040000 tree 9cc39e77d0bd5a17c80295ba9ea1ad62589adacf	cpu
040000 tree 1817d5cc40fd7bb6d5f05a7cc20d1628aaceff03	cuda10.2
040000 tree 7e9f4facc5bd7f644a9d2c307406c583fbae7245	cuda10
040000 tree 7b11686b877fc5d54ec7d43d34c26b786d08f7c3	cuda9