1 | #ifndef data_h
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2 | #define data_h
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3 |
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4 | /** \file data.h
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5 | * Defines most of the important data structures.
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6 | * Such as structures containing command line options CallOptions, densities Density, energies Energy,
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7 | * lattice information Lattice and levelwise LatticeLevel, for all wave functions Psis downto one Psi
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8 | * OnePsiElement and OnePsiElementAddData, wave functions on the lattice level LevelPsi, the reciprocal
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9 | * grid vector OneGData, filenames and paths FileData oder super structures containing the whole Problem
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10 | * or data for the parallelisation ParallelSimulationData and the fft plans RPlans.
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11 | *
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12 | Project: ParallelCarParrinello
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13 | Jan Hamaekers
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14 | 2000
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15 |
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16 | File: data.h
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17 | $Id: data.h,v 1.102 2007-02-09 09:13:48 foo Exp $
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18 | */
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19 | #include "mpi.h"
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20 |
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21 | // use double precision fft when we have it
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22 | #ifdef HAVE_CONFIG_H
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23 | #include <config.h>
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24 | #endif
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25 |
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26 | #ifdef HAVE_DFFTW_H
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27 | #include "dfftw.h"
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28 | #else
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29 | #include "fftw.h"
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30 | #endif
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31 |
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32 | #include "defs.h"
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33 | #include <signal.h>
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34 | /*extern volatile sig_atomic_t cpulim;*/
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35 | #define PROCDIM (2) //!< specifying the number in \ref ParallelDivideDims
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36 | #define MaxOutGroup 7 //!< specifying the number in \ref OutGroup
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37 | //! various verbose output groups, individually associable with levels (LeaderOut = process 0,...)
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38 | enum OutGroup { MinOut, //!< minimum output
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39 | NormalOut, //!< normal output
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40 | ValueOut, //!< output of calculated value
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41 | LeaderOut, //!< output of process 0
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42 | ReadOut, //!< output of parsed values
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43 | PsiOut, //!< output of Psi-related numbers
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44 | StepLeaderOut //!< output of minimsation step and NIDensity
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45 | };
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46 | //! enumerating output verbosity levels
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47 | enum OutType { OutNone, //!< no -v specified (no output)
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48 | OutNormal, //!< -v (status information, minimum output, some calculate values)
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49 | OutNormalP, //!< -vv (status information, minimum output, more calculated values)
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50 | OutMore, //!< -vvv (steady output while minimising)
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51 | OutMoreP, //!< -vvvv (all processes)
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52 | OutAll, //!< not used
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53 | OutAllP //!< not used
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54 | };
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55 | //! enumerating usage status
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56 | enum UseType { NotInUse, //!< is not in use
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57 | InUse //!< is in use
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58 | };
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59 | //! enumerating the two groups in parallel divide&conquer strategy
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60 | enum ParallelDivideDims { PEGamma, //!< process in Psi group among coefficients are shared
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61 | PEPsi //!< process groups among wave functions are shared
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62 | };
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63 | //! enumerating RiemannTensor usage
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64 | enum UseRiemannTensor { UseNotRT, //!< don't use RiemannTensor calculus
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65 | UseRT //!< use RiemannTensor calculus
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66 | };
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67 | //! enumerating how to deal with spin
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68 | enum UseSpinType { UseSpinDouble, //!< Spin is always double in each orbit (occupation number is 2)
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69 | UseSpinUpDown //!< Treat each orbit differently for its SpinType#SpinUp and SpinType#SpinDown part
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70 | };
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71 | //! SpinType is separated Up and Down or combined Double
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72 | enum SpinType { SpinDouble, //!< Type is double, orbits always fully occupied
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73 | SpinUp, //!< Type of orbit spin is up
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74 | SpinDown //!< Type of orbit spin is down
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75 | }; /*!< Double == 0 !!! */
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76 | #define MaxDensityTypes 22 //!< number of different densities
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77 | #define MaxInitDensityTypes 13 //!< cardinal number of density up to which all before need to be reseted in InitDensityCalculation()
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78 | //! enumerating the various density types
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79 | enum DensityTypes { ActualDensity, //!< current density (in calculation)
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80 | TotalDensity, //!< total density over all processes
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81 | TotalLocalDensity, //!< total density stored in this process
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82 | TotalUpDensity, //!< total density with spin up over all processes
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83 | TotalDownDensity, //!< total density with spin down over all processes
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84 | CoreWaveDensity, //!< density of the wave functions in the core range, see PseudoPot
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85 | HGcDensity, //!< sum of gaussian and local PseudoPot'ential density
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86 | GapDensity, //!< density of the all "unoccupied" additional wave functions
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87 | GapUpDensity, //!< density of the all "unoccupied" additional wave functions
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88 | GapDownDensity, //!< density of the all "unoccupied" additional wave functions
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89 | GapLocalDensity, //!< density of the "unoccupied" additional wave functions stored in this process
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90 | TempDensity, //!< temporal working array, used mostly in fft transforms
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91 | Temp2Density, //!< another temporal working array
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92 | CurrentDensity0, //!< current density[0][0] = d/dB_0 current[0]
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93 | CurrentDensity1, //!< current density[1][0] = d/dB_0 current[1]
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94 | CurrentDensity2, //!< current density[2][0] = d/dB_0 current[2]
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95 | CurrentDensity3, //!< current density[0][1] = d/dB_1 current[0]
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96 | CurrentDensity4, //!< current density[1][1] = d/dB_1 current[1]
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97 | CurrentDensity5, //!< current density[2][1] = d/dB_1 current[2]
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98 | CurrentDensity6, //!< current density[0][2] = d/dB_2 current[0]
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99 | CurrentDensity7, //!< current density[1][2] = d/dB_2 current[1]
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100 | CurrentDensity8 //!< current density[2][2] = d/dB_2 current[2]
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101 | };
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102 | /*! enumerating density types which differ for DensityArray and DensityCArray, as follows:
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103 | CoreWave only DensityArray (real)
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104 | ActualPsiDensity only DensityCArray (complex)
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105 | HGcDensity only DensityArray (real)
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106 | HGDensity only DensityCArray (complex)
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107 | */
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108 |
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109 | enum DoubleDensityTypes { HGDensity=HGcDensity, //!< the local potential \f$V^H (G) + V^{ps,loc} (G)\f$
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110 | ActualPsiDensity=CoreWaveDensity //!< the local psi coefficients
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111 | };
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112 | #define MaxPsiNoType 7 //!< maximum number of different wave function types
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113 | //! enumerating Psi numbering type
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114 | enum PsiNoType { PsiMaxNo, //!< maximum number of wave functions
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115 | PsiMaxNoDouble, //!< maximum number of wave functions in SpinType#SpinDouble case
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116 | PsiMaxNoUp, //!< maximum number of wave functions with spin up
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117 | PsiMaxNoDown, //!< maximum number of wave functions with spin down
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118 | PsiMaxAdd //!< number of additional (unoccupied) wave functions helpful in improving the minimisation
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119 | };
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120 | //! Enumerating different G vector types, due to the gamma point symmetry! (mirroring of Gs)
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121 | enum DoubleGType { DoubleGNot, //!< not a reciprocal grid vector on (z=0)-plane (no symmetry can be utilized)
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122 | DoubleG0, //!< is the (0,0,0) reciprocal grid vector
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123 | DoubleGUse, //!< reciprocal grid vector which resides on the (z=0)-plane in the first and third sector and thus has symmetry \f$c_{i,G}^\ast = -c_{i,-G}\f$
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124 | DoubleGNotUse //!< reciprocal grid vector which resides on the (z=0)-plane in the second and fourth sector
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125 | };
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126 | //! Enumerating states of the current GramSchmidt-Orthonormalization of a wave function
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127 | enum PsiGramSchStatusType { NotOrthogonal, //!< is not yet orthogonalized
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128 | IsOrthogonal, //!< is orthohonal yet not normalized
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129 | IsOrthonormal, //!< is orthonormal
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130 | NotUsedToOrtho //!< not touched during GramSch()
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131 | };
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132 | //! Enumerating what remains to do for this wave function
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133 | enum PsiGramSchToDoType { Orthonormalize, //!< must still be orthogonalized and normalized
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134 | Orthogonalize //!< must still be normalized
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135 | };
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136 |
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137 | //! Enumerating the ToDo status for this wave function
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138 | enum MinimisationStatusType { Minimalise, //!< wave function ought to be minimalized
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139 | DoNotMinimalise, //!< wave function is used to evaluate however not itself minimised
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140 | NotUsedToMinimalise //!< ignore this wave function completely during minimisation
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141 | };
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142 |
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143 |
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144 | #define perturbations 6
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145 |
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146 | //! Enumerating the Type of this wave function
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147 | enum PsiTypeTag { Occupied, //!< normal occupied wave function
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148 | UnOccupied, //!< additional unoccupied wave function foor gap energy
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149 | Perturbed_P0, //!< perturbed wave function \f$|\varphi^{(p_0)}\rangle\f$ used to evaluate current density
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150 | Perturbed_P1, //!< perturbed wave function \f$|\varphi^{(p_1)}\rangle\f$ used to evaluate current density
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151 | Perturbed_P2, //!< perturbed wave function \f$|\varphi^{(p_2)}\rangle\f$ used to evaluate current density
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152 | Perturbed_RxP0, //!< perturbed wave function \f$|\varphi^{(r\times p)_0}\rangle\f$ used to evaluate current density
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153 | Perturbed_RxP1, //!< perturbed wave function \f$|\varphi^{(r\times p)_1}\rangle\f$ used to evaluate current density
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154 | Perturbed_RxP2, //!< perturbed wave function \f$|\varphi^{(r\times p)_2}\rangle\f$ used to evaluate current density
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155 | Extra //!< extra wave function (used for gradient calculation)
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156 | };
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157 |
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158 | //! Enumerating whether this is active or not (such as motion of ions, use of RiemannTensor, ...)
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159 | enum ModeType { inactive, //!< generally deactivated
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160 | active, //!< activated
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161 | standby //!< temporarily deactivated
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162 | };
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163 | /* MPI Tags */
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164 | #define GramSchTag1 100 //!< Message consists of wave function coefficients needed during the Orthogonalization in GramSch()
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165 | #define GramSchTag2 101 //!< Message consists of orthogonal projections calculated during the Orthogonalization in GramSch()
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166 | #define GramSchTag3 102 //!< Message consists of wave function coefficients during Testing in TestGramSch()
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167 | #define InterTag1 110
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168 | #define DensityTag1 120 //!< Message on exchange of complex TotalUpDensity, see InitDensityCalculation()
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169 | #define DensityTag2 121 //!< Message on exchange of complex TotalDownDensity, see InitDensityCalculation()
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170 | #define DensityTag3 122 //!< Message on exchange of TotalUpDensity, see InitDensityCalculation()
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171 | #define DensityTag4 123 //!< Message on exchange of TotalDownDensity, see InitDensityCalculation()
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172 | #define DensityTag5 124 //!< Message on exchange of NIUpDensity, see InitDensityCalculation()
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173 | #define DensityTag6 125 //!< Message on exchange of NIDownDensity, see InitDensityCalculation()
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174 | #define DensityTag7 126 //!< Message on exchange of complex GapUpDensity, see InitDensityCalculation()
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175 | #define DensityTag8 127 //!< Message on exchange of complex GapDownDensity, see InitDensityCalculation()
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176 | #define DensityTag9 128 //!< Message on exchange of GapUpDensity, see InitDensityCalculation()
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177 | #define DensityTag0 129 //!< Message on exchange of GapDownDensity, see InitDensityCalculation()
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178 | #define OutputDensTag 140 //!< Message consists of FileData::work being sent to process 0 on output of visual data, see OutputOutVisDensity()
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179 | #define ReadSrcPsiTag 141 //!< Used during reading and send/recv of psi coefficients in ReadSrcPsiDensity()
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180 | #define OutputSrcPsiTag 142 //!< Message consists of Density::DensityArray[TempDensity] being sent to process 0 on output of source Psis (saving of current state), see OutputSrcPsiDensity()
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181 | #define ParseWannierTag 143 //!< Used during send/recv of wannier centres and spread in ParseWannierFile()
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182 | #define PlotRealDensityTag 145 //!< 4 doubles exchanged during PlotRealDensity() storing to file
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183 | #define AllMaxLocalNoTag1 150
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184 | #define AllMaxLocalNoTag2 151
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185 | #define HamiltonianTag 160 //!< Message consists of orbit coefficients sent/received during the setup of the hamiltonian matrix
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186 | #define HamiltonianTag2 161 //!< Message consists of orbit coefficients sent/received during the setup of the hamiltonian matrix
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187 | #define WannierTag1 170 //!< Message consists of orbital coefficients sent/received during iteration of wannier functions
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188 | #define WannierTag2 171 //!< Message consists of orbital coefficients sent/received during application of transformation matrix
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189 | #define WannierTag3 172 //!< Message consists of matrix elements A_ij sent/received during evaluating of operator matrices
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190 | #define WannierTag4 173 //!< Message consists of matrix elements B_ij sent/received during evaluating of operator matrices
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191 | #define OtherPsiTag1 180 //!< Message consists of OnePsiElement data from the Spinype#SpinUp group
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192 | #define OtherPsiTag2 181 //!< Message consists of OnePsiElement data from the Spinype#SpinDown group
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193 | #define StopTag1 190 //!< Message consists of stop flag from the Spinype#SpinUp group
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194 | #define StopTag2 191 //!< Message consists of stop flag from the Spinype#SpinDown group
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195 | #define EnergyTag1 200 //!< Message consists of Energy#AllUpPsiEnergy during EnergyAllReduce()
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196 | #define EnergyTag2 201 //!< Message consists of Energy#AllDownPsiEnergy during EnergyAllReduce()
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197 | #define EnergyTag3 203
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198 | #define EnergyTag4 204
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199 | #define EnergyTag5 205 //!< Message consists of partial Energy#TotalEnergy results, sent during EnergyAllReduce()
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200 | #define EnergyTag6 206 //!< Message consists of partial Energy#TotalEnergy results, sent during EnergyAllReduce()
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201 | #define OverlapTag 210 //!< Message consists of wave function coefficients sent during CalculatePerturbedOverlap()
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202 | #define PerturbedTag 211 //!< Message consists of wave function coefficients sent during Calculate1stPerturbedDerivative()
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203 | #define CurrentTag1 221 //!< Message consists of current density SpinType#SpinUp components sent during CalculateForce()
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204 | #define CurrentTag2 222 //!< Message consists of current density Spinype#SpinDown components sent during CalculateForce()
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205 | #define WannierCTag 230 //!< Wannier rotation exchange
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206 | #define WannierSTag 231 //!< Wannier rotation exchange
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207 | #define WannierALTag 240 //!< Wannier index exchange
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208 | #define WannierARTag 241 //!< Wannier index exchange
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209 |
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210 |
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211 | /** Options from command line.
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212 | * This structure is generally filled with options from the command
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213 | * line, scanned by \ref GetOptions()
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214 | */
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215 | struct CallOptions {
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216 | char* MainParameterFile; //!< main parameter file
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217 | char* ForcesFile; //!< ForcesFile: is NULL if we don't parse forces from file and solve the ground state problem, otherwise don't solve and parse
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218 | int debug; //!< (1) debug, (2) debug on errors
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219 | int nicelevel; //!< nice level for executable
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220 | int Out; //!< verbosity level
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221 | int out[MaxOutGroup]; //!< print stderr-msg? for each group -v
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222 | unsigned int alarm; //!< set alarm after alarm seconds
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223 | int proc[PROCDIM]; //!< process per gamma point, process per wave fct
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224 | int ReadSrcFiles; //!< 0 - don't, 1 - read old source file containing previous calculations
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225 | int WriteSrcFiles; //!< 0 - don't, 1 - write source file on exit with so far made calculations
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226 | int AddNFactor; //!< ugly hack to fix read srcpsi
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227 | };
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228 |
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229 | /** Structure containing file names and paths.
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230 | * mainname, mainpath, path to config file, but also integers stating
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231 | * whether outputfile (visual, measures) should be written and their
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232 | * respective output file pointers
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233 | */
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234 | struct FileData {
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235 | char *mainname; //!< full name of programme including path
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236 | char *filename; //!< name of programme
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237 | char *mainpath; //!< full path to programme
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238 | char *default_path; //!< path to default parameter file
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239 | char *pseudopot_path; //!< path ot pseudopotential files
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240 | int *OutVisStep; //!< Currently so and so often has visual data output occurred
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241 | int MeOutVis; //!< 1 - visual data are written to files, 0 - no output (for this process)
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242 | int MeOutCurr; //!< 1 - visual data of current density written to file, 0 - no output, no calculation (for this process)
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243 | int MeOutMes; //!< 1 - energy, forces and temperatures are written to files, 0 - no output (for this process)
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244 | FILE *ForcesFile; //!< where the forces are written to
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245 | FILE *EnergyFile; //!< where the energies are written to
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246 | FILE *SpeedFile; //!< where the timing are written to
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247 | FILE *HamiltonianFile;//!< where the explicit hamiltonian is written to (for retrieving Kohn-Sham-Eigenvalues)
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248 | FILE *SpreadFile; //!< where spread and wannier centers for each orbital are written to
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249 | FILE *ReciSpreadFile; //!< where reciprocal spread for each orbital is written to
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250 | FILE *MinimisationFile; //!< where TE, ATE, delta and various other elements from each minimisation steps are written to
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251 | FILE *TemperatureFile;//!< where the temperatures are written to
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252 | /* Arrays */
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253 | int TotalSize; //!< total number of coefficients (nodes) on all processes
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254 | int LocalSizeR; //!< local (total) number of real nodes, twice FileData::LocalSizeC
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255 | int LocalSizeC; //!< local (total) number of real nodes
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256 | int MaxNUp;
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257 | fftw_complex *PosC; //!< complex coefficients array for the output of densities
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258 | fftw_complex *PosTemp;
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259 | fftw_complex *PosFactor;
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260 | fftw_complex *work; //!< working coefficients array for the output of densities
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261 | fftw_real *PosR; //!< real coefficients array for the output of densities
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262 | enum ModeType *OutputPosType; //!< active - RiemannTensor is used, nonactive/standby - not
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263 | int DoOutVis; //!< 1 - visual data are written to files, 0 - no output (generally)
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264 | int DoOutMes; //!< 1 - energy and forces are written to files, 0 - no output (generally)
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265 | int DoOutCurr; //!< 1 - visual data of current density written to file, 0 - no output, no calculation
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266 | int DoOutNICS; //!< 1 - visual data of nuclear induced current shieldings written to file, 0 - no output, no calculation
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267 | int DoOutOrbitals; //!< 1 - output each orbital density, 0 - just total density
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268 | };
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269 |
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270 | /** Structure containing info for MPI interface.
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271 | * Such as process number, various communicators (interfacing groups in MPI), TID.
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272 | * Always it's my (of this current process) process number within the group, within
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273 | * the communicator, etc.
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274 | */
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275 | struct ParallelSimulationData {
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276 | int procs; //!< overall number of processes
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277 | int proc[PROCDIM]; //!< number of processes per gamma point and per wave function
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278 | int mypos[PROCDIM]; //!< I am the mypos-th process with the per gamma point or per wave function group
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279 | int me; //!< my process id among all
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280 | int mytid; //!< My TID
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281 | int partid; //!< Parent TID
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282 |
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283 | MPI_Comm world; //!< Group: MPI_COMM_WORLD (including maybe callers)
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284 | MPI_Comm comm; //!< Group: all participating processe on this Problem at hand
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285 |
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286 | MPI_Comm comm_ST; //!< Communicator for SpinDouble or SpinUpDown, thus either the whold world of one half of the world
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287 | int me_comm_ST; //!< my number within this communicator (going from 0 to Max_me_comm_ST-1)
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288 | int my_color_comm_ST; //!< either just 0 color(SpinDouble) or 0,1 (SpinUp - SpinDown)
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289 | int Max_me_comm_ST; //!< maximum number of processes in this SinUp/Down communicator, full number of total processes in SpinDouble, half the number in SpinUpDown
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290 | int Max_my_color_comm_ST; //!< maximum number regarding color (either 1 for SpinDouble or 2 for SpinUpDown)
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291 |
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292 | MPI_Comm comm_STInter; //!< InterComm needed for SpinUp/Down case
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293 |
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294 | MPI_Comm comm_ST_Psi; //!< SubComm for comm_ST Communicator Psi, these refer to the same wave function, sharing its coefficients on both grids
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295 | int me_comm_ST_Psi; //!< my number within this communicator
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296 | int my_color_comm_ST_Psi; //!< my number, either just one color(SpinDouble) or two (SpinUp - SpinDown)
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297 | int Max_me_comm_ST_Psi; //!< maximum number of processes in this Psi communicator
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298 | int Max_my_color_comm_ST_Psi; //!< ??? maximum number regarding color (one or two)
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299 |
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300 | MPI_Comm comm_ST_PsiT; //!< SubComm of comm_ST Communicator of processes that need to exchange wave funcions (GramSch())
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301 | int me_comm_ST_PsiT; //!< Transposed of comm_ST_Psi
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302 | int my_color_comm_ST_PsiT; //!< either just one color(SpinDouble) or two (SpinUp - SpinDown)
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303 | int Max_me_comm_ST_PsiT; //!< maximum number of processes in this GramSch communicator
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304 | int Max_my_color_comm_ST_PsiT;//!< ??? maximum number regarding color (one or two)
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305 | };
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306 |
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307 | struct RPlans {
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308 | struct LevelPlan *plan;
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309 | fftw_complex *cdata;
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310 | fftw_real *rdata;
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311 | };
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312 |
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313 | /** one reciprocal grid vector G.
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314 | */
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315 | struct OneGData {
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316 | int Index; //!< index is needed to access elements in the upper Lev0, when densities are stored in reciprocal base, Density#DensityCArray
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317 | int GlobalIndex;
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318 | double GSq; //!< squared norm of G vector
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319 | double G[NDIM]; //!< integer cooefficients of reciprocal vector
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320 | };
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321 |
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322 | struct GDataHash {
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323 | int i; //!< index running over each GArray from process zero to max.
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324 | int myPE; //!< to which process does it belong
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325 | };
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326 |
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327 | /** Structure for the Psis per LatticeLevel.
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328 | */
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329 | struct LevelPsi {
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330 | fftw_complex **LocalPsi; //!< are the current complex coefficients of Psis, stored locally in this process (OnePsiElement::LocalNo), initialised by PsiDat, used for orthonormlization of non-Psis
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331 | fftw_complex **OldLocalPsi;//!< are the old complex coefficients of Psis, stored locally in this process (OnePsiElement::LocalNo), initialised by OldPsiDat. Needed to UpdateWavesAfterIonMove() and ComputeMLWF()
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---|
332 | fftw_complex *PsiDat; //!< contains the initial complex coefficients of all wave functions (even temporary ones)
|
---|
333 | fftw_complex *OldPsiDat; //!< contains the old complex coefficients of all wave functions (even temporary ones)
|
---|
334 | fftw_complex *TempPsi; //!< temporal array used in GramSch(), size of LatticeLevel:MaxG, always the Psi to be orthogonalized
|
---|
335 | fftw_complex *TempPsi2; //!< pointer to a Psi used in GramSch(), always the Psi already orthogonalized
|
---|
336 | };
|
---|
337 |
|
---|
338 | /** Structure containing one wave function.
|
---|
339 | */
|
---|
340 | struct OnePsiElement {
|
---|
341 | int me_comm_ST_Psi; //!< this wave function belongs to this process in the communicator Psi
|
---|
342 | int my_color_comm_ST_Psi; //!< this wave function belongs to this process in the communicator PsiT
|
---|
343 | int MyLocalNo; //!< continuing number among the Psis that are local to this process
|
---|
344 | int MyGlobalNo; //!< continuing global number among all Psis
|
---|
345 | int/*enum PsiGramSchStatusType*/ PsiGramSchStatus; //!< Status of how far the Gram-Schmidt-Orthonormalization has gone yet for this Psi
|
---|
346 | enum MinimisationStatusType MinimisationStatus; //!< Status of how far the Gram-Schmidt-Orthonormalization has gone yet for this Psi
|
---|
347 | enum PsiTypeTag PsiType; //!< what type of wave function: normal (occupied), extra (gradient) or unoccupied Psi
|
---|
348 | double PsiFactor; //!< occupation number, hard-coded (2.0 in SpinDouble case or 1.0 in SpinUpDown case)
|
---|
349 | double PsiReciNorm2; //!< reciprocal norm of Psi being the Sum over all reciprocal grid vectors.
|
---|
350 | int DoBrent; //!< signals switching to brent iteration in line search
|
---|
351 | };
|
---|
352 |
|
---|
353 | /** Additional Data to a wave function OnePsiElement.
|
---|
354 | * Contains energy, kinetic eigenvalues, performed minimalization steps.
|
---|
355 | */
|
---|
356 | struct OnePsiElementAddData {
|
---|
357 | double Lambda; //!< energy eigenvalue \f$\lambda_i = \langle \psi_i^{(m)}|H|\psi_i^{(m)} \rangle\f$
|
---|
358 | double T; //!< kinetic eigenvalue \f$\langle \psi_i | \ \frac{1}{2} \nabla^2 | psi_i \rangle\f$
|
---|
359 | double Gamma; //!< scalar product between the gradient of the wave function and the preconditioned one at this \ref Step
|
---|
360 | int Step; //!< holds count of currently made minimalization steps
|
---|
361 | double WannierCentre[NDIM]; //!< NDIM coordinates of wannier centre of this orbital
|
---|
362 | double WannierSpread; //!< current spread of this orbital
|
---|
363 | };
|
---|
364 |
|
---|
365 |
|
---|
366 | /** Structure about all wave functions a.k.a orbits.
|
---|
367 | * Containing variables such as SpinType, LocalNo, PsiGroup, OnePsiElement array and
|
---|
368 | * various densities.
|
---|
369 | */
|
---|
370 | struct Psis {
|
---|
371 | enum UseSpinType Use; //!< Use Spin Up/Down or not (Double)
|
---|
372 | enum SpinType PsiST; //!< Spin Type: Up, Down or Double
|
---|
373 | int GlobalNo[MaxPsiNoType];//!< global number of Psis for the four plus one cases: Max, MaxDouble, MaxUp, MaxDown, MaxAdd
|
---|
374 | int LocalNo; //!< number of occupied and unoccupied Psis that are local (ly accessible) in this process
|
---|
375 | int LocalNoAdd; //!< number of unoccupied Psis that are local (ly accessible) in this process (spinup/-down or double)
|
---|
376 | int NoOfPsis; //!< contains SpinType-dependent sum of GlobalNo, giving number of wave functions in the current minimisation group (except for PsiTypeTag#UnOccupied of course)
|
---|
377 | int NoOfTotalPsis; //!< contains SpinType-dependent sum of GlobalNo with added PsiTypeTag#UnOccupied states
|
---|
378 | int TypeStartIndex[Extra+2];//!< index array where the respective PsiTypeTag type starts in LocalPsiStatus
|
---|
379 | int AllMaxLocalNo; //!< maximum local number of Psis on one process (some processes have one more due to modulo != 0 on sharing)
|
---|
380 | int MaxPsiGroup; //!< number of processes among which the Psis are divided
|
---|
381 | int PsiGroup; //!< rank of this process in the communicator ParallelSimulationData::comm_ST_Psi
|
---|
382 | int MaxPsiOfType; //!< overall number of Psis
|
---|
383 | int *AllLocalNo; //!< array over all processes in the GramSch() communicator ParallelSimulationData::comm_ST_PsiT containing their number of local Psis, AllLocalNo[i] = RealAllLocalNo[i] + 1
|
---|
384 | int *RealAllLocalNo; //!< array over all processes in the GramSch() communicator ParallelSimulationData::comm_ST_PsiT containing their number of local Psis, i-th process: Psi->LocalNo = RealAllLocalNo[i]
|
---|
385 | int MyStartNo; //!< at which Psis do the locally accessible of this process start (going to MyStartNo+LocalNo)
|
---|
386 | struct OnePsiElement *AllPsiStatus; //!< array over all PsiTypeTag's of all wave functions, yet without coefficients (see Psis::LocalPsiStatus)
|
---|
387 | struct OnePsiElement *AllPsiStatusForSort; //!< temporary array of same size as *AllPsiStatus, only used in naturalmergesort()
|
---|
388 | struct OnePsiElement *LocalPsiStatus; //!< array over all PsiTypeTag's of the local wave functions which are accessible to/stored in this process
|
---|
389 | int *TempSendA; //!< In GramSch(): Holds count to which process in GramSch group a local wave function has been sent
|
---|
390 | double NIDensity[Extra]; //!< Density over all
|
---|
391 | double NIDensityUp[Extra]; //!< Density of SpinUp
|
---|
392 | double NIDensityDown[Extra]; //!< Density of SpinDown
|
---|
393 | int *AllActualLocalPsiNo;
|
---|
394 | int *AllOldActualLocalPsiNo;
|
---|
395 | struct OnePsiElementAddData *AddData; //!< some additional local data, such as energy eigenvalue
|
---|
396 | double **lambda; //!< contains \f$\lambda_{kl} = \langle \varphi_k^{(0)} | H^{(0)} | \varphi_l^{(0)} \rangle\f$, sa CalculateHamiltonian()
|
---|
397 | double **Overlap; //!< contains \f$S_{kl} = \langle \varphi_k^{(1)} | \varphi_l^{(1)} \rangle\f$, sa CalculatePerturbedOverlap()
|
---|
398 | };
|
---|
399 |
|
---|
400 | /** Structure containing the various (radially discretized) densities.
|
---|
401 | * Densities are always calculated on one level higher than the respective wave functions as the fftransformation then
|
---|
402 | * becomes exact (fourier basis).
|
---|
403 | */
|
---|
404 | struct Density {
|
---|
405 | int TotalSize; // total number of nodes
|
---|
406 | int LocalSizeC; // number of nodes in radial mesh of the complex density (locally accessible)
|
---|
407 | int LocalSizeR; // number of nodes in radial mesh of the density (locally accessible)
|
---|
408 | enum UseType DensityTypeUse[MaxDensityTypes]; //!< Density is used or not (e.g. Up/Down not used in SpinType::SpinDouble case)
|
---|
409 | fftw_real *DensityArray[MaxDensityTypes]; //!< density array (wave functions summed and squared, R-dependent) (radially discretized), \sa CalculateOneDensityR()
|
---|
410 | fftw_complex *DensityCArray[MaxDensityTypes]; //!< density array (wave functions summed and squared, G-dependent), \sa CalculateOneDensityC()
|
---|
411 | enum UseType LockArray[MaxDensityTypes]; //!< 1 - real density array is currently in use, 0 - array may be locked for sole
|
---|
412 | enum UseType LockCArray[MaxDensityTypes]; //!< 1 - complex density array is currently in use, 0 - array may be locked for sole
|
---|
413 | };
|
---|
414 |
|
---|
415 | enum complex {
|
---|
416 | real, //!< number is real
|
---|
417 | imag //!< number is complex
|
---|
418 | };
|
---|
419 | /** Structure containing one lattice level.
|
---|
420 | * Containing Level number LevelNo, maximum grid mesh points normal MaxN and reciprocal MaxG, factors
|
---|
421 | * between this one and upper levels, array of the grid vectors GArray, wave function on this level
|
---|
422 | * LPsi and densities Dens.
|
---|
423 | */
|
---|
424 | struct LatticeLevel {
|
---|
425 | int LevelNo; //!< current number of this level
|
---|
426 | int MaxN; //!< number of grid points
|
---|
427 | int N[NDIM]; //!< number of grid points for this level in each dimension NDIM
|
---|
428 | int NUp[NDIM]; //!< ratio of number of mesh points between this and the upper level for each dimension NDIM
|
---|
429 | int NUp0[NDIM]; //!< ratio of number of mesh points this and the 0th level for each dimension NDIM
|
---|
430 | int NUp1[NDIM]; //!< ratio of number of mesh points and the first level for each dimension NDIM
|
---|
431 | int MaxNUp; //!< ratio of grid points between this and the upper level overall (all dimensions together)
|
---|
432 | int MaxG; //!< number of reciprocal grid vectors
|
---|
433 | int MaxDoubleG; //!< number of reciprocal grid vectors which are double by gamma point symmetry (only one is stored)
|
---|
434 | int *AllMaxG; //!< number of reciprocal grid vectors for each process
|
---|
435 | int TotalAllMaxG; //!< number of reciprocal grid (complex) vectors for all process
|
---|
436 | int TotalRealAllMaxG; //!< number of reciprocal grid (real) vectors for all process
|
---|
437 | double ECut; //!< Cutoff energy (discretizes possible reciprocal vectors), here: maximum norm of reciprocal grid vector
|
---|
438 | struct RPlans Plan0;
|
---|
439 | struct OneGData *GArray; //!< Array of reciprocal grid vectors
|
---|
440 | struct GDataHash *HashG; //!< Hash-array with global index for each G
|
---|
441 | int *DoubleG; //!< Array of indices of the doubly appearing grid vectors, with twice entries per vector: normal index and the inverse index (-x,-y,-z)
|
---|
442 | int G0; //!< OneGData::Index of the reciprocal grid vector with zero components
|
---|
443 | fftw_complex *PosFactorUp; //!< precalculated position factor \f$P_p(G) \f$when going from wave coefficients to density, huge array of \ref MaxNUp times \ref MaxG, see CreatePosFacForG()
|
---|
444 | struct LevelPsi *LPsi;
|
---|
445 | struct Density *Dens; //!< Density on this level
|
---|
446 | int Step; //!< holds count of Molecular Dynamics steps
|
---|
447 | };
|
---|
448 |
|
---|
449 |
|
---|
450 | //! List of NField types, for this level, for the upper level
|
---|
451 | //! Enumerating entries in nFields for current and upper level
|
---|
452 | enum FFTNFields { FFTNF1, //!< Number of nFields in current level
|
---|
453 | FFTNFUp //!< Number of nFields in upper level
|
---|
454 | };
|
---|
455 | enum FFTNFieldsS { FFTNFSVecUp=2,
|
---|
456 | FFTNFSVec
|
---|
457 | };
|
---|
458 | enum FFTNFieldsR { FFTNFRMatUp0=2,
|
---|
459 | FFTNFRMatVecUpS,
|
---|
460 | FFTNFRVecUp0
|
---|
461 | };
|
---|
462 | enum FFTNFields0 { FFTNF0Vec=1
|
---|
463 | };
|
---|
464 |
|
---|
465 | #define MAXRTPOSFAC 2 //!< maximum number of different RiemannTensor position factors
|
---|
466 | //! Enumerating to which level the position factor relates
|
---|
467 | enum RTPosFacType { RTPFRtoS, //!< position factor is relative to STANDARDLEVEL
|
---|
468 | RTPFRto0 //!< position factor is relative to topmost level
|
---|
469 | };
|
---|
470 |
|
---|
471 | #define MAXRTARRAYS 8 //!< maximum number of different RiemannTensor arrays
|
---|
472 | //! Enumerating different RiemannTensor arrays
|
---|
473 | enum RTArrayType { RTADetPreRT,
|
---|
474 | RTAPreA,
|
---|
475 | RTAA,
|
---|
476 | RTAIRT,
|
---|
477 | RTARTA,
|
---|
478 | RTAARTA,
|
---|
479 | RTAiGcg,
|
---|
480 | RTAcg
|
---|
481 | };
|
---|
482 |
|
---|
483 | struct RiemannTensor {
|
---|
484 | int RiemannLevel;
|
---|
485 | int NUpLevRS[NDIM];
|
---|
486 | int NUpLevR0[NDIM];
|
---|
487 | enum UseRiemannTensor Use;
|
---|
488 | enum ModeType ActualUse;
|
---|
489 | fftw_complex *Coeff;
|
---|
490 | struct LatticeLevel *LevR; /* RiemannLevel */
|
---|
491 | struct LatticeLevel *LevS; /* StandartLevel */
|
---|
492 | struct LatticeLevel *Lev0; /* 0 Level */
|
---|
493 | int MaxNUp[MAXRTPOSFAC];
|
---|
494 | int TotalSize[MAXRTARRAYS];
|
---|
495 | int LocalSizeC[MAXRTARRAYS];
|
---|
496 | int LocalSizeR[MAXRTARRAYS];
|
---|
497 | int NFields[MAXRTARRAYS];
|
---|
498 | fftw_complex *PosFactor[MAXRTPOSFAC];
|
---|
499 | fftw_complex *DensityC[MAXRTARRAYS];
|
---|
500 | fftw_real *DensityR[MAXRTARRAYS];
|
---|
501 | fftw_complex *RTLaplaceS;
|
---|
502 | fftw_complex *RTLaplace0;
|
---|
503 | fftw_complex *TempC;
|
---|
504 | size_t TempTotalSize;
|
---|
505 | };
|
---|
506 |
|
---|
507 | #define MAXALLPSIENERGY 4 //!< number of different wave function energies
|
---|
508 |
|
---|
509 | //! Enumerating energy types of wave function
|
---|
510 | enum AllPsiEnergyTypes { KineticEnergy, //!< kinetic energy
|
---|
511 | NonLocalEnergy, //!< non-local pseudo potential energy
|
---|
512 | Perturbed1_0Energy, //!< \f$\langle \varphi_l^{(1)} | H^{(1)} | \varphi_l^{(0)} \rangle \f$
|
---|
513 | Perturbed0_1Energy //!< \f$\langle \varphi_l^{(0)} | H^{(1)} | \varphi_l^{(1)} \rangle \f$
|
---|
514 | };
|
---|
515 | #define MAXALLDENSITYENERGY 6 //!< number of different density energies
|
---|
516 | //! Enumerating density energy types
|
---|
517 | enum AllDensityEnergyTypes { CorrelationEnergy, //!< correlation energy \f$E_C\f$
|
---|
518 | ExchangeEnergy, //!< exchange energy \f$E_X\f$
|
---|
519 | GaussEnergy, //!< gaussian energy \f$E_{gauss}\f$
|
---|
520 | PseudoEnergy, //!< pseudopotential energy \f$E_{ps}\f$
|
---|
521 | HartreePotentialEnergy, //!< Hartree potential energy including gaussian density \f$E_H\f$
|
---|
522 | HartreeEnergy //!< Hartree energy \f$E_H\f$
|
---|
523 | };
|
---|
524 | #define MAXALLIONSENERGY 2 //!< number of different ion energies
|
---|
525 | //! Enumerating different ion energy types
|
---|
526 | enum AllIonsEnergyTypes { GaussSelfEnergy, //!< Gaussian self energy due to charge
|
---|
527 | EwaldEnergy //!< core to core energy summed over all super cells by ewald summation
|
---|
528 | };
|
---|
529 | #define MAXOLD 2 //!< how many older calculated values are archived in various arrays
|
---|
530 |
|
---|
531 | /** Energy structure.
|
---|
532 | * Contains Total and local (i.e. within one process) energies of the
|
---|
533 | * three classes: wave function, density and ion, also the first and
|
---|
534 | * second time derivative, dating back to MAXOLD
|
---|
535 | */
|
---|
536 | struct Energy {
|
---|
537 | double AllTotalPsiEnergy[MAXALLPSIENERGY]; //!< Total energy in SpinType#SpinDouble case
|
---|
538 | double AllLocalPsiEnergy[MAXALLPSIENERGY]; //!< Calculated energies of the local process, summed up via MPI_Allreduce to Energy::AllUpPsiEnergy, Energy::AllDownPsiEnergy or Energy::AllTotalPsiEnergy respectively
|
---|
539 | double AllUpPsiEnergy[MAXALLPSIENERGY]; //!< Total energy in SpinType#SpinUp case
|
---|
540 | double AllDownPsiEnergy[MAXALLPSIENERGY]; //!< Total energy in SpinType#SpinDown case
|
---|
541 | double *PsiEnergy[MAXALLPSIENERGY];
|
---|
542 | double AllLocalDensityEnergy[MAXALLDENSITYENERGY]; //!< local total energy of electron density within one process
|
---|
543 | double AllTotalDensityEnergy[MAXALLDENSITYENERGY]; //!< Total energy resulting from electron density
|
---|
544 | double AllTotalIonsEnergy[MAXALLIONSENERGY]; //!< Total energy of the Ions, Ewald and gaussian
|
---|
545 | double TotalEnergy[MAXOLD]; //!< Total energy as the sum of AllTotalPsiEnergy, AllTotalDensityEnergy and AllTotalIonsEnergy
|
---|
546 | double TotalEnergyOuter[MAXOLD];
|
---|
547 | double TotalEnergyFixed[MAXOLD];
|
---|
548 | double delta[MAXOLD];
|
---|
549 | double dEdt0[MAXOLD];
|
---|
550 | double ddEddt0[MAXOLD];
|
---|
551 | double ATE[MAXOLD];
|
---|
552 | double parts[3];
|
---|
553 | double bandgap;
|
---|
554 | //double homolumo;
|
---|
555 | };
|
---|
556 |
|
---|
557 | /** Lattice structure.
|
---|
558 | * containing real, inverted, reciprocal basis (squared and/or orthonormal), Volume,
|
---|
559 | * ECut, LatticeLevel structure, Psis structure , the fft_plan_3d structure and
|
---|
560 | * Energy structure
|
---|
561 | */
|
---|
562 | struct Lattice {
|
---|
563 | double RealBasis[NDIM_NDIM]; //!< Coefficients of the basis vectors
|
---|
564 | double RealBasisSQ[NDIM]; //!< squared Norm of each basis vector
|
---|
565 | double RealBasisCenter[NDIM]; //!< center of the unit cell ((0.5,0.5,0.5) transformed by RealBasis)
|
---|
566 | double InvBasis[NDIM_NDIM]; //!< Matrix-wise inverted basis vectors
|
---|
567 | double ReciBasis[NDIM_NDIM]; //!< Coefficients of the transposed(!), inverse basis "matrix" (i.e. reciprocal basis)
|
---|
568 | double ReciBasisSQ[NDIM]; //!< Norm of each reciprocal basis vectors
|
---|
569 | double ReciBasisO[NDIM]; //!< Measure of how orthonormal each basis vectors is to the others
|
---|
570 | double ReciBasisOSQ[NDIM]; //!< Square of the orthonormality measure ReciBasisO[]
|
---|
571 | double Volume; //!< volume as the determinant of the matrix of the basis vectors
|
---|
572 | double ECut; //!< Energy cutoff, limiting number of reciprocal wave vectors
|
---|
573 | double SawtoothStart;
|
---|
574 | int Lev0Factor; //!< LevelSizes of 0th level
|
---|
575 | int LevRFactor; //!< LevelSizes of (RL-1)th level (upper of RiemannLevel)
|
---|
576 | int MaxLevel; //!< Maximum number of levels
|
---|
577 | int AddNFactor;
|
---|
578 | int *LevelSizes; //!< Factor for all levels, stating the size in comparsion to the one below (most often factor 2)
|
---|
579 | int *MaxNoOfnFields; //!< maximum number of entries in NFields array per level
|
---|
580 | int **NFields;
|
---|
581 | struct LatticeLevel *Lev; //!< Array of different LatticeLevels, up to MaxLevel
|
---|
582 | struct OneGData *GArrayForSort;
|
---|
583 | struct Psis Psi; //!< Wave function structure residing within the lattice
|
---|
584 | struct RiemannTensor RT;
|
---|
585 | struct fft_plan_3d *plan;
|
---|
586 | struct Energy Energy[Extra]; //!< Energy structure for this particular lattice setting
|
---|
587 | struct Energy *E; //!< pointer to current Energy structure within minimisation scheme
|
---|
588 | };
|
---|
589 |
|
---|
590 | #define MAXTIMETYPES 19 //!< specifying number of TimeTypes
|
---|
591 | //! Enumerating timing groups, each having its own timer \warning LevSMaxG must be the last one */
|
---|
592 | enum TimeTypes { SimTime, //!< simulation time
|
---|
593 | InitSimTime, //!< simulation time during which initialisation of calculations is performed
|
---|
594 | InitTime, //!< initialization time at programme start
|
---|
595 | InitGramSchTime, //!< initialization time for Gram-Schmidt-Orthogonalization
|
---|
596 | InitLocTime, //!< initialization time for local pseudopotential calculations
|
---|
597 | InitNonLocTime, //!< initialization time for non-local pseudopotential calculations
|
---|
598 | InitDensityTime, //!< initialization time for density calculations
|
---|
599 | GramSchTime, //!< time spent orthonormalizing the orbits
|
---|
600 | LocTime, //!< time spent evaluating local pseudopotential
|
---|
601 | NonLocTime, //!< time spent evaluating non-local pseudopotential
|
---|
602 | DensityTime, //!< time spent evaluating density
|
---|
603 | LocFTime, //!< time spent evaluating local form factors
|
---|
604 | NonLocFTime, //!< time spent evaluating non-local form factors
|
---|
605 | EwaldTime, //!< time spent evaluating ewald summation over ion core-to-core forces
|
---|
606 | GapTime, //!< time spent evaluating the gap energy
|
---|
607 | CurrDensTime, //!< time spent evaluating the current density
|
---|
608 | WannierTime, //!< time spent localizing the orbitals
|
---|
609 | ReadnWriteTime, //!< time spent during reading and writing of wave function coefficients
|
---|
610 | LevSMaxG}; //!< number of reciprocal grid vectors to calculate standard deviation, must always be the last one!
|
---|
611 |
|
---|
612 | //! enumerating if time is started or stopped
|
---|
613 | enum TimeDoTypes { StartTimeDo, //!< start timer
|
---|
614 | StopTimeDo //!< stop timer
|
---|
615 | };
|
---|
616 |
|
---|
617 |
|
---|
618 | /** Array structure for timekeeping.
|
---|
619 | * It consists of arrays for each timing group(!) for
|
---|
620 | * steps, averages, stored times, deviations, min and max
|
---|
621 | */
|
---|
622 | struct SpeedStruct {
|
---|
623 | double SpeedStep[MAXTIMETYPES];
|
---|
624 | double time1[MAXTIMETYPES]; //!< time before the time before current time
|
---|
625 | double time2[MAXTIMETYPES]; //!< time before current time
|
---|
626 | double time[MAXTIMETYPES]; //!< current time
|
---|
627 | double average[MAXTIMETYPES]; //!< storing average
|
---|
628 | double stddev[MAXTIMETYPES]; //!< standard deviation
|
---|
629 | double min[MAXTIMETYPES]; //!< minimum time
|
---|
630 | double max[MAXTIMETYPES]; //!< maximum time
|
---|
631 | int InitSteps;
|
---|
632 | int LevUpSteps;
|
---|
633 | int Steps; //!< holds count of made Molecular dynamic steps
|
---|
634 | };
|
---|
635 |
|
---|
636 | struct Problem;
|
---|
637 | #include "ions.h"
|
---|
638 | #include "pseudo.h"
|
---|
639 | #include "excor.h"
|
---|
640 | #include "grad.h"
|
---|
641 | #include "run.h"
|
---|
642 |
|
---|
643 | /** Physical problem superstructure.
|
---|
644 | * This structure contains all the vital information specifying the
|
---|
645 | * problem at hand, such as the command line and parameter file options,
|
---|
646 | * also very important RunStruct for mpi groups and SpeedStruct for time measuring,
|
---|
647 | * or simply all other structures.
|
---|
648 | * \sa GetOptions() and ReadParameters()
|
---|
649 | */
|
---|
650 | struct Problem {
|
---|
651 | struct CallOptions Call;
|
---|
652 | struct FileData Files;
|
---|
653 | struct ParallelSimulationData Par;
|
---|
654 | struct Lattice Lat;
|
---|
655 | struct Ions Ion;
|
---|
656 | struct PseudoPot PP;
|
---|
657 | struct ExCor ExCo;
|
---|
658 | struct Gradient Grad;
|
---|
659 | struct RunStruct R;
|
---|
660 | struct SpeedStruct Speed;
|
---|
661 | };
|
---|
662 |
|
---|
663 |
|
---|
664 | #endif
|
---|