Gabriele Cosmo
407 lines
14 KiB
C++
407 lines
14 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4GeometryManager.cc,v 1.18 2006/06/29 18:33:23 gunter Exp $
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// GEANT4 tag $Name: geant4-08-02 $
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//
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// class G4GeometryManager
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//
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// Implementation
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//
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// Author:
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// 26.07.95 P.Kent Initial version, including optimisation Build
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// --------------------------------------------------------------------
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#include <iomanip>
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#include "G4Timer.hh"
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#include "G4GeometryManager.hh"
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#ifdef G4GEOMETRY_VOXELDEBUG
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#include "G4ios.hh"
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#endif
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// Needed for building optimisations
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//
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#include "G4LogicalVolumeStore.hh"
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#include "G4VPhysicalVolume.hh"
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#include "G4SmartVoxelHeader.hh"
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#include "voxeldefs.hh"
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// ***************************************************************************
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// Static class variable: ptr to single instance of class
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// ***************************************************************************
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//
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G4GeometryManager* G4GeometryManager::fgInstance = 0;
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// ***************************************************************************
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// Constructor. Set the geometry to be open
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// ***************************************************************************
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//
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G4GeometryManager::G4GeometryManager()
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{
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fIsClosed=false;
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}
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// ***************************************************************************
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// Closes geometry - performs sanity checks and optionally builds optimisation
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// for placed volumes (always built for replicas & parameterised).
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// NOTE: Currently no sanity checks are performed.
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// Applies to just a specific subtree if a physical volume is specified.
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// ***************************************************************************
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//
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G4bool G4GeometryManager::CloseGeometry(G4bool pOptimise, G4bool verbose,
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G4VPhysicalVolume* pVolume)
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{
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if (!fIsClosed)
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{
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if (pVolume)
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{
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BuildOptimisations(pOptimise, pVolume);
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}
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else
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{
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BuildOptimisations(pOptimise, verbose);
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}
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fIsClosed=true;
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}
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return true;
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}
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// ***************************************************************************
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// Opens the geometry and removes optimisations (optionally, related to just
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// the specified logical-volume).
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// Applies to just a specific subtree if a physical volume is specified.
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// ***************************************************************************
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//
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void G4GeometryManager::OpenGeometry(G4VPhysicalVolume* pVolume)
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{
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if (fIsClosed)
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{
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if (pVolume)
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{
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DeleteOptimisations(pVolume);
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}
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else
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{
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DeleteOptimisations();
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}
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fIsClosed=false;
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}
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}
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// ***************************************************************************
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// Returns status of geometry
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// ***************************************************************************
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//
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G4bool G4GeometryManager::IsGeometryClosed()
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{
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return fIsClosed;
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}
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// ***************************************************************************
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// Returns the instance of the singleton.
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// Creates it in case it's called for the first time.
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// ***************************************************************************
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//
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G4GeometryManager* G4GeometryManager::GetInstance()
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{
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static G4GeometryManager worldManager;
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if (!fgInstance)
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{
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fgInstance = &worldManager;
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}
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return fgInstance;
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}
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// ***************************************************************************
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// Creates optimisation info. Builds all voxels if allOpts=true
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// otherwise it builds voxels only for replicated volumes.
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// ***************************************************************************
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//
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void G4GeometryManager::BuildOptimisations(G4bool allOpts, G4bool verbose)
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{
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G4Timer timer;
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G4Timer allTimer;
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std::vector<G4SmartVoxelStat> stats;
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if (verbose) { allTimer.Start(); }
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G4LogicalVolumeStore* Store = G4LogicalVolumeStore::GetInstance();
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G4LogicalVolume* volume;
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G4SmartVoxelHeader* head;
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for (size_t n=0; n<Store->size(); n++)
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{
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if (verbose) timer.Start();
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volume=(*Store)[n];
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// For safety, check if there are any existing voxels and
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// delete before replacement
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//
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head = volume->GetVoxelHeader();
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delete head;
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volume->SetVoxelHeader(0);
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if ( (volume->IsToOptimise())
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&& (volume->GetNoDaughters()>=kMinVoxelVolumesLevel1&&allOpts)
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|| ( (volume->GetNoDaughters()==1)
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&& (volume->GetDaughter(0)->IsReplicated()==true) ) )
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{
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#ifdef G4GEOMETRY_VOXELDEBUG
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G4cout << "**** G4GeometryManager::BuildOptimisations" << G4endl
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<< " Examining logical volume name = "
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<< volume->GetName() << G4endl;
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#endif
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head = new G4SmartVoxelHeader(volume);
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if (head)
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{
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volume->SetVoxelHeader(head);
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}
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else
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{
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G4cerr << "ERROR - Allocation of new VoxelHeader" << G4endl
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<< " for volume " << volume->GetName() << " failed."
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<< G4endl;
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G4Exception("G4GeometryManager::BuildOptimisations()", "FatalError",
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FatalException, "VoxelHeader allocation error.");
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}
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if (verbose)
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{
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timer.Stop();
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stats.push_back( G4SmartVoxelStat( volume, head,
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timer.GetSystemElapsed(),
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timer.GetUserElapsed() ) );
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}
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}
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else
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{
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// Don't create voxels for this node
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#ifdef G4GEOMETRY_VOXELDEBUG
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G4cout << "**** G4GeometryManager::BuildOptimisations" << G4endl
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<< " Skipping logical volume name = " << volume->GetName()
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<< G4endl;
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#endif
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}
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}
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if (verbose)
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{
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allTimer.Stop();
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ReportVoxelStats( stats, allTimer.GetSystemElapsed()
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+ allTimer.GetUserElapsed() );
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}
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}
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// ***************************************************************************
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// Creates optimisation info for the specified volumes subtree.
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// ***************************************************************************
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//
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void G4GeometryManager::BuildOptimisations(G4bool allOpts,
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G4VPhysicalVolume* pVolume)
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{
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if (!pVolume) { return; }
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// Retrieve the mother logical volume, if not NULL,
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// otherwise apply global optimisation for the world volume
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//
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G4LogicalVolume* tVolume = pVolume->GetMotherLogical();
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if (!tVolume) { return BuildOptimisations(allOpts, false); }
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G4SmartVoxelHeader* head = tVolume->GetVoxelHeader();
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delete head;
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tVolume->SetVoxelHeader(0);
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if ( (tVolume->IsToOptimise())
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&& (tVolume->GetNoDaughters()>=kMinVoxelVolumesLevel1&&allOpts)
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|| ( (tVolume->GetNoDaughters()==1)
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&& (tVolume->GetDaughter(0)->IsReplicated()==true) ) )
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{
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head = new G4SmartVoxelHeader(tVolume);
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if (head)
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{
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tVolume->SetVoxelHeader(head);
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}
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else
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{
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G4cerr << "ERROR - Allocation of new VoxelHeader" << G4endl
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<< " for volume " << tVolume->GetName() << " failed."
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<< G4endl;
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G4Exception("G4GeometryManager::BuildOptimisations()", "FatalError",
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FatalException, "VoxelHeader allocation error.");
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}
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}
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else
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{
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// Don't create voxels for this node
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#ifdef G4GEOMETRY_VOXELDEBUG
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G4cout << "**** G4GeometryManager::BuildOptimisations" << G4endl
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<< " Skipping logical volume name = " << volume->GetName()
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<< G4endl;
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#endif
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}
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// Scan recursively the associated logical volume tree
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//
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tVolume = pVolume->GetLogicalVolume();
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if (tVolume->GetNoDaughters()) { BuildOptimisations(allOpts, tVolume->GetDaughter(0)); }
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}
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// ***************************************************************************
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// Removes all optimisation info.
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// Loops over all logical volumes, deleting non-null voxels pointers,
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// ***************************************************************************
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//
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void G4GeometryManager::DeleteOptimisations()
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{
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G4LogicalVolume* tVolume = 0;
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G4LogicalVolumeStore* Store = G4LogicalVolumeStore::GetInstance();
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for (size_t n=0; n<Store->size(); n++)
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{
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tVolume=(*Store)[n];
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delete tVolume->GetVoxelHeader();
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tVolume->SetVoxelHeader(0);
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}
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}
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// ***************************************************************************
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// Removes optimisation info for the specified subtree.
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// Scans recursively all daughter volumes, deleting non-null voxels pointers.
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// ***************************************************************************
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//
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void G4GeometryManager::DeleteOptimisations(G4VPhysicalVolume* pVolume)
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{
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if (!pVolume) { return; }
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// Retrieve the mother logical volume, if not NULL,
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// otherwise global deletion to world volume.
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//
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G4LogicalVolume* tVolume = pVolume->GetMotherLogical();
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if (!tVolume) { return DeleteOptimisations(); }
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delete tVolume->GetVoxelHeader();
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tVolume->SetVoxelHeader(0);
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// Scan recursively the associated logical volume tree
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//
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tVolume = pVolume->GetLogicalVolume();
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if (tVolume->GetNoDaughters()) { DeleteOptimisations(tVolume->GetDaughter(0)); }
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}
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// ***************************************************************************
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// Reports statistics on voxel optimisation when closing geometry.
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// ***************************************************************************
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//
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void
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G4GeometryManager::ReportVoxelStats( std::vector<G4SmartVoxelStat> & stats,
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G4double totalCpuTime )
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{
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G4cout << "G4GeometryManager::ReportVoxelStats -- Voxel Statistics"
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<< G4endl << G4endl;
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//
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// Get total memory use
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//
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G4int i, nStat = stats.size();
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G4long totalMemory = 0;
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for( i=0;i<nStat;++i ) { totalMemory += stats[i].GetMemoryUse(); }
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G4cout << " Total memory consumed for geometry optimisation: "
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<< totalMemory/1024 << " kByte" << G4endl;
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G4cout << " Total CPU time elapsed for geometry optimisation: "
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<< std::setprecision(2) << totalCpuTime << " seconds" << G4endl;
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//
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// First list: sort by total CPU time
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//
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std::sort( stats.begin(), stats.end(), G4SmartVoxelStat::ByCpu() );
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G4int nPrint = nStat > 10 ? 10 : nStat;
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if (nPrint)
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{
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G4cout << "\n Voxelisation: top CPU users:" << G4endl;
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G4cout << " Percent Total CPU System CPU Memory Volume\n"
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<< " ------- ---------- ---------- -------- ----------"
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<< G4endl;
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// 12345678901.234567890123.234567890123.234567890123k .
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}
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for(i=0;i<nPrint;++i)
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{
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G4double total = stats[i].GetTotalTime();
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G4double system = stats[i].GetSysTime();
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G4double perc = 0.0;
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if (system < 0) { system = 0.0; }
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if ((total < 0) || (totalCpuTime < perMillion))
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{ total = 0; }
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else
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{ perc = total*100/totalCpuTime; }
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G4cout << std::setprecision(2)
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<< std::setiosflags(std::ios::fixed|std::ios::right)
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<< std::setw(11) << perc
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<< std::setw(13) << total
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<< std::setw(13) << system
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<< std::setw(13) << (stats[i].GetMemoryUse()+512)/1024
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<< "k " << std::setiosflags(std::ios::left)
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<< stats[i].GetVolume()->GetName()
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<< std::resetiosflags(std::ios::floatfield|std::ios::adjustfield)
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<< std::setprecision(6)
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<< G4endl;
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}
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//
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// Second list: sort by memory use
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//
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std::sort( stats.begin(), stats.end(), G4SmartVoxelStat::ByMemory() );
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if (nPrint)
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{
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G4cout << "\n Voxelisation: top memory users:" << G4endl;
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G4cout << " Percent Memory Heads Nodes Pointers Total CPU Volume\n"
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<< " ------- -------- ------ ------ -------- ---------- ----------"
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<< G4endl;
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// 12345678901.2345678901k .23456789.23456789.2345678901.234567890123. .
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}
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for(i=0;i<nPrint;++i)
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{
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G4long memory = stats[i].GetMemoryUse();
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G4double totTime = stats[i].GetTotalTime();
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if (totTime < 0) { totTime = 0.0; }
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G4cout << std::setprecision(2)
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<< std::setiosflags(std::ios::fixed|std::ios::right)
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<< std::setw(11) << G4double(memory*100)/G4double(totalMemory)
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<< std::setw(11) << memory/1024 << "k "
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<< std::setw( 9) << stats[i].GetNumberHeads()
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<< std::setw( 9) << stats[i].GetNumberNodes()
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<< std::setw(11) << stats[i].GetNumberPointers()
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<< std::setw(13) << totTime << " "
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<< std::setiosflags(std::ios::left)
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<< stats[i].GetVolume()->GetName()
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<< std::resetiosflags(std::ios::floatfield|std::ios::adjustfield)
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<< std::setprecision(6)
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<< G4endl;
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}
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}
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