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profile.c
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profile.c
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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <assert.h>
#include <mpi.h>
#include "profile.h"
#ifdef MEMWATCH
#include "memwatch.h"
#endif
/* global vars to use in profiling*/
static double GlobalProfileCurrTime[NUM_PROFILE_TAGS];
static double GlobalProfileTotTime[NUM_PROFILE_TAGS];
static double GlobalMinTimeBase;
static int isRunningProfileTag[NUM_PROFILE_TAGS];
static int ProfileInitFlag = 1;
#ifdef PROFILE_TIMESERIES
static double *GlobalProfileStartTime[NUM_PROFILE_TAGS];
static double *GlobalProfileStopTime[NUM_PROFILE_TAGS];
static long NGlobalProfileStartStopTimeBase[NUM_PROFILE_TAGS];
static long NGlobalProfileStartStopTime[NUM_PROFILE_TAGS];
#endif
void printStepTimesProfileTags(FILE *fp, long stepNum, const char *ProfileTagNames[])
{
static int initPrevTimes = 1;
static double prevTimes[NUM_PROFILE_TAGS];
double currTimes[NUM_PROFILE_TAGS];
double time;
long i,j;
int len,totlen=15;
char stepNumName[] = "StepNum";
char sc[100];
if(initPrevTimes)
{
for(i=0;i<NUM_PROFILE_TAGS;++i)
prevTimes[i] = 0.0;
initPrevTimes = 0;
}
//make sure times have stopped
time = MPI_Wtime();
for(i=0;i<NUM_PROFILE_TAGS;++i)
{
if(isRunningProfileTag[i])
currTimes[i] = GlobalProfileTotTime[i] + time;
else
currTimes[i] = GlobalProfileTotTime[i];
}
//error check
assert(fp != NULL);
//print profile tag names
if(ProfileTagNames != NULL)
{
len = strlen(stepNumName);
fprintf(fp,"%s",stepNumName);
if(totlen > len)
for(j=0;j<totlen-len;++j)
fprintf(fp,"%s"," ");
for(i=0;i<NUM_PROFILE_TAGS;++i)
{
len = strlen(ProfileTagNames[i]);
fprintf(fp,"%s",ProfileTagNames[i]);
if(totlen > len)
for(j=0;j<totlen-len;++j)
fprintf(fp,"%s"," ");
}
fprintf(fp,"\n");
fflush(fp);
return;
}
//compute time for step
sprintf(sc,"%ld",stepNum);
len = strlen(sc);
fprintf(fp,"%s",sc);
if(totlen > len)
for(j=0;j<totlen-len;++j)
fprintf(fp,"%s"," ");
for(i=0;i<NUM_PROFILE_TAGS;++i)
fprintf(fp,"%g ",currTimes[i] - prevTimes[i]);
fprintf(fp,"\n");
fflush(fp);
//set prev time to curr time for next step
for(i=0;i<NUM_PROFILE_TAGS;++i)
prevTimes[i] = currTimes[i];
}
double getTimeProfileTag(int tag)
{
if(isRunningProfileTag[tag])
return MPI_Wtime() + GlobalProfileCurrTime[tag];
else
return GlobalProfileCurrTime[tag];
}
#ifdef PROFILE_TIMESERIES
double getTimeProfileTagSeries(int tag)
{
if(isRunningProfileTag[tag])
{
return MPI_Wtime() - GlobalProfileStartTime[tag][NGlobalProfileStartStopTime[tag]];
}
else if(NGlobalProfileStartStopTime[tag] >= 1)
{
return GlobalProfileStopTime[tag][NGlobalProfileStartStopTime[tag]-1] - GlobalProfileStartTime[tag][NGlobalProfileStartStopTime[tag]-1];
}
else
{
return -1.0;
}
}
double getPrevTimeProfileTagSeries(int tag, long NumPrev)
{
long ind;
if(isRunningProfileTag[tag])
ind = NGlobalProfileStartStopTime[tag] - NumPrev;
else
ind = NGlobalProfileStartStopTime[tag] - NumPrev - 1;
if(ind >= 0)
return GlobalProfileStopTime[tag][ind] - GlobalProfileStartTime[tag][ind];
else
return -1.0;
}
#endif
double getTotTimeProfileTag(int tag)
{
double time = 0.0;
if(isRunningProfileTag[tag])
time = MPI_Wtime();
return GlobalProfileTotTime[tag] + time;
}
void logProfileTag(int tag)
{
long i;
double time;
#ifdef PROFILE_TIMESERIES
double *tmp;
const long NProfileAdd = 100;
#endif
if(ProfileInitFlag)
{
for(i=0;i<NUM_PROFILE_TAGS;++i)
{
isRunningProfileTag[i] = 0;
GlobalProfileTotTime[i] = 0.0;
GlobalProfileCurrTime[i] = 0.0;
#ifdef PROFILE_TIMESERIES
NGlobalProfileStartStopTime[i] = 0;
NGlobalProfileStartStopTimeBase[i] = NProfileAdd;
GlobalProfileStartTime[i] = (double*)malloc(sizeof(double)*NProfileAdd);
assert(GlobalProfileStartTime[i] != NULL);
GlobalProfileStopTime[i] = (double*)malloc(sizeof(double)*NProfileAdd);
assert(GlobalProfileStopTime[i] != NULL);
#endif
}
GlobalMinTimeBase = MPI_Wtime();
ProfileInitFlag = 0;
}
if(isRunningProfileTag[tag])
{
time = MPI_Wtime();
GlobalProfileTotTime[tag] += time;
GlobalProfileCurrTime[tag] += time;
#ifdef PROFILE_TIMESERIES
GlobalProfileStopTime[tag][NGlobalProfileStartStopTime[tag]] = time;
NGlobalProfileStartStopTime[tag] += 1;
#endif
isRunningProfileTag[tag] = 0;
#ifdef PROFILE_TIMESERIES
if(NGlobalProfileStartStopTime[tag] >= NGlobalProfileStartStopTimeBase[tag])
{
tmp = (double*)realloc(GlobalProfileStartTime[tag],sizeof(double)*(NGlobalProfileStartStopTimeBase[tag]+NProfileAdd));
assert(tmp != NULL);
GlobalProfileStartTime[tag] = tmp;
tmp = (double*)realloc(GlobalProfileStopTime[tag],sizeof(double)*(NGlobalProfileStartStopTimeBase[tag]+NProfileAdd));
assert(tmp != NULL);
GlobalProfileStopTime[tag] = tmp;
NGlobalProfileStartStopTimeBase[tag] += NProfileAdd;
}
#endif
}
else
{
time = MPI_Wtime();
GlobalProfileTotTime[tag] -= time;
GlobalProfileCurrTime[tag] = -time;
#ifdef PROFILE_TIMESERIES
GlobalProfileStartTime[tag][NGlobalProfileStartStopTime[tag]] = time;
#endif
isRunningProfileTag[tag] = 1;
}
}
void printProfileInfo(const char name[], const char *ProfileTagNames[])
{
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
MPI_Barrier(MPI_COMM_WORLD);
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
/* get info about tasks */
int NTasks,ThisTask;
MPI_Comm_size(MPI_COMM_WORLD,&NTasks);
MPI_Comm_rank(MPI_COMM_WORLD,&ThisTask);
MPI_Status Stat;
char fname[1000];
double currProfileVec[NUM_PROFILE_TAGS];
FILE *fp = NULL;
long i,j,len;
double Glbmin;
const int totlen = 21;
/* get global min time to set base*/
MPI_Allreduce(&GlobalMinTimeBase,&Glbmin,1,MPI_DOUBLE,MPI_MIN,MPI_COMM_WORLD);
#ifdef PROFILE_TIMESERIES
/* print profile info*/
sprintf(fname,"%s.series",name);
remove(fname);
for(len=0;len<NTasks;++len)
{
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
MPI_Barrier(MPI_COMM_WORLD);
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
if(ThisTask == len)
{
fp = fopen(fname,"a");
assert(fp != NULL);
for(i=0;i<NUM_PROFILE_TAGS;++i)
for(j=0;j<NGlobalProfileStartStopTime[i];++j)
fprintf(fp,"%d \t %ld \t %.10e \t %.10e \n",ThisTask,i,GlobalProfileStartTime[i][j]-Glbmin,GlobalProfileStopTime[i][j]-Glbmin);
fflush(fp);
fclose(fp);
}
}
#endif
/* print total times out to file name */
for(j=0;j<NUM_PROFILE_TAGS;++j) //make sure times have stopped
{
if(isRunningProfileTag[j])
currProfileVec[j] = GlobalProfileTotTime[j] + MPI_Wtime();
else
currProfileVec[j] = GlobalProfileTotTime[j];
}
sprintf(fname,"%s.tot",name);
if(ThisTask == 0)
{
remove(fname);
fp = fopen(fname,"w");
assert(fp != NULL);
if(ProfileTagNames != NULL)
{
for(i=0;i<NUM_PROFILE_TAGS;++i)
{
len = strlen(ProfileTagNames[i]);
fprintf(fp,"%s",ProfileTagNames[i]);
if(totlen > len)
for(j=0;j<totlen-len;++j)
fprintf(fp,"%s"," ");
}
fprintf(fp,"\n");
}
for(j=0;j<NUM_PROFILE_TAGS;++j)
fprintf(fp,"%.10e ",currProfileVec[j]);
fprintf(fp,"\n");
}
for(i=1;i<NTasks;++i)
{
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
MPI_Barrier(MPI_COMM_WORLD);
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
if(ThisTask == i)
MPI_Send(currProfileVec,NUM_PROFILE_TAGS,MPI_DOUBLE,0,(int) i,MPI_COMM_WORLD);
else if(ThisTask == 0)
MPI_Recv(currProfileVec,NUM_PROFILE_TAGS,MPI_DOUBLE,(int) i,(int) i,MPI_COMM_WORLD,&Stat);
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
MPI_Barrier(MPI_COMM_WORLD);
/*\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
if(ThisTask == 0)
{
for(j=0;j<NUM_PROFILE_TAGS;++j)
fprintf(fp,"%.10e ",currProfileVec[j]);
fprintf(fp,"\n");
}
}
if(ThisTask == 0)
fclose(fp);
}
void resetProfiler(void)
{
#ifdef PROFILE_TIMESERIES
long i;
for(i=0;i<NUM_PROFILE_TAGS;++i)
{
free(GlobalProfileStartTime[i]);
free(GlobalProfileStopTime[i]);
}
#endif
ProfileInitFlag = 1;
}