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Related papers: From Code Changes to Quality Gains: An Empirical S…

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Large Language Models (LLMs) for code generation evolve rapidly through fine-tuning, merging, or new model releases. However, such updates can introduce regressions, not only in correctness but also in code quality and performance. To…

Software Engineering · Computer Science 2025-07-28 Altaf Allah Abbassi , Leuson Da Silva , Amin Nikanjam , Foutse Khomh

Large language models (LLMs) excel in many natural language tasks, yet they struggle with complex mathemat-ical problem-solving, particularly in symbolic reasoning and maintaining consistent output. This study evalu-ates 10 LLMs with 7 to 8…

Machine Learning · Computer Science 2025-01-29 Evgenii Evstafev

While programming is one of the most broadly applicable skills in modern society, modern machine learning models still cannot code solutions to basic problems. Despite its importance, there has been surprisingly little work on evaluating…

AI-based code review tools automatically review and comment on pull requests to improve code quality. Despite their growing presence, little is known about their actual impact. We present a large-scale empirical study of 16 popular AI-based…

Software Engineering · Computer Science 2026-04-28 Kexin Sun , Hongyu Kuang , Sebastian Baltes , Xin Zhou , He Zhang , Xiaoxing Ma , Guoping Rong , Dong Shao , Christoph Treude

As developers increasingly rely on LLM-generated code summaries for documentation, testing, and review, it is important to study whether these summaries accurately reflect what the program actually does. LLMs often produce confident…

Software Engineering · Computer Science 2026-02-23 Lara Khatib , Micheal Pu , Bogdan Vasilescu , Meiyappan Nagappan

Nowadays, systems containing components based on machine learning (ML) methods are becoming more widespread. In order to ensure the intended behavior of a software system, there are standards that define necessary quality aspects of the…

Software Engineering · Computer Science 2020-08-26 Julien Siebert , Lisa Joeckel , Jens Heidrich , Koji Nakamichi , Kyoko Ohashi , Isao Namba , Rieko Yamamoto , Mikio Aoyama

Producing code of good quality is an essential skill in software development. Code quality is an aspect of software quality that concerns the directly observable properties of code, such as decomposition, modularization, and code flow. Code…

Software Engineering · Computer Science 2024-11-06 Eduardo Carneiro Oliveira , Hieke Keuning , Johan Jeuring

Context: Software systems are in continuous evolution through source code changes to fixing bugs, adding new functionalities and improving the internal architecture. All these practices are recorded in the version history, which can be…

Software Engineering · Computer Science 2020-01-17 Leandro Ungari Cayres , Bruno Santos de Lima , Rogério Eduardo Garcia

Code Large Language Models (CLLMs) have exhibited outstanding performance in program synthesis, attracting the focus of the research community. The evaluation of CLLM's program synthesis capability has generally relied on manually curated…

Software Engineering · Computer Science 2025-05-13 Longtian Wang , Tianlin Li , Xiaofei Xie , Yuhan Zhi , Jian Wang , Chao Shen

Refactoring enhances software quality without altering its functional behaviors. Understanding the refactoring activities of developers is crucial to improving software maintainability. With the increasing use of machine learning (ML)…

Software Engineering · Computer Science 2024-04-11 Shayan Noei , Heng Li , Ying Zou

The software development community has been using code quality metrics for the last five decades. Despite their wide adoption, code quality metrics have attracted a fair share of criticism. In this paper, first, we carry out a qualitative…

Software Engineering · Computer Science 2020-12-24 Tushar Sharma , Diomidis Spinellis

In the rapidly evolving software development landscape, Python stands out for its simplicity, versatility, and extensive ecosystem. Python packages, as units of organization, reusability, and distribution, have become a pressing concern,…

Software Engineering · Computer Science 2025-09-05 Haowei Quan , Junjie Wang , Xinzhe Li , Terry Yue Zhuo , Xiao Chen , Xiaoning Du

The quality of training data has a huge impact on the efficiency, accuracy and complexity of machine learning tasks. Various tools and techniques are available that assess data quality with respect to general cleaning and profiling checks.…

Large language models (LLMs) are increasingly applied to materials science questions, including literature comprehension, property prediction, materials discovery and alloy design. At the same time, a wide range of physics-based…

Materials Science · Physics 2025-12-17 Siyu Liu , Bo Hu , Beilin Ye , Jiamin Xu , David J. Srolovitz , Tongqi Wen

Recent work targeting large language models (LLMs) for code generation demonstrated that increasing the amount of training data through synthetic code generation often leads to exceptional performance. In this paper we explore data pruning…

Software Engineering · Computer Science 2024-07-09 Yun-Da Tsai , Mingjie Liu , Haoxing Ren

The manual generation of test scripts is a time-intensive, costly, and error-prone process, indicating the value of automated solutions. Large Language Models (LLMs) have shown great promise in this domain, leveraging their extensive…

Software Engineering · Computer Science 2025-06-18 Victor Alves , Carla Bezerra , Ivan Machado , Larissa Rocha , Tássio Virgínio , Publio Silva

Code review is essential for maintaining software quality but often time-consuming and cognitively demanding, especially in industrial environments. Recent advancements in language models (LMs) have opened new avenues for automating core…

Software Engineering · Computer Science 2025-10-24 Igli Begolli , Meltem Aksoy , Daniel Neider

Code-related benchmarks play a critical role in evaluating large language models (LLMs), yet their quality fundamentally shapes how the community interprets model capabilities. In the past few years, awareness of benchmark quality has…

Code data has been shown to enhance the reasoning capabilities of large language models (LLMs), but it remains unclear which aspects of code are most responsible. We investigate this question with a systematic, data-centric framework. We…

Computation and Language · Computer Science 2025-10-03 Abdul Waheed , Zhen Wu , Carolyn Rosé , Daphne Ippolito

Software quality-in-use comprehends the quality from user's perspectives. It has gained its importance in e-learning applications, mobile service based applications and project management tools. User's decisions on software acquisitions are…

Software Engineering · Computer Science 2015-02-02 Issa Atoum , Chih How Bong , Narayanan Kulathuramaiyer