-// a milliseconds timer for performance measurement
-uint64_t msclock() {
-#if defined(_WIN32)
- #include <sys/types.h>
-
- // WORKAROUND FOR MinGW (some versions - use if normal code does not compile)
- // It has no _ftime_s and needs explicit inclusion of timeb.h
- #include <sys/timeb.h>
- struct _timeb t;
- _ftime(&t);
- return 1000 * t.time + t.millitm;
-
- // NORMAL CODE (use _ftime_s)
- //struct _timeb t;
- //if (_ftime_s(&t)) {
- // return 0;
- //} else {
- // return 1000 * t.time + t.millitm;
- //}
-#else
- struct timespec t;
- clock_gettime(CLOCK_MONOTONIC, &t);
- return (t.tv_sec * 1000 + t.tv_nsec / 1000000);
-#endif
-}