Pak Lui contributed to the ROCm/rocm-systems and ROCm/TransferBench repositories, focusing on kernel configuration checks and data transfer enhancements. He improved DMABUF support detection in ROCm/rocm-systems by refining kernel config parsing and implementing robust validation, using C++ and Linux system utilities to ensure reliable enablement and reduce false failures. In ROCm/TransferBench, Pak expanded qpCount storage limits and updated documentation to support larger data transfers, while also correcting function definitions for code accuracy. His work emphasized portability and reliability by enhancing zcat path detection and system calls, demonstrating depth in system programming and CMake-driven build environments.