webnn.json

{
  "_comment": [
    "Copyright 2017 The Dawn Authors",
    "Copyright 2021 The WebNN-native Authors",
    "",
    "Licensed under the Apache License, Version 2.0 (the \"License\");",
    "you may not use this file except in compliance with the License.",
    "You may obtain a copy of the License at",
    "",
    "    http://www.apache.org/licenses/LICENSE-2.0",
    "",
    "Unless required by applicable law or agreed to in writing, software",
    "distributed under the License is distributed on an \"AS IS\" BASIS,",
    "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.",
    "See the License for the specific language governing permissions and",
    "limitations under the License."
  ],
  "instance descriptor": {
    "category": "structure",
    "members": []
  },
  "instance": {
    "category": "object",
    "methods": [
      {
        "name": "create context",
        "returns": "context",
        "args": [
          {"name": "options", "type": "context options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "create context with gpu device",
        "returns": "context",
        "args": [
          {"name": "gpu device", "type": "gpu device", "annotation": "const*"}
        ]
      },
      {
        "name": "create graph builder",
        "returns": "graph builder",
        "args": [
          {"name": "context", "type": "context"}
        ]
      },
      {
        "name": "create named inputs",
        "returns": "named inputs",
        "args": []
      },
      {
        "name": "create named operands",
        "returns": "named operands",
        "args": []
      },
      {
        "name": "create named outputs",
        "returns": "named outputs",
        "args": []
      },
      {
        "name": "create operator array",
        "returns": "operator array",
        "args": []
      }
    ]
  },
  "backend type": {
    "category": "enum",
    "emscripten_no_enum_table": true,
    "values": [
        {"value": 0, "name": "null"},
        {"value": 1, "name": "DirectML"},
        {"value": 2, "name": "DirectMLX"},
        {"value": 3, "name": "OpenVINO"},
        {"value": 4, "name": "OneDNN"},
        {"value": 5, "name": "MLAS"},
        {"value": 6, "name": "XNNPACK"},
        {"value": 7, "name": "NNAPI"}
    ]
  },
  "error type": {
    "category": "enum",
    "values": [
        {"value": 0, "name": "no error"},
        {"value": 1, "name": "validation"},
        {"value": 2, "name": "out of memory"},
        {"value": 3, "name": "unknown"},
        {"value": 4, "name": "device lost"}
    ]
  },
  "ObjectType": {
    "_comment": "Only used for the wire",
    "category": "native"
  },
  "ObjectId": {
    "_comment": "Only used for the wire",
    "category": "native"
  },
  "ObjectHandle": {
    "_comment": "Only used for the wire",
    "category": "native"
  },
  "char": {
    "category": "native"
  },
  "void": {
    "category": "native"
  },
  "const void*": {
    "category": "native"
  },
  "uint8_t": {
    "category": "native"
  },
  "uint32_t": {
    "category": "native"
  },
  "uint64_t": {
    "category": "native"
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  "const uint32_t*": {
    "category": "native"
  },
  "const int32_t*": {
    "category": "native"
  },
  "int32_t": {
    "category": "native"
  },
  "float": {
    "category": "native"
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  "size_t": {
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  "bool": {
    "category": "native"
  },
  "error filter": {
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        {"value": 0, "name": "none"},
        {"value": 1, "name": "validation"},
        {"value": 2, "name": "out of memory"}
    ]
  },
  "error callback": {
    "category": "callback",
    "args": [
        {"name": "type", "type": "error type"},
        {"name": "message", "type": "char", "annotation": "const*"},
        {"name": "userdata", "type": "void", "annotation": "*"}
    ]
  },
  "device preference": {
    "category": "enum",
    "values": [
      {"value": 0, "name": "default"},
      {"value": 1, "name": "gpu"},
      {"value": 2, "name": "cpu"}
    ]
  },
  "power preference": {
    "category": "enum",
    "values": [
      {"value": 0, "name": "default"},
      {"value": 1, "name": "high_performance"},
      {"value": 2, "name": "low_power"}
    ]
  },
  "context options": {
    "category": "structure",
    "members": [
      {"name": "device preference", "type": "device preference", "default": "default"},
      {"name": "power preference", "type": "power preference", "default": "default"}
    ]
  },
  "context": {
    "category": "object",
    "methods": [
      {
        "name": "inject error",
        "args": [
            {"name": "type", "type": "error type"},
            {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"}
        ],
        "TODO": "enga@: Make this a Dawn extension"
      },
      {
        "name": "set uncaptured error callback",
        "args": [
            {"name": "callback", "type": "error callback"},
            {"name": "userdata", "type": "void", "annotation": "*"}
        ]
      },
      {
          "name": "push error scope",
          "args": [
              {"name": "filter", "type": "error filter"}
          ]
      },
      {
          "name": "pop error scope",
          "returns": "bool",
          "args": [
              {"name": "callback", "type": "error callback"},
              {"name": "userdata", "type": "void", "annotation": "*"}
          ]
      }
    ]
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      {"value": 3, "name": "uint32"},
      {"value": 4, "name": "int8"},
      {"value": 5, "name": "uint8"}
    ]
  },
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    "category": "structure",
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      {"name": "type", "type": "operand type"},
      {"name": "dimensions", "type": "int32_t", "annotation": "const*", "length": "dimensions count"},
      {"name": "dimensions count", "type": "uint32_t", "default": 0}
    ]
  },
  "operand": {
    "category": "object"
  },
  "fusion operator": {
    "category": "object"
  },
  "named operands": {
    "category": "object",
    "methods": [
      {
        "name": "set",
        "args": [
          {"name": "name", "type": "char", "annotation": "const*", "length": "strlen"},
          {"name": "operand", "type": "operand"}
        ]
      }
    ]
  },
  "operand array": {
    "category": "object",
    "methods": [
      {
        "name": "size",
        "returns": "size_t"
      },
      {
        "name": "get",
        "returns": "operand",
        "args": [
          {"name": "index", "type": "size_t"}
        ]
      }
    ]
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  "operator array": {
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      {
        "name": "size",
        "returns": "size_t"
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      {
        "name": "set",
        "returns": "void",
        "args": [
          {"name": "operator", "type": "fusion operator"}
        ]
      },
      {
        "name": "get",
        "returns": "fusion operator",
        "args": [
          {"name": "index", "type": "size_t"}
        ]
      }
    ]
  },
  "input operand layout": {
    "category": "enum",
    "values": [
      {"value": 0, "name": "nchw"},
      {"value": 1, "name": "nhwc"}
    ]
  },
  "conv2d filter operand layout": {
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    "values": [
      {"value": 0, "name": "oihw"},
      {"value": 1, "name": "hwio"},
      {"value": 2, "name": "ohwi"},
      {"value": 3, "name": "ihwo"}
    ]
  },
  "conv transpose2d filter operand layout": {
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      {"value": 0, "name": "iohw"},
      {"value": 1, "name": "hwoi"},
      {"value": 2, "name": "ohwi"}
    ]
  },
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      {"value": 0, "name": "explicit"},
      {"value": 1, "name": "same upper"},
      {"value": 2, "name": "same lower"}
    ]
  },
  "padding mode": {
    "category": "enum",
    "values": [
      {"value": 0, "name": "constant"},
      {"value": 1, "name": "edge"},
      {"value": 2, "name": "reflection"},
      {"value": 3, "name": "symmetric"}
    ]
  },
  "interpolation mode": {
    "category": "enum",
    "values": [
      {"value": 0, "name": "nearest neighbor"},
      {"value": 1, "name": "linear"}
    ]
  },
  "recurrent network weight layout": {
    "category": "enum",
    "values": [
      {"value": 0, "name": "zrn"},
      {"value": 1, "name": "rzn"}
    ]
  },
  "recurrent network direction": {
    "category": "enum",
    "values": [
      {"value": 0, "name": "forward"},
      {"value": 1, "name": "backward"},
      {"value": 2, "name": "both"}
    ]
  },
  "rounding type": {
    "category": "enum",
    "values": [
      {"value": 0, "name": "floor"},
      {"value": 1, "name": "ceil"}
    ]
  },
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    "members": [
      {"name": "min value", "type": "float", "default": "std::numeric_limits<float>::lowest()"},
      {"name": "max value", "type": "float", "default": "std::numeric_limits<float>::max()"}
    ]
  },
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      {"name": "strides count", "type": "uint32_t", "default": 0},
      {"name": "strides", "type": "int32_t", "annotation": "const*", "length": "strides count", "optional": true},
      {"name": "dilations count", "type": "uint32_t", "default": 0},
      {"name": "dilations", "type": "int32_t", "annotation": "const*", "length": "dilations count", "optional": true},
      {"name": "auto pad", "type": "auto pad", "default": "explicit"},
      {"name": "groups", "type": "int32_t", "default": 1},
      {"name": "input layout", "type": "input operand layout", "default": "nchw"},
      {"name": "filter layout", "type": "conv2d filter operand layout", "default": "oihw"},
      {"name": "bias", "type": "operand", "optional": true},
      {"name": "activation", "type": "fusion operator", "optional": true}
    ]
  },
  "conv transpose2d options": {
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    "members": [
      {"name": "padding count", "type": "uint32_t", "default": 0},
      {"name": "padding", "type": "int32_t", "annotation": "const*", "length": "padding count", "optional": true},
      {"name": "strides count", "type": "uint32_t", "default": 0},
      {"name": "strides", "type": "int32_t", "annotation": "const*", "length": "strides count", "optional": true},
      {"name": "dilations count", "type": "uint32_t", "default": 0},
      {"name": "dilations", "type": "int32_t", "annotation": "const*", "length": "dilations count", "optional": true},
      {"name": "output padding count", "type": "uint32_t", "default": 0},
      {"name": "output padding", "type": "int32_t", "annotation": "const*", "length": "output padding count", "optional": true},
      {"name": "output sizes count", "type": "uint32_t", "default": 0},
      {"name": "output sizes", "type": "int32_t", "annotation": "const*", "length": "output sizes count", "optional": true},
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      {"name": "groups", "type": "int32_t", "default": 1},
      {"name": "input layout", "type": "input operand layout", "default": "nchw"},
      {"name": "filter layout", "type": "conv transpose2d filter operand layout", "default": "iohw"},
      {"name": "bias", "type": "operand", "optional": true},
      {"name": "activation", "type": "fusion operator", "optional": true}
    ]
  },
  "slice options": {
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      {"name": "axes", "type": "int32_t", "annotation": "const*", "length": "axes count", "optional": true}
    ]
  },
  "gru options": {
    "category": "structure",
    "members": [
      {"name": "bias", "type": "operand", "optional": true},
      {"name": "recurrent bias", "type": "operand", "optional": true},
      {"name": "initial hidden state", "type": "operand", "optional": true},
      {"name": "reset after", "type": "bool", "default": "true"},
      {"name": "return sequence", "type": "bool", "default": "false"},
      {"name": "direction", "type": "recurrent network direction", "default": "forward"},
      {"name": "layout", "type": "recurrent network weight layout", "default": "zrn"},
      {"name": "activations", "type": "operator array", "optional": true}
    ]
  },
  "pad options": {
    "category": "structure",
    "members": [
      {"name": "mode", "type": "padding mode", "default": "constant"},
      {"name": "value", "type": "float", "default": 0}
    ]
  },
  "pool2d options": {
    "category": "structure",
    "members": [
      {"name": "window dimensions count", "type": "uint32_t", "default": 0},
      {"name": "window dimensions", "type": "int32_t", "annotation": "const*", "length": "window dimensions count", "optional": true},
      {"name": "padding count", "type": "uint32_t", "default": 0},
      {"name": "padding", "type": "int32_t", "annotation": "const*", "length": "padding count", "optional": true},
      {"name": "strides count", "type": "uint32_t", "default": 0},
      {"name": "strides", "type": "int32_t", "annotation": "const*", "length": "strides count", "optional": true},
      {"name": "dilations count", "type": "uint32_t", "default": 0},
      {"name": "dilations", "type": "int32_t", "annotation": "const*", "length": "dilations count", "optional": true},
      {"name": "auto pad", "type": "auto pad", "default": "explicit"},
      {"name": "layout", "type": "input operand layout", "default": "nchw"},
      {"name": "rounding type", "type": "rounding type", "default": "floor"},
      {"name": "output sizes count", "type": "uint32_t", "default": 0},
      {"name": "output sizes", "type": "int32_t", "annotation": "const*", "length": "output sizes count", "optional": true}
    ]
  },
  "gemm options": {
    "category": "structure",
    "members": [
      {"name": "c", "type": "operand", "optional": true},
      {"name": "alpha", "type": "float", "default": 1.0},
      {"name": "beta", "type": "float", "default": 1.0},
      {"name": "aTranspose", "type": "bool", "default": "false"},
      {"name": "bTranspose", "type": "bool", "default": "false"}
    ]
  },
  "leakyRelu options": {
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    "members": [
      {"name": "alpha", "type": "float", "default": 0.01}
    ]
  },
  "reduce options": {
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    "members": [
      {"name": "axes count", "type": "uint32_t", "default": 0},
      {"name": "axes", "type": "int32_t", "annotation": "const*", "length": "axes count","optional": true},
      {"name": "keepDimensions", "type": "bool", "default": "false"}
    ]
  },
  "resample2d options": {
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    "members": [
      {"name": "mode", "type": "interpolation mode", "default": "nearest neighbor"},
      {"name": "scales count", "type": "uint32_t", "default": 0},
      {"name": "scales", "type": "float", "annotation": "const*", "length": "scales count", "optional": true},
      {"name": "sizes count", "type": "uint32_t", "default": 0},
      {"name": "sizes", "type": "int32_t", "annotation": "const*", "length": "sizes count", "optional": true},
      {"name": "axes count", "type": "uint32_t", "default": 0},
      {"name": "axes", "type": "int32_t", "annotation": "const*", "length": "axes count", "optional": true}
    ]
  },
  "split options": {
    "category": "structure",
    "members": [
      {"name": "axis", "type": "int32_t", "default": 0}
    ]
  },
  "squeeze options": {
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      {"name": "axes", "type": "int32_t", "annotation": "const*", "length": "axes count", "optional": true}
    ]
  },
  "transpose options": {
    "category": "structure",
    "members": [
      {"name": "permutation count", "type": "uint32_t", "default": 0},
      {"name": "permutation", "type": "int32_t", "annotation": "const*", "length": "permutation count", "optional": true}
    ]
  },
  "batchNorm options": {
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    "members": [
      {"name": "scale", "type": "operand", "optional": true},
      {"name": "bias", "type": "operand", "optional": true},
      {"name": "axis", "type": "uint32_t", "default": 1},
      {"name": "epsilon", "type": "float", "default": 1e-5},
      {"name": "activation", "type": "fusion operator", "optional": true}
    ]
  },
  "instanceNorm options": {
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    "members": [
      {"name": "scale", "type": "operand", "optional": true},
      {"name": "bias", "type": "operand", "optional": true},
      {"name": "epsilon", "type": "float", "default": 1e-5},
      {"name": "layout", "type": "input operand layout", "default": "nchw"}
    ]
  },
  "graph builder": {
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    "methods": [
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        "name": "input",
        "returns": "operand",
        "args": [
          {"name": "name", "type": "char", "annotation": "const*", "length": "strlen"},
          {"name": "desc", "type": "operand descriptor", "annotation": "const*"}
        ]
      },
      {
        "name": "constant",
        "returns": "operand",
        "args": [
          {"name": "desc", "type": "operand descriptor", "annotation": "const*"},
          {"name": "value", "type": "array buffer view", "annotation": "const*"}
        ]
      },
      {
        "name": "constant with gpu buffer",
        "returns": "operand",
        "args": [
          {"name": "desc", "type": "operand descriptor", "annotation": "const*"},
          {"name": "value", "type": "gpu buffer view", "annotation": "const*"}
        ]
      },
      {
        "name": "matmul",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"}
        ]
      },
      {
        "name": "add",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"}
        ]
      },
      {
        "name": "div",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"}
        ]
      },
      {
        "name": "mul",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"}
        ]
      },
      {
        "name": "sub",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"}
        ]
      },
      {
        "name": "max",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"}
        ]
      },
      {
        "name": "min",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"}
        ]
      },
      {
        "name": "pow",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"}
        ]
      },
      {
        "name": "conv2d",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "filter", "type": "operand"},
          {"name": "options", "type": "conv2d options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "conv transpose2d",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "filter", "type": "operand"},
          {"name": "options", "type": "conv transpose2d options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "gru",
        "returns": "operand array",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "weight", "type": "operand"},
          {"name": "recurrentWeight", "type": "operand"},
          {"name": "steps", "type": "int32_t"},
          {"name": "hiddenSize", "type": "int32_t"},
          {"name": "options", "type": "gru options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "average pool2d",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "pool2d options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "abs",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "ceil",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "cos",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "exp",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "floor",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "log",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "neg",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "sin",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "tan",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "hard swish",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "hard swish operator",
        "returns": "fusion operator"
      },
      {
        "name": "gemm",
        "returns": "operand",
        "args": [
          {"name": "a", "type": "operand"},
          {"name": "b", "type": "operand"},
          {"name": "options", "type": "gemm options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "leaky relu",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "leakyRelu options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "leaky relu operator",
        "returns": "fusion operator",
        "args": [
          {"name": "options", "type": "leakyRelu options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "l2 pool2d",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "pool2d options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "max pool2d",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "pool2d options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "pad",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "padding", "type": "operand"},
          {"name": "options", "type": "pad options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "reduce arg max",
        "returns": "operand",
        "args": [
            {"name": "input", "type": "operand"},
            {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
        ]
      },
      {
          "name": "reduce arg min",
          "returns": "operand",
          "args": [
              {"name": "input", "type": "operand"},
              {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
          ]
      },
      {
        "name": "reduce l1",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "reduce l2",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "reduce max",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "reduce mean",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "reduce min",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "reduce product",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "reduce sum",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "reduce options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "resample2d",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "resample2d options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "relu",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "relu operator",
        "returns": "fusion operator"
      },
      {
        "name": "reshape",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "new shape", "type": "int32_t", "annotation": "const*", "length": "new shape count"},
          {"name": "new shape count", "type": "uint32_t"}
        ]
      },
      {
        "name": "sigmoid",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "sigmoid operator",
        "returns": "fusion operator"
      },
      {
        "name": "slice",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "starts", "type": "int32_t", "annotation": "const*", "length": "starts count"},
          {"name": "starts count", "type": "uint32_t"},
          {"name": "sizes", "type": "int32_t", "annotation": "const*", "length": "sizes count"},
          {"name": "sizes count", "type": "uint32_t"},
          {"name": "options", "type": "slice options", "annotation": "const*", "optional": true}
        ]

      },
      {
        "name": "split",
        "returns": "operand array",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "splits", "type": "uint32_t", "annotation": "const*", "length": "splits count"},
          {"name": "splits count", "type": "uint32_t"},
          {"name": "options", "type": "split options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "squeeze",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "squeeze options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "softmax",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "tanh",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"}
        ]
      },
      {
        "name": "tanh operator",
        "returns": "fusion operator"
      },
      {
        "name": "transpose",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "transpose options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "concat",
        "returns": "operand",
        "args": [
          {"name": "inputs count", "type": "uint32_t"},
          {"name": "inputs", "type": "operand", "annotation": "const*", "length": "inputs count"},
          {"name": "axis", "type": "uint32_t"}
        ]
      },
      {
        "name": "clamp",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "clamp options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "clamp operator",
        "returns": "fusion operator",
        "args": [
          {"name": "options", "type": "clamp options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "batch norm",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "mean", "type": "operand"},
          {"name": "variance", "type": "operand"},
          {"name": "options", "type": "batchNorm options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "instance norm",
        "returns": "operand",
        "args": [
          {"name": "input", "type": "operand"},
          {"name": "options", "type": "instanceNorm options", "annotation": "const*", "optional": true}
        ]
      },
      {
        "name": "build",
        "returns": "graph",
        "args": [
          {"name": "named operands", "type": "named operands"}
        ]
      }
    ]
  },
  "resource": {
    "category": "structure",
    "members": [
      {"name": "array buffer view", "type": "array buffer view"},
      {"name": "gpu buffer view", "type": "gpu buffer view"}
    ]
  },
  "input": {
    "category": "structure",
    "members": [
      {"name": "resource", "type": "resource"},
      {"name": "dimensions", "type": "int32_t", "annotation": "const*", "length": "dimensions count", "optional": true},
      {"name": "dimensions count", "type": "uint32_t", "default": 0}
    ]
  },
  "array buffer view": {
    "category": "structure",
    "members": [
      {"name": "buffer", "type": "void", "annotation": "*", "length": "byte length"},
      {"name": "byte length", "type": "size_t"},
      {"name": "byte offset", "type": "size_t", "default": 0}
    ]
  },
  "gpu buffer view": {
    "category": "structure",
    "members": [
      {"name": "buffer", "type": "void", "annotation": "*", "optional": true, "_comment": "WGPUBuffer"},
      {"name": "id", "type": "uint32_t", "default": 0},
      {"name": "generation", "type": "uint32_t", "default": 0},
      {"name": "size", "type": "size_t"},
      {"name": "offset", "type": "size_t", "default": 0}
    ]
  },
  "gpu device": {
    "category": "structure",
    "members": [
      {"name": "device", "type": "void", "annotation": "*", "optional": true, "_comment": "WGPUDevice"},
      {"name": "id", "type": "uint32_t", "default": 0},
      {"name": "generation", "type": "uint32_t", "default": 0}
    ]
  },
  "named inputs": {
    "category": "object",
    "methods": [
      {
        "name": "set",
        "args": [
          {"name": "name", "type": "char", "annotation": "const*", "length": "strlen"},
          {"name": "input", "type": "input", "annotation": "const*"}
        ]
      }
    ]
  },
  "named outputs": {
    "category": "object",
    "methods": [
      {
        "name": "set",
        "args": [
          {"name": "name", "type": "char", "annotation": "const*", "length": "strlen"},
          {"name": "resource", "type": "resource", "annotation": "const*"}
        ]
      },
      {
        "name": "get",
        "args": [
          {"name": "name", "type": "char", "annotation": "const*", "length": "strlen"},
          {"name": "resource", "type": "array buffer view", "annotation": "*"}
        ]
      }
    ]
  },
  "compute async callback": {
    "category": "callback",
    "args": [
	      {"name": "type", "type": "error type"},
        {"name": "message", "type": "char", "annotation": "const*", "length": "strlen"},
        {"name": "userdata", "type": "void", "annotation": "*"}
    ]
  },
  "graph": {
    "category": "object",
    "methods": [
      {
        "name": "compute",
        "returns": "void",
        "args": [
          {"name": "inputs", "type": "named inputs"},
          {"name": "outputs", "type": "named outputs"}
        ]
      },
      {
        "name": "compute async",
        "returns": "void",
        "args": [
          {"name": "inputs", "type": "named inputs"},
          {"name": "outputs", "type": "named outputs"},
          {"name": "callback", "type": "compute async callback"},
          {"name": "userdata", "type": "void", "annotation": "*"}
        ]
      }
    ]
  }
}