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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "HalPolicy.hpp"
#include <armnn/Optional.hpp>
#include "FullyConnected.hpp"
#include "OutputShapeUtils.hpp"
namespace armnn_driver
{
namespace hal_1_0
{
bool HalPolicy::ConvertOperation(const Operation& operation, const Model& model, ConversionData& data)
{
switch (operation.type)
{
case V1_0::OperationType::ADD:
return ConvertAdd(operation, model, data);
case V1_0::OperationType::AVERAGE_POOL_2D:
return ConvertAveragePool2d(operation, model, data);
case V1_0::OperationType::CONCATENATION:
return ConvertConcatenation(operation, model, data);
case V1_0::OperationType::CONV_2D:
return ValidateConv2dParameters(operation) &&
ConvertConv2d<hal_1_0::HalPolicy>(operation, model, data);
case V1_0::OperationType::DEPTHWISE_CONV_2D:
return ValidateDepthwiseConv2dParameters(operation) &&
ConvertDepthwiseConv2d<hal_1_0::HalPolicy>(operation, model, data);
case V1_0::OperationType::DEQUANTIZE:
return ConvertDequantize(operation, model, data);
case V1_0::OperationType::FLOOR:
return ConvertFloor(operation, model, data);
case V1_0::OperationType::FULLY_CONNECTED:
return ConvertFullyConnected(operation, model, data);
case V1_0::OperationType::LOCAL_RESPONSE_NORMALIZATION:
return ConvertLocalResponseNormalization(operation, model, data);
case V1_0::OperationType::LOGISTIC:
return ConvertLogistic(operation, model, data);
case V1_0::OperationType::LSTM:
return ConvertLstm(operation, model, data);
case V1_0::OperationType::L2_NORMALIZATION:
return ConvertL2Normalization(operation, model, data);
case V1_0::OperationType::L2_POOL_2D:
return ConvertL2Pool2d(operation, model, data);
case V1_0::OperationType::MAX_POOL_2D:
return ConvertMaxPool2d(operation, model, data);
case V1_0::OperationType::MUL:
return ConvertMul(operation, model, data);
case V1_0::OperationType::RELU:
return ConvertReLu(operation, model, data);
case V1_0::OperationType::RELU1:
return ConvertReLu1(operation, model, data);
case V1_0::OperationType::RELU6:
return ConvertReLu6(operation, model, data);
case V1_0::OperationType::SOFTMAX:
return ConvertSoftmax(operation, model, data);
case V1_0::OperationType::SPACE_TO_DEPTH:
return ConvertSpaceToDepth(operation, model, data);
case V1_0::OperationType::TANH:
return ConvertTanH(operation, model, data);
case V1_0::OperationType::RESHAPE:
return ConvertReshape(operation, model, data);
case V1_0::OperationType::RESIZE_BILINEAR:
return ConvertResizeBilinear(operation, model, data);
default:
return Fail("%s: Operation type %s not supported in ArmnnDriver",
__func__, toString(operation.type).c_str());
}
}
bool HalPolicy::ValidateConv2dParameters(const Operation &operation)
{
if (operation.inputs.size() != 10 && operation.inputs.size() != 7)
{
return Fail("%s: Unsupported number of operation inputs", __func__);
}
return true;
}
bool HalPolicy::ValidateDepthwiseConv2dParameters(const Operation &operation)
{
if (operation.inputs.size() != 11 && operation.inputs.size() != 8)
{
return Fail("%s: Unsupported number of operation inputs", __func__);
}
return true;
}
bool HalPolicy::ConvertAdd(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input0 = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
LayerInputHandle input1 = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 1, model, data);
if (!input0.IsValid() || !input1.IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
// The FuseActivation parameter is always the input index 2
// and it should be optional
ActivationFn activationFunction;
if (!GetOptionalInputActivation<hal_1_0::HalPolicy>(operation, 2, activationFunction, model, data))
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const Operand* outputOperand = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!outputOperand)
{
return false;
}
const armnn::TensorInfo outInfo = GetTensorInfoForOperand(*outputOperand);
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsAdditionSupported,
data.m_Backends,
isSupported,
input0.GetTensorInfo(),
input1.GetTensorInfo(),
outInfo);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* const startLayer = data.m_Network->AddAdditionLayer();
armnn::IConnectableLayer* const endLayer = ProcessActivation(outInfo, activationFunction, startLayer, data);
const armnn::TensorInfo& inputTensorInfo0 = input0.GetTensorInfo();
const armnn::TensorInfo& inputTensorInfo1 = input1.GetTensorInfo();
if (endLayer != nullptr)
{
BroadcastTensor(input0, input1, startLayer, *data.m_Network);
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *endLayer, model, data);
}
else
{
return Fail("%s: ProcessActivation failed", __func__);
}
}
bool HalPolicy::ConvertAveragePool2d(const Operation& operation, const Model& model, ConversionData& data)
{
return ConvertPooling2d<hal_1_0::HalPolicy>(operation, __func__, armnn::PoolingAlgorithm::Average, model, data);
}
bool HalPolicy::ConvertConcatenation(const Operation& operation, const Model& model, ConversionData& data)
{
// The first N (0..N-1) inputs are tensors. The Nth input is the concatenation axis.
if (operation.inputs.size() <= 1)
{
return Fail("%s: Operation has insufficient arguments", __func__);
}
// Get inputs and outputs
const std::size_t numInputTensors = operation.inputs.size() - 1;
int32_t concatDim;
if (!GetInputScalar<hal_1_0::HalPolicy>(operation, numInputTensors, OperandType::INT32, concatDim, model, data))
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const Operand* const outputOperand = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!outputOperand)
{
return Fail("%s: Operation has no outputs", __func__);
}
armnn::TensorInfo outputInfo = GetTensorInfoForOperand(*outputOperand);
armnn::TensorShape outputShape = outputInfo.GetShape();
//
// handle negative concat dims along the lines of tensorflow as described here:
// https://www.tensorflow.org/api_docs/python/tf/concat
// "negative axis refers to axis + rank(values)-th dimension"
//
if (concatDim < 0)
{
concatDim += outputShape.GetNumDimensions();
}
if (concatDim >= static_cast<int32_t>(outputShape.GetNumDimensions()) || concatDim < 0)
{
return Fail("%s: Operation has invalid concat axis: %d", __func__, concatDim);
}
std::vector<LayerInputHandle> inputHandles;
std::vector<armnn::TensorShape> inputShapes;
inputHandles.reserve(numInputTensors);
inputShapes.reserve(numInputTensors);
bool inputsHaveBeenReshaped = false;
unsigned int tensorDimensionsAdded = 0;
for (uint32_t i = 0; i < numInputTensors; ++i)
{
const Operand* const operand = GetInputOperand<hal_1_0::HalPolicy>(operation, i, model);
if (!operand)
{
return Fail("%s: Operation has invalid inputs", __func__);
}
armnn::TensorShape operandShape = GetTensorShapeForOperand(*operand);
LayerInputHandle operandInputHandle =
ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, i, model, data);
if (operandShape.GetNumDimensions() == 0)
{
return Fail("%s: Operands with rank 0 are not supported", __func__);
}
if (RequiresReshape(operandShape))
{
inputsHaveBeenReshaped = true;
armnn::TensorInfo reshapeInfo = operandInputHandle.GetTensorInfo();
// Expand the tensor to three dimensions
if (operandShape.GetNumDimensions() == 2)
{
reshapeInfo.SetShape(armnn::TensorShape({1, operandShape[0], operandShape[1]}));
tensorDimensionsAdded = 1;
}
else
{
reshapeInfo.SetShape(armnn::TensorShape({1, 1, operandShape[0]}));
tensorDimensionsAdded = 2;
}
armnn::IConnectableLayer& newReshape = AddReshapeLayer(
*data.m_Network,
operandInputHandle,
reshapeInfo
);
// Point to the reshape operation rather then the input operation
operandShape = reshapeInfo.GetShape();
operandInputHandle = LayerInputHandle(true, &newReshape.GetOutputSlot(0), reshapeInfo);
}
inputShapes.emplace_back(operandShape);
inputHandles.emplace_back(operandInputHandle);
if (!inputHandles.back().IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
}
BOOST_ASSERT(inputShapes.size() == inputHandles.size());
if (inputsHaveBeenReshaped)
{
// Adjust the concatenation dimension by the amount of dimensions added (if any)
concatDim += tensorDimensionsAdded;
// Add extra dimensions to the output shape to reflect the addition of the reshape layers
if (tensorDimensionsAdded == 1)
{
outputShape = armnn::TensorShape({1, outputShape[0], outputShape[1]});
}
else if (tensorDimensionsAdded == 2)
{
outputShape = armnn::TensorShape({1, 1, outputShape[0]});
}
}
// Check if permutations is required and get the pair of permutations required for the concatenation.
// Permutation is required when the concat dimension is 2 for a 4D tensor or 1 for a 3D tensor.
std::pair<armnn::PermutationVector, armnn::PermutationVector> permutationPair =
std::make_pair(IdentityPermutation4D, IdentityPermutation4D);
bool needPermute =
CreateConcatPermutationParameters(inputShapes[0].GetNumDimensions(), concatDim, permutationPair);
if (needPermute)
{
outputShape = armnnUtils::Permuted(outputShape, permutationPair.first);
}
outputInfo.SetShape(outputShape);
// this is no-op for identity swizzles, otherwise it replaces both
// the handles and shapes with the swizzled layer output handles and shapes
SwizzleInputs(*data.m_Network, inputHandles, inputShapes, permutationPair.first);
// Create an armnn concat layer descriptor - this will also perform validation on the input shapes
armnn::OriginsDescriptor concatDescriptor;
try
{
// The concat descriptor is always created across the only supported concat dimension
// which is 0, 1 or 3 for a 4-D tensor, or 0 or 2 for a 3-D tensor.
concatDescriptor =
armnn::CreateDescriptorForConcatenation(inputShapes.begin(), inputShapes.end(), concatDim);
}
catch (const armnn::Exception& error)
{
return Fail("%s: Error preparing concat descriptor. %s", __func__, error.what());
}
// Validate the output shape is correct given the input shapes based on the
// only valid concat dimension which is 0, 1 or 3 for a 4-D tensor, or 0 or 2 for a 3-D tensor.
if (!ValidateConcatOutputShape(inputShapes, outputShape, concatDim))
{
return Fail("%s: Error validating the output shape for concat", __func__);
}
std::vector<const armnn::TensorInfo*> inputTensorInfos;
std::transform(inputHandles.begin(), inputHandles.end(), std::back_inserter(inputTensorInfos),
[](const LayerInputHandle& h) -> const armnn::TensorInfo*{ return &h.GetTensorInfo(); });
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsConcatSupported,
data.m_Backends,
isSupported,
inputTensorInfos,
outputInfo,
concatDescriptor);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* layer = data.m_Network->AddConcatLayer(concatDescriptor);
assert(layer != nullptr);
layer->GetOutputSlot(0).SetTensorInfo(outputInfo);
// Connect inputs to the layer
const int numInputSlots = layer->GetNumInputSlots();
assert(static_cast<std::size_t>(numInputSlots) == inputHandles.size());
for (int i = 0; i < numInputSlots; ++i)
{
// connect the input directly to the merge (concat) layer
inputHandles[static_cast<unsigned int>(i)].Connect(layer->GetInputSlot(i));
}
if (needPermute)
{
// Add permutation layer and connect the output to it, the permutation becomes the output layer
armnn::IConnectableLayer& deswizzleLayer = AddPermuteLayer(*data.m_Network,
layer->GetOutputSlot(0),
permutationPair.second);
layer = &deswizzleLayer;
}
if (inputsHaveBeenReshaped)
{
armnn::TensorInfo afterConcatInfo = layer->GetOutputSlot(0).GetTensorInfo();
// Undo the reshape knowing the amount of dimensions added
if (tensorDimensionsAdded == 1)
{
afterConcatInfo.SetShape(armnn::TensorShape({ afterConcatInfo.GetShape()[1],
afterConcatInfo.GetShape()[2] }));
}
else if (tensorDimensionsAdded == 2)
{
afterConcatInfo.SetShape(armnn::TensorShape({ afterConcatInfo.GetShape()[2] }));
}
layer = &AddReshapeLayer(
*data.m_Network,
layer->GetOutputSlot(0),
afterConcatInfo
);
}
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *layer, model, data);
}
bool HalPolicy::ConvertDequantize(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Operation has invalid input", __func__);
}
const Operand* const outputOperand = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!outputOperand)
{
return Fail("%s: Operation has invalid outputs", __func__);
}
armnn::TensorInfo outputInfo = GetTensorInfoForOperand(*outputOperand);
if (IsDynamicOutput(outputInfo))
{
ALOGD("Output shape not set, will infer from input");
outputInfo.SetShape(input.GetTensorInfo().GetShape());
}
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsDequantizeSupported,
data.m_Backends,
isSupported,
input.GetTensorInfo(),
GetTensorInfoForOperand(*outputOperand));
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* const layer = data.m_Network->AddDequantizeLayer();
assert(layer != nullptr);
input.Connect(layer->GetInputSlot(0));
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation,
0,
*layer,
model,
data,
armnn::Optional<armnn::TensorInfo>(outputInfo));
}
bool HalPolicy::ConvertFloor(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const Operand* const outputOperand = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!outputOperand)
{
return Fail("%s: Operation has invalid outputs", __func__);
}
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsFloorSupported,
data.m_Backends,
isSupported,
input.GetTensorInfo(),
GetTensorInfoForOperand(*outputOperand));
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* layer = data.m_Network->AddFloorLayer();
assert(layer != nullptr);
input.Connect(layer->GetInputSlot(0));
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *layer, model, data);
}
bool HalPolicy::ConvertFullyConnected(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const Operand* output = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!output)
{
return Fail("%s: Could not read output 0", __func__);
}
const armnn::TensorInfo& inputInfo = input.GetTensorInfo();
const armnn::TensorInfo& outputInfo = GetTensorInfoForOperand(*output);
// ArmNN does not currently support non-fixed weights or bias
ConstTensorPin weightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 1, model, data); // 2D
ConstTensorPin biasPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 2, model, data); // 1D
if (!weightsPin.IsValid() || !biasPin.IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
armnn::ConstTensor weights = weightsPin.GetConstTensor();
armnn::ConstTensor bias = biasPin.GetConstTensor();
armnn::TensorInfo reshapedInfo = inputInfo;
try
{
reshapedInfo.SetShape(FlattenFullyConnectedInput(inputInfo.GetShape(), weights.GetInfo().GetShape()));
} catch (const std::exception &e) {
return Fail("%s: %s", __func__, e.what());
}
// ensuring that the bias value is within 1% of the weights input (small float differences can exist)
SanitizeBiasQuantizationScale(bias.GetInfo(), weights.GetInfo(), reshapedInfo);
ActivationFn activationFunction;
if (!GetInputActivationFunction<hal_1_0::HalPolicy>(operation, 3, activationFunction, model, data))
{
return Fail("%s: Operation has invalid inputs", __func__);
}
armnn::FullyConnectedDescriptor desc;
desc.m_TransposeWeightMatrix = true;
desc.m_BiasEnabled = true;
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsFullyConnectedSupported,
data.m_Backends,
isSupported,
reshapedInfo,
outputInfo,
weights.GetInfo(),
bias.GetInfo(),
desc);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* startLayer =
data.m_Network->AddFullyConnectedLayer(desc, weights, armnn::Optional<armnn::ConstTensor>(bias));
armnn::IConnectableLayer* endLayer = ProcessActivation(outputInfo, activationFunction, startLayer, data);
if (endLayer != nullptr)
{
if (inputInfo.GetNumDimensions() > 2U)
{
armnn::ReshapeDescriptor reshapeDescriptor;
reshapeDescriptor.m_TargetShape = reshapedInfo.GetShape();
armnn::IConnectableLayer* reshapeLayer = data.m_Network->AddReshapeLayer(reshapeDescriptor);
assert(reshapeLayer != nullptr);
input.Connect(reshapeLayer->GetInputSlot(0));
reshapeLayer->GetOutputSlot(0).SetTensorInfo(reshapedInfo);
reshapeLayer->GetOutputSlot(0).Connect(startLayer->GetInputSlot(0));
}
else
{
input.Connect(startLayer->GetInputSlot(0));
}
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *endLayer, model, data);
}
else
{
return Fail("%s: ProcessActivation failed", __func__);
}
}
bool HalPolicy::ConvertLocalResponseNormalization(const Operation& operation,
const Model& model,
ConversionData& data)
{
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const Operand* output = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!output)
{
return Fail("%s: Could not read output 0", __func__);
}
const armnn::TensorInfo& inputInfo = input.GetTensorInfo();
const armnn::TensorInfo& outputInfo = GetTensorInfoForOperand(*output);
armnn::NormalizationDescriptor descriptor;
descriptor.m_DataLayout = armnn::DataLayout::NHWC;
descriptor.m_NormChannelType = armnn::NormalizationAlgorithmChannel::Across;
descriptor.m_NormMethodType = armnn::NormalizationAlgorithmMethod::LocalBrightness;
if (!input.IsValid() ||
!GetInputScalar<hal_1_0::HalPolicy>(operation, 1, OperandType::INT32, descriptor.m_NormSize, model, data) ||
!GetInputFloat32<hal_1_0::HalPolicy>(operation, 2, descriptor.m_K, model, data) ||
!GetInputFloat32<hal_1_0::HalPolicy>(operation, 3, descriptor.m_Alpha, model, data) ||
!GetInputFloat32<hal_1_0::HalPolicy>(operation, 4, descriptor.m_Beta, model, data))
{
return Fail("%s: Operation has invalid inputs", __func__);
}
// ArmNN expects normSize to be the full size of the normalization
// window rather than the radius as in AndroidNN.
descriptor.m_NormSize = 1 + (2 * descriptor.m_NormSize);
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsNormalizationSupported,
data.m_Backends,
isSupported,
inputInfo,
outputInfo,
descriptor);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* layer = data.m_Network->AddNormalizationLayer(descriptor);
assert(layer != nullptr);
input.Connect(layer->GetInputSlot(0));
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *layer, model, data);
}
bool HalPolicy::ConvertLogistic(const Operation& operation, const Model& model, ConversionData& data)
{
armnn::ActivationDescriptor desc;
desc.m_Function = armnn::ActivationFunction::Sigmoid;
return ConvertToActivation<hal_1_0::HalPolicy>(operation, __func__, desc, model, data);
}
bool HalPolicy::ConvertLstm(const Operation& operation, const Model& model, ConversionData& data)
{
// Inputs:
// 00: The input: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [batch_size, input_size], where
// “batch_size” corresponds to the batching dimension, and “input_size” is the size of the input.
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Could not read input 0: input", __func__);
}
// 18: The output state: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [batch_size, output_size].
LayerInputHandle outputStateIn = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 18, model, data);
if (!outputStateIn.IsValid())
{
return Fail("%s: Could not read input 18: outputStateIn", __func__);
}
// 19: The cell state: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [batch_size, num_units].
LayerInputHandle cellStateIn = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 19, model, data);
if (!cellStateIn.IsValid())
{
return Fail("%s: Could not read input 19: cellStateIn", __func__);
}
// Get the mandatory input tensors:
// 02: The input-to-forget weights: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [num_units, input_size].
const ConstTensorPin inputToForgetWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 2, model, data);
// 03: The input-to-cell weights: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [num_units, input_size].
const ConstTensorPin inputToCellWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 3, model, data);
// 04: The input-to-output weights: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [num_units, input_size].
const ConstTensorPin inputToOutputWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 4, model, data);
// 06: The recurrent-to-forget weights: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [num_units, output_size].
const ConstTensorPin recurrentToForgetWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 6, model, data);
// 07: The recurrent-to-cell weights: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [num_units, output_size].
const ConstTensorPin recurrentToCellWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 7, model, data);
// 08: The recurrent-to-output weights: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [num_units, output_size].
const ConstTensorPin recurrentToOutputWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 8, model, data);
// 13: The forget gate bias: A 1-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [num_units].
const ConstTensorPin forgetGateBiasPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 13, model, data);
// 14: The cell bias: A 1-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [num_units].
const ConstTensorPin cellBiasPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 14, model, data);
// 15: The output gate bias: A 1-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [num_units].
const ConstTensorPin outputGateBiasPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation, 15, model, data);
if (!inputToForgetWeightsPin.IsValid() ||
!inputToCellWeightsPin.IsValid() ||
!inputToOutputWeightsPin.IsValid() ||
!recurrentToForgetWeightsPin.IsValid() ||
!recurrentToCellWeightsPin.IsValid() ||
!recurrentToOutputWeightsPin.IsValid() ||
!forgetGateBiasPin.IsValid() ||
!cellBiasPin.IsValid() ||
!outputGateBiasPin.IsValid())
{
return Fail("%s: Operation has invalid tensor inputs", __func__);
}
// Get the optional input tensors:
// 01: The input-to-input weights: Optional. A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [num_units, input_size], where “num_units” corresponds to the number of cell units.
const ConstTensorPin inputToInputWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation,
1,
model,
data,
g_DontPermute,
nullptr,
true);
// 05: The recurrent-to-input weights: Optional. A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [num_units, output_size], where “output_size” corresponds to either the number of cell units (i.e.,
// “num_units”), or the second dimension of the “projection_weights”, if defined.
const ConstTensorPin recurrentToInputWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation,
5,
model,
data,
g_DontPermute,
nullptr,
true);
// 09: The cell-to-input weights: Optional. A 1-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [num_units].
const ConstTensorPin cellToInputWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation,
9,
model,
data,
g_DontPermute,
nullptr,
true);
// 10: The cell-to-forget weights: Optional. A 1-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [num_units].
const ConstTensorPin cellToForgetWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation,
10,
model,
data,
g_DontPermute,
nullptr,
true);
// 11: The cell-to-output weights: Optional. A 1-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [num_units].
const ConstTensorPin cellToOutputWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation,
11,
model,
data,
g_DontPermute,
nullptr,
true);
// 12: The input gate bias: Optional. A 1-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [num_units].
const ConstTensorPin inputGateBiasPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation,
12,
model,
data,
g_DontPermute,
nullptr,
true);
// 16: The projection weights: Optional. A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape
// [output_size, num_units].
const ConstTensorPin projectionWeightsPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation,
16,
model,
data,
g_DontPermute,
nullptr,
true);
// 17: The projection bias: Optional. A 1-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [output_size].
const ConstTensorPin projectionBiasPin =
ConvertOperationInputToConstTensorPin<hal_1_0::HalPolicy>(operation,
17,
model,
data,
g_DontPermute,
nullptr,
true);
if ((!inputToInputWeightsPin.IsValid() && !inputToInputWeightsPin.IsOptional()) ||
(!recurrentToInputWeightsPin.IsValid() && !recurrentToInputWeightsPin.IsOptional()) ||
(!cellToInputWeightsPin.IsValid() && !cellToInputWeightsPin.IsOptional()) ||
(!cellToForgetWeightsPin.IsValid() && !cellToForgetWeightsPin.IsOptional()) ||
(!cellToOutputWeightsPin.IsValid() && !cellToOutputWeightsPin.IsOptional()) ||
(!inputGateBiasPin.IsValid() && !inputGateBiasPin.IsOptional()) ||
(!projectionWeightsPin.IsValid() && !projectionWeightsPin.IsOptional()) ||
(!projectionBiasPin.IsValid() && !projectionBiasPin.IsOptional()))
{
return Fail("%s: Operation has invalid tensor inputs", __func__);
}
// Get the mandatory input scalars (actually 1-D tensors of size 1):
// 20: The activation function: A value indicating the activation function:
// 0: None; 1: Relu; 3: Relu6; 4: Tanh; 6: Sigmoid.
// 21: The clipping threshold: for the cell state, such that values are bound within [-cell_clip, cell_clip].
// If set to 0.0 then clipping is disabled.
// 22: The clipping threshold: for the output from the projection layer, such that values are bound within
// [-proj_clip, proj_clip]. If set to 0.0 then clipping is disabled.
ActivationFn activation;
float cellClip;
float projClip;
if (!GetInputActivationFunctionFromTensor<hal_1_0::HalPolicy>(operation, 20, activation, model, data) ||
!GetInputScalar<hal_1_0::HalPolicy>(operation, 21, OperandType::FLOAT32, cellClip, model, data) ||
!GetInputScalar<hal_1_0::HalPolicy>(operation, 22, OperandType::FLOAT32, projClip, model, data))
{
return Fail("%s: Operation has invalid scalar inputs", __func__);
}
// Outputs:
// 00: The scratch buffer: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [batch_size, num_units * 4]
// with CIFG, or [batch_size, num_units * 3] without CIFG.
const Operand* scratchBuffer = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!scratchBuffer)
{
return Fail("%s: Could not read output 0: scratchBuffer", __func__);
}
// 01: The output state (out): A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [batch_size, output_size].
const Operand* outputStateOut = GetOutputOperand<hal_1_0::HalPolicy>(operation, 1, model);
if (!outputStateOut)
{
return Fail("%s: Could not read output 1: outputStateOut", __func__);
}
// 02: The cell state (out): A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [batch_size, num_units].
const Operand* cellStateOut = GetOutputOperand<hal_1_0::HalPolicy>(operation, 2, model);
if (!cellStateOut)
{
return Fail("%s: Could not read output 2: cellStateOut", __func__);
}
// 03: The output: A 2-D tensor of ANEURALNETWORKS_TENSOR_FLOAT32, of shape [batch_size, output_size]. This is
// effectively the same as the current “output state (out)” value.
const Operand* output = GetOutputOperand<hal_1_0::HalPolicy>(operation, 3, model);
if (!output)
{
return Fail("%s: Could not read output 3: output", __func__);
}
// set the params structure for the AddLstmLayer call
armnn::LstmInputParams params;
params.m_InputToInputWeights = inputToInputWeightsPin.GetConstTensorPtr();
params.m_InputToForgetWeights = inputToForgetWeightsPin.GetConstTensorPtr();
params.m_InputToCellWeights = inputToCellWeightsPin.GetConstTensorPtr();
params.m_InputToOutputWeights = inputToOutputWeightsPin.GetConstTensorPtr();
params.m_RecurrentToInputWeights = recurrentToInputWeightsPin.GetConstTensorPtr();
params.m_RecurrentToForgetWeights = recurrentToForgetWeightsPin.GetConstTensorPtr();
params.m_RecurrentToCellWeights = recurrentToCellWeightsPin.GetConstTensorPtr();
params.m_RecurrentToOutputWeights = recurrentToOutputWeightsPin.GetConstTensorPtr();
params.m_CellToInputWeights = cellToInputWeightsPin.GetConstTensorPtr();
params.m_CellToForgetWeights = cellToForgetWeightsPin.GetConstTensorPtr();
params.m_CellToOutputWeights = cellToOutputWeightsPin.GetConstTensorPtr();
params.m_InputGateBias = inputGateBiasPin.GetConstTensorPtr();
params.m_ForgetGateBias = forgetGateBiasPin.GetConstTensorPtr();
params.m_CellBias = cellBiasPin.GetConstTensorPtr();
params.m_OutputGateBias = outputGateBiasPin.GetConstTensorPtr();
params.m_ProjectionWeights = projectionWeightsPin.GetConstTensorPtr();
params.m_ProjectionBias = projectionBiasPin.GetConstTensorPtr();
// set the layer descriptor
armnn::LstmDescriptor desc;
desc.m_ActivationFunc = activation;
desc.m_ClippingThresCell = cellClip;
desc.m_ClippingThresProj = projClip;
desc.m_CifgEnabled = (params.m_InputToInputWeights == nullptr ||
params.m_RecurrentToInputWeights == nullptr ||
params.m_InputGateBias == nullptr);
desc.m_PeepholeEnabled = (params.m_CellToForgetWeights != nullptr ||
params.m_CellToOutputWeights != nullptr);
desc.m_ProjectionEnabled = (params.m_ProjectionWeights != nullptr);
// validate the optional input groups
if (desc.m_CifgEnabled &&
(params.m_InputToInputWeights != nullptr ||
params.m_RecurrentToInputWeights != nullptr ||
params.m_InputGateBias != nullptr))
{
return Fail("%s: All, or none, of input-to-input weights, recurrent-to-input weights,"
" and input gate bias must be provided", __func__);
}
if (!desc.m_ProjectionEnabled && params.m_ProjectionBias != nullptr)
{
return Fail("%s: projection bias should not be provided without projection weights", __func__);
}
if (desc.m_PeepholeEnabled &&
(params.m_CellToForgetWeights == nullptr ||
params.m_CellToOutputWeights == nullptr ||
(!desc.m_CifgEnabled && params.m_CellToInputWeights == nullptr)))
{
return Fail("%s: All, or none, of cell-to-forget weights and cell-to-output weights must be provided"
" and, if CIFG is not enabled, cell-to-input weights must also be provided", __func__);
}
// Check if the layer is supported
// Inputs
const armnn::TensorInfo& inputInfo = input.GetTensorInfo();
const armnn::TensorInfo& outputStateInInfo = outputStateIn.GetTensorInfo();
const armnn::TensorInfo& cellStateInInfo = cellStateIn.GetTensorInfo();
// Outputs
const armnn::TensorInfo& scratchBufferInfo = GetTensorInfoForOperand(*scratchBuffer);
const armnn::TensorInfo& outputStateOutInfo = GetTensorInfoForOperand(*outputStateOut);
const armnn::TensorInfo& cellStateOutInfo = GetTensorInfoForOperand(*cellStateOut);
const armnn::TensorInfo& outputInfo = GetTensorInfoForOperand(*output);
// Basic parameters
armnn::LstmInputParamsInfo paramsInfo;
paramsInfo.m_InputToForgetWeights = &(params.m_InputToForgetWeights->GetInfo());
paramsInfo.m_InputToCellWeights = &(params.m_InputToCellWeights->GetInfo());
paramsInfo.m_InputToOutputWeights = &(params.m_InputToOutputWeights->GetInfo());
paramsInfo.m_RecurrentToForgetWeights = &(params.m_RecurrentToForgetWeights->GetInfo());
paramsInfo.m_RecurrentToCellWeights = &(params.m_RecurrentToCellWeights->GetInfo());
paramsInfo.m_RecurrentToOutputWeights = &(params.m_RecurrentToOutputWeights->GetInfo());
paramsInfo.m_ForgetGateBias = &(params.m_ForgetGateBias->GetInfo());
paramsInfo.m_CellBias = &(params.m_CellBias->GetInfo());
paramsInfo.m_OutputGateBias = &(params.m_OutputGateBias->GetInfo());
// Optional parameters
if(!desc.m_CifgEnabled)
{
paramsInfo.m_InputToInputWeights = &(params.m_InputToInputWeights->GetInfo());
paramsInfo.m_RecurrentToInputWeights = &(params.m_RecurrentToInputWeights->GetInfo());
if (params.m_CellToInputWeights != nullptr)
{
paramsInfo.m_CellToInputWeights = &(params.m_CellToInputWeights->GetInfo());
}
paramsInfo.m_InputGateBias = &(params.m_InputGateBias->GetInfo());
}
if(desc.m_ProjectionEnabled)
{
paramsInfo.m_ProjectionWeights = &(params.m_ProjectionWeights->GetInfo());
if (params.m_ProjectionBias != nullptr)
{
paramsInfo.m_ProjectionBias = &(params.m_ProjectionBias->GetInfo());
}
}
if(desc.m_PeepholeEnabled)
{
paramsInfo.m_CellToForgetWeights = &(params.m_CellToForgetWeights->GetInfo());
paramsInfo.m_CellToOutputWeights = &(params.m_CellToOutputWeights->GetInfo());
}
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsLstmSupported,
data.m_Backends,
isSupported,
inputInfo,
outputStateInInfo,
cellStateInInfo,
scratchBufferInfo,
outputStateOutInfo,
cellStateOutInfo,
outputInfo,
desc,
paramsInfo);
if (!isSupported)
{
return false;
}
// Add the layer
armnn::IConnectableLayer* layer = data.m_Network->AddLstmLayer(desc, params, "Lstm");
input.Connect(layer->GetInputSlot(0));
outputStateIn.Connect(layer->GetInputSlot(1));
cellStateIn.Connect(layer->GetInputSlot(2));
return (SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *layer, 0, model, data) &&
SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 1, *layer, 1, model, data) &&
SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 2, *layer, 2, model, data) &&
SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 3, *layer, 3, model, data));
}
bool HalPolicy::ConvertL2Normalization(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const Operand* output = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!output)
{
return Fail("%s: Could not read output 0", __func__);
}
const armnn::TensorInfo& inputInfo = input.GetTensorInfo();
armnn::TensorInfo outputInfo = GetTensorInfoForOperand(*output);
if (IsDynamicOutput(outputInfo))
{
ALOGD("Output shape not set, will infer from inputs");
outputInfo.SetShape(inputInfo.GetShape());
}
armnn::L2NormalizationDescriptor desc;
desc.m_DataLayout = armnn::DataLayout::NHWC;
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsL2NormalizationSupported,
data.m_Backends,
isSupported,
inputInfo,
outputInfo,
desc);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* layer = data.m_Network->AddL2NormalizationLayer(desc);
assert(layer != nullptr);
input.Connect(layer->GetInputSlot(0));
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation,
0,
*layer,
model,
data,
armnn::Optional<armnn::TensorInfo>(outputInfo));
}
bool HalPolicy::ConvertL2Pool2d(const Operation& operation, const Model& model, ConversionData& data)
{
return ConvertPooling2d<hal_1_0::HalPolicy>(operation, __func__, armnn::PoolingAlgorithm::L2, model, data);
}
bool HalPolicy::ConvertMaxPool2d(const Operation& operation, const Model& model, ConversionData& data)
{
return ConvertPooling2d<hal_1_0::HalPolicy>(operation, __func__, armnn::PoolingAlgorithm::Max, model, data);
}
bool HalPolicy::ConvertMul(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input0 = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
LayerInputHandle input1 = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 1, model, data);
if (!input0.IsValid() || !input1.IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
// The FuseActivation parameter is always the input index 2
// and it should be optional
ActivationFn activationFunction;
if (!GetOptionalInputActivation<hal_1_0::HalPolicy>(operation, 2, activationFunction, model, data))
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const Operand* outputOperand = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (outputOperand == nullptr)
{
return false;
}
const armnn::TensorInfo& outInfo = GetTensorInfoForOperand(*outputOperand);
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsMultiplicationSupported,
data.m_Backends,
isSupported,
input0.GetTensorInfo(),
input1.GetTensorInfo(),
outInfo);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* const startLayer = data.m_Network->AddMultiplicationLayer();
armnn::IConnectableLayer* const endLayer = ProcessActivation(outInfo, activationFunction, startLayer, data);
const armnn::TensorInfo& inputTensorInfo0 = input0.GetTensorInfo();
const armnn::TensorInfo& inputTensorInfo1 = input1.GetTensorInfo();
if (endLayer != nullptr)
{
BroadcastTensor(input0, input1, startLayer, *data.m_Network);
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *endLayer, model, data);
}
else
{
return Fail("%s: ProcessActivation failed", __func__);
}
}
bool HalPolicy::ConvertReLu(const Operation& operation, const Model& model, ConversionData& data)
{
armnn::ActivationDescriptor desc;
desc.m_Function = armnn::ActivationFunction::ReLu;
return ConvertToActivation<hal_1_0::HalPolicy>(operation, __func__, desc, model, data);
}
bool HalPolicy::ConvertReLu1(const Operation& operation, const Model& model, ConversionData& data)
{
armnn::ActivationDescriptor desc;
desc.m_Function = armnn::ActivationFunction::BoundedReLu;
desc.m_A = 1.0f;
desc.m_B = -1.0f;
return ConvertToActivation<hal_1_0::HalPolicy>(operation, __func__, desc, model, data);
}
bool HalPolicy::ConvertReLu6(const Operation& operation, const Model& model, ConversionData& data)
{
armnn::ActivationDescriptor desc;
desc.m_Function = armnn::ActivationFunction::BoundedReLu;
desc.m_A = 6.0f;
return ConvertToActivation<hal_1_0::HalPolicy>(operation, __func__, desc, model, data);
}
bool HalPolicy::ConvertSoftmax(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const Operand* outputOperand = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!outputOperand)
{
return Fail("%s: Operation has no outputs", __func__);
}
armnn::TensorInfo outputInfo = GetTensorInfoForOperand(*outputOperand);
if (IsDynamicOutput(outputInfo))
{
ALOGD("Output shape not set, will infer from input");
outputInfo.SetShape(input.GetTensorInfo().GetShape());
}
armnn::SoftmaxDescriptor desc;
if (!GetInputFloat32<hal_1_0::HalPolicy>(operation, 1, desc.m_Beta, model, data))
{
return Fail("%s: Operation has invalid inputs", __func__);
}
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsSoftmaxSupported,
data.m_Backends,
isSupported,
input.GetTensorInfo(),
outputInfo,
desc);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* layer = data.m_Network->AddSoftmaxLayer(desc);
assert(layer != nullptr);
input.Connect(layer->GetInputSlot(0));
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation,
0,
*layer,
model,
data,
armnn::Optional<armnn::TensorInfo>(outputInfo));
}
bool HalPolicy::ConvertSpaceToDepth(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid() )
{
return Fail("%s: Operation has invalid inputs", __func__);
}
const armnn::TensorInfo& inputInfo = input.GetTensorInfo();
unsigned int rank = inputInfo.GetNumDimensions();
if (rank != 4)
{
return Fail("%s: Only inputs with rank 4 are supported", __func__);
}
armnn::SpaceToDepthDescriptor desc;
bool dataLayoutCheck;
GetInputScalar<hal_1_0::HalPolicy>(operation, 1, OperandType::INT32, desc.m_BlockSize, model, data);
if (desc.m_BlockSize <= 1)
{
return Fail("%s: Block size must be at least 1 in all dimensions");
}
const Operand* output = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!output)
{
return Fail("%s: Could not read output 0", __func__);
}
const armnn::TensorInfo& outputInfo = GetTensorInfoForOperand(*output);
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsSpaceToDepthSupported,
data.m_Backends,
isSupported,
inputInfo,
outputInfo,
desc);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* const layer = data.m_Network->AddSpaceToDepthLayer(desc);
assert(layer != nullptr);
input.Connect(layer->GetInputSlot(0));
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *layer, model, data);
}
bool HalPolicy::ConvertTanH(const Operation& operation, const Model& model, ConversionData& data)
{
armnn::ActivationDescriptor desc;
desc.m_Function = armnn::ActivationFunction::TanH;
desc.m_A = 1.0f; // android nn does not support tanH parameters
desc.m_B = 1.0f; // set to 1.0f for unity scaling
return ConvertToActivation<hal_1_0::HalPolicy>(operation, __func__, desc, model, data);
}
bool HalPolicy::ConvertReshape(const Operation& operation, const Model& model, ConversionData& data)
{
const Operand* inputOperand = GetInputOperand<hal_1_0::HalPolicy>(operation, 0, model);
const Operand* requestedShapeOperand = GetInputOperand<hal_1_0::HalPolicy>(operation, 1, model);
const Operand* outputOperand = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (inputOperand == nullptr
|| requestedShapeOperand == nullptr
|| outputOperand == nullptr)
{
return Fail("%s: Operation has invalid inputs", __func__);
}
if (requestedShapeOperand->dimensions.size() != 1)
{
return Fail("%s: Input 1 expected to be one-dimensional (found %i dimensions)",
__func__, requestedShapeOperand->dimensions.size());
}
std::vector<int32_t> targetDimensions;
if (!GetTensorInt32Values<hal_1_0::HalPolicy>(*requestedShapeOperand, targetDimensions, model, data))
{
return Fail("%s: Could not read values of input 1", __func__);
}
const Shape inputOperandShape = GetOperandShape(*inputOperand);
Shape requestedShape;
// targetDimensions may contain special values (e.g. -1). reshapePrepare() is an AndroidNN provided utility
// function that resolves these values into a fully specified tensor shape.
if (!reshapePrepare(inputOperandShape, targetDimensions.data(), targetDimensions.size(), &requestedShape))
{
return Fail("%s: Failed to resolve the requested shape", __func__);
}
const Shape outputOperandShape = GetOperandShape(*outputOperand);
if (!SameShape(requestedShape, outputOperandShape))
{
return Fail("%s: Shape of output operand does not match resolved requested shape", __func__);
}
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Could not read input 0", __func__);
}
armnn::ReshapeDescriptor reshapeDescriptor;
reshapeDescriptor.m_TargetShape = armnn::TensorShape(requestedShape.dimensions.size(),
requestedShape.dimensions.data());
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsReshapeSupported,
data.m_Backends,
isSupported,
input.GetTensorInfo(),
reshapeDescriptor);
if (!isSupported)
{
return false;
}
armnn::IConnectableLayer* layer = data.m_Network->AddReshapeLayer(reshapeDescriptor);
assert(layer != nullptr);
input.Connect(layer->GetInputSlot(0));
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *layer, model, data);
}
bool HalPolicy::ConvertResizeBilinear(const Operation& operation, const Model& model, ConversionData& data)
{
LayerInputHandle input = ConvertToLayerInputHandle<hal_1_0::HalPolicy>(operation, 0, model, data);
if (!input.IsValid())
{
return Fail("%s: Could not read input 0", __func__);
}
const Operand* output = GetOutputOperand<hal_1_0::HalPolicy>(operation, 0, model);
if (!output)
{
return Fail("%s: Could not read output 0", __func__);
}
const armnn::TensorInfo& inputInfo = input.GetTensorInfo();
const armnn::TensorInfo& outputInfo = GetTensorInfoForOperand(*output);
armnn::ResizeDescriptor desc;
desc.m_Method = armnn::ResizeMethod::Bilinear;
desc.m_DataLayout = armnn::DataLayout::NHWC;
bool isSupported = false;
FORWARD_LAYER_SUPPORT_FUNC(__func__,
IsResizeSupported,
data.m_Backends,
isSupported,
inputInfo,
outputInfo,
desc);
if (!isSupported)
{
return false;
}
if (!GetInputScalar<hal_1_0::HalPolicy>(operation, 1, OperandType::INT32, desc.m_TargetWidth, model, data) ||
!GetInputScalar<hal_1_0::HalPolicy>(operation, 2, OperandType::INT32, desc.m_TargetHeight, model, data))
{
return Fail("%s: Operation has invalid inputs", __func__);
}
armnn::IConnectableLayer* layer = data.m_Network->AddResizeLayer(desc);
assert(layer != nullptr);
layer->GetOutputSlot(0).SetTensorInfo(outputInfo);
input.Connect(layer->GetInputSlot(0));
return SetupAndTrackLayerOutputSlot<hal_1_0::HalPolicy>(operation, 0, *layer, model, data);
}
} // namespace hal_1_0
} // namespace armnn_driver