spec1.json

{
  "version": {
    "major": 1,
    "minor": 0
  },
  "local": [
    {
      "gpus": [
        {
          "id": "2",
          "slots": 4
        },
        {
          "id": "e"
        }
      ],
      ".reserved": [
        {
          "id": "a",
          "slots": 3
        }
      ],
      "threads": [
      ]
    }
  ]
}