{
  "name": "reference_loop_101",
  "definition": "loop_101",
  "dataset": "simd-loop",
  "author": "reference",
  "spec": {
    "language": "cpp",
    "target_hardware": [
      "aarch64"
    ],
    "entry_point": "kernel.cpp::inner_loop_101",
    "dependencies": [],
    "isa_features": [],
    "compile_flags": [
      "-O2",
      "-std=c++14",
      "-fno-vectorize",
      "-fno-slp-vectorize"
    ],
    "link_flags": []
  },
  "sources": [
    {
      "path": "loop_101.h",
      "content": "// Auto-generated by scripts/gen_simd_loop_harness.py \u2014 do not hand-edit.\n#pragma once\n#include <stdint.h>\n\nstruct loop_101_data {\n    uint8_t *a;\n    uint8_t *b;\n    int n;\n};\n\n#ifdef __cplusplus\nextern \"C\" {\n#endif\nint armbench_entry_loop_101(void *b, int64_t n, void *res_out);\n#ifdef __cplusplus\n}\n#endif\n"
    },
    {
      "path": "loop_101.cpp",
      "content": "// Auto-generated by scripts/gen_simd_loop_harness.py \u2014 do not hand-edit.\n#include \"loop_101.h\"\n#include <stdint.h>\n\nextern \"C\" void inner_loop_101(struct loop_101_data *data);\n\nextern \"C\" int armbench_entry_loop_101(void *b, int64_t n, void *res_out) {\n    struct loop_101_data _kd;\n    _kd.b = static_cast<uint8_t *>(b);\n    _kd.a = static_cast<uint8_t *>(res_out);\n    _kd.n = static_cast<int>(n);\n    inner_loop_101(&_kd);\n    return 0;\n}\n"
    },
    {
      "path": "kernel.cpp",
      "content": "#include \"loop_101.h\"\n#include <stdint.h>\n\nextern \"C\" void inner_loop_101(struct loop_101_data *data) {\n    uint8_t *a = data->a;\n    uint8_t *b = data->b;\n    int n = data->n;\n    for (int i = 0; i < n - 1; i++) {\n        uint16_t s1 = b[i];\n        uint16_t s2 = b[i + 1];\n        a[2 * i]     = (3 * s1 + s2 + 2) >> 2;\n        a[2 * i + 1] = (3 * s2 + s1 + 2) >> 2;\n    }\n}\n"
    }
  ],
  "description": "Scalar reference (auto-vectorization disabled) for loop_101. Baseline for speedup measurement."
}