Worked on the libsdl-org/SDL repository to optimize GPU synchronization performance by enhancing the SDL_WaitForGPUFences function. Introduced an early-exit mechanism that returns immediately when the number of GPU fences is zero, thereby reducing unnecessary CPU overhead and streamlining frame readiness in GPU-bound workflows. This targeted feature, implemented in C with a focus on software optimization and GPU programming, improved resource utilization and lowered latency in scenarios where GPU synchronization is critical. The approach demonstrated effective use of early-return patterns and git-based change management, reflecting a methodical focus on efficiency and maintainability within the codebase during the development period.