PerformanceData.h
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// add the following to a cpp file:
// PerformanceData PD;
#pragma once
#include <ostream>
using namespace std;
enum PerformanceDataType
{
PD_DISPLAY=0,
PD_SPS,
PD_UNUSED0,
//my stuff
SIMULATE_SPECTRUM,
SIMULATE_GPU,
KRAMERS_KRONIG,
//end my stuff
PERFORMANCE_DATA_TYPE_COUNT
};
static char PDTypeNames[][255] = {
"Display ",
"Simulation Total ",
" ----------------- ",
//my stuff
"Simulate Spectrum ",
" GPU Portion ",
"Kramers-Kronig ",
//end my stuff
};
#ifdef WIN32
#include <stdio.h>
#include <windows.h>
#include <float.h>
#include <iostream>
#include <iomanip>
//-------------------------------------------------------------------------------
class PerformanceData
{
public:
PerformanceData() {
ClearAll();
QueryPerformanceFrequency(&cps);
}
~PerformanceData() {}
void ClearAll()
{
for ( int i=0; i<PERFORMANCE_DATA_TYPE_COUNT; i++ ) {
for ( int j=0; j<256; j++ ) times[i][j] = 0;
pos[i] = 0;
minTime[i] = 0xFFFFFFFF;
maxTime[i] = 0;
totalTime[i] = 0;
dataReady[i] = false;
}
}
void StartTimer( int type ) {
QueryPerformanceCounter( &startTime[type] );
}
void EndTimer( int type ) {
LARGE_INTEGER endTime;
QueryPerformanceCounter( &endTime );
double t = (double)(endTime.QuadPart - startTime[type].QuadPart);
//unsigned int t = GetTickCount() - startTime[type];
if ( t < minTime[type] ) minTime[type] = t;
if ( t > maxTime[type] ) maxTime[type] = t;
totalTime[type] -= times[type][ pos[type] ];
times[type][ pos[type] ] = t;
totalTime[type] += t;
pos[type]++;
if ( pos[type] == 0 ) dataReady[type] = true;
}
void PrintResult( ostream &os,int i=PERFORMANCE_DATA_TYPE_COUNT)
{
os.setf(ios::fixed);
if ((i<PERFORMANCE_DATA_TYPE_COUNT)&&(i>=0)) {
double a = GetAvrgTime(i);
if ( a )
os<< PDTypeNames[i]<<" : avrg="<<setw(8)<<setprecision(3)<<a<<"\tmin="<<setw(8)<<setprecision(3)<< GetMinTime(i) <<"\tmax="<<setw(8)<<setprecision(3)<< GetMaxTime(i) <<endl ;
else
os<< PDTypeNames[i]<<" : avrg= -----\tmin= -----\tmax= -----"<<endl;
}
}
void PrintResults( ostream &os)
{
for ( int i=0; i<PERFORMANCE_DATA_TYPE_COUNT; i++ )
PrintResult(os,i);
}
double GetLastTime( int type ) {
return times[type][pos[type]];
}
double GetAvrgTime( int type ) {
double a = 1000.0 * totalTime[type] / (float)cps.QuadPart / ( (dataReady[type]) ? 256.0 : (double)pos[type] );
return (_finite(a))? a:0;
}
double GetMinTime( int type ) {
return 1000.0 * minTime[type] / (float)cps.LowPart;
}
double GetMaxTime( int type ) {
return 1000.0 * maxTime[type] / (float)cps.LowPart;
}
private:
double times[PERFORMANCE_DATA_TYPE_COUNT][256];
unsigned char pos[PERFORMANCE_DATA_TYPE_COUNT];
LARGE_INTEGER startTime[PERFORMANCE_DATA_TYPE_COUNT];
double minTime[ PERFORMANCE_DATA_TYPE_COUNT ];
double maxTime[ PERFORMANCE_DATA_TYPE_COUNT ];
double totalTime[ PERFORMANCE_DATA_TYPE_COUNT ];
bool dataReady[ PERFORMANCE_DATA_TYPE_COUNT ];
LARGE_INTEGER cps;
};
//-------------------------------------------------------------------------------
#else
class PerformanceData {
public:
PerformanceData() {
;
};
~PerformanceData() {
;
};
void ClearAll() {
;
};
void StartTimer( int type ) {
;
};
void EndTimer( int type ) {
;
};
void PrintResults( ostream &os) {
;
};
void PrintResult( ostream &os, int i=PERFORMANCE_DATA_TYPE_COUNT) {
;
};
double GetLastTime( int type ) {
return 0.0;
};
double GetAvrgTime( int type ) {
return 0.0;
};
double GetMinTime( int type ) {
return 0.0;
};
double GetMaxTime( int type ) {
return 0.0;
};
};
#endif
//-------------------------------------------------------------------------------
extern PerformanceData PD;
//-------------------------------------------------------------------------------