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This paper presents insights from evaluating 16 frontier large language models (LLMs) on the WebApp1K benchmark, a test suite designed to assess the ability of LLMs to generate web application code. The results reveal that while all models…

Software Engineering · Computer Science 2024-09-10 Yi Cui

The capabilities of Large Language Models (LLMs) in code generation have been extensively studied, particularly for implementing target functionalities from natural-language descriptions. Alternatively, input-output (I/O) examples provide…

Software Engineering · Computer Science 2025-05-13 Yingjie Fu , Bozhou Li , Linyi Li , Wentao Zhang , Tao Xie

Competitive programming platforms like LeetCode, Codeforces, and HackerRank evaluate programming skills, often used by recruiters for screening. With the rise of advanced Large Language Models (LLMs) such as ChatGPT, Gemini, and Meta AI,…

Software Engineering · Computer Science 2024-09-10 Md Mustakim Billah , Palash Ranjan Roy , Zadia Codabux , Banani Roy

Pre-trained large language models (LLMs) have significantly improved code generation. As these models scale up, there is an increasing need for the output to handle more intricate tasks and to be appropriately specialized to particular…

Machine Learning · Computer Science 2024-05-22 Xiangru Tang , Bill Qian , Rick Gao , Jiakang Chen , Xinyun Chen , Mark Gerstein

Large language models (LLMs) can generate code from natural language descriptions. Their performance is typically evaluated using programming benchmarks that simulate real-world tasks. These benchmarks provide specifications in the form of…

Databases · Computer Science 2025-07-09 Shuning Zhang , Yongjoo Park

The recent advancements of Small Language Models (SLMs) have opened new possibilities for efficient code generation. SLMs offer lightweight and cost-effective alternatives to Large Language Models (LLMs), making them attractive for use in…

Software Engineering · Computer Science 2026-01-21 Md Mahade Hasan , Muhammad Waseem , Kai-Kristian Kemell , Jussi Rasku , Juha Ala-Rantala , Pekka Abrahamsson

Evaluating Large Language Models (LLMs) with respect to real-world code complexity is essential. Otherwise, there is a risk of overestimating LLMs' programming abilities based on simplistic benchmarks, only to be disappointed when using…

Software Engineering · Computer Science 2026-02-24 Yang Chen , Shuyang Liu , Reyhaneh Jabbarvand

Code LLMs are being rapidly deployed and there is evidence that they can make professional programmers more productive. Current benchmarks for code generation measure whether models generate correct programs given an expert prompt. In this…

Machine Learning · Computer Science 2023-06-08 Hannah McLean Babe , Sydney Nguyen , Yangtian Zi , Arjun Guha , Molly Q Feldman , Carolyn Jane Anderson

GPGPU architectures have become significantly more diverse in recent years, which has led to an emergence of a variety of specialized programming models and software stacks to support them. Portable programming models exist, but they…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-08 Joshua H. Davis , Daniel Nichols , Ishan Khillan , Abhinav Bhatele

We introduce BigO(Bench), a novel coding benchmark designed to evaluate the capabilities of generative language models in understanding and generating code with specified time and space complexities. This benchmark addresses the gap in…

Computation and Language · Computer Science 2025-03-21 Pierre Chambon , Baptiste Roziere , Benoit Sagot , Gabriel Synnaeve

As large language models (LLMs) continue to advance in programming tasks, LLM-driven coding systems have evolved from one-shot code generation into complex systems capable of iterative improvement during inference. However, existing code…

Software Engineering · Computer Science 2026-02-12 Wentao Zhang , Jianfeng Wang , Liheng Liang , Yilei Zhao , HaiBin Wen , Zhe Zhao

The rise of Large Language Models (LLMs) as coding agents promises to accelerate software development, but their impact on generated code reproducibility remains largely unexplored. This paper presents an empirical study investigating…

Software Engineering · Computer Science 2026-03-25 Bhanu Prakash Vangala , Ali Adibifar , Ashish Gehani , Tanu Malik

This work investigates the performance of Large Language Models (LLMs) in generating ABAP code. Despite successful applications of generative AI in many programming languages, there are hardly any systematic analyses of ABAP code generation…

Software Engineering · Computer Science 2026-01-22 Stephan Wallraven , Tim Köhne , Hartmut Westenberger , Andreas Moser

Code translation is a crucial activity in the software development and maintenance process, and researchers have recently begun to focus on using pre-trained large language models (LLMs) for code translation. However, existing LLMs only…

Software Engineering · Computer Science 2025-09-30 Minghua He , Yue Chen , Fangkai Yang , Pu Zhao , Wenjie Yin , Yu Kang , Qingwei Lin , Saravan Rajmohan , Dongmei Zhang

Existing evaluation benchmarks of language models of code (code LMs) focus almost exclusively on whether the LMs can generate functionally-correct code. In real-world software engineering, developers think beyond functional correctness.…

Software Engineering · Computer Science 2024-10-01 Manav Singhal , Tushar Aggarwal , Abhijeet Awasthi , Nagarajan Natarajan , Aditya Kanade

Code benchmarks such as HumanEval are widely adopted to evaluate the capabilities of Large Language Models (LLMs), providing insights into their strengths and weaknesses. However, current benchmarks primarily exercise LLMs' capability on…

Artificial Intelligence · Computer Science 2024-08-26 Qiming Zhu , Jialun Cao , Yaojie Lu , Hongyu Lin , Xianpei Han , Le Sun , Shing-Chi Cheung

Software engineering activities such as package migration, fixing errors reports from static analysis or testing, and adding type annotations or other specifications to a codebase, involve pervasively editing the entire repository of code.…

Tool learning has emerged as a crucial capability for large language models (LLMs) to solve complex real-world tasks through interaction with external tools. Existing approaches face significant challenges, including reliance on…

Computation and Language · Computer Science 2025-06-02 Hanxing Ding , Shuchang Tao , Liang Pang , Zihao Wei , Jinyang Gao , Bolin Ding , Huawei Shen , Xueqi Cheng

While Large Language Models (LLMs) show significant potential in hardware engineering, current benchmarks suffer from saturation and limited task diversity, failing to reflect LLMs' performance in real industrial workflows. To address this…

Artificial Intelligence · Computer Science 2026-02-03 Zhongkai Yu , Chenyang Zhou , Yichen Lin , Hejia Zhang , Haotian Ye , Junxia Cui , Zaifeng Pan , Jishen Zhao , Yufei Ding

Large language models (LLMs) have achieved strong performance on code generation. However, most prior evaluations focus on snippet-level outputs, such as function generation or repository completion. These settings do not fully evaluate…

Software Engineering · Computer Science 2026-03-31 Ruwei Pan , Yakun Zhang , Qingyuan Liang , Yueheng Zhu , Chao Liu , Lu Zhang , Hongyu Zhang