colin@world:~ $ whoami

[colin@world ~]$ whoami

[colin@world ~]$ cat interests.md

My current research interests include:
- Continual Learning: how to effectively and efficiently learn new knowledge and adapt to evolving environments
- Physics of AI: how to use clean, controlled experiments to understand and describe AI better

[colin@world ~]$ cat ./pubs/*_selected*

[arXiv] SWE-Spot: Building Small Repo-Experts with Repository-Centric Learning
Jinjun Peng*, Magnus Saebo*, Tianjun Zhong, Yi-Jie Cheng, Junfeng Yang, Baishakhi Ray, Simin Chen, Yangruibo Ding
[arXiv:2601.21649] [blog]
[LLM4Code '25] CWEval: Outcome-driven Evaluation on Functionality and Security of LLM Code Generation
Jinjun Peng, Leyi Cui, Kele Huang, Junfeng Yang, Baishakhi Ray
[arXiv:2501.08200] [code]
[NeurIPS '24] SemCoder: Training Code Language Models with Comprehensive Semantics Reasoning
Yangruibo Ding, Jinjun Peng, Marcus J Min, Gail Kaiser, Junfeng Yang, Baishakhi Ray
[arXiv:2406.01006] [code]
[ESEC/FSE '23 Distinguished Paper] NeuRI: Diversifying DNN Generation via Inductive Rule Inference
Jiawei Liu, Jinjun Peng, Yuyao Wang, and Lingming Zhang
[arXiv:2302.02261] [code 0] [code 1]
[OOPSLA '24] Quarl: A Learning-Based Quantum Circuit Optimizer
Zikun Li, Jinjun Peng, Yixuan Mei, Sina Lin, Yi Wu, Oded Padon, Zhihao Jia
[arXiv:2307.10120] [code]

[colin@world ~]$ cat ./exps/*

Amazon, Applied Scientist Intern, 2025.05 - 2025.08
- Agentic retrieval for coding tasks
Columbia University, Ph.D. student in Computer Science, 2023.09 - ?
- Advised by Professors Baishakhi Ray and Junfeng Yang.
Tsinghua University, B.E. in Computer Science, 2019 - 2023
Beijing National Day School, 2016 - 2019
- Where dreams begin.

[colin@world ~]$ cat talks.md

- [2026.02] Microsoft & GitHub Copilot Applied Science: Repo-Centric Learning (SWE-Spot)

[colin@world ~]$ cat services.md

Program Committee/Reviewer
- ICLR ['26], ICML ['26] (silver), NeurIPS ['26]
- DL4C @ NeurIPS ['25], ASE NIER '25
- TSE ['25], TOSEM ['25], TKDD ['25], Journal of Big Data ['25]

[colin@world ~]$ cat ack.md

[colin@world ~]$ curl slow-science.org

[colin@world ~]$ curl ./I-love-roadtrips 🚙

Jinjun Peng