TimerIndexed

Timer

Description: A nice little profiling utility

Source file: …\genesis3d\OpenSource\Source\timer.h

Contents:

Functions: Start, Stop

Variables: view

Macros: view

Tutorial: view

Changes for Genesis3D v1.6: None

Variables:

extern FILE * timerFP;

extern int timerCount;

extern double time_Master;

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Macros:

#ifdef DO_TIMER

#pragma message("timer ON")

#define TIMER_VARS(func) static double time_##func =0.0; static tsc_type tsc_##func##1,tsc_##func##2;

#define TIMER_P(func) readTSC(tsc_##func##1)

#define TIMER_Q(func) do { readTSC(tsc_##func##2); time_##func += diffTSC(tsc_##func##1,tsc_##func##2); } while(0)

#define TIMER_REPORT(func) fprintf(timerFP,"%-20s : %1.6f : %2.1f %%\n", (#func) , (time_##func)/(double)timerCount , (time_##func)*100.0/(time_Master) );

#define TIMER_COUNT() timerCount++

#define TIMER_START() Timer_Start();

#define TIMER_STOP() Timer_Stop();

#else

#pragma message("timer OFF")

#define TIMER_VARS(func)

#define TIMER_P(func)

#define TIMER_Q(func)

#define TIMER_REPORT(func)

#define TIMER_COUNT()

#define TIMER_START()

#define TIMER_STOP()

#endif

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Tutorial:

//example usage:

TIMER_VARS(test1);
TIMER_VARS(test2);

int main(int argc, char *argv[])

int i,j;


  timerFP = stdout;
  TIMER_START();
   TIMER_P(test1);
   for(i=0;i<1000;i++)
  {
   TIMER_P(test2);
   j = 99/(i+1);
   TIMER_Q(test2);
  }
   
  TIMER_Q(test1);

 TIMER_COUNT();
 TIMER_STOP();

 TIMER_REPORT(test2);
 TIMER_REPORT(test1);

return 0;
}

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Functions:

extern void Timer_Start(void);

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extern void Timer_Stop(void);

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