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{
  "op": "ai.onnx.Sub",
  "tunableSpace": { "WORKGROUP_SIZE": [64, 128, 256] },
  "cases": [
    {
      "name": "sub-f32-4m",
      "preset": "smoke",
      "vars": { "dtype": "float32", "count": 4194304 },
      "inputs": {
        "a": { "shape": [4194304], "dtype": "float32", "dist": "normal", "seed": 302, "scale": 2 },
        "b": { "shape": [4194304], "dtype": "float32", "dist": "normal", "seed": 303, "scale": 2 }
      },
      "outputs": { "c": { "shape": [4194304], "dtype": "float32" } },
      "bench": {
        "primary": true,
        "metrics": [{ "type": "bandwidth", "value": "args.count * dtypeBytes(args.dtype) * 3" }]
      }
    },
    {
      "name": "sub-f16-4m-same-shape",
      "preset": "smoke",
      "vars": { "dtype": "float16", "count": 4194304 },
      "inputs": {
        "a": { "shape": [4194304], "dtype": "float16", "dist": "normal", "seed": 312, "scale": 2 },
        "b": { "shape": [4194304], "dtype": "float16", "dist": "normal", "seed": 313, "scale": 2 }
      },
      "outputs": { "c": { "shape": [4194304], "dtype": "float16" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "args.count * dtypeBytes(args.dtype) * 3" }] }
    },
    {
      "name": "sub-f32-rank4-broadcast",
      "preset": "smoke",
      "vars": { "dtype": "float32", "count": 2097152 },
      "inputs": {
        "a": { "shape": [8, 128, 32, 64], "dtype": "float32", "dist": "normal", "seed": 322, "scale": 2 },
        "b": { "shape": [1, 128, 1, 64], "dtype": "float32", "dist": "normal", "seed": 323, "scale": 2 }
      },
      "outputs": { "c": { "shape": [8, 128, 32, 64], "dtype": "float32" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "args.count * dtypeBytes(args.dtype) * 2" }] }
    },
    {
      "name": "sub-f32-scalar-rhs-odd-lastdim",
      "preset": "smoke",
      "vars": { "dtype": "float32", "count": 3000009 },
      "inputs": {
        "a": { "shape": [3, 1000003], "dtype": "float32", "dist": "normal", "seed": 332, "scale": 2 },
        "b": { "shape": [], "dtype": "float32", "data": { "kind": "values", "values": [0.5] } }
      },
      "outputs": { "c": { "shape": [3, 1000003], "dtype": "float32" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "args.count * dtypeBytes(args.dtype) * 2" }] }
    },
    {
      "name": "sub-f32-broadcast-scalar-fallback-rank3-odd",
      "preset": "stress",
      "vars": { "dtype": "float32", "count": 3407872 },
      "inputs": {
        "a": { "shape": [512, 512, 13], "dtype": "float32", "dist": "normal", "seed": 371, "scale": 2 },
        "b": { "shape": [1, 1, 13], "dtype": "float32", "dist": "normal", "seed": 372, "scale": 2 }
      },
      "outputs": { "c": { "shape": [512, 512, 13], "dtype": "float32", "dist": "empty" } },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "args.count * dtypeBytes(args.dtype) * 2" }] }
    }
  ]
}