1 | SUBROUTINE transpose_xy( f_in, work, f_out ) |
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2 | |
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3 | !--------------------------------------------------------------------------------! |
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4 | ! This file is part of PALM. |
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5 | ! |
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6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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8 | ! either version 3 of the License, or (at your option) any later 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 1997-2012 Leibniz University 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: transpose.f90 1036 2012-10-22 13:43:42Z raasch $ |
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27 | ! |
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28 | ! 1003 2012-09-14 14:35:53Z raasch |
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29 | ! indices nxa, nya, etc. replaced by nx, ny, etc. |
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30 | ! |
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31 | ! 683 2011-02-09 14:25:15Z raasch |
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32 | ! openMP parallelization of transpositions for 2d-domain-decomposition |
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33 | ! |
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34 | ! 622 2010-12-10 08:08:13Z raasch |
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35 | ! optional barriers included in order to speed up collective operations |
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36 | ! |
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37 | ! 164 2008-05-15 08:46:15Z raasch |
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38 | ! f_inv changed from subroutine argument to automatic array in order to do |
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39 | ! re-ordering from f_in to f_inv in one step, one array work is needed instead |
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40 | ! of work1 and work2 |
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41 | ! |
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42 | ! February 2007 |
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43 | ! RCS Log replace by Id keyword, revision history cleaned up |
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44 | ! |
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45 | ! Revision 1.2 2004/04/30 13:12:17 raasch |
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46 | ! Switched from mpi_alltoallv to the simpler mpi_alltoall, |
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47 | ! all former transpose-routine files collected in this file, enlarged |
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48 | ! transposition arrays introduced |
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49 | ! |
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50 | ! Revision 1.1 2004/04/30 13:08:16 raasch |
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51 | ! Initial revision (collection of former routines transpose_xy, transpose_xz, |
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52 | ! transpose_yx, transpose_yz, transpose_zx, transpose_zy) |
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53 | ! |
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54 | ! Revision 1.1 1997/07/24 11:25:18 raasch |
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55 | ! Initial revision |
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56 | ! |
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57 | ! |
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58 | ! Description: |
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59 | ! ------------ |
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60 | ! Transposition of input array (f_in) from x to y. For the input array, all |
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61 | ! elements along x reside on the same PE, while after transposition, all |
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62 | ! elements along y reside on the same PE. |
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63 | !------------------------------------------------------------------------------! |
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64 | |
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65 | USE cpulog |
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66 | USE indices |
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67 | USE interfaces |
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68 | USE pegrid |
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69 | USE transpose_indices |
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70 | |
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71 | IMPLICIT NONE |
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72 | |
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73 | INTEGER :: i, j, k, l, m, ys |
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74 | |
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75 | REAL :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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76 | f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx), & |
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77 | f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), & |
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78 | work(nnx*nny*nnz) |
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79 | |
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80 | #if defined( __parallel ) |
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81 | |
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82 | ! |
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83 | !-- Rearrange indices of input array in order to make data to be send |
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84 | !-- by MPI contiguous |
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85 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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86 | !$OMP DO |
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87 | DO i = 0, nx |
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88 | DO k = nzb_x, nzt_x |
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89 | DO j = nys_x, nyn_x |
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90 | f_inv(j,k,i) = f_in(i,j,k) |
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91 | ENDDO |
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92 | ENDDO |
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93 | ENDDO |
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94 | !$OMP END PARALLEL |
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95 | |
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96 | ! |
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97 | !-- Transpose array |
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98 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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99 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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100 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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101 | work(1), sendrecvcount_xy, MPI_REAL, & |
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102 | comm1dy, ierr ) |
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103 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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104 | |
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105 | ! |
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106 | !-- Reorder transposed array |
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107 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, ys ) |
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108 | !$OMP DO |
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109 | DO l = 0, pdims(2) - 1 |
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110 | m = l * ( nxr_y - nxl_y + 1 ) * ( nzt_y - nzb_y + 1 ) * & |
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111 | ( nyn_x - nys_x + 1 ) |
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112 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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113 | DO i = nxl_y, nxr_y |
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114 | DO k = nzb_y, nzt_y |
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115 | DO j = ys, ys + nyn_x - nys_x |
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116 | m = m + 1 |
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117 | f_out(j,i,k) = work(m) |
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118 | ENDDO |
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119 | ENDDO |
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120 | ENDDO |
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121 | ENDDO |
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122 | !$OMP END PARALLEL |
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123 | |
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124 | #endif |
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125 | |
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126 | END SUBROUTINE transpose_xy |
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127 | |
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128 | |
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129 | SUBROUTINE transpose_xz( f_in, work, f_out ) |
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130 | |
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131 | !------------------------------------------------------------------------------! |
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132 | ! Description: |
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133 | ! ------------ |
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134 | ! Transposition of input array (f_in) from x to z. For the input array, all |
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135 | ! elements along x reside on the same PE, while after transposition, all |
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136 | ! elements along z reside on the same PE. |
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137 | !------------------------------------------------------------------------------! |
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138 | |
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139 | USE cpulog |
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140 | USE indices |
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141 | USE interfaces |
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142 | USE pegrid |
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143 | USE transpose_indices |
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144 | |
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145 | IMPLICIT NONE |
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146 | |
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147 | INTEGER :: i, j, k, l, m, xs |
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148 | |
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149 | REAL :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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150 | f_inv(nys:nyn,nxl:nxr,1:nz), & |
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151 | f_out(1:nz,nys:nyn,nxl:nxr), & |
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152 | work(nnx*nny*nnz) |
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153 | |
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154 | #if defined( __parallel ) |
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155 | |
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156 | ! |
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157 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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158 | !-- reordered locally and therefore no transposition has to be done. |
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159 | IF ( pdims(1) /= 1 ) THEN |
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160 | ! |
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161 | !-- Reorder input array for transposition |
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162 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, xs ) |
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163 | !$OMP DO |
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164 | DO l = 0, pdims(1) - 1 |
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165 | m = l * ( nzt_x - nzb_x + 1 ) * nnx * ( nyn_x - nys_x + 1 ) |
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166 | xs = 0 + l * nnx |
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167 | DO k = nzb_x, nzt_x |
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168 | DO i = xs, xs + nnx - 1 |
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169 | DO j = nys_x, nyn_x |
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170 | m = m + 1 |
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171 | work(m) = f_in(i,j,k) |
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172 | ENDDO |
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173 | ENDDO |
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174 | ENDDO |
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175 | ENDDO |
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176 | !$OMP END PARALLEL |
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177 | |
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178 | ! |
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179 | !-- Transpose array |
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180 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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181 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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182 | CALL MPI_ALLTOALL( work(1), sendrecvcount_zx, MPI_REAL, & |
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183 | f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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184 | comm1dx, ierr ) |
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185 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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186 | |
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187 | ! |
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188 | !-- Reorder transposed array in a way that the z index is in first position |
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189 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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190 | !$OMP DO |
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191 | DO k = 1, nz |
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192 | DO i = nxl, nxr |
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193 | DO j = nys, nyn |
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194 | f_out(k,j,i) = f_inv(j,i,k) |
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195 | ENDDO |
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196 | ENDDO |
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197 | ENDDO |
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198 | !$OMP END PARALLEL |
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199 | ELSE |
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200 | ! |
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201 | !-- Reorder the array in a way that the z index is in first position |
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202 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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203 | !$OMP DO |
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204 | DO i = nxl, nxr |
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205 | DO j = nys, nyn |
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206 | DO k = 1, nz |
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207 | f_inv(j,i,k) = f_in(i,j,k) |
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208 | ENDDO |
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209 | ENDDO |
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210 | ENDDO |
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211 | !$OMP END PARALLEL |
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212 | |
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213 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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214 | !$OMP DO |
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215 | DO k = 1, nz |
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216 | DO i = nxl, nxr |
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217 | DO j = nys, nyn |
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218 | f_out(k,j,i) = f_inv(j,i,k) |
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219 | ENDDO |
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220 | ENDDO |
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221 | ENDDO |
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222 | !$OMP END PARALLEL |
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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 | #endif |
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228 | |
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229 | END SUBROUTINE transpose_xz |
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230 | |
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231 | |
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232 | SUBROUTINE transpose_yx( f_in, work, f_out ) |
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233 | |
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234 | !------------------------------------------------------------------------------! |
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235 | ! Description: |
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236 | ! ------------ |
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237 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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238 | ! elements along y reside on the same PE, while after transposition, all |
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239 | ! elements along x reside on the same PE. |
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240 | !------------------------------------------------------------------------------! |
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241 | |
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242 | USE cpulog |
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243 | USE indices |
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244 | USE interfaces |
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245 | USE pegrid |
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246 | USE transpose_indices |
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247 | |
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248 | IMPLICIT NONE |
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249 | |
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250 | INTEGER :: i, j, k, l, m, ys |
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251 | |
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252 | REAL :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), & |
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253 | f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx), & |
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254 | f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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255 | work(nnx*nny*nnz) |
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256 | |
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257 | #if defined( __parallel ) |
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258 | |
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259 | ! |
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260 | !-- Reorder input array for transposition |
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261 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, ys ) |
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262 | !$OMP DO |
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263 | DO l = 0, pdims(2) - 1 |
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264 | m = l * ( nxr_y - nxl_y + 1 ) * ( nzt_y - nzb_y + 1 ) * & |
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265 | ( nyn_x - nys_x + 1 ) |
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266 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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267 | DO i = nxl_y, nxr_y |
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268 | DO k = nzb_y, nzt_y |
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269 | DO j = ys, ys + nyn_x - nys_x |
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270 | m = m + 1 |
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271 | work(m) = f_in(j,i,k) |
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272 | ENDDO |
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273 | ENDDO |
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274 | ENDDO |
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275 | ENDDO |
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276 | !$OMP END PARALLEL |
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277 | |
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278 | ! |
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279 | !-- Transpose array |
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280 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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281 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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282 | CALL MPI_ALLTOALL( work(1), sendrecvcount_xy, MPI_REAL, & |
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283 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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284 | comm1dy, ierr ) |
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285 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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286 | |
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287 | ! |
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288 | !-- Reorder transposed array in a way that the x index is in first position |
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289 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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290 | !$OMP DO |
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291 | DO i = 0, nx |
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292 | DO k = nzb_x, nzt_x |
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293 | DO j = nys_x, nyn_x |
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294 | f_out(i,j,k) = f_inv(j,k,i) |
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295 | ENDDO |
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296 | ENDDO |
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297 | ENDDO |
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298 | !$OMP END PARALLEL |
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299 | |
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300 | #endif |
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301 | |
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302 | END SUBROUTINE transpose_yx |
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303 | |
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304 | |
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305 | SUBROUTINE transpose_yxd( f_in, work, f_out ) |
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306 | |
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307 | !------------------------------------------------------------------------------! |
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308 | ! Description: |
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309 | ! ------------ |
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310 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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311 | ! elements along y reside on the same PE, while after transposition, all |
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312 | ! elements along x reside on the same PE. |
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313 | ! This is a direct transposition for arrays with indices in regular order |
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314 | ! (k,j,i) (cf. transpose_yx). |
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315 | !------------------------------------------------------------------------------! |
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316 | |
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317 | USE cpulog |
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318 | USE indices |
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319 | USE interfaces |
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320 | USE pegrid |
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321 | USE transpose_indices |
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322 | |
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323 | IMPLICIT NONE |
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324 | |
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325 | INTEGER :: i, j, k, l, m, recvcount_yx, sendcount_yx, xs |
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326 | |
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327 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nxl:nxr,1:nz,nys:nyn), & |
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328 | f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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329 | work(nnx*nny*nnz) |
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330 | |
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331 | #if defined( __parallel ) |
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332 | |
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333 | ! |
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334 | !-- Rearrange indices of input array in order to make data to be send |
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335 | !-- by MPI contiguous |
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336 | DO k = 1, nz |
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337 | DO j = nys, nyn |
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338 | DO i = nxl, nxr |
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339 | f_inv(i,k,j) = f_in(k,j,i) |
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340 | ENDDO |
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341 | ENDDO |
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342 | ENDDO |
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343 | |
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344 | ! |
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345 | !-- Transpose array |
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346 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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347 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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348 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
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349 | work(1), sendrecvcount_xy, MPI_REAL, & |
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350 | comm1dx, ierr ) |
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351 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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352 | |
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353 | ! |
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354 | !-- Reorder transposed array |
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355 | m = 0 |
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356 | DO l = 0, pdims(1) - 1 |
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357 | xs = 0 + l * nnx |
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358 | DO j = nys_x, nyn_x |
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359 | DO k = 1, nz |
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360 | DO i = xs, xs + nnx - 1 |
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361 | m = m + 1 |
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362 | f_out(i,j,k) = work(m) |
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363 | ENDDO |
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364 | ENDDO |
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365 | ENDDO |
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366 | ENDDO |
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367 | |
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368 | #endif |
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369 | |
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370 | END SUBROUTINE transpose_yxd |
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371 | |
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372 | |
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373 | SUBROUTINE transpose_yz( f_in, work, f_out ) |
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374 | |
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375 | !------------------------------------------------------------------------------! |
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376 | ! Description: |
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377 | ! ------------ |
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378 | ! Transposition of input array (f_in) from y to z. For the input array, all |
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379 | ! elements along y reside on the same PE, while after transposition, all |
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380 | ! elements along z reside on the same PE. |
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381 | !------------------------------------------------------------------------------! |
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382 | |
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383 | USE cpulog |
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384 | USE indices |
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385 | USE interfaces |
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386 | USE pegrid |
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387 | USE transpose_indices |
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388 | |
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389 | IMPLICIT NONE |
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390 | |
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391 | INTEGER :: i, j, k, l, m, zs |
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392 | |
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393 | REAL :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), & |
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394 | f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny), & |
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395 | f_out(nxl_z:nxr_z,nys_z:nyn_z,1:nz), & |
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396 | work(nnx*nny*nnz) |
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397 | |
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398 | #if defined( __parallel ) |
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399 | |
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400 | ! |
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401 | !-- Rearrange indices of input array in order to make data to be send |
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402 | !-- by MPI contiguous |
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403 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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404 | !$OMP DO |
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405 | DO j = 0, ny |
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406 | DO k = nzb_y, nzt_y |
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407 | DO i = nxl_y, nxr_y |
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408 | f_inv(i,k,j) = f_in(j,i,k) |
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409 | ENDDO |
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410 | ENDDO |
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411 | ENDDO |
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412 | !$OMP END PARALLEL |
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413 | |
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414 | ! |
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415 | !-- Move data to different array, because memory location of work1 is |
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416 | !-- needed further below (work1 = work2). |
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417 | !-- If the PE grid is one-dimensional along y, only local reordering |
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418 | !-- of the data is necessary and no transposition has to be done. |
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419 | IF ( pdims(1) == 1 ) THEN |
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420 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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421 | !$OMP DO |
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422 | DO j = 0, ny |
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423 | DO k = nzb_y, nzt_y |
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424 | DO i = nxl_y, nxr_y |
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425 | f_out(i,j,k) = f_inv(i,k,j) |
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426 | ENDDO |
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427 | ENDDO |
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428 | ENDDO |
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429 | !$OMP END PARALLEL |
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430 | RETURN |
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431 | ENDIF |
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432 | |
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433 | ! |
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434 | !-- Transpose array |
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435 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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436 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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437 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
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438 | work(1), sendrecvcount_yz, MPI_REAL, & |
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439 | comm1dx, ierr ) |
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440 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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441 | |
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442 | ! |
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443 | !-- Reorder transposed array |
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444 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, zs ) |
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445 | !$OMP DO |
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446 | DO l = 0, pdims(1) - 1 |
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447 | m = l * ( nyn_z - nys_z + 1 ) * ( nzt_y - nzb_y + 1 ) * & |
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448 | ( nxr_z - nxl_z + 1 ) |
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449 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
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450 | DO j = nys_z, nyn_z |
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451 | DO k = zs, zs + nzt_y - nzb_y |
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452 | DO i = nxl_z, nxr_z |
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453 | m = m + 1 |
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454 | f_out(i,j,k) = work(m) |
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455 | ENDDO |
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456 | ENDDO |
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457 | ENDDO |
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458 | ENDDO |
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459 | !$OMP END PARALLEL |
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460 | |
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461 | #endif |
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462 | |
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463 | END SUBROUTINE transpose_yz |
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464 | |
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465 | |
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466 | SUBROUTINE transpose_zx( f_in, work, f_out ) |
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467 | |
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468 | !------------------------------------------------------------------------------! |
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469 | ! Description: |
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470 | ! ------------ |
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471 | ! Transposition of input array (f_in) from z to x. For the input array, all |
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472 | ! elements along z reside on the same PE, while after transposition, all |
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473 | ! elements along x reside on the same PE. |
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474 | !------------------------------------------------------------------------------! |
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475 | |
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476 | USE cpulog |
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477 | USE indices |
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478 | USE interfaces |
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479 | USE pegrid |
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480 | USE transpose_indices |
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481 | |
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482 | IMPLICIT NONE |
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483 | |
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484 | INTEGER :: i, j, k, l, m, xs |
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485 | |
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486 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nys:nyn,nxl:nxr,1:nz), & |
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487 | f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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488 | work(nnx*nny*nnz) |
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489 | |
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490 | #if defined( __parallel ) |
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491 | |
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492 | ! |
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493 | !-- Rearrange indices of input array in order to make data to be send |
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494 | !-- by MPI contiguous |
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495 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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496 | !$OMP DO |
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497 | DO k = 1,nz |
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498 | DO i = nxl, nxr |
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499 | DO j = nys, nyn |
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500 | f_inv(j,i,k) = f_in(k,j,i) |
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501 | ENDDO |
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502 | ENDDO |
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503 | ENDDO |
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504 | !$OMP END PARALLEL |
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505 | |
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506 | ! |
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507 | !-- Move data to different array, because memory location of work1 is |
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508 | !-- needed further below (work1 = work2). |
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509 | !-- If the PE grid is one-dimensional along y, only local reordering |
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510 | !-- of the data is necessary and no transposition has to be done. |
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511 | IF ( pdims(1) == 1 ) THEN |
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512 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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513 | !$OMP DO |
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514 | DO k = 1, nz |
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515 | DO i = nxl, nxr |
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516 | DO j = nys, nyn |
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517 | f_out(i,j,k) = f_inv(j,i,k) |
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518 | ENDDO |
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519 | ENDDO |
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520 | ENDDO |
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521 | !$OMP END PARALLEL |
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522 | RETURN |
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523 | ENDIF |
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524 | |
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525 | ! |
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526 | !-- Transpose array |
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527 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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528 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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529 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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530 | work(1), sendrecvcount_zx, MPI_REAL, & |
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531 | comm1dx, ierr ) |
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532 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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533 | |
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534 | ! |
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535 | !-- Reorder transposed array |
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536 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, xs ) |
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537 | !$OMP DO |
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538 | DO l = 0, pdims(1) - 1 |
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539 | m = l * ( nzt_x - nzb_x + 1 ) * nnx * ( nyn_x - nys_x + 1 ) |
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540 | xs = 0 + l * nnx |
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541 | DO k = nzb_x, nzt_x |
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542 | DO i = xs, xs + nnx - 1 |
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543 | DO j = nys_x, nyn_x |
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544 | m = m + 1 |
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545 | f_out(i,j,k) = work(m) |
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546 | ENDDO |
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547 | ENDDO |
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548 | ENDDO |
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549 | ENDDO |
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550 | !$OMP END PARALLEL |
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551 | |
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552 | #endif |
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553 | |
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554 | END SUBROUTINE transpose_zx |
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555 | |
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556 | |
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557 | SUBROUTINE transpose_zy( f_in, work, f_out ) |
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558 | |
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559 | !------------------------------------------------------------------------------! |
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560 | ! Description: |
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561 | ! ------------ |
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562 | ! Transposition of input array (f_in) from z to y. For the input array, all |
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563 | ! elements along z reside on the same PE, while after transposition, all |
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564 | ! elements along y reside on the same PE. |
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565 | !------------------------------------------------------------------------------! |
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566 | |
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567 | USE cpulog |
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568 | USE indices |
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569 | USE interfaces |
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570 | USE pegrid |
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571 | USE transpose_indices |
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572 | |
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573 | IMPLICIT NONE |
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574 | |
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575 | INTEGER :: i, j, k, l, m, zs |
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576 | |
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577 | REAL :: f_in(nxl_z:nxr_z,nys_z:nyn_z,1:nz), & |
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578 | f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny), & |
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579 | f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), & |
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580 | work(nnx*nny*nnz) |
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581 | |
---|
582 | #if defined( __parallel ) |
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583 | |
---|
584 | ! |
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585 | !-- If the PE grid is one-dimensional along y, the array has only to be |
---|
586 | !-- reordered locally and therefore no transposition has to be done. |
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587 | IF ( pdims(1) /= 1 ) THEN |
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588 | ! |
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589 | !-- Reorder input array for transposition |
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590 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, zs ) |
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591 | !$OMP DO |
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592 | DO l = 0, pdims(1) - 1 |
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593 | m = l * ( nyn_z - nys_z + 1 ) * ( nzt_y - nzb_y + 1 ) * & |
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594 | ( nxr_z - nxl_z + 1 ) |
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595 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
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596 | DO j = nys_z, nyn_z |
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597 | DO k = zs, zs + nzt_y - nzb_y |
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598 | DO i = nxl_z, nxr_z |
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599 | m = m + 1 |
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600 | work(m) = f_in(i,j,k) |
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601 | ENDDO |
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602 | ENDDO |
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603 | ENDDO |
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604 | ENDDO |
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605 | !$OMP END PARALLEL |
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606 | |
---|
607 | ! |
---|
608 | !-- Transpose array |
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609 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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610 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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611 | CALL MPI_ALLTOALL( work(1), sendrecvcount_yz, MPI_REAL, & |
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612 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
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613 | comm1dx, ierr ) |
---|
614 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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615 | |
---|
616 | ! |
---|
617 | !-- Reorder transposed array in a way that the y index is in first position |
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618 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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619 | !$OMP DO |
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620 | DO j = 0, ny |
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621 | DO k = nzb_y, nzt_y |
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622 | DO i = nxl_y, nxr_y |
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623 | f_out(j,i,k) = f_inv(i,k,j) |
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624 | ENDDO |
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625 | ENDDO |
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626 | ENDDO |
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627 | !$OMP END PARALLEL |
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628 | ELSE |
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629 | ! |
---|
630 | !-- Reorder the array in a way that the y index is in first position |
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631 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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632 | !$OMP DO |
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633 | DO k = nzb_y, nzt_y |
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634 | DO j = 0, ny |
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635 | DO i = nxl_y, nxr_y |
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636 | f_inv(i,k,j) = f_in(i,j,k) |
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637 | ENDDO |
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638 | ENDDO |
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639 | ENDDO |
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640 | !$OMP END PARALLEL |
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641 | ! |
---|
642 | !-- Move data to output array |
---|
643 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
644 | !$OMP DO |
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645 | DO k = nzb_y, nzt_y |
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646 | DO i = nxl_y, nxr_y |
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647 | DO j = 0, ny |
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648 | f_out(j,i,k) = f_inv(i,k,j) |
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649 | ENDDO |
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650 | ENDDO |
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651 | ENDDO |
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652 | !$OMP END PARALLEL |
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653 | |
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654 | ENDIF |
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655 | |
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656 | #endif |
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657 | |
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658 | END SUBROUTINE transpose_zy |
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659 | |
---|
660 | |
---|
661 | SUBROUTINE transpose_zyd( f_in, work, f_out ) |
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662 | |
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663 | !------------------------------------------------------------------------------! |
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664 | ! Description: |
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665 | ! ------------ |
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666 | ! Transposition of input array (f_in) from z to y. For the input array, all |
---|
667 | ! elements along z reside on the same PE, while after transposition, all |
---|
668 | ! elements along y reside on the same PE. |
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669 | ! This is a direct transposition for arrays with indices in regular order |
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670 | ! (k,j,i) (cf. transpose_zy). |
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671 | !------------------------------------------------------------------------------! |
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672 | |
---|
673 | USE cpulog |
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674 | USE indices |
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675 | USE interfaces |
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676 | USE pegrid |
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677 | USE transpose_indices |
---|
678 | |
---|
679 | IMPLICIT NONE |
---|
680 | |
---|
681 | INTEGER :: i, j, k, l, m, ys |
---|
682 | |
---|
683 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nys:nyn,nxl:nxr,1:nz), & |
---|
684 | f_out(0:ny,nxl_yd:nxr_yd,nzb_yd:nzt_yd), & |
---|
685 | work(nnx*nny*nnz) |
---|
686 | |
---|
687 | #if defined( __parallel ) |
---|
688 | |
---|
689 | ! |
---|
690 | !-- Rearrange indices of input array in order to make data to be send |
---|
691 | !-- by MPI contiguous |
---|
692 | DO i = nxl, nxr |
---|
693 | DO j = nys, nyn |
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694 | DO k = 1, nz |
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695 | f_inv(j,i,k) = f_in(k,j,i) |
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696 | ENDDO |
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697 | ENDDO |
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698 | ENDDO |
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699 | |
---|
700 | ! |
---|
701 | !-- Move data to different array, because memory location of work1 is |
---|
702 | !-- needed further below (work1 = work2). |
---|
703 | !-- If the PE grid is one-dimensional along x, only local reordering |
---|
704 | !-- of the data is necessary and no transposition has to be done. |
---|
705 | IF ( pdims(2) == 1 ) THEN |
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706 | DO k = 1, nz |
---|
707 | DO i = nxl, nxr |
---|
708 | DO j = nys, nyn |
---|
709 | f_out(j,i,k) = f_inv(j,i,k) |
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710 | ENDDO |
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711 | ENDDO |
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712 | ENDDO |
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713 | RETURN |
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714 | ENDIF |
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715 | |
---|
716 | ! |
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717 | !-- Transpose array |
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718 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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719 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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720 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
---|
721 | work(1), sendrecvcount_zyd, MPI_REAL, & |
---|
722 | comm1dy, ierr ) |
---|
723 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
724 | |
---|
725 | ! |
---|
726 | !-- Reorder transposed array |
---|
727 | m = 0 |
---|
728 | DO l = 0, pdims(2) - 1 |
---|
729 | ys = 0 + l * nny |
---|
730 | DO k = nzb_yd, nzt_yd |
---|
731 | DO i = nxl_yd, nxr_yd |
---|
732 | DO j = ys, ys + nny - 1 |
---|
733 | m = m + 1 |
---|
734 | f_out(j,i,k) = work(m) |
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735 | ENDDO |
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736 | ENDDO |
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737 | ENDDO |
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738 | ENDDO |
---|
739 | |
---|
740 | #endif |
---|
741 | |
---|
742 | END SUBROUTINE transpose_zyd |
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