OpenAD/code_shallow_openad/timeRatio.c

#include <sys/time.h>
#include <stdio.h>

void timeratio_() { 
  /* three invocations produce
     the ratio of the timedifference of 
     the 3rd vs. the 2nd invocation over
     the difference of the 2nd vs. the 1st invocation
  */
  static short stage=0;
  #define tvCount 3
  static struct timeval tv_a[tvCount];
  double deltaThis, deltaPrevious;
  if (stage<tvCount) 
    gettimeofday(&(tv_a[stage]),0);
  printf("JU: TIMING: stamp %i: %i.%06i\n",
         stage,
         tv_a[stage].tv_sec,
         tv_a[stage].tv_usec);
  if (stage>0) 
    printf("JU: TIMING: delta stamps %i-%i: %i.%06i\n",
           stage,
           stage-1,
           (tv_a[stage].tv_usec<tv_a[stage-1].tv_usec)?tv_a[stage].tv_sec-tv_a[stage-1].tv_sec-1:tv_a[stage].tv_sec-tv_a[stage-1].tv_sec,
           (tv_a[stage].tv_usec<tv_a[stage-1].tv_usec)?1000000-(tv_a[stage-1].tv_usec-tv_a[stage].tv_usec):tv_a[stage].tv_usec-tv_a[stage-1].tv_usec);
  if (stage==tvCount-1 && stage>1) { 
    deltaThis=(tv_a[stage].tv_usec<tv_a[stage-1].tv_usec)?tv_a[stage].tv_sec-tv_a[stage-1].tv_sec-1:tv_a[stage].tv_sec-tv_a[stage-1].tv_sec;
    deltaThis*=1.0e6;
    deltaThis+=(tv_a[stage].tv_usec<tv_a[stage-1].tv_usec)?1000000-(tv_a[stage-1].tv_usec-tv_a[stage].tv_usec):tv_a[stage].tv_usec-tv_a[stage-1].tv_usec;
    deltaPrevious=(tv_a[stage-1].tv_usec<tv_a[stage-2].tv_usec)?tv_a[stage-1].tv_sec-tv_a[stage-2].tv_sec-1:tv_a[stage-1].tv_sec-tv_a[stage-2].tv_sec;
    deltaPrevious*=1.0e6;
    deltaPrevious+=(tv_a[stage-1].tv_usec<tv_a[stage-2].tv_usec)?1000000-(tv_a[stage-2].tv_usec-tv_a[stage-1].tv_usec):tv_a[stage-1].tv_usec-tv_a[stage-2].tv_usec;
    printf("JU: TIMING: ratio stamps (%i-%i)/(%i-%i): %e/%e=%e\n",
           stage,
           stage-1,
           stage-1,
           stage-2,
           deltaThis,
           deltaPrevious,
           deltaThis/deltaPrevious);
    stage=0;  
  }
  else
    stage++;
}
1	utke	1.1	#include <sys/time.h>
2			#include <stdio.h>
3
4			void timeratio_() {
5			/* three invocations produce
6			the ratio of the timedifference of
7			the 3rd vs. the 2nd invocation over
8			the difference of the 2nd vs. the 1st invocation
9			*/
10			static short stage=0;
11			#define tvCount 3
12			static struct timeval tv_a[tvCount];
13			double deltaThis, deltaPrevious;
14			if (stage<tvCount)
15			gettimeofday(&(tv_a[stage]),0);
16			printf("JU: TIMING: stamp %i: %i.%06i\n",
17			stage,
18			tv_a[stage].tv_sec,
19			tv_a[stage].tv_usec);
20			if (stage>0)
21			printf("JU: TIMING: delta stamps %i-%i: %i.%06i\n",
22			stage,
23			stage-1,
24			(tv_a[stage].tv_usec<tv_a[stage-1].tv_usec)?tv_a[stage].tv_sec-tv_a[stage-1].tv_sec-1:tv_a[stage].tv_sec-tv_a[stage-1].tv_sec,
25			(tv_a[stage].tv_usec<tv_a[stage-1].tv_usec)?1000000-(tv_a[stage-1].tv_usec-tv_a[stage].tv_usec):tv_a[stage].tv_usec-tv_a[stage-1].tv_usec);
26			if (stage==tvCount-1 && stage>1) {
27			deltaThis=(tv_a[stage].tv_usec<tv_a[stage-1].tv_usec)?tv_a[stage].tv_sec-tv_a[stage-1].tv_sec-1:tv_a[stage].tv_sec-tv_a[stage-1].tv_sec;
28			deltaThis*=1.0e6;
29			deltaThis+=(tv_a[stage].tv_usec<tv_a[stage-1].tv_usec)?1000000-(tv_a[stage-1].tv_usec-tv_a[stage].tv_usec):tv_a[stage].tv_usec-tv_a[stage-1].tv_usec;
30			deltaPrevious=(tv_a[stage-1].tv_usec<tv_a[stage-2].tv_usec)?tv_a[stage-1].tv_sec-tv_a[stage-2].tv_sec-1:tv_a[stage-1].tv_sec-tv_a[stage-2].tv_sec;
31			deltaPrevious*=1.0e6;
32			deltaPrevious+=(tv_a[stage-1].tv_usec<tv_a[stage-2].tv_usec)?1000000-(tv_a[stage-2].tv_usec-tv_a[stage-1].tv_usec):tv_a[stage-1].tv_usec-tv_a[stage-2].tv_usec;
33			printf("JU: TIMING: ratio stamps (%i-%i)/(%i-%i): %e/%e=%e\n",
34			stage,
35			stage-1,
36			stage-1,
37			stage-2,
38			deltaThis,
39			deltaPrevious,
40			deltaThis/deltaPrevious);
41			stage=0;
42			}
43			else
44			stage++;
45			}