278 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			278 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
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|  * Copyright (C) 2017 The Android Open Source Project
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  *      http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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| 
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| #define LOG_TAG "GraphDump"
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| 
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| #include "GraphDump.h"
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| 
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| #include <android-base/logging.h>
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| 
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| #include <algorithm>
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| #include <iostream>
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| #include <map>
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| #include <sstream>
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| #include <string>
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| #include <utility>
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| 
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| #include "LegacyUtils.h"
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| 
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| namespace android {
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| namespace nn {
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| 
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| // class Dumper is a wrapper around an std::ostream (if instantiated
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| // with a pointer to a stream) or around LOG(INFO) (otherwise).
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| //
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| // Send fragments of output to it with operator<<(), as per usual
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| // stream conventions.  Unlike with LOG(INFO), there is no implicit
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| // end-of-line.  To end a line, send Dumper::endl.
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| //
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| // Example:
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| //
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| //   Dumper d(nullptr);  // will go to LOG(INFO)
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| //   d << "These words are";
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| //   d << " all" << " on";
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| //   d << " the same line." << Dumper::endl;
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| //
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| namespace {
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| class Dumper {
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|    public:
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|     Dumper(std::ostream* outStream) : mStream(outStream) {}
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| 
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|     Dumper(const Dumper&) = delete;
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|     void operator=(const Dumper&) = delete;
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| 
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|     template <typename T>
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|     Dumper& operator<<(const T& val) {
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|         mStringStream << val;
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|         return *this;
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|     }
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| 
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|     class EndlType {};
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| 
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|     Dumper& operator<<(EndlType) {
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|         if (mStream) {
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|             *mStream << mStringStream.str() << std::endl;
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|         } else {
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|             // TODO: There is a limit of how long a single LOG line
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|             // can be; extra characters are truncated.  (See
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|             // LOGGER_ENTRY_MAX_PAYLOAD and LOGGER_ENTRY_MAX_LEN.)  We
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|             // may want to figure out the linebreak rules for the .dot
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|             // format and try to ensure that we generate correct .dot
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|             // output whose lines do not exceed some maximum length.
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|             // The intelligence for breaking the lines might have to
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|             // live in graphDump() rather than in the Dumper class, so
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|             // that it can be sensitive to the .dot format.
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|             LOG(INFO) << mStringStream.str();
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|         }
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|         std::ostringstream empty;
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|         std::swap(mStringStream, empty);
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|         return *this;
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|     }
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| 
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|     static const EndlType endl;
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| 
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|    private:
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|     std::ostream* mStream;
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|     std::ostringstream mStringStream;
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| };
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| 
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| const Dumper::EndlType Dumper::endl;
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| }  // namespace
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| 
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| // Provide short name for OperandType value.
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| static std::string translate(OperandType type) {
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|     switch (type) {
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|         case OperandType::FLOAT32:
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|             return "F32";
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|         case OperandType::INT32:
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|             return "I32";
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|         case OperandType::UINT32:
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|             return "U32";
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|         case OperandType::TENSOR_FLOAT32:
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|             return "TF32";
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|         case OperandType::TENSOR_INT32:
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|             return "TI32";
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|         case OperandType::TENSOR_QUANT8_ASYMM:
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|             return "TQ8A";
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|         case OperandType::OEM:
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|             return "OEM";
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|         case OperandType::TENSOR_OEM_BYTE:
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|             return "TOEMB";
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|         default: {
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|             std::ostringstream oss;
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|             oss << type;
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|             return oss.str();
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|         }
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|     }
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| }
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| 
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| // If the specified Operand of the specified Model has OperandType
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| // nnType corresponding to C++ type cppType and is of
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| // Operand::LifeTime::CONSTANT_COPY, then write the Operand's value to
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| // the Dumper.
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| namespace {
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| template <OperandType nnType, typename cppType>
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| void tryValueDump(Dumper& dump, const Model& model, const Operand& opnd) {
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|     if (opnd.type != nnType) {
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|         return;
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|     }
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| 
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|     const void* pointer = nullptr;
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|     if (opnd.lifetime == Operand::LifeTime::CONSTANT_COPY) {
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|         pointer = model.operandValues.data() + opnd.location.offset;
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|     } else if (opnd.lifetime == Operand::LifeTime::POINTER) {
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|         pointer = std::get<const void*>(opnd.location.pointer);
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|     } else {
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|         return;
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|     }
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| 
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|     if (opnd.location.length != sizeof(cppType)) {
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|         return;
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|     }
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| 
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|     cppType val;
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|     memcpy(&val, pointer, sizeof(cppType));
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|     dump << " = " << val;
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| }
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| }  // namespace
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| 
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| void graphDump(const char* name, const Model& model, std::ostream* outStream) {
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|     // Operand nodes are named "d" (operanD) followed by operand index.
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|     // Operation nodes are named "n" (operatioN) followed by operation index.
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|     // (These names are not the names that are actually displayed -- those
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|     //  names are given by the "label" attribute.)
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| 
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|     Dumper dump(outStream);
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| 
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|     dump << "// " << name << Dumper::endl;
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|     dump << "digraph {" << Dumper::endl;
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| 
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|     // model inputs and outputs (map from operand index to input or output index)
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|     std::map<uint32_t, uint32_t> modelIO;
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|     for (unsigned i = 0, e = model.main.inputIndexes.size(); i < e; i++) {
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|         modelIO.emplace(model.main.inputIndexes[i], i);
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|     }
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|     for (unsigned i = 0, e = model.main.outputIndexes.size(); i < e; i++) {
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|         modelIO.emplace(model.main.outputIndexes[i], i);
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|     }
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| 
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|     // TODO(b/147661714): Add subgraph support to GraphDump.
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|     if (model.referenced.size() != 0) {
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|         dump << "// NOTE: " << model.referenced.size() << " subgraphs omitted" << Dumper::endl;
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|         dump << "// TODO(b/147661714): Add subgraph support to GraphDump" << Dumper::endl;
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|     }
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| 
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|     // model operands
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|     for (unsigned i = 0, e = model.main.operands.size(); i < e; i++) {
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|         dump << "    d" << i << " [";
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|         if (modelIO.count(i)) {
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|             dump << "style=filled fillcolor=black fontcolor=white ";
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|         }
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|         dump << "label=\"";
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|         const Operand& opnd = model.main.operands[i];
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|         const char* kind = nullptr;
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|         const char* io = nullptr;
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|         switch (opnd.lifetime) {
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|             case Operand::LifeTime::CONSTANT_COPY:
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|                 kind = "COPY";
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|                 break;
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|             case Operand::LifeTime::CONSTANT_REFERENCE:
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|                 kind = "REF";
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|                 break;
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|             case Operand::LifeTime::SUBGRAPH_INPUT:
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|                 io = "input";
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|                 break;
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|             case Operand::LifeTime::SUBGRAPH_OUTPUT:
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|                 io = "output";
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|                 break;
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|             case Operand::LifeTime::NO_VALUE:
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|                 kind = "NO";
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|                 break;
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|             case Operand::LifeTime::SUBGRAPH:
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|                 kind = "SUBGRAPH";
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|                 break;
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|             case Operand::LifeTime::POINTER:
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|                 kind = "POINTER";
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|                 break;
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|             case Operand::LifeTime::TEMPORARY_VARIABLE:
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|                 // nothing interesting
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|                 break;
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|         }
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|         dump << i;
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|         if (io) {
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|             dump << " = " << io << "[" << modelIO.at(i) << "]";
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|         }
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|         if (kind) {
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|             dump << ": " << kind;
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|         }
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|         dump << "\\n" << translate(opnd.type);
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|         tryValueDump<OperandType::FLOAT32, float>(dump, model, opnd);
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|         tryValueDump<OperandType::INT32, int>(dump, model, opnd);
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|         tryValueDump<OperandType::UINT32, unsigned>(dump, model, opnd);
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|         if (!opnd.dimensions.empty()) {
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|             dump << "(";
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|             for (unsigned i = 0, e = opnd.dimensions.size(); i < e; i++) {
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|                 if (i > 0) {
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|                     dump << "x";
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|                 }
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|                 dump << opnd.dimensions[i];
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|             }
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|             dump << ")";
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|         }
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|         dump << "\"]" << Dumper::endl;
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|     }
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| 
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|     // model operations
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|     for (unsigned i = 0, e = model.main.operations.size(); i < e; i++) {
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|         const Operation& operation = model.main.operations[i];
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|         dump << "    n" << i << " [shape=box";
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|         const uint32_t maxArity = std::max(operation.inputs.size(), operation.outputs.size());
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|         if (maxArity > 1) {
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|             if (maxArity == operation.inputs.size()) {
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|                 dump << " ordering=in";
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|             } else {
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|                 dump << " ordering=out";
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|             }
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|         }
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|         dump << " label=\"" << i << ": " << operation.type << "\"]" << Dumper::endl;
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|         {
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|             // operation inputs
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|             for (unsigned in = 0, inE = operation.inputs.size(); in < inE; in++) {
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|                 dump << "    d" << operation.inputs[in] << " -> n" << i;
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|                 if (inE > 1) {
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|                     dump << " [label=" << in << "]";
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|                 }
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|                 dump << Dumper::endl;
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|             }
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|         }
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| 
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|         {
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|             // operation outputs
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|             for (unsigned out = 0, outE = operation.outputs.size(); out < outE; out++) {
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|                 dump << "    n" << i << " -> d" << operation.outputs[out];
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|                 if (outE > 1) {
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|                     dump << " [label=" << out << "]";
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|                 }
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|                 dump << Dumper::endl;
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|             }
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|         }
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|     }
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|     dump << "}" << Dumper::endl;
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| }
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| 
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| }  // namespace nn
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| }  // namespace android
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