{
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    "pair_compatibility": "VERIFIED",
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    "label_space": "ordered 3 classes: Marvin; Silence; Unknown",
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        "--input-min",
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      "command": [
        "{python}",
        "{repo_root}/scripts/stages/copy_artifact.py",
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        "--sha256",
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        "{model_dir}/source/quantized/copy_metadata.json"
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        "weights_modified": false
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        "--threads",
        "1"
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      "inputs": [
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        "{model_dir}/baseline/fp32_validation.json",
        "--quantized-report",
        "{model_dir}/baseline/public_quantized_validation.json",
        "--report",
        "{model_dir}/baseline/mixed_pair_boundary.json",
        "--boundary",
        "direct",
        "--preprocessing-evidence",
        "16 kHz mono; 1 s; preemphasis 1-2^-5; 64 ms nonperiodic Hamming; 32 ms stride; power spectrum; 40-bin 0-8 kHz LFBE; log10 and clip/scale to [0,1]; 30 frames",
        "--label-space-evidence",
        "ordered 3 classes: Marvin; Silence; Unknown",
        "--dataset-evidence",
        "Google Speech Commands v0.02 plus MUSAN for streaming/noise evaluation"
      ],
      "inputs": [
        "{model_dir}/baseline/fp32_validation.json",
        "{model_dir}/baseline/public_quantized_validation.json"
      ],
      "outputs": [
        "{model_dir}/baseline/mixed_pair_boundary.json"
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        "validate_quantized"
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      "variant": "fp32",
      "command": [
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        "{repo_root}/scripts/stages/convert_tensorflow_to_onnx.py",
        "--input",
        "{model_dir}/source/fp32/source_fp32.h5",
        "--output",
        "{model_dir}/onnx/fp32/model_fp32.onnx",
        "--report",
        "{model_dir}/onnx/fp32/onnx_conversion.json",
        "--opset",
        "16",
        "--threads",
        "1",
        "--format",
        "keras",
        "--input-shape",
        "1,30,1,40",
        "--legacy-depthwise-groups-compat"
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      "inputs": [
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        "{repo_root}/environment/converters/tf2onnx/tool_versions.json"
      ],
      "outputs": [
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        "{model_dir}/onnx/fp32/onnx_conversion.json"
      ],
      "requires": [
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      "timeout_sec": 1200,
      "failure_code_on_error": "FAIL_EXPORT",
      "validation_report": "{model_dir}/onnx/fp32/onnx_conversion.json",
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        "tensorflow": "2.20.0",
        "opset": 16,
        "inference_only": true,
        "fixed_shape": [
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          30,
          1,
          40
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        "quantization_generated": false
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      "patch": "INFERENCE_WRAPPER_AND_DESERIALIZATION_ONLY: fixed batch=1; ignore redundant legacy DepthwiseConv2D groups=1; no layer, weight, or math change"
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      "stage": "onnx_checker_shape_inference_runtime",
      "variant": "fp32",
      "command": [
        "{python}",
        "{repo_root}/scripts/stages/inspect_onnx.py",
        "--model",
        "{model_dir}/onnx/fp32/model_fp32.onnx",
        "--report",
        "{model_dir}/onnx/fp32/onnx_check.json",
        "--inferred-model",
        "{model_dir}/onnx/fp32/model_fp32.inferred.onnx",
        "--seed",
        "20260806",
        "--threads",
        "1"
      ],
      "inputs": [
        "{model_dir}/onnx/fp32/model_fp32.onnx"
      ],
      "outputs": [
        "{model_dir}/onnx/fp32/onnx_check.json",
        "{model_dir}/onnx/fp32/model_fp32.inferred.onnx"
      ],
      "requires": [
        "convert_fp32_onnx"
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      "timeout_sec": 900,
      "failure_code_on_error": "FAIL_RUNTIME",
      "validation_report": "{model_dir}/onnx/fp32/onnx_check.json",
      "options": {
        "checker": true,
        "shape_inference": true,
        "runtime": "onnxruntime 1.22.1"
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      "patch": null
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    {
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      "stage": "tensorflow_onnx_numerical_comparison",
      "variant": "fp32",
      "command": [
        "{repo_root}/environment/converters/tf2onnx/.venv/bin/python",
        "{repo_root}/scripts/stages/compare_tensorflow_target.py",
        "--source-format",
        "keras",
        "--target-format",
        "onnx",
        "--source",
        "{model_dir}/source/fp32/source_fp32.h5",
        "--target",
        "{model_dir}/onnx/fp32/model_fp32.onnx",
        "--report",
        "{model_dir}/onnx/fp32/onnx_output_compare.json",
        "--input-shape",
        "1,30,1,40",
        "--input-min",
        "0.0",
        "--input-max",
        "1.0",
        "--seed",
        "20260806",
        "--threads",
        "1",
        "--atol",
        "1e-05",
        "--rtol",
        "1e-05",
        "--legacy-depthwise-groups-compat"
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      "inputs": [
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        "{model_dir}/onnx/fp32/model_fp32.onnx"
      ],
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        "{model_dir}/onnx/fp32/onnx_output_compare.json"
      ],
      "requires": [
        "validate_fp32_onnx"
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      "timeout_sec": 900,
      "failure_code_on_error": "FAIL_NUMERICAL_MISMATCH",
      "validation_report": "{model_dir}/onnx/fp32/onnx_output_compare.json",
      "options": {
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        "atol": 1e-05,
        "rtol": 1e-05,
        "official_quality_metric": "NOT_RUN"
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      "patch": "INFERENCE_WRAPPER_AND_DESERIALIZATION_ONLY: fixed batch=1; ignore redundant legacy DepthwiseConv2D groups=1; no layer, weight, or math change"
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      "stage": "public_quantized_tflite_to_onnx",
      "variant": "public_quantized",
      "command": [
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        "{repo_root}/scripts/stages/convert_tflite_to_onnx.py",
        "--converter-python",
        "{repo_root}/environment/converters/tf2onnx/.venv/bin/python",
        "--input",
        "{model_dir}/source/quantized/source_public_quantized.tflite",
        "--output",
        "{model_dir}/onnx/quantized/model_quantized.onnx",
        "--report",
        "{model_dir}/onnx/quantized/onnx_conversion.json",
        "--tool-versions",
        "{repo_root}/environment/converters/tf2onnx/tool_versions.json",
        "--opset",
        "16"
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      "inputs": [
        "{model_dir}/source/quantized/source_public_quantized.tflite",
        "{repo_root}/environment/converters/tf2onnx/tool_versions.json"
      ],
      "outputs": [
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        "{model_dir}/onnx/quantized/onnx_conversion.json"
      ],
      "requires": [
        "acquire_quantized"
      ],
      "timeout_sec": 1200,
      "failure_code_on_error": "FAIL_EXPORT",
      "validation_report": "{model_dir}/onnx/quantized/onnx_conversion.json",
      "options": {
        "dequantize": false,
        "quantization_generated": false,
        "independent_variant_conversion": true
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      "patch": null
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    {
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      "stage": "onnx_checker_shape_inference_runtime",
      "variant": "public_quantized",
      "command": [
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        "{repo_root}/scripts/stages/inspect_onnx.py",
        "--model",
        "{model_dir}/onnx/quantized/model_quantized.onnx",
        "--report",
        "{model_dir}/onnx/quantized/onnx_check.json",
        "--inferred-model",
        "{model_dir}/onnx/quantized/model_quantized.inferred.onnx",
        "--seed",
        "20260806",
        "--threads",
        "1"
      ],
      "inputs": [
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      ],
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        "{model_dir}/onnx/quantized/model_quantized.inferred.onnx"
      ],
      "requires": [
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      "timeout_sec": 900,
      "failure_code_on_error": "FAIL_RUNTIME",
      "validation_report": "{model_dir}/onnx/quantized/onnx_check.json",
      "options": {
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        "shape_inference": true,
        "runtime": "onnxruntime 1.22.1"
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      "command": [
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        "{repo_root}/scripts/stages/inspect_onnx_quantization.py",
        "--onnx-check",
        "{model_dir}/onnx/quantized/onnx_check.json",
        "--report",
        "{model_dir}/onnx/quantized/onnx_quantization_inspection.json"
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      "inputs": [
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      "requires": [
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      "timeout_sec": 120,
      "failure_code_on_error": "FAIL_QUANTIZATION_PRESERVATION",
      "validation_report": "{model_dir}/onnx/quantized/onnx_quantization_inspection.json",
      "options": {
        "float_fallback_is_failure": true,
        "accepted": [
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      "patch": null
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      "variant": "public_quantized",
      "command": [
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        "{repo_root}/scripts/stages/compare_tflite_onnx.py",
        "--tflite",
        "{model_dir}/source/quantized/source_public_quantized.tflite",
        "--onnx",
        "{model_dir}/onnx/quantized/model_quantized.onnx",
        "--report",
        "{model_dir}/onnx/quantized/onnx_output_compare.json",
        "--seed",
        "20260806",
        "--threads",
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        "--atol",
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        "--rtol",
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      "inputs": [
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        "{model_dir}/onnx/quantized/model_quantized.onnx"
      ],
      "outputs": [
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      ],
      "requires": [
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      "timeout_sec": 900,
      "failure_code_on_error": "FAIL_NUMERICAL_MISMATCH",
      "validation_report": "{model_dir}/onnx/quantized/onnx_output_compare.json",
      "options": {
        "strict_integer_or_float_output_match": true,
        "atol": 0.0,
        "rtol": 0.0
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      "patch": null
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}