{
  "op": "ai.onnx.Scan",
  "cases": [
    {
      "name": "lowered_prefix_sum_256x512",
      "preset": "smoke",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [512], "dist": "normal", "seed": 741, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [256, 512], "dist": "normal", "seed": 742, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [512] },
        "scan_output": { "dtype": "float32", "shape": [256, 512] }
      },
      "bench": { "primary": true, "metrics": [{ "type": "bandwidth", "value": "256 * 512 * 4 * 2" }] }
    },
    {
      "name": "lowered_prefix_sum_2048x512",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [512], "dist": "normal", "seed": 743, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [2048, 512], "dist": "normal", "seed": 744, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [512] },
        "scan_output": { "dtype": "float32", "shape": [2048, 512] }
      },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "2048 * 512 * 4 * 2" }] }
    },
    {
      "name": "lowered_prefix_sum_256x128",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [128] },
        "scan_input": { "dtype": "float32", "shape": [256, 128] }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [128] },
        "scan_output": { "dtype": "float32", "shape": [256, 128] }
      }
    },
    {
      "name": "lowered_fewlane_serial_dim32_steps4096",
      "preset": "smoke",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [32], "dist": "normal", "seed": 751, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [4096, 32], "dist": "normal", "seed": 752, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [32] },
        "scan_output": { "dtype": "float32", "shape": [4096, 32] }
      },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "2 * 4 * numel(shapes.scan_input)" }] }
    },
    {
      "name": "coop_healthy_dim512_steps4096",
      "preset": "smoke",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [512], "dist": "normal", "seed": 753, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [4096, 512], "dist": "normal", "seed": 754, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [512] },
        "scan_output": { "dtype": "float32", "shape": [4096, 512] }
      },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "2 * 4 * numel(shapes.scan_input)" }] }
    },
    {
      "name": "lowered_largedim_fallback_dim4096_steps1024",
      "preset": "smoke",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [4096], "dist": "normal", "seed": 755, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [1024, 4096], "dist": "normal", "seed": 756, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [4096] },
        "scan_output": { "dtype": "float32", "shape": [1024, 4096] }
      },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "2 * 4 * numel(shapes.scan_input)" }] }
    },
    {
      "name": "lowered_smalldim2_singlelane_steps8192",
      "preset": "smoke",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [2], "dist": "normal", "seed": 757, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [8192, 2], "dist": "normal", "seed": 758, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [2] },
        "scan_output": { "dtype": "float32", "shape": [8192, 2] }
      },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "2 * 4 * numel(shapes.scan_input)" }] }
    },
    {
      "name": "coop_reverse_partialchunk_dim512_steps300",
      "preset": "smoke",
      "attrs": { "reverse": 1 },
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [512], "dist": "normal", "seed": 759, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [300, 512], "dist": "normal", "seed": 760, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [512] },
        "scan_output": { "dtype": "float32", "shape": [300, 512] }
      },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "2 * 4 * numel(shapes.scan_input)" }] }
    },
    {
      "name": "lowered_singlelane_dim1_steps65536",
      "preset": "stress",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [1], "dist": "normal", "seed": 811, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [65536, 1], "dist": "normal", "seed": 812, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [1] },
        "scan_output": { "dtype": "float32", "shape": [65536, 1] }
      },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "2 * 4 * numel(shapes.scan_input)" }] }
    },
    {
      "name": "lowered_dim63_steps32768_one_workgroup_launchbound",
      "preset": "stress",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [63], "dist": "normal", "seed": 813, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [32768, 63], "dist": "normal", "seed": 814, "scale": 0.1 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [63] },
        "scan_output": { "dtype": "float32", "shape": [32768, 63] }
      },
      "bench": { "metrics": [{ "type": "bandwidth", "value": "2 * 4 * numel(shapes.scan_input)" }] }
    },
    {
      "name": "streaming_recurrence_dim8_steps131072_multichunk_pathology",
      "preset": "stress",
      "inputs": {
        "initial_state": { "dtype": "float32", "shape": [8], "dist": "normal", "seed": 815, "scale": 0.1 },
        "scan_input": { "dtype": "float32", "shape": [131072, 8], "dist": "normal", "seed": 816, "scale": 0.01 }
      },
      "outputs": {
        "final_state": { "dtype": "float32", "shape": [8] },
        "scan_output": { "dtype": "float32", "shape": [131072, 8] }
      },
      "bench": { "primary": true, "metrics": [{ "type": "bandwidth", "value": "2 * 4 * numel(shapes.scan_input)" }] }
    }
  ]
}