I-Hsuan Huang focused on improving the reliability of ROC Profiler in the ROCm/rocm-systems repository by addressing a parsing issue in rocprofv3. Using Python and leveraging strong debugging skills, I-Hsuan refactored the parsing workflow to ensure comment lines were removed before evaluating PMC directives, which prevented duplicate profiling passes and improved profiling accuracy. The solution involved reordering the process_line logic and implementing targeted edge-case tests to validate both commented and valid PMC directives. This work reduced debugging time and preserved command-line interface behavior for --pmc, demonstrating careful attention to detail and a methodical approach to software development challenges.