1 | !> @file exchange_horiz_2d.f90 |
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2 | !------------------------------------------------------------------------------! |
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3 | ! This file is part of the PALM model system. |
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4 | ! |
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5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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6 | ! terms of the GNU General Public License as published by the Free Software |
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7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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8 | ! version. |
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9 | ! |
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10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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13 | ! |
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14 | ! You should have received a copy of the GNU General Public License along with |
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15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 1997-2020 Leibniz Universitaet Hannover |
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18 | !------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! Current revisions: |
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21 | ! ----------------- |
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22 | ! |
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23 | ! |
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24 | ! Former revisions: |
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25 | ! ----------------- |
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26 | ! $Id: exchange_horiz_2d.f90 4453 2020-03-11 08:10:13Z raasch $ |
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27 | ! obsolete IF check about nesting removed |
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28 | ! |
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29 | ! 4444 2020-03-05 15:59:50Z raasch |
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30 | ! bugfix: cpp-directives for serial mode added |
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31 | ! |
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32 | ! 4360 2020-01-07 11:25:50Z suehring |
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33 | ! Corrected "Former revisions" section |
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34 | ! |
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35 | ! 3768 2019-02-27 14:35:58Z raasch |
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36 | ! further variables moved to serial branch to avoid compiler warnings about unused variables |
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37 | ! |
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38 | ! 3761 2019-02-25 15:31:42Z raasch |
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39 | ! variables moved to serial branch to avoid compiler warnings about unused variables |
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40 | ! |
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41 | ! 3655 2019-01-07 16:51:22Z knoop |
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42 | ! - New routine for exchange of 8-bit integer arrays |
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43 | ! - Set Neumann conditions also at radiation boundary |
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44 | ! |
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45 | ! Revision 1.1 1998/01/23 09:58:21 raasch |
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46 | ! Initial revision |
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47 | ! |
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48 | ! |
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49 | ! Description: |
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50 | ! ------------ |
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51 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
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52 | !> boundary conditions, respectively, for 2D-arrays. |
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53 | !------------------------------------------------------------------------------! |
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54 | SUBROUTINE exchange_horiz_2d( ar ) |
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55 | |
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56 | |
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57 | USE control_parameters, & |
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58 | ONLY : bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, & |
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59 | bc_dirichlet_s, bc_radiation_l, & |
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60 | bc_radiation_n, bc_radiation_r, bc_radiation_s |
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61 | |
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62 | USE cpulog, & |
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63 | ONLY : cpu_log, log_point_s |
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64 | |
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65 | USE indices, & |
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66 | ONLY : nbgp, nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg |
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67 | |
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68 | USE kinds |
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69 | |
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70 | USE pegrid |
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71 | |
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72 | #if ! defined( __parallel ) |
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73 | USE control_parameters, & |
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74 | ONLY: bc_lr_cyc, bc_ns_cyc |
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75 | #endif |
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76 | |
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77 | |
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78 | IMPLICIT NONE |
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79 | |
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80 | |
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81 | INTEGER(iwp) :: i !< |
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82 | |
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83 | REAL(wp) :: ar(nysg:nyng,nxlg:nxrg) !< |
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84 | |
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85 | |
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86 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
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87 | |
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88 | #if defined( __parallel ) |
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89 | |
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90 | ! |
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91 | !-- Exchange of lateral boundary values for parallel computers |
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92 | IF ( pdims(1) == 1 ) THEN |
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93 | |
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94 | ! |
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95 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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96 | !-- within the PE memory |
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97 | ar(:,nxlg:nxl-1) = ar(:,nxr-nbgp+1:nxr) |
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98 | ar(:,nxr+1:nxrg) = ar(:,nxl:nxl+nbgp-1) |
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99 | |
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100 | ELSE |
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101 | ! |
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102 | !-- Send left boundary, receive right one |
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103 | |
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104 | CALL MPI_SENDRECV( ar(nysg,nxl), 1, type_y, pleft, 0, & |
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105 | ar(nysg,nxr+1), 1, type_y, pright, 0, & |
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106 | comm2d, status, ierr ) |
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107 | ! |
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108 | !-- Send right boundary, receive left one |
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109 | CALL MPI_SENDRECV( ar(nysg,nxr+1-nbgp), 1, type_y, pright, 1, & |
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110 | ar(nysg,nxlg), 1, type_y, pleft, 1, & |
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111 | comm2d, status, ierr ) |
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112 | |
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113 | |
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114 | ENDIF |
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115 | |
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116 | IF ( pdims(2) == 1 ) THEN |
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117 | ! |
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118 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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119 | !-- within the PE memory |
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120 | ar(nysg:nys-1,:) = ar(nyn-nbgp+1:nyn,:) |
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121 | ar(nyn+1:nyng,:) = ar(nys:nys+nbgp-1,:) |
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122 | |
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123 | ELSE |
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124 | ! |
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125 | !-- Send front boundary, receive rear one |
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126 | |
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127 | CALL MPI_SENDRECV( ar(nys,nxlg), 1, type_x, psouth, 0, & |
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128 | ar(nyn+1,nxlg), 1, type_x, pnorth, 0, & |
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129 | comm2d, status, ierr ) |
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130 | ! |
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131 | !-- Send rear boundary, receive front one |
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132 | CALL MPI_SENDRECV( ar(nyn+1-nbgp,nxlg), 1, type_x, pnorth, 1, & |
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133 | ar(nysg,nxlg), 1, type_x, psouth, 1, & |
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134 | comm2d, status, ierr ) |
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135 | |
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136 | ENDIF |
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137 | |
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138 | #else |
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139 | |
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140 | ! |
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141 | !-- Lateral boundary conditions in the non-parallel case |
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142 | IF ( bc_lr_cyc ) THEN |
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143 | ar(:,nxlg:nxl-1) = ar(:,nxr-nbgp+1:nxr) |
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144 | ar(:,nxr+1:nxrg) = ar(:,nxl:nxl+nbgp-1) |
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145 | ENDIF |
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146 | |
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147 | IF ( bc_ns_cyc ) THEN |
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148 | ar(nysg:nys-1,:) = ar(nyn-nbgp+1:nyn,:) |
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149 | ar(nyn+1:nyng,:) = ar(nys:nys+nbgp-1,:) |
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150 | ENDIF |
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151 | |
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152 | #endif |
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153 | |
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154 | ! |
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155 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
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156 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
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157 | DO i = nbgp, 1, -1 |
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158 | ar(:,nxl-i) = ar(:,nxl) |
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159 | ENDDO |
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160 | ENDIF |
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161 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
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162 | DO i = 1, nbgp |
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163 | ar(:,nxr+i) = ar(:,nxr) |
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164 | ENDDO |
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165 | ENDIF |
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166 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
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167 | DO i = nbgp, 1, -1 |
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168 | ar(nys-i,:) = ar(nys,:) |
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169 | ENDDO |
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170 | ENDIF |
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171 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
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172 | DO i = 1, nbgp |
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173 | ar(nyn+i,:) = ar(nyn,:) |
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174 | ENDDO |
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175 | ENDIF |
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176 | |
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177 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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178 | |
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179 | END SUBROUTINE exchange_horiz_2d |
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180 | |
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181 | |
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182 | !------------------------------------------------------------------------------! |
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183 | ! Description: |
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184 | ! ------------ |
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185 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
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186 | !> boundary conditions, respectively, for 2D 8-bit integer arrays. |
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187 | !------------------------------------------------------------------------------! |
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188 | SUBROUTINE exchange_horiz_2d_byte( ar, nys_l, nyn_l, nxl_l, nxr_l, nbgp_local ) |
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189 | |
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190 | |
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191 | USE control_parameters, & |
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192 | ONLY: bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, bc_dirichlet_s, & |
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193 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s, & |
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194 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s |
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195 | |
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196 | USE cpulog, & |
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197 | ONLY: cpu_log, log_point_s |
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198 | |
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199 | USE kinds |
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200 | |
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201 | USE pegrid |
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202 | |
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203 | #if ! defined( __parallel ) |
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204 | USE control_parameters, & |
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205 | ONLY: bc_lr_cyc, bc_ns_cyc |
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206 | #endif |
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207 | |
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208 | IMPLICIT NONE |
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209 | |
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210 | INTEGER(iwp) :: i !< dummy index to zero-gradient conditions at in/outflow boundaries |
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211 | INTEGER(iwp) :: nxl_l !< local index bound at current grid level, left side |
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212 | INTEGER(iwp) :: nxr_l !< local index bound at current grid level, right side |
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213 | INTEGER(iwp) :: nyn_l !< local index bound at current grid level, north side |
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214 | INTEGER(iwp) :: nys_l !< local index bound at current grid level, south side |
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215 | INTEGER(iwp) :: nbgp_local !< number of ghost layers to be exchanged |
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216 | |
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217 | INTEGER(KIND=1), DIMENSION(nys_l-nbgp_local:nyn_l+nbgp_local, & |
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218 | nxl_l-nbgp_local:nxr_l+nbgp_local) :: ar !< treated array |
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219 | |
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220 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
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221 | |
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222 | #if defined( __parallel ) |
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223 | |
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224 | ! |
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225 | !-- Exchange of lateral boundary values for parallel computers |
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226 | IF ( pdims(1) == 1 ) THEN |
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227 | |
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228 | ! |
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229 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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230 | !-- within the PE memory |
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231 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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232 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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233 | |
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234 | ELSE |
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235 | ! |
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236 | !-- Send left boundary, receive right one |
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237 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxl_l), 1, & |
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238 | type_y_byte, pleft, 0, & |
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239 | ar(nys_l-nbgp_local,nxr_l+1), 1, & |
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240 | type_y_byte, pright, 0, & |
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241 | comm2d, status, ierr ) |
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242 | ! |
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243 | !-- Send right boundary, receive left one |
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244 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxr_l+1-nbgp_local), 1, & |
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245 | type_y_byte, pright, 1, & |
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246 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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247 | type_y_byte, pleft, 1, & |
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248 | comm2d, status, ierr ) |
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249 | |
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250 | ENDIF |
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251 | |
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252 | IF ( pdims(2) == 1 ) THEN |
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253 | ! |
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254 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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255 | !-- within the PE memory |
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256 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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257 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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258 | |
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259 | |
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260 | ELSE |
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261 | ! |
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262 | !-- Send front boundary, receive rear one |
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263 | CALL MPI_SENDRECV( ar(nys_l,nxl_l-nbgp_local), 1, & |
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264 | type_x_byte, psouth, 0, & |
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265 | ar(nyn_l+1,nxl_l-nbgp_local), 1, & |
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266 | type_x_byte, pnorth, 0, & |
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267 | comm2d, status, ierr ) |
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268 | |
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269 | ! |
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270 | !-- Send rear boundary, receive front one |
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271 | CALL MPI_SENDRECV( ar(nyn_l+1-nbgp_local,nxl_l-nbgp_local), 1, & |
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272 | type_x_byte, pnorth, 1, & |
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273 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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274 | type_x_byte, psouth, 1, & |
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275 | comm2d, status, ierr ) |
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276 | |
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277 | ENDIF |
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278 | |
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279 | #else |
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280 | |
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281 | ! |
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282 | !-- Lateral boundary conditions in the non-parallel case |
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283 | IF ( bc_lr_cyc ) THEN |
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284 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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285 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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286 | ENDIF |
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287 | |
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288 | IF ( bc_ns_cyc ) THEN |
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289 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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290 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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291 | ENDIF |
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292 | |
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293 | #endif |
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294 | ! |
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295 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
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296 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
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297 | DO i = nbgp_local, 1, -1 |
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298 | ar(:,nxl_l-i) = ar(:,nxl_l) |
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299 | ENDDO |
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300 | ENDIF |
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301 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
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302 | DO i = 1, nbgp_local |
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303 | ar(:,nxr_l+i) = ar(:,nxr_l) |
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304 | ENDDO |
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305 | ENDIF |
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306 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
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307 | DO i = nbgp_local, 1, -1 |
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308 | ar(nys_l-i,:) = ar(nys_l,:) |
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309 | ENDDO |
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310 | ENDIF |
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311 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
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312 | DO i = 1, nbgp_local |
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313 | ar(nyn_l+i,:) = ar(nyn_l,:) |
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314 | ENDDO |
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315 | ENDIF |
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316 | |
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317 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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318 | |
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319 | END SUBROUTINE exchange_horiz_2d_byte |
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320 | |
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321 | |
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322 | !------------------------------------------------------------------------------! |
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323 | ! Description: |
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324 | ! ------------ |
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325 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
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326 | !> boundary conditions, respectively, for 2D 32-bit integer arrays. |
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327 | !------------------------------------------------------------------------------! |
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328 | SUBROUTINE exchange_horiz_2d_int( ar, nys_l, nyn_l, nxl_l, nxr_l, nbgp_local ) |
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329 | |
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330 | |
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331 | USE control_parameters, & |
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332 | ONLY: bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, bc_dirichlet_s, & |
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333 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s, & |
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334 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s |
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335 | |
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336 | #if defined( __parallel ) |
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337 | USE control_parameters, & |
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338 | ONLY: grid_level |
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339 | #endif |
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340 | |
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341 | USE cpulog, & |
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342 | ONLY: cpu_log, log_point_s |
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343 | |
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344 | USE kinds |
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345 | |
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346 | USE pegrid |
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347 | |
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348 | #if ! defined( __parallel ) |
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349 | USE control_parameters, & |
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350 | ONLY: bc_lr_cyc, bc_ns_cyc |
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351 | #endif |
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352 | |
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353 | IMPLICIT NONE |
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354 | |
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355 | INTEGER(iwp) :: i !< dummy index to zero-gradient conditions at in/outflow boundaries |
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356 | INTEGER(iwp) :: nxl_l !< local index bound at current grid level, left side |
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357 | INTEGER(iwp) :: nxr_l !< local index bound at current grid level, right side |
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358 | INTEGER(iwp) :: nyn_l !< local index bound at current grid level, north side |
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359 | INTEGER(iwp) :: nys_l !< local index bound at current grid level, south side |
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360 | INTEGER(iwp) :: nbgp_local !< number of ghost layers to be exchanged |
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361 | |
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362 | INTEGER(iwp), DIMENSION(nys_l-nbgp_local:nyn_l+nbgp_local, & |
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363 | nxl_l-nbgp_local:nxr_l+nbgp_local) :: ar !< treated array |
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364 | |
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365 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
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366 | |
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367 | #if defined( __parallel ) |
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368 | |
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369 | ! |
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370 | !-- Exchange of lateral boundary values for parallel computers |
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371 | IF ( pdims(1) == 1 ) THEN |
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372 | |
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373 | ! |
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374 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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375 | !-- within the PE memory |
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376 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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377 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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378 | |
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379 | ELSE |
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380 | ! |
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381 | !-- Send left boundary, receive right one |
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382 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxl_l), 1, & |
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383 | type_y_int(grid_level), pleft, 0, & |
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384 | ar(nys_l-nbgp_local,nxr_l+1), 1, & |
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385 | type_y_int(grid_level), pright, 0, & |
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386 | comm2d, status, ierr ) |
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387 | ! |
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388 | !-- Send right boundary, receive left one |
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389 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxr_l+1-nbgp_local), 1, & |
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390 | type_y_int(grid_level), pright, 1, & |
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391 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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392 | type_y_int(grid_level), pleft, 1, & |
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393 | comm2d, status, ierr ) |
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394 | |
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395 | ENDIF |
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396 | |
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397 | IF ( pdims(2) == 1 ) THEN |
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398 | ! |
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399 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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400 | !-- within the PE memory |
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401 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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402 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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403 | |
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404 | |
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405 | ELSE |
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406 | ! |
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407 | !-- Send front boundary, receive rear one |
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408 | CALL MPI_SENDRECV( ar(nys_l,nxl_l-nbgp_local), 1, & |
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409 | type_x_int(grid_level), psouth, 0, & |
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410 | ar(nyn_l+1,nxl_l-nbgp_local), 1, & |
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411 | type_x_int(grid_level), pnorth, 0, & |
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412 | comm2d, status, ierr ) |
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413 | |
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414 | ! |
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415 | !-- Send rear boundary, receive front one |
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416 | CALL MPI_SENDRECV( ar(nyn_l+1-nbgp_local,nxl_l-nbgp_local), 1, & |
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417 | type_x_int(grid_level), pnorth, 1, & |
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418 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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419 | type_x_int(grid_level), psouth, 1, & |
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420 | comm2d, status, ierr ) |
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421 | |
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422 | ENDIF |
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423 | |
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424 | #else |
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425 | |
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426 | ! |
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427 | !-- Lateral boundary conditions in the non-parallel case |
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428 | IF ( bc_lr_cyc ) THEN |
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429 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
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430 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
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431 | ENDIF |
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432 | |
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433 | IF ( bc_ns_cyc ) THEN |
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434 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
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435 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
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436 | ENDIF |
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437 | |
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438 | #endif |
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439 | ! |
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440 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
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441 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
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442 | DO i = nbgp_local, 1, -1 |
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443 | ar(:,nxl_l-i) = ar(:,nxl_l) |
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444 | ENDDO |
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445 | ENDIF |
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446 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
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447 | DO i = 1, nbgp_local |
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448 | ar(:,nxr_l+i) = ar(:,nxr_l) |
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449 | ENDDO |
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450 | ENDIF |
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451 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
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452 | DO i = nbgp_local, 1, -1 |
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453 | ar(nys_l-i,:) = ar(nys_l,:) |
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454 | ENDDO |
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455 | ENDIF |
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456 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
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457 | DO i = 1, nbgp_local |
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458 | ar(nyn_l+i,:) = ar(nyn_l,:) |
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459 | ENDDO |
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460 | ENDIF |
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461 | |
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462 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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463 | |
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464 | END SUBROUTINE exchange_horiz_2d_int |
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