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root/OpenMD/branches/development/src/brains/SimInfo.cpp
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Comparing branches/development/src/brains/SimInfo.cpp (file contents):
Revision 1529 by gezelter, Mon Dec 27 18:35:59 2010 UTC vs.
Revision 1549 by gezelter, Wed Apr 27 18:38:15 2011 UTC

# Line 54 | Line 54
54   #include "math/Vector3.hpp"
55   #include "primitives/Molecule.hpp"
56   #include "primitives/StuntDouble.hpp"
57 #include "UseTheForce/fCutoffPolicy.h"
58 #include "UseTheForce/DarkSide/fSwitchingFunctionType.h"
59 #include "UseTheForce/doForces_interface.h"
57   #include "UseTheForce/DarkSide/neighborLists_interface.h"
58 < #include "UseTheForce/DarkSide/switcheroo_interface.h"
58 > #include "UseTheForce/doForces_interface.h"
59   #include "utils/MemoryUtils.hpp"
60   #include "utils/simError.h"
61   #include "selection/SelectionManager.hpp"
62   #include "io/ForceFieldOptions.hpp"
63   #include "UseTheForce/ForceField.hpp"
64 < #include "nonbonded/InteractionManager.hpp"
64 > #include "nonbonded/SwitchingFunction.hpp"
65  
69
66   #ifdef IS_MPI
67   #include "UseTheForce/mpiComponentPlan.h"
68   #include "UseTheForce/DarkSide/simParallel_interface.h"
# Line 136 | Line 132 | namespace OpenMD {
132      //equal to the total number of atoms minus number of atoms belong to
133      //cutoff group defined in meta-data file plus the number of cutoff
134      //groups defined in meta-data file
135 +    std::cerr << "nGA = " << nGlobalAtoms_ << "\n";
136 +    std::cerr << "nCA = " << nCutoffAtoms << "\n";
137 +    std::cerr << "nG = " << nGroups << "\n";
138 +
139      nGlobalCutoffGroups_ = nGlobalAtoms_ - nCutoffAtoms + nGroups;
140 +
141 +    std::cerr << "nGCG = " << nGlobalCutoffGroups_ << "\n";
142      
143      //every free atom (atom does not belong to rigid bodies) is an
144      //integrable object therefore the total number of integrable objects
# Line 656 | Line 658 | namespace OpenMD {
658      molStampIds_.insert(molStampIds_.end(), nmol, curStampId);
659    }
660  
659  void SimInfo::update() {
661  
662 <    setupSimType();
663 <    setupCutoffRadius();
664 <    setupSwitchingRadius();
665 <    setupCutoffMethod();
666 <    setupSkinThickness();
667 <    setupSwitchingFunction();
668 <    setupAccumulateBoxDipole();
669 <
670 < #ifdef IS_MPI
670 <    setupFortranParallel();
671 < #endif
672 <    setupFortranSim();
673 <    fortranInitialized_ = true;
674 <
662 >  /**
663 >   * update
664 >   *
665 >   *  Performs the global checks and variable settings after the
666 >   *  objects have been created.
667 >   *
668 >   */
669 >  void SimInfo::update() {  
670 >    setupSimVariables();
671      calcNdf();
672      calcNdfRaw();
673      calcNdfTrans();
674    }
675    
676 +  /**
677 +   * getSimulatedAtomTypes
678 +   *
679 +   * Returns an STL set of AtomType* that are actually present in this
680 +   * simulation.  Must query all processors to assemble this information.
681 +   *
682 +   */
683    set<AtomType*> SimInfo::getSimulatedAtomTypes() {
684      SimInfo::MoleculeIterator mi;
685      Molecule* mol;
# Line 689 | Line 692 | namespace OpenMD {
692          atomTypes.insert(atom->getAtomType());
693        }      
694      }    
692    return atomTypes;        
693  }
695  
696 <  /**
696 <   * setupCutoffRadius
697 <   *
698 <   *  If the cutoffRadius was explicitly set, use that value.
699 <   *  If the cutoffRadius was not explicitly set:
700 <   *      Are there electrostatic atoms?  Use 12.0 Angstroms.
701 <   *      No electrostatic atoms?  Poll the atom types present in the
702 <   *      simulation for suggested cutoff values (e.g. 2.5 * sigma).
703 <   *      Use the maximum suggested value that was found.
704 <   */
705 <  void SimInfo::setupCutoffRadius() {
706 <    
707 <    if (simParams_->haveCutoffRadius()) {
708 <      cutoffRadius_ = simParams_->getCutoffRadius();
709 <    } else {      
710 <      if (usesElectrostaticAtoms_) {
711 <        sprintf(painCave.errMsg,
712 <                "SimInfo Warning: No value was set for the cutoffRadius.\n"
713 <                "\tOpenMD will use a default value of 12.0 angstroms"
714 <                "\tfor the cutoffRadius.\n");
715 <        painCave.isFatal = 0;
716 <        simError();
717 <        cutoffRadius_ = 12.0;
718 <      } else {
719 <        RealType thisCut;
720 <        set<AtomType*>::iterator i;
721 <        set<AtomType*> atomTypes;
722 <        atomTypes = getSimulatedAtomTypes();        
723 <        for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
724 <          thisCut = InteractionManager::Instance()->getSuggestedCutoffRadius((*i));
725 <          cutoffRadius_ = max(thisCut, cutoffRadius_);
726 <        }
727 <        sprintf(painCave.errMsg,
728 <                "SimInfo Warning: No value was set for the cutoffRadius.\n"
729 <                "\tOpenMD will use %lf angstroms.\n",
730 <                cutoffRadius_);
731 <        painCave.isFatal = 0;
732 <        simError();
733 <      }            
734 <    }
696 > #ifdef IS_MPI
697  
698 <    InteractionManager::Instance()->setCutoffRadius(cutoffRadius_);
699 <  }
700 <  
701 <  /**
702 <   * setupSwitchingRadius
703 <   *
704 <   *  If the switchingRadius was explicitly set, use that value (but check it)
705 <   *  If the switchingRadius was not explicitly set: use 0.85 * cutoffRadius_
706 <   */
707 <  void SimInfo::setupSwitchingRadius() {
698 >    // loop over the found atom types on this processor, and add their
699 >    // numerical idents to a vector:
700 >
701 >    vector<int> foundTypes;
702 >    set<AtomType*>::iterator i;
703 >    for (i = atomTypes.begin(); i != atomTypes.end(); ++i)
704 >      foundTypes.push_back( (*i)->getIdent() );
705 >
706 >    // count_local holds the number of found types on this processor
707 >    int count_local = foundTypes.size();
708 >
709 >    // count holds the total number of found types on all processors
710 >    // (some will be redundant with the ones found locally):
711 >    int count;
712 >    MPI::COMM_WORLD.Allreduce(&count_local, &count, 1, MPI::INT, MPI::SUM);
713 >
714 >    // create a vector to hold the globally found types, and resize it:
715 >    vector<int> ftGlobal;
716 >    ftGlobal.resize(count);
717 >    vector<int> counts;
718 >
719 >    int nproc = MPI::COMM_WORLD.Get_size();
720 >    counts.resize(nproc);
721 >    vector<int> disps;
722 >    disps.resize(nproc);
723 >
724 >    // now spray out the foundTypes to all the other processors:
725      
726 <    if (simParams_->haveSwitchingRadius()) {
727 <      switchingRadius_ = simParams_->getSwitchingRadius();
749 <      if (switchingRadius_ > cutoffRadius_) {        
750 <        sprintf(painCave.errMsg,
751 <                "SimInfo Error: switchingRadius (%f) is larger than cutoffRadius(%f)\n",
752 <                switchingRadius_, cutoffRadius_);
753 <        painCave.isFatal = 1;
754 <        simError();
726 >    MPI::COMM_WORLD.Allgatherv(&foundTypes[0], count_local, MPI::INT,
727 >                               &ftGlobal[0], &counts[0], &disps[0], MPI::INT);
728  
729 <      }
730 <    } else {      
731 <      switchingRadius_ = 0.85 * cutoffRadius_;
732 <      sprintf(painCave.errMsg,
733 <              "SimInfo Warning: No value was set for the switchingRadius.\n"
734 <              "\tOpenMD will use a default value of 85 percent of the cutoffRadius.\n"
735 <              "\tswitchingRadius = %f. for this simulation\n", switchingRadius_);
736 <      painCave.isFatal = 0;
737 <      simError();
738 <    }            
739 <    InteractionManager::Instance()->setSwitchingRadius(switchingRadius_);
729 >    // foundIdents is a stl set, so inserting an already found ident
730 >    // will have no effect.
731 >    set<int> foundIdents;
732 >    vector<int>::iterator j;
733 >    for (j = ftGlobal.begin(); j != ftGlobal.end(); ++j)
734 >      foundIdents.insert((*j));
735 >    
736 >    // now iterate over the foundIdents and get the actual atom types
737 >    // that correspond to these:
738 >    set<int>::iterator it;
739 >    for (it = foundIdents.begin(); it != foundIdents.end(); ++it)
740 >      atomTypes.insert( forceField_->getAtomType((*it)) );
741 >
742 > #endif
743 >    
744 >    return atomTypes;        
745    }
746  
747 <  /**
748 <   * setupSkinThickness
749 <   *
750 <   *  If the skinThickness was explicitly set, use that value (but check it)
751 <   *  If the skinThickness was not explicitly set: use 1.0 angstroms
752 <   */
753 <  void SimInfo::setupSkinThickness() {    
754 <    if (simParams_->haveSkinThickness()) {
777 <      skinThickness_ = simParams_->getSkinThickness();
778 <    } else {      
779 <      skinThickness_ = 1.0;
780 <      sprintf(painCave.errMsg,
781 <              "SimInfo Warning: No value was set for the skinThickness.\n"
782 <              "\tOpenMD will use a default value of %f Angstroms\n"
783 <              "\tfor this simulation\n", skinThickness_);
784 <      painCave.isFatal = 0;
785 <      simError();
786 <    }            
787 <  }
747 >  void SimInfo::setupSimVariables() {
748 >    useAtomicVirial_ = simParams_->getUseAtomicVirial();
749 >    // we only call setAccumulateBoxDipole if the accumulateBoxDipole parameter is true
750 >    calcBoxDipole_ = false;
751 >    if ( simParams_->haveAccumulateBoxDipole() )
752 >      if ( simParams_->getAccumulateBoxDipole() ) {
753 >        calcBoxDipole_ = true;      
754 >      }
755  
789  void SimInfo::setupSimType() {
756      set<AtomType*>::iterator i;
757      set<AtomType*> atomTypes;
758 <    atomTypes = getSimulatedAtomTypes();
793 <
794 <    useAtomicVirial_ = simParams_->getUseAtomicVirial();
795 <
758 >    atomTypes = getSimulatedAtomTypes();    
759      int usesElectrostatic = 0;
760      int usesMetallic = 0;
761      int usesDirectional = 0;
# Line 822 | Line 785 | namespace OpenMD {
785      fInfo_.SIM_uses_AtomicVirial = usesAtomicVirial_;
786    }
787  
788 <  void SimInfo::setupFortranSim() {
788 >
789 >  vector<int> SimInfo::getGlobalAtomIndices() {
790 >    SimInfo::MoleculeIterator mi;
791 >    Molecule* mol;
792 >    Molecule::AtomIterator ai;
793 >    Atom* atom;
794 >
795 >    vector<int> GlobalAtomIndices(getNAtoms(), 0);
796 >    
797 >    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
798 >      
799 >      for (atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
800 >        GlobalAtomIndices[atom->getLocalIndex()] = atom->getGlobalIndex();
801 >      }
802 >    }
803 >    return GlobalAtomIndices;
804 >  }
805 >
806 >
807 >  vector<int> SimInfo::getGlobalGroupIndices() {
808 >    SimInfo::MoleculeIterator mi;
809 >    Molecule* mol;
810 >    Molecule::CutoffGroupIterator ci;
811 >    CutoffGroup* cg;
812 >
813 >    vector<int> GlobalGroupIndices;
814 >    
815 >    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
816 >      
817 >      //local index of cutoff group is trivial, it only depends on the
818 >      //order of travesing
819 >      for (cg = mol->beginCutoffGroup(ci); cg != NULL;
820 >           cg = mol->nextCutoffGroup(ci)) {
821 >        GlobalGroupIndices.push_back(cg->getGlobalIndex());
822 >      }        
823 >    }
824 >    return GlobalGroupIndices;
825 >  }
826 >
827 >
828 >  void SimInfo::setupFortran() {
829      int isError;
830      int nExclude, nOneTwo, nOneThree, nOneFour;
831      vector<int> fortranGlobalGroupMembership;
832      
830    notifyFortranSkinThickness(&skinThickness_);
831
832    int ljsp = cutoffMethod_ == SHIFTED_POTENTIAL ? 1 : 0;
833    int ljsf = cutoffMethod_ == SHIFTED_FORCE ? 1 : 0;
834    notifyFortranCutoffs(&cutoffRadius_, &switchingRadius_, &ljsp, &ljsf);
835
833      isError = 0;
834  
835      //globalGroupMembership_ is filled by SimCreator    
# Line 867 | Line 864 | namespace OpenMD {
864        }      
865      }
866  
867 <    //fill ident array of local atoms (it is actually ident of AtomType, it is so confusing !!!)
871 <    vector<int> identArray;
867 >    // Build the identArray_
868  
869 <    //to avoid memory reallocation, reserve enough space identArray
870 <    identArray.reserve(getNAtoms());
875 <    
869 >    identArray_.clear();
870 >    identArray_.reserve(getNAtoms());    
871      for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {        
872        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
873 <        identArray.push_back(atom->getIdent());
873 >        identArray_.push_back(atom->getIdent());
874        }
875      }    
876  
# Line 898 | Line 893 | namespace OpenMD {
893      int* oneThreeList = oneThreeInteractions_.getPairList();
894      int* oneFourList = oneFourInteractions_.getPairList();
895  
896 <    setFortranSim( &fInfo_, &nGlobalAtoms_, &nAtoms_, &identArray[0],
896 >    setFortranSim( &fInfo_, &nGlobalAtoms_, &nAtoms_, &identArray_[0],
897                     &nExclude, excludeList,
898                     &nOneTwo, oneTwoList,
899                     &nOneThree, oneThreeList,
# Line 927 | Line 922 | namespace OpenMD {
922        setNeighbors(&nlistNeighbors);
923      }
924    
930
931  }
932
933
934  void SimInfo::setupFortranParallel() {
925   #ifdef IS_MPI    
936    //SimInfo is responsible for creating localToGlobalAtomIndex and localToGlobalGroupIndex
937    vector<int> localToGlobalAtomIndex(getNAtoms(), 0);
938    vector<int> localToGlobalCutoffGroupIndex;
939    SimInfo::MoleculeIterator mi;
940    Molecule::AtomIterator ai;
941    Molecule::CutoffGroupIterator ci;
942    Molecule* mol;
943    Atom* atom;
944    CutoffGroup* cg;
926      mpiSimData parallelData;
946    int isError;
927  
948    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
949
950      //local index(index in DataStorge) of atom is important
951      for (atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
952        localToGlobalAtomIndex[atom->getLocalIndex()] = atom->getGlobalIndex() + 1;
953      }
954
955      //local index of cutoff group is trivial, it only depends on the order of travesing
956      for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
957        localToGlobalCutoffGroupIndex.push_back(cg->getGlobalIndex() + 1);
958      }        
959        
960    }
961
928      //fill up mpiSimData struct
929      parallelData.nMolGlobal = getNGlobalMolecules();
930      parallelData.nMolLocal = getNMolecules();
# Line 970 | Line 936 | namespace OpenMD {
936      MPI_Comm_size(MPI_COMM_WORLD, &(parallelData.nProcessors));
937  
938      //pass mpiSimData struct and index arrays to fortran
939 <    setFsimParallel(&parallelData, &(parallelData.nAtomsLocal),
940 <                    &localToGlobalAtomIndex[0],  &(parallelData.nGroupsLocal),
941 <                    &localToGlobalCutoffGroupIndex[0], &isError);
939 >    //setFsimParallel(&parallelData, &(parallelData.nAtomsLocal),
940 >    //                &localToGlobalAtomIndex[0],  &(parallelData.nGroupsLocal),
941 >    //                &localToGlobalCutoffGroupIndex[0], &isError);
942  
943      if (isError) {
944        sprintf(painCave.errMsg,
# Line 983 | Line 949 | namespace OpenMD {
949  
950      sprintf(checkPointMsg, " mpiRefresh successful.\n");
951      errorCheckPoint();
986
952   #endif
988  }
953  
954 <
955 <  void SimInfo::setupSwitchingFunction() {    
956 <    int ft = CUBIC;
957 <    
958 <    if (simParams_->haveSwitchingFunctionType()) {
959 <      string funcType = simParams_->getSwitchingFunctionType();
996 <      toUpper(funcType);
997 <      if (funcType == "CUBIC") {
998 <        ft = CUBIC;
999 <      } else {
1000 <        if (funcType == "FIFTH_ORDER_POLYNOMIAL") {
1001 <          ft = FIFTH_ORDER_POLY;
1002 <        } else {
1003 <          // throw error        
1004 <          sprintf( painCave.errMsg,
1005 <                   "SimInfo error: Unknown switchingFunctionType. (Input file specified %s .)\n"
1006 <                   "\tswitchingFunctionType must be one of: \"cubic\" or \"fifth_order_polynomial\".",
1007 <                   funcType.c_str() );
1008 <          painCave.isFatal = 1;
1009 <          simError();
1010 <        }          
1011 <      }
954 >    initFortranFF(&isError);
955 >    if (isError) {
956 >      sprintf(painCave.errMsg,
957 >              "initFortranFF errror: fortran didn't like something we gave it.\n");
958 >      painCave.isFatal = 1;
959 >      simError();
960      }
961 <
1014 <    // send switching function notification to switcheroo
1015 <    setFunctionType(&ft);
1016 <
1017 <  }
1018 <
1019 <  void SimInfo::setupAccumulateBoxDipole() {    
1020 <
1021 <    // we only call setAccumulateBoxDipole if the accumulateBoxDipole parameter is true
1022 <    if ( simParams_->haveAccumulateBoxDipole() )
1023 <      if ( simParams_->getAccumulateBoxDipole() ) {
1024 <        calcBoxDipole_ = true;
1025 <      }
1026 <
961 >    fortranInitialized_ = true;
962    }
963  
964    void SimInfo::addProperty(GenericData* genData) {
# Line 1060 | Line 995 | namespace OpenMD {
995      Molecule* mol;
996      RigidBody* rb;
997      Atom* atom;
998 +    CutoffGroup* cg;
999      SimInfo::MoleculeIterator mi;
1000      Molecule::RigidBodyIterator rbIter;
1001 <    Molecule::AtomIterator atomIter;;
1001 >    Molecule::AtomIterator atomIter;
1002 >    Molecule::CutoffGroupIterator cgIter;
1003  
1004      for (mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {
1005          
# Line 1073 | Line 1010 | namespace OpenMD {
1010        for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
1011          rb->setSnapshotManager(sman_);
1012        }
1013 +
1014 +      for (cg = mol->beginCutoffGroup(cgIter); cg != NULL; cg = mol->nextCutoffGroup(cgIter)) {
1015 +        cg->setSnapshotManager(sman_);
1016 +      }
1017      }    
1018      
1019    }

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