TPC/testRawReaderFastDDL.C

   1 #include <stdio.h>
   2 #include <TString.h>
   3 #include <TROOT.h>
   4 #include <TStopwatch.h>
   5 #include <TH2I.h>
   6 #include <TFile.h>
   7
   8 #include "AliRawReader.h"
   9 #include "AliRawReaderRoot.h"
  10 #include "AliLog.h"
  11
  12 #include "AliAltroRawStreamFast.h"
  13 #include "AliAltroRawStream.h"
  14
  15 /*
  16  compare old and new AltroRawStream algorithms for each pad and timebin
  17
  18  check if bins are filled twice (which should not be the case!!!)
  19 */
  20
  21 void testRawReaderFastDDL(const Char_t *file="/data.local/data/06000002142000.1A.root")
  22 {
  23     // set minimal screen output
  24     AliLog::SetGlobalDebugLevel(0) ;
  25     AliLog::SetGlobalLogLevel(AliLog::kFatal);
  26
  27 //    TString filename("/d/alice05/testtpc/raw/pulser/06000002142000.1A.root");
  28     TString filename(file);
  29
  30     printf("File: %s\n", filename.Data());
  31
  32     AliRawReader *rawReader = new AliRawReaderRoot(filename);
  33     if ( !rawReader ) return;
  34     rawReader->RewindEvents();
  35
  36     AliAltroRawStreamFast *sf = new AliAltroRawStreamFast(rawReader);
  37     AliAltroRawStream      *s = new AliAltroRawStream(rawReader);
  38
  39     s->SetNoAltroMapping(kFALSE);
  40     s->SelectRawData("TPC");
  41
  42     Int_t ievent = 0;
  43     Int_t count=0;
  44
  45     TH2I *h2ddlT1[216];
  46     TH2I *h2ddlT2[216];
  47
  48     for ( Int_t i=0; i<216; i++ ){
  49         h2ddlT1[i] = 0x0;
  50         h2ddlT2[i] = 0x0;
  51     }
  52
  53     TStopwatch timer1;
  54     TStopwatch timer2;
  55     TStopwatch timer3;
  56
  57     while (rawReader->NextEvent()){
  58         printf("\nevent: %d\n",ievent);
  59         Bool_t input=kFALSE;
  60
  61
  62         //old algorithm
  63         timer1.Start();timer2.Start(kFALSE);
  64         while ( s->Next() ){
  65             if ( !h2ddlT1[s->GetDDLNumber()] ) h2ddlT1[s->GetDDLNumber()] = new TH2I(Form("hddl1_%d",s->GetDDLNumber()),"h2c1",3584,0,3584,1024,0,1024);
  66             TH2I *hist = h2ddlT1[s->GetDDLNumber()];
  67
  68             //fast filling, TH1::Fill takes awfully long
  69             Int_t bin=(s->GetTime()+1)*(3584+2)+s->GetHWAddress()+1;
  70             // check if this bin was allready filled
  71             if ( hist->GetArray()[bin] > 0 )
  72                 printf(" not 0:   |  %.3d : %.3d (%.3d)\n",
  73                         s->GetHWAddress(), s->GetSignal(), hist->GetArray()[bin]);
  74             else
  75                 hist->GetArray()[bin]=s->GetSignal();
  76
  77
  78             input=kTRUE;
  79             count++;
  80         }
  81         timer1.Stop();timer2.Stop();
  82         printf("old  --  Time: %.4f (%.4f)\n", timer1.RealTime(), timer1.CpuTime());
  83         // END OLD
  84
  85         rawReader->Reset();
  86
  87         //new algorithm
  88         timer1.Start();timer3.Start(kFALSE);
  89         while ( sf->NextDDL() ){
  90             if ( !h2ddlT2[sf->GetDDLNumber()] ) h2ddlT2[sf->GetDDLNumber()] = new TH2I(Form("hddl2_%d",s->GetDDLNumber()),"h2c1",3584,0,3584,1024,0,1024);
  91             TH2I *hist = h2ddlT2[sf->GetDDLNumber()];
  92             while ( sf->NextChannel() ){
  93                 UInt_t signal=0;
  94                 while ( sf->NextBunch() ){
  95                     for (UInt_t timebin=sf->GetStartTimeBin(); timebin<sf->GetEndTimeBin(); timebin++){
  96                         signal=sf->GetSignals()[timebin-sf->GetStartTimeBin()];
  97
  98                         //fast filling, TH1::Fill takes awfully long
  99                         Int_t bin=(timebin+1+1)*(3584+2)+sf->GetHWAddress()+1; // timebins of old and new algorithm differ by 1!!!
 100                         // check if this bin was allready filled
 101                         if ( hist->GetArray()[bin] > 0 )
 102                             printf(" not 0:   |  %.3d : %.3d (%.3d)\n",
 103                                     sf->GetHWAddress(), signal, hist->GetArray()[bin]);
 104                         else
 105                             hist->GetArray()[bin]=signal;
 106                     }
 107                 }
 108             }
 109         }
 110         timer1.Stop();timer3.Stop();
 111         printf("new  --  Time: %.4f (%.4f)\n", timer1.RealTime(), timer1.CpuTime());
 112         // END NEW
 113
 114         //check if all data are the same for both algorithms
 115         for ( Int_t ddl=0; ddl<216; ddl++ ){
 116             TH2I *hist = h2ddlT1[ddl];
 117             if ( !hist ) continue;
 118             TH2I *hist2 = h2ddlT2[ddl];
 119             for ( Int_t hadd=0; hadd<3584; hadd++ )
 120                 for ( Int_t time=0; time<1024; time++ ){
 121                     Int_t bin=(time+1)*(3584+2)+hadd+1;
 122                     Int_t val1 = hist->GetArray()[bin];
 123                     Int_t val2 = hist2->GetArray()[bin];
 124                     if ( val1 != val2 )
 125                         printf("%.2d. %.3d %.4d %.4d: %d - %d = %d\n", ievent, ddl, hadd, time, val1, val2, val1-val2);
 126
 127                     //reset for the next event
 128                     hist->GetArray()[bin]=0;
 129                     hist2->GetArray()[bin]=0;
 130                 }
 131         }
 132
 133         if (input) ievent++;
 134     }
 135
 136     printf("total old  --  Time: %.4f (%.4f)\n", timer2.RealTime(), timer2.CpuTime());
 137     printf("total new  --  Time: %.4f (%.4f)\n", timer3.RealTime(), timer3.CpuTime());
 138
 139     delete rawReader;
 140     delete [] h2ddlT1;
 141     delete [] h2ddlT2;
 142 }
 143