During October 2024, Huawei Li focused on stabilizing CUDA sample code in the NVIDIA/CUDALibrarySamples repository, addressing a critical build issue in the SpMM CSR Operation sample. He resolved a bug in the NVRTC compilation process by correcting architecture string formatting and replacing incorrect LTIOIR retrieval with proper NVVM usage. This patch, implemented in C with deep knowledge of CUDA and GPU computing, ensured that sparse matrix-matrix multiplication kernels compile reliably across targeted GPUs. By removing build-time blockers and validating architecture-aware compilation, Huawei Li improved the reliability and maintainability of sparse-matrix operation samples for developers evaluating CUDA workflows.