I am Yuji Liu, an Information Security undergraduate at the School of Cyber Science and Engineering, Wuhan University, and an incoming Ph.D. student at the Institute of Computing Technology, Chinese Academy of Sciences. My research interests focus on high-performance computing (HPC) networks and computing, as well as AI infrastructure.

Contact: 13718620138

liuyuji010@126.com

🔥 News

2025.07: 🎉🎉 Won Second Prize in the 18th Chinese Collegiate Computing Competition
2025.07: 🎉🎉 Won Second Prize in the 2025 Network Technology Challenge Finals
2025.01: 🎉🎉 Won Second Prize in National College Student Computer System Capability Competition - OS Design Track

💻 Research & Project Experience

Completed unified deployment and communication optimization for large-scale scale-up and cross-node cluster scale-out
Utilized NCCL to improve inter-node communication, migration, and congestion handling
Implemented adaptive computation and communication scheduling algorithm based on network-shared task allocation

Chinese Academy of Sciences “One Student, One Chip” Program | ICT | Student/TA | 2024.07-Present

Completed “One Student, One Chip” learning program (ysyx-240700013), reaching Stage B pipeline
Completed Nanjing University’s “Program Analysis” course experiments independently, implemented a complete RV32I instruction set simulator NEMU in C, supporting privilege modes, disk, VGA and other device simulations
Following the “specification, design, implementation” three-stage learning approach, completed a five-stage pipelined RV32I processor in Chisel with data forwarding and hazard handling, supporting FLASH, PSRAM, SDRAM, VGA peripheral modules
Chip fabrication link: https://docs.qq.com/sheet/DTUBBaVZzd01OY1FY, Code repository: https://github.com/LuLuji04/ysyx-workbench
TA work: Admissions Interviewer for the “One Student One Chip” Program, C-Stage Assessment Interviewer, and Teaching Assistant for Group C202

Research on DoS Attack Resistance in Trusted Execution Environment | ICT | Intern | 2025.06-2025.08

Deployed and configured a Keystone TEE-based experimental platform for secure application testing
Evaluated the impact of DoS attacks on confidential workloads under multi-dimensional resource pressure, including CPU, memory, and I/O stress

National Innovation Project: Large Language Model Empowered Hardware Fuzzing Framework | WHU | Project Leader | 2024.09-2025.06

Designed and implemented a processor verification platform integrating Large Language Models (LLMs) with hardware fuzzing
Utilized LLMs for semantic-aware vulnerability identification and intelligent instruction generation, combined with coverage-guided fuzzing for high-throughput random exploration
Discovered and responsibly disclosed real-world vulnerabilities: 3 in XiangShan (#4664, #4666, #4668), 2 in NEMU (#4575, #4577), 1 in NutShell (#868*), and 1 in BOOM (CVE-2025-50897)
Proposed 1 official issue template improvement suggestion (#4555)
Source code repository: https://github.com/LuLuji04/LLM-HWFuzz
Issues marked with * were submitted to https://github.com/OpenXiangShan/NEMU/issues; others to https://github.com/OpenXiangShan/XiangShan/issues

🎖 Honors and Awards

2025.10 Wuhan University Special Scholarship
2025.10 Wuhan University Merit Student
2025.05 Leijun Computer Innovation and Development Funding
2023.10 Wuhan University Active Social Activist

📖 Education

ICT

Institute of Computing Technology, Chinese Academy of Sciences (ICT)

2026.09 - Future

High Performance Computer Research Center, Computer Science and Technology, Ph.D.

WHU

Wuhan University (WHU)

2022.09 - 2026.06

School of Cyber Science and Engineering, B.Eng. in Information Security

GPA 3.88/4.0 (Ranked 15/185); CET-6: 591, CET-4: 586

🛠 Skills

Programming Languages

Proficient in CUDA / C / C++, Python, Chisel/Verilog

Development Tools

Build Tools: Make, Cmake
Communication Libraries: Cutlass, NCCL
Debugging Tools: cuda-gdb, GDB, Nsight

Yuji Liu