Insights into Deep Learning Refactoring: Bridging the Gap Between Practices and Expectations

• URL: http://arxiv.org/abs/2405.04861v1
• Date: Wed, 8 May 2024 07:35:14 GMT
• Title: Insights into Deep Learning Refactoring: Bridging the Gap Between Practices and Expectations
• Authors: SiQi Wang, Xing Hu, Bei Wang, WenXin Yao, Xin Xia, XingYu Wang,
• Abstract summary: Deep learning software has become progressively complex as the software evolves. The insight of code in the context of deep learning is still unclear. Research and the development of related tools are crucial for improving project maintainability and code quality.
• Score: 13.084553746852382
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: With the rapid development of deep learning, the implementation of intricate algorithms and substantial data processing have become standard elements of deep learning projects. As a result, the code has become progressively complex as the software evolves, which is difficult to maintain and understand. Existing studies have investigated the impact of refactoring on software quality within traditional software. However, the insight of code refactoring in the context of deep learning is still unclear. This study endeavors to fill this knowledge gap by empirically examining the current state of code refactoring in deep learning realm, and practitioners' views on refactoring. We first manually analyzed the commit history of five popular and well-maintained deep learning projects (e.g., PyTorch). We mined 4,921 refactoring practices in historical commits and measured how different types and elements of refactoring operations are distributed and found that refactoring operation types' distribution in deep learning projects is different from it in traditional Java software. We then surveyed 159 practitioners about their views of code refactoring in deep learning projects and their expectations of current refactoring tools. The result of the survey showed that refactoring research and the development of related tools in the field of deep learning are crucial for improving project maintainability and code quality, and that current refactoring tools do not adequately meet the needs of practitioners. Lastly, we provided our perspective on the future advancement of refactoring tools and offered suggestions for developers' development practices.

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