Yichit worked on the gem5/gem5 repository, focusing on optimizing debug logging within the register bank. Using C++ and leveraging strong debugging and system development skills, Yichit introduced a targeted change that gated log message formatting behind the tracing status of the _debug_flag. This approach ensured that debug messages were only formatted and emitted when tracing was active, reducing unnecessary runtime overhead and minimizing log noise in production environments. The work demonstrated careful attention to performance and observability, delivering a low-risk patch that improved the maintainability of the debugging infrastructure while supporting faster issue diagnosis and cleaner production logs.