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Initial Commit - Lesson 31 (Commit #1)

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Norman Lansing
2026-02-24 22:39:26 -05:00
commit 9591e7f503
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36
Plugins/GameLiftServerSDK/ThirdParty/concurrentqueue/benchmarks/dlib/time_this.h vendored Normal file
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// Copyright (C) 2003 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#ifndef DLIB_TIME_THIs_
#define DLIB_TIME_THIs_
#include <chrono>
// ----------------------------------------------------------------------------------------
#define TIME_THIS_TO(_tt_op,_tt_out) \
{ \
auto _tt_start = std::chrono::high_resolution_clock::now(); \
{_tt_op;} \
auto _tt_stop = std::chrono::high_resolution_clock::now(); \
auto _tt_thetime = _tt_stop-_tt_start; \
using std::chrono::duration_cast; \
using std::chrono::duration; \
if (_tt_thetime >= std::chrono::minutes(1)) \
_tt_out << "\ntime: " << duration_cast<duration<double,std::ratio<60>>>(_tt_thetime).count() << "min\n"; \
else if (_tt_thetime >= std::chrono::seconds(1)) \
_tt_out << "\ntime: " << duration_cast<duration<double>>(_tt_thetime).count() << "sec\n"; \
else if (_tt_thetime >= std::chrono::milliseconds(1)) \
_tt_out << "\ntime: " << duration_cast<duration<double,std::milli>>(_tt_thetime).count() << "ms\n"; \
else if (_tt_thetime >= std::chrono::microseconds(1)) \
_tt_out << "\ntime: " << duration_cast<duration<double,std::micro>>(_tt_thetime).count() << "us\n"; \
else \
_tt_out << "\ntime: " << duration_cast<duration<double,std::nano>>(_tt_thetime).count() << "ns\n"; \
}
#define TIME_THIS(_tt_op) TIME_THIS_TO(_tt_op,std::cout)
// ----------------------------------------------------------------------------------------
#endif // DLIB_TIME_THIs_