C++ (Cpp) vt_metric_real_cyc示例

示例#1

文件： vt_pform_crayxe.c 项目： Niharikareddy/cce-mpi-openmpi-1.6.4

/* local or global wall-clock time */
uint64_t vt_pform_wtime() {
#if TIMER == TIMER_CYCLE_COUNTER
# ifdef _CRAYC
    return (uint64_t)_rtc();
# else
    uint64_t clock_value;
    uint32_t low = 0;
    uint32_t high = 0;
    asm volatile ("rdtsc" : "=a" (low), "=d" (high));
    clock_value = ((uint64_t)high << 32) | (uint64_t)low;
    return clock_value;
# endif
#elif TIMER == TIMER_CLOCK_GETTIME
  struct timespec tp;
  clock_gettime(CLOCK_REALTIME, &tp);
  return ((tp.tv_sec - vt_time_base) * 1000000000LL) + tp.tv_nsec;
#elif TIMER == TIMER_GETTIMEOFDAY
  struct timeval tp;
  gettimeofday(&tp, 0);
  return ((tp.tv_sec - vt_time_base) * 1000000LL) + tp.tv_usec;
#elif TIMER == TIMER_PAPI_REAL_CYC
  return vt_metric_real_cyc();
#elif TIMER == TIMER_PAPI_REAL_USEC
  return vt_metric_real_usec() - vt_time_base;
#endif
}

示例#2

文件： vt_pform_bgl.c 项目： Dissolubilis/ompi-svn-mirror

/* local or global wall-clock time */
uint64_t vt_pform_wtime() {
#if TIMER == TIMER_RTS_GET_TIMEBASE
  return (uint64_t)rts_get_timebase();
#elif TIMER == TIMER_PAPI_REAL_CYC
  return vt_metric_real_cyc();
#elif TIMER == TIMER_PAPI_REAL_USEC
  return vt_metric_real_usec() - vt_time_base;
#endif
}

示例#3

文件： vt_pform_sun.c 项目： bringhurst/ompi

/* local or global wall-clock time */
uint64_t vt_pform_wtime() {
#if TIMER == TIMER_GETHRTIME
  return (uint64_t)gethrtime();
#elif TIMER == TIMER_PAPI_REAL_CYC
  return vt_metric_real_cyc();
#elif TIMER == TIMER_PAPI_REAL_USEC
  return vt_metric_real_usec() - vt_time_base;
#endif
}

示例#4

文件： vt_pform_bgp.c 项目： 315234/OpenFOAM-2.2.x-OSX

/* local or global wall-clock time in seconds */
uint64_t vt_pform_wtime() {
#if TIMER == TIMER_BGP_GET_TIMEBASE
  return (uint64_t)_bgp_GetTimeBase();
#elif TIMER == TIMER_PAPI_REAL_CYC
  return vt_metric_real_cyc();
#elif TIMER == TIMER_PAPI_REAL_USEC
  return vt_metric_real_usec() - vt_time_base;
#endif
}

示例#5

文件： vt_pform_generic.c 项目： Dissolubilis/ompi-svn-mirror

/* local or global wall-clock time */
uint64_t vt_pform_wtime() {
#if TIMER == TIMER_GETTIMEOFDAY
  struct timeval tp;
  gettimeofday(&tp, 0);
  return ((tp.tv_sec - vt_time_base) * 1000000LL) + tp.tv_usec;
#elif TIMER == TIMER_PAPI_REAL_CYC
  return vt_metric_real_cyc();
#elif TIMER == TIMER_PAPI_REAL_USEC
  return vt_metric_real_usec() - vt_time_base;
#endif
}

示例#6

文件： vt_pform_altix.c 项目： Dissolubilis/ompi-svn-mirror

/* local or global wall-clock time */
uint64_t vt_pform_wtime() {
#if TIMER == TIMER_MMTIMER
  return *mmdev_timer_addr;
#elif TIMER == TIMER_CLOCK_GETTIME
  struct timespec tp;
  clock_gettime(CLOCK_REALTIME, &tp);
  return ((tp.tv_sec - vt_time_base) * 1000000000LL) + tp.tv_nsec;
#elif TIMER == TIMER_PAPI_REAL_CYC
  return vt_metric_real_cyc();
#elif TIMER == TIMER_PAPI_REAL_USEC
  return vt_metric_real_usec() - vt_time_base;
#endif
}

示例#7

文件： vt_pform_ibm.c 项目： bringhurst/ompi

/* local or global wall-clock time */
uint64_t vt_pform_wtime() {
#if TIMER == TIMER_SWITCH_CLOCK
  int i;
  int64_t t;
  for (i=0; i<NUMRETRY; i++) {
    if ( (t = swclockRead(vt_swclk)) != -1 ) return t;
  }
  return 0;
#elif TIMER == TIMER_POWER_REALTIME
  timebasestruct_t t;
  read_real_time(&t, TIMEBASE_SZ);
  time_base_to_time(&t, TIMEBASE_SZ);
  return ((t.tb_high - vt_time_base) * 1e9) + t.tb_low;
#elif TIMER == TIMER_PAPI_REAL_CYC
  return vt_metric_real_cyc();
#elif TIMER == TIMER_PAPI_REAL_USEC
  return vt_metric_real_usec() - vt_time_base;
#endif
}