Worked on enhancing the reliability and maintainability of the XPU backend in the intel/torch-xpu-ops repository by focusing on the aten::record_stream functionality. Developed a comprehensive test suite in C++ and Python to validate memory management and stream synchronization during tensor operations, ensuring correctness and reducing future debugging time. Refactored RecordStream.cpp to improve code organization and readability, supporting ongoing software maintenance and easier integration of future features. Leveraged expertise in GPU programming, PyTorch, and code refactoring to address backend challenges, laying a foundation for future performance optimizations and contributing to the long-term stability of the XPU backend.