TimeLog_dh.c

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//       Ifpack: Object-Oriented Algebraic Preconditioner Package
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#include "TimeLog_dh.h"
#include "Timer_dh.h"
#include "Mem_dh.h"

#define MAX_TIME_MARKS  100
#define MAX_DESC_LENGTH 60

struct _timeLog_dh
{
  int first;
  int last;
  double time[MAX_TIME_MARKS];
  char desc[MAX_TIME_MARKS][MAX_DESC_LENGTH];
  Timer_dh timer;
};

#undef __FUNC__
#define __FUNC__ "TimeLog_dhCreate"
void
TimeLog_dhCreate (TimeLog_dh * t)
{
  START_FUNC_DH int i;
  struct _timeLog_dh *tmp =
    (struct _timeLog_dh *) MALLOC_DH (sizeof (struct _timeLog_dh));
  CHECK_V_ERROR;
  *t = tmp;
  tmp->first = tmp->last = 0;
  Timer_dhCreate (&tmp->timer);
  for (i = 0; i < MAX_TIME_MARKS; ++i)
    strcpy (tmp->desc[i], "X");
END_FUNC_DH}

#undef __FUNC__
#define __FUNC__ "TimeLog_dhDestroy"
void
TimeLog_dhDestroy (TimeLog_dh t)
{
  START_FUNC_DH Timer_dhDestroy (t->timer);
  FREE_DH (t);
END_FUNC_DH}


#undef __FUNC__
#define __FUNC__ "TimeLog_dhStart"
void
TimeLog_dhStart (TimeLog_dh t)
{
  START_FUNC_DH Timer_dhStart (t->timer);
END_FUNC_DH}

#undef __FUNC__
#define __FUNC__ "TimeLog_dhStop"
void
TimeLog_dhStop (TimeLog_dh t)
{
  START_FUNC_DH Timer_dhStop (t->timer);
END_FUNC_DH}

#undef __FUNC__
#define __FUNC__ "TimeLog_dhMark"
void
TimeLog_dhMark (TimeLog_dh t, char *desc)
{
  START_FUNC_DH if (t->last < MAX_TIME_MARKS - 3)
    {
/*     SET_V_ERROR("overflow; please increase MAX_TIME_MARKS and recompile"); */
      Timer_dhStop (t->timer);
      t->time[t->last] = Timer_dhReadWall (t->timer);
      Timer_dhStart (t->timer);
      sprintf (t->desc[t->last], desc);
      t->last += 1;
    }
END_FUNC_DH}

#undef __FUNC__
#define __FUNC__ "TimeLog_dhReset"
void
TimeLog_dhReset (TimeLog_dh t)
{
  START_FUNC_DH if (t->last < MAX_TIME_MARKS - 2)
    {
      double total = 0.0;
      int i, first = t->first, last = t->last;
      for (i = first; i < last; ++i)
  total += t->time[i];
      t->time[last] = total;
      sprintf (t->desc[last], "========== totals, and reset ==========\n");
      t->last += 1;
      t->first = t->last;
      Timer_dhStart (t->timer);
    }
END_FUNC_DH}


#undef __FUNC__
#define __FUNC__ "TimeLog_dhPrint"
void
TimeLog_dhPrint (TimeLog_dh t, FILE * fp, bool allPrint)
{
  START_FUNC_DH int i;
  double total = 0.0;
  double timeMax[MAX_TIME_MARKS];
  double timeMin[MAX_TIME_MARKS];
  static bool wasSummed = false;


  if (!wasSummed)
    {
      for (i = t->first; i < t->last; ++i)
  total += t->time[i];
      t->time[t->last] = total;
      sprintf (t->desc[t->last], "========== totals, and reset ==========\n");
      t->last += 1;

      MPI_Allreduce (t->time, timeMax, t->last, MPI_DOUBLE, MPI_MAX, comm_dh);
      MPI_Allreduce (t->time, timeMin, t->last, MPI_DOUBLE, MPI_MIN, comm_dh);
      wasSummed = true;
    }

  if (fp != NULL)
    {
      if (myid_dh == 0 || allPrint)
  {
    fprintf (fp,
       "\n----------------------------------------- timing report\n");
    fprintf (fp, "\n   self     max     min\n");
    for (i = 0; i < t->last; ++i)
      {
        fprintf (fp, "%7.3f %7.3f %7.3f   #%s\n", t->time[i],
           timeMax[i], timeMin[i], t->desc[i]);
      }
    fflush (fp);
  }
    }       /* if (fp != NULL) */
END_FUNC_DH}