CodeScore-R: An Automated Robustness Metric for Assessing the FunctionalCorrectness of Code Synthesis

Fuente: arXiv
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Auteurs principaux: Yang, Guang, Zhou, Yu, Chen, Xiang, Zhang, Xiangyu
Format: Preprint
Publié: 2024
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_version_ 1866911912526086144
author Yang, Guang
Zhou, Yu
Chen, Xiang
Zhang, Xiangyu
author_facet Yang, Guang
Zhou, Yu
Chen, Xiang
Zhang, Xiangyu
contents Evaluation metrics are crucial in the field of code synthesis. Commonly used code evaluation metrics canbe classified into three types: match-based, semantic-based, and execution-based. Among them, the execution-basedPass@k metric accurately assesses the functionality of predicted code by executing test cases. However, calculatingthis metric requires a significant amount of overhead, necessitating the design of an automated evaluation metric thatcan assess the functionality of predicted code without the need for test cases. Additionally, a good evaluation metricshould be robust, that is the metric can maintain its accuracy even when the predicted code undergoes minor changes.To address these challenges, we propose an automated robust metric, called CodeScore-R, based on UniXcoder andcontrastive learning, for evaluating the functionality of code synthesis. CodeScore-R employs techniques such assketch-based processing, syntactic-equivalent transformations, and mutation testing to effectively mitigate theinterference caused by identifiers, syntax structures, and operators on evaluation results. Experimental resultsdemonstrate that in the tasks of code generation and migration in Java and Python, CodeScore-R outperforms otherevaluation metrics and is more closely aligned with the Pass@k metric, while exhibiting stronger robustness.
format Preprint
id arxiv_https___arxiv_org_abs_2406_06902
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle CodeScore-R: An Automated Robustness Metric for Assessing the FunctionalCorrectness of Code Synthesis
Yang, Guang
Zhou, Yu
Chen, Xiang
Zhang, Xiangyu
Software Engineering
Evaluation metrics are crucial in the field of code synthesis. Commonly used code evaluation metrics canbe classified into three types: match-based, semantic-based, and execution-based. Among them, the execution-basedPass@k metric accurately assesses the functionality of predicted code by executing test cases. However, calculatingthis metric requires a significant amount of overhead, necessitating the design of an automated evaluation metric thatcan assess the functionality of predicted code without the need for test cases. Additionally, a good evaluation metricshould be robust, that is the metric can maintain its accuracy even when the predicted code undergoes minor changes.To address these challenges, we propose an automated robust metric, called CodeScore-R, based on UniXcoder andcontrastive learning, for evaluating the functionality of code synthesis. CodeScore-R employs techniques such assketch-based processing, syntactic-equivalent transformations, and mutation testing to effectively mitigate theinterference caused by identifiers, syntax structures, and operators on evaluation results. Experimental resultsdemonstrate that in the tasks of code generation and migration in Java and Python, CodeScore-R outperforms otherevaluation metrics and is more closely aligned with the Pass@k metric, while exhibiting stronger robustness.
title CodeScore-R: An Automated Robustness Metric for Assessing the FunctionalCorrectness of Code Synthesis
topic Software Engineering
url https://arxiv.org/abs/2406.06902