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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "StaticRangeVisitor.hpp"
#include <boost/core/ignore_unused.hpp>
#include <armnn/Descriptors.hpp>
#include <armnn/Types.hpp>
namespace armnn
{
StaticRangeVisitor::StaticRangeVisitor(std::unordered_map<LayerGuid, MinMaxRanges>& guidToRangesMap)
: m_GuidToRangesMap(guidToRangesMap)
{}
StaticRangeVisitor::MinMaxRange StaticRangeVisitor::GetRange(LayerGuid guid, unsigned int idx) const
{
auto search = m_GuidToRangesMap.find(guid);
if (search == m_GuidToRangesMap.end())
{
return DefaultRange();
}
return search->second.at(idx);
}
void StaticRangeVisitor::SetRange(const IConnectableLayer* layer, unsigned int outputIdx, float min, float max)
{
auto& ranges = m_GuidToRangesMap[layer->GetGuid()];
if (ranges.size() < layer->GetNumOutputSlots())
{
ranges.resize(layer->GetNumOutputSlots());
}
ranges[outputIdx] = std::make_pair(min, max);
}
void StaticRangeVisitor::VisitAdditionLayer(const IConnectableLayer* layer, const char* name)
{
SetRange(layer, 0, -20.f, 20.f);
}
void StaticRangeVisitor::VisitBatchNormalizationLayer(const IConnectableLayer* layer,
const BatchNormalizationDescriptor& desc,
const ConstTensor& mean,
const ConstTensor& variance,
const ConstTensor& beta,
const ConstTensor& gamma,
const char* name)
{
boost::ignore_unused(desc);
boost::ignore_unused(mean);
boost::ignore_unused(variance);
boost::ignore_unused(beta);
boost::ignore_unused(gamma);
boost::ignore_unused(name);
SetRange(layer, 0, -15.0f, 15.0f);
}
void StaticRangeVisitor::VisitActivationLayer(const IConnectableLayer* layer,
const ActivationDescriptor& activationDescriptor,
const char* name)
{
switch (activationDescriptor.m_Function)
{
// Range is 0, 15 for Abs, Linear, ReLu and Soft ReLu
case ActivationFunction::Abs:
case ActivationFunction::Linear:
case ActivationFunction::ReLu:
case ActivationFunction::SoftReLu:
SetRange(layer, 0, 0.f, 15.f);
break;
case ActivationFunction::BoundedReLu:
SetRange(layer, 0, 0.f, activationDescriptor.m_A);
break;
case ActivationFunction::TanH:
SetRange(layer, 0, -1.f, 1.f);
break;
case ActivationFunction::LeakyReLu:
SetRange(layer, 0, -5.f, 15.f);
break;
default:
SetRange(layer, 0, -15.f, 15.f);
break;
}
}
void StaticRangeVisitor::VisitFullyConnectedLayer(const armnn::IConnectableLayer *layer,
const armnn::FullyConnectedDescriptor& desc,
const ConstTensor& weights,
const char *name)
{
boost::ignore_unused(desc);
boost::ignore_unused(weights);
boost::ignore_unused(name);
SetRange(layer, 0, -15.0f, 15.0f);
}
void StaticRangeVisitor::VisitFullyConnectedLayer(const armnn::IConnectableLayer *layer,
const armnn::FullyConnectedDescriptor& desc,
const ConstTensor& weights,
const ConstTensor& bias,
const char *name)
{
boost::ignore_unused(desc);
boost::ignore_unused(weights);
boost::ignore_unused(bias);
boost::ignore_unused(name);
SetRange(layer, 0, -15.0f, 15.0f);
}
} //namespace armnn
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