Imported libSDF into VOID tree

This commit is contained in:
Guilhem Lavaux 2013-02-27 13:27:23 -05:00
parent c6dd08bd7d
commit 2d09cb68df
55 changed files with 12667 additions and 0 deletions

View file

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#include <time.h>
#include "mpmy_time.h"
#include "Malloc.h"
#include "chn.h"
static Chn timer_chn;
static int initialized;
typedef struct {
int type;
struct timespec cpu_start;
double cpu_accum;
struct timespec wc_start;
double wc_accum;
} MPMY_Timer;
void *MPMY_CreateTimer(int type){
MPMY_Timer *ret;
if( initialized == 0 ){
ChnInit(&timer_chn, sizeof(MPMY_Timer), 40, Realloc_f);
initialized = 1;
}
ret = ChnAlloc(&timer_chn);
ret->type = type;
MPMY_ClearTimer(ret);
return (void *)ret;
}
int MPMY_DestroyTimer(void *p){
ChnFree(&timer_chn, p);
return MPMY_SUCCESS;
}
int MPMY_StartTimer(void *p){
MPMY_Timer *t = p;
switch(t->type){
case MPMY_CPU_TIME:
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &t->cpu_start);
break;
case MPMY_WC_TIME:
clock_gettime(CLOCK_REALTIME, &t->wc_start);
break;
}
return MPMY_SUCCESS;
}
int MPMY_StopTimer(void *p){
MPMY_Timer *t = p;
struct timespec tnow;
switch(t->type){
case MPMY_CPU_TIME:
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &tnow);
t->cpu_accum += (tnow.tv_sec - t->cpu_start.tv_sec) + (tnow.tv_nsec - t->cpu_start.tv_nsec) * 1e-9;
break;
case MPMY_WC_TIME:
clock_gettime(CLOCK_REALTIME, &tnow);
t->wc_accum += (tnow.tv_sec - t->wc_start.tv_sec) + (tnow.tv_nsec - t->wc_start.tv_nsec) * 1e-9;
break;
}
return MPMY_SUCCESS;
}
int MPMY_ClearTimer(void *p){
MPMY_Timer *t = p;
t->cpu_accum = 0.0;
t->wc_accum = 0.0;
return MPMY_SUCCESS;
}
double MPMY_ReadTimer(void *p){
MPMY_Timer *t = p;
switch(t->type){
case MPMY_CPU_TIME:
return t->cpu_accum;
case MPMY_WC_TIME:
return t->wc_accum;
}
return -1.0;
}