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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 1530 by gezelter, Tue Dec 28 21:47:55 2010 UTC vs.
Revision 1535 by gezelter, Fri Dec 31 18:31:56 2010 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/doForces_interface.h"
57   #include "UseTheForce/DarkSide/neighborLists_interface.h"
58   #include "utils/MemoryUtils.hpp"
59   #include "utils/simError.h"
# Line 64 | Line 62
62   #include "UseTheForce/ForceField.hpp"
63   #include "nonbonded/SwitchingFunction.hpp"
64  
67
65   #ifdef IS_MPI
66   #include "UseTheForce/mpiComponentPlan.h"
67   #include "UseTheForce/DarkSide/simParallel_interface.h"
# Line 658 | Line 655 | namespace OpenMD {
655    /**
656     * update
657     *
658 <   *  Performs the global checks and variable settings after the objects have been
659 <   *  created.
658 >   *  Performs the global checks and variable settings after the
659 >   *  objects have been created.
660     *
661     */
662 <  void SimInfo::update() {
666 <    
662 >  void SimInfo::update() {  
663      setupSimVariables();
668    setupCutoffs();
669    setupSwitching();
670    setupElectrostatics();
671    setupNeighborlists();
672
673 #ifdef IS_MPI
674    setupFortranParallel();
675 #endif
676    setupFortranSim();
677    fortranInitialized_ = true;
678
664      calcNdf();
665      calcNdfRaw();
666      calcNdfTrans();
667    }
668    
669 +  /**
670 +   * getSimulatedAtomTypes
671 +   *
672 +   * Returns an STL set of AtomType* that are actually present in this
673 +   * simulation.  Must query all processors to assemble this information.
674 +   *
675 +   */
676    set<AtomType*> SimInfo::getSimulatedAtomTypes() {
677      SimInfo::MoleculeIterator mi;
678      Molecule* mol;
# Line 693 | Line 685 | namespace OpenMD {
685          atomTypes.insert(atom->getAtomType());
686        }      
687      }    
696    return atomTypes;        
697  }
688  
689 <  /**
700 <   * setupCutoffs
701 <   *
702 <   * Sets the values of cutoffRadius and cutoffMethod
703 <   *
704 <   * cutoffRadius : realType
705 <   *  If the cutoffRadius was explicitly set, use that value.
706 <   *  If the cutoffRadius was not explicitly set:
707 <   *      Are there electrostatic atoms?  Use 12.0 Angstroms.
708 <   *      No electrostatic atoms?  Poll the atom types present in the
709 <   *      simulation for suggested cutoff values (e.g. 2.5 * sigma).
710 <   *      Use the maximum suggested value that was found.
711 <   *
712 <   * cutoffMethod : (one of HARD, SWITCHED, SHIFTED_FORCE, SHIFTED_POTENTIAL)
713 <   *      If cutoffMethod was explicitly set, use that choice.
714 <   *      If cutoffMethod was not explicitly set, use SHIFTED_FORCE
715 <   */
716 <  void SimInfo::setupCutoffs() {
717 <    
718 <    if (simParams_->haveCutoffRadius()) {
719 <      cutoffRadius_ = simParams_->getCutoffRadius();
720 <    } else {      
721 <      if (usesElectrostaticAtoms_) {
722 <        sprintf(painCave.errMsg,
723 <                "SimInfo: No value was set for the cutoffRadius.\n"
724 <                "\tOpenMD will use a default value of 12.0 angstroms"
725 <                "\tfor the cutoffRadius.\n");
726 <        painCave.isFatal = 0;
727 <        painCave.severity = OPENMD_INFO;
728 <        simError();
729 <        cutoffRadius_ = 12.0;
730 <      } else {
731 <        RealType thisCut;
732 <        set<AtomType*>::iterator i;
733 <        set<AtomType*> atomTypes;
734 <        atomTypes = getSimulatedAtomTypes();        
735 <        for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
736 <          thisCut = InteractionManager::Instance()->getSuggestedCutoffRadius((*i));
737 <          cutoffRadius_ = max(thisCut, cutoffRadius_);
738 <        }
739 <        sprintf(painCave.errMsg,
740 <                "SimInfo: No value was set for the cutoffRadius.\n"
741 <                "\tOpenMD will use %lf angstroms.\n",
742 <                cutoffRadius_);
743 <        painCave.isFatal = 0;
744 <        painCave.severity = OPENMD_INFO;
745 <        simError();
746 <      }            
747 <    }
689 > #ifdef IS_MPI
690  
691 <    InteractionManager::Instance()->setCutoffRadius(cutoffRadius_);
691 >    // loop over the found atom types on this processor, and add their
692 >    // numerical idents to a vector:
693  
694 <    map<string, CutoffMethod> stringToCutoffMethod;
695 <    stringToCutoffMethod["HARD"] = HARD;
696 <    stringToCutoffMethod["SWITCHING_FUNCTION"] = SWITCHING_FUNCTION;
697 <    stringToCutoffMethod["SHIFTED_POTENTIAL"] = SHIFTED_POTENTIAL;    
755 <    stringToCutoffMethod["SHIFTED_FORCE"] = SHIFTED_FORCE;
756 <  
757 <    if (simParams_->haveCutoffMethod()) {
758 <      string cutMeth = toUpperCopy(simParams_->getCutoffMethod());
759 <      map<string, CutoffMethod>::iterator i;
760 <      i = stringToCutoffMethod.find(cutMeth);
761 <      if (i == stringToCutoffMethod.end()) {
762 <        sprintf(painCave.errMsg,
763 <                "SimInfo: Could not find chosen cutoffMethod %s\n"
764 <                "\tShould be one of: "
765 <                "HARD, SWITCHING_FUNCTION, SHIFTED_POTENTIAL, or SHIFTED_FORCE\n",
766 <                cutMeth.c_str());
767 <        painCave.isFatal = 1;
768 <        painCave.severity = OPENMD_ERROR;
769 <        simError();
770 <      } else {
771 <        cutoffMethod_ = i->second;
772 <      }
773 <    } else {
774 <      sprintf(painCave.errMsg,
775 <              "SimInfo: No value was set for the cutoffMethod.\n"
776 <              "\tOpenMD will use SHIFTED_FORCE.\n");
777 <        painCave.isFatal = 0;
778 <        painCave.severity = OPENMD_INFO;
779 <        simError();
780 <        cutoffMethod_ = SHIFTED_FORCE;        
781 <    }
694 >    vector<int> foundTypes;
695 >    set<AtomType*>::iterator i;
696 >    for (i = atomTypes.begin(); i != atomTypes.end(); ++i)
697 >      foundTypes.push_back( (*i)->getIdent() );
698  
699 <    InteractionManager::Instance()->setCutoffMethod(cutoffMethod_);
700 <  }
701 <  
702 <  /**
703 <   * setupSwitching
704 <   *
705 <   * Sets the values of switchingRadius and
706 <   *  If the switchingRadius was explicitly set, use that value (but check it)
707 <   *  If the switchingRadius was not explicitly set: use 0.85 * cutoffRadius_
708 <   */
709 <  void SimInfo::setupSwitching() {
699 >    // count_local holds the number of found types on this processor
700 >    int count_local = foundTypes.size();
701 >
702 >    // count holds the total number of found types on all processors
703 >    // (some will be redundant with the ones found locally):
704 >    int count;
705 >    MPI::COMM_WORLD.Allreduce(&count_local, &count, 1, MPI::INT, MPI::SUM);
706 >
707 >    // create a vector to hold the globally found types, and resize it:
708 >    vector<int> ftGlobal;
709 >    ftGlobal.resize(count);
710 >    vector<int> counts;
711 >
712 >    int nproc = MPI::COMM_WORLD.Get_size();
713 >    counts.resize(nproc);
714 >    vector<int> disps;
715 >    disps.resize(nproc);
716 >
717 >    // now spray out the foundTypes to all the other processors:
718      
719 <    if (simParams_->haveSwitchingRadius()) {
720 <      switchingRadius_ = simParams_->getSwitchingRadius();
797 <      if (switchingRadius_ > cutoffRadius_) {        
798 <        sprintf(painCave.errMsg,
799 <                "SimInfo: switchingRadius (%f) is larger than cutoffRadius(%f)\n",
800 <                switchingRadius_, cutoffRadius_);
801 <        painCave.isFatal = 1;
802 <        painCave.severity = OPENMD_ERROR;
803 <        simError();
804 <      }
805 <    } else {      
806 <      switchingRadius_ = 0.85 * cutoffRadius_;
807 <      sprintf(painCave.errMsg,
808 <              "SimInfo: No value was set for the switchingRadius.\n"
809 <              "\tOpenMD will use a default value of 85 percent of the cutoffRadius.\n"
810 <              "\tswitchingRadius = %f. for this simulation\n", switchingRadius_);
811 <      painCave.isFatal = 0;
812 <      painCave.severity = OPENMD_WARNING;
813 <      simError();
814 <    }          
815 <  
816 <    InteractionManager::Instance()->setSwitchingRadius(switchingRadius_);
719 >    MPI::COMM_WORLD.Allgatherv(&foundTypes[0], count_local, MPI::INT,
720 >                               &ftGlobal[0], &counts[0], &disps[0], MPI::INT);
721  
722 <    SwitchingFunctionType ft;
722 >    // foundIdents is a stl set, so inserting an already found ident
723 >    // will have no effect.
724 >    set<int> foundIdents;
725 >    vector<int>::iterator j;
726 >    for (j = ftGlobal.begin(); j != ftGlobal.end(); ++j)
727 >      foundIdents.insert((*j));
728      
729 <    if (simParams_->haveSwitchingFunctionType()) {
730 <      string funcType = simParams_->getSwitchingFunctionType();
731 <      toUpper(funcType);
732 <      if (funcType == "CUBIC") {
733 <        ft = cubic;
734 <      } else {
735 <        if (funcType == "FIFTH_ORDER_POLYNOMIAL") {
736 <          ft = fifth_order_poly;
737 <        } else {
829 <          // throw error        
830 <          sprintf( painCave.errMsg,
831 <                   "SimInfo : Unknown switchingFunctionType. (Input file specified %s .)\n"
832 <                   "\tswitchingFunctionType must be one of: "
833 <                   "\"cubic\" or \"fifth_order_polynomial\".",
834 <                   funcType.c_str() );
835 <          painCave.isFatal = 1;
836 <          painCave.severity = OPENMD_ERROR;
837 <          simError();
838 <        }          
839 <      }
840 <    }
841 <
842 <    InteractionManager::Instance()->setSwitchingFunctionType(ft);
729 >    // now iterate over the foundIdents and get the actual atom types
730 >    // that correspond to these:
731 >    set<int>::iterator it;
732 >    for (it = foundIdents.begin(); it != foundIdents.end(); ++it)
733 >      atomTypes.insert( forceField_->getAtomType((*it)) );
734 >
735 > #endif
736 >    
737 >    return atomTypes;        
738    }
739  
740 <  /**
741 <   * setupSkinThickness
742 <   *
743 <   *  If the skinThickness was explicitly set, use that value (but check it)
744 <   *  If the skinThickness was not explicitly set: use 1.0 angstroms
745 <   */
746 <  void SimInfo::setupSkinThickness() {    
747 <    if (simParams_->haveSkinThickness()) {
853 <      skinThickness_ = simParams_->getSkinThickness();
854 <    } else {      
855 <      skinThickness_ = 1.0;
856 <      sprintf(painCave.errMsg,
857 <              "SimInfo Warning: No value was set for the skinThickness.\n"
858 <              "\tOpenMD will use a default value of %f Angstroms\n"
859 <              "\tfor this simulation\n", skinThickness_);
860 <      painCave.isFatal = 0;
861 <      simError();
862 <    }            
863 <  }
740 >  void SimInfo::setupSimVariables() {
741 >    useAtomicVirial_ = simParams_->getUseAtomicVirial();
742 >    // we only call setAccumulateBoxDipole if the accumulateBoxDipole parameter is true
743 >    calcBoxDipole_ = false;
744 >    if ( simParams_->haveAccumulateBoxDipole() )
745 >      if ( simParams_->getAccumulateBoxDipole() ) {
746 >        calcBoxDipole_ = true;      
747 >      }
748  
865  void SimInfo::setupSimType() {
749      set<AtomType*>::iterator i;
750      set<AtomType*> atomTypes;
751 <    atomTypes = getSimulatedAtomTypes();
869 <
870 <    useAtomicVirial_ = simParams_->getUseAtomicVirial();
871 <
751 >    atomTypes = getSimulatedAtomTypes();    
752      int usesElectrostatic = 0;
753      int usesMetallic = 0;
754      int usesDirectional = 0;
# Line 898 | Line 778 | namespace OpenMD {
778      fInfo_.SIM_uses_AtomicVirial = usesAtomicVirial_;
779    }
780  
781 <  void SimInfo::setupFortranSim() {
781 >  void SimInfo::setupFortran() {
782      int isError;
783      int nExclude, nOneTwo, nOneThree, nOneFour;
784      vector<int> fortranGlobalGroupMembership;
785      
906    notifyFortranSkinThickness(&skinThickness_);
907
908    int ljsp = cutoffMethod_ == SHIFTED_POTENTIAL ? 1 : 0;
909    int ljsf = cutoffMethod_ == SHIFTED_FORCE ? 1 : 0;
910    notifyFortranCutoffs(&cutoffRadius_, &switchingRadius_, &ljsp, &ljsf);
911
786      isError = 0;
787  
788      //globalGroupMembership_ is filled by SimCreator    
# Line 943 | Line 817 | namespace OpenMD {
817        }      
818      }
819  
820 <    //fill ident array of local atoms (it is actually ident of AtomType, it is so confusing !!!)
820 >    //fill ident array of local atoms (it is actually ident of
821 >    //AtomType, it is so confusing !!!)
822      vector<int> identArray;
823  
824      //to avoid memory reallocation, reserve enough space identArray
# Line 1003 | Line 878 | namespace OpenMD {
878        setNeighbors(&nlistNeighbors);
879      }
880    
881 <
882 <  }
883 <
1009 <
1010 <  void SimInfo::setupFortranParallel() {
1011 < #ifdef IS_MPI    
1012 <    //SimInfo is responsible for creating localToGlobalAtomIndex and localToGlobalGroupIndex
881 > #ifdef IS_MPI    
882 >    //SimInfo is responsible for creating localToGlobalAtomIndex and
883 >    //localToGlobalGroupIndex
884      vector<int> localToGlobalAtomIndex(getNAtoms(), 0);
885      vector<int> localToGlobalCutoffGroupIndex;
1015    SimInfo::MoleculeIterator mi;
1016    Molecule::AtomIterator ai;
1017    Molecule::CutoffGroupIterator ci;
1018    Molecule* mol;
1019    Atom* atom;
1020    CutoffGroup* cg;
886      mpiSimData parallelData;
1022    int isError;
887  
888      for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
889  
# Line 1059 | Line 923 | namespace OpenMD {
923  
924      sprintf(checkPointMsg, " mpiRefresh successful.\n");
925      errorCheckPoint();
1062
926   #endif
927 <  }
1065 <
1066 <
1067 <  void SimInfo::setupSwitchingFunction() {    
1068 <
1069 <  }
1070 <
1071 <  void SimInfo::setupAccumulateBoxDipole() {    
1072 <
1073 <    // we only call setAccumulateBoxDipole if the accumulateBoxDipole parameter is true
1074 <    if ( simParams_->haveAccumulateBoxDipole() )
1075 <      if ( simParams_->getAccumulateBoxDipole() ) {
1076 <        calcBoxDipole_ = true;
1077 <      }
1078 <
927 >    fortranInitialized_ = true;
928    }
929  
930    void SimInfo::addProperty(GenericData* genData) {

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