040000 tree 79495dc5b9fa2446c9bf007a972accc4be0b5615	Tensor
040000 tree 349f77da0c172156d288aa3c7fba241d76eeac06	TensorSymmetry
040000 tree c53c91291b9ba0051e5ad5524da5a66b46c6e4aa	ThreadPool
040000 tree bc25dc25fdfb0c6e702655b41196ab3b6353fdb2	util