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added some information about elapsed fitting times. Corrected some outdated online helps.

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suter_a
2013-01-07 11:54:28 +00:00
parent 55eeeeb740
commit 459a36fa79
5 changed files with 101 additions and 33 deletions
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78
src/classes/PFitter.cpp
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@ -38,11 +38,14 @@
#endif
#include <iostream>
#include <iomanip>
#include <fstream>
#include <limits>
#include <cmath>
using namespace std;
#include <math.h>
#include <sys/time.h>
#include "Minuit2/FunctionMinimum.h"
#include "Minuit2/MnContours.h"
@ -136,6 +139,8 @@ PFitter::~PFitter()
fScanData.clear();
fElapsedTime.clear();
if (fFcnMin) {
delete fFcnMin;
fFcnMin = 0;
@ -1127,10 +1132,15 @@ Bool_t PFitter::ExecuteHesse()
UInt_t maxfcn = numeric_limits<UInt_t>::max();
// call hesse
Double_t start=0.0, end=0.0;
start=MilliTime();
ROOT::Minuit2::MnUserParameterState mnState = hesse((*fFitterFcn), fMnUserParams, maxfcn);
end=MilliTime();
cout << ">> PFitter::ExecuteMinimize(): execution time for Hesse = " << setprecision(3) << (end-start)/1.0e3 << " sec." << endl;
TString str = TString::Format("Hesse: %.3f sec", (end-start)/1.0e3);
fElapsedTime.push_back(str);
if (!mnState.IsValid()) {
cerr << endl << "**WARNING** PFitter::ExecuteHesse(): Hesse encountered some problems!";
cerr << endl << ">> PFitter::ExecuteHesse(): **WARNING** Hesse encountered some problems!";
cerr << endl;
return false;
}
@ -1168,9 +1178,16 @@ Bool_t PFitter::ExecuteMigrad()
UInt_t maxfcn = numeric_limits<UInt_t>::max();
// tolerance = MINUIT2 Default tolerance
Double_t tolerance = 0.1;
// keep track of elapsed time
Double_t start=0.0, end=0.0;
start=MilliTime();
ROOT::Minuit2::FunctionMinimum min = migrad(maxfcn, tolerance);
end=MilliTime();
cout << ">> PFitter::ExecuteMinimize(): execution time for Migrad = " << setprecision(3) << (end-start)/1.0e3 << " sec." << endl;
TString str = TString::Format("Migrad: %.3f sec", (end-start)/1.0e3);
fElapsedTime.push_back(str);
if (!min.IsValid()) {
cerr << endl << "**WARNING**: PFitter::ExecuteMigrad(): Fit did not converge, sorry ...";
cerr << endl << ">> PFitter::ExecuteMigrad(): **WARNING**: Fit did not converge, sorry ...";
cerr << endl;
fIsValid = false;
return false;
@ -1237,9 +1254,16 @@ Bool_t PFitter::ExecuteMinimize()
// tolerance = MINUIT2 Default tolerance
Double_t tolerance = 0.1;
// keep track of elapsed time
Double_t start=0.0, end=0.0;
start = MilliTime();
ROOT::Minuit2::FunctionMinimum min = minimize(maxfcn, tolerance);
end = MilliTime();
cout << ">> PFitter::ExecuteMinimize(): execution time for Minimize = " << setprecision(3) << (end-start)/1.0e3 << " sec." << endl;
TString str = TString::Format("Minimize: %.3f sec", (end-start)/1.0e3);
fElapsedTime.push_back(str);
if (!min.IsValid()) {
cerr << endl << "**WARNING**: PFitter::ExecuteMinimize(): Fit did not converge, sorry ...";
cerr << endl << ">> PFitter::ExecuteMinimize(): **WARNING**: Fit did not converge, sorry ...";
cerr << endl;
fIsValid = false;
return false;
@ -1311,7 +1335,13 @@ Bool_t PFitter::ExecuteMinos()
}
// make minos analysis
Double_t start=0.0, end=0.0;
start=MilliTime();
ROOT::Minuit2::MnMinos minos((*fFitterFcn), (*fFcnMin));
end=MilliTime();
cout << ">> PFitter::ExecuteMinimize(): execution time for Minos = " << setprecision(3) << (end-start)/1.0e3 << " sec." << endl;
TString str = TString::Format("Minos: %.3f sec", (end-start)/1.0e3);
fElapsedTime.push_back(str);
for (UInt_t i=0; i<fParams.size(); i++) {
// only try to call minos if the parameter is not fixed!!
@ -1529,7 +1559,7 @@ Bool_t PFitter::ExecuteSave(Bool_t firstSave)
// check if the user parameter state is valid
if (!mnState.IsValid()) {
cerr << endl << "**WARNING** Minuit2 User Parameter State is not valid, i.e. nothing to be saved";
cerr << endl << ">> PFitter::ExecuteSave: **WARNING** Minuit2 User Parameter State is not valid, i.e. nothing to be saved";
cerr << endl;
return false;
}
@ -1616,10 +1646,21 @@ Bool_t PFitter::ExecuteSave(Bool_t firstSave)
fout << endl << "*************************************************************************";
fout << endl;
// write elapsed times
fout << endl << " elapsed times:";
for (UInt_t i=0; i<fElapsedTime.size(); i++) {
fout << endl << " " << fElapsedTime[i];
}
fout << endl;
fout << endl << "*************************************************************************";
fout << endl;
fElapsedTime.clear();
// write global informations
fout << endl << " Fval() = " << mnState.Fval() << ", Edm() = " << mnState.Edm() << ", NFcn() = " << mnState.NFcn();
fout << endl;
fout << endl << "*************************************************************************";
fout << endl;
// identifiy the longest variable name for proper formating reasons
Int_t maxLength = 10;
@ -1868,9 +1909,16 @@ Bool_t PFitter::ExecuteSimplex()
UInt_t maxfcn = numeric_limits<UInt_t>::max();
// tolerance = MINUIT2 Default tolerance
Double_t tolerance = 0.1;
// keep track of elapsed time
Double_t start=0.0, end=0.0;
start=MilliTime();
ROOT::Minuit2::FunctionMinimum min = simplex(maxfcn, tolerance);
end=MilliTime();
cout << ">> PFitter::ExecuteMinimize(): execution time for Simplex = " << setprecision(3) << (end-start)/1.0e3 << " sec." << endl;
TString str = TString::Format("Simplex: %.3f sec", (end-start)/1.0e3);
fElapsedTime.push_back(str);
if (!min.IsValid()) {
cerr << endl << "**WARNING**: PFitter::ExecuteSimplex(): Fit did not converge, sorry ...";
cerr << endl << ">> PFitter::ExecuteSimplex(): **WARNING**: Fit did not converge, sorry ...";
cerr << endl;
fIsValid = false;
return false;
@ -1915,6 +1963,22 @@ Bool_t PFitter::ExecuteSimplex()
return true;
}
//--------------------------------------------------------------------------
// MilliTime
//--------------------------------------------------------------------------
/**
* <p>
*
* <b>return:</b>
*/
Double_t PFitter::MilliTime()
{
struct timeval now;
gettimeofday(&now, 0);
return ((Double_t)now.tv_sec * 1.0e6 + (Double_t)now.tv_usec)/1.0e3;
}
//-------------------------------------------------------------------------------------------------
// end
//-------------------------------------------------------------------------------------------------