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//
// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "TosaRefLayerSupport.hpp"
#include <tosaCommon/TosaMappings.hpp>
#include <armnn/Types.hpp>
#include <armnn/utility/IgnoreUnused.hpp>
#include <tosaCommon/TosaLayerSupportRules.hpp>
#include <LayerSupportCommon.hpp>
#include <vector>
#include <array>
namespace armnn
{
static bool IsTosaLayerSupported(TosaSerializationOperator* op,
const std::vector<TosaSerializationTensor*>& inputs,
const std::vector<TosaSerializationTensor*>& outputs,
Optional<string&> reasonIfUnsupported)
{
switch(op->GetOp())
{
case tosa::Op_ADD:
{
bool supported = true;
std::array<Attribute, 1> supportedAttributes =
{
Attribute_NONE
};
// Check Attribute from operator (GetAttribute)
supported &= CheckSupportRule(TosaOperatorAttributeOfAny(op, supportedAttributes), reasonIfUnsupported,
std::string("TOSA Reference addition: operator has an unsupported attribute.").c_str());
std::array<DType, 9> supportedTypes =
{
DType_BOOL,
DType_UINT8,
DType_UINT16,
DType_INT4,
DType_INT8,
DType_INT16,
DType_INT32,
DType_FP16,
DType_FP32
};
for (auto tensor : inputs)
{
// Check Dtype from tensor (GetDtype)
supported &= CheckSupportRule(TosaTypeAnyOf(tensor, supportedTypes),
reasonIfUnsupported,
std::string("TOSA Reference addition: " + tensor->GetName() +
" is not a supported type.").c_str());
// Check Shape from tensor (GetShape)
supported &= CheckSupportRule(TosaTensorNumDimensionsWithinBounds(tensor),
reasonIfUnsupported,
std::string("Tosa Reference addition: " + tensor->GetName() + " Shape.Size()"
" outside bounds of between Zero and MaxNumOfTensorDimensions.").c_str());
}
// Check Dtype from tensor (GetDtype)
supported &= CheckSupportRule(TosaTypeAnyOf(outputs[0], supportedTypes),
reasonIfUnsupported,
std::string("TOSA Reference addition: " + outputs[0]->GetName() +
" is not a supported type.").c_str());
// Check Shape from tensor (GetShape)
supported &= CheckSupportRule(TosaTensorNumDimensionsWithinBounds(outputs[0]),
reasonIfUnsupported,
std::string("Tosa Reference addition: " + outputs[0]->GetName() + " Shape.Size()"
" outside bounds of between Zero and MaxNumOfTensorDimensions.").c_str());
return supported;
}
default:
SetValueChecked(reasonIfUnsupported, "Operation is currently unsupported by the TOSA Reference Backend.");
return false;
}
}
bool TosaRefLayerSupport::IsLayerSupported(const LayerType& type,
const std::vector<TensorInfo>& infos,
const BaseDescriptor& descriptor,
const Optional<LstmInputParamsInfo>& lstmParamsInfo,
const Optional<QuantizedLstmInputParamsInfo>& quantizedLstmInputParamsInfo,
Optional<std::string&> reasonIfUnsupported) const
{
IgnoreUnused(lstmParamsInfo);
IgnoreUnused(quantizedLstmInputParamsInfo);
std::vector<const TensorInfo*> inputInfos;
std::vector<const TensorInfo*> outputInfos;
switch (type)
{
case LayerType::Addition:
// Setup inputs and outputs
inputInfos.push_back(&infos[0]);
inputInfos.push_back(&infos[1]);
outputInfos.push_back(&infos[2]);
break;
case LayerType::Input:
case LayerType::Output:
return true;
default:
break;
}
auto mappings = GetTosaMapping(type, inputInfos, outputInfos, descriptor, false);
if (mappings->GetName() == "")
{
// There currently isn't a TOSA mapping for this layer, as the default was returned.
return false;
}
// Loop through block and get each tensor and operator
for (long unsigned int i = 0; i < mappings->GetOperators().size(); ++i)
{
// While looping over operators check for op_UNKNOWN which is unsupported
if (mappings->GetOperators()[i]->GetOp() == tosa::Op_UNKNOWN) { return false; }
// Loop over operators and get GetInput/OutputTensorNames, loop over resulting names and
// use GetTensorByName to pass pointers to tensors on to the IsTosaLayerSupported()
std::vector<TosaSerializationTensor*> inputTensorsVect;
for (const auto& name : mappings->GetOperators()[i]->GetInputTensorNames())
{
inputTensorsVect.push_back(mappings->GetTensorByName(name));
}
std::vector<TosaSerializationTensor*> outputTensorsVect;
for (const auto& name : mappings->GetOperators()[i]->GetOutputTensorNames())
{
outputTensorsVect.push_back(mappings->GetTensorByName(name));
}
if (!IsTosaLayerSupported(mappings->GetOperators()[i],
inputTensorsVect,
outputTensorsVect,
reasonIfUnsupported))
{
return false;
}
}
return true;
}
} // namespace armnn
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