85 строки
2.4 KiB
C++
85 строки
2.4 KiB
C++
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// MIT License
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//
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// Copyright (c) 2017-2025 Advanced Micro Devices, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef TEST_UTIL_PERF_TIMER_H_
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#define TEST_UTIL_PERF_TIMER_H_
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// Will use AMD timer or general Linux timer based on compilation flag
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// Need to consider platform is Windows or Linux
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(_MSC_VER)
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#include <intrin.h>
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#include <time.h>
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#include <windows.h>
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#else
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#if defined(__GNUC__)
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#include <sys/time.h>
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#include <x86intrin.h>
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#endif // __GNUC__
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#endif // _MSC_VER
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#include <iostream>
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#include <string>
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#include <vector>
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class PerfTimer {
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public:
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enum { SUCCESS = 0, FAILURE = 1 };
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PerfTimer();
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~PerfTimer();
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// General Linux timing method
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int CreateTimer();
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int StartTimer(int index);
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int StopTimer(int index);
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// retrieve time
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double ReadTimer(int index);
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// write into a file
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double WriteTimer(int index);
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private:
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struct Timer {
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std::string name; /* name of time object */
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long long freq; /* frequency */
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double clocks; /* number of ticks at end */
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double start; /* start point ticks */
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};
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std::vector<Timer*> timers_; /* vector to Timer objects */
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double freq_in_100mhz_;
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// AMD timing method
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uint64_t CoarseTimestampUs();
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uint64_t MeasureTSCFreqHz();
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void Error(std::string str);
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};
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#endif // TEST_UTIL_PERF_TIMER_H_
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