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{
  "op": "ai.onnx.ReduceMin",
  "cases": [
    {
      "name": "reduce-min-axis0-1024x512",
      "preset": "smoke",
      "vars": { "dtype": "float32", "rows": 1024, "cols": 512 },
      "attrs": { "axes": [0], "keepdims": 0 },
      "inputs": { "x": { "shape": [1024, 512], "dtype": "float32", "dist": "normal", "seed": 953, "scale": 1 } },
      "outputs": { "y": { "shape": [512], "dtype": "float32" } },
      "bench": {
        "primary": true,
        "metrics": [{ "type": "bandwidth", "value": "args.rows * args.cols * dtypeBytes(args.dtype)" }]
      }
    },
    {
      "name": "rows_1024_cols_768",
      "attrs": { "axes": [1], "keepdims": 0 },
      "inputs": { "x": { "dtype": "float32", "shape": [1024, 768] } },
      "outputs": { "y": { "dtype": "float32", "shape": [1024] } }
    },
    {
      "name": "reducemin-lastaxis-f32-4096x4096",
      "preset": "smoke",
      "vars": { "rows": 4096, "cols": 4096 },
      "attrs": { "axes": [1], "keepdims": 0 },
      "inputs": { "x": { "shape": [4096, 4096], "dtype": "float32", "dist": "normal", "seed": 117, "scale": 0.2 } },
      "outputs": { "y": { "shape": [4096], "dtype": "float32" } },
      "bench": { "primary": true, "metrics": [{ "type": "bandwidth", "value": "args.rows * args.cols * 4" }] }
    },
    {
      "name": "reducemin-r3-last-64x64x4096",
      "preset": "smoke",
      "vars": { "rows": 4096, "cols": 4096 },
      "attrs": { "axes": [2], "keepdims": 0 },
      "inputs": { "x": { "shape": [64, 64, 4096], "dtype": "float32", "dist": "normal", "seed": 72, "scale": 0.2 } },
      "outputs": { "y": { "shape": [64, 64], "dtype": "float32" } },
      "bench": { "primary": true, "metrics": [{ "type": "bandwidth", "value": "args.rows * args.cols * 4" }] }
    },
    {
      "name": "reducemin-lastaxis-f32-4096x4095-scalar-subgroup",
      "vars": { "dtype": "float32", "rows": 4096, "cols": 4095 },
      "attrs": { "axes": [1], "keepdims": 0 },
      "inputs": { "x": { "shape": [4096, 4095], "dtype": "float32", "dist": "normal", "seed": 414, "scale": 0.2 } },
      "outputs": { "y": { "shape": [4096], "dtype": "float32" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "args.rows * args.cols * dtypeBytes(args.dtype)" }] }
    },
    {
      "name": "reducemin-axis0-splitk-f32-8192x512",
      "vars": { "dtype": "float32", "rows": 8192, "cols": 512 },
      "attrs": { "axes": [0], "keepdims": 0 },
      "inputs": { "x": { "shape": [8192, 512], "dtype": "float32", "dist": "normal", "seed": 818, "scale": 0.2 } },
      "outputs": { "y": { "shape": [512], "dtype": "float32" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "args.rows * args.cols * dtypeBytes(args.dtype)" }] }
    },
    {
      "name": "reducemin-axis1-f32-16776961x1-degenerate-row",
      "vars": { "dtype": "float32", "rows": 16776961, "cols": 1 },
      "attrs": { "axes": [1], "keepdims": 0 },
      "inputs": { "x": { "shape": [16776961, 1], "dtype": "float32", "dist": "normal", "seed": 167, "scale": 0.2 } },
      "outputs": { "y": { "shape": [16776961], "dtype": "float32" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "args.rows * args.cols * dtypeBytes(args.dtype)" }] }
    },
    {
      "name": "reducemin-all-axes-flat-miss-single-thread-2M",
      "preset": "stress",
      "vars": { "rows": 2146689, "cols": 1 },
      "attrs": { "keepdims": 0 },
      "inputs": { "x": { "shape": [129, 129, 129], "dtype": "float32", "dist": "normal", "seed": 722, "scale": 1 } },
      "outputs": { "y": { "shape": [], "dtype": "float32", "dist": "empty" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "129 * 129 * 129 * 4" }] }
    },
    {
      "name": "reducemin-rank3-spatial-axes12-f32-128x256x256-pathology",
      "preset": "stress",
      "provenance": {
        "source": "authored for branch coverage",
        "notes": "Rank-3 multi-axis reduction with 128 output lanes, each serially scanning a 256x256 plane."
      },
      "attrs": { "axes": [1, 2], "keepdims": 1 },
      "inputs": { "x": { "shape": [128, 256, 256], "dtype": "float32", "dist": "normal", "seed": 824, "scale": 0.2 } },
      "outputs": { "y": { "shape": [128, 1, 1], "dtype": "float32", "dist": "empty" } },
      "bench": { "primary": true, "metrics": [{ "type": "bandwidth", "value": "128 * 256 * 256 * 4" }] }
    },
    {
      "name": "reducemin-rank4-spatial-axes23-f32-2x64x256x256-pathology",
      "preset": "stress",
      "provenance": {
        "source": "authored for branch coverage",
        "notes": "Rank-4 multi-axis reduction with 128 output lanes, each serially scanning a 256x256 plane."
      },
      "attrs": { "axes": [2, 3], "keepdims": 1 },
      "inputs": { "x": { "shape": [2, 64, 256, 256], "dtype": "float32", "dist": "normal", "seed": 825, "scale": 0.2 } },
      "outputs": { "y": { "shape": [2, 64, 1, 1], "dtype": "float32", "dist": "empty" } },
      "bench": { "primary": true, "metrics": [{ "type": "bandwidth", "value": "2 * 64 * 256 * 256 * 4" }] }
    },
    {
      "name": "reducemin-axis0-cols3-ultra-low-parallelism",
      "preset": "stress",
      "vars": { "rows": 65536, "cols": 3 },
      "attrs": { "axes": [0], "keepdims": 0 },
      "inputs": { "x": { "shape": [65536, 3], "dtype": "float32", "dist": "normal", "seed": 823, "scale": 1 } },
      "outputs": { "y": { "shape": [3], "dtype": "float32", "dist": "empty" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "65536 * 3 * 4" }] }
    }
  ],
  "tunableSpace": { "WORKGROUP_SIZE": [64, 128, 256] }
}