ir_version: 3 producer_name: "nGraph ONNX Importer" model_version: 1 graph { node { input: "Input3" output: "Block87_Output_0" name: "Block87" op_type: "Flatten" attribute { name: "axis" i: 1 type: INT } doc_string: "" domain: "" } name: "CNTKGraph" input { name: "Input3" type { tensor_type { elem_type: 1 shape { dim { dim_value: 1 } dim { dim_value: 2 } dim { dim_value: 2 } dim { dim_value: 2 } } } } } output { name: "Block87_Output_0" type { tensor_type { elem_type: 1 shape { dim { dim_value: 1 } dim { dim_value: 2 } dim { dim_value: 4 } } } } } } opset_import { domain: "" version: 2 }