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We introduce SIMCOPILOT, a benchmark that simulates the role of large language models (LLMs) as interactive, "copilot"-style coding assistants. Targeting both completion (finishing incomplete methods or code blocks) and infill tasks…

Machine Learning · Computer Science 2025-05-29 Mingchao Jiang , Abhinav Jain , Sophia Zorek , Chris Jermaine

Recent advancements in Large Language Models (LLMs) have transformed code generation from natural language queries. However, despite their extensive knowledge and ability to produce high-quality code, LLMs often struggle with contextual…

Artificial Intelligence · Computer Science 2025-07-17 Mihir Athale , Vishal Vaddina

Understanding an unfamiliar codebase is an essential task for developers in various scenarios, such as during the onboarding process. Especially when the codebase is large and time is limited, achieving a decent level of comprehension…

Human-Computer Interaction · Computer Science 2026-02-16 Jie Gao , Yue Xue , Xiaofei Xie , SoeMin Thant , Erika Lee , Bowen Xu

Large language models (LLMs) have demonstrated strong capabilities in code generation, underscoring the critical need for rigorous and comprehensive evaluation. Existing evaluation approaches fall into three categories, including…

Software Engineering · Computer Science 2025-10-21 Xinchen Wang , Pengfei Gao , Chao Peng , Ruida Hu , Cuiyun Gao

Code coverage is a widely used metric for quantifying the extent to which program elements, such as statements or branches, are executed during testing. Calculating code coverage is resource-intensive, requiring code building and execution…

Software Engineering · Computer Science 2023-07-26 Michele Tufano , Shubham Chandel , Anisha Agarwal , Neel Sundaresan , Colin Clement

Automated documentation of programming source code is a challenging task with significant practical and scientific implications for the developer community. We present a large language model (LLM)-based application that developers can use…

Software Engineering · Computer Science 2025-12-17 Sayak Chakrabarty , Souradip Pal

Code completion models have made significant progress in recent years. Recently, repository-level code completion has drawn more attention in modern software development, and several baseline methods and benchmarks have been proposed.…

Advancements in large language models (LLMs) have demonstrated their potential in facilitating high-level reasoning, logical reasoning and robotics planning. Recently, LLMs have also been able to generate reward functions for low-level…

Robotics · Computer Science 2024-02-21 Marta Skreta , Zihan Zhou , Jia Lin Yuan , Kourosh Darvish , Alán Aspuru-Guzik , Animesh Garg

Exception handling is a vital forward error-recovery mechanism in many programming languages, enabling developers to manage runtime anomalies through structured constructs (e.g., try-catch blocks). Improper or missing exception handling…

Software Engineering · Computer Science 2026-01-06 Qingxiao Tao , Xiaodong Gu , Hao Zhong , Beijun Shen

Large language models (LLMs) have become essential tools in software development, widely used for requirements engineering, code generation and review tasks. Software engineers often rely on LLMs to verify if code implementation satisfy…

Software Engineering · Computer Science 2026-03-03 Haolin Jin , Huaming Chen

Large language models (LLMs) for automatic code generation have achieved breakthroughs in several programming tasks. Their advances in competition-level programming problems have made them an essential pillar of AI-assisted pair…

Cryptography and Security · Computer Science 2023-10-24 Hossein Hajipour , Keno Hassler , Thorsten Holz , Lea Schönherr , Mario Fritz

When a human requests an LLM to complete a coding task using functionality from a large code repository, how do we provide context from the repo to the LLM? One approach is to add the entire repo to the LLM's context window. However, most…

Computation and Language · Computer Science 2025-02-25 Zaid Khan , Ali Farhadi , Ranjay Krishna , Luca Weihs , Mohit Bansal , Tanmay Gupta

Large Language Models for Code (or code LLMs) are increasingly gaining popularity and capabilities, offering a wide array of functionalities such as code completion, code generation, code summarization, test generation, code translation,…

Software Engineering · Computer Science 2024-10-18 Rahul Krishna , Rangeet Pan , Raju Pavuluri , Srikanth Tamilselvam , Maja Vukovic , Saurabh Sinha

Code reasoning is a fundamental capability for large language models (LLMs) in the code domain. It involves understanding and predicting a program's execution behavior, such as determining the output for a given input or whether a specific…

Software Engineering · Computer Science 2025-07-24 Lingxiao Tang , He Ye , Zhongxin Liu , Xiaoxue Ren , Lingfeng Bao

The rapid development of Large Language Models (LLMs) for code generation has transformed software development by automating coding tasks with unprecedented efficiency. However, the training of these models on open-source code repositories…

Cryptography and Security · Computer Science 2025-11-04 Wenjie Qu , Yuguang Zhou , Bo Wang , Yuexin Li , Lionel Z. Wang , Jinyuan Jia , Jiaheng Zhang

Language models have been applied to various software development tasks, but the performance varies according to the scale of the models. Large Language Models (LLMs) outperform Small Language Models (SLMs) in complex tasks like…

Software Engineering · Computer Science 2024-12-30 Zexiong Ma , Shengnan An , Zeqi Lin , Yanzhen Zou , Bing Xie

Large Language Models (LLMs) have achieved remarkable success in code completion, as evidenced by their essential roles in developing code assistant services such as Copilot. Being trained on in-file contexts, current LLMs are quite…

Software Engineering · Computer Science 2024-02-20 Yichen Li , Yun Peng , Yintong Huo , Michael R. Lyu

Large Language Models (LLMs) have been widely used to automate programming tasks. Their capabilities have been evaluated by assessing the quality of generated code through tests or proofs. The extent to which they can reason about code is a…

Software Engineering · Computer Science 2026-04-08 Changshu Liu , Yang Chen , Reyhaneh Jabbarvand

We introduce DSCodeBench, a new benchmark designed to evaluate large language models (LLMs) on complicated and realistic data science code generation tasks. DSCodeBench consists of 1,000 carefully constructed problems sourced from realistic…

Software Engineering · Computer Science 2025-11-18 Shuyin Ouyang , Dong Huang , Jingwen Guo , Zeyu Sun , Qihao Zhu , Jie M. Zhang

Automating hardware design could obviate a significant amount of human error from the engineering process and lead to fewer errors. Verilog is a popular hardware description language to model and design digital systems, thus generating…

Programming Languages · Computer Science 2022-12-22 Shailja Thakur , Baleegh Ahmad , Zhenxing Fan , Hammond Pearce , Benjamin Tan , Ramesh Karri , Brendan Dolan-Gavitt , Siddharth Garg