src/backends/cl/ClContextControl.hpp

//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once

#include "armnn/IRuntime.hpp"

#include <arm_compute/runtime/CL/CLTuner.h>
#include <arm_compute/runtime/CL/CLGEMMHeuristicsHandle.h>

namespace armnn
{

// ARM Compute OpenCL context control.
class ClContextControl
{
public:

    ClContextControl(arm_compute::CLTuner* = nullptr,
                     arm_compute::CLGEMMHeuristicsHandle* = nullptr,
                     bool profilingEnabled = false);

    virtual ~ClContextControl();

    void LoadOpenClRuntime();

    // Users should call this (after freeing all of the cl::Context objects they use)
    // to release the cached memory used by the compute library.
    void UnloadOpenClRuntime();

    // Clear the CL cache, without losing the tuned parameter settings.
    void ClearClCache();

private:

    void DoLoadOpenClRuntime(bool updateTunedParameters);

    arm_compute::CLTuner* m_Tuner;
    arm_compute::CLGEMMHeuristicsHandle* m_HeuristicsHandle;

    bool m_ProfilingEnabled;
};

class ClTunedParameters : public IGpuAccTunedParameters
{
public:
    ClTunedParameters(armnn::IGpuAccTunedParameters::Mode mode, armnn::IGpuAccTunedParameters::TuningLevel tuningLevel);

    virtual void Load(const char* filename);
    virtual void Save(const char* filename) const;

    Mode m_Mode;
    TuningLevel m_TuningLevel;

    arm_compute::CLTuner m_Tuner;
    arm_compute::CLGEMMHeuristicsHandle m_HeuristicsHandle;
};

} // namespace armnn