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//
// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "TosaMappings.hpp"
using namespace armnn;
using namespace tosa;
TosaSerializationBasicBlock* CreateEmptyTosaSerializationBasicBlock()
{
// Empty basic block when no TOSA mapping implemented/exists
auto* op = new TosaSerializationOperator(Op_UNKNOWN, Attribute_NONE, nullptr, {}, {});
return new TosaSerializationBasicBlock("", {op}, {}, {}, {});
}
TosaSerializationBasicBlock* GetTosaMapping(const Layer* layer,
const LayerType type,
const std::vector<const TensorInfo*>& inputs,
const std::vector<const TensorInfo*>& outputs,
const BaseDescriptor& descriptor)
{
switch (type)
{
case LayerType::Addition:
case LayerType::Multiplication:
case LayerType::Subtraction:
{
return ConvertElementwiseBinaryToTosaOperator(layer, type, inputs, outputs);
}
case LayerType::Concat:
{
auto concatDesc = PolymorphicDowncast<const OriginsDescriptor*>(&descriptor);
return ConvertConcatToTosaOperator(layer, inputs, outputs, concatDesc);
}
case LayerType::Constant:
{
return ConvertConstantToTosaOperator(layer, outputs);
}
case LayerType::Convolution2d:
{
auto conv2dDesc = PolymorphicDowncast<const Convolution2dDescriptor*>(&descriptor);
return ConvertConv2dToTosaOperator(layer, inputs, outputs, conv2dDesc);
}
case LayerType::Pooling2d:
{
auto poolDesc = PolymorphicDowncast<const Pooling2dDescriptor*>(&descriptor);
bool avgPoolIgnoreValue =
(poolDesc->m_PoolType == PoolingAlgorithm::Average) &&
(poolDesc->m_PaddingMethod == PaddingMethod::IgnoreValue);
if (poolDesc->m_PoolType == PoolingAlgorithm::L2)
{
return CreateEmptyTosaSerializationBasicBlock();
}
else if (avgPoolIgnoreValue)
{
return ConvertAvgPool2DIgnoreValueToTosaOperator(layer, inputs, outputs, poolDesc);
}
else
{
return ConvertPooling2DToTosaOperator(layer, inputs, outputs, poolDesc);
}
}
case LayerType::Reshape:
{
auto reshapeDesc = PolymorphicDowncast<const ReshapeDescriptor*>(&descriptor);
return ConvertReshapeToTosaOperator(layer, inputs, outputs, reshapeDesc);
}
case LayerType::Slice:
{
auto sliceDesc = PolymorphicDowncast<const SliceDescriptor*>(&descriptor);
return ConvertSliceToTosaOperator(layer, inputs, outputs, sliceDesc);
}
case LayerType::TransposeConvolution2d:
{
auto transposeConv2dDesc = PolymorphicDowncast<const TransposeConvolution2dDescriptor*>(&descriptor);
return ConvertTransposeConv2dToTosaOperator(layer, inputs, outputs, transposeConv2dDesc);
}
case LayerType::Transpose:
{
auto transposeDesc = PolymorphicDowncast<const TransposeDescriptor*>(&descriptor);
return ConvertTransposeToTosaOperator(layer, inputs, outputs, transposeDesc);
}
default:
{
return CreateEmptyTosaSerializationBasicBlock();
}
}
}
TosaSerializationBasicBlock* GetTosaMappingFromLayer(Layer* layer)
{
std::vector<const TensorInfo*> inputs;
for (auto inputSlot : layer->GetInputSlots())
{
inputs.push_back(&inputSlot.GetConnection()->GetTensorInfo());
}
std::vector<const TensorInfo*> outputs;
for (auto& outputSlot : layer->GetOutputSlots())
{
outputs.push_back(&outputSlot.GetTensorInfo());
}
TosaSerializationBasicBlock* basicBlock = GetTosaMapping(layer,
layer->GetType(),
inputs,
outputs,
layer->GetParameters());
return basicBlock;
}
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