44 lines
906 B
C
44 lines
906 B
C
#ifndef BENCHMARKH
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#define BENCHMARKH
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#if defined(_WIN32)
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static uint64_t Benchmark()
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{
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return GetTickCount64();
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}
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#elif defined(__ANDROID__)
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#include <time.h>
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// Make sure to divide by 1000000 (1 million) to get results in Milliseconds, as they are returned in nanoseconds
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static uint64_t Benchmark()
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{
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struct timespec ts;
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uint64_t count;
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clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
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count=(uint64_t)ts.tv_sec*1000000000ULL + (uint64_t)ts.tv_nsec;
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return count;
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}
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#elif defined(__APPLE__)
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#include <mach/mach_time.h>
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static uint64_t Benchmark()
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{
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uint64_t absoluteTime;
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static mach_timebase_info_data_t timeBase = {0,0};
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absoluteTime = mach_absolute_time();
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if (0 == timeBase.denom)
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{
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kern_return_t err = mach_timebase_info(&timeBase);
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if (0 != err)
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return 0;
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}
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uint64_t nanoTime = absoluteTime * timeBase.numer / timeBase.denom;
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return nanoTime/(1000*1000);
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}
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#endif
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#endif |