Kai Chen developed a new L1 cache control flag for LSC stores within the intel/compute-runtime repository, focusing on device driver development and embedded systems using C++. He introduced the hasLscStoresWithNonDefaultL1CacheControls flag to ZeInfo, enabling configurable L1 cache behavior for LSC workloads while maintaining backward compatibility through safe default handling. By integrating this flag into the ZeInfo decoding path, Kai laid the groundwork for future cache policy tuning and performance optimization. His work provided precise cache control, improving data throughput and predictability for LSC stores, and demonstrated a strong grasp of low-level programming and system integration.