1 | ! |
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2 | !$Id$ |
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3 | ! |
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4 | MODULE mod_phys_lmdz_mpi_data |
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5 | |
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6 | INTEGER,SAVE :: ii_begin |
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7 | INTEGER,SAVE :: ii_end |
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8 | INTEGER,SAVE :: jj_begin |
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9 | INTEGER,SAVE :: jj_end |
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10 | INTEGER,SAVE :: jj_nb |
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11 | INTEGER,SAVE :: ij_begin |
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12 | INTEGER,SAVE :: ij_end |
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13 | INTEGER,SAVE :: ij_nb |
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14 | INTEGER,SAVE :: klon_mpi_begin |
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15 | INTEGER,SAVE :: klon_mpi_end |
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16 | INTEGER,SAVE :: klon_mpi |
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17 | |
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18 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: jj_para_nb |
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19 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: jj_para_begin |
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20 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: jj_para_end |
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21 | |
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22 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: ii_para_begin |
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23 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: ii_para_end |
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24 | |
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25 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: ij_para_nb |
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26 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: ij_para_begin |
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27 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: ij_para_end |
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28 | |
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29 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: klon_mpi_para_nb |
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30 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: klon_mpi_para_begin |
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31 | INTEGER,SAVE,ALLOCATABLE,DIMENSION(:) :: klon_mpi_para_end |
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32 | |
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33 | |
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34 | INTEGER,SAVE :: mpi_rank |
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35 | INTEGER,SAVE :: mpi_size |
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36 | INTEGER,SAVE :: mpi_master |
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37 | LOGICAL,SAVE :: is_mpi_root |
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38 | LOGICAL,SAVE :: is_using_mpi |
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39 | |
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40 | |
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41 | LOGICAL,SAVE :: is_north_pole_dyn |
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42 | LOGICAL,SAVE :: is_south_pole_dyn |
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43 | INTEGER,SAVE :: COMM_LMDZ_PHY |
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44 | INTEGER,SAVE :: MPI_REAL_LMDZ ! MPI_REAL8 |
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45 | |
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46 | CONTAINS |
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47 | |
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48 | SUBROUTINE init_phys_lmdz_mpi_data(nbp, nbp_lon, nbp_lat, communicator) |
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49 | IMPLICIT NONE |
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50 | #ifdef CPP_MPI |
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51 | INCLUDE 'mpif.h' |
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52 | #endif |
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53 | INTEGER,INTENT(IN) :: nbp |
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54 | INTEGER,INTENT(IN) :: nbp_lon |
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55 | INTEGER,INTENT(IN) :: nbp_lat |
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56 | INTEGER,INTENT(IN) :: communicator |
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57 | |
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58 | INTEGER,ALLOCATABLE :: distrib(:) |
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59 | INTEGER :: ierr |
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60 | INTEGER :: klon_glo |
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61 | INTEGER :: i |
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62 | |
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63 | #ifdef CPP_MPI |
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64 | is_using_mpi=.TRUE. |
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65 | #else |
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66 | is_using_mpi=.FALSE. |
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67 | #endif |
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68 | |
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69 | if ((nbp_lon.eq.1).and.(nbp_lat.eq.1)) then ! running 1D column model |
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70 | klon_glo=1 |
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71 | else |
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72 | ! The usual global physics grid: 1 point for each pole and nbp_lon points |
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73 | ! for all other latitudes |
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74 | klon_glo=nbp_lon*(nbp_lat-2)+2 |
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75 | endif |
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76 | |
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77 | COMM_LMDZ_PHY=communicator |
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78 | |
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79 | IF (is_using_mpi) THEN |
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80 | #ifdef CPP_MPI |
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81 | MPI_REAL_LMDZ=MPI_REAL8 |
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82 | CALL MPI_COMM_SIZE(COMM_LMDZ_PHY,mpi_size,ierr) |
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83 | CALL MPI_COMM_RANK(COMM_LMDZ_PHY,mpi_rank,ierr) |
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84 | #endif |
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85 | ELSE |
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86 | mpi_size=1 |
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87 | mpi_rank=0 |
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88 | ENDIF |
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89 | |
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90 | ALLOCATE(distrib(0:mpi_size-1)) |
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91 | |
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92 | IF (is_using_mpi) THEN |
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93 | #ifdef CPP_MPI |
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94 | CALL MPI_ALLGATHER(nbp,1,MPI_INTEGER,distrib,1,MPI_INTEGER,COMM_LMDZ_PHY,ierr) |
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95 | #endif |
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96 | ELSE |
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97 | distrib(:)=nbp |
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98 | ENDIF |
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99 | |
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100 | |
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101 | IF (mpi_rank == 0) THEN |
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102 | mpi_master = 0 |
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103 | is_mpi_root = .true. |
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104 | ENDIF |
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105 | |
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106 | IF (mpi_rank == 0) THEN |
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107 | is_north_pole_dyn = .TRUE. |
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108 | ELSE |
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109 | is_north_pole_dyn = .FALSE. |
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110 | ENDIF |
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111 | |
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112 | IF (mpi_rank == mpi_size-1) THEN |
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113 | is_south_pole_dyn = .TRUE. |
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114 | ELSE |
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115 | is_south_pole_dyn = .FALSE. |
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116 | ENDIF |
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117 | |
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118 | ALLOCATE(jj_para_nb(0:mpi_size-1)) |
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119 | ALLOCATE(jj_para_begin(0:mpi_size-1)) |
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120 | ALLOCATE(jj_para_end(0:mpi_size-1)) |
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121 | |
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122 | ALLOCATE(ij_para_nb(0:mpi_size-1)) |
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123 | ALLOCATE(ij_para_begin(0:mpi_size-1)) |
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124 | ALLOCATE(ij_para_end(0:mpi_size-1)) |
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125 | |
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126 | ALLOCATE(ii_para_begin(0:mpi_size-1)) |
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127 | ALLOCATE(ii_para_end(0:mpi_size-1)) |
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128 | |
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129 | ALLOCATE(klon_mpi_para_nb(0:mpi_size-1)) |
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130 | ALLOCATE(klon_mpi_para_begin(0:mpi_size-1)) |
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131 | ALLOCATE(klon_mpi_para_end(0:mpi_size-1)) |
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132 | |
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133 | |
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134 | klon_mpi_para_nb(0:mpi_size-1)=distrib(0:mpi_size-1) |
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135 | |
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136 | DO i=0,mpi_size-1 |
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137 | IF (i==0) THEN |
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138 | klon_mpi_para_begin(i)=1 |
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139 | ELSE |
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140 | klon_mpi_para_begin(i)=klon_mpi_para_end(i-1)+1 |
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141 | ENDIF |
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142 | klon_mpi_para_end(i)=klon_mpi_para_begin(i)+klon_mpi_para_nb(i)-1 |
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143 | ENDDO |
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144 | |
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145 | |
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146 | DO i=0,mpi_size-1 |
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147 | |
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148 | IF (i==0) THEN |
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149 | ij_para_begin(i) = 1 |
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150 | ELSE |
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151 | ij_para_begin(i) = klon_mpi_para_begin(i)+nbp_lon-1 |
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152 | ENDIF |
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153 | |
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154 | jj_para_begin(i) = (ij_para_begin(i)-1)/nbp_lon + 1 |
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155 | ii_para_begin(i) = MOD(ij_para_begin(i)-1,nbp_lon) + 1 |
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156 | |
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157 | |
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158 | ij_para_end(i) = klon_mpi_para_end(i)+nbp_lon-1 |
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159 | jj_para_end(i) = (ij_para_end(i)-1)/nbp_lon + 1 |
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160 | ii_para_end(i) = MOD(ij_para_end(i)-1,nbp_lon) + 1 |
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161 | |
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162 | |
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163 | ij_para_nb(i) = ij_para_end(i)-ij_para_begin(i)+1 |
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164 | jj_para_nb(i) = jj_para_end(i)-jj_para_begin(i)+1 |
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165 | |
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166 | ENDDO |
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167 | |
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168 | ii_begin = ii_para_begin(mpi_rank) |
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169 | ii_end = ii_para_end(mpi_rank) |
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170 | jj_begin = jj_para_begin(mpi_rank) |
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171 | jj_end = jj_para_end(mpi_rank) |
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172 | jj_nb = jj_para_nb(mpi_rank) |
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173 | ij_begin = ij_para_begin(mpi_rank) |
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174 | ij_end = ij_para_end(mpi_rank) |
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175 | ij_nb = ij_para_nb(mpi_rank) |
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176 | klon_mpi_begin = klon_mpi_para_begin(mpi_rank) |
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177 | klon_mpi_end = klon_mpi_para_end(mpi_rank) |
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178 | klon_mpi = klon_mpi_para_nb(mpi_rank) |
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179 | |
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180 | CALL Print_module_data |
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181 | |
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182 | END SUBROUTINE Init_phys_lmdz_mpi_data |
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183 | |
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184 | SUBROUTINE print_module_data |
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185 | USE print_control_mod, ONLY: lunout |
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186 | IMPLICIT NONE |
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187 | |
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188 | WRITE(lunout,*) 'ii_begin =', ii_begin |
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189 | WRITE(lunout,*) 'ii_end =', ii_end |
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190 | WRITE(lunout,*) 'jj_begin =',jj_begin |
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191 | WRITE(lunout,*) 'jj_end =', jj_end |
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192 | WRITE(lunout,*) 'jj_nb =', jj_nb |
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193 | WRITE(lunout,*) 'ij_begin =', ij_begin |
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194 | WRITE(lunout,*) 'ij_end =', ij_end |
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195 | WRITE(lunout,*) 'ij_nb =', ij_nb |
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196 | WRITE(lunout,*) 'klon_mpi_begin =', klon_mpi_begin |
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197 | WRITE(lunout,*) 'klon_mpi_end =', klon_mpi_end |
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198 | WRITE(lunout,*) 'klon_mpi =', klon_mpi |
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199 | WRITE(lunout,*) 'jj_para_nb =', jj_para_nb |
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200 | WRITE(lunout,*) 'jj_para_begin =', jj_para_begin |
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201 | WRITE(lunout,*) 'jj_para_end =', jj_para_end |
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202 | WRITE(lunout,*) 'ii_para_begin =', ii_para_begin |
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203 | WRITE(lunout,*) 'ii_para_end =', ii_para_end |
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204 | WRITE(lunout,*) 'ij_para_nb =', ij_para_nb |
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205 | WRITE(lunout,*) 'ij_para_begin =', ij_para_begin |
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206 | WRITE(lunout,*) 'ij_para_end =', ij_para_end |
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207 | WRITE(lunout,*) 'klon_mpi_para_nb =', klon_mpi_para_nb |
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208 | WRITE(lunout,*) 'klon_mpi_para_begin =', klon_mpi_para_begin |
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209 | WRITE(lunout,*) 'klon_mpi_para_end =', klon_mpi_para_end |
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210 | WRITE(lunout,*) 'mpi_rank =', mpi_rank |
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211 | WRITE(lunout,*) 'mpi_size =', mpi_size |
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212 | WRITE(lunout,*) 'mpi_master =', mpi_master |
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213 | WRITE(lunout,*) 'is_mpi_root =', is_mpi_root |
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214 | WRITE(lunout,*) 'is_north_pole_dyn =', is_north_pole_dyn |
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215 | WRITE(lunout,*) 'is_south_pole_dyn =', is_south_pole_dyn |
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216 | WRITE(lunout,*) 'COMM_LMDZ_PHY =', COMM_LMDZ_PHY |
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217 | |
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218 | END SUBROUTINE print_module_data |
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219 | |
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220 | END MODULE mod_phys_lmdz_mpi_data |
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