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/*
* Copyright (c) 2017 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __ARM_COMPUTE_TEST_BENCHMARK_INSTRUMENT_H__
#define __ARM_COMPUTE_TEST_BENCHMARK_INSTRUMENT_H__
#include "Utils.h"
#include <memory>
#include <string>
namespace arm_compute
{
namespace test
{
namespace benchmark
{
/** Interface for classes that can be used to measure performance. */
class Instrument
{
public:
/** Interface defining a measurement, e.g. time, cycles, ... */
class IMeasurement
{
public:
IMeasurement() = default;
IMeasurement(const IMeasurement &) = default;
IMeasurement(IMeasurement &&) = default;
IMeasurement &operator=(const IMeasurement &) = default;
IMeasurement &operator=(IMeasurement &&) = default;
virtual ~IMeasurement() = default;
virtual operator double() const = 0;
};
/** Implementation of a Measurement class for arihtmetic types. */
template <typename T>
class Measurement : public IMeasurement
{
public:
/** Store the given value as measurement.
*
* @param[in] value Measured value.
*/
Measurement(T value);
operator double() const override;
private:
T _value;
};
Instrument() = default;
Instrument(const Instrument &) = default;
Instrument(Instrument &&) = default;
Instrument &operator=(const Instrument &) = default;
Instrument &operator=(Instrument &&) = default;
virtual ~Instrument() = default;
/** Identifier for the instrument */
virtual std::string id() const = 0;
/** Start measuring. */
virtual void start() = 0;
/** Stop measuring. */
virtual void stop() = 0;
/** Return the latest measurement. */
virtual std::unique_ptr<IMeasurement> get_measurement() const = 0;
};
template <typename T>
Instrument::Measurement<T>::Measurement(T value)
: _value{ value }
{
}
template <typename T>
Instrument::Measurement<T>::operator double() const
{
return _value;
}
} // namespace benchmark
} // namespace test
} // namespace arm_compute
#endif
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