Jinjun Peng

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intro.md   pub.md   exp.md   edu.md   ack.md

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Hello, World! 👋 I'm Jinjun Peng, a PhD student at [SSL](https://systems.cs.columbia.edu/).
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I am working on research about AI × SE, specifically on building code LLMs with better semantics in terms of functionality and safety.
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Welcome to contact me! If you want to collaborate with me or my advisors, feel free to drop an email.
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For Columbia people, please reach me via Columbia email.

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[LLM4Code '25] CWEval: Outcome-driven Evaluation on Functionality and Security of LLM Code Generation
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- **Jinjun Peng**, Leyi Cui, Kele Huang, Junfeng Yang, Baishakhi Ray
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- [arXiv:2501.08200](https://arxiv.org/abs/2501.08200)
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[NeurIPS '24] SemCoder: Training Code Language Models with Comprehensive Semantics
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- Yangruibo Ding, **Jinjun Peng**, Marcus J Min, Gail Kaiser, Junfeng Yang, Baishakhi Ray
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- [arXiv:2406.01006](https://arxiv.org/abs/2406.01006)
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[ESEC/FSE '23 **Distinguished Paper**] NeuRI: Diversifying DNN Generation via Inductive Rule Inference
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- Jiawei Liu, **Jinjun Peng**, Yuyao Wang, and Lingming Zhang
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- [arXiv:2302.02261](https://arxiv.org/abs/2302.02261)
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[OOPSLA '24] Quarl: A Learning-Based Quantum Circuit Optimizer
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- Zikun Li, **Jinjun Peng**, Yixuan Mei, Sina Lin, Yi Wu, Oded Padon, Zhihao Jia
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- [arXiv:2307.10120](https://arxiv.org/abs/2307.10120)

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**University of Illinois Urbana-Champaign, iSE-UIUC**, *Research Assistant*, 2022.08 - 2023.02
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- Mentored by [Prof. Lingming Zhang](http://lingming.cs.illinois.edu/)
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- Improved [NNSmith](https://github.com/ise-uiuc/nnsmith), a fuzz testing framework for deep learning compilers.
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- Closely work with [Jiawei Liu](https://jiawei-site.github.io/)
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**Carnegie Mellon University, Catalyst Group**, *Research Assistant*, 2022.02 - 2023.04
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- Mentored by [Prof. Zhihao Jia](https://www.cs.cmu.edu/~zhihaoj2/)
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- Developed a RL method for quantum circuit optimization.
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- Closely work with [Zikun Li](https://zikun-li.github.io/)

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**Columbia University**, PhD student, 2023 - 2028 (hopefully 🙏)
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- Luckily advised by Professors [Baishakhi Ray](https://www.rayb.info/) and [Junfeng Yang](http://www.cs.columbia.edu/~junfeng/).
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**Tsinghua University**, *B.E.*, 2019 - 2023
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- Department of Computer Science and Technology
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**Beijing National Day School**, 2016 - 2019
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- Always be proud of this unique school where students' dignity, individuality, and freedom are *highly* respected, which is rare in mainland China.

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- [Always] My friends, mentors, and collaborators.
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Funding:
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- [2024] Amazon Trusted AI Challenge ($250k)
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Compute Resource:
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- [2024] NSF ACCESS Program
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- [2024] OpenAI Researcher Access Program
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Travel:
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- [2023] NSF Student Travel Award