/// \ingroup macros
/// \file MUONTimeRawStreamTracker.C
-/// \brief Macro for checking the timing (speed) performace of the two different tracker decoders.
+/// \brief Macro for checking the timing (speed) performance of the tracker decoder.
///
/// \author Artur Szostak <artursz@iafrica.com>
///
-/// This macro is used to check the timing (speed) performance of the existing
-/// offline decoder for the tracker DDLs and also for the new high performance
-/// decoder. It can be invoked as follows:
+/// This macro is used to check the timing (speed) performance of the
+/// decoder for the tracker DDLs. It can be invoked as follows:
///
/// $ aliroot
/// .L $ALICE_ROOT/MUON/MUONTimeRawStreamTracker.C+
#include "AliCodeTimer.h"
// MUON includes
-#include "AliMUONRawStreamTracker.h"
#include "AliMUONRawStreamTrackerHP.h"
#include "AliMUONDspHeader.h"
#include "AliMUONBlockHeader.h"
}
-Double_t TimeUsingOldDecoder(AliBufferInfo* list, AliDigitInfo* buffer, UInt_t maxBufferSize)
+Double_t TimeDecoderBusPatchIteration(AliBufferInfo* list, AliDigitInfo* buffer, UInt_t maxBufferSize)
{
- /// Perform a timing using the old decoder.
-
- AliRawReaderMemory rawReader;
- AliMUONRawStreamTracker rawStream(&rawReader);
- rawReader.NextEvent();
-
- TStopwatch timer;
- timer.Start(kTRUE);
-
- UInt_t i = 0;
- AliBufferInfo* current = list;
- while (current != NULL)
- {
- rawReader.SetMemory(current->fBuffer, current->fBufferSize);
- rawReader.SetEquipmentID(current->fEquipId);
- rawReader.Reset();
-
- Int_t busPatch;
- UShort_t manuId, adc;
- UChar_t manuChannel;
-
- rawStream.First();
-
- while ( rawStream.Next(busPatch,manuId,manuChannel,adc) )
- {
- if (i < maxBufferSize)
- {
- buffer[i].fManuId = manuId;
- buffer[i].fAdc = adc;
- buffer[i].fChannelId = manuChannel;
- i++;
- }
- }
-
- current = current->fNext;
- }
-
- return timer.RealTime();
-}
-
-
-Double_t TimeUsingNewDecoder(AliBufferInfo* list, AliDigitInfo* buffer, UInt_t maxBufferSize)
-{
- /// Perform a timing using the new decoder.
+ /// Perform a timing using the new decoder using the "next bus patch" iteration
AliRawReaderMemory rawReader;
AliMUONRawStreamTrackerHP rawStream(&rawReader);
}
-Double_t TimeUsingNewDecoderOldInterface(AliBufferInfo* list, AliDigitInfo* buffer, UInt_t maxBufferSize)
+Double_t TimeDecoderChannelIteration(AliBufferInfo* list, AliDigitInfo* buffer, UInt_t maxBufferSize, Bool_t skipParityErrors)
{
- /// Perform a timing using the new decoder but the old Next() method
- /// as the interface.
-
+ /// Perform a timing using the "next channel" iteration
+
AliRawReaderMemory rawReader;
AliMUONRawStreamTrackerHP rawStream(&rawReader);
rawReader.NextEvent();
rawStream.First();
- while ( rawStream.Next(busPatch,manuId,manuChannel,adc) )
+ while ( rawStream.Next(busPatch,manuId,manuChannel,adc,skipParityErrors) )
{
if (i < maxBufferSize)
{
return timer.RealTime();
}
-
-void Loop(const char* filename, Bool_t newDecoder)
+void MUONTimeRawStreamTrackerDumb(TString fileName)
{
- AliCodeTimerAutoGeneral(Form("Loop %s",(newDecoder ? "NEW":"OLD")));
-
- AliRawReader* reader = AliRawReader::Create(filename);
-
- AliMUONVRawStreamTracker* stream;
+ AliCodeTimer::Instance()->Reset();
- if ( newDecoder )
- {
- stream = new AliMUONRawStreamTrackerHP(reader);
- }
- else
+ // first check we can open the stream
+ AliRawReader* reader = AliRawReader::Create(fileName.Data());
+ if (!reader)
{
- stream = new AliMUONRawStreamTracker(reader);
+ cerr << "Cannot create reader from " << fileName.Data() << endl;
+ return;
}
-
+
+ AliMUONRawStreamTrackerHP stream(reader);
+
Int_t busPatch;
UShort_t manuId, adc;
UChar_t manuChannel;
while ( reader->NextEvent() )
{
- stream->First();
+ stream.First();
- while ( stream->Next(busPatch,manuId,manuChannel,adc) )
+ while ( stream.Next(busPatch,manuId,manuChannel,adc) )
{
adc *= 2;
}
}
- delete stream;
- delete reader;
-}
-
-
-void MUONTimeRawStreamTrackerDumb(TString fileName)
-{
- AliCodeTimer::Instance()->Reset();
-
- // first check we can open the stream
- AliRawReader* reader = AliRawReader::Create(fileName.Data());
- if (!reader)
- {
- cerr << "Cannot create reader from " << fileName.Data() << endl;
- return;
- }
- delete reader;
-
- // now start the timing per se
-
- Loop(fileName,kFALSE);
-
- Loop(fileName,kTRUE);
-
AliCodeTimer::Instance()->Print();
}
void MUONTimeRawStreamTracker(TString fileName = "./", Int_t maxEvent = 1000)
{
- /// Performs a timing of old and new decoders and reports this.
+ /// Performs a timing of decoder
AliBufferInfo* list = NULL;
UInt_t bufferCount = LoadFiles(list, fileName, maxEvent);
cerr << "ERROR: Out of memory, sorry. You should limit the number of events read in." << endl;
return;
}
- Double_t oldTimes[100];
+ Double_t bpTimes[100];
for (Int_t i = 0; i < 100; i++)
{
- cout << "Timing old decoder: timing iteration " << i+1 << " of 100" << endl;
- oldTimes[i] = TimeUsingOldDecoder(list, buffer, maxBufferSize);
+ cout << "Timing decoder: bus patch iteration " << i+1 << " of 100" << endl;
+ bpTimes[i] = TimeDecoderBusPatchIteration(list, buffer, maxBufferSize);
}
- Double_t newTimes[100];
+ Double_t channelTimes[100];
for (Int_t i = 0; i < 100; i++)
{
- cout << "Timing new decoder: timing iteration " << i+1 << " of 100" << endl;
- newTimes[i] = TimeUsingNewDecoder(list, buffer, maxBufferSize);
+ cout << "Timing decoder: channel iteration w/ parity check" << i+1 << " of 100" << endl;
+ channelTimes[i] = TimeDecoderChannelIteration(list, buffer, maxBufferSize,kTRUE);
}
- Double_t newTimes2[100];
+ Double_t channelTimes2[100];
for (Int_t i = 0; i < 100; i++)
{
- cout << "Timing new decoder with old interface: timing iteration " << i+1 << " of 100" << endl;
- newTimes2[i] = TimeUsingNewDecoderOldInterface(list, buffer, maxBufferSize);
+ cout << "Timing decoder: channel iteration w/o parity check" << i+1 << " of 100" << endl;
+ channelTimes2[i] = TimeDecoderChannelIteration(list, buffer, maxBufferSize,kFALSE);
}
-
+
ReleaseBuffers(list);
delete buffer;
- Double_t oldTime = TMath::Mean(100, oldTimes) / Double_t(bufferCount);
- Double_t oldTimeErr = TMath::RMS(100, oldTimes) / Double_t(bufferCount);
- Double_t newTime = TMath::Mean(100, newTimes) / Double_t(bufferCount);
- Double_t newTimeErr = TMath::RMS(100, newTimes) / Double_t(bufferCount);
- Double_t newTime2 = TMath::Mean(100, newTimes2) / Double_t(bufferCount);
- Double_t newTime2Err = TMath::RMS(100, newTimes2) / Double_t(bufferCount);
+ Double_t bpTime = TMath::Mean(100, bpTimes) / Double_t(bufferCount);
+ Double_t bpTimeErr = TMath::RMS(100, bpTimes) / Double_t(bufferCount);
+ Double_t channelTime = TMath::Mean(100, channelTimes) / Double_t(bufferCount);
+ Double_t channelTimeErr = TMath::RMS(100, channelTimes) / Double_t(bufferCount);
+ Double_t channelTime2 = TMath::Mean(100, channelTimes2) / Double_t(bufferCount);
+ Double_t channelTime2Err = TMath::RMS(100, channelTimes2) / Double_t(bufferCount);
cout << "Average processing time per DDL for:" << endl;
- cout << " Old decoder = " << oldTime*1e6 << " +/- " << oldTimeErr*1e6/TMath::Sqrt(100) << " micro seconds" << endl;
- cout << " New decoder = " << newTime*1e6 << " +/- " << newTimeErr*1e6/TMath::Sqrt(100) << " micro seconds" << endl;
- cout << "New decoder with old interface = " << newTime2*1e6 << " +/- " << newTime2Err*1e6/TMath::Sqrt(100) << " micro seconds" << endl;
+ cout << " bus patch iteration = " << bpTime*1e6 << " +/- " << bpTimeErr*1e6/TMath::Sqrt(100) << " micro seconds" << endl;
+ cout << " channel iteration with parity check = " << channelTime*1e6 << " +/- " << channelTimeErr*1e6/TMath::Sqrt(100) << " micro seconds" << endl;
+ cout << " channel iteration without parity check = " << channelTime2*1e6 << " +/- " << channelTime2Err*1e6/TMath::Sqrt(100) << " micro seconds" << endl;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff