message: Took out stack loop unless stack bool is kTRUE to improve running time.
diff: @@ -926,7 +926,7 @@ void AliAnalysisTaskTPCCalBeauty::UserExec(Option_t*)
  ///////////////////
  //Loop over Stack//
  ///////////////////
  - if (fFlagFillMCHistos && !fFlagRunStackLoop) {
  + /*if (fFlagFillMCHistos && !fFlagRunStackLoop) {
  Int_t TrackPDG = -999;
  Int_t ilabelM = -99;
  for(int i=0; i<(fMCarray->GetEntries()); i++)
  @@ -957,7 +957,7 @@ void AliAnalysisTaskTPCCalBeauty::UserExec(Option_t*)
  }
  }
  }
  - }
  + }*/
  if (fFlagFillMCHistos && fFlagRunStackLoop) {
  