{
  "config": {
    "input_seed": 42,
    "timed_runs": 10,
    "tolerance_abs": 0.00001,
    "tolerance_rel": 0.001,
    "warmup_runs": 3
  },
  "input_spec": "1x96:float32",
  "license": "mit",
  "model_id": "matcha-tts__dp_g2p_matcha_fp16",
  "notes": "",
  "results": [
    {
      "backend": "wasm_xnnpack",
      "date": "2026-08-11",
      "delegation_evidence": [
        "error: WARNING: [npu_registry.cc:34] NPU accelerator could not be loaded and registered: kLiteRtStatusErrorInvalidArgument.",
        "error: WARNING: [npu_registry.cc:34] NPU accelerator could not be loaded and registered: kLiteRtStatusErrorInvalidArgument."
      ],
      "env": {
        "browser": "chromium",
        "browser_version": "151.0.7922.34",
        "headless": true,
        "jspi": true,
        "litertjs_core_version": "2.5.3",
        "machine_label": "mac-studio-m4-max",
        "os": "macOS",
        "os_version": "27.0.0",
        "webgpu_adapter": {
          "architecture": "metal-3",
          "description": "",
          "device": "",
          "vendor": "apple"
        }
      },
      "error": null,
      "failure_class": null,
      "full_delegation": null,
      "latency_p50_ms": 150.605,
      "loads": true,
      "max_abs_diff": null,
      "max_rel_diff": null,
      "output_match": null,
      "provenance": "measured",
      "runs": true
    },
    {
      "backend": "webgpu_mldrift",
      "date": "2026-08-11",
      "delegation_evidence": [
        "error: WARNING: [npu_registry.cc:34] NPU accelerator could not be loaded and registered: kLiteRtStatusErrorInvalidArgument.",
        "error: WARNING: [npu_registry.cc:34] NPU accelerator could not be loaded and registered: kLiteRtStatusErrorInvalidArgument.",
        "error: E0811 10:01:05.678000  755312 model_builder.cc:2484] {\n  type: INT64\n  data: {...}\n  dims: []\n} isn't scalar-convertible.",
        "error: ERROR: Following operations are not supported by GPU delegate:",
        "error: CAST: Tensor type(INT64) is not supported. __main__.Wrap;2",
        "error: CAST: Tensor type(INT64) is not supported. __main__.Wrap;4",
        "error: DEQUANTIZE: ",
        "error: EMBEDDING_LOOKUP: EMBEDDING_LOOKUP: Empty quantization params.",
        "error: EQUAL: Can't parse inputs with const tensors.",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_0/torch.nn.modules.activation.MultiheadAttention_self_attn;7",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_0/torch.nn.modules.activation.MultiheadAttention_self_attn;8",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_1/torch.nn.modules.activation.MultiheadAttention_self_attn;3",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_1/torch.nn.modules.activation.MultiheadAttention_self_attn;4",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_2/torch.nn.modules.activation.MultiheadAttention_self_attn;3",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_2/torch.nn.modules.activation.MultiheadAttention_self_attn;4",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_3/torch.nn.modules.activation.MultiheadAttention_self_attn;3",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_3/torch.nn.modules.activation.MultiheadAttention_self_attn;4",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_4/torch.nn.modules.activation.MultiheadAttention_self_attn;3",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_4/torch.nn.modules.activation.MultiheadAttention_self_attn;4",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_5/torch.nn.modules.activation.MultiheadAttention_self_attn;3",
        "error: RESHAPE: Tensor dimensions must be less than 5. __main__.Wrap/torch.nn.modules.transformer.TransformerEncoder_encoder/torch.nn.modules.transformer.TransformerEncoderLayer_5/torch.nn.modules.activation.MultiheadAttention_self_attn;4",
        "error: RESHAPE: Tensor type(INT64) is not supported. __main__.Wrap;2",
        "error: TRANSPOSE: Permutation for transpose is invalid.",
        "error: 72 operations will run on the GPU, and the remaining 361 operations will run on the CPU.",
        "warning: %c[LiteRT]%c Model not fully compiled for webgpu. Partially delegating to WASM execution. background: #FFA000; color: black; font-weight: bold; padding: 2px 5px; border-radius: 3px; font-weight: bold;"
      ],
      "env": {
        "browser": "chromium",
        "browser_version": "151.0.7922.34",
        "headless": true,
        "jspi": true,
        "litertjs_core_version": "2.5.3",
        "machine_label": "mac-studio-m4-max",
        "os": "macOS",
        "os_version": "27.0.0",
        "webgpu_adapter": {
          "architecture": "metal-3",
          "description": "",
          "device": "",
          "vendor": "apple"
        }
      },
      "error": "non-finite value in output[0][0] (out=NaN, ref=NaN)",
      "failure_class": null,
      "full_delegation": false,
      "latency_p50_ms": 136.315,
      "loads": true,
      "max_abs_diff": null,
      "max_rel_diff": null,
      "output_match": null,
      "provenance": "measured",
      "runs": true
    }
  ],
  "schema_version": "1.0",
  "source": "https://huggingface.co/litert-community/Matcha-TTS/resolve/main/dp_g2p_matcha_fp16.tflite"
}