definitions/simd-loop/loop_024.json

{
  "name": "loop_024",
  "op_type": "loop_024",
  "description": "Sum of absolute differences between two byte arrays, accumulated into a uint32",
  "tags": [
    "simd-loop"
  ],
  "axes": {
    "N": {
      "type": "var",
      "description": "Array length"
    }
  },
  "inputs": {
    "a": {
      "shape": [
        "N"
      ],
      "dtype": "int8"
    },
    "b": {
      "shape": [
        "N"
      ],
      "dtype": "int8"
    }
  },
  "outputs": {
    "res": {
      "shape": null,
      "dtype": "uint32",
      "description": "Scalar result"
    }
  },
  "reference": "import numpy as np\n\ndef run(a, b):\n    return np.uint32(\n        np.sum(np.abs(a.astype(np.int32) - b.astype(np.int32)),\n               dtype=np.uint64))\n",
  "simd_loop_meta": {
    "output_inplace": false,
    "array_pad": 0,
    "scratch": []
  }
}