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/*
* AXERA is pleased to support the open source community by making ax-samples available.
*
* Copyright (c) 2022, AXERA Semiconductor (Shanghai) Co., Ltd. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
/*
* Author: ls.wang
*/
#pragma once
#include <chrono>
class timer
{
private:
std::chrono::system_clock::time_point start_time, end_time;
public:
timer()
{
start();
}
void start()
{
stop();
this->start_time = this->end_time;
}
void stop()
{
#ifdef _MSC_VER
this->end_time = std::chrono::system_clock::now();
#else
this->end_time = std::chrono::high_resolution_clock::now();
#endif
}
float cost()
{
if (this->end_time <= this->start_time)
{
this->stop();
}
auto ms = std::chrono::duration_cast<std::chrono::microseconds>(this->end_time - this->start_time).count();
return static_cast<float>(ms) / 1000.f;
}
};
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