040000 tree bb7932f2ea3932f35ca0d887ecbb87dd4aed0c4a	bench
040000 tree b10be9b7be4db9ab1190b58fecc7cd66722e87ed	minizip
040000 tree bc4351b8b9950c1ae3ffdddd5a133b1c80ceac73	optimizations
040000 tree 3681e704650e451030f71c25a990ff0d8e41cd4a	tests