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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include "LoadedNetwork.hpp"
#include "DeviceSpec.hpp"
#include <armnn/INetwork.hpp>
#include <armnn/IRuntime.hpp>
#include <armnn/Tensor.hpp>
#include <armnn/BackendId.hpp>
#include <backendsCommon/DynamicBackend.hpp>
#include <mutex>
#include <unordered_map>
namespace armnn
{
class Runtime final : public IRuntime
{
public:
/// Loads a complete network into the Runtime.
/// @param [out] networkIdOut - Unique identifier for the network is returned in this reference.
/// @param [in] network - Complete network to load into the Runtime.
/// The runtime takes ownership of the network once passed in.
/// @return armnn::Status
virtual Status LoadNetwork(NetworkId& networkIdOut, IOptimizedNetworkPtr network) override;
/// Load a complete network into the IRuntime.
/// @param [out] networkIdOut Unique identifier for the network is returned in this reference.
/// @param [in] network Complete network to load into the IRuntime.
/// @param [out] errorMessage Error message if there were any errors.
/// The runtime takes ownership of the network once passed in.
/// @return armnn::Status
virtual Status LoadNetwork(NetworkId& networkIdOut,
IOptimizedNetworkPtr network,
std::string& errorMessage) override;
virtual Status LoadNetwork(NetworkId& networkIdOut,
IOptimizedNetworkPtr network,
std::string& errorMessage,
const INetworkProperties& networkProperties) override;
virtual TensorInfo GetInputTensorInfo(NetworkId networkId, LayerBindingId layerId) const override;
virtual TensorInfo GetOutputTensorInfo(NetworkId networkId, LayerBindingId layerId) const override;
// Evaluates network using input in inputTensors, outputs filled into outputTensors.
virtual Status EnqueueWorkload(NetworkId networkId,
const InputTensors& inputTensors,
const OutputTensors& outputTensors) override;
/// Unloads a network from the Runtime.
/// At the moment this only removes the network from the m_Impl->m_Network.
/// This might need more work in the future to be AndroidNN compliant.
/// @param [in] networkId Unique identifier for the network to be unloaded. Generated in LoadNetwork().
/// @return armnn::Status
virtual Status UnloadNetwork(NetworkId networkId) override;
virtual const IDeviceSpec& GetDeviceSpec() const override { return m_DeviceSpec; }
/// Gets the profiler corresponding to the given network id.
/// @param networkId The id of the network for which to get the profile.
/// @return A pointer to the requested profiler, or nullptr if not found.
virtual const std::shared_ptr<IProfiler> GetProfiler(NetworkId networkId) const override;
/// Registers a callback function to debug layers performing custom computations on intermediate tensors.
/// @param networkId The id of the network to register the callback.
/// @param func callback function to pass to the debug layer.
virtual void RegisterDebugCallback(NetworkId networkId, const DebugCallbackFunction& func) override;
/// Creates a runtime for workload execution.
/// May throw a ClRuntimeUnavailableException if @a defaultComputeDevice requires a CL runtime but
/// it cannot be setup for some reason.
Runtime(const CreationOptions& options);
~Runtime();
private:
friend void RuntimeLoadedNetworksReserve(armnn::Runtime* runtime); // See RuntimeTests.cpp
int GenerateNetworkId();
LoadedNetwork* GetLoadedNetworkPtr(NetworkId networkId) const;
template<typename Func>
void LoadedNetworkFuncSafe(NetworkId networkId, Func f)
{
std::lock_guard<std::mutex> lockGuard(m_Mutex);
auto iter = m_LoadedNetworks.find(networkId);
if (iter != m_LoadedNetworks.end())
{
f(iter->second.get());
}
}
/// Loads any available/compatible dynamic backend in the runtime.
void LoadDynamicBackends(const std::string& overrideBackendPath);
mutable std::mutex m_Mutex;
std::unordered_map<NetworkId, std::unique_ptr<LoadedNetwork>> m_LoadedNetworks;
std::unordered_map<BackendId, IBackendInternal::IBackendContextPtr> m_BackendContexts;
int m_NetworkIdCounter;
DeviceSpec m_DeviceSpec;
/// List of dynamic backends loaded in the runtime
std::vector<DynamicBackendPtr> m_DynamicBackends;
};
} // namespace armnn
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