project64/Source/3rdParty/asmjit/test/performancetimer.h

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C++

// This file is part of AsmJit project <https://asmjit.com>
//
// See asmjit.h or LICENSE.md for license and copyright information
// SPDX-License-Identifier: Zlib
#ifndef PERFORMANCETIMER_H_INCLUDED
#define PERFORMANCETIMER_H_INCLUDED
#include <asmjit/core.h>
#include <chrono>
class PerformanceTimer {
public:
typedef std::chrono::high_resolution_clock::time_point TimePoint;
TimePoint _startTime {};
TimePoint _endTime {};
inline void start() {
_startTime = std::chrono::high_resolution_clock::now();
}
inline void stop() {
_endTime = std::chrono::high_resolution_clock::now();
}
inline double duration() const {
std::chrono::duration<double> elapsed = _endTime - _startTime;
return elapsed.count() * 1000;
}
};
static inline double mbps(double duration, uint64_t outputSize) noexcept {
if (duration == 0)
return 0.0;
double bytesTotal = double(outputSize);
return (bytesTotal * 1000) / (duration * 1024 * 1024);
}
#endif // PERFORMANCETIMER_H_INCLUDED