Qisa Chen worked on the alibaba/rtp-llm repository, focusing on enhancing block buffer generation performance for large language model workloads. By removing the iov_size check from the genBlockBuffers function, Qisa simplified the critical path logic, reducing conditional overhead and streamlining buffer generation. This C++ development effort emphasized algorithm optimization and system programming, resulting in more efficient throughput and laying groundwork for future improvements. The work was delivered with clear code review practices and aligned commits, reflecting attention to maintainability and standards. Over the month, Qisa contributed one feature, demonstrating depth in optimizing core infrastructure without addressing major bug fixes.