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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 1549 by gezelter, Wed Apr 27 18:38:15 2011 UTC vs.
Revision 1583 by gezelter, Thu Jun 16 22:00:08 2011 UTC

# Line 54 | Line 54
54   #include "math/Vector3.hpp"
55   #include "primitives/Molecule.hpp"
56   #include "primitives/StuntDouble.hpp"
57 – #include "UseTheForce/DarkSide/neighborLists_interface.h"
58 – #include "UseTheForce/doForces_interface.h"
57   #include "utils/MemoryUtils.hpp"
58   #include "utils/simError.h"
59   #include "selection/SelectionManager.hpp"
# Line 63 | Line 61
61   #include "UseTheForce/ForceField.hpp"
62   #include "nonbonded/SwitchingFunction.hpp"
63  
66 – #ifdef IS_MPI
67 – #include "UseTheForce/mpiComponentPlan.h"
68 – #include "UseTheForce/DarkSide/simParallel_interface.h"
69 – #endif
70 –
64   using namespace std;
65   namespace OpenMD {
66    
# Line 78 | Line 71 | namespace OpenMD {
71      nGlobalIntegrableObjects_(0), nGlobalRigidBodies_(0),
72      nAtoms_(0), nBonds_(0),  nBends_(0), nTorsions_(0), nInversions_(0),
73      nRigidBodies_(0), nIntegrableObjects_(0), nCutoffGroups_(0),
74 <    nConstraints_(0), sman_(NULL), fortranInitialized_(false),
74 >    nConstraints_(0), sman_(NULL), topologyDone_(false),
75      calcBoxDipole_(false), useAtomicVirial_(true) {    
76      
77      MoleculeStamp* molStamp;
# Line 132 | Line 125 | namespace OpenMD {
125      //equal to the total number of atoms minus number of atoms belong to
126      //cutoff group defined in meta-data file plus the number of cutoff
127      //groups defined in meta-data file
135 –    std::cerr << "nGA = " << nGlobalAtoms_ << "\n";
136 –    std::cerr << "nCA = " << nCutoffAtoms << "\n";
137 –    std::cerr << "nG = " << nGroups << "\n";
128  
129      nGlobalCutoffGroups_ = nGlobalAtoms_ - nCutoffAtoms + nGroups;
140 –
141 –    std::cerr << "nGCG = " << nGlobalCutoffGroups_ << "\n";
130      
131      //every free atom (atom does not belong to rigid bodies) is an
132      //integrable object therefore the total number of integrable objects
# Line 280 | Line 268 | namespace OpenMD {
268      fdf_ = fdf_local;
269   #endif
270      return fdf_;
271 +  }
272 +  
273 +  unsigned int SimInfo::getNLocalCutoffGroups(){
274 +    int nLocalCutoffAtoms = 0;
275 +    Molecule* mol;
276 +    MoleculeIterator mi;
277 +    CutoffGroup* cg;
278 +    Molecule::CutoffGroupIterator ci;
279 +    
280 +    for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
281 +      
282 +      for (cg = mol->beginCutoffGroup(ci); cg != NULL;
283 +           cg = mol->nextCutoffGroup(ci)) {
284 +        nLocalCutoffAtoms += cg->getNumAtom();
285 +        
286 +      }        
287 +    }
288 +    
289 +    return nAtoms_ - nLocalCutoffAtoms + nCutoffGroups_;
290    }
291      
292    void SimInfo::calcNdfRaw() {
# Line 752 | Line 759 | namespace OpenMD {
759        if ( simParams_->getAccumulateBoxDipole() ) {
760          calcBoxDipole_ = true;      
761        }
762 <
762 >    
763      set<AtomType*>::iterator i;
764      set<AtomType*> atomTypes;
765      atomTypes = getSimulatedAtomTypes();    
# Line 765 | Line 772 | namespace OpenMD {
772        usesMetallic |= (*i)->isMetal();
773        usesDirectional |= (*i)->isDirectional();
774      }
775 <
775 >    
776   #ifdef IS_MPI    
777      int temp;
778      temp = usesDirectional;
779      MPI_Allreduce(&temp, &usesDirectionalAtoms_, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
780 <
780 >    
781      temp = usesMetallic;
782      MPI_Allreduce(&temp, &usesMetallicAtoms_, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
783 <
783 >    
784      temp = usesElectrostatic;
785      MPI_Allreduce(&temp, &usesElectrostaticAtoms_, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
786 + #else
787 +
788 +    usesDirectionalAtoms_ = usesDirectional;
789 +    usesMetallicAtoms_ = usesMetallic;
790 +    usesElectrostaticAtoms_ = usesElectrostatic;
791 +
792   #endif
793 <    fInfo_.SIM_uses_PBC = usesPeriodicBoundaries_;    
794 <    fInfo_.SIM_uses_DirectionalAtoms = usesDirectionalAtoms_;
795 <    fInfo_.SIM_uses_MetallicAtoms = usesMetallicAtoms_;
796 <    fInfo_.SIM_requires_SkipCorrection = usesElectrostaticAtoms_;
784 <    fInfo_.SIM_requires_SelfCorrection = usesElectrostaticAtoms_;
785 <    fInfo_.SIM_uses_AtomicVirial = usesAtomicVirial_;
793 >    
794 >    requiresPrepair_ = usesMetallicAtoms_ ? true : false;
795 >    requiresSkipCorrection_ = usesElectrostaticAtoms_ ? true : false;
796 >    requiresSelfCorrection_ = usesElectrostaticAtoms_ ? true : false;    
797    }
798  
799  
# Line 825 | Line 836 | namespace OpenMD {
836    }
837  
838  
839 <  void SimInfo::setupFortran() {
829 <    int isError;
839 >  void SimInfo::prepareTopology() {
840      int nExclude, nOneTwo, nOneThree, nOneFour;
831 –    vector<int> fortranGlobalGroupMembership;
832 –    
833 –    isError = 0;
841  
835 –    //globalGroupMembership_ is filled by SimCreator    
836 –    for (int i = 0; i < nGlobalAtoms_; i++) {
837 –      fortranGlobalGroupMembership.push_back(globalGroupMembership_[i] + 1);
838 –    }
839 –
842      //calculate mass ratio of cutoff group
841 –    vector<RealType> mfact;
843      SimInfo::MoleculeIterator mi;
844      Molecule* mol;
845      Molecule::CutoffGroupIterator ci;
# Line 847 | Line 848 | namespace OpenMD {
848      Atom* atom;
849      RealType totalMass;
850  
851 <    //to avoid memory reallocation, reserve enough space for mfact
852 <    mfact.reserve(getNCutoffGroups());
851 >    /**
852 >     * The mass factor is the relative mass of an atom to the total
853 >     * mass of the cutoff group it belongs to.  By default, all atoms
854 >     * are their own cutoff groups, and therefore have mass factors of
855 >     * 1.  We need some special handling for massless atoms, which
856 >     * will be treated as carrying the entire mass of the cutoff
857 >     * group.
858 >     */
859 >    massFactors_.clear();
860 >    massFactors_.resize(getNAtoms(), 1.0);
861      
862      for(mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {        
863 <      for (cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
863 >      for (cg = mol->beginCutoffGroup(ci); cg != NULL;
864 >           cg = mol->nextCutoffGroup(ci)) {
865  
866          totalMass = cg->getMass();
867          for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
868            // Check for massless groups - set mfact to 1 if true
869 <          if (totalMass != 0)
870 <            mfact.push_back(atom->getMass()/totalMass);
869 >          if (totalMass != 0)
870 >            massFactors_[atom->getLocalIndex()] = atom->getMass()/totalMass;
871            else
872 <            mfact.push_back( 1.0 );
872 >            massFactors_[atom->getLocalIndex()] = 1.0;
873          }
874        }      
875      }
# Line 873 | Line 883 | namespace OpenMD {
883          identArray_.push_back(atom->getIdent());
884        }
885      }    
876 –
877 –    //fill molMembershipArray
878 –    //molMembershipArray is filled by SimCreator    
879 –    vector<int> molMembershipArray(nGlobalAtoms_);
880 –    for (int i = 0; i < nGlobalAtoms_; i++) {
881 –      molMembershipArray[i] = globalMolMembership_[i] + 1;
882 –    }
886      
887 <    //setup fortran simulation
887 >    //scan topology
888  
889      nExclude = excludedInteractions_.getSize();
890      nOneTwo = oneTwoInteractions_.getSize();
# Line 893 | Line 896 | namespace OpenMD {
896      int* oneThreeList = oneThreeInteractions_.getPairList();
897      int* oneFourList = oneFourInteractions_.getPairList();
898  
899 <    setFortranSim( &fInfo_, &nGlobalAtoms_, &nAtoms_, &identArray_[0],
897 <                   &nExclude, excludeList,
898 <                   &nOneTwo, oneTwoList,
899 <                   &nOneThree, oneThreeList,
900 <                   &nOneFour, oneFourList,
901 <                   &molMembershipArray[0], &mfact[0], &nCutoffGroups_,
902 <                   &fortranGlobalGroupMembership[0], &isError);
903 <    
904 <    if( isError ){
905 <      
906 <      sprintf( painCave.errMsg,
907 <               "There was an error setting the simulation information in fortran.\n" );
908 <      painCave.isFatal = 1;
909 <      painCave.severity = OPENMD_ERROR;
910 <      simError();
911 <    }
912 <    
913 <    
914 <    sprintf( checkPointMsg,
915 <             "succesfully sent the simulation information to fortran.\n");
916 <    
917 <    errorCheckPoint();
918 <    
919 <    // Setup number of neighbors in neighbor list if present
920 <    if (simParams_->haveNeighborListNeighbors()) {
921 <      int nlistNeighbors = simParams_->getNeighborListNeighbors();
922 <      setNeighbors(&nlistNeighbors);
923 <    }
924 <  
925 < #ifdef IS_MPI    
926 <    mpiSimData parallelData;
927 <
928 <    //fill up mpiSimData struct
929 <    parallelData.nMolGlobal = getNGlobalMolecules();
930 <    parallelData.nMolLocal = getNMolecules();
931 <    parallelData.nAtomsGlobal = getNGlobalAtoms();
932 <    parallelData.nAtomsLocal = getNAtoms();
933 <    parallelData.nGroupsGlobal = getNGlobalCutoffGroups();
934 <    parallelData.nGroupsLocal = getNCutoffGroups();
935 <    parallelData.myNode = worldRank;
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);
942 <
943 <    if (isError) {
944 <      sprintf(painCave.errMsg,
945 <              "mpiRefresh errror: fortran didn't like something we gave it.\n");
946 <      painCave.isFatal = 1;
947 <      simError();
948 <    }
949 <
950 <    sprintf(checkPointMsg, " mpiRefresh successful.\n");
951 <    errorCheckPoint();
952 < #endif
953 <
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 <    fortranInitialized_ = true;
899 >    topologyDone_ = true;
900    }
901  
902    void SimInfo::addProperty(GenericData* genData) {

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