ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/branches/development/src/brains/SimInfo.cpp
(Generate patch)

Comparing branches/development/src/brains/SimInfo.cpp (file contents):
Revision 1530 by gezelter, Tue Dec 28 21:47:55 2010 UTC vs.
Revision 1536 by gezelter, Wed Jan 5 14:49:05 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/doForces_interface.h"
57   #include "UseTheForce/DarkSide/neighborLists_interface.h"
58 + #include "UseTheForce/doForces_interface.h"
59   #include "utils/MemoryUtils.hpp"
60   #include "utils/simError.h"
61   #include "selection/SelectionManager.hpp"
# Line 64 | Line 63
63   #include "UseTheForce/ForceField.hpp"
64   #include "nonbonded/SwitchingFunction.hpp"
65  
67
66   #ifdef IS_MPI
67   #include "UseTheForce/mpiComponentPlan.h"
68   #include "UseTheForce/DarkSide/simParallel_interface.h"
# Line 658 | Line 656 | namespace OpenMD {
656    /**
657     * update
658     *
659 <   *  Performs the global checks and variable settings after the objects have been
660 <   *  created.
659 >   *  Performs the global checks and variable settings after the
660 >   *  objects have been created.
661     *
662     */
663 <  void SimInfo::update() {
666 <    
663 >  void SimInfo::update() {  
664      setupSimVariables();
668    setupCutoffs();
669    setupSwitching();
670    setupElectrostatics();
671    setupNeighborlists();
672
673 #ifdef IS_MPI
674    setupFortranParallel();
675 #endif
676    setupFortranSim();
677    fortranInitialized_ = true;
678
665      calcNdf();
666      calcNdfRaw();
667      calcNdfTrans();
668    }
669    
670 +  /**
671 +   * getSimulatedAtomTypes
672 +   *
673 +   * Returns an STL set of AtomType* that are actually present in this
674 +   * simulation.  Must query all processors to assemble this information.
675 +   *
676 +   */
677    set<AtomType*> SimInfo::getSimulatedAtomTypes() {
678      SimInfo::MoleculeIterator mi;
679      Molecule* mol;
# Line 693 | Line 686 | namespace OpenMD {
686          atomTypes.insert(atom->getAtomType());
687        }      
688      }    
696    return atomTypes;        
697  }
689  
690 <  /**
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 <    }
690 > #ifdef IS_MPI
691  
692 <    InteractionManager::Instance()->setCutoffRadius(cutoffRadius_);
692 >    // loop over the found atom types on this processor, and add their
693 >    // numerical idents to a vector:
694  
695 <    map<string, CutoffMethod> stringToCutoffMethod;
696 <    stringToCutoffMethod["HARD"] = HARD;
697 <    stringToCutoffMethod["SWITCHING_FUNCTION"] = SWITCHING_FUNCTION;
698 <    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 <    }
695 >    vector<int> foundTypes;
696 >    set<AtomType*>::iterator i;
697 >    for (i = atomTypes.begin(); i != atomTypes.end(); ++i)
698 >      foundTypes.push_back( (*i)->getIdent() );
699  
700 <    InteractionManager::Instance()->setCutoffMethod(cutoffMethod_);
701 <  }
702 <  
703 <  /**
704 <   * setupSwitching
705 <   *
706 <   * Sets the values of switchingRadius and
707 <   *  If the switchingRadius was explicitly set, use that value (but check it)
708 <   *  If the switchingRadius was not explicitly set: use 0.85 * cutoffRadius_
709 <   */
710 <  void SimInfo::setupSwitching() {
700 >    // count_local holds the number of found types on this processor
701 >    int count_local = foundTypes.size();
702 >
703 >    // count holds the total number of found types on all processors
704 >    // (some will be redundant with the ones found locally):
705 >    int count;
706 >    MPI::COMM_WORLD.Allreduce(&count_local, &count, 1, MPI::INT, MPI::SUM);
707 >
708 >    // create a vector to hold the globally found types, and resize it:
709 >    vector<int> ftGlobal;
710 >    ftGlobal.resize(count);
711 >    vector<int> counts;
712 >
713 >    int nproc = MPI::COMM_WORLD.Get_size();
714 >    counts.resize(nproc);
715 >    vector<int> disps;
716 >    disps.resize(nproc);
717 >
718 >    // now spray out the foundTypes to all the other processors:
719      
720 <    if (simParams_->haveSwitchingRadius()) {
721 <      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_);
720 >    MPI::COMM_WORLD.Allgatherv(&foundTypes[0], count_local, MPI::INT,
721 >                               &ftGlobal[0], &counts[0], &disps[0], MPI::INT);
722  
723 <    SwitchingFunctionType ft;
723 >    // foundIdents is a stl set, so inserting an already found ident
724 >    // will have no effect.
725 >    set<int> foundIdents;
726 >    vector<int>::iterator j;
727 >    for (j = ftGlobal.begin(); j != ftGlobal.end(); ++j)
728 >      foundIdents.insert((*j));
729      
730 <    if (simParams_->haveSwitchingFunctionType()) {
731 <      string funcType = simParams_->getSwitchingFunctionType();
732 <      toUpper(funcType);
733 <      if (funcType == "CUBIC") {
734 <        ft = cubic;
735 <      } else {
736 <        if (funcType == "FIFTH_ORDER_POLYNOMIAL") {
737 <          ft = fifth_order_poly;
738 <        } 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);
730 >    // now iterate over the foundIdents and get the actual atom types
731 >    // that correspond to these:
732 >    set<int>::iterator it;
733 >    for (it = foundIdents.begin(); it != foundIdents.end(); ++it)
734 >      atomTypes.insert( forceField_->getAtomType((*it)) );
735 >
736 > #endif
737 >    
738 >    return atomTypes;        
739    }
740  
741 <  /**
742 <   * setupSkinThickness
743 <   *
744 <   *  If the skinThickness was explicitly set, use that value (but check it)
745 <   *  If the skinThickness was not explicitly set: use 1.0 angstroms
746 <   */
747 <  void SimInfo::setupSkinThickness() {    
748 <    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 <  }
741 >  void SimInfo::setupSimVariables() {
742 >    useAtomicVirial_ = simParams_->getUseAtomicVirial();
743 >    // we only call setAccumulateBoxDipole if the accumulateBoxDipole parameter is true
744 >    calcBoxDipole_ = false;
745 >    if ( simParams_->haveAccumulateBoxDipole() )
746 >      if ( simParams_->getAccumulateBoxDipole() ) {
747 >        calcBoxDipole_ = true;      
748 >      }
749  
865  void SimInfo::setupSimType() {
750      set<AtomType*>::iterator i;
751      set<AtomType*> atomTypes;
752 <    atomTypes = getSimulatedAtomTypes();
869 <
870 <    useAtomicVirial_ = simParams_->getUseAtomicVirial();
871 <
752 >    atomTypes = getSimulatedAtomTypes();    
753      int usesElectrostatic = 0;
754      int usesMetallic = 0;
755      int usesDirectional = 0;
# Line 898 | Line 779 | namespace OpenMD {
779      fInfo_.SIM_uses_AtomicVirial = usesAtomicVirial_;
780    }
781  
782 <  void SimInfo::setupFortranSim() {
782 >  void SimInfo::setupFortran() {
783      int isError;
784      int nExclude, nOneTwo, nOneThree, nOneFour;
785      vector<int> fortranGlobalGroupMembership;
786      
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
787      isError = 0;
788  
789      //globalGroupMembership_ is filled by SimCreator    
# Line 943 | Line 818 | namespace OpenMD {
818        }      
819      }
820  
821 <    //fill ident array of local atoms (it is actually ident of AtomType, it is so confusing !!!)
821 >    //fill ident array of local atoms (it is actually ident of
822 >    //AtomType, it is so confusing !!!)
823      vector<int> identArray;
824  
825      //to avoid memory reallocation, reserve enough space identArray
# Line 1003 | Line 879 | namespace OpenMD {
879        setNeighbors(&nlistNeighbors);
880      }
881    
1006
1007  }
1008
1009
1010  void SimInfo::setupFortranParallel() {
882   #ifdef IS_MPI    
883 <    //SimInfo is responsible for creating localToGlobalAtomIndex and localToGlobalGroupIndex
883 >    //SimInfo is responsible for creating localToGlobalAtomIndex and
884 >    //localToGlobalGroupIndex
885      vector<int> localToGlobalAtomIndex(getNAtoms(), 0);
886      vector<int> localToGlobalCutoffGroupIndex;
1015    SimInfo::MoleculeIterator mi;
1016    Molecule::AtomIterator ai;
1017    Molecule::CutoffGroupIterator ci;
1018    Molecule* mol;
1019    Atom* atom;
1020    CutoffGroup* cg;
887      mpiSimData parallelData;
1022    int isError;
888  
889      for (mol = beginMolecule(mi); mol != NULL; mol  = nextMolecule(mi)) {
890  
# Line 1059 | Line 924 | namespace OpenMD {
924  
925      sprintf(checkPointMsg, " mpiRefresh successful.\n");
926      errorCheckPoint();
1062
927   #endif
1064  }
928  
929 <
930 <  void SimInfo::setupSwitchingFunction() {    
931 <
932 <  }
933 <
934 <  void SimInfo::setupAccumulateBoxDipole() {    
935 <
936 <    // we only call setAccumulateBoxDipole if the accumulateBoxDipole parameter is true
1074 <    if ( simParams_->haveAccumulateBoxDipole() )
1075 <      if ( simParams_->getAccumulateBoxDipole() ) {
1076 <        calcBoxDipole_ = true;
1077 <      }
1078 <
929 >    initFortranFF(&isError);
930 >    if (isError) {
931 >      sprintf(painCave.errMsg,
932 >              "initFortranFF errror: fortran didn't like something we gave it.\n");
933 >      painCave.isFatal = 1;
934 >      simError();
935 >    }
936 >    fortranInitialized_ = true;
937    }
938  
939    void SimInfo::addProperty(GenericData* genData) {

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines