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Advancing Towards Independent Software Development: The Revolution of Software Engineering Agents

Language models (LMs) are becoming increasingly important in the field of software engineering. They serve as a bridge between users and computers, improving code generated by LMs based on feedback from the machines. LMs have made significant strides in functioning independently in computer environments, which could potentially fast-track the software development process. However, the practical implementation of this autonomous approach requires further exploration.

Code generation benchmarks are vital for evaluating the performance of LMs. These benchmarks have evolved to include a variety of tasks like translating problems to different programming languages and integrating third-party libraries. As LMs develop rapidly, traditional benchmarks could become overloaded. As a result, recent efforts have focused on the more complex world of software engineering (SE) generating new SE benchmarks like SWE-bench. Such benchmarks reflect real-world SE hurdles and demonstrate the practicality of LMs. Simultaneously, language agents represent a significant shift toward interactive LM settings, with applications extending to different tasks like web navigation, computer management, and code generation.

SWE-agent is the brainchild of researchers from Princeton Language and Intelligence (PLI), Princeton University. This is an autonomously functioning LM-based system developed to solve real-world software engineering challenges as presented by SWE-bench. The underlying idea behind SWE-agent involves building an agent-computer interface intent on outperforming conventional interfaces like the Linux shell, considered ineffectual for efficient LM interaction. This shift towards creating a more effective interface for the SWE-agent has led to considerable improvements in its performance.

Consequently, SWE-agent is revolutionizing LM interaction within software engineering. It provides an interface specifically designed for LMs, enhancing their performance significantly as compared to traditional interfaces. The system maintains all major components crucial for efficient codebase navigation and editing and effectively manages distracting elements and errors. Equipped with a code linter, SWE-agent alerts the model to any file editing mistakes, ensuring high-quality coding. Moreover, features relating to context management include brief prompts, error messages, and history processors to maintain an informative agent context and augment interaction clarity.

When combined with GPT-4 Turbo, the performance of SWE-agent stands superior, successfully solving difficult challenges. SWE-agent’s file editor allows for efficient multi-line edits and instant feedback, unlike the restrictive options found in a Shell-only setting. It includes safety measures for error recovery, reducing repetitive editing caused by syntax errors and enhancing overall performance.

In conclusion, the researchers have introduced SWE-agent, a new language agent specifically designed for software engineering tasks. It exhibits superb performance on SWE-bench, demonstrating the need for building interfaces specific to different agent needs. The research team has shared their code, prompts, and generations and have also left room for potential future extensions. The overarching goal behind SWE-agent is to inspire progress in agent flexibility and capability for future software engineering projects.

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