Selected Projects & Research

GPU/ML-Enhanced Large Scale Global Routing

Jan 2024 - Jan 2025

🏆 NSTC Research Award Winner

  • Engineered a high-performance, GPU-accelerated global router for large-scale industrial designs with over 200 million pins.
  • Implemented a hybrid of Reinforcement Learning (RL) and rule-based policies to make intelligent, timing-driven routing decisions.
  • Outperformed state-of-the-art routers on multiple industry benchmarks, achieving a 16x computational speedup against GAMER and improving critical timing (WNS) by over 55% against Instant GR.
C/C++CUDAMachine Learning

Mixed-Size 3D Analytical Placement

Feb 2023 - Nov 2023

🥇 Global 1st Place at IEEE/ACM CAD Contest

  • Architected a scalable, true-3D analytical placer for large-scale, F2F stacked ICs, proven on complex industrial designs with 740k+ cells.
  • Utilized a multi-technology objective function and HBT-cell co-optimization to directly optimize for the final PPA.
  • Delivered a state-of-the-art placer that achieved 6.4% performance gains over the 2nd-place team.
EDA AlgorithmC++

Text-Guided Voice Conversion

Aug 2023 - Dec 2024
  • Developed a novel, end-to-end RLAIF pipeline for voice conversion, leveraging the Hugging Face TRL library to fine-tune transformer models with Direct Preference Optimization (DPO).
  • Engineered a multi-objective reward function by fusing CLAPS, ASR, and MOS signals to improve alignment and vocal fidelity.
PythonPyTorchNLP / Speech

Intelligent IoT-Enabled Waste Collection System

Apr 2023 - May 2023
  • Engineered a complete autonomous navigation system on ESP32 and PSoC microcontrollers, using ultrasonic sensors for dynamic obstacle avoidance and a fine-tuned PID controller for precise line tracking.
  • Architected the underlying embedded system with FreeRTOS for real-time performance and utilized AWS IoT for remote dispatch.
C/C++Embedded SystemsFreeRTOSAWS IoT

NTUEE+ Alumni Platform

Jul 2022 - Jun 2023
  • Architected a full-stack platform serving 1,000+ users with Node.js RESTful API, JWT authentication, React frontend, real-time WebSocket chat, and MongoDB database.
  • Built a CI/CD pipeline with Docker for automated GCP deployment, and reduced database query latency by 40% via indexing.
ReactNode.jsMongoDBDocker / GCP