definitions/simd-loop/loop_104.json

{
  "name": "loop_104",
  "op_type": "loop_104",
  "description": "Compute byte-value frequency histogram using segmented counting",
  "tags": [
    "simd-loop"
  ],
  "axes": {
    "n": {
      "type": "var",
      "description": "axis n"
    },
    "histogram_size": {
      "type": "const",
      "value": 256,
      "description": "const histogram_size"
    }
  },
  "inputs": {
    "data": {
      "shape": [
        "n"
      ],
      "dtype": "uint8"
    }
  },
  "outputs": {
    "histogram": {
      "shape": [
        "histogram_size"
      ],
      "dtype": "uint32",
      "description": "Output array"
    }
  },
  "reference": "import numpy as np\n\ndef run(data):\n    return np.bincount(data.astype(np.int64), minlength=256)[:256].astype(np.uint32)\n",
  "simd_loop_meta": {
    "output_inplace": false,
    "array_pad": 0,
    "scratch": [],
    "axes_order": [
      "histogram_size",
      "n"
    ]
  }
}