definitions/simd-loop/loop_032.json

{
  "name": "loop_032",
  "op_type": "loop_032",
  "description": "Solve a step of a banded linear system with non-unit-strided coefficient access",
  "tags": [
    "simd-loop"
  ],
  "axes": {
    "N": {
      "type": "var",
      "description": "Array length"
    }
  },
  "inputs": {
    "a": {
      "shape": [
        "N"
      ],
      "dtype": "float64"
    },
    "b": {
      "shape": [
        "N"
      ],
      "dtype": "float64"
    }
  },
  "outputs": {
    "res": {
      "shape": null,
      "dtype": "float64",
      "description": "Scalar result"
    }
  },
  "reference": "import numpy as np\n\ndef run(a, b):\n    lw = 0\n    res = np.float64(0.0)\n    for j in range(4, len(b), 5):\n        res -= a[lw] * b[j]\n        lw += 1\n    return np.float64(res)\n",
  "simd_loop_meta": {
    "output_inplace": false,
    "array_pad": 0,
    "scratch": []
  }
}