writing or…

Software Engineering · Computer Science 2024-08-06 Guang Yang , Yu Zhou , Xiang Chen , Xiangyu Zhang , Terry Yue Zhuo , Taolue Chen

Large language models (LLMs) have become ubiquitous in practice and are widely used for generation tasks such as translation, summarization and instruction following. However, their enormous size and reliance on autoregressive decoding…

Machine Learning · Computer Science 2024-07-18 Benjamin Bergner , Andrii Skliar , Amelie Royer , Tijmen Blankevoort , Yuki Asano , Babak Ehteshami Bejnordi

Diffusion language models (DLMs) generate text through iterative denoising, but inference requires full-sequence attention at every iteration, resulting in substantial redundant computation on masked tokens. Block-wise diffusion can reduce…

Machine Learning · Computer Science 2026-02-03 Fengrui Zuo , Zhiwei Ke , Yiming Liu , Wenqi Lou , Chao Wang , Xuehai Zhou

Large Language Models (LLMs) are increasingly used to generate synthetic textual data for training smaller specialized models. However, a comparison of various generation strategies for low-resource language settings is lacking. While…

Computation and Language · Computer Science 2025-09-22 Tatiana Anikina , Jan Cegin , Jakub Simko , Simon Ostermann

Autoregressive Models (ARMs) have long dominated the landscape of Large Language Models. Recently, a new paradigm has emerged in the form of diffusion-based Large Language Models (dLLMs), which generate text by iteratively denoising masked…

Machine Learning · Computer Science 2025-06-10 Zhiyuan Liu , Yicun Yang , Yaojie Zhang , Junjie Chen , Chang Zou , Qingyuan Wei , Shaobo Wang , Linfeng Zhang

Embedding models are a fundamental component of modern AI systems such as semantic search and retrieval-augmented generation. Recent advances in large foundation models have substantially accelerated the development of embedding models,…

Multimedia · Computer Science 2026-02-09 Zihang Wang , Siyue Zhang , Yilun Zhao , Jingyi Yang , Tingyu Song , Anh Tuan Luu , Chen Zhao

The rapid evolution of software libraries creates a significant challenge for Large Language Models (LLMs), whose static parametric knowledge often becomes stale post-training. While retrieval-augmented generation (RAG) is commonly used to…

Software Engineering · Computer Science 2026-04-13 Ahmed Nusayer Ashik , Shaowei Wang , Tse-Hsun Chen , Muhammad Asaduzzaman , Yuan Tian

Diffusion large language models (dLLMs) are emerging as a compelling alternative to dominant autoregressive models, replacing strictly sequential token generation with iterative denoising and parallel generation dynamics. However, their…

Computation and Language · Computer Science 2026-04-07 Jingyi Yang , Yuxian Jiang , Xuhao Hu , Shuang Cheng , Biqing Qi , Jing Shao