1 | SUBROUTINE init_pegrid |
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2 | |
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3 | !------------------------------------------------------------------------------! |
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4 | ! Actual revisions: |
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5 | ! ----------------- |
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6 | ! ATTENTION: nnz_x undefined problem still has to be solved!!!!!!!! |
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7 | ! nz is used instead nnz for calculating mg-levels |
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8 | ! Collect on PE0 horizontal index bounds from all other PEs, |
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9 | ! broadcast the id of the inflow PE (using the respective communicator) |
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10 | ! TEST OUTPUT (TO BE REMOVED) logging mpi2 ierr values |
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11 | ! |
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12 | ! Former revisions: |
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13 | ! ----------------- |
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14 | ! $Id: init_pegrid.f90 181 2008-07-30 07:07:47Z letzel $ |
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15 | ! |
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16 | ! 114 2007-10-10 00:03:15Z raasch |
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17 | ! Allocation of wall flag arrays for multigrid solver |
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18 | ! |
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19 | ! 108 2007-08-24 15:10:38Z letzel |
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20 | ! Intercommunicator (comm_inter) and derived data type (type_xy) for |
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21 | ! coupled model runs created, assign coupling_mode_remote, |
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22 | ! indices nxlu and nysv are calculated (needed for non-cyclic boundary |
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23 | ! conditions) |
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24 | ! |
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25 | ! 82 2007-04-16 15:40:52Z raasch |
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26 | ! Cpp-directive lcmuk changed to intel_openmp_bug, setting of host on lcmuk by |
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27 | ! cpp-directive removed |
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28 | ! |
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29 | ! 75 2007-03-22 09:54:05Z raasch |
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30 | ! uxrp, vynp eliminated, |
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31 | ! dirichlet/neumann changed to dirichlet/radiation, etc., |
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32 | ! poisfft_init is only called if fft-solver is switched on |
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33 | ! |
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34 | ! RCS Log replace by Id keyword, revision history cleaned up |
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35 | ! |
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36 | ! Revision 1.28 2006/04/26 13:23:32 raasch |
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37 | ! lcmuk does not understand the !$ comment so a cpp-directive is required |
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38 | ! |
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39 | ! Revision 1.1 1997/07/24 11:15:09 raasch |
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40 | ! Initial revision |
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41 | ! |
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42 | ! |
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43 | ! Description: |
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44 | ! ------------ |
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45 | ! Determination of the virtual processor topology (if not prescribed by the |
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46 | ! user)and computation of the grid point number and array bounds of the local |
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47 | ! domains. |
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48 | !------------------------------------------------------------------------------! |
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49 | |
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50 | USE control_parameters |
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51 | USE fft_xy |
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52 | USE grid_variables |
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53 | USE indices |
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54 | USE pegrid |
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55 | USE poisfft_mod |
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56 | USE poisfft_hybrid_mod |
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57 | USE statistics |
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58 | USE transpose_indices |
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59 | |
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60 | |
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61 | IMPLICIT NONE |
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62 | |
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63 | INTEGER :: gathered_size, i, id_inflow_l, id_recycling_l, ind(5), j, k, & |
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64 | maximum_grid_level_l, mg_switch_to_pe0_level_l, mg_levels_x, & |
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65 | mg_levels_y, mg_levels_z, nnx_y, nnx_z, nny_x, nny_z, nnz_x, & |
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66 | nnz_y, numproc_sqr, nx_total, nxl_l, nxr_l, nyn_l, nys_l, & |
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67 | nzb_l, nzt_l, omp_get_num_threads, subdomain_size |
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68 | |
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69 | INTEGER, DIMENSION(:), ALLOCATABLE :: ind_all, nxlf, nxrf, nynf, nysf |
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70 | |
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71 | LOGICAL :: found |
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72 | |
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73 | ! |
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74 | !-- Get the number of OpenMP threads |
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75 | !$OMP PARALLEL |
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76 | #if defined( __intel_openmp_bug ) |
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77 | threads_per_task = omp_get_num_threads() |
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78 | #else |
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79 | !$ threads_per_task = omp_get_num_threads() |
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80 | #endif |
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81 | !$OMP END PARALLEL |
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82 | |
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83 | |
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84 | #if defined( __parallel ) |
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85 | ! |
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86 | !-- Determine the processor topology or check it, if prescribed by the user |
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87 | IF ( npex == -1 .AND. npey == -1 ) THEN |
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88 | |
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89 | ! |
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90 | !-- Automatic determination of the topology |
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91 | !-- The default on SMP- and cluster-hosts is a 1d-decomposition along x |
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92 | IF ( host(1:3) == 'ibm' .OR. host(1:3) == 'nec' .OR. & |
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93 | host(1:2) == 'lc' .OR. host(1:3) == 'dec' ) THEN |
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94 | |
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95 | pdims(1) = numprocs |
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96 | pdims(2) = 1 |
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97 | |
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98 | ELSE |
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99 | |
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100 | numproc_sqr = SQRT( REAL( numprocs ) ) |
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101 | pdims(1) = MAX( numproc_sqr , 1 ) |
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102 | DO WHILE ( MOD( numprocs , pdims(1) ) /= 0 ) |
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103 | pdims(1) = pdims(1) - 1 |
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104 | ENDDO |
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105 | pdims(2) = numprocs / pdims(1) |
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106 | |
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107 | ENDIF |
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108 | |
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109 | ELSEIF ( npex /= -1 .AND. npey /= -1 ) THEN |
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110 | |
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111 | ! |
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112 | !-- Prescribed by user. Number of processors on the prescribed topology |
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113 | !-- must be equal to the number of PEs available to the job |
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114 | IF ( ( npex * npey ) /= numprocs ) THEN |
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115 | PRINT*, '+++ init_pegrid:' |
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116 | PRINT*, ' number of PEs of the prescribed topology (', npex*npey, & |
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117 | ') does not match the number of PEs available to the ', & |
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118 | 'job (', numprocs, ')' |
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119 | CALL local_stop |
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120 | ENDIF |
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121 | pdims(1) = npex |
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122 | pdims(2) = npey |
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123 | |
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124 | ELSE |
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125 | ! |
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126 | !-- If the processor topology is prescribed by the user, the number of |
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127 | !-- PEs must be given in both directions |
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128 | PRINT*, '+++ init_pegrid:' |
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129 | PRINT*, ' if the processor topology is prescribed by the user, ', & |
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130 | 'both values of "npex" and "npey" must be given in the ', & |
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131 | 'NAMELIST-parameter file' |
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132 | CALL local_stop |
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133 | |
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134 | ENDIF |
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135 | |
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136 | ! |
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137 | !-- The hybrid solver can only be used in case of a 1d-decomposition along x |
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138 | IF ( pdims(2) /= 1 .AND. psolver == 'poisfft_hybrid' ) THEN |
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139 | IF ( myid == 0 ) THEN |
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140 | PRINT*, '*** init_pegrid: psolver = "poisfft_hybrid" can only be' |
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141 | PRINT*, ' used in case of a 1d-decomposition along x' |
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142 | ENDIF |
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143 | ENDIF |
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144 | |
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145 | ! |
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146 | !-- If necessary, set horizontal boundary conditions to non-cyclic |
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147 | IF ( bc_lr /= 'cyclic' ) cyclic(1) = .FALSE. |
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148 | IF ( bc_ns /= 'cyclic' ) cyclic(2) = .FALSE. |
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149 | |
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150 | ! |
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151 | !-- Create the virtual processor grid |
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152 | CALL MPI_CART_CREATE( comm_palm, ndim, pdims, cyclic, reorder, & |
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153 | comm2d, ierr ) |
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154 | CALL MPI_COMM_RANK( comm2d, myid, ierr ) |
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155 | WRITE (myid_char,'(''_'',I4.4)') myid |
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156 | |
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157 | CALL MPI_CART_COORDS( comm2d, myid, ndim, pcoord, ierr ) |
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158 | CALL MPI_CART_SHIFT( comm2d, 0, 1, pleft, pright, ierr ) |
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159 | CALL MPI_CART_SHIFT( comm2d, 1, 1, psouth, pnorth, ierr ) |
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160 | |
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161 | ! |
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162 | !-- Determine sub-topologies for transpositions |
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163 | !-- Transposition from z to x: |
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164 | remain_dims(1) = .TRUE. |
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165 | remain_dims(2) = .FALSE. |
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166 | CALL MPI_CART_SUB( comm2d, remain_dims, comm1dx, ierr ) |
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167 | CALL MPI_COMM_RANK( comm1dx, myidx, ierr ) |
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168 | ! |
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169 | !-- Transposition from x to y |
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170 | remain_dims(1) = .FALSE. |
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171 | remain_dims(2) = .TRUE. |
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172 | CALL MPI_CART_SUB( comm2d, remain_dims, comm1dy, ierr ) |
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173 | CALL MPI_COMM_RANK( comm1dy, myidy, ierr ) |
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174 | |
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175 | |
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176 | ! |
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177 | !-- Find a grid (used for array d) which will match the transposition demands |
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178 | IF ( grid_matching == 'strict' ) THEN |
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179 | |
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180 | nxa = nx; nya = ny; nza = nz |
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181 | |
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182 | ELSE |
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183 | |
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184 | found = .FALSE. |
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185 | xn: DO nxa = nx, 2*nx |
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186 | ! |
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187 | !-- Meet conditions for nx |
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188 | IF ( MOD( nxa+1, pdims(1) ) /= 0 .OR. & |
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189 | MOD( nxa+1, pdims(2) ) /= 0 ) CYCLE xn |
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190 | |
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191 | yn: DO nya = ny, 2*ny |
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192 | ! |
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193 | !-- Meet conditions for ny |
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194 | IF ( MOD( nya+1, pdims(2) ) /= 0 .OR. & |
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195 | MOD( nya+1, pdims(1) ) /= 0 ) CYCLE yn |
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196 | |
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197 | |
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198 | zn: DO nza = nz, 2*nz |
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199 | ! |
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200 | !-- Meet conditions for nz |
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201 | IF ( ( MOD( nza, pdims(1) ) /= 0 .AND. pdims(1) /= 1 .AND. & |
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202 | pdims(2) /= 1 ) .OR. & |
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203 | ( MOD( nza, pdims(2) ) /= 0 .AND. dt_dosp /= 9999999.9 & |
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204 | ) ) THEN |
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205 | CYCLE zn |
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206 | ELSE |
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207 | found = .TRUE. |
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208 | EXIT xn |
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209 | ENDIF |
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210 | |
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211 | ENDDO zn |
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212 | |
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213 | ENDDO yn |
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214 | |
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215 | ENDDO xn |
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216 | |
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217 | IF ( .NOT. found ) THEN |
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218 | IF ( myid == 0 ) THEN |
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219 | PRINT*,'+++ init_pegrid: no matching grid for transpositions found' |
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220 | ENDIF |
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221 | CALL local_stop |
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222 | ENDIF |
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223 | |
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224 | ENDIF |
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225 | |
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226 | ! |
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227 | !-- Calculate array bounds in x-direction for every PE. |
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228 | !-- The last PE along x may get less grid points than the others |
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229 | ALLOCATE( nxlf(0:pdims(1)-1), nxrf(0:pdims(1)-1), nynf(0:pdims(2)-1), & |
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230 | nysf(0:pdims(2)-1), nnx_pe(0:pdims(1)-1), nny_pe(0:pdims(2)-1) ) |
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231 | |
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232 | IF ( MOD( nxa+1 , pdims(1) ) /= 0 ) THEN |
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233 | IF ( myid == 0 ) THEN |
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234 | PRINT*,'+++ x-direction: gridpoint number (',nx+1,') is not an' |
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235 | PRINT*,' integral divisor of the number of proces', & |
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236 | &'sors (', pdims(1),')' |
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237 | ENDIF |
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238 | CALL local_stop |
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239 | ELSE |
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240 | nnx = ( nxa + 1 ) / pdims(1) |
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241 | IF ( nnx*pdims(1) - ( nx + 1) > nnx ) THEN |
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242 | IF ( myid == 0 ) THEN |
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243 | PRINT*,'+++ x-direction: nx does not match the requirements ', & |
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244 | 'given by the number of PEs' |
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245 | PRINT*,' used' |
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246 | PRINT*,' please use nx = ', nx - ( pdims(1) - ( nnx*pdims(1) & |
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247 | - ( nx + 1 ) ) ), ' instead of nx =', nx |
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248 | ENDIF |
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249 | CALL local_stop |
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250 | ENDIF |
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251 | ENDIF |
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252 | |
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253 | ! |
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254 | !-- Left and right array bounds, number of gridpoints |
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255 | DO i = 0, pdims(1)-1 |
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256 | nxlf(i) = i * nnx |
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257 | nxrf(i) = ( i + 1 ) * nnx - 1 |
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258 | nnx_pe(i) = MIN( nx, nxrf(i) ) - nxlf(i) + 1 |
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259 | ENDDO |
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260 | |
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261 | ! |
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262 | !-- Calculate array bounds in y-direction for every PE. |
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263 | IF ( MOD( nya+1 , pdims(2) ) /= 0 ) THEN |
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264 | IF ( myid == 0 ) THEN |
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265 | PRINT*,'+++ y-direction: gridpoint number (',ny+1,') is not an' |
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266 | PRINT*,' integral divisor of the number of proces', & |
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267 | &'sors (', pdims(2),')' |
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268 | ENDIF |
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269 | CALL local_stop |
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270 | ELSE |
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271 | nny = ( nya + 1 ) / pdims(2) |
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272 | IF ( nny*pdims(2) - ( ny + 1) > nny ) THEN |
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273 | IF ( myid == 0 ) THEN |
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274 | PRINT*,'+++ x-direction: nx does not match the requirements ', & |
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275 | 'given by the number of PEs' |
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276 | PRINT*,' used' |
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277 | PRINT*,' please use nx = ', nx - ( pdims(1) - ( nnx*pdims(1) & |
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278 | - ( nx + 1 ) ) ), ' instead of nx =', nx |
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279 | ENDIF |
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280 | CALL local_stop |
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281 | ENDIF |
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282 | ENDIF |
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283 | |
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284 | ! |
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285 | !-- South and north array bounds |
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286 | DO j = 0, pdims(2)-1 |
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287 | nysf(j) = j * nny |
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288 | nynf(j) = ( j + 1 ) * nny - 1 |
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289 | nny_pe(j) = MIN( ny, nynf(j) ) - nysf(j) + 1 |
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290 | ENDDO |
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291 | |
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292 | ! |
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293 | !-- Local array bounds of the respective PEs |
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294 | nxl = nxlf(pcoord(1)) |
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295 | nxra = nxrf(pcoord(1)) |
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296 | nxr = MIN( nx, nxra ) |
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297 | nys = nysf(pcoord(2)) |
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298 | nyna = nynf(pcoord(2)) |
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299 | nyn = MIN( ny, nyna ) |
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300 | nzb = 0 |
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301 | nzta = nza |
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302 | nzt = MIN( nz, nzta ) |
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303 | nnz = nza |
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304 | |
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305 | ! |
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306 | !-- Calculate array bounds and gridpoint numbers for the transposed arrays |
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307 | !-- (needed in the pressure solver) |
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308 | !-- For the transposed arrays, cyclic boundaries as well as top and bottom |
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309 | !-- boundaries are omitted, because they are obstructive to the transposition |
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310 | |
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311 | ! |
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312 | !-- 1. transposition z --> x |
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313 | !-- This transposition is not neccessary in case of a 1d-decomposition along x, |
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314 | !-- except that the uptream-spline method is switched on |
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315 | IF ( pdims(2) /= 1 .OR. momentum_advec == 'ups-scheme' .OR. & |
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316 | scalar_advec == 'ups-scheme' ) THEN |
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317 | |
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318 | IF ( pdims(2) == 1 .AND. ( momentum_advec == 'ups-scheme' .OR. & |
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319 | scalar_advec == 'ups-scheme' ) ) THEN |
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320 | IF ( myid == 0 ) THEN |
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321 | PRINT*,'+++ WARNING: init_pegrid: 1d-decomposition along x ', & |
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322 | &'chosen but nz restrictions may occur' |
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323 | PRINT*,' since ups-scheme is activated' |
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324 | ENDIF |
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325 | ENDIF |
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326 | nys_x = nys |
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327 | nyn_xa = nyna |
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328 | nyn_x = nyn |
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329 | nny_x = nny |
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330 | IF ( MOD( nza , pdims(1) ) /= 0 ) THEN |
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331 | IF ( myid == 0 ) THEN |
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332 | PRINT*,'+++ transposition z --> x:' |
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333 | PRINT*,' nz=',nz,' is not an integral divisior of pdims(1)=', & |
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334 | &pdims(1) |
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335 | ENDIF |
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336 | CALL local_stop |
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337 | ENDIF |
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338 | nnz_x = nza / pdims(1) |
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339 | nzb_x = 1 + myidx * nnz_x |
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340 | nzt_xa = ( myidx + 1 ) * nnz_x |
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341 | nzt_x = MIN( nzt, nzt_xa ) |
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342 | |
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343 | sendrecvcount_zx = nnx * nny * nnz_x |
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344 | |
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345 | ELSE |
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346 | ! |
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347 | !--- Setting of dummy values because otherwise variables are undefined in |
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348 | !--- the next step x --> y |
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349 | !--- WARNING: This case has still to be clarified!!!!!!!!!!!! |
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350 | nnz_x = 1 |
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351 | nzb_x = 1 |
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352 | nzt_xa = 1 |
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353 | nzt_x = 1 |
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354 | nny_x = nny |
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355 | |
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356 | ENDIF |
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357 | |
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358 | ! |
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359 | !-- 2. transposition x --> y |
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360 | nnz_y = nnz_x |
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361 | nzb_y = nzb_x |
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362 | nzt_ya = nzt_xa |
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363 | nzt_y = nzt_x |
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364 | IF ( MOD( nxa+1 , pdims(2) ) /= 0 ) THEN |
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365 | IF ( myid == 0 ) THEN |
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366 | PRINT*,'+++ transposition x --> y:' |
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367 | PRINT*,' nx+1=',nx+1,' is not an integral divisor of ',& |
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368 | &'pdims(2)=',pdims(2) |
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369 | ENDIF |
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370 | CALL local_stop |
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371 | ENDIF |
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372 | nnx_y = (nxa+1) / pdims(2) |
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373 | nxl_y = myidy * nnx_y |
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374 | nxr_ya = ( myidy + 1 ) * nnx_y - 1 |
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375 | nxr_y = MIN( nx, nxr_ya ) |
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376 | |
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377 | sendrecvcount_xy = nnx_y * nny_x * nnz_y |
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378 | |
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379 | ! |
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380 | !-- 3. transposition y --> z (ELSE: x --> y in case of 1D-decomposition |
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381 | !-- along x) |
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382 | IF ( pdims(2) /= 1 .OR. momentum_advec == 'ups-scheme' .OR. & |
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383 | scalar_advec == 'ups-scheme' ) THEN |
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384 | ! |
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385 | !-- y --> z |
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386 | !-- This transposition is not neccessary in case of a 1d-decomposition |
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387 | !-- along x, except that the uptream-spline method is switched on |
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388 | nnx_z = nnx_y |
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389 | nxl_z = nxl_y |
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390 | nxr_za = nxr_ya |
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391 | nxr_z = nxr_y |
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392 | IF ( MOD( nya+1 , pdims(1) ) /= 0 ) THEN |
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393 | IF ( myid == 0 ) THEN |
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394 | PRINT*,'+++ Transposition y --> z:' |
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395 | PRINT*,' ny+1=',ny+1,' is not an integral divisor of ',& |
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396 | &'pdims(1)=',pdims(1) |
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397 | ENDIF |
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398 | CALL local_stop |
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399 | ENDIF |
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400 | nny_z = (nya+1) / pdims(1) |
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401 | nys_z = myidx * nny_z |
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402 | nyn_za = ( myidx + 1 ) * nny_z - 1 |
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403 | nyn_z = MIN( ny, nyn_za ) |
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404 | |
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405 | sendrecvcount_yz = nnx_y * nny_z * nnz_y |
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406 | |
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407 | ELSE |
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408 | ! |
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409 | !-- x --> y. This condition must be fulfilled for a 1D-decomposition along x |
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410 | IF ( MOD( nya+1 , pdims(1) ) /= 0 ) THEN |
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411 | IF ( myid == 0 ) THEN |
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412 | PRINT*,'+++ Transposition x --> y:' |
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413 | PRINT*,' ny+1=',ny+1,' is not an integral divisor of ',& |
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414 | &'pdims(1)=',pdims(1) |
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415 | ENDIF |
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416 | CALL local_stop |
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417 | ENDIF |
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418 | |
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419 | ENDIF |
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420 | |
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421 | ! |
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422 | !-- Indices for direct transpositions z --> y (used for calculating spectra) |
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423 | IF ( dt_dosp /= 9999999.9 ) THEN |
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424 | IF ( MOD( nza, pdims(2) ) /= 0 ) THEN |
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425 | IF ( myid == 0 ) THEN |
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426 | PRINT*,'+++ Direct transposition z --> y (needed for spectra):' |
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427 | PRINT*,' nz=',nz,' is not an integral divisor of ',& |
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428 | &'pdims(2)=',pdims(2) |
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429 | ENDIF |
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430 | CALL local_stop |
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431 | ELSE |
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432 | nxl_yd = nxl |
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433 | nxr_yda = nxra |
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434 | nxr_yd = nxr |
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435 | nzb_yd = 1 + myidy * ( nza / pdims(2) ) |
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436 | nzt_yda = ( myidy + 1 ) * ( nza / pdims(2) ) |
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437 | nzt_yd = MIN( nzt, nzt_yda ) |
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438 | |
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439 | sendrecvcount_zyd = nnx * nny * ( nza / pdims(2) ) |
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440 | ENDIF |
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441 | ENDIF |
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442 | |
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443 | ! |
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444 | !-- Indices for direct transpositions y --> x (they are only possible in case |
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445 | !-- of a 1d-decomposition along x) |
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446 | IF ( pdims(2) == 1 ) THEN |
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447 | nny_x = nny / pdims(1) |
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448 | nys_x = myid * nny_x |
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449 | nyn_xa = ( myid + 1 ) * nny_x - 1 |
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450 | nyn_x = MIN( ny, nyn_xa ) |
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451 | nzb_x = 1 |
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452 | nzt_xa = nza |
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453 | nzt_x = nz |
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454 | sendrecvcount_xy = nnx * nny_x * nza |
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455 | ENDIF |
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456 | |
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457 | ! |
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458 | !-- Indices for direct transpositions x --> y (they are only possible in case |
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459 | !-- of a 1d-decomposition along y) |
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460 | IF ( pdims(1) == 1 ) THEN |
---|
461 | nnx_y = nnx / pdims(2) |
---|
462 | nxl_y = myid * nnx_y |
---|
463 | nxr_ya = ( myid + 1 ) * nnx_y - 1 |
---|
464 | nxr_y = MIN( nx, nxr_ya ) |
---|
465 | nzb_y = 1 |
---|
466 | nzt_ya = nza |
---|
467 | nzt_y = nz |
---|
468 | sendrecvcount_xy = nnx_y * nny * nza |
---|
469 | ENDIF |
---|
470 | |
---|
471 | ! |
---|
472 | !-- Arrays for storing the array bounds are needed any more |
---|
473 | DEALLOCATE( nxlf , nxrf , nynf , nysf ) |
---|
474 | |
---|
475 | ! |
---|
476 | !-- Collect index bounds from other PEs (to be written to restart file later) |
---|
477 | ALLOCATE( hor_index_bounds(4,0:numprocs-1) ) |
---|
478 | |
---|
479 | IF ( myid == 0 ) THEN |
---|
480 | |
---|
481 | hor_index_bounds(1,0) = nxl |
---|
482 | hor_index_bounds(2,0) = nxr |
---|
483 | hor_index_bounds(3,0) = nys |
---|
484 | hor_index_bounds(4,0) = nyn |
---|
485 | |
---|
486 | ! |
---|
487 | !-- Receive data from all other PEs |
---|
488 | DO i = 1, numprocs-1 |
---|
489 | CALL MPI_RECV( ibuf, 4, MPI_INTEGER, i, MPI_ANY_TAG, comm2d, status, & |
---|
490 | ierr ) |
---|
491 | hor_index_bounds(:,i) = ibuf(1:4) |
---|
492 | ENDDO |
---|
493 | |
---|
494 | ELSE |
---|
495 | ! |
---|
496 | !-- Send index bounds to PE0 |
---|
497 | ibuf(1) = nxl |
---|
498 | ibuf(2) = nxr |
---|
499 | ibuf(3) = nys |
---|
500 | ibuf(4) = nyn |
---|
501 | CALL MPI_SEND( ibuf, 4, MPI_INTEGER, 0, myid, comm2d, ierr ) |
---|
502 | |
---|
503 | ENDIF |
---|
504 | |
---|
505 | #if defined( __print ) |
---|
506 | ! |
---|
507 | !-- Control output |
---|
508 | IF ( myid == 0 ) THEN |
---|
509 | PRINT*, '*** processor topology ***' |
---|
510 | PRINT*, ' ' |
---|
511 | PRINT*, 'myid pcoord left right south north idx idy nxl: nxr',& |
---|
512 | &' nys: nyn' |
---|
513 | PRINT*, '------------------------------------------------------------',& |
---|
514 | &'-----------' |
---|
515 | WRITE (*,1000) 0, pcoord(1), pcoord(2), pleft, pright, psouth, pnorth, & |
---|
516 | myidx, myidy, nxl, nxr, nys, nyn |
---|
517 | 1000 FORMAT (I4,2X,'(',I3,',',I3,')',3X,I4,2X,I4,3X,I4,2X,I4,2X,I3,1X,I3, & |
---|
518 | 2(2X,I4,':',I4)) |
---|
519 | |
---|
520 | ! |
---|
521 | !-- Receive data from the other PEs |
---|
522 | DO i = 1,numprocs-1 |
---|
523 | CALL MPI_RECV( ibuf, 12, MPI_INTEGER, i, MPI_ANY_TAG, comm2d, status, & |
---|
524 | ierr ) |
---|
525 | WRITE (*,1000) i, ( ibuf(j) , j = 1,12 ) |
---|
526 | ENDDO |
---|
527 | ELSE |
---|
528 | |
---|
529 | ! |
---|
530 | !-- Send data to PE0 |
---|
531 | ibuf(1) = pcoord(1); ibuf(2) = pcoord(2); ibuf(3) = pleft |
---|
532 | ibuf(4) = pright; ibuf(5) = psouth; ibuf(6) = pnorth; ibuf(7) = myidx |
---|
533 | ibuf(8) = myidy; ibuf(9) = nxl; ibuf(10) = nxr; ibuf(11) = nys |
---|
534 | ibuf(12) = nyn |
---|
535 | CALL MPI_SEND( ibuf, 12, MPI_INTEGER, 0, myid, comm2d, ierr ) |
---|
536 | ENDIF |
---|
537 | #endif |
---|
538 | |
---|
539 | #if defined( __mpi2 ) |
---|
540 | ! |
---|
541 | !-- In case of coupled runs, get the port name on PE0 of the atmosphere model |
---|
542 | !-- and pass it to PE0 of the ocean model |
---|
543 | IF ( myid == 0 ) THEN |
---|
544 | |
---|
545 | IF ( coupling_mode == 'atmosphere_to_ocean' ) THEN |
---|
546 | |
---|
547 | CALL MPI_OPEN_PORT( MPI_INFO_NULL, port_name, ierr ) |
---|
548 | ! |
---|
549 | !-- TEST OUTPUT (TO BE REMOVED) |
---|
550 | WRITE(9,*) TRIM( coupling_mode ), & |
---|
551 | ', ierr after MPI_OPEN_PORT: ', ierr |
---|
552 | CALL LOCAL_FLUSH( 9 ) |
---|
553 | |
---|
554 | CALL MPI_PUBLISH_NAME( 'palm_coupler', MPI_INFO_NULL, port_name, & |
---|
555 | ierr ) |
---|
556 | ! |
---|
557 | !-- TEST OUTPUT (TO BE REMOVED) |
---|
558 | WRITE(9,*) TRIM( coupling_mode ), & |
---|
559 | ', ierr after MPI_PUBLISH_NAME: ', ierr |
---|
560 | CALL LOCAL_FLUSH( 9 ) |
---|
561 | |
---|
562 | ! |
---|
563 | !-- Write a flag file for the ocean model and the other atmosphere |
---|
564 | !-- processes. |
---|
565 | !-- There seems to be a bug in MPICH2 which causes hanging processes |
---|
566 | !-- in case that execution of LOOKUP_NAME is continued too early |
---|
567 | !-- (i.e. before the port has been created) |
---|
568 | OPEN( 90, FILE='COUPLING_PORT_OPENED', FORM='FORMATTED' ) |
---|
569 | WRITE ( 90, '(''TRUE'')' ) |
---|
570 | CLOSE ( 90 ) |
---|
571 | |
---|
572 | ELSEIF ( coupling_mode == 'ocean_to_atmosphere' ) THEN |
---|
573 | |
---|
574 | ! |
---|
575 | !-- Continue only if the atmosphere model has created the port. |
---|
576 | !-- There seems to be a bug in MPICH2 which causes hanging processes |
---|
577 | !-- in case that execution of LOOKUP_NAME is continued too early |
---|
578 | !-- (i.e. before the port has been created) |
---|
579 | INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found ) |
---|
580 | DO WHILE ( .NOT. found ) |
---|
581 | INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found ) |
---|
582 | ENDDO |
---|
583 | |
---|
584 | CALL MPI_LOOKUP_NAME( 'palm_coupler', MPI_INFO_NULL, port_name, ierr ) |
---|
585 | ! |
---|
586 | !-- TEST OUTPUT (TO BE REMOVED) |
---|
587 | WRITE(9,*) TRIM( coupling_mode ), & |
---|
588 | ', ierr after MPI_LOOKUP_NAME: ', ierr |
---|
589 | CALL LOCAL_FLUSH( 9 ) |
---|
590 | |
---|
591 | |
---|
592 | ENDIF |
---|
593 | |
---|
594 | ENDIF |
---|
595 | |
---|
596 | ! |
---|
597 | !-- In case of coupled runs, establish the connection between the atmosphere |
---|
598 | !-- and the ocean model and define the intercommunicator (comm_inter) |
---|
599 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
600 | IF ( coupling_mode == 'atmosphere_to_ocean' ) THEN |
---|
601 | |
---|
602 | print*, '... before COMM_ACCEPT' |
---|
603 | CALL MPI_COMM_ACCEPT( port_name, MPI_INFO_NULL, 0, MPI_COMM_WORLD, & |
---|
604 | comm_inter, ierr ) |
---|
605 | print*, '--- ierr = ', ierr |
---|
606 | print*, '--- comm_inter atmosphere = ', comm_inter |
---|
607 | |
---|
608 | coupling_mode_remote = 'ocean_to_atmosphere' |
---|
609 | |
---|
610 | ELSEIF ( coupling_mode == 'ocean_to_atmosphere' ) THEN |
---|
611 | |
---|
612 | IF ( myid == 0 ) PRINT*, '*** read: ', port_name, ' ierr = ', ierr |
---|
613 | print*, '... before COMM_CONNECT' |
---|
614 | CALL MPI_COMM_CONNECT( port_name, MPI_INFO_NULL, 0, MPI_COMM_WORLD, & |
---|
615 | comm_inter, ierr ) |
---|
616 | print*, '--- ierr = ', ierr |
---|
617 | print*, '--- comm_inter ocean = ', comm_inter |
---|
618 | |
---|
619 | coupling_mode_remote = 'atmosphere_to_ocean' |
---|
620 | |
---|
621 | ENDIF |
---|
622 | |
---|
623 | ! |
---|
624 | !-- In case of coupled runs, create a new MPI derived datatype for the |
---|
625 | !-- exchange of surface (xy) data . |
---|
626 | !-- Gridpoint number for the exchange of ghost points (xy-plane) |
---|
627 | ngp_xy = ( nxr - nxl + 3 ) * ( nyn - nys + 3 ) |
---|
628 | |
---|
629 | ! |
---|
630 | !-- Define a new MPI derived datatype for the exchange of ghost points in |
---|
631 | !-- y-direction for 2D-arrays (line) |
---|
632 | CALL MPI_TYPE_VECTOR( ngp_xy, 1, nzt-nzb+2, MPI_REAL, type_xy, ierr ) |
---|
633 | CALL MPI_TYPE_COMMIT( type_xy, ierr ) |
---|
634 | #endif |
---|
635 | |
---|
636 | #else |
---|
637 | |
---|
638 | ! |
---|
639 | !-- Array bounds when running on a single PE (respectively a non-parallel |
---|
640 | !-- machine) |
---|
641 | nxl = 0 |
---|
642 | nxr = nx |
---|
643 | nxra = nx |
---|
644 | nnx = nxr - nxl + 1 |
---|
645 | nys = 0 |
---|
646 | nyn = ny |
---|
647 | nyna = ny |
---|
648 | nny = nyn - nys + 1 |
---|
649 | nzb = 0 |
---|
650 | nzt = nz |
---|
651 | nzta = nz |
---|
652 | nnz = nz |
---|
653 | |
---|
654 | ALLOCATE( hor_index_bounds(4,0:0) ) |
---|
655 | hor_index_bounds(1,0) = nxl |
---|
656 | hor_index_bounds(2,0) = nxr |
---|
657 | hor_index_bounds(3,0) = nys |
---|
658 | hor_index_bounds(4,0) = nyn |
---|
659 | |
---|
660 | ! |
---|
661 | !-- Array bounds for the pressure solver (in the parallel code, these bounds |
---|
662 | !-- are the ones for the transposed arrays) |
---|
663 | nys_x = nys |
---|
664 | nyn_x = nyn |
---|
665 | nyn_xa = nyn |
---|
666 | nzb_x = nzb + 1 |
---|
667 | nzt_x = nzt |
---|
668 | nzt_xa = nzt |
---|
669 | |
---|
670 | nxl_y = nxl |
---|
671 | nxr_y = nxr |
---|
672 | nxr_ya = nxr |
---|
673 | nzb_y = nzb + 1 |
---|
674 | nzt_y = nzt |
---|
675 | nzt_ya = nzt |
---|
676 | |
---|
677 | nxl_z = nxl |
---|
678 | nxr_z = nxr |
---|
679 | nxr_za = nxr |
---|
680 | nys_z = nys |
---|
681 | nyn_z = nyn |
---|
682 | nyn_za = nyn |
---|
683 | |
---|
684 | #endif |
---|
685 | |
---|
686 | ! |
---|
687 | !-- Calculate number of grid levels necessary for the multigrid poisson solver |
---|
688 | !-- as well as the gridpoint indices on each level |
---|
689 | IF ( psolver == 'multigrid' ) THEN |
---|
690 | |
---|
691 | ! |
---|
692 | !-- First calculate number of possible grid levels for the subdomains |
---|
693 | mg_levels_x = 1 |
---|
694 | mg_levels_y = 1 |
---|
695 | mg_levels_z = 1 |
---|
696 | |
---|
697 | i = nnx |
---|
698 | DO WHILE ( MOD( i, 2 ) == 0 .AND. i /= 2 ) |
---|
699 | i = i / 2 |
---|
700 | mg_levels_x = mg_levels_x + 1 |
---|
701 | ENDDO |
---|
702 | |
---|
703 | j = nny |
---|
704 | DO WHILE ( MOD( j, 2 ) == 0 .AND. j /= 2 ) |
---|
705 | j = j / 2 |
---|
706 | mg_levels_y = mg_levels_y + 1 |
---|
707 | ENDDO |
---|
708 | |
---|
709 | k = nz ! do not use nnz because it might be > nz due to transposition |
---|
710 | ! requirements |
---|
711 | DO WHILE ( MOD( k, 2 ) == 0 .AND. k /= 2 ) |
---|
712 | k = k / 2 |
---|
713 | mg_levels_z = mg_levels_z + 1 |
---|
714 | ENDDO |
---|
715 | |
---|
716 | maximum_grid_level = MIN( mg_levels_x, mg_levels_y, mg_levels_z ) |
---|
717 | |
---|
718 | ! |
---|
719 | !-- Find out, if the total domain allows more levels. These additional |
---|
720 | !-- levels are processed on PE0 only. |
---|
721 | IF ( numprocs > 1 ) THEN |
---|
722 | IF ( mg_levels_z > MIN( mg_levels_x, mg_levels_y ) ) THEN |
---|
723 | mg_switch_to_pe0_level_l = maximum_grid_level |
---|
724 | |
---|
725 | mg_levels_x = 1 |
---|
726 | mg_levels_y = 1 |
---|
727 | |
---|
728 | i = nx+1 |
---|
729 | DO WHILE ( MOD( i, 2 ) == 0 .AND. i /= 2 ) |
---|
730 | i = i / 2 |
---|
731 | mg_levels_x = mg_levels_x + 1 |
---|
732 | ENDDO |
---|
733 | |
---|
734 | j = ny+1 |
---|
735 | DO WHILE ( MOD( j, 2 ) == 0 .AND. j /= 2 ) |
---|
736 | j = j / 2 |
---|
737 | mg_levels_y = mg_levels_y + 1 |
---|
738 | ENDDO |
---|
739 | |
---|
740 | maximum_grid_level_l = MIN( mg_levels_x, mg_levels_y, mg_levels_z ) |
---|
741 | |
---|
742 | IF ( maximum_grid_level_l > mg_switch_to_pe0_level_l ) THEN |
---|
743 | mg_switch_to_pe0_level_l = maximum_grid_level_l - & |
---|
744 | mg_switch_to_pe0_level_l + 1 |
---|
745 | ELSE |
---|
746 | mg_switch_to_pe0_level_l = 0 |
---|
747 | ENDIF |
---|
748 | ELSE |
---|
749 | mg_switch_to_pe0_level_l = 0 |
---|
750 | maximum_grid_level_l = maximum_grid_level |
---|
751 | ENDIF |
---|
752 | |
---|
753 | ! |
---|
754 | !-- Use switch level calculated above only if it is not pre-defined |
---|
755 | !-- by user |
---|
756 | IF ( mg_switch_to_pe0_level == 0 ) THEN |
---|
757 | |
---|
758 | IF ( mg_switch_to_pe0_level_l /= 0 ) THEN |
---|
759 | mg_switch_to_pe0_level = mg_switch_to_pe0_level_l |
---|
760 | maximum_grid_level = maximum_grid_level_l |
---|
761 | ENDIF |
---|
762 | |
---|
763 | ELSE |
---|
764 | ! |
---|
765 | !-- Check pre-defined value and reset to default, if neccessary |
---|
766 | IF ( mg_switch_to_pe0_level < mg_switch_to_pe0_level_l .OR. & |
---|
767 | mg_switch_to_pe0_level >= maximum_grid_level_l ) THEN |
---|
768 | IF ( myid == 0 ) THEN |
---|
769 | PRINT*, '+++ WARNING init_pegrid: mg_switch_to_pe0_level ', & |
---|
770 | 'out of range and reset to default (=0)' |
---|
771 | ENDIF |
---|
772 | mg_switch_to_pe0_level = 0 |
---|
773 | ELSE |
---|
774 | ! |
---|
775 | !-- Use the largest number of possible levels anyway and recalculate |
---|
776 | !-- the switch level to this largest number of possible values |
---|
777 | maximum_grid_level = maximum_grid_level_l |
---|
778 | |
---|
779 | ENDIF |
---|
780 | ENDIF |
---|
781 | |
---|
782 | ENDIF |
---|
783 | |
---|
784 | ALLOCATE( grid_level_count(maximum_grid_level), & |
---|
785 | nxl_mg(maximum_grid_level), nxr_mg(maximum_grid_level), & |
---|
786 | nyn_mg(maximum_grid_level), nys_mg(maximum_grid_level), & |
---|
787 | nzt_mg(maximum_grid_level) ) |
---|
788 | |
---|
789 | grid_level_count = 0 |
---|
790 | nxl_l = nxl; nxr_l = nxr; nys_l = nys; nyn_l = nyn; nzt_l = nzt |
---|
791 | |
---|
792 | DO i = maximum_grid_level, 1 , -1 |
---|
793 | |
---|
794 | IF ( i == mg_switch_to_pe0_level ) THEN |
---|
795 | #if defined( __parallel ) |
---|
796 | ! |
---|
797 | !-- Save the grid size of the subdomain at the switch level, because |
---|
798 | !-- it is needed in poismg. |
---|
799 | !-- Array bounds of the local subdomain grids are gathered on PE0 |
---|
800 | ind(1) = nxl_l; ind(2) = nxr_l |
---|
801 | ind(3) = nys_l; ind(4) = nyn_l |
---|
802 | ind(5) = nzt_l |
---|
803 | ALLOCATE( ind_all(5*numprocs), mg_loc_ind(5,0:numprocs-1) ) |
---|
804 | CALL MPI_ALLGATHER( ind, 5, MPI_INTEGER, ind_all, 5, & |
---|
805 | MPI_INTEGER, comm2d, ierr ) |
---|
806 | DO j = 0, numprocs-1 |
---|
807 | DO k = 1, 5 |
---|
808 | mg_loc_ind(k,j) = ind_all(k+j*5) |
---|
809 | ENDDO |
---|
810 | ENDDO |
---|
811 | DEALLOCATE( ind_all ) |
---|
812 | ! |
---|
813 | !-- Calculate the grid size of the total domain gathered on PE0 |
---|
814 | nxr_l = ( nxr_l-nxl_l+1 ) * pdims(1) - 1 |
---|
815 | nxl_l = 0 |
---|
816 | nyn_l = ( nyn_l-nys_l+1 ) * pdims(2) - 1 |
---|
817 | nys_l = 0 |
---|
818 | ! |
---|
819 | !-- The size of this gathered array must not be larger than the |
---|
820 | !-- array tend, which is used in the multigrid scheme as a temporary |
---|
821 | !-- array |
---|
822 | subdomain_size = ( nxr - nxl + 3 ) * ( nyn - nys + 3 ) * & |
---|
823 | ( nzt - nzb + 2 ) |
---|
824 | gathered_size = ( nxr_l - nxl_l + 3 ) * ( nyn_l - nys_l + 3 ) * & |
---|
825 | ( nzt_l - nzb + 2 ) |
---|
826 | |
---|
827 | IF ( gathered_size > subdomain_size ) THEN |
---|
828 | IF ( myid == 0 ) THEN |
---|
829 | PRINT*, '+++ init_pegrid: not enough memory for storing ', & |
---|
830 | 'gathered multigrid data on PE0' |
---|
831 | ENDIF |
---|
832 | CALL local_stop |
---|
833 | ENDIF |
---|
834 | #else |
---|
835 | PRINT*, '+++ init_pegrid: multigrid gather/scatter impossible ', & |
---|
836 | 'in non parallel mode' |
---|
837 | CALL local_stop |
---|
838 | #endif |
---|
839 | ENDIF |
---|
840 | |
---|
841 | nxl_mg(i) = nxl_l |
---|
842 | nxr_mg(i) = nxr_l |
---|
843 | nys_mg(i) = nys_l |
---|
844 | nyn_mg(i) = nyn_l |
---|
845 | nzt_mg(i) = nzt_l |
---|
846 | |
---|
847 | nxl_l = nxl_l / 2 |
---|
848 | nxr_l = nxr_l / 2 |
---|
849 | nys_l = nys_l / 2 |
---|
850 | nyn_l = nyn_l / 2 |
---|
851 | nzt_l = nzt_l / 2 |
---|
852 | ENDDO |
---|
853 | |
---|
854 | ELSE |
---|
855 | |
---|
856 | maximum_grid_level = 1 |
---|
857 | |
---|
858 | ENDIF |
---|
859 | |
---|
860 | grid_level = maximum_grid_level |
---|
861 | |
---|
862 | #if defined( __parallel ) |
---|
863 | ! |
---|
864 | !-- Gridpoint number for the exchange of ghost points (y-line for 2D-arrays) |
---|
865 | ngp_y = nyn - nys + 1 |
---|
866 | |
---|
867 | ! |
---|
868 | !-- Define a new MPI derived datatype for the exchange of ghost points in |
---|
869 | !-- y-direction for 2D-arrays (line) |
---|
870 | CALL MPI_TYPE_VECTOR( nxr-nxl+3, 1, ngp_y+2, MPI_REAL, type_x, ierr ) |
---|
871 | CALL MPI_TYPE_COMMIT( type_x, ierr ) |
---|
872 | CALL MPI_TYPE_VECTOR( nxr-nxl+3, 1, ngp_y+2, MPI_INTEGER, type_x_int, ierr ) |
---|
873 | CALL MPI_TYPE_COMMIT( type_x_int, ierr ) |
---|
874 | |
---|
875 | ! |
---|
876 | !-- Calculate gridpoint numbers for the exchange of ghost points along x |
---|
877 | !-- (yz-plane for 3D-arrays) and define MPI derived data type(s) for the |
---|
878 | !-- exchange of ghost points in y-direction (xz-plane). |
---|
879 | !-- Do these calculations for the model grid and (if necessary) also |
---|
880 | !-- for the coarser grid levels used in the multigrid method |
---|
881 | ALLOCATE ( ngp_yz(maximum_grid_level), type_xz(maximum_grid_level) ) |
---|
882 | |
---|
883 | nxl_l = nxl; nxr_l = nxr; nys_l = nys; nyn_l = nyn; nzb_l = nzb; nzt_l = nzt |
---|
884 | |
---|
885 | DO i = maximum_grid_level, 1 , -1 |
---|
886 | ngp_yz(i) = (nzt_l - nzb_l + 2) * (nyn_l - nys_l + 3) |
---|
887 | |
---|
888 | CALL MPI_TYPE_VECTOR( nxr_l-nxl_l+3, nzt_l-nzb_l+2, ngp_yz(i), & |
---|
889 | MPI_REAL, type_xz(i), ierr ) |
---|
890 | CALL MPI_TYPE_COMMIT( type_xz(i), ierr ) |
---|
891 | |
---|
892 | nxl_l = nxl_l / 2 |
---|
893 | nxr_l = nxr_l / 2 |
---|
894 | nys_l = nys_l / 2 |
---|
895 | nyn_l = nyn_l / 2 |
---|
896 | nzt_l = nzt_l / 2 |
---|
897 | ENDDO |
---|
898 | #endif |
---|
899 | |
---|
900 | #if defined( __parallel ) |
---|
901 | ! |
---|
902 | !-- Setting of flags for inflow/outflow conditions in case of non-cyclic |
---|
903 | !-- horizontal boundary conditions. |
---|
904 | IF ( pleft == MPI_PROC_NULL ) THEN |
---|
905 | IF ( bc_lr == 'dirichlet/radiation' ) THEN |
---|
906 | inflow_l = .TRUE. |
---|
907 | ELSEIF ( bc_lr == 'radiation/dirichlet' ) THEN |
---|
908 | outflow_l = .TRUE. |
---|
909 | ENDIF |
---|
910 | ENDIF |
---|
911 | |
---|
912 | IF ( pright == MPI_PROC_NULL ) THEN |
---|
913 | IF ( bc_lr == 'dirichlet/radiation' ) THEN |
---|
914 | outflow_r = .TRUE. |
---|
915 | ELSEIF ( bc_lr == 'radiation/dirichlet' ) THEN |
---|
916 | inflow_r = .TRUE. |
---|
917 | ENDIF |
---|
918 | ENDIF |
---|
919 | |
---|
920 | IF ( psouth == MPI_PROC_NULL ) THEN |
---|
921 | IF ( bc_ns == 'dirichlet/radiation' ) THEN |
---|
922 | outflow_s = .TRUE. |
---|
923 | ELSEIF ( bc_ns == 'radiation/dirichlet' ) THEN |
---|
924 | inflow_s = .TRUE. |
---|
925 | ENDIF |
---|
926 | ENDIF |
---|
927 | |
---|
928 | IF ( pnorth == MPI_PROC_NULL ) THEN |
---|
929 | IF ( bc_ns == 'dirichlet/radiation' ) THEN |
---|
930 | inflow_n = .TRUE. |
---|
931 | ELSEIF ( bc_ns == 'radiation/dirichlet' ) THEN |
---|
932 | outflow_n = .TRUE. |
---|
933 | ENDIF |
---|
934 | ENDIF |
---|
935 | |
---|
936 | ! |
---|
937 | !-- Broadcast the id of the inflow PE |
---|
938 | IF ( inflow_l ) THEN |
---|
939 | id_inflow_l = myidx |
---|
940 | ELSE |
---|
941 | id_inflow_l = 0 |
---|
942 | ENDIF |
---|
943 | CALL MPI_ALLREDUCE( id_inflow_l, id_inflow, 1, MPI_INTEGER, MPI_SUM, & |
---|
944 | comm1dx, ierr ) |
---|
945 | |
---|
946 | ! |
---|
947 | !-- Broadcast the id of the recycling plane |
---|
948 | !-- WARNING: needs to be adjusted in case of inflows other than from left side! |
---|
949 | IF ( ( recycling_width / dx ) >= nxl .AND. ( recycling_width / dx ) <= nxr ) & |
---|
950 | THEN |
---|
951 | id_recycling_l = myidx |
---|
952 | ELSE |
---|
953 | id_recycling_l = 0 |
---|
954 | ENDIF |
---|
955 | CALL MPI_ALLREDUCE( id_recycling_l, id_recycling, 1, MPI_INTEGER, MPI_SUM, & |
---|
956 | comm1dx, ierr ) |
---|
957 | |
---|
958 | #else |
---|
959 | IF ( bc_lr == 'dirichlet/radiation' ) THEN |
---|
960 | inflow_l = .TRUE. |
---|
961 | outflow_r = .TRUE. |
---|
962 | ELSEIF ( bc_lr == 'radiation/dirichlet' ) THEN |
---|
963 | outflow_l = .TRUE. |
---|
964 | inflow_r = .TRUE. |
---|
965 | ENDIF |
---|
966 | |
---|
967 | IF ( bc_ns == 'dirichlet/radiation' ) THEN |
---|
968 | inflow_n = .TRUE. |
---|
969 | outflow_s = .TRUE. |
---|
970 | ELSEIF ( bc_ns == 'radiation/dirichlet' ) THEN |
---|
971 | outflow_n = .TRUE. |
---|
972 | inflow_s = .TRUE. |
---|
973 | ENDIF |
---|
974 | #endif |
---|
975 | ! |
---|
976 | !-- At the outflow, u or v, respectively, have to be calculated for one more |
---|
977 | !-- grid point. |
---|
978 | IF ( outflow_l ) THEN |
---|
979 | nxlu = nxl + 1 |
---|
980 | ELSE |
---|
981 | nxlu = nxl |
---|
982 | ENDIF |
---|
983 | IF ( outflow_s ) THEN |
---|
984 | nysv = nys + 1 |
---|
985 | ELSE |
---|
986 | nysv = nys |
---|
987 | ENDIF |
---|
988 | |
---|
989 | IF ( psolver == 'poisfft_hybrid' ) THEN |
---|
990 | CALL poisfft_hybrid_ini |
---|
991 | ELSEIF ( psolver == 'poisfft' ) THEN |
---|
992 | CALL poisfft_init |
---|
993 | ENDIF |
---|
994 | |
---|
995 | ! |
---|
996 | !-- Allocate wall flag arrays used in the multigrid solver |
---|
997 | IF ( psolver == 'multigrid' ) THEN |
---|
998 | |
---|
999 | DO i = maximum_grid_level, 1, -1 |
---|
1000 | |
---|
1001 | SELECT CASE ( i ) |
---|
1002 | |
---|
1003 | CASE ( 1 ) |
---|
1004 | ALLOCATE( wall_flags_1(nzb:nzt_mg(i)+1, & |
---|
1005 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1006 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1007 | |
---|
1008 | CASE ( 2 ) |
---|
1009 | ALLOCATE( wall_flags_2(nzb:nzt_mg(i)+1, & |
---|
1010 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1011 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1012 | |
---|
1013 | CASE ( 3 ) |
---|
1014 | ALLOCATE( wall_flags_3(nzb:nzt_mg(i)+1, & |
---|
1015 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1016 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1017 | |
---|
1018 | CASE ( 4 ) |
---|
1019 | ALLOCATE( wall_flags_4(nzb:nzt_mg(i)+1, & |
---|
1020 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1021 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1022 | |
---|
1023 | CASE ( 5 ) |
---|
1024 | ALLOCATE( wall_flags_5(nzb:nzt_mg(i)+1, & |
---|
1025 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1026 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1027 | |
---|
1028 | CASE ( 6 ) |
---|
1029 | ALLOCATE( wall_flags_6(nzb:nzt_mg(i)+1, & |
---|
1030 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1031 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1032 | |
---|
1033 | CASE ( 7 ) |
---|
1034 | ALLOCATE( wall_flags_7(nzb:nzt_mg(i)+1, & |
---|
1035 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1036 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1037 | |
---|
1038 | CASE ( 8 ) |
---|
1039 | ALLOCATE( wall_flags_8(nzb:nzt_mg(i)+1, & |
---|
1040 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1041 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1042 | |
---|
1043 | CASE ( 9 ) |
---|
1044 | ALLOCATE( wall_flags_9(nzb:nzt_mg(i)+1, & |
---|
1045 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1046 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1047 | |
---|
1048 | CASE ( 10 ) |
---|
1049 | ALLOCATE( wall_flags_10(nzb:nzt_mg(i)+1, & |
---|
1050 | nys_mg(i)-1:nyn_mg(i)+1, & |
---|
1051 | nxl_mg(i)-1:nxr_mg(i)+1) ) |
---|
1052 | |
---|
1053 | CASE DEFAULT |
---|
1054 | IF ( myid == 0 ) PRINT*, '+++ init_pegrid: more than 10 ', & |
---|
1055 | ' multigrid levels' |
---|
1056 | CALL local_stop |
---|
1057 | |
---|
1058 | END SELECT |
---|
1059 | |
---|
1060 | ENDDO |
---|
1061 | |
---|
1062 | ENDIF |
---|
1063 | |
---|
1064 | END SUBROUTINE init_pegrid |
---|