Google Git
Sign in
android / platform / external / armnn / fcf6fd56 / . / src / armnnOnnxParser / OnnxParser.cpp
blob: 9d374aed7100970994f1d1314b7d1b843fe20fd8 [file] [log] [blame]
//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "OnnxParser.hpp"
#include <armnn/ArmNN.hpp>
#include <armnn/Utils.hpp>
#include <VerificationHelpers.hpp>
#include <boost/format.hpp>
#include <boost/numeric/conversion/cast.hpp>
#include <google/protobuf/text_format.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
#include <numeric>
using namespace armnn;
namespace armnnOnnxParser
{
namespace
{
void CheckValidDataType(std::initializer_list<onnx::TensorProto::DataType> validInputTypes,
const onnx::TensorProto::DataType actualValue,
const char* validExpr,
std::string nodeName,
std::string tensorName,
const armnn::CheckLocation& location)
{
bool isValid = std::any_of(validInputTypes.begin(),
validInputTypes.end(),
[&actualValue](onnx::TensorProto::DataType x) { return x == actualValue; } );
if (!isValid)
{
throw ParseException(
boost::str(
boost::format("Datatype %1% is not valid for tensor '%2%' of node '%3%', not in {%4%}. %5%") %
onnx::TensorProto::DataType_Name(actualValue) %
tensorName %
nodeName %
validExpr %
location.AsString()));
}
}
#define CHECK_VALID_DATATYPE(NODE, TENSOR, ACTUAL, ...) \
CheckValidDataType({__VA_ARGS__}, ACTUAL, #__VA_ARGS__, NODE, TENSOR, CHECK_LOCATION())
using StrTypeListPair = std::pair<const char*, std::initializer_list<onnx::TensorProto::DataType>>;
#define STR_LIST(...) StrTypeListPair(#__VA_ARGS__, {__VA_ARGS__})
template <typename Callable>
void ReadMandatoryNodeAttributeImpl(const onnx::NodeProto& node,
const std::string& attribName,
onnx::AttributeProto::AttributeType expectedType,
Callable callable)
{
auto attribs = node.attribute();
int attriNum = 0;
while (attriNum < node.attribute_size())
{
if (attribs.Get(attriNum).name() == attribName)
{
if (attribs.Get(attriNum).type() == expectedType)
{
callable(attribs.Get(attriNum));
}
else
{
throw ParseException(boost::str(boost::format(
"Attribute %1% of node %2% expected to have %3% as onnx::AttributeProto::AttributeType, "
"but found %4% instead %5%")
% attribName
% node.name()
% onnx::AttributeProto::AttributeType_Name(expectedType)
% onnx::AttributeProto::AttributeType_Name(attribs.Get(attriNum).type())
% CHECK_LOCATION().AsString()));
}
break;
}
++attriNum;
}
if (attriNum == node.attribute_size())
{
throw ParseException(boost::str(boost::format("Could not find required attribute %1% in node %2% %3%")
% attribName % node.name() % CHECK_LOCATION().AsString()));
}
}
template <typename Callable>
void ReadOptionalNodeAttributeImpl(const onnx::NodeProto& node,
const std::string& attribName,
onnx::AttributeProto::AttributeType expectedType,
Callable callable)
{
auto attribs = node.attribute();
for (int attriNum = 0; attriNum < node.attribute_size(); ++attriNum)
{
if (attribs.Get(attriNum).name() == attribName)
{
if (attribs.Get(attriNum).type() == expectedType)
{
callable(attribs.Get(attriNum));
}
else
{
throw ParseException(boost::str(boost::format(
"Attribute %1% of node %2% expected to have %3% as onnx::AttributeProto::AttributeType, "
"but found %4% instead %5%")
% attribName
% node.name()
% onnx::AttributeProto::AttributeType_Name(expectedType)
% onnx::AttributeProto::AttributeType_Name(attribs.Get(attriNum).type())
% CHECK_LOCATION().AsString()));
}
}
}
}
std::vector<uint32_t> ReadMandatoryNodeUint32ListAttribute(const onnx::NodeProto& node,
const std::string& name)
{
std::vector<uint32_t> attriList;
ReadMandatoryNodeAttributeImpl(node, name, onnx::AttributeProto::INTS,
[&attriList](const onnx::AttributeProto& attrValue)
{
for (int attriNum = 0; attriNum < attrValue.ints_size(); ++attriNum)
{
attriList.push_back(CHECKED_NON_NEGATIVE(CHECKED_INT32(attrValue.ints().Get(attriNum))));
}
});
return attriList;
}
uint32_t ReadOptionalNodeUint32Attribute(const onnx::NodeProto& node,
const std::string& name,
const uint32_t defaultVal = 0u)
{
uint32_t attribValue = defaultVal;
ReadOptionalNodeAttributeImpl(node, name, onnx::AttributeProto::INT,
[&attribValue](const onnx::AttributeProto& attrValue)
{
attribValue = CHECKED_NON_NEGATIVE(CHECKED_INT32((attrValue.i())));
});
return attribValue;
}
std::vector<uint32_t> ReadOptionalNodeUint32ListAttribute(const onnx::NodeProto& node,
const std::string& name)
{
std::vector<uint32_t> attriList;
ReadOptionalNodeAttributeImpl(node, name, onnx::AttributeProto::INTS,
[&attriList](const onnx::AttributeProto& attrValue)
{
for (int attriNum = 0; attriNum < attrValue.ints_size(); ++attriNum)
{
attriList.push_back(CHECKED_NON_NEGATIVE(CHECKED_INT32(attrValue.ints().Get(attriNum))));
}
});
return attriList;
}
float ReadOptionalNodeFloatAttribute(const onnx::NodeProto& node,
const std::string& name,
const float defaultValue = 0.0f)
{
float attribValue = defaultValue;
ReadOptionalNodeAttributeImpl(node, name, onnx::AttributeProto::FLOAT,
[&attribValue](const onnx::AttributeProto& attrValue)
{
attribValue = attrValue.f();
});
return attribValue;
}
std::string ReadOptionalNodeStringAttribute(const onnx::NodeProto& node, const std::string& name)
{
std::string attribValue = "";
ReadOptionalNodeAttributeImpl(node, name, onnx::AttributeProto::STRING,
[&attribValue](const onnx::AttributeProto& attrValue)
{
attribValue = attrValue.s();
});
return attribValue;
}
armnn::TensorInfo ToTensorInfo(const std::string& name, std::vector<unsigned int>& shape, int data_type)
{
DataType type;
switch(data_type)
{
case onnx::TensorProto::FLOAT:
{
type = DataType::Float32;
break;
}
case onnx::TensorProto::INT32:
case onnx::TensorProto::INT64:
{
type = DataType::Signed32;
break;
}
default:
{
throw ParseException(
boost::str(
boost::format("'%1%' is not a currently supported datatype for tensor %2%."
" Supported dataTypes are FLOAT, INT32 and INT64. %3%") %
onnx::TensorProto::DataType_Name(
static_cast<onnx::TensorProto::DataType>(data_type)) %
name %
CHECK_LOCATION().AsString() ));
}
}
return TensorInfo(TensorShape(static_cast<unsigned int>(shape.size()), shape.data()), type);
}
armnn::TensorInfo ToTensorInfo(const onnx::ValueInfoProto& info)
{
const onnx::TensorShapeProto onnxShape = info.type().tensor_type().shape();
std::vector<unsigned int> shapeDims;
for (int i = 0; i < onnxShape.dim_size(); ++i)
{
shapeDims.push_back(CHECKED_NON_NEGATIVE(CHECKED_INT32(onnxShape.dim(i).dim_value())));
}
return ToTensorInfo(info.name(), shapeDims, info.type().tensor_type().elem_type());
}
armnn::TensorInfo ToTensorInfo(const onnx::TensorProto& tensor)
{
std::vector<unsigned int> shapeDims;
for (auto dim: tensor.dims())
{
shapeDims.push_back(CHECKED_NON_NEGATIVE(CHECKED_INT32(dim)));
}
return ToTensorInfo(tensor.name(), shapeDims, tensor.data_type());
}
std::string TensorInfoAsString(const TensorInfo& info,
const std::string& name,
const onnx::TensorProto::DataType& type)
{
const TensorShape shape = info.GetShape();
std::stringstream ss;
ss << "tensor '" << name << "' contains "
<< onnx::TensorProto::DataType_Name(type)
<< " and has shape [";
for (uint32_t i = 0; i < shape.GetNumDimensions() - 1; ++i)
{
ss << shape[i] << ", ";
}
ss << shape[shape.GetNumDimensions() - 1] << "]";
return ss.str();
}
void CalcPadding(uint32_t inputSize, uint32_t filterSize, uint32_t stride, uint32_t* paddingFront,
uint32_t* paddingBack, bool isUpper)
{
uint32_t outputSize = (inputSize + stride - 1) / stride;
uint32_t temp = (outputSize - 1) * stride + filterSize;
*paddingFront = (temp - inputSize) / 2;
*paddingBack = *paddingFront;
if((temp - inputSize) % 2 == 1)
{
if (isUpper)
{
*paddingBack += 1;
}
else
{
*paddingFront += 1;
}
}
}
TensorInfo ComputeReshapeInfo(const onnx::TensorProto& targetShapeTensor,
const TensorShape& inShape,
const std::string& outName)
{
std::vector<int> targetDims;
for(int i = 0; i < targetShapeTensor.int64_data_size(); ++i)
{
int val = CHECKED_INT32(targetShapeTensor.int64_data(i));
if(val == 0)
{
targetDims.push_back(static_cast<int>(inShape[static_cast<uint>(i)]));
}
else
{
targetDims.push_back(val);
}
}
std::vector<unsigned int> outDims(targetDims.begin(), targetDims.end());
const auto stretchDim = std::find(targetDims.begin(), targetDims.end(), -1);
if (stretchDim != targetDims.end())
{
if (std::find(std::next(stretchDim), targetDims.end(), -1) != targetDims.end())
{
std::stringstream ss;
ss << "[ ";
for(uint i = 0; i < targetDims.size() - 1; ++i)
{
ss << targetDims[i] << ", ";
}
ss << targetDims[targetDims.size() - 1] << " ]";
throw ParseException(boost::str(
boost::format("Error during creation of reshaped tensor '%1%'. At most one component of shape can be "
" -1 and here, shape is %2% %3%")
% outName
% ss.str()
% CHECK_LOCATION().AsString()));
}
auto targetNumElements = boost::numeric_cast<unsigned int>(std::accumulate(targetDims.begin(), targetDims.end(),
-1, std::multiplies<int32_t>()));
auto stretchIndex = static_cast<size_t>(std::distance(targetDims.begin(), stretchDim));
outDims[stretchIndex] = inShape.GetNumElements() / targetNumElements;
}
TensorShape outShape = TensorShape{static_cast<unsigned int>(outDims.size()), outDims.data()};
return TensorInfo(outShape, DataType::Float32);
}
} //namespace
const std::map<std::string, OnnxParser::OperationParsingFunction> OnnxParser::m_ParserFunctions = {
{ "BatchNormalization", &OnnxParser::ParseBatchNormalization},
{ "GlobalAveragePool", &OnnxParser::ParseGlobalAveragePool},
{ "AveragePool", &OnnxParser::ParseAveragePool },
{ "Constant", &OnnxParser::ParseConstant },
{ "MaxPool", &OnnxParser::ParseMaxPool },
{ "Reshape", &OnnxParser::ParseReshape },
{ "Relu", &OnnxParser::ParseRelu },
{ "Conv", &OnnxParser::ParseConv },
{ "Add", &OnnxParser::ParseAdd },
};
template<typename TypePair, typename Location>
void OnnxParser::ValidateInputs(const onnx::NodeProto& node,
TypePair validInputs,
const Location& location)
{
for(auto input : node.input())
{
CheckValidDataType(validInputs.second,
m_TensorsInfo[input].m_dtype,
validInputs.first,
node.name(),
input,
location);
}
}
#define VALID_INPUTS(NODE, VALID_INPUTS) \
OnnxParser::ValidateInputs(NODE, \
VALID_INPUTS, \
CHECK_LOCATION())
std::vector<TensorInfo> OnnxParser::ComputeOutputInfo(std::vector<std::string> outNames,
const IConnectableLayer* layer,
std::vector<TensorShape> inputShapes)
{
BOOST_ASSERT(! outNames.empty());
bool needCompute = std::any_of(outNames.begin(),
outNames.end(),
[this](std::string name)
{
return (m_TensorsInfo.count(name) == 0 || m_TensorsInfo[name].m_info == nullptr);
});
std::vector<TensorInfo> outInfo;
//if the output info(s) are not here, we need to compute them
std::vector<TensorShape> inferredShapes;
if(needCompute)
{
inferredShapes = layer->InferOutputShapes(inputShapes);
BOOST_ASSERT(inferredShapes.size() == outNames.size());
}
for (uint i = 0; i < outNames.size(); ++i)
{
if(needCompute)
{
m_TensorsInfo[outNames[i]] = OnnxTensor();
m_TensorsInfo[outNames[i]].m_info = std::make_unique<TensorInfo>(
TensorInfo(inferredShapes[i], DataType::Float32));
}
outInfo.push_back(*m_TensorsInfo[outNames[i]].m_info);
}
return outInfo;
}
IOnnxParser* IOnnxParser::CreateRaw()
{
return new OnnxParser();
}
IOnnxParserPtr IOnnxParser::Create()
{
return IOnnxParserPtr(CreateRaw(), &IOnnxParser::Destroy);
}
void IOnnxParser::Destroy(IOnnxParser* parser)
{
delete parser;
}
OnnxParser::OnnxParser()
: m_Network(nullptr, nullptr)
{
}
void OnnxParser::ResetParser()
{
m_Network = armnn::INetworkPtr(nullptr, nullptr);
m_Graph = nullptr;
}
void OnnxParser::Cleanup()
{
m_TensorConnections.clear();
m_TensorsInfo.clear();
m_OutputsMap.clear();
m_OutputsFusedAndUsed.clear();
}
std::pair<ConstTensor, std::unique_ptr<float[]>> OnnxParser::CreateConstTensor(const std::string name)
{
const TensorInfo tensorInfo = *m_TensorsInfo[name].m_info;
onnx::TensorProto onnxTensor = *m_TensorsInfo[name].m_tensor;
auto srcData = onnxTensor.float_data().data();
std::unique_ptr<float[]> tensorData(new float[tensorInfo.GetNumElements()]);
const size_t tensorSizeInBytes = tensorInfo.GetNumBytes();
// Copy the value list entries into the destination
if (!onnxTensor.has_raw_data())
{
if(tensorInfo.GetNumElements() != static_cast<uint>(onnxTensor.float_data_size()))
{
throw ParseException(boost::str(
boost::format("The number of data provided (%1%) does not match the tensor '%2%' number of elements"
" (%3%) %4%")
% onnxTensor.float_data_size()
% name
% tensorInfo.GetNumElements()
% CHECK_LOCATION().AsString()));
}
::memcpy(tensorData.get(), srcData, tensorSizeInBytes);
}
else
{
::memcpy(tensorData.get(), onnxTensor.raw_data().c_str(), tensorSizeInBytes);
}
// Const tensors requires at least a list of values
if (tensorInfo.GetNumElements() == 0)
{
throw ParseException(boost::str(
boost::format("No tensor data found for Const tensor '%1%' %2%")
% name
% CHECK_LOCATION().AsString()));
}
return std::make_pair(ConstTensor(tensorInfo, tensorData.get()), std::move(tensorData));
}
ModelPtr OnnxParser::LoadModelFromTextFile(const char* graphFile)
{
FILE* fd = fopen(graphFile, "r");
if (fd == nullptr)
{
throw FileNotFoundException(boost::str(
boost::format("Invalid (null) filename %1%") % CHECK_LOCATION().AsString()));
}
// Parse the file into a message
ModelPtr modelProto = std::make_unique<onnx::ModelProto>();
using google::protobuf::io::FileInputStream;
std::unique_ptr<FileInputStream> input = std::make_unique<FileInputStream>(fileno(fd));
bool success = google::protobuf::TextFormat::Parse(input.get(), modelProto.get());
fclose(fd);
if (!success)
{
std::stringstream error;
error << "Failed to parse graph file";
throw ParseException(boost::str(
boost::format("%1% %2%") % error.str() % CHECK_LOCATION().AsString()));
}
return modelProto;
}
INetworkPtr OnnxParser::CreateNetworkFromTextFile(const char* graphFile)
{
ResetParser();
ModelPtr modelProto = LoadModelFromTextFile(graphFile);
return CreateNetworkFromModel(*modelProto);
}
ModelPtr OnnxParser::LoadModelFromBinaryFile(const char* graphFile)
{
FILE* fd = fopen(graphFile, "rb");
if (fd == nullptr)
{
throw FileNotFoundException(boost::str(
boost::format("Invalid (null) filename %1%") % CHECK_LOCATION().AsString()));
}
// Parse the file into a message
ModelPtr modelProto = std::make_unique<onnx::ModelProto>();
google::protobuf::io::FileInputStream inStream(fileno(fd));
google::protobuf::io::CodedInputStream codedStream(&inStream);
codedStream.SetTotalBytesLimit(INT_MAX, INT_MAX);
bool success = modelProto.get()->ParseFromCodedStream(&codedStream);
fclose(fd);
if (!success)
{
std::stringstream error;
error << "Failed to parse graph file";
throw ParseException(boost::str(
boost::format("%1% %2%") % error.str() % CHECK_LOCATION().AsString()));
}
return modelProto;
}
INetworkPtr OnnxParser::CreateNetworkFromBinaryFile(const char* graphFile)
{
ResetParser();
ModelPtr modelProto = LoadModelFromBinaryFile(graphFile);
return CreateNetworkFromModel(*modelProto);
}
ModelPtr OnnxParser::LoadModelFromString(const std::string& protoText)
{
if (protoText == "")
{
throw InvalidArgumentException(boost::str(
boost::format("Invalid (empty) string for model parameter %1%") % CHECK_LOCATION().AsString()));
}
// Parse the string into a message
ModelPtr modelProto = std::make_unique<onnx::ModelProto>();
bool success = google::protobuf::TextFormat::ParseFromString(protoText, modelProto.get());
if (!success)
{
std::stringstream error;
error << "Failed to parse graph file";
throw ParseException(boost::str(
boost::format("%1% %2%") % error.str() % CHECK_LOCATION().AsString()));
}
return modelProto;
}
INetworkPtr OnnxParser::CreateNetworkFromString(const std::string& protoText)
{
ResetParser();
ModelPtr modelProto = LoadModelFromString(protoText);
return CreateNetworkFromModel(*modelProto);
}
INetworkPtr OnnxParser::CreateNetworkFromModel(onnx::ModelProto& model)
{
m_Network = INetwork::Create();
try
{
m_Graph = std::make_unique<onnx::GraphProto>(*model.mutable_graph());
LoadGraph();
}
catch (const ParseException& e)
{
Cleanup();
throw e;
}
Cleanup();
return std::move(m_Network);
}
void OnnxParser::LoadGraph()
{
BOOST_ASSERT(m_Graph.get() != nullptr);
//Fill m_TensorsInfo with the shapes and value of every tensor
SetupInfo(m_Graph->mutable_output());
SetupInfo(m_Graph->mutable_input());
SetupInfo(m_Graph->mutable_value_info());
for (auto tensor : m_Graph->initializer())
{
m_TensorsInfo[tensor.name()].m_tensor = std::make_unique<const onnx::TensorProto>(tensor);
m_TensorsInfo[tensor.name()].m_info = std::make_unique<TensorInfo>(ToTensorInfo(tensor));
m_TensorsInfo[tensor.name()].m_dtype =
static_cast<onnx::TensorProto::DataType>(tensor.data_type());
}
SetupInputLayers();
SetupOutputLayers();
//Detect FullyConnected layers with bias and update the FusedAndUsed map acccordingly
DetectFullyConnected();
//Parsing the graph
for(size_t nodeIndex = 0; nodeIndex < static_cast<size_t>(m_Graph->node_size()); nodeIndex++)
{
auto node = m_Graph->node(static_cast<int>(nodeIndex));
const std::string& operation = node.op_type();
// check which layers we handled already (add and matmul fused as FC)
if(operation == "MatMul" )
{
if(m_OutputsFusedAndUsed[nodeIndex].inputForNodes != m_OutputsFusedAndUsed[nodeIndex].fusedWithNodes.size())
{
//Node which can not be fused as a FullyConnected layer (used in layers as a simple matmul output)
AddFullyConnected(node);
}
}
else if (!(m_OutputsFusedAndUsed[nodeIndex].fusedWithNodes.empty()) && operation == "Add")
{
int matmulIndex = static_cast<int> (m_OutputsFusedAndUsed[nodeIndex].fusedWithNodes[0]);
AddFullyConnected(m_Graph->node(matmulIndex), &node);
}
else if (m_OutputsFusedAndUsed[nodeIndex].fusedWithNodes.empty()) //node is not part of a fused layer
{
auto it = m_ParserFunctions.find(operation);
if (it != m_ParserFunctions.end())
{
auto func = it->second;
(this->*func)(node);
}
else
{
throw ParseException(boost::str(
boost::format("Unsupported operation %1% for node '%2%' %3%")
% operation
% node.name()
% CHECK_LOCATION().AsString()));
}
}
}
//Making the connections between outputs and inputs of each layers
for (const auto& tensorCon : m_TensorConnections)
{
if (tensorCon.second.outputSlot != nullptr)
{
for (size_t inputSlotIdx = 0; inputSlotIdx < tensorCon.second.inputSlots.size(); ++inputSlotIdx)
{
tensorCon.second.outputSlot->Connect(*(tensorCon.second.inputSlots[inputSlotIdx]));
}
}
}
}
void OnnxParser::SetupInfo(const google::protobuf::RepeatedPtrField<onnx::ValueInfoProto >* list)
{
for (auto tensor : *list)
{
m_TensorsInfo[tensor.name()] = OnnxTensor();
m_TensorsInfo[tensor.name()].m_info = std::make_unique<TensorInfo>(ToTensorInfo(tensor));
m_TensorsInfo[tensor.name()].m_dtype =
static_cast<onnx::TensorProto::DataType>(tensor.type().tensor_type().elem_type());
}
}
void OnnxParser::DetectFullyConnected()
{
m_OutputsFusedAndUsed = std::vector<UsageSummary> (static_cast<size_t>(m_Graph->node_size()), UsageSummary());
auto matmulAndConstant = [&](const std::string& constInput,
const std::string& matmulInput,
int& nodeIndex)
{
auto matmulIt = m_OutputsMap.find(matmulInput);
if(matmulIt != m_OutputsMap.end() && matmulIt->second.first->op_type() == "MatMul"
&& m_TensorsInfo[constInput].isConstant())
{
nodeIndex = matmulIt->second.second;
return true;
}
return false;
};
for(int nodeIndex = 0; nodeIndex < m_Graph->node_size(); nodeIndex++)
{
const onnx::NodeProto* node = &m_Graph->node(nodeIndex);
for (const std::string& output : node->output())
{
m_OutputsMap[output] = std::make_pair(node, nodeIndex);
}
for (const std::string& input : node->input()) //count how many time a node is used as input
{
auto matmulIt = m_OutputsMap.find(input);
if(matmulIt != m_OutputsMap.end()){
++m_OutputsFusedAndUsed[static_cast<size_t>(matmulIt->second.second)].inputForNodes; //node used
}
}
if (node->op_type() == "Add")
{
int matmulIndex = 0;
if (matmulAndConstant(node->input(0), node->input(1), matmulIndex) ||
matmulAndConstant(node->input(1), node->input(0), matmulIndex))
{
//matmul and add were fused
m_OutputsFusedAndUsed[static_cast<size_t>(matmulIndex)].fusedWithNodes
.push_back(static_cast<size_t>(nodeIndex));
m_OutputsFusedAndUsed[static_cast<size_t>(nodeIndex)].fusedWithNodes
.push_back(static_cast<size_t>(matmulIndex));
}
}
}
for (auto output: m_Graph->output()) { //Add usages as output of the graph in count of usages
auto matmulIt = m_OutputsMap.find(output.name());
if(matmulIt != m_OutputsMap.end()){
++m_OutputsFusedAndUsed[static_cast<size_t>(matmulIt->second.second)].inputForNodes;
}
}
}
template<typename Location>
void OnnxParser::GetInputAndParam(const onnx::NodeProto& node,
std::string* inputName,
std::string* constName,
const Location& location)
{
int cstIndex;
if (m_TensorsInfo[node.input(0)].isConstant())
{
cstIndex = 0;
}
else if (m_TensorsInfo[node.input(1)].isConstant())
{
cstIndex = 1;
}
else
{
throw ParseException(boost::str(
boost::format("One of the input tensors ('%1%' or '%2%') should be constant in node '%3%' %4%")
% node.input(0)
% node.input(1)
% node.name()
% location.AsString()));
}
if(constName)
{
*constName = node.input(cstIndex);
}
if(inputName)
{
*inputName = node.input(!cstIndex);
}
}
template<typename Location>
void OnnxParser::To1DTensor(const std::string& name, const Location& location)
{
TensorShape shape = m_TensorsInfo[name].m_info->GetShape();
std::vector<uint32_t> newShape;
for(uint i = 0; i < shape.GetNumDimensions() - 1; ++i)
{
if(shape[i] != 1)
{
throw ParseException(boost::str(
boost::format("Only tensors with shape [1, ..., 1, X] can be converted to 1D and %1% %2%")
% TensorInfoAsString(*m_TensorsInfo[name].m_info, name, m_TensorsInfo[name].m_dtype)
% location.AsString()));
}
}
newShape.push_back(shape[shape.GetNumDimensions() - 1]);
m_TensorsInfo[name].m_info->SetShape(TensorShape(static_cast<unsigned int>(newShape.size()), newShape.data()));
}
void OnnxParser::AddFullyConnected(const onnx::NodeProto& matmulNode, const onnx::NodeProto* addNode)
{
// find matmul inputs
std::string weightName;
std::string inputName;
CHECK_VALID_SIZE(static_cast<size_t>(matmulNode.input_size()), 2);
CHECK_VALID_SIZE(static_cast<size_t>(matmulNode.output_size()), 1);
VALID_INPUTS(matmulNode, STR_LIST(onnx::TensorProto::FLOAT));
GetInputAndParam(matmulNode, &inputName, &weightName, CHECK_LOCATION());
FullyConnectedDescriptor desc;
desc.m_BiasEnabled = addNode != nullptr;
IConnectableLayer* layer = nullptr;
if(desc.m_BiasEnabled)
{
// find bias const
std::string biasName;
CHECK_VALID_SIZE(static_cast<size_t>(addNode->input_size()), 2);
CHECK_VALID_SIZE(static_cast<size_t>(addNode->output_size()), 1);
VALID_INPUTS(*addNode, STR_LIST(onnx::TensorProto::FLOAT));
GetInputAndParam(*addNode, nullptr, &biasName, CHECK_LOCATION());
//Output shape is [1, weights[1]] and 1d vec in ONNX can be [1,X] so we convert biases to "armnn" 1D
To1DTensor(biasName, CHECK_LOCATION());
TensorInfo weightInfo = *m_TensorsInfo[weightName].m_info;
TensorInfo biasInfo = *m_TensorsInfo[biasName].m_info;
if (weightInfo.GetShape()[1] != biasInfo.GetShape()[0])
{
throw ParseException(boost::str(
boost::format("Shape of weights '%1%' and bias of following Add node '%2%' do not match : %3%"
" and %4% ( /!\\ bias should be a 1D tensor) %5%")
% weightName
% addNode->name()
% TensorInfoAsString(*m_TensorsInfo[weightName].m_info,
weightName,
m_TensorsInfo[weightName].m_dtype)
% TensorInfoAsString(*m_TensorsInfo[biasName].m_info, biasName,
m_TensorsInfo[biasName].m_dtype )
% CHECK_LOCATION().AsString()));
}
layer = m_Network->AddFullyConnectedLayer(desc,
CreateConstTensor(weightName).first,
Optional<ConstTensor>(CreateConstTensor(biasName).first),
matmulNode.name().c_str());
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({addNode->output(0)}, layer,
{m_TensorsInfo[inputName].m_info->GetShape(),
m_TensorsInfo[weightName].m_info->GetShape()});
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
RegisterInputSlots(layer, {inputName});
RegisterOutputSlots(layer, {addNode->output(0)});
}
else
{
layer = m_Network->AddFullyConnectedLayer(desc,
CreateConstTensor(weightName).first,
EmptyOptional(),
matmulNode.name().c_str());
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({matmulNode.output(0)}, layer,
{m_TensorsInfo[inputName].m_info->GetShape(),
m_TensorsInfo[weightName].m_info->GetShape()});
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
RegisterInputSlots(layer, {inputName});
RegisterOutputSlots(layer, {matmulNode.output(0)});
}
}
void OnnxParser::CreateConstantLayer(const std::string& tensorName, const std::string& layerName)
{
auto armnnTensor = CreateConstTensor(tensorName);
IConnectableLayer* layer = m_Network->AddConstantLayer(armnnTensor.first, layerName.c_str());
layer->GetOutputSlot(0).SetTensorInfo(armnnTensor.first.GetInfo());
RegisterOutputSlots(layer, {tensorName});
}
void OnnxParser::ParseConstant(const onnx::NodeProto& node)
{
CHECK_VALID_SIZE(static_cast<size_t>(node.attribute_size()), 1);
if (!node.attribute(0).has_t())
{
throw ParseException(boost::str(
boost::format("Value not found for Constant node '%1%' %2%")
% node.name()
% CHECK_LOCATION().AsString()));
}
const onnx::TensorProto& onnxTensor = node.attribute(0).t();
//ONNX can have Float16 and double constant nodes but ArmNN only supports float32
CHECK_VALID_DATATYPE(node.name(), onnxTensor.name(),
static_cast<onnx::TensorProto::DataType>(onnxTensor.data_type()), onnx::TensorProto::FLOAT);
//Register this as a m_ConstParam so we know we can use it as a constant param in future layers.
m_TensorsInfo[node.output(0)].m_tensor = std::make_unique<const onnx::TensorProto>(onnxTensor);
CreateConstantLayer(node.output(0), node.name());
}
void OnnxParser::ParseMaxPool(const onnx::NodeProto& node)
{
Pooling2dDescriptor desc;
desc.m_PoolType = PoolingAlgorithm::Max;
desc.m_PaddingMethod = PaddingMethod::Exclude;
AddPoolingLayer(node, desc);
}
void OnnxParser::ParseGlobalAveragePool(const onnx::NodeProto& node)
{
Pooling2dDescriptor desc = Pooling2dDescriptor();
desc.m_PoolType = PoolingAlgorithm::Average;
//kernel size is the same as input
TensorShape inputShape = m_TensorsInfo[node.input(0)].m_info->GetShape();
desc.m_PoolWidth = inputShape[3];
desc.m_PoolHeight = inputShape[2];
IConnectableLayer* layer = m_Network->AddPooling2dLayer(desc, node.name().c_str());
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({node.output(0)}, layer, {inputShape});
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
// register the input connection slots for the layer, connections are made after all layers have been created
// only the tensors for the inputs are relevant, exclude the const tensors
RegisterInputSlots(layer, {node.input(0)});
// register the output connection slots for the layer, connections are made after all layers have been created
RegisterOutputSlots(layer, {node.output(0)});
}
void OnnxParser::ParseAveragePool(const onnx::NodeProto& node)
{
Pooling2dDescriptor desc;
desc.m_PoolType = PoolingAlgorithm::Average;
uint32_t count_include_pad = 0;
count_include_pad = ReadOptionalNodeUint32Attribute(node, "count_include_pad");
if(count_include_pad) {
desc.m_PaddingMethod = PaddingMethod::IgnoreValue;
}
AddPoolingLayer(node, desc);
}
void OnnxParser::AddPoolingLayer(const onnx::NodeProto& node, Pooling2dDescriptor& desc)
{
CHECK_VALID_SIZE(static_cast<size_t>(node.input_size()), 1);
CHECK_VALID_SIZE(static_cast<size_t>(node.output_size()), 1);
VALID_INPUTS(node, STR_LIST(onnx::TensorProto::FLOAT));
std::vector<uint32_t> kernel_shape = ReadMandatoryNodeUint32ListAttribute(node, "kernel_shape"); //size of pool win
std::vector<uint32_t> strides = ReadOptionalNodeUint32ListAttribute(node, "strides");
std::vector<uint32_t> pads = ReadOptionalNodeUint32ListAttribute(node, "pads");
desc.m_OutputShapeRounding = OutputShapeRounding::Floor;
desc.m_PoolWidth = kernel_shape[1];
desc.m_PoolHeight = kernel_shape[0];
if(strides.empty())
{
desc.m_StrideX = 1;
desc.m_StrideY = 1;
}
else
{
desc.m_StrideX = strides[1];
desc.m_StrideY = strides[0];
}
//Check new padding version first
if(pads.empty())
{
//Check deprecated version
std::string paddingString = ReadOptionalNodeStringAttribute(node, "auto_pad");
if(paddingString != "VALID" && paddingString != "" && paddingString != "NOTSET")
{
bool isUpper;
if( paddingString == "SAME_LOWER")
{
isUpper = false;
}
else if (paddingString == "SAME_UPPER")
{
isUpper = true;
}
else
{
throw ParseException(boost::str(
boost::format("Invalid auto_pad attribute for node %1%. "
"Only SAME_UPPER, SAME_LOWER or VALID supported and found %2% %3%")
% node.name()
% paddingString
% CHECK_LOCATION().AsString()));
}
auto inputInfo = *m_TensorsInfo[node.input(0)].m_info;
uint32_t inputHeight = inputInfo.GetShape()[2];
uint32_t inputWidth = inputInfo.GetShape()[3];
CalcPadding(inputHeight, desc.m_PoolHeight, desc.m_StrideY, &desc.m_PadTop, &desc.m_PadBottom, isUpper);
CalcPadding(inputWidth, desc.m_PoolWidth, desc.m_StrideX, &desc.m_PadLeft, &desc.m_PadRight, isUpper);
}
}
else
{
desc.m_PadTop = pads[0];
desc.m_PadLeft = pads[1];
desc.m_PadBottom = pads[2];
desc.m_PadRight = pads[3];
}
IConnectableLayer* layer = m_Network->AddPooling2dLayer(desc, node.name().c_str());
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({node.output(0)}, layer, {m_TensorsInfo[node.input(0)].m_info->GetShape()});
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
// register the input connection slots for the layer, connections are made after all layers have been created
// only the tensors for the inputs are relevant, exclude the const tensors
RegisterInputSlots(layer, {node.input(0)});
// register the output connection slots for the layer, connections are made after all layers have been created
RegisterOutputSlots(layer, {node.output(0)});
}
void OnnxParser::CreateReshapeLayer(const std::string& inputName,
const std::string& outputName,
const std::string& layerName)
{
const TensorInfo outputTensorInfo = *m_TensorsInfo[outputName].m_info;
ReshapeDescriptor reshapeDesc;
reshapeDesc.m_TargetShape = outputTensorInfo.GetShape();
IConnectableLayer* layer = m_Network->AddReshapeLayer(reshapeDesc, layerName.c_str());
BOOST_ASSERT(layer != nullptr);
layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo);
// register the input connection slots for the layer, connections are made after all layers have been created
// only the tensors for the inputs are relevant, exclude the const tensors
RegisterInputSlots(layer, {inputName});
// register the output connection slots for the layer, connections are made after all layers have been created
RegisterOutputSlots(layer, {outputName});
}
void OnnxParser::ParseReshape(const onnx::NodeProto& node)
{
CHECK_VALID_SIZE(static_cast<size_t>(node.input_size()), 2);
CHECK_VALID_SIZE(static_cast<size_t>(node.output_size()), 1);
CHECK_VALID_DATATYPE(node.name(), node.input(0),
m_TensorsInfo[node.input(0)].m_dtype,
onnx::TensorProto::FLOAT); //input
CHECK_VALID_DATATYPE(node.name(), node.input(1),
m_TensorsInfo[node.input(1)].m_dtype,
onnx::TensorProto::INT64); //shape
if(!m_TensorsInfo[node.input(1)].isConstant())
{
throw ParseException(boost::str(
boost::format("Shape '%1%' should be constant in Reshape layer '%2%' %3%")
% node.input(1)
% node.name()
% CHECK_LOCATION().AsString()));
}
if(m_TensorsInfo[node.input(0)].isConstant())
{
//make a new cst tensor -> move the data to the output tensor (the shape is already good in the output tensor)
if(m_TensorsInfo.count(node.output(0)) == 0)
{
m_TensorsInfo[node.output(0)] = OnnxTensor();
}
m_TensorsInfo[node.output(0)].m_tensor =
std::make_unique<onnx::TensorProto>(*m_TensorsInfo[node.input(0)].m_tensor);
}
else
{
TensorShape inputShape = m_TensorsInfo[node.input(0)].m_info->GetShape();
if(m_TensorsInfo.count(node.output(0)) == 0 || m_TensorsInfo[node.output(0)].m_info == nullptr)
{
auto outInfo = ComputeReshapeInfo(*m_TensorsInfo[node.input(1)].m_tensor, inputShape, node.output(0));
m_TensorsInfo[node.output(0)].m_info = std::make_unique<TensorInfo>(outInfo);
}
CreateReshapeLayer(node.input(0), node.output(0), node.name());
}
}
void OnnxParser::ParseRelu(const onnx::NodeProto& node)
{
CHECK_VALID_SIZE(static_cast<size_t>(node.input_size()), 1);
CHECK_VALID_SIZE(static_cast<size_t>(node.output_size()), 1);
VALID_INPUTS(node, STR_LIST(onnx::TensorProto::FLOAT));
ActivationDescriptor desc;
desc.m_Function = ActivationFunction::ReLu;
IConnectableLayer* const layer = m_Network->AddActivationLayer(desc, node.name().c_str());
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({ node.output(0)}, layer, {m_TensorsInfo[node.input(0)].m_info->GetShape()});
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
// register the input connection slots for the layer, connections are made after all layers have been created
// only the tensors for the inputs are relevant, exclude the const tensors
RegisterInputSlots(layer, {node.input(0)});
// register the output connection slots for the layer, connections are made after all layers have been created
RegisterOutputSlots(layer, {node.output(0)});
}
void OnnxParser::AddConvLayerWithDepthwiseConv(const onnx::NodeProto& node, const Convolution2dDescriptor& convDesc)
{
BOOST_ASSERT(node.op_type() == "Conv");
DepthwiseConvolution2dDescriptor desc;
desc.m_PadLeft = convDesc.m_PadLeft;
desc.m_PadRight = convDesc.m_PadRight;
desc.m_PadTop = convDesc.m_PadTop;
desc.m_PadBottom = convDesc.m_PadBottom;
desc.m_StrideX = convDesc.m_StrideX;
desc.m_StrideY = convDesc.m_StrideY;
desc.m_BiasEnabled = convDesc.m_BiasEnabled;
armnn::IConnectableLayer* layer;
auto weightTensor = CreateConstTensor(node.input(1));
TensorShape& weightShape = weightTensor.first.GetShape();
weightShape[1] = weightShape[0];
weightShape[0] = 1;
m_TensorsInfo[node.input(1)].m_info->SetShape(weightShape);
if (node.input_size() == 3)
{
if(!m_TensorsInfo[node.input(2)].isConstant())
{
throw ParseException(boost::str(
boost::format("Bias '%1%' should be constant in Conv layer '%2%' %3%")
% node.input(2)
% node.name()
% CHECK_LOCATION().AsString()));
}
desc.m_BiasEnabled = true;
auto biasTensor = CreateConstTensor(node.input(2));
layer = m_Network->AddDepthwiseConvolution2dLayer(desc,
weightTensor.first,
Optional<ConstTensor>(biasTensor.first),
node.name().c_str());
}
else
{
layer = m_Network->AddDepthwiseConvolution2dLayer(desc,
weightTensor.first,
EmptyOptional(),
node.name().c_str());
}
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({ node.output(0) }, layer,
{ m_TensorsInfo[node.input(0)].m_info->GetShape(),
m_TensorsInfo[node.input(1)].m_info->GetShape() });
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
// register the input connection slots for the layer, connections are made after all layers have been created
// only the tensors for the inputs are relevant, exclude the const tensors
RegisterInputSlots(layer, {node.input(0)});
// register the output connection slots for the layer, connections are made after all layers have been created
RegisterOutputSlots(layer, {node.output(0)});
}
void OnnxParser::ParseConv(const onnx::NodeProto& node)
{
CHECK_VALID_SIZE(static_cast<size_t>(node.input_size()), 2, 3); //input, weight, (bias)
CHECK_VALID_SIZE(static_cast<size_t>(node.output_size()), 1);
VALID_INPUTS(node, STR_LIST(onnx::TensorProto::FLOAT));
if(m_TensorsInfo[node.input(0)].m_info->GetNumDimensions() != 4)
{
throw ParseException(boost::str(
boost::format("ArmNN only supports 2D convolution and Conv layer '%1%' input %2% %3%")
% node.name()
% TensorInfoAsString(*m_TensorsInfo[node.input(0)].m_info, node.input(0),
m_TensorsInfo[node.input(0)].m_dtype)
% CHECK_LOCATION().AsString()));
}
if(!m_TensorsInfo[node.input(1)].isConstant())
{
throw ParseException(boost::str(
boost::format("Weights '%1%' should be constant in Conv layer '%2%' %3%")
% node.input(1)
% node.name()
% CHECK_LOCATION().AsString()));
}
auto inputInfo = *m_TensorsInfo[node.input(0)].m_info;
std::vector<uint32_t> dilations = ReadOptionalNodeUint32ListAttribute(node, "dilations");
if (!dilations.empty())
{
std::stringstream ss;
ss << "[ ";
for (auto dilation : dilations)
{
ss << dilation << ", ";
if (dilation != 1u)
{
ss << "... ]";
throw ParseException(boost::str(
boost::format("ArmNN only supports Convolution layers with dilations [1,1], and node '%1%' "
"has dilatation %2% %3%")
% node.name()
% ss.str()
% CHECK_LOCATION().AsString()));
}
}
}
Convolution2dDescriptor desc;
desc.m_BiasEnabled = false;
std::vector<uint32_t> strides = ReadOptionalNodeUint32ListAttribute(node, "strides");
if(strides.empty())
{
desc.m_StrideX = 1;
desc.m_StrideY = 1;
}
else
{
desc.m_StrideX = strides[1];
desc.m_StrideY = strides[0];
}
std::vector<uint32_t> pads = ReadOptionalNodeUint32ListAttribute(node, "pads");
//Check new padding version first
if(pads.empty())
{
//Check deprecated version
std::string paddingString = ReadOptionalNodeStringAttribute(node, "auto_pad");
if(paddingString != "VALID" && paddingString != "" && paddingString != "NOTSET")
{
bool isUpper;
if( paddingString == "SAME_LOWER")
{
isUpper = false;
}
else if (paddingString == "SAME_UPPER")
{
isUpper = true;
}
else
{
throw ParseException(boost::str(
boost::format("Invalid auto_pad attribute for node %1%. "
"Only SAME_UPPER, SAME_LOWER or VALID supported and found %2% %3%")
% node.name()
% paddingString
% CHECK_LOCATION().AsString()));
}
uint32_t inputHeight = inputInfo.GetShape()[2];
uint32_t inputWidth = inputInfo.GetShape()[3];
uint32_t weightHeight;
uint32_t weightWidth;
std::vector<uint32_t> kernel_shape = ReadOptionalNodeUint32ListAttribute(node, "kernel_shape");
if (kernel_shape.empty())
{
const TensorInfo weightTensorInfo = *m_TensorsInfo[node.input(1)].m_info;
weightHeight = weightTensorInfo.GetShape()[2];
weightWidth = weightTensorInfo.GetShape()[3];
}
else
{
weightHeight = kernel_shape[0];
weightWidth = kernel_shape[1];
}
CalcPadding(inputHeight, weightHeight, desc.m_StrideY, &desc.m_PadTop, &desc.m_PadBottom, isUpper);
CalcPadding(inputWidth, weightWidth, desc.m_StrideX, &desc.m_PadLeft, &desc.m_PadRight, isUpper);
}
}
else
{
desc.m_PadTop = pads[0];
desc.m_PadLeft = pads[1];
desc.m_PadBottom = pads[2];
desc.m_PadRight = pads[3];
}
uint32_t group = ReadOptionalNodeUint32Attribute(node, "group", 1);
if(group > 1)
{
if (group > inputInfo.GetShape()[1])
{
throw ParseException(
boost::str(
boost::format(
"Error parsing Convolution node: %1%. "
"The 'group'=%2% parameter cannot be larger than the "
"channel of the input shape=%3% (in NCHW format). %4%") %
node.name() %
group %
inputInfo.GetShape()[1] %
CHECK_LOCATION().AsString()));
}
else if (group == inputInfo.GetShape()[1])
{
// we use a depthwise convolution here, because the number of groups equals to the
// input channels
AddConvLayerWithDepthwiseConv(node, desc);
return;
}
else
{
// TODO: split the input by channels into channels/groups separate convolutions
// and concatenate the results afterwards
throw ParseException(boost::str(
boost::format("Error parsing Convolution node: %1%. "
"The 'group'=%2% parameter should be 1 or be equal to the "
"channel of the input shape=%3% (in NCHW format). %4%") %
node.name() %
group %
inputInfo.GetShape()[1] %
CHECK_LOCATION().AsString()));
}
}
armnn::IConnectableLayer* layer;
auto weightTensor = CreateConstTensor(node.input(1));
if (node.input_size() == 3)
{
if(!m_TensorsInfo[node.input(2)].isConstant())
{
throw ParseException(boost::str(
boost::format("Bias '%1%' should be constant in Conv layer '%2%' %3%")
% node.input(2)
% node.name()
% CHECK_LOCATION().AsString()));
}
desc.m_BiasEnabled = true;
auto biasTensor = CreateConstTensor(node.input(2));
layer = m_Network->AddConvolution2dLayer(desc,
weightTensor.first,
Optional<ConstTensor>(biasTensor.first),
node.name().c_str());
}
else
{
layer = m_Network->AddConvolution2dLayer(desc,
weightTensor.first,
EmptyOptional(),
node.name().c_str());
}
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({ node.output(0) }, layer,
{ m_TensorsInfo[node.input(0)].m_info->GetShape(),
m_TensorsInfo[node.input(1)].m_info->GetShape() });
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
// register the input connection slots for the layer, connections are made after all layers have been created
// only the tensors for the inputs are relevant, exclude the const tensors
RegisterInputSlots(layer, {node.input(0)});
// register the output connection slots for the layer, connections are made after all layers have been created
RegisterOutputSlots(layer, {node.output(0)});
}
void OnnxParser::PrependForBroadcast(const std::string& outputName,
const std::string& input0,
const std::string& input1)
{
//input0 should be reshaped to have same number of dim as input1
TensorInfo outputTensorInfo = TensorInfo(*m_TensorsInfo[input0].m_info);
TensorShape input0Shape = m_TensorsInfo[input0].m_info->GetShape();
TensorShape input1Shape = m_TensorsInfo[input1].m_info->GetShape();
uint32_t diff = input1Shape.GetNumDimensions() - input0Shape.GetNumDimensions();
std::vector<uint32_t> newShape;
while(diff > 0)
{
newShape.push_back(1);
diff--;
}
for (uint dim = 0; dim < input0Shape.GetNumDimensions(); ++dim)
{
newShape.push_back(input0Shape[dim]);
}
outputTensorInfo.SetShape(TensorShape(static_cast<unsigned int>(newShape.size()), newShape.data()));
//add the new tensor to m_TensorsInfo
m_TensorsInfo[outputName] = OnnxTensor();
m_TensorsInfo[outputName].m_info = std::make_unique<TensorInfo>(outputTensorInfo);
//add reshape layer if the parent was not constant...
if( ! m_TensorsInfo[input0].isConstant())
{
CreateReshapeLayer(input0, outputName, boost::str(boost::format("Add:reshapeOf%1%") % input0));
}
else //make it constant and it will be create in Add
{
m_TensorsInfo[outputName].m_tensor = std::make_unique<onnx::TensorProto>(*m_TensorsInfo[input0].m_tensor);
}
}
std::pair<std::string, std::string> OnnxParser::AddPrepareBroadcast(const std::string& input0,
const std::string& input1)
{
std::pair<std::string, std::string> inputs = std::make_pair(input0, input1);
TensorShape input0Shape = m_TensorsInfo[input0].m_info->GetShape();
TensorShape input1Shape = m_TensorsInfo[input1].m_info->GetShape();
if(input1Shape.GetNumDimensions() < input0Shape.GetNumDimensions())
{
auto outputName = boost::str(boost::format("reshape_output_%1%") % input1);
PrependForBroadcast(outputName, input1, input0);
inputs.second = outputName;
}
else if(input0Shape.GetNumDimensions() < input1Shape.GetNumDimensions())
{
auto outputName = boost::str(boost::format("reshape_output_%1%") % input0);
PrependForBroadcast(outputName, input0, input1);
inputs.first = outputName;
}
return inputs;
}
void OnnxParser::ParseAdd(const onnx::NodeProto& node)
{
CHECK_VALID_SIZE(static_cast<size_t>(node.input_size()), 2);
CHECK_VALID_SIZE(static_cast<size_t>(node.output_size()), 1);
VALID_INPUTS(node, STR_LIST(onnx::TensorProto::FLOAT));
// TODO: unify broadcast validation code across layers
// tracked by: IVGCVSW-1576
// Checking broadcast compatibility : only scalar or 1D tensors
auto inputs = AddPrepareBroadcast(node.input(0), node.input(1));
auto input0 = *m_TensorsInfo[inputs.first].m_info;
auto input1 = *m_TensorsInfo[inputs.second].m_info;
BOOST_ASSERT(input0.GetNumDimensions() == input1.GetNumDimensions());
unsigned int numDims = input0.GetNumDimensions();
for (unsigned int i = 0; i < numDims; i++)
{
unsigned int dim0 = input0.GetShape()[i];
unsigned int dim1 = input1.GetShape()[i];
if (dim0 != dim1 && dim0 != 1 && dim1 != 1)
{
throw ParseException(boost::str(
boost::format("Broadcast is only supported for scalar or 1D tensors in Add node '%1%'. "
"Input dimensions should either match or one should be of size 1 and here, "
"%2% and %3% %4%")
% node.name()
% TensorInfoAsString(*m_TensorsInfo[inputs.first].m_info, inputs.first,
m_TensorsInfo[inputs.first].m_dtype)
% TensorInfoAsString(*m_TensorsInfo[inputs.second].m_info, inputs.second,
m_TensorsInfo[inputs.second].m_dtype)
% CHECK_LOCATION().AsString()));
}
}
IConnectableLayer* layer = m_Network->AddAdditionLayer(node.name().c_str());
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({ node.output(0) }, layer,
{ m_TensorsInfo[inputs.first].m_info->GetShape(),
m_TensorsInfo[inputs.second].m_info->GetShape() });
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
// register the input connection -> for constant inputs, we need to make a newDim constant layer
if(m_TensorsInfo[inputs.first].isConstant()) {
CreateConstantLayer(inputs.first, boost::str(boost::format("Add:constant_of_%1%") % node.input(0)));
}
if(m_TensorsInfo[inputs.second].isConstant()) {
CreateConstantLayer(inputs.second, boost::str(boost::format("Add:constant_of_%1%") % node.input(1)));
}
RegisterInputSlots(layer, {inputs.first, inputs.second});
// register the output connection
RegisterOutputSlots(layer, {node.output(0)});
}
void OnnxParser::ParseBatchNormalization(const onnx::NodeProto& node)
{
//IGNORE momentum parameter and spatial parameters
CHECK_VALID_SIZE(static_cast<size_t>(node.input_size()), 5);
CHECK_VALID_SIZE(static_cast<size_t>(node.output_size()), 1);
VALID_INPUTS(node, STR_LIST(onnx::TensorProto::FLOAT));
for(int ind = 1; ind < node.input_size(); ++ind)
{
auto tensor = node.input(ind);
if(! m_TensorsInfo[tensor].isConstant())
{
throw ParseException(boost::str(
boost::format("Input tensor '%1%' should be constant in BatchNormalization node '%2%' %3%")
% tensor
% node.name()
% CHECK_LOCATION().AsString()));
}
}
float epsilon = ReadOptionalNodeFloatAttribute(node, "epsilon", 1e-5f);
BatchNormalizationDescriptor desc;
desc.m_Eps = epsilon;
auto scaleTensor = CreateConstTensor(node.input(1));
auto biasTensor = CreateConstTensor(node.input(2));
auto meanTensor = CreateConstTensor(node.input(3));
auto varTensor = CreateConstTensor(node.input(4));
IConnectableLayer* layer = m_Network->AddBatchNormalizationLayer(desc,
meanTensor.first,
varTensor.first,
biasTensor.first,
scaleTensor.first,
node.name().c_str());
BOOST_ASSERT(layer != nullptr);
auto outputInfo = ComputeOutputInfo({node.output(0)}, layer, {m_TensorsInfo[node.input(0)].m_info->GetShape()});
layer->GetOutputSlot(0).SetTensorInfo(outputInfo[0]);
RegisterInputSlots(layer, {node.input(0)}); //don't register constant inputs
// register the output connection
RegisterOutputSlots(layer, {node.output(0)});
}
void OnnxParser::SetupInputLayers()
{
//Find user input and add their layers
for(int inputIndex = 0; inputIndex < m_Graph->input_size(); ++inputIndex)
{
auto input = m_Graph->input(inputIndex);
if (! m_TensorsInfo[input.name()].isConstant())
{
IConnectableLayer* layer =
m_Network->AddInputLayer(static_cast<armnn::LayerBindingId>(inputIndex), input.name().c_str());
auto tensorInfo = ToTensorInfo(input);
layer->GetOutputSlot(0).SetTensorInfo(tensorInfo);
RegisterOutputSlots(layer,{ input.name() });
}
}
}
void OnnxParser::SetupOutputLayers()
{
if(m_Graph->output_size() == 0)
{
throw ParseException(boost::str(boost::format("The given model does not have any outputs %1%")
% CHECK_LOCATION().AsString()));
}
for(int outputIndex = 0; outputIndex < m_Graph->output_size(); ++outputIndex)
{
IConnectableLayer* layer =
m_Network->AddOutputLayer(static_cast<armnn::LayerBindingId>(outputIndex),
m_Graph->output(outputIndex).name().c_str());
RegisterInputSlots(layer, { m_Graph->output(outputIndex).name() });
}
}
void OnnxParser::RegisterInputSlots(IConnectableLayer* layer, const std::vector<std::string>& tensorIds)
{
BOOST_ASSERT(layer != nullptr);
if (tensorIds.size() != layer->GetNumInputSlots())
{
throw ParseException(
boost::str(boost::format("The number of tensor inputs (%1%) does not match the number expected (%2%) %3%") %
tensorIds.size() %
layer->GetNumInputSlots() %
CHECK_LOCATION().AsString()));
}
for (unsigned int slotIndex = 0; slotIndex < layer->GetNumInputSlots(); ++slotIndex)
{
std::string tensorId = tensorIds[slotIndex];
armnn::IInputSlot* slot = &(layer->GetInputSlot(slotIndex));
auto it = m_TensorConnections.find(tensorId);
if (it == m_TensorConnections.end())
{
//First time seing this tensor, we need to map it
m_TensorConnections[tensorId] = TensorSlots();
}
m_TensorConnections[tensorId].inputSlots.push_back(slot);
}
}
void OnnxParser::RegisterOutputSlots(IConnectableLayer* layer, const std::vector<std::string>& tensorIds)
{
BOOST_ASSERT(layer != nullptr);
if (tensorIds.size() != layer->GetNumOutputSlots())
{
throw ParseException(
boost::str(boost::format("The number of tensor outputs (%1%) does not match the number expected (%2%) %3% ")
% tensorIds.size()
% layer->GetNumOutputSlots()
% CHECK_LOCATION().AsString()));
}
for (unsigned int slotIndex = 0; slotIndex < layer->GetNumOutputSlots(); ++slotIndex)
{
std::string tensorId = tensorIds[slotIndex];
armnn::IOutputSlot* slot = &(layer->GetOutputSlot(slotIndex));
auto it = m_TensorConnections.find(tensorId);
if (it == m_TensorConnections.end())
{
//First time seing this tensor, we need to map it
m_TensorConnections[tensorId] = TensorSlots();
}
TensorSlots & tensorSlots = m_TensorConnections[tensorId];
// assuming there is only one producer for that tensor
if (tensorSlots.outputSlot != nullptr)
{
throw ParseException(boost::str(
boost::format("Another layer has already registered itself as the producer of "
"tensor:%2% %3%") %
tensorId %
CHECK_LOCATION().AsString()));
}
tensorSlots.outputSlot = slot;
}
}
BindingPointInfo OnnxParser::GetNetworkInputBindingInfo(const std::string& name) const
{
for(int i = 0; i < m_Graph->input_size(); ++i)
{
auto input = m_Graph->input(i);
if(input.name() == name)
{
return std::make_pair(static_cast<armnn::LayerBindingId>(i), ToTensorInfo(input));
}
}
throw InvalidArgumentException(boost::str(boost::format("The input layer '%1%' does not exist %2%")
% name % CHECK_LOCATION().AsString()));
}
BindingPointInfo OnnxParser::GetNetworkOutputBindingInfo(const std::string& name) const
{
for(int i = 0; i < m_Graph->output_size(); ++i)
{
auto output = m_Graph->output(i);
if(output.name() == name)
{
return std::make_pair(static_cast<armnn::LayerBindingId>(i), ToTensorInfo(output));
}
}
throw InvalidArgumentException(boost::str(boost::format("The output layer '%1%' does not exist %2%")
% name % CHECK_LOCATION().AsString()));
}
std::vector<std::string> OnnxParser::GetInputs(ModelPtr& model)
{
if(model == nullptr) {
throw InvalidArgumentException(boost::str(
boost::format("The given model cannot be null %1%")
% CHECK_LOCATION().AsString()));
}
std::vector<std::string> inputNames;
std::map<std::string, bool> isConstant;
for(auto tensor : model->graph().initializer())
{
isConstant[tensor.name()] = true;
}
for(auto input : model->graph().input())
{
auto it = isConstant.find(input.name());
if(it == isConstant.end())
{
inputNames.push_back(input.name());
}
}
return inputNames;
}
std::vector<std::string> OnnxParser::GetOutputs(ModelPtr& model)
{
if(model == nullptr) {
throw InvalidArgumentException(boost::str(
boost::format("The given model cannot be null %1%")
% CHECK_LOCATION().AsString()));
}
std::vector<std::string> outputNames;
for(auto output : model->graph().output())
{
outputNames.push_back(output.name());
}
return outputNames;
}
} // namespace armnnOnnxParser