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LLMs have achieved strong results on both function-level code synthesis and repository-level code modification, yet a capability that falls between these two extremes -- compositional code creation, i.e., building a complete, internally…

Software Engineering · Computer Science 2026-04-30 Yeheng Chen , Chaoxiang Xie , Yuling Shi , Wenhao Zeng , Yongpan Wang , Hongyu Zhang , Xiaodong Gu

In recent years, Large Language Models (LLMs) have dramatically advanced the performance of automated code translation, making their computational accuracy score reach up to over 80% on many previous benchmarks. However, most code samples…

Software Engineering · Computer Science 2025-04-15 Pengyu Xue , Linhao Wu , Zhen Yang , Chengyi Wang , Xiang Li , Yuxiang Zhang , Jia Li , Ruikai Jin , Yifei Pei , Zhaoyan Shen , Xiran Lyu , Jacky Wai Keung

Existing code generation benchmarks for Large Language Models (LLMs) such as HumanEval and MBPP are designed to study LLMs' end-to-end performance, where the benchmarks feed a problem description in natural language as input and examine the…

Software Engineering · Computer Science 2025-02-27 Jiarong Wu , Songqiang Chen , Jialun Cao , Hau Ching Lo , Shing-Chi Cheung

Large Language Models (LLMs) excel in code-related tasks like code generation, but benchmark evaluations often overlook task characteristics, such as difficulty. Moreover, benchmarks are usually built using tasks described with a single…

Software Engineering · Computer Science 2025-10-27 Florian Tambon , Amin Nikanjam , Cyrine Zid , Foutse Khomh , Giuliano Antoniol

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

How to evaluate the coding abilities of Large Language Models (LLMs) remains an open question. We find that existing benchmarks are poorly aligned with real-world code repositories and are insufficient to evaluate the coding abilities of…

Recently, large language models (LLMs), especially those that are pretrained on code, have demonstrated strong capabilities in generating programs from natural language inputs in a few-shot or even zero-shot manner. Despite promising…

Program synthesis has been long studied with recent approaches focused on directly using the power of Large Language Models (LLMs) to generate code. Programming benchmarks, with curated synthesis problems and test-cases, are used to measure…

Software Engineering · Computer Science 2023-11-01 Jiawei Liu , Chunqiu Steven Xia , Yuyao Wang , Lingming Zhang

This study presents a comprehensive empirical evaluation of six state-of-the-art large language models (LLMs) for code generation, including both general-purpose and code-specialized models. Using a dataset of 944 real-world LeetCode…

Software Engineering · Computer Science 2025-12-23 Le Zhang , Suresh Kothari

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) are predominantly assessed based on their common sense reasoning, language comprehension, and logical reasoning abilities. While models trained in specialized domains like mathematics or coding have demonstrated…

Software Engineering · Computer Science 2026-01-08 Danny Brahman , Mohammad Mahoor

How to evaluate Large Language Models (LLMs) in code generation is an open question. Many benchmarks have been proposed but are inconsistent with practical software projects, e.g., unreal program distributions, insufficient dependencies,…

We introduce self-invoking code generation, a new task designed to evaluate the progressive reasoning and problem-solving capabilities of LLMs. In this task, models are presented with a base problem and a related, more complex problem. They…

Software Engineering · Computer Science 2025-01-03 Zhaojian Yu , Yilun Zhao , Arman Cohan , Xiao-Ping Zhang

Code generation models can help improve many common software tasks ranging from code completion to defect prediction. Most of the existing benchmarks for code generation LLMs focus on code authoring or code completion. Surprisingly, there…

Software Engineering · Computer Science 2025-03-20 Kush Jain , Gabriel Synnaeve , Baptiste Rozière

Code large language models (LLMs) have shown remarkable advances in code understanding, completion, and generation tasks. Programming benchmarks, comprised of a selection of code challenges and corresponding test cases, serve as a standard…

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

Large Language Models (LLMs) have proved effective and efficient in generating code, leading to their utilization within the hardware design process. Prior works evaluating LLMs' abilities for register transfer level code generation solely…

Computation and Language · Computer Science 2024-04-16 Matthew DeLorenzo , Vasudev Gohil , Jeyavijayan Rajendran

Large Language Models (LLMs) are widely adopted for automated code generation with promising results. Although prior research has assessed LLM-generated code and identified various quality issues -- such as redundancy, poor maintainability,…

Software Engineering · Computer Science 2025-08-12 Altaf Allah Abbassi , Leuson Da Silva , Amin Nikanjam , Foutse Khomh

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

Writing code requires significant time and effort in software development. To automate this process, researchers have made substantial progress using Large Language Models (LLMs) for code generation. Many benchmarks like HumanEval and…

Software Engineering · Computer Science 2026-04-27 Jia Li , Hongyi Deng , Yiran Zhang , Kechi Zhang , Tianqi Shao , Tiankuo Zhao , Weinan Wang , Zhi Jin , Ge Li , Yang Liu , Yingtao Fang , Yihong Dong
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