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Recent advancements in large language models (LLMs) have remarkably enhanced performances on a variety of tasks in multiple languages. However, tokenizers in LLMs trained primarily on English-centric corpora often overly fragment a text…

Computation and Language · Computer Science 2024-08-07 Jimin Hong , Gibbeum Lee , Jaewoong Cho

Code generation aims to produce code that fulfills requirements written in natural languages automatically. Large language Models (LLMs) like ChatGPT have demonstrated promising effectiveness in this area. Nonetheless, these LLMs often fail…

Software Engineering · Computer Science 2025-01-15 Ruwei Pan , Hongyu Zhang , Chao Liu

This study evaluates the efficiency of code generation by Large Language Models (LLMs) and measures their performance against human-crafted solutions using a dataset from Leetcode. We compare 18 LLMs, considering factors such as model…

Software Engineering · Computer Science 2024-08-01 Tristan Coignion , Clément Quinton , Romain Rouvoy

Large Language Models (LLMs) have demonstrated great promise in generating code, especially when used inside an evolutionary computation framework to iteratively optimize the generated algorithms. However, in some cases they fail to…

Neural and Evolutionary Computing · Computer Science 2025-03-24 Niki van Stein , Anna V. Kononova , Lars Kotthoff , Thomas Bäck

Large language models (LLMs) have achieved notable success in code generation. However, they still frequently produce uncompilable output because their next-token inference procedure does not model formal aspects of code. Although…

Machine Learning · Computer Science 2025-05-09 Niels Mündler , Jingxuan He , Hao Wang , Koushik Sen , Dawn Song , Martin Vechev

LLMs used for code generation are typically guided by engineering constraints--technology choices, dependency restrictions, and architectural patterns--expressed in verbose natural language. We investigate whether compact, structured…

Software Engineering · Computer Science 2026-04-23 Hanzhang Tang

While code large language models have demonstrated remarkable progress in code generation, the generated code often exhibits poor runtime efficiency, limiting its practical application in performance-sensitive scenarios. To address this…

Software Engineering · Computer Science 2025-08-29 Yunlong Feng , Yang Xu , Xiao Xu , Binyuan Hui , Junyang Lin

The widespread use of Large Language Models (LLMs) in software engineering has intensified the need for improved model and resource efficiency. In particular, for neural code generation, LLMs are used to translate function/method signature…

Software Engineering · Computer Science 2025-06-12 Guang Yang , Yu Zhou , Wei Cheng , Xiangyu Zhang , Xiang Chen , Terry Yue Zhuo , Ke Liu , Xin Zhou , David Lo , Taolue Chen

Code generation is to automatically generate source code conforming to a given programming specification, which has received extensive attention especially with the development of large language models (LLMs). Due to the inherent difficulty…

Software Engineering · Computer Science 2024-12-20 Zhao Tian , Junjie Chen , Xiangyu Zhang

With the rapid evolution of large language models (LLM), reinforcement learning (RL) has emerged as a pivotal technique for code generation and optimization in various domains. This paper presents a systematic survey of the application of…

Large language models (LLMs) have become vital tools for software development, but they often require verbose intermediate reasoning for complex code tasks, leading to high latency and costs. This research extends the Chain of Draft (CoD)…

Software Engineering · Computer Science 2025-06-16 Shaoyi Yang

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

Large Language Models (LLMs) have become extremely potent instruments with exceptional capacities for comprehending and producing human-like text in a wide range of applications. However, the increasing size and complexity of LLMs present…

Machine Learning · Computer Science 2024-06-18 Yingbing Huang , Lily Jiaxin Wan , Hanchen Ye , Manvi Jha , Jinghua Wang , Yuhong Li , Xiaofan Zhang , Deming Chen

This survey reviews how large language models (LLMs) are transforming synthetic training data generation in both natural language and code domains. By producing artificial but task-relevant examples, these models can significantly augment…

Computation and Language · Computer Science 2025-11-21 Mihai Nadas , Laura Diosan , Andreea Tomescu

As text generation has become a core capability of modern Large Language Models (LLMs), it underpins a wide range of downstream applications. However, most existing LLMs rely on autoregressive (AR) generation, producing one token at a time…

Computation and Language · Computer Science 2026-02-11 Lingzhe Zhang , Liancheng Fang , Chiming Duan , Minghua He , Leyi Pan , Pei Xiao , Shiyu Huang , Yunpeng Zhai , Xuming Hu , Philip S. Yu , Aiwei Liu

Large Language Models (LLMs) are one of the most promising developments in the field of artificial intelligence, and the software engineering community has readily noticed their potential role in the software development life-cycle.…

Software Engineering · Computer Science 2026-03-16 Greta Dolcetti , Vincenzo Arceri , Eleonora Iotti , Sergio Maffeis , Agostino Cortesi , Enea Zaffanella

Code Large Language Models (Code LLMs) have been increasingly used by developers to boost productivity, but they often generate vulnerable code. Thus, there is an urgent need to ensure that code generated by Code LLMs is correct and secure.…

Cryptography and Security · Computer Science 2024-07-23 Yanjun Fu , Ethan Baker , Yu Ding , Yizheng Chen

Large Language Models (LLMs) have shown strong capabilities in code generation, but their adherence to fine-grained user intent with multiple constraints remains a significant challenge. Our empirical analysis reveals two key observations:…

Software Engineering · Computer Science 2026-02-03 Zheng Fang , Yihong Dong , Lili Mou , Dongming Jin , Zhi Jin , Ge Li

The demand for efficient large language model (LLM) inference has propelled the development of dedicated accelerators. As accelerators are vulnerable to hardware faults due to aging, variation, etc, existing accelerator designs often…

Hardware Architecture · Computer Science 2025-04-08 Tong Xie , Jiawang Zhao , Zishen Wan , Zuodong Zhang , Yuan Wang , Runsheng Wang , Ru Huang , Meng Li

Large Language Models (LLMs) have demonstrated their remarkable capabilities in numerous fields. This survey focuses on how LLMs empower users, regardless of their technical background, to use human languages to automatically generate…

Software Engineering · Computer Science 2025-04-03 Nam Huynh , Beiyu Lin