daScript/src/hal/performance_time.cpp at master · throwthisaway/daScript · GitHub

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#include "daScript/misc/platform.h"

#include "daScript/misc/performance_time.h"

#if DAS_PROFILE_SECTIONS

namespace das {

ProfileSection::ProfileSection(const char * n) {

name = n;

timeStamp = ref_time_ticks();

}

ProfileSection::~ProfileSection() {

int usec = get_time_usec(timeStamp);

printf("\"%s\", %.4f\n", name ? name : "unspecified", usec / 1000000.0f);

}

#endif

#ifdef _MSC_VER

#define WIN32_LEAN_AND_MEAN

#include <windows.h>

extern "C" int64_t ref_time_ticks () {

LARGE_INTEGER t0;

QueryPerformanceCounter(&t0);

return t0.QuadPart;

}

extern "C" int get_time_usec ( int64_t reft ) {

int64_t t0 = ref_time_ticks();

LARGE_INTEGER freq;

QueryPerformanceFrequency(&freq);

return int((t0-reft)*1000000LL/freq.QuadPart);

}

extern "C" int64_t get_time_nsec ( int64_t reft ) {

int64_t t0 = ref_time_ticks();

LARGE_INTEGER freq;

QueryPerformanceFrequency(&freq);

return int64_t((t0-reft)*1000000000LL/freq.QuadPart);

}

#elif __linux__ || defined(_EMSCRIPTEN_VER)

#include <time.h>

const uint64_t NSEC_IN_SEC = 1000000000LL;

extern "C" int64_t ref_time_ticks () {

timespec ts;

if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) {

DAS_ASSERT(false);

return -1;

}

return ts.tv_sec * NSEC_IN_SEC + ts.tv_nsec;

}

extern "C" int get_time_usec ( int64_t reft ) {

return int((ref_time_ticks() - reft) / (NSEC_IN_SEC/1000000LL));

}

extern "C" int64_t get_time_nsec ( int64_t reft ) {

return ref_time_ticks() - reft;

}

#else // osx

#include <time.h>

extern "C" int64_t ref_time_ticks() {

return clock_gettime_nsec_np(CLOCK_MONOTONIC_RAW);

}

extern "C" int get_time_usec ( int64_t reft ) {

return (clock_gettime_nsec_np(CLOCK_MONOTONIC_RAW) - reft)/1000LL;

}

extern "C" int64_t get_time_nsec ( int64_t reft ) {

return clock_gettime_nsec_np(CLOCK_MONOTONIC_RAW) - reft;

}

#endif

daScript/src/hal/performance_time.cpp at master · throwthisaway/daScript · GitHub

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