Xixi Chen contributed to the intel/sycl-tla repository by refactoring the Flash Attention kernel’s CausalMask logic to enable code reuse and potential compiler optimizations, while also improving host-device random data generation by leveraging shared host-side implementations. Using C++ and SYCL, Xixi addressed reliability and maintainability across SYCL and CUDA configurations, introducing conditional CUDA interface inclusion to prevent erroneous calls in non-SYCL builds. Additionally, Xixi resolved a profiling workflow issue by ensuring timer events reset after each measurement, supporting accurate repeated profiling. The work demonstrated depth in kernel development, debugging, and performance optimization, resulting in more robust and portable GPU programming workflows.