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Large Language Models (LLMs), particularly Code LLMs, have demonstrated impressive performance in code generation. Current research primarily focuses on the correctness of generated code, while efficiency remains less explored. Recent works…

Software Engineering · Computer Science 2025-02-27 Tong Ye , Weigang Huang , Xuhong Zhang , Tengfei Ma , Peiyu Liu , Jianwei Yin , Wenhai Wang

Retrieval-augmented generation (RAG) has increasingly shown its power in extending large language models' (LLMs') capability beyond their pre-trained knowledge. Existing works have shown that RAG can help with software development tasks…

Software Engineering · Computer Science 2025-03-20 Jingyi Chen , Songqiang Chen , Jialun Cao , Jiasi Shen , Shing-Chi Cheung

The advent of large language models trained on code (code LLMs) has led to significant progress in language-to-code generation. State-of-the-art approaches in this area combine LLM decoding with sample pruning and reranking using test cases…

Machine Learning · Computer Science 2023-09-04 Ansong Ni , Srini Iyer , Dragomir Radev , Ves Stoyanov , Wen-tau Yih , Sida I. Wang , Xi Victoria Lin

Recent advances in large language models (LLMs) have demonstrated impressive capabilities in code-related tasks, such as code generation and automated program repair. Despite their promising performance, most existing approaches for code…

Software Engineering · Computer Science 2025-09-03 Yicong Zhao , Shisong Chen , Jiacheng Zhang , Zhixu Li

Large language models (LLMs) have significantly improved their ability to perform tasks in the field of code generation. However, there is still a gap between LLMs being capable coders and being top-tier software engineers. Based on the…

Software Engineering · Computer Science 2025-01-29 Jie JW Wu , Fatemeh H Fard

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

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 for code (i.e., code LLMs) have shown strong code understanding and generation capabilities. To evaluate the capabilities of code LLMs in various aspects, many benchmarks have been proposed (e.g., HumanEval and…

Software Engineering · Computer Science 2024-09-24 Junkai Chen , Zhiyuan Pan , Xing Hu , Zhenhao Li , Ge Li , Xin Xia

Large language models have shown good performances in generating code to meet human requirements. However, human requirements expressed in natural languages can be vague, incomplete, and ambiguous, leading large language models to…

Software Engineering · Computer Science 2023-11-02 Zejun Wang , Jia Li , Ge Li , Zhi Jin

Large Language Models (LLMs) have emerged as coding assistants, capable of generating source code from natural language prompts. With the increasing adoption of LLMs in software development, academic research and industry based projects are…

Large language models (LLMs) can often generate functionally correct code, but their ability to produce efficient implementations for performance-critical systems tasks remains limited. Existing code benchmarks mainly emphasize correctness…

Software Engineering · Computer Science 2026-05-18 Huihao Jing , Wenbin Hu , Haochen Shi , Hanyu Yang , Sirui Zhang , Shaojin Chen , Haoran Li , Yangqiu Song

Automatic code generation has gained significant momentum with the advent of Large Language Models (LLMs) such as GPT-4. Although many studies focus on improving the effectiveness of LLMs for code generation, very limited work tries to…

Software Engineering · Computer Science 2025-06-02 Melika Sepidband , Hamed Taherkhani , Song Wang , Hadi Hemmati

Large language models (LLMs) have shown remarkable capabilities in automated code generation. While effective for mainstream languages, they may underperform on less common or domain-specific languages, prompting companies to develop…

Software Engineering · Computer Science 2026-02-13 Giuseppe Crupi , Rosalia Tufano , Gabriele Bavota

The increasing development of LLMs in code generation has drawn significant attention among researchers. To enhance LLM-based code generation ability, current efforts are predominantly directed towards collecting high-quality datasets and…

Code snippet adaptation is a fundamental activity in the software development process. Unlike code generation, code snippet adaptation is not a "free creation", which requires developers to tailor a given code snippet in order to fit…

Software Engineering · Computer Science 2024-11-26 Tanghaoran Zhang , Yue Yu , Xinjun Mao , Shangwen Wang , Kang Yang , Yao Lu , Zhang Zhang , Yuxin Zhao

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

Large language models (LLMs) have recently demonstrated a remarkable ability to generate code from natural language (NL) prompts. However, in the real world, NL is often too ambiguous to capture the true intent behind programming problems,…

Machine Learning · Computer Science 2024-03-18 Yeming Wen , Pengcheng Yin , Kensen Shi , Henryk Michalewski , Swarat Chaudhuri , Alex Polozov

Evaluating the performance of Code Language Models (CLMs) for software engineering tasks, especially in multilingual and low-resource programming language settings, poses significant challenges. These challenges are primarily due to the…

Software Engineering · Computer Science 2024-11-26 Rohit Dandamudi , Gema Rodríguez-Pérez

Natural language to code generation is an important application area of LLMs and has received wide attention from the community. The majority of relevant studies have exclusively concentrated on increasing the quantity and functional…

Machine Learning · Computer Science 2023-11-28 Naman Jain , Tianjun Zhang , Wei-Lin Chiang , Joseph E. Gonzalez , Koushik Sen , Ion Stoica

Large Language Models (LLMs) are nowadays extensively used for various types of software engineering tasks, primarily code generation. Previous research has shown how suitable prompt engineering could help developers in improving their code…