Jiasicheng worked on the pytorch/executorch repository, focusing on enhancing the stability and maintainability of the Vulkan backend. Using C++, Python, and the Vulkan API, Jiasicheng improved the partitioner logic to ensure compatibility with various texture memory layouts and added robust logging for better debugging. The work included cleaning up deprecated partitioning configurations and rolling back features to streamline backend configuration management. Jiasicheng also updated documentation and inline comments to support future maintenance. By updating the code baseline and dependencies for LM_eval compatibility, Jiasicheng improved build reliability and cross-platform support, demonstrating a thorough and detail-oriented engineering approach.