Worked on performance-focused development for the godotengine/godot repository, specifically targeting improvements in the hash set data structure. Developed and implemented an optimized clear function by replacing an iterative loop with a memset call, which enhanced runtime efficiency in common hot paths. To maintain correctness for all type categories, also introduced a conditional destructor invocation for non-trivially destructible types. This approach ensured both performance gains and safety across diverse use cases. The work was carried out using C++ and demonstrated skills in data structures and performance optimization, addressing a core aspect of the engine’s internal memory management routines.