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pre-master-46
Holger Vogt 10 months ago
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ed80400661
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3464f4af2c
1 changed files with 159 additions and 159 deletions
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  1. 318
      src/misc/misc_time.c

318
src/misc/misc_time.c
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@ -1,159 +1,159 @@
/**********
Copyright 1990 Regents of the University of California. All rights reserved.
**********/
/*
* Date and time utility functions
*/
#include "ngspice/ngspice.h"
#include <string.h>
#if defined(HAS_WINGUI) || defined(__MINGW32__) || defined(_MSC_VER)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#ifndef HAVE_GETTIMEOFDAY
#include <winsock2.h>
#include <stdint.h> // portable: uint64_t MSVC: __int64
/*/ MSVC defines this in winsock2.h!?
typedef struct timeval {
long tv_sec;
long tv_usec;
} timeval;
*/
int gettimeofday(struct timeval * tp, void * unused)
{
NG_IGNORE(unused);
// Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's
// This magic number is the number of 100 nanosecond intervals since January 1, 1601 (UTC)
// until 00:00:00 January 1, 1970
static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL);
SYSTEMTIME system_time;
FILETIME file_time;
uint64_t time;
GetSystemTime( &system_time );
SystemTimeToFileTime( &system_time, &file_time );
time = ((uint64_t)file_time.dwLowDateTime ) ;
time += ((uint64_t)file_time.dwHighDateTime) << 32;
tp->tv_sec = (long) ((time - EPOCH) / 10000000L);
tp->tv_usec = (long) (system_time.wMilliseconds * 1000);
return 0;
}
#endif
#endif
#include "misc_time.h"
#ifdef USE_OMP
#include <omp.h>
#endif
/* Return the date. Return value is static data. */
char *
datestring(void)
{
#ifdef HAVE_LOCALTIME
static char tbuf[45];
struct tm *tp;
char *ap;
size_t i;
time_t tloc;
time(&tloc);
tp = localtime(&tloc);
ap = asctime(tp);
(void) sprintf(tbuf, "%.20s", ap);
(void) strcat(tbuf, ap + 19);
i = strlen(tbuf);
tbuf[i - 1] = '\0';
return (tbuf);
#else
return ("today");
#endif
}
/* return time interval in seconds and milliseconds */
PerfTime timebegin;
void timediff(PerfTime *now, PerfTime *begin, int *sec, int *msec)
{
*msec = (int) now->milliseconds - (int) begin->milliseconds;
*sec = (int) now->seconds - (int) begin->seconds;
if (*msec < 0) {
*msec += 1000;
(*sec)--;
}
return;
}
/*
* How many seconds have elapsed in running time.
* This is the routine called in IFseconds
*/
double
seconds(void)
{
#ifdef USE_OMP
// Usage of OpenMP time function
return(omp_get_wtime() - timebegin.secs);
#elif defined(HAVE_QUERYPERFORMANCECOUNTER)
// Windows (MSC and mingw) specific implementation
LARGE_INTEGER frequency, counter;
QueryPerformanceFrequency(&frequency);
QueryPerformanceCounter(&counter);
return ((double)counter.QuadPart / frequency.QuadPart - timebegin.secs);
#elif defined(HAVE_CLOCK_GETTIME)
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return (ts.tv_sec + ts.tv_nsec / 1e9 - timebegin.secs);
#elif defined(HAVE_GETTIMEOFDAY)
// Usage of gettimeofday
struct timeval tv;
gettimeofday(&tv, NULL);
return (tv.tv_sec + tv.tv_usec / 1e6 - timebegin.secs);
#elif defined(HAVE_FTIME)
// Usage of ftime
struct timeb tb;
PerfTime timenow;
int sec, msec;
ftime(&tb);
timenow.seconds = tb.time;
timenow.milliseconds = tb.millitm;
timediff(&timenow, &timebegin, &sec, &msec);
return(sec + (double) msec / 1000.0);
#elif defined(HAVE_TIMES)
// Usage of times
struct tms tmsbuf;
clock_t ticks = times(&tmsbuf);
return((double) tmsbuf.tms_utime / HZ);
#elif defined(HAVE_GETRUSAGE)
// Usage of getrusage
struct rusage ruse;
getrusage(RUSAGE_SELF, &ruse);
return ((double)ruse.ru_utime.tv_sec + (double) ruse.ru_utime.tv_usec / 1000000.0);
#else
#error "No timer function available."
#endif
}
void perf_timer_get_time(PerfTime *time)
{
time->secs = seconds();
time->seconds = (int)time->secs;
time->milliseconds = (int)((time->secs - time->seconds) * 1000.0);
}
/**********
Copyright 1990 Regents of the University of California. All rights reserved.
**********/
/*
* Date and time utility functions
*/
#include "ngspice/ngspice.h"
#include <string.h>
#if defined(HAS_WINGUI) || defined(__MINGW32__) || defined(_MSC_VER)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#ifndef HAVE_GETTIMEOFDAY
#include <winsock2.h>
#include <stdint.h> // portable: uint64_t MSVC: __int64
/*/ MSVC defines this in winsock2.h!?
typedef struct timeval {
long tv_sec;
long tv_usec;
} timeval;
*/
int gettimeofday(struct timeval * tp, void * unused)
{
NG_IGNORE(unused);
// Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's
// This magic number is the number of 100 nanosecond intervals since January 1, 1601 (UTC)
// until 00:00:00 January 1, 1970
static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL);
SYSTEMTIME system_time;
FILETIME file_time;
uint64_t time;
GetSystemTime( &system_time );
SystemTimeToFileTime( &system_time, &file_time );
time = ((uint64_t)file_time.dwLowDateTime ) ;
time += ((uint64_t)file_time.dwHighDateTime) << 32;
tp->tv_sec = (long) ((time - EPOCH) / 10000000L);
tp->tv_usec = (long) (system_time.wMilliseconds * 1000);
return 0;
}
#endif
#endif
#include "misc_time.h"
#ifdef USE_OMP
#include <omp.h>
#endif
/* Return the date. Return value is static data. */
char *
datestring(void)
{
#ifdef HAVE_LOCALTIME
static char tbuf[45];
struct tm *tp;
char *ap;
size_t i;
time_t tloc;
time(&tloc);
tp = localtime(&tloc);
ap = asctime(tp);
(void) sprintf(tbuf, "%.20s", ap);
(void) strcat(tbuf, ap + 19);
i = strlen(tbuf);
tbuf[i - 1] = '\0';
return (tbuf);
#else
return ("today");
#endif
}
/* return time interval in seconds and milliseconds */
PerfTime timebegin;
void timediff(PerfTime *now, PerfTime *begin, int *sec, int *msec)
{
*msec = (int) now->milliseconds - (int) begin->milliseconds;
*sec = (int) now->seconds - (int) begin->seconds;
if (*msec < 0) {
*msec += 1000;
(*sec)--;
}
return;
}
/*
* How many seconds have elapsed in running time.
* This is the routine called in IFseconds
*/
double
seconds(void)
{
#ifdef USE_OMP
// Usage of OpenMP time function
return(omp_get_wtime() - timebegin.secs);
#elif defined(HAVE_QUERYPERFORMANCECOUNTER)
// Windows (MSC and mingw) specific implementation
LARGE_INTEGER frequency, counter;
QueryPerformanceFrequency(&frequency);
QueryPerformanceCounter(&counter);
return ((double)counter.QuadPart / frequency.QuadPart - timebegin.secs);
#elif defined(HAVE_CLOCK_GETTIME)
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return (ts.tv_sec + ts.tv_nsec / 1e9 - timebegin.secs);
#elif defined(HAVE_GETTIMEOFDAY)
// Usage of gettimeofday
struct timeval tv;
gettimeofday(&tv, NULL);
return (tv.tv_sec + tv.tv_usec / 1e6 - timebegin.secs);
#elif defined(HAVE_FTIME)
// Usage of ftime
struct timeb tb;
PerfTime timenow;
int sec, msec;
ftime(&tb);
timenow.seconds = tb.time;
timenow.milliseconds = tb.millitm;
timediff(&timenow, &timebegin, &sec, &msec);
return(sec + (double) msec / 1000.0);
#elif defined(HAVE_TIMES)
// Usage of times
struct tms tmsbuf;
clock_t ticks = times(&tmsbuf);
return((double) tmsbuf.tms_utime / HZ);
#elif defined(HAVE_GETRUSAGE)
// Usage of getrusage
struct rusage ruse;
getrusage(RUSAGE_SELF, &ruse);
return ((double)ruse.ru_utime.tv_sec + (double) ruse.ru_utime.tv_usec / 1000000.0);
#else
#error "No timer function available."
#endif
}
void perf_timer_get_time(PerfTime *time)
{
time->secs = seconds();
time->seconds = (int)time->secs;
time->milliseconds = (int)((time->secs - time->seconds) * 1000.0);
}
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