040000 tree a123c277e426f47daf2f2aeba9d2c46358e6a1e7	algorithms
040000 tree a53c0436104589473892da8ed955e9b23a9a955a	aws
040000 tree 81c769c16c555a15bca08bd99471bea788e34813	builtin
040000 tree 10b41015786f4bc77911c28c2140d052f590a008	datagen
040000 tree 92df4f32c651586ce3866a04369d17e41b35d2a8	nn
040000 tree 10274d4115cb1a24c51a69e8c49d288bbfda38c8	perftest
040000 tree e6c940fc4c7febe76c427234b97bb52d593700af	staging
040000 tree ffe9f91fb96647fd216245b43c07ef9d940343e8	utils