1 | !> @file transpose.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 1997-2019 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: transpose.f90 4236 2019-09-25 11:26:18Z Giersch $ |
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27 | ! Added missing OpenMP directives |
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28 | ! |
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29 | ! 4182 2019-08-22 15:20:23Z scharf |
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30 | ! Corrected "Former revisions" section |
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31 | ! |
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32 | ! 4171 2019-08-19 17:44:09Z gronemeier |
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33 | ! loop reordering for performance optimization |
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34 | ! |
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35 | ! 3832 2019-03-28 13:16:58Z raasch |
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36 | ! loop reordering for performance optimization |
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37 | ! |
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38 | ! 3694 2019-01-23 17:01:49Z knoop |
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39 | ! OpenACC port for SPEC |
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40 | ! |
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41 | ! Revision 1.1 1997/07/24 11:25:18 raasch |
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42 | ! Initial revision |
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43 | ! |
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44 | ! |
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45 | ! Description: |
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46 | ! ------------ |
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47 | !> Resorting data for the transposition from x to y. The transposition itself |
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48 | !> is carried out in transpose_xy |
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49 | !------------------------------------------------------------------------------! |
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50 | |
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51 | #define __acc_fft_device ( defined( _OPENACC ) && ( defined ( __cuda_fft ) ) ) |
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52 | |
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53 | SUBROUTINE resort_for_xy( f_in, f_inv ) |
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54 | |
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55 | |
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56 | USE indices, & |
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57 | ONLY: nx |
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58 | |
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59 | USE kinds |
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60 | |
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61 | USE transpose_indices, & |
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62 | ONLY: nyn_x, nys_x, nzb_x, nzt_x |
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63 | |
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64 | IMPLICIT NONE |
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65 | |
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66 | REAL(wp) :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
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67 | REAL(wp) :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) !< |
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68 | |
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69 | |
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70 | INTEGER(iwp) :: i !< |
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71 | INTEGER(iwp) :: j !< |
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72 | INTEGER(iwp) :: k !< |
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73 | ! |
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74 | !-- Rearrange indices of input array in order to make data to be send |
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75 | !-- by MPI contiguous |
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76 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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77 | !$OMP DO |
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78 | #if __acc_fft_device |
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79 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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80 | !$ACC PRESENT(f_inv, f_in) |
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81 | #endif |
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82 | DO k = nzb_x, nzt_x |
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83 | DO j = nys_x, nyn_x |
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84 | DO i = 0, nx |
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85 | f_inv(j,k,i) = f_in(i,j,k) |
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86 | ENDDO |
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87 | ENDDO |
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88 | ENDDO |
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89 | !$OMP END PARALLEL |
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90 | |
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91 | END SUBROUTINE resort_for_xy |
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92 | |
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93 | |
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94 | !------------------------------------------------------------------------------! |
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95 | ! Description: |
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96 | ! ------------ |
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97 | !> Transposition of input array (f_in) from x to y. For the input array, all |
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98 | !> elements along x reside on the same PE, while after transposition, all |
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99 | !> elements along y reside on the same PE. |
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100 | !------------------------------------------------------------------------------! |
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101 | SUBROUTINE transpose_xy( f_inv, f_out ) |
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102 | |
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103 | |
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104 | USE cpulog, & |
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105 | ONLY: cpu_log, cpu_log_nowait, log_point_s |
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106 | |
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107 | USE indices, & |
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108 | ONLY: nx, ny |
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109 | |
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110 | USE kinds |
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111 | |
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112 | USE pegrid |
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113 | |
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114 | USE transpose_indices, & |
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115 | ONLY: nxl_y, nxr_y, nyn_x, nys_x, nzb_x, nzb_y, nzt_x, nzt_y |
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116 | |
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117 | IMPLICIT NONE |
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118 | |
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119 | INTEGER(iwp) :: i !< |
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120 | INTEGER(iwp) :: j !< |
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121 | INTEGER(iwp) :: k !< |
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122 | INTEGER(iwp) :: l !< |
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123 | INTEGER(iwp) :: ys !< |
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124 | |
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125 | REAL(wp) :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) !< |
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126 | REAL(wp) :: f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) !< |
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127 | |
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128 | REAL(wp), DIMENSION(nyn_x-nys_x+1,nzb_y:nzt_y,nxl_y:nxr_y,0:pdims(2)-1) :: work !< |
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129 | #if __acc_fft_device |
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130 | !$ACC DECLARE CREATE(work) |
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131 | #endif |
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132 | |
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133 | |
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134 | IF ( numprocs /= 1 ) THEN |
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135 | |
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136 | #if defined( __parallel ) |
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137 | ! |
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138 | !-- Transpose array |
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139 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
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140 | |
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141 | #if __acc_fft_device |
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142 | #ifndef __cuda_aware_mpi |
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143 | !$ACC UPDATE HOST(f_inv) |
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144 | #else |
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145 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
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146 | #endif |
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147 | #endif |
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148 | |
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149 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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150 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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151 | work(1,nzb_y,nxl_y,0), sendrecvcount_xy, MPI_REAL, & |
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152 | comm1dy, ierr ) |
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153 | |
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154 | #if __acc_fft_device |
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155 | #ifndef __cuda_aware_mpi |
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156 | !$ACC UPDATE DEVICE(work) |
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157 | #else |
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158 | !$ACC END HOST_DATA |
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159 | #endif |
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160 | #endif |
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161 | |
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162 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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163 | |
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164 | ! |
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165 | !-- Reorder transposed array |
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166 | !$OMP PARALLEL PRIVATE ( i, j, k, l, ys ) |
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167 | DO l = 0, pdims(2) - 1 |
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168 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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169 | #if __acc_fft_device |
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170 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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171 | !$ACC PRESENT(f_out, work) |
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172 | #endif |
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173 | !$OMP DO |
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174 | DO i = nxl_y, nxr_y |
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175 | DO k = nzb_y, nzt_y |
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176 | DO j = ys, ys + nyn_x - nys_x |
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177 | f_out(j,i,k) = work(j-ys+1,k,i,l) |
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178 | ENDDO |
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179 | ENDDO |
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180 | ENDDO |
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181 | !$OMP END DO NOWAIT |
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182 | ENDDO |
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183 | !$OMP END PARALLEL |
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184 | #endif |
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185 | |
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186 | ELSE |
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187 | |
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188 | ! |
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189 | !-- Reorder transposed array |
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190 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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191 | !$OMP DO |
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192 | #if __acc_fft_device |
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193 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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194 | !$ACC PRESENT(f_out, f_inv) |
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195 | #endif |
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196 | DO k = nzb_y, nzt_y |
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197 | DO i = nxl_y, nxr_y |
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198 | DO j = 0, ny |
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199 | f_out(j,i,k) = f_inv(j,k,i) |
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200 | ENDDO |
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201 | ENDDO |
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202 | ENDDO |
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203 | !$OMP END PARALLEL |
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204 | |
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205 | ENDIF |
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206 | |
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207 | END SUBROUTINE transpose_xy |
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208 | |
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209 | |
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210 | !------------------------------------------------------------------------------! |
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211 | ! Description: |
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212 | ! ------------ |
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213 | !> Resorting data after the transposition from x to z. The transposition itself |
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214 | !> is carried out in transpose_xz |
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215 | !------------------------------------------------------------------------------! |
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216 | SUBROUTINE resort_for_xz( f_inv, f_out ) |
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217 | |
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218 | |
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219 | USE indices, & |
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220 | ONLY: nxl, nxr, nyn, nys, nz |
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221 | |
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222 | USE kinds |
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223 | |
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224 | IMPLICIT NONE |
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225 | |
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226 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
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227 | REAL(wp) :: f_out(1:nz,nys:nyn,nxl:nxr) !< |
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228 | |
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229 | INTEGER(iwp) :: i !< |
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230 | INTEGER(iwp) :: j !< |
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231 | INTEGER(iwp) :: k !< |
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232 | ! |
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233 | !-- Rearrange indices of input array in order to make data to be send |
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234 | !-- by MPI contiguous. |
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235 | !-- In case of parallel fft/transposition, scattered store is faster in |
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236 | !-- backward direction!!! |
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237 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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238 | !$OMP DO |
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239 | #if __acc_fft_device |
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240 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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241 | !$ACC PRESENT(f_out, f_inv) |
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242 | #endif |
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243 | DO i = nxl, nxr |
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244 | DO j = nys, nyn |
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245 | DO k = 1, nz |
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246 | f_out(k,j,i) = f_inv(j,i,k) |
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247 | ENDDO |
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248 | ENDDO |
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249 | ENDDO |
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250 | !$OMP END PARALLEL |
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251 | |
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252 | END SUBROUTINE resort_for_xz |
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253 | |
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254 | |
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255 | !------------------------------------------------------------------------------! |
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256 | ! Description: |
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257 | ! ------------ |
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258 | !> Transposition of input array (f_in) from x to z. For the input array, all |
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259 | !> elements along x reside on the same PE, while after transposition, all |
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260 | !> elements along z reside on the same PE. |
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261 | !------------------------------------------------------------------------------! |
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262 | SUBROUTINE transpose_xz( f_in, f_inv ) |
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263 | |
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264 | |
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265 | USE cpulog, & |
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266 | ONLY: cpu_log, cpu_log_nowait, log_point_s |
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267 | |
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268 | USE indices, & |
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269 | ONLY: nnx, nx, nxl, nxr, nyn, nys, nz |
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270 | |
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271 | USE kinds |
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272 | |
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273 | USE pegrid |
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274 | |
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275 | USE transpose_indices, & |
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276 | ONLY: nyn_x, nys_x, nzb_x, nzt_x |
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277 | |
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278 | IMPLICIT NONE |
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279 | |
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280 | INTEGER(iwp) :: i !< |
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281 | INTEGER(iwp) :: j !< |
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282 | INTEGER(iwp) :: k !< |
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283 | INTEGER(iwp) :: l !< |
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284 | INTEGER(iwp) :: xs !< |
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285 | |
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286 | REAL(wp) :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
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287 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
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288 | |
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289 | REAL(wp), DIMENSION(nys_x:nyn_x,nnx,nzb_x:nzt_x,0:pdims(1)-1) :: work !< |
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290 | #if __acc_fft_device |
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291 | !$ACC DECLARE CREATE(work) |
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292 | #endif |
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293 | |
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294 | |
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295 | ! |
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296 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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297 | !-- reordered locally and therefore no transposition has to be done. |
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298 | IF ( pdims(1) /= 1 ) THEN |
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299 | |
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300 | #if defined( __parallel ) |
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301 | ! |
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302 | !-- Reorder input array for transposition |
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303 | !$OMP PARALLEL PRIVATE ( i, j, k, l, xs ) |
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304 | DO l = 0, pdims(1) - 1 |
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305 | xs = 0 + l * nnx |
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306 | #if __acc_fft_device |
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307 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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308 | !$ACC PRESENT(work, f_in) |
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309 | #endif |
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310 | !$OMP DO |
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311 | DO k = nzb_x, nzt_x |
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312 | DO i = xs, xs + nnx - 1 |
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313 | DO j = nys_x, nyn_x |
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314 | work(j,i-xs+1,k,l) = f_in(i,j,k) |
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315 | ENDDO |
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316 | ENDDO |
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317 | ENDDO |
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318 | !$OMP END DO NOWAIT |
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319 | ENDDO |
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320 | !$OMP END PARALLEL |
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321 | |
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322 | ! |
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323 | !-- Transpose array |
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324 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
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325 | |
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326 | #if __acc_fft_device |
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327 | #ifndef __cuda_aware_mpi |
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328 | !$ACC UPDATE HOST(work) |
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329 | #else |
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330 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
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331 | #endif |
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332 | #endif |
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333 | |
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334 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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335 | CALL MPI_ALLTOALL( work(nys_x,1,nzb_x,0), sendrecvcount_zx, MPI_REAL, & |
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336 | f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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337 | comm1dx, ierr ) |
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338 | |
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339 | #if __acc_fft_device |
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340 | #ifndef __cuda_aware_mpi |
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341 | !$ACC UPDATE DEVICE(f_inv) |
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342 | #else |
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343 | !$ACC END HOST_DATA |
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344 | #endif |
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345 | #endif |
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346 | |
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347 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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348 | #endif |
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349 | |
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350 | ELSE |
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351 | |
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352 | ! |
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353 | !-- Reorder the array in a way that the z index is in first position |
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354 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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355 | !$OMP DO |
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356 | #if __acc_fft_device |
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357 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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358 | !$ACC PRESENT(f_inv, f_in) |
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359 | #endif |
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360 | DO i = nxl, nxr |
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361 | DO j = nys, nyn |
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362 | DO k = 1, nz |
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363 | f_inv(j,i,k) = f_in(i,j,k) |
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364 | ENDDO |
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365 | ENDDO |
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366 | ENDDO |
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367 | !$OMP END PARALLEL |
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368 | |
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369 | ENDIF |
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370 | |
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371 | END SUBROUTINE transpose_xz |
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372 | |
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373 | |
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374 | !------------------------------------------------------------------------------! |
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375 | ! Description: |
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376 | ! ------------ |
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377 | !> Resorting data after the transposition from y to x. The transposition itself |
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378 | !> is carried out in transpose_yx |
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379 | !------------------------------------------------------------------------------! |
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380 | SUBROUTINE resort_for_yx( f_inv, f_out ) |
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381 | |
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382 | |
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383 | USE indices, & |
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384 | ONLY: nx |
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385 | |
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386 | USE kinds |
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387 | |
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388 | USE transpose_indices, & |
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389 | ONLY: nyn_x, nys_x, nzb_x, nzt_x |
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390 | |
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391 | IMPLICIT NONE |
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392 | |
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393 | REAL(wp) :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) !< |
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394 | REAL(wp) :: f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
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395 | |
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396 | |
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397 | INTEGER(iwp) :: i !< |
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398 | INTEGER(iwp) :: j !< |
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399 | INTEGER(iwp) :: k !< |
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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 | #if __acc_fft_device |
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406 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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407 | !$ACC PRESENT(f_out, f_inv) |
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408 | #endif |
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409 | DO k = nzb_x, nzt_x |
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410 | DO j = nys_x, nyn_x |
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411 | DO i = 0, nx |
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412 | f_out(i,j,k) = f_inv(j,k,i) |
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413 | ENDDO |
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414 | ENDDO |
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415 | ENDDO |
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416 | !$OMP END PARALLEL |
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417 | |
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418 | END SUBROUTINE resort_for_yx |
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419 | |
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420 | |
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421 | !------------------------------------------------------------------------------! |
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422 | ! Description: |
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423 | ! ------------ |
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424 | !> Transposition of input array (f_in) from y to x. For the input array, all |
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425 | !> elements along y reside on the same PE, while after transposition, all |
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426 | !> elements along x reside on the same PE. |
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427 | !------------------------------------------------------------------------------! |
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428 | SUBROUTINE transpose_yx( f_in, f_inv ) |
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429 | |
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430 | |
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431 | USE cpulog, & |
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432 | ONLY: cpu_log, cpu_log_nowait, log_point_s |
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433 | |
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434 | USE indices, & |
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435 | ONLY: nx, ny |
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436 | |
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437 | USE kinds |
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438 | |
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439 | USE pegrid |
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440 | |
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441 | USE transpose_indices, & |
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442 | ONLY: nxl_y, nxr_y, nyn_x, nys_x, nzb_x, nzb_y, nzt_x, nzt_y |
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443 | |
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444 | IMPLICIT NONE |
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445 | |
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446 | INTEGER(iwp) :: i !< |
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447 | INTEGER(iwp) :: j !< |
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448 | INTEGER(iwp) :: k !< |
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449 | INTEGER(iwp) :: l !< |
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450 | INTEGER(iwp) :: ys !< |
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451 | |
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452 | REAL(wp) :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) !< |
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453 | REAL(wp) :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) !< |
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454 | |
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455 | REAL(wp), DIMENSION(nyn_x-nys_x+1,nzb_y:nzt_y,nxl_y:nxr_y,0:pdims(2)-1) :: work !< |
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456 | #if __acc_fft_device |
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457 | !$ACC DECLARE CREATE(work) |
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458 | #endif |
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459 | |
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460 | |
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461 | IF ( numprocs /= 1 ) THEN |
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462 | |
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463 | #if defined( __parallel ) |
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464 | ! |
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465 | !-- Reorder input array for transposition |
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466 | !$OMP PARALLEL PRIVATE ( i, j, k, l, ys ) |
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467 | DO l = 0, pdims(2) - 1 |
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468 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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469 | #if __acc_fft_device |
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470 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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471 | !$ACC PRESENT(work, f_in) |
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472 | #endif |
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473 | !$OMP DO |
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474 | DO i = nxl_y, nxr_y |
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475 | DO k = nzb_y, nzt_y |
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476 | DO j = ys, ys + nyn_x - nys_x |
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477 | work(j-ys+1,k,i,l) = f_in(j,i,k) |
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478 | ENDDO |
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479 | ENDDO |
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480 | ENDDO |
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481 | !$OMP END DO NOWAIT |
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482 | ENDDO |
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483 | !$OMP END PARALLEL |
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484 | |
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485 | ! |
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486 | !-- Transpose array |
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487 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
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488 | |
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489 | #if __acc_fft_device |
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490 | #ifndef __cuda_aware_mpi |
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491 | !$ACC UPDATE HOST(work) |
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492 | #else |
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493 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
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494 | #endif |
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495 | #endif |
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496 | |
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497 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
498 | CALL MPI_ALLTOALL( work(1,nzb_y,nxl_y,0), sendrecvcount_xy, MPI_REAL, & |
---|
499 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
---|
500 | comm1dy, ierr ) |
---|
501 | |
---|
502 | #if __acc_fft_device |
---|
503 | #ifndef __cuda_aware_mpi |
---|
504 | !$ACC UPDATE DEVICE(f_inv) |
---|
505 | #else |
---|
506 | !$ACC END HOST_DATA |
---|
507 | #endif |
---|
508 | #endif |
---|
509 | |
---|
510 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
511 | #endif |
---|
512 | |
---|
513 | ELSE |
---|
514 | |
---|
515 | ! |
---|
516 | !-- Reorder array f_in the same way as ALLTOALL did it |
---|
517 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
518 | !$OMP DO |
---|
519 | #if __acc_fft_device |
---|
520 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
521 | !$ACC PRESENT(f_inv, f_in) |
---|
522 | #endif |
---|
523 | DO i = nxl_y, nxr_y |
---|
524 | DO k = nzb_y, nzt_y |
---|
525 | DO j = 0, ny |
---|
526 | f_inv(j,k,i) = f_in(j,i,k) |
---|
527 | ENDDO |
---|
528 | ENDDO |
---|
529 | ENDDO |
---|
530 | !$OMP END PARALLEL |
---|
531 | |
---|
532 | ENDIF |
---|
533 | |
---|
534 | END SUBROUTINE transpose_yx |
---|
535 | |
---|
536 | |
---|
537 | !------------------------------------------------------------------------------! |
---|
538 | ! Description: |
---|
539 | ! ------------ |
---|
540 | !> Transposition of input array (f_in) from y to x. For the input array, all |
---|
541 | !> elements along y reside on the same PE, while after transposition, all |
---|
542 | !> elements along x reside on the same PE. |
---|
543 | !> This is a direct transposition for arrays with indices in regular order |
---|
544 | !> (k,j,i) (cf. transpose_yx). |
---|
545 | !------------------------------------------------------------------------------! |
---|
546 | SUBROUTINE transpose_yxd( f_in, f_out ) |
---|
547 | |
---|
548 | |
---|
549 | USE cpulog, & |
---|
550 | ONLY: cpu_log, log_point_s |
---|
551 | |
---|
552 | USE indices, & |
---|
553 | ONLY: nnx, nny, nnz, nx, nxl, nxr, nyn, nys, nz |
---|
554 | |
---|
555 | USE kinds |
---|
556 | |
---|
557 | USE pegrid |
---|
558 | |
---|
559 | USE transpose_indices, & |
---|
560 | ONLY: nyn_x, nys_x, nzb_x, nzt_x |
---|
561 | |
---|
562 | IMPLICIT NONE |
---|
563 | |
---|
564 | INTEGER(iwp) :: i !< |
---|
565 | INTEGER(iwp) :: j !< |
---|
566 | INTEGER(iwp) :: k !< |
---|
567 | INTEGER(iwp) :: l !< |
---|
568 | INTEGER(iwp) :: m !< |
---|
569 | INTEGER(iwp) :: xs !< |
---|
570 | |
---|
571 | REAL(wp) :: f_in(1:nz,nys:nyn,nxl:nxr) !< |
---|
572 | REAL(wp) :: f_inv(nxl:nxr,1:nz,nys:nyn) !< |
---|
573 | REAL(wp) :: f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
---|
574 | REAL(wp) :: work(nnx*nny*nnz) !< |
---|
575 | #if defined( __parallel ) |
---|
576 | |
---|
577 | ! |
---|
578 | !-- Rearrange indices of input array in order to make data to be send |
---|
579 | !-- by MPI contiguous |
---|
580 | DO k = 1, nz |
---|
581 | DO j = nys, nyn |
---|
582 | DO i = nxl, nxr |
---|
583 | f_inv(i,k,j) = f_in(k,j,i) |
---|
584 | ENDDO |
---|
585 | ENDDO |
---|
586 | ENDDO |
---|
587 | |
---|
588 | ! |
---|
589 | !-- Transpose array |
---|
590 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
591 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
592 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
---|
593 | work(1), sendrecvcount_xy, MPI_REAL, & |
---|
594 | comm1dx, ierr ) |
---|
595 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
596 | |
---|
597 | ! |
---|
598 | !-- Reorder transposed array |
---|
599 | m = 0 |
---|
600 | DO l = 0, pdims(1) - 1 |
---|
601 | xs = 0 + l * nnx |
---|
602 | DO j = nys_x, nyn_x |
---|
603 | DO k = 1, nz |
---|
604 | DO i = xs, xs + nnx - 1 |
---|
605 | m = m + 1 |
---|
606 | f_out(i,j,k) = work(m) |
---|
607 | ENDDO |
---|
608 | ENDDO |
---|
609 | ENDDO |
---|
610 | ENDDO |
---|
611 | |
---|
612 | #endif |
---|
613 | |
---|
614 | END SUBROUTINE transpose_yxd |
---|
615 | |
---|
616 | |
---|
617 | !------------------------------------------------------------------------------! |
---|
618 | ! Description: |
---|
619 | ! ------------ |
---|
620 | !> Resorting data for the transposition from y to z. The transposition itself |
---|
621 | !> is carried out in transpose_yz |
---|
622 | !------------------------------------------------------------------------------! |
---|
623 | SUBROUTINE resort_for_yz( f_in, f_inv ) |
---|
624 | |
---|
625 | |
---|
626 | USE indices, & |
---|
627 | ONLY: ny |
---|
628 | |
---|
629 | USE kinds |
---|
630 | |
---|
631 | USE transpose_indices, & |
---|
632 | ONLY: nxl_y, nxr_y, nzb_y, nzt_y |
---|
633 | |
---|
634 | IMPLICIT NONE |
---|
635 | |
---|
636 | REAL(wp) :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) !< |
---|
637 | REAL(wp) :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) !< |
---|
638 | |
---|
639 | INTEGER(iwp) :: i !< |
---|
640 | INTEGER(iwp) :: j !< |
---|
641 | INTEGER(iwp) :: k !< |
---|
642 | |
---|
643 | ! |
---|
644 | !-- Rearrange indices of input array in order to make data to be send |
---|
645 | !-- by MPI contiguous |
---|
646 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
647 | !$OMP DO |
---|
648 | #if __acc_fft_device |
---|
649 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
650 | !$ACC PRESENT(f_inv, f_in) |
---|
651 | #endif |
---|
652 | DO k = nzb_y, nzt_y |
---|
653 | DO i = nxl_y, nxr_y |
---|
654 | DO j = 0, ny |
---|
655 | f_inv(i,k,j) = f_in(j,i,k) |
---|
656 | ENDDO |
---|
657 | ENDDO |
---|
658 | ENDDO |
---|
659 | !$OMP END PARALLEL |
---|
660 | |
---|
661 | END SUBROUTINE resort_for_yz |
---|
662 | |
---|
663 | |
---|
664 | !------------------------------------------------------------------------------! |
---|
665 | ! Description: |
---|
666 | ! ------------ |
---|
667 | !> Transposition of input array (f_in) from y to z. For the input array, all |
---|
668 | !> elements along y reside on the same PE, while after transposition, all |
---|
669 | !> elements along z reside on the same PE. |
---|
670 | !------------------------------------------------------------------------------! |
---|
671 | SUBROUTINE transpose_yz( f_inv, f_out ) |
---|
672 | |
---|
673 | |
---|
674 | USE cpulog, & |
---|
675 | ONLY: cpu_log, cpu_log_nowait, log_point_s |
---|
676 | |
---|
677 | USE indices, & |
---|
678 | ONLY: ny, nz |
---|
679 | |
---|
680 | USE kinds |
---|
681 | |
---|
682 | USE pegrid |
---|
683 | |
---|
684 | USE transpose_indices, & |
---|
685 | ONLY: nxl_y, nxl_z, nxr_y, nxr_z, nyn_z, nys_z, nzb_y, nzt_y |
---|
686 | |
---|
687 | IMPLICIT NONE |
---|
688 | |
---|
689 | INTEGER(iwp) :: i !< |
---|
690 | INTEGER(iwp) :: j !< |
---|
691 | INTEGER(iwp) :: k !< |
---|
692 | INTEGER(iwp) :: l !< |
---|
693 | INTEGER(iwp) :: zs !< |
---|
694 | |
---|
695 | REAL(wp) :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) !< |
---|
696 | REAL(wp) :: f_out(nxl_z:nxr_z,nys_z:nyn_z,1:nz) !< |
---|
697 | |
---|
698 | REAL(wp), DIMENSION(nxl_z:nxr_z,nzt_y-nzb_y+1,nys_z:nyn_z,0:pdims(1)-1) :: work !< |
---|
699 | #if __acc_fft_device |
---|
700 | !$ACC DECLARE CREATE(work) |
---|
701 | #endif |
---|
702 | |
---|
703 | |
---|
704 | ! |
---|
705 | !-- If the PE grid is one-dimensional along y, only local reordering |
---|
706 | !-- of the data is necessary and no transposition has to be done. |
---|
707 | IF ( pdims(1) == 1 ) THEN |
---|
708 | |
---|
709 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
710 | !$OMP DO |
---|
711 | #if __acc_fft_device |
---|
712 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
713 | !$ACC PRESENT(f_out, f_inv) |
---|
714 | #endif |
---|
715 | DO j = 0, ny |
---|
716 | DO k = nzb_y, nzt_y |
---|
717 | DO i = nxl_y, nxr_y |
---|
718 | f_out(i,j,k) = f_inv(i,k,j) |
---|
719 | ENDDO |
---|
720 | ENDDO |
---|
721 | ENDDO |
---|
722 | !$OMP END PARALLEL |
---|
723 | |
---|
724 | ELSE |
---|
725 | |
---|
726 | #if defined( __parallel ) |
---|
727 | ! |
---|
728 | !-- Transpose array |
---|
729 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
---|
730 | |
---|
731 | #if __acc_fft_device |
---|
732 | #ifndef __cuda_aware_mpi |
---|
733 | !$ACC UPDATE HOST(f_inv) |
---|
734 | #else |
---|
735 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
---|
736 | #endif |
---|
737 | #endif |
---|
738 | |
---|
739 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
740 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
---|
741 | work(nxl_z,1,nys_z,0), sendrecvcount_yz, MPI_REAL, & |
---|
742 | comm1dx, ierr ) |
---|
743 | |
---|
744 | #if __acc_fft_device |
---|
745 | #ifndef __cuda_aware_mpi |
---|
746 | !$ACC UPDATE DEVICE(work) |
---|
747 | #else |
---|
748 | !$ACC END HOST_DATA |
---|
749 | #endif |
---|
750 | #endif |
---|
751 | |
---|
752 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
753 | |
---|
754 | ! |
---|
755 | !-- Reorder transposed array |
---|
756 | !$OMP PARALLEL PRIVATE ( i, j, k, l, zs ) |
---|
757 | DO l = 0, pdims(1) - 1 |
---|
758 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
---|
759 | #if __acc_fft_device |
---|
760 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
761 | !$ACC PRESENT(f_out, work) |
---|
762 | #endif |
---|
763 | !$OMP DO |
---|
764 | DO j = nys_z, nyn_z |
---|
765 | DO k = zs, zs + nzt_y - nzb_y |
---|
766 | DO i = nxl_z, nxr_z |
---|
767 | f_out(i,j,k) = work(i,k-zs+1,j,l) |
---|
768 | ENDDO |
---|
769 | ENDDO |
---|
770 | ENDDO |
---|
771 | !$OMP END DO NOWAIT |
---|
772 | ENDDO |
---|
773 | !$OMP END PARALLEL |
---|
774 | #endif |
---|
775 | |
---|
776 | ENDIF |
---|
777 | |
---|
778 | END SUBROUTINE transpose_yz |
---|
779 | |
---|
780 | |
---|
781 | !------------------------------------------------------------------------------! |
---|
782 | ! Description: |
---|
783 | ! ------------ |
---|
784 | !> Resorting data for the transposition from z to x. The transposition itself |
---|
785 | !> is carried out in transpose_zx |
---|
786 | !------------------------------------------------------------------------------! |
---|
787 | SUBROUTINE resort_for_zx( f_in, f_inv ) |
---|
788 | |
---|
789 | |
---|
790 | USE indices, & |
---|
791 | ONLY: nxl, nxr, nyn, nys, nz |
---|
792 | |
---|
793 | USE kinds |
---|
794 | |
---|
795 | IMPLICIT NONE |
---|
796 | |
---|
797 | REAL(wp) :: f_in(1:nz,nys:nyn,nxl:nxr) !< |
---|
798 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
---|
799 | |
---|
800 | INTEGER(iwp) :: i !< |
---|
801 | INTEGER(iwp) :: j !< |
---|
802 | INTEGER(iwp) :: k !< |
---|
803 | |
---|
804 | ! |
---|
805 | !-- Rearrange indices of input array in order to make data to be send |
---|
806 | !-- by MPI contiguous |
---|
807 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
808 | !$OMP DO |
---|
809 | #if __acc_fft_device |
---|
810 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
811 | !$ACC PRESENT(f_in, f_inv) |
---|
812 | #endif |
---|
813 | DO i = nxl, nxr |
---|
814 | DO j = nys, nyn |
---|
815 | DO k = 1,nz |
---|
816 | f_inv(j,i,k) = f_in(k,j,i) |
---|
817 | ENDDO |
---|
818 | ENDDO |
---|
819 | ENDDO |
---|
820 | !$OMP END PARALLEL |
---|
821 | |
---|
822 | END SUBROUTINE resort_for_zx |
---|
823 | |
---|
824 | |
---|
825 | !------------------------------------------------------------------------------! |
---|
826 | ! Description: |
---|
827 | ! ------------ |
---|
828 | !> Transposition of input array (f_in) from z to x. For the input array, all |
---|
829 | !> elements along z reside on the same PE, while after transposition, all |
---|
830 | !> elements along x reside on the same PE. |
---|
831 | !------------------------------------------------------------------------------! |
---|
832 | SUBROUTINE transpose_zx( f_inv, f_out ) |
---|
833 | |
---|
834 | |
---|
835 | USE cpulog, & |
---|
836 | ONLY: cpu_log, cpu_log_nowait, log_point_s |
---|
837 | |
---|
838 | USE indices, & |
---|
839 | ONLY: nnx, nx, nxl, nxr, nyn, nys, nz |
---|
840 | |
---|
841 | USE kinds |
---|
842 | |
---|
843 | USE pegrid |
---|
844 | |
---|
845 | USE transpose_indices, & |
---|
846 | ONLY: nyn_x, nys_x, nzb_x, nzt_x |
---|
847 | |
---|
848 | IMPLICIT NONE |
---|
849 | |
---|
850 | INTEGER(iwp) :: i !< |
---|
851 | INTEGER(iwp) :: j !< |
---|
852 | INTEGER(iwp) :: k !< |
---|
853 | INTEGER(iwp) :: l !< |
---|
854 | INTEGER(iwp) :: xs !< |
---|
855 | |
---|
856 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
---|
857 | REAL(wp) :: f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
---|
858 | |
---|
859 | REAL(wp), DIMENSION(nys_x:nyn_x,nnx,nzb_x:nzt_x,0:pdims(1)-1) :: work !< |
---|
860 | #if __acc_fft_device |
---|
861 | !$ACC DECLARE CREATE(work) |
---|
862 | #endif |
---|
863 | |
---|
864 | |
---|
865 | ! |
---|
866 | !-- If the PE grid is one-dimensional along y, only local reordering |
---|
867 | !-- of the data is necessary and no transposition has to be done. |
---|
868 | IF ( pdims(1) == 1 ) THEN |
---|
869 | |
---|
870 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
871 | !$OMP DO |
---|
872 | #if __acc_fft_device |
---|
873 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
874 | !$ACC PRESENT(f_out, f_inv) |
---|
875 | #endif |
---|
876 | DO k = 1, nz |
---|
877 | DO i = nxl, nxr |
---|
878 | DO j = nys, nyn |
---|
879 | f_out(i,j,k) = f_inv(j,i,k) |
---|
880 | ENDDO |
---|
881 | ENDDO |
---|
882 | ENDDO |
---|
883 | !$OMP END PARALLEL |
---|
884 | |
---|
885 | ELSE |
---|
886 | |
---|
887 | #if defined( __parallel ) |
---|
888 | ! |
---|
889 | !-- Transpose array |
---|
890 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
---|
891 | |
---|
892 | #if __acc_fft_device |
---|
893 | #ifndef __cuda_aware_mpi |
---|
894 | !$ACC UPDATE HOST(f_inv) |
---|
895 | #else |
---|
896 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
---|
897 | #endif |
---|
898 | #endif |
---|
899 | |
---|
900 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
901 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
---|
902 | work(nys_x,1,nzb_x,0), sendrecvcount_zx, MPI_REAL, & |
---|
903 | comm1dx, ierr ) |
---|
904 | |
---|
905 | #if __acc_fft_device |
---|
906 | #ifndef __cuda_aware_mpi |
---|
907 | !$ACC UPDATE DEVICE(work) |
---|
908 | #else |
---|
909 | !$ACC END HOST_DATA |
---|
910 | #endif |
---|
911 | #endif |
---|
912 | |
---|
913 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
914 | |
---|
915 | ! |
---|
916 | !-- Reorder transposed array |
---|
917 | !$OMP PARALLEL PRIVATE ( i, j, k, l, xs ) |
---|
918 | DO l = 0, pdims(1) - 1 |
---|
919 | xs = 0 + l * nnx |
---|
920 | #if __acc_fft_device |
---|
921 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
922 | !$ACC PRESENT(f_out, work) |
---|
923 | #endif |
---|
924 | !$OMP DO |
---|
925 | DO k = nzb_x, nzt_x |
---|
926 | DO i = xs, xs + nnx - 1 |
---|
927 | DO j = nys_x, nyn_x |
---|
928 | f_out(i,j,k) = work(j,i-xs+1,k,l) |
---|
929 | ENDDO |
---|
930 | ENDDO |
---|
931 | ENDDO |
---|
932 | !$OMP END DO NOWAIT |
---|
933 | ENDDO |
---|
934 | !$OMP END PARALLEL |
---|
935 | #endif |
---|
936 | |
---|
937 | ENDIF |
---|
938 | |
---|
939 | END SUBROUTINE transpose_zx |
---|
940 | |
---|
941 | |
---|
942 | !------------------------------------------------------------------------------! |
---|
943 | ! Description: |
---|
944 | ! ------------ |
---|
945 | !> Resorting data after the transposition from z to y. The transposition itself |
---|
946 | !> is carried out in transpose_zy |
---|
947 | !------------------------------------------------------------------------------! |
---|
948 | SUBROUTINE resort_for_zy( f_inv, f_out ) |
---|
949 | |
---|
950 | |
---|
951 | USE indices, & |
---|
952 | ONLY: ny |
---|
953 | |
---|
954 | USE kinds |
---|
955 | |
---|
956 | USE transpose_indices, & |
---|
957 | ONLY: nxl_y, nxr_y, nzb_y, nzt_y |
---|
958 | |
---|
959 | IMPLICIT NONE |
---|
960 | |
---|
961 | REAL(wp) :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) !< |
---|
962 | REAL(wp) :: f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) !< |
---|
963 | |
---|
964 | |
---|
965 | INTEGER(iwp) :: i !< |
---|
966 | INTEGER(iwp) :: j !< |
---|
967 | INTEGER(iwp) :: k !< |
---|
968 | |
---|
969 | ! |
---|
970 | !-- Rearrange indices of input array in order to make data to be send |
---|
971 | !-- by MPI contiguous |
---|
972 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
973 | !$OMP DO |
---|
974 | #if __acc_fft_device |
---|
975 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
976 | !$ACC PRESENT(f_out, f_inv) |
---|
977 | #endif |
---|
978 | DO k = nzb_y, nzt_y |
---|
979 | DO i = nxl_y, nxr_y |
---|
980 | DO j = 0, ny |
---|
981 | f_out(j,i,k) = f_inv(i,k,j) |
---|
982 | ENDDO |
---|
983 | ENDDO |
---|
984 | ENDDO |
---|
985 | !$OMP END PARALLEL |
---|
986 | |
---|
987 | END SUBROUTINE resort_for_zy |
---|
988 | |
---|
989 | |
---|
990 | !------------------------------------------------------------------------------! |
---|
991 | ! Description:cpu_log_nowait |
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992 | ! ------------ |
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993 | !> Transposition of input array (f_in) from z to y. For the input array, all |
---|
994 | !> elements along z reside on the same PE, while after transposition, all |
---|
995 | !> elements along y reside on the same PE. |
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996 | !------------------------------------------------------------------------------! |
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997 | SUBROUTINE transpose_zy( f_in, f_inv ) |
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998 | |
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999 | |
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1000 | USE cpulog, & |
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1001 | ONLY: cpu_log, cpu_log_nowait, log_point_s |
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1002 | |
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1003 | USE indices, & |
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1004 | ONLY: ny, nz |
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1005 | |
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1006 | USE kinds |
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1007 | |
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1008 | USE pegrid |
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1009 | |
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1010 | USE transpose_indices, & |
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1011 | ONLY: nxl_y, nxl_z, nxr_y, nxr_z, nyn_z, nys_z, nzb_y, nzt_y |
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1012 | |
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1013 | IMPLICIT NONE |
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1014 | |
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1015 | INTEGER(iwp) :: i !< |
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1016 | INTEGER(iwp) :: j !< |
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1017 | INTEGER(iwp) :: k !< |
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1018 | INTEGER(iwp) :: l !< |
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1019 | INTEGER(iwp) :: zs !< |
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1020 | |
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1021 | REAL(wp) :: f_in(nxl_z:nxr_z,nys_z:nyn_z,1:nz) !< |
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1022 | REAL(wp) :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) !< |
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1023 | |
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1024 | REAL(wp), DIMENSION(nxl_z:nxr_z,nzt_y-nzb_y+1,nys_z:nyn_z,0:pdims(1)-1) :: work !< |
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1025 | #if __acc_fft_device |
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1026 | !$ACC DECLARE CREATE(work) |
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1027 | #endif |
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1028 | |
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1029 | ! |
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1030 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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1031 | !-- reordered locally and therefore no transposition has to be done. |
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1032 | IF ( pdims(1) /= 1 ) THEN |
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1033 | |
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1034 | #if defined( __parallel ) |
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1035 | ! |
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1036 | !-- Reorder input array for transposition |
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1037 | !$OMP PARALLEL PRIVATE ( i, j, k, l, zs ) |
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1038 | DO l = 0, pdims(1) - 1 |
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1039 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
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1040 | #if __acc_fft_device |
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1041 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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1042 | !$ACC PRESENT(work, f_in) |
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1043 | #endif |
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1044 | !$OMP DO |
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1045 | DO j = nys_z, nyn_z |
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1046 | DO k = zs, zs + nzt_y - nzb_y |
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1047 | DO i = nxl_z, nxr_z |
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1048 | work(i,k-zs+1,j,l) = f_in(i,j,k) |
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1049 | ENDDO |
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1050 | ENDDO |
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1051 | ENDDO |
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1052 | !$OMP END DO NOWAIT |
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1053 | ENDDO |
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1054 | !$OMP END PARALLEL |
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1055 | |
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1056 | ! |
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1057 | !-- Transpose array |
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1058 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
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1059 | |
---|
1060 | #if __acc_fft_device |
---|
1061 | #ifndef __cuda_aware_mpi |
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1062 | !$ACC UPDATE HOST(work) |
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1063 | #else |
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1064 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
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1065 | #endif |
---|
1066 | #endif |
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1067 | |
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1068 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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1069 | CALL MPI_ALLTOALL( work(nxl_z,1,nys_z,0), sendrecvcount_yz, MPI_REAL, & |
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1070 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
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1071 | comm1dx, ierr ) |
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1072 | |
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1073 | #if __acc_fft_device |
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1074 | #ifndef __cuda_aware_mpi |
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1075 | !$ACC UPDATE DEVICE(f_inv) |
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1076 | #else |
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1077 | !$ACC END HOST_DATA |
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1078 | #endif |
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1079 | #endif |
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1080 | |
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1081 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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1082 | #endif |
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1083 | |
---|
1084 | ELSE |
---|
1085 | ! |
---|
1086 | !-- Reorder the array in the same way like ALLTOALL did it |
---|
1087 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
1088 | !$OMP DO |
---|
1089 | #if __acc_fft_device |
---|
1090 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
1091 | !$ACC PRESENT(f_inv, f_in) |
---|
1092 | #endif |
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1093 | DO k = nzb_y, nzt_y |
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1094 | DO j = 0, ny |
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1095 | DO i = nxl_y, nxr_y |
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1096 | f_inv(i,k,j) = f_in(i,j,k) |
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1097 | ENDDO |
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1098 | ENDDO |
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1099 | ENDDO |
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1100 | !$OMP END PARALLEL |
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1101 | |
---|
1102 | ENDIF |
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1103 | |
---|
1104 | END SUBROUTINE transpose_zy |
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1105 | |
---|
1106 | |
---|
1107 | !------------------------------------------------------------------------------! |
---|
1108 | ! Description: |
---|
1109 | ! ------------ |
---|
1110 | !> Transposition of input array (f_in) from z to y. For the input array, all |
---|
1111 | !> elements along z reside on the same PE, while after transposition, all |
---|
1112 | !> elements along y reside on the same PE. |
---|
1113 | !> This is a direct transposition for arrays with indices in regular order |
---|
1114 | !> (k,j,i) (cf. transpose_zy). |
---|
1115 | !------------------------------------------------------------------------------! |
---|
1116 | SUBROUTINE transpose_zyd( f_in, f_out ) |
---|
1117 | |
---|
1118 | |
---|
1119 | USE cpulog, & |
---|
1120 | ONLY: cpu_log, log_point_s |
---|
1121 | |
---|
1122 | USE indices, & |
---|
1123 | ONLY: nnx, nny, nnz, nxl, nxr, nyn, nys, ny, nz |
---|
1124 | |
---|
1125 | USE kinds |
---|
1126 | |
---|
1127 | USE pegrid |
---|
1128 | |
---|
1129 | USE transpose_indices, & |
---|
1130 | ONLY: nxl_yd, nxr_yd, nzb_yd, nzt_yd |
---|
1131 | |
---|
1132 | IMPLICIT NONE |
---|
1133 | |
---|
1134 | INTEGER(iwp) :: i !< |
---|
1135 | INTEGER(iwp) :: j !< |
---|
1136 | INTEGER(iwp) :: k !< |
---|
1137 | INTEGER(iwp) :: l !< |
---|
1138 | INTEGER(iwp) :: m !< |
---|
1139 | INTEGER(iwp) :: ys !< |
---|
1140 | |
---|
1141 | REAL(wp) :: f_in(1:nz,nys:nyn,nxl:nxr) !< |
---|
1142 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
---|
1143 | REAL(wp) :: f_out(0:ny,nxl_yd:nxr_yd,nzb_yd:nzt_yd) !< |
---|
1144 | REAL(wp) :: work(nnx*nny*nnz) !< |
---|
1145 | |
---|
1146 | #if defined( __parallel ) |
---|
1147 | |
---|
1148 | ! |
---|
1149 | !-- Rearrange indices of input array in order to make data to be send |
---|
1150 | !-- by MPI contiguous |
---|
1151 | DO i = nxl, nxr |
---|
1152 | DO j = nys, nyn |
---|
1153 | DO k = 1, nz |
---|
1154 | f_inv(j,i,k) = f_in(k,j,i) |
---|
1155 | ENDDO |
---|
1156 | ENDDO |
---|
1157 | ENDDO |
---|
1158 | |
---|
1159 | ! |
---|
1160 | !-- Move data to different array, because memory location of work1 is |
---|
1161 | !-- needed further below (work1 = work2). |
---|
1162 | !-- If the PE grid is one-dimensional along x, only local reordering |
---|
1163 | !-- of the data is necessary and no transposition has to be done. |
---|
1164 | IF ( pdims(2) == 1 ) THEN |
---|
1165 | DO k = 1, nz |
---|
1166 | DO i = nxl, nxr |
---|
1167 | DO j = nys, nyn |
---|
1168 | f_out(j,i,k) = f_inv(j,i,k) |
---|
1169 | ENDDO |
---|
1170 | ENDDO |
---|
1171 | ENDDO |
---|
1172 | RETURN |
---|
1173 | ENDIF |
---|
1174 | |
---|
1175 | ! |
---|
1176 | !-- Transpose array |
---|
1177 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
1178 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
1179 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
---|
1180 | work(1), sendrecvcount_zyd, MPI_REAL, & |
---|
1181 | comm1dy, ierr ) |
---|
1182 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
1183 | |
---|
1184 | ! |
---|
1185 | !-- Reorder transposed array |
---|
1186 | m = 0 |
---|
1187 | DO l = 0, pdims(2) - 1 |
---|
1188 | ys = 0 + l * nny |
---|
1189 | DO k = nzb_yd, nzt_yd |
---|
1190 | DO i = nxl_yd, nxr_yd |
---|
1191 | DO j = ys, ys + nny - 1 |
---|
1192 | m = m + 1 |
---|
1193 | f_out(j,i,k) = work(m) |
---|
1194 | ENDDO |
---|
1195 | ENDDO |
---|
1196 | ENDDO |
---|
1197 | ENDDO |
---|
1198 | |
---|
1199 | #endif |
---|
1200 | |
---|
1201 | END SUBROUTINE transpose_zyd |
---|