During March 2026, Ngtz focused on enhancing the stability of the alibaba/MNN repository by addressing a critical deadlock issue in the CPU backend related to memory-mapped weights. Using C++ and leveraging expertise in backend development and memory management, Ngtz introduced a synchronization validity flag and improved handling of cached memory to prevent deadlocks caused by partially initialized mmap weights. This solution increased system reliability and reduced potential downtime during model loading and initialization. The work demonstrated a strong grasp of low-level concurrency control and memory operations, contributing to more robust production pipelines and predictable model deployment in real-world environments.