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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
#ifndef ANDROID_FRAMEWORKS_ML_NN_COMMON_GRAPH_DUMP_H
#define ANDROID_FRAMEWORKS_ML_NN_COMMON_GRAPH_DUMP_H
#include <android/hardware/neuralnetworks/1.3/types.h>
#include <iostream>
namespace android {
namespace nn {
// Write a representation of the model in Graphviz (.dot) format to
// the specified stream (if provided) or to the logcat (if no stream
// is provided). (See http://www.graphviz.org.)
//
// Operations are represented by boxes, and operands by ellipses. The
// number in a box/ellipse is the operation/operand index. In the
// case of an operation, we include the operation type (such as ADD).
// In the case of an operand, we include the an abbreviated form of
// the operand code (such as FLOAT32) and dimensions; and, if the
// operand has lifetime CONSTANT_COPY, CONSTANT_REFERENCE, or
// NO_VALUE, an abbreviated form of that lifetime.
//
// A graph edge from an operand to an operation is marked with the
// input index (position in the operation's input vector). A graph
// edge from an operation to an operand is marked with the output
// index (position in the operation's output vector). The number is
// omitted from a lone input edge or a lone output edge.
//
// A model input or output (operand) is shown in "reverse colors" --
// white text on a black background.
//
void graphDump(const char* name, const ::android::hardware::neuralnetworks::V1_3::Model& model,
std::ostream* outStream = nullptr);
} // namespace nn
} // namespace android
#endif // ANDROID_FRAMEWORKS_ML_NN_COMMON_GRAPH_DUMP_H
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