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 terms of the GNU General |
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6 | ! Public License as published by the Free Software Foundation, either version 3 of the License, or |
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7 | ! (at your option) any later version. |
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8 | ! |
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9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the |
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10 | ! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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11 | ! Public License for more details. |
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12 | ! |
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13 | ! You should have received a copy of the GNU General Public License along with PALM. If not, see |
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14 | ! <http://www.gnu.org/licenses/>. |
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15 | ! |
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16 | ! Copyright 1997-2020 Leibniz Universitaet Hannover |
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17 | !--------------------------------------------------------------------------------------------------! |
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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 4540 2020-05-18 15:23:29Z raasch $ |
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27 | ! File re-formatted to follow the PALM coding standard |
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28 | ! |
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29 | ! |
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30 | ! 4429 2020-02-27 15:24:30Z raasch |
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31 | ! Bugfix: cpp-directives added for serial mode |
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32 | ! |
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33 | ! 4415 2020-02-20 10:30:33Z raasch |
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34 | ! Bugfix for misplaced preprocessor directive |
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35 | ! |
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36 | ! 4370 2020-01-10 14:00:44Z raasch |
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37 | ! Vector array renamed |
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38 | ! |
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39 | ! 4366 2020-01-09 08:12:43Z raasch |
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40 | ! Modifications for NEC vectorization |
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41 | ! |
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42 | ! 4360 2020-01-07 11:25:50Z suehring |
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43 | ! Added missing OpenMP directives |
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44 | ! |
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45 | ! 4182 2019-08-22 15:20:23Z scharf |
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46 | ! Corrected "Former revisions" section |
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47 | ! |
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48 | ! 4171 2019-08-19 17:44:09Z gronemeier |
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49 | ! Loop reordering for performance optimization |
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50 | ! |
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51 | ! 3832 2019-03-28 13:16:58Z raasch |
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52 | ! Loop reordering for performance optimization |
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53 | ! |
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54 | ! 3694 2019-01-23 17:01:49Z knoop |
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55 | ! OpenACC port for SPEC |
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56 | ! |
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57 | ! Revision 1.1 1997/07/24 11:25:18 raasch |
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58 | ! Initial revision |
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59 | ! |
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60 | ! |
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61 | ! Description: |
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62 | ! ------------ |
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63 | !> Resorting data for the transposition from x to y. The transposition itself is carried out in |
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64 | !> transpose_xy. |
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65 | !--------------------------------------------------------------------------------------------------! |
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66 | |
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67 | #define __acc_fft_device ( defined( _OPENACC ) && ( defined ( __cuda_fft ) ) ) |
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68 | |
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69 | SUBROUTINE resort_for_xy( f_in, f_inv ) |
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70 | |
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71 | |
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72 | USE indices, & |
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73 | ONLY: nx |
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74 | |
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75 | USE kinds |
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76 | |
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77 | USE transpose_indices, & |
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78 | ONLY: nyn_x, & |
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79 | nys_x, & |
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80 | nzb_x, & |
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81 | nzt_x |
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82 | |
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83 | IMPLICIT NONE |
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84 | |
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85 | INTEGER(iwp) :: i !< |
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86 | INTEGER(iwp) :: j !< |
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87 | INTEGER(iwp) :: k !< |
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88 | |
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89 | REAL(wp) :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
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90 | REAL(wp) :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) !< |
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91 | |
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92 | ! |
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93 | !-- Rearrange indices of input array in order to make data to be send by MPI contiguous |
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94 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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95 | !$OMP DO |
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96 | #if __acc_fft_device |
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97 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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98 | !$ACC PRESENT(f_inv, f_in) |
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99 | #endif |
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100 | DO k = nzb_x, nzt_x |
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101 | DO j = nys_x, nyn_x |
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102 | DO i = 0, nx |
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103 | f_inv(j,k,i) = f_in(i,j,k) |
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104 | ENDDO |
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105 | ENDDO |
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106 | ENDDO |
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107 | !$OMP END PARALLEL |
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108 | |
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109 | END SUBROUTINE resort_for_xy |
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110 | |
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111 | |
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112 | !--------------------------------------------------------------------------------------------------! |
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113 | ! Description: |
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114 | ! ------------ |
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115 | !> Transposition of input array (f_in) from x to y. For the input array, all elements along x reside |
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116 | !> on the same PE, while after transposition, all elements along y reside on the same PE. |
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117 | !--------------------------------------------------------------------------------------------------! |
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118 | SUBROUTINE transpose_xy( f_inv, f_out ) |
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119 | |
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120 | |
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121 | #if defined( __parallel ) |
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122 | USE cpulog, & |
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123 | ONLY: cpu_log, & |
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124 | cpu_log_nowait, & |
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125 | log_point_s |
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126 | #endif |
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127 | |
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128 | USE indices, & |
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129 | ONLY: nx, & |
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130 | ny |
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131 | |
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132 | USE kinds |
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133 | |
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134 | USE pegrid |
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135 | |
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136 | USE transpose_indices, & |
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137 | ONLY: nxl_y, & |
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138 | nxr_y, & |
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139 | nyn_x, & |
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140 | nys_x, & |
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141 | nzb_x, & |
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142 | nzb_y, & |
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143 | nzt_x, & |
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144 | nzt_y |
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145 | |
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146 | IMPLICIT NONE |
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147 | |
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148 | INTEGER(iwp) :: i !< |
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149 | INTEGER(iwp) :: j !< |
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150 | INTEGER(iwp) :: k !< |
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151 | |
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152 | #if defined( __parallel ) |
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153 | INTEGER(iwp) :: l !< |
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154 | INTEGER(iwp) :: ys !< |
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155 | #endif |
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156 | |
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157 | REAL(wp) :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) !< |
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158 | REAL(wp) :: f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) !< |
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159 | |
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160 | #if defined( __parallel ) |
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161 | 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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162 | #if __acc_fft_device |
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163 | !$ACC DECLARE CREATE(work) |
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164 | #endif |
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165 | #endif |
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166 | |
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167 | |
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168 | IF ( numprocs /= 1 ) THEN |
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169 | |
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170 | #if defined( __parallel ) |
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171 | ! |
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172 | !-- Transpose array |
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173 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
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174 | |
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175 | #if __acc_fft_device |
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176 | #ifndef __cuda_aware_mpi |
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177 | !$ACC UPDATE HOST(f_inv) |
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178 | #else |
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179 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
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180 | #endif |
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181 | #endif |
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182 | |
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183 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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184 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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185 | work(1,nzb_y,nxl_y,0), sendrecvcount_xy, MPI_REAL, comm1dy, ierr ) |
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186 | |
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187 | #if __acc_fft_device |
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188 | #ifndef __cuda_aware_mpi |
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189 | !$ACC UPDATE DEVICE(work) |
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190 | #else |
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191 | !$ACC END HOST_DATA |
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192 | #endif |
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193 | #endif |
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194 | |
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195 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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196 | |
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197 | ! |
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198 | !-- Reorder transposed array |
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199 | !$OMP PARALLEL PRIVATE ( i, j, k, l, ys ) |
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200 | DO l = 0, pdims(2) - 1 |
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201 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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202 | #if __acc_fft_device |
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203 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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204 | !$ACC PRESENT(f_out, work) |
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205 | #endif |
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206 | !$OMP DO |
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207 | DO i = nxl_y, nxr_y |
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208 | DO k = nzb_y, nzt_y |
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209 | DO j = ys, ys + nyn_x - nys_x |
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210 | f_out(j,i,k) = work(j-ys+1,k,i,l) |
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211 | ENDDO |
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212 | ENDDO |
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213 | ENDDO |
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214 | !$OMP END DO NOWAIT |
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215 | ENDDO |
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216 | !$OMP END PARALLEL |
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217 | #endif |
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218 | |
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219 | ELSE |
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220 | |
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221 | ! |
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222 | !-- Reorder transposed array |
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223 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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224 | !$OMP DO |
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225 | #if __acc_fft_device |
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226 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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227 | !$ACC PRESENT(f_out, f_inv) |
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228 | #endif |
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229 | DO k = nzb_y, nzt_y |
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230 | DO i = nxl_y, nxr_y |
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231 | DO j = 0, ny |
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232 | f_out(j,i,k) = f_inv(j,k,i) |
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233 | ENDDO |
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234 | ENDDO |
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235 | ENDDO |
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236 | !$OMP END PARALLEL |
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237 | |
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238 | ENDIF |
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239 | |
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240 | END SUBROUTINE transpose_xy |
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241 | |
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242 | |
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243 | !--------------------------------------------------------------------------------------------------! |
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244 | ! Description: |
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245 | ! ------------ |
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246 | !> Resorting data after the transposition from x to z. The transposition itself is carried out in |
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247 | !> transpose_xz. |
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248 | !--------------------------------------------------------------------------------------------------! |
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249 | SUBROUTINE resort_for_xz( f_inv, f_out ) |
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250 | |
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251 | |
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252 | USE indices, & |
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253 | ONLY: nxl, & |
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254 | nxr, & |
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255 | nyn, & |
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256 | nys, & |
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257 | nz |
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258 | |
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259 | USE kinds |
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260 | |
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261 | IMPLICIT NONE |
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262 | |
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263 | INTEGER(iwp) :: i !< |
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264 | INTEGER(iwp) :: j !< |
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265 | INTEGER(iwp) :: k !< |
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266 | |
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267 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
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268 | REAL(wp) :: f_out(1:nz,nys:nyn,nxl:nxr) !< |
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269 | |
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270 | ! |
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271 | !-- Rearrange indices of input array in order to make data to be send by MPI contiguous. |
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272 | !-- In case of parallel fft/transposition, scattered store is faster in backward direction!!! |
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273 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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274 | !$OMP DO |
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275 | #if __acc_fft_device |
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276 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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277 | !$ACC PRESENT(f_out, f_inv) |
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278 | #endif |
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279 | DO i = nxl, nxr |
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280 | DO j = nys, nyn |
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281 | DO k = 1, nz |
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282 | f_out(k,j,i) = f_inv(j,i,k) |
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283 | ENDDO |
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284 | ENDDO |
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285 | ENDDO |
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286 | !$OMP END PARALLEL |
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287 | |
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288 | END SUBROUTINE resort_for_xz |
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289 | |
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290 | |
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291 | !--------------------------------------------------------------------------------------------------! |
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292 | ! Description: |
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293 | ! ------------ |
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294 | !> Transposition of input array (f_in) from x to z. For the input array, all elements along x reside |
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295 | !> on the same PE, while after transposition, all elements along z reside on the same PE. |
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296 | !--------------------------------------------------------------------------------------------------! |
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297 | SUBROUTINE transpose_xz( f_in, f_inv ) |
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298 | |
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299 | #if defined( __parallel ) |
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300 | USE cpulog, & |
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301 | ONLY: cpu_log, & |
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302 | cpu_log_nowait, & |
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303 | log_point_s |
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304 | |
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305 | USE fft_xy, & |
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306 | ONLY: f_vec_x, & |
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307 | temperton_fft_vec |
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308 | #endif |
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309 | |
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310 | USE indices, & |
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311 | ONLY: nx, & |
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312 | nxl, & |
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313 | nxr, & |
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314 | nyn, & |
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315 | nys, & |
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316 | nz |
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317 | |
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318 | #if defined( __parallel ) |
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319 | USE indices, & |
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320 | ONLY: nnx |
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321 | #endif |
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322 | |
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323 | USE kinds |
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324 | |
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325 | USE pegrid |
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326 | |
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327 | USE transpose_indices, & |
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328 | ONLY: nyn_x, & |
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329 | nys_x, & |
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330 | nzb_x, & |
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331 | nzt_x |
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332 | |
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333 | IMPLICIT NONE |
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334 | |
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335 | INTEGER(iwp) :: i !< |
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336 | INTEGER(iwp) :: j !< |
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337 | INTEGER(iwp) :: k !< |
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338 | |
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339 | #if defined( __parallel ) |
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340 | INTEGER(iwp) :: l !< |
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341 | INTEGER(iwp) :: mm !< |
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342 | INTEGER(iwp) :: xs !< |
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343 | #endif |
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344 | |
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345 | REAL(wp) :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
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346 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
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347 | |
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348 | #if defined( __parallel ) |
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349 | REAL(wp), DIMENSION(nys_x:nyn_x,nnx,nzb_x:nzt_x,0:pdims(1)-1) :: work !< |
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350 | #if __acc_fft_device |
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351 | !$ACC DECLARE CREATE(work) |
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352 | #endif |
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353 | #endif |
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354 | |
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355 | ! |
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356 | !-- If the PE grid is one-dimensional along y, the array has only to be reordered locally and |
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357 | !-- therefore no transposition has to be done. |
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358 | IF ( pdims(1) /= 1 ) THEN |
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359 | |
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360 | #if defined( __parallel ) |
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361 | ! |
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362 | !-- Reorder input array for transposition. Data from the vectorized Temperton-fft is stored in |
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363 | !-- different array format (f_vec_x). |
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364 | IF ( temperton_fft_vec ) THEN |
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365 | |
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366 | DO l = 0, pdims(1) - 1 |
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367 | xs = 0 + l * nnx |
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368 | DO k = nzb_x, nzt_x |
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369 | DO i = xs, xs + nnx - 1 |
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370 | DO j = nys_x, nyn_x |
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371 | mm = j-nys_x+1+(k-nzb_x)*(nyn_x-nys_x+1) |
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372 | work(j,i-xs+1,k,l) = f_vec_x(mm,i) |
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373 | ENDDO |
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374 | ENDDO |
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375 | ENDDO |
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376 | ENDDO |
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377 | |
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378 | ELSE |
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379 | |
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380 | !$OMP PARALLEL PRIVATE ( i, j, k, l, xs ) |
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381 | DO l = 0, pdims(1) - 1 |
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382 | xs = 0 + l * nnx |
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383 | #if __acc_fft_device |
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384 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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385 | !$ACC PRESENT(work, f_in) |
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386 | #endif |
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387 | !$OMP DO |
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388 | DO k = nzb_x, nzt_x |
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389 | DO i = xs, xs + nnx - 1 |
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390 | DO j = nys_x, nyn_x |
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391 | work(j,i-xs+1,k,l) = f_in(i,j,k) |
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392 | ENDDO |
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393 | ENDDO |
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394 | ENDDO |
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395 | !$OMP END DO NOWAIT |
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396 | ENDDO |
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397 | !$OMP END PARALLEL |
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398 | |
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399 | ENDIF |
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400 | |
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401 | ! |
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402 | !-- Transpose array |
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403 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
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404 | |
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405 | #if __acc_fft_device |
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406 | #ifndef __cuda_aware_mpi |
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407 | !$ACC UPDATE HOST(work) |
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408 | #else |
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409 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
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410 | #endif |
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411 | #endif |
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412 | |
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413 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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414 | CALL MPI_ALLTOALL( work(nys_x,1,nzb_x,0), sendrecvcount_zx, MPI_REAL, & |
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415 | f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, comm1dx, ierr ) |
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416 | |
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417 | #if __acc_fft_device |
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418 | #ifndef __cuda_aware_mpi |
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419 | !$ACC UPDATE DEVICE(f_inv) |
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420 | #else |
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421 | !$ACC END HOST_DATA |
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422 | #endif |
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423 | #endif |
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424 | |
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425 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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426 | #endif |
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427 | |
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428 | ELSE |
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429 | |
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430 | ! |
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431 | !-- Reorder the array in a way that the z index is in first position |
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432 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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433 | !$OMP DO |
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434 | #if __acc_fft_device |
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435 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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436 | !$ACC PRESENT(f_inv, f_in) |
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437 | #endif |
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438 | DO i = nxl, nxr |
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439 | DO j = nys, nyn |
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440 | DO k = 1, nz |
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441 | f_inv(j,i,k) = f_in(i,j,k) |
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442 | ENDDO |
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443 | ENDDO |
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444 | ENDDO |
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445 | !$OMP END PARALLEL |
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446 | |
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447 | ENDIF |
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448 | |
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449 | END SUBROUTINE transpose_xz |
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450 | |
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451 | |
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452 | !--------------------------------------------------------------------------------------------------! |
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453 | ! Description: |
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454 | ! ------------ |
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455 | !> Resorting data after the transposition from y to x. The transposition itself is carried out in |
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456 | !> transpose_yx. |
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457 | !--------------------------------------------------------------------------------------------------! |
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458 | SUBROUTINE resort_for_yx( f_inv, f_out ) |
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459 | |
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460 | |
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461 | USE indices, & |
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462 | ONLY: nx |
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463 | |
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464 | USE kinds |
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465 | |
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466 | USE transpose_indices, & |
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467 | ONLY: nyn_x, & |
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468 | nys_x, & |
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469 | nzb_x, & |
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470 | nzt_x |
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471 | |
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472 | IMPLICIT NONE |
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473 | |
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474 | INTEGER(iwp) :: i !< |
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475 | INTEGER(iwp) :: j !< |
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476 | INTEGER(iwp) :: k !< |
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477 | |
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478 | REAL(wp) :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) !< |
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479 | REAL(wp) :: f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
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480 | |
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481 | ! |
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482 | !-- Rearrange indices of input array in order to make data to be send by MPI contiguous. |
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483 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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484 | !$OMP DO |
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485 | #if __acc_fft_device |
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486 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
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487 | !$ACC PRESENT(f_out, f_inv) |
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488 | #endif |
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489 | DO k = nzb_x, nzt_x |
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490 | DO j = nys_x, nyn_x |
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491 | DO i = 0, nx |
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492 | f_out(i,j,k) = f_inv(j,k,i) |
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493 | ENDDO |
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494 | ENDDO |
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495 | ENDDO |
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496 | !$OMP END PARALLEL |
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497 | |
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498 | END SUBROUTINE resort_for_yx |
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499 | |
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500 | |
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501 | !--------------------------------------------------------------------------------------------------! |
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502 | ! Description: |
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503 | ! ------------ |
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504 | !> Transposition of input array (f_in) from y to x. For the input array, all elements along y |
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505 | !> reside on the same PE, while after transposition, all elements along x reside on the same PE. |
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506 | !--------------------------------------------------------------------------------------------------! |
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507 | SUBROUTINE transpose_yx( f_in, f_inv ) |
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508 | |
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509 | |
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510 | #if defined( __parallel ) |
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511 | USE cpulog, & |
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512 | ONLY: cpu_log, & |
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513 | cpu_log_nowait, & |
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514 | log_point_s |
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515 | #endif |
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516 | |
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517 | USE indices, & |
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518 | ONLY: nx, & |
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519 | ny |
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520 | |
---|
521 | USE kinds |
---|
522 | |
---|
523 | USE pegrid |
---|
524 | |
---|
525 | USE transpose_indices, & |
---|
526 | ONLY: nxl_y, & |
---|
527 | nxr_y, & |
---|
528 | nyn_x, & |
---|
529 | nys_x, & |
---|
530 | nzb_x, & |
---|
531 | nzb_y, & |
---|
532 | nzt_x, & |
---|
533 | nzt_y |
---|
534 | |
---|
535 | IMPLICIT NONE |
---|
536 | |
---|
537 | INTEGER(iwp) :: i !< |
---|
538 | INTEGER(iwp) :: j !< |
---|
539 | INTEGER(iwp) :: k !< |
---|
540 | |
---|
541 | #if defined( __parallel ) |
---|
542 | INTEGER(iwp) :: l !< |
---|
543 | INTEGER(iwp) :: ys !< |
---|
544 | #endif |
---|
545 | |
---|
546 | REAL(wp) :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) !< |
---|
547 | REAL(wp) :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) !< |
---|
548 | |
---|
549 | #if defined( __parallel ) |
---|
550 | REAL(wp), DIMENSION(nyn_x-nys_x+1,nzb_y:nzt_y,nxl_y:nxr_y,0:pdims(2)-1) :: work !< |
---|
551 | #if __acc_fft_device |
---|
552 | !$ACC DECLARE CREATE(work) |
---|
553 | #endif |
---|
554 | #endif |
---|
555 | |
---|
556 | |
---|
557 | IF ( numprocs /= 1 ) THEN |
---|
558 | |
---|
559 | #if defined( __parallel ) |
---|
560 | ! |
---|
561 | !-- Reorder input array for transposition |
---|
562 | !$OMP PARALLEL PRIVATE ( i, j, k, l, ys ) |
---|
563 | DO l = 0, pdims(2) - 1 |
---|
564 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
---|
565 | #if __acc_fft_device |
---|
566 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
567 | !$ACC PRESENT(work, f_in) |
---|
568 | #endif |
---|
569 | !$OMP DO |
---|
570 | DO i = nxl_y, nxr_y |
---|
571 | DO k = nzb_y, nzt_y |
---|
572 | DO j = ys, ys + nyn_x - nys_x |
---|
573 | work(j-ys+1,k,i,l) = f_in(j,i,k) |
---|
574 | ENDDO |
---|
575 | ENDDO |
---|
576 | ENDDO |
---|
577 | !$OMP END DO NOWAIT |
---|
578 | ENDDO |
---|
579 | !$OMP END PARALLEL |
---|
580 | |
---|
581 | ! |
---|
582 | !-- Transpose array |
---|
583 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
---|
584 | |
---|
585 | #if __acc_fft_device |
---|
586 | #ifndef __cuda_aware_mpi |
---|
587 | !$ACC UPDATE HOST(work) |
---|
588 | #else |
---|
589 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
---|
590 | #endif |
---|
591 | #endif |
---|
592 | |
---|
593 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
594 | CALL MPI_ALLTOALL( work(1,nzb_y,nxl_y,0), sendrecvcount_xy, MPI_REAL, & |
---|
595 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, comm1dy, ierr ) |
---|
596 | |
---|
597 | #if __acc_fft_device |
---|
598 | #ifndef __cuda_aware_mpi |
---|
599 | !$ACC UPDATE DEVICE(f_inv) |
---|
600 | #else |
---|
601 | !$ACC END HOST_DATA |
---|
602 | #endif |
---|
603 | #endif |
---|
604 | |
---|
605 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
606 | #endif |
---|
607 | |
---|
608 | ELSE |
---|
609 | |
---|
610 | ! |
---|
611 | !-- Reorder array f_in the same way as ALLTOALL did it. |
---|
612 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
613 | !$OMP DO |
---|
614 | #if __acc_fft_device |
---|
615 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
616 | !$ACC PRESENT(f_inv, f_in) |
---|
617 | #endif |
---|
618 | DO i = nxl_y, nxr_y |
---|
619 | DO k = nzb_y, nzt_y |
---|
620 | DO j = 0, ny |
---|
621 | f_inv(j,k,i) = f_in(j,i,k) |
---|
622 | ENDDO |
---|
623 | ENDDO |
---|
624 | ENDDO |
---|
625 | !$OMP END PARALLEL |
---|
626 | |
---|
627 | ENDIF |
---|
628 | |
---|
629 | END SUBROUTINE transpose_yx |
---|
630 | |
---|
631 | |
---|
632 | !--------------------------------------------------------------------------------------------------! |
---|
633 | ! Description: |
---|
634 | ! ------------ |
---|
635 | !> Transposition of input array (f_in) from y to x. For the input array, all elements along y reside |
---|
636 | !> on the same PE, while after transposition, all elements along x reside on the same PE. This is a |
---|
637 | !> direct transposition for arrays with indices in regular order (k,j,i) (cf. transpose_yx). |
---|
638 | !--------------------------------------------------------------------------------------------------! |
---|
639 | #if defined( __parallel ) |
---|
640 | SUBROUTINE transpose_yxd( f_in, f_out ) |
---|
641 | |
---|
642 | |
---|
643 | USE cpulog, & |
---|
644 | ONLY: cpu_log, & |
---|
645 | log_point_s |
---|
646 | |
---|
647 | USE indices, & |
---|
648 | ONLY: nnx, & |
---|
649 | nny, & |
---|
650 | nnz, & |
---|
651 | nx, & |
---|
652 | nxl, & |
---|
653 | nxr, & |
---|
654 | nyn, & |
---|
655 | nys, & |
---|
656 | nz |
---|
657 | |
---|
658 | USE kinds |
---|
659 | |
---|
660 | USE pegrid |
---|
661 | |
---|
662 | USE transpose_indices, & |
---|
663 | ONLY: nyn_x, & |
---|
664 | nys_x, & |
---|
665 | nzb_x, & |
---|
666 | nzt_x |
---|
667 | |
---|
668 | IMPLICIT NONE |
---|
669 | |
---|
670 | INTEGER(iwp) :: i !< |
---|
671 | INTEGER(iwp) :: j !< |
---|
672 | INTEGER(iwp) :: k !< |
---|
673 | INTEGER(iwp) :: l !< |
---|
674 | INTEGER(iwp) :: m !< |
---|
675 | INTEGER(iwp) :: xs !< |
---|
676 | |
---|
677 | REAL(wp) :: f_in(1:nz,nys:nyn,nxl:nxr) !< |
---|
678 | REAL(wp) :: f_inv(nxl:nxr,1:nz,nys:nyn) !< |
---|
679 | REAL(wp) :: f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
---|
680 | REAL(wp) :: work(nnx*nny*nnz) !< |
---|
681 | |
---|
682 | ! |
---|
683 | !-- Rearrange indices of input array in order to make data to be send by MPI contiguous. |
---|
684 | DO k = 1, nz |
---|
685 | DO j = nys, nyn |
---|
686 | DO i = nxl, nxr |
---|
687 | f_inv(i,k,j) = f_in(k,j,i) |
---|
688 | ENDDO |
---|
689 | ENDDO |
---|
690 | ENDDO |
---|
691 | |
---|
692 | ! |
---|
693 | !-- Transpose array |
---|
694 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
695 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
696 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
---|
697 | work(1), sendrecvcount_xy, MPI_REAL, comm1dx, ierr ) |
---|
698 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
699 | |
---|
700 | ! |
---|
701 | !-- Reorder transposed array |
---|
702 | m = 0 |
---|
703 | DO l = 0, pdims(1) - 1 |
---|
704 | xs = 0 + l * nnx |
---|
705 | DO j = nys_x, nyn_x |
---|
706 | DO k = 1, nz |
---|
707 | DO i = xs, xs + nnx - 1 |
---|
708 | m = m + 1 |
---|
709 | f_out(i,j,k) = work(m) |
---|
710 | ENDDO |
---|
711 | ENDDO |
---|
712 | ENDDO |
---|
713 | ENDDO |
---|
714 | |
---|
715 | END SUBROUTINE transpose_yxd |
---|
716 | #endif |
---|
717 | |
---|
718 | |
---|
719 | !--------------------------------------------------------------------------------------------------! |
---|
720 | ! Description: |
---|
721 | ! ------------ |
---|
722 | !> Resorting data for the transposition from y to z. The transposition itself is carried out in |
---|
723 | !> transpose_yz. |
---|
724 | !--------------------------------------------------------------------------------------------------! |
---|
725 | SUBROUTINE resort_for_yz( f_in, f_inv ) |
---|
726 | |
---|
727 | |
---|
728 | USE indices, & |
---|
729 | ONLY: ny |
---|
730 | |
---|
731 | USE kinds |
---|
732 | |
---|
733 | USE transpose_indices, & |
---|
734 | ONLY: nxl_y, & |
---|
735 | nxr_y, & |
---|
736 | nzb_y, & |
---|
737 | nzt_y |
---|
738 | |
---|
739 | IMPLICIT NONE |
---|
740 | |
---|
741 | INTEGER(iwp) :: i !< |
---|
742 | INTEGER(iwp) :: j !< |
---|
743 | INTEGER(iwp) :: k !< |
---|
744 | |
---|
745 | REAL(wp) :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) !< |
---|
746 | REAL(wp) :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) !< |
---|
747 | |
---|
748 | ! |
---|
749 | !-- Rearrange indices of input array in order to make data to be send by MPI contiguous. |
---|
750 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
751 | !$OMP DO |
---|
752 | #if __acc_fft_device |
---|
753 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
754 | !$ACC PRESENT(f_inv, f_in) |
---|
755 | #endif |
---|
756 | DO k = nzb_y, nzt_y |
---|
757 | DO i = nxl_y, nxr_y |
---|
758 | DO j = 0, ny |
---|
759 | f_inv(i,k,j) = f_in(j,i,k) |
---|
760 | ENDDO |
---|
761 | ENDDO |
---|
762 | ENDDO |
---|
763 | !$OMP END PARALLEL |
---|
764 | |
---|
765 | END SUBROUTINE resort_for_yz |
---|
766 | |
---|
767 | |
---|
768 | !--------------------------------------------------------------------------------------------------! |
---|
769 | ! Description: |
---|
770 | ! ------------ |
---|
771 | !> Transposition of input array (f_in) from y to z. For the input array, all elements along y reside |
---|
772 | !> on the same PE, while after transposition, all elements along z reside on the same PE. |
---|
773 | !--------------------------------------------------------------------------------------------------! |
---|
774 | SUBROUTINE transpose_yz( f_inv, f_out ) |
---|
775 | |
---|
776 | |
---|
777 | #if defined( __parallel ) |
---|
778 | USE cpulog, & |
---|
779 | ONLY: cpu_log, & |
---|
780 | cpu_log_nowait, & |
---|
781 | log_point_s |
---|
782 | #endif |
---|
783 | |
---|
784 | USE indices, & |
---|
785 | ONLY: ny, & |
---|
786 | nz |
---|
787 | |
---|
788 | USE kinds |
---|
789 | |
---|
790 | USE pegrid |
---|
791 | |
---|
792 | USE transpose_indices, & |
---|
793 | ONLY: nxl_y, & |
---|
794 | nxl_z, & |
---|
795 | nxr_y, & |
---|
796 | nxr_z, & |
---|
797 | nyn_z, & |
---|
798 | nys_z, & |
---|
799 | nzb_y, & |
---|
800 | nzt_y |
---|
801 | |
---|
802 | IMPLICIT NONE |
---|
803 | |
---|
804 | INTEGER(iwp) :: i !< |
---|
805 | INTEGER(iwp) :: j !< |
---|
806 | INTEGER(iwp) :: k !< |
---|
807 | |
---|
808 | #if defined( __parallel ) |
---|
809 | INTEGER(iwp) :: l !< |
---|
810 | INTEGER(iwp) :: zs !< |
---|
811 | #endif |
---|
812 | |
---|
813 | REAL(wp) :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) !< |
---|
814 | REAL(wp) :: f_out(nxl_z:nxr_z,nys_z:nyn_z,1:nz) !< |
---|
815 | |
---|
816 | #if defined( __parallel ) |
---|
817 | REAL(wp), DIMENSION(nxl_z:nxr_z,nzt_y-nzb_y+1,nys_z:nyn_z,0:pdims(1)-1) :: work !< |
---|
818 | #if __acc_fft_device |
---|
819 | !$ACC DECLARE CREATE(work) |
---|
820 | #endif |
---|
821 | #endif |
---|
822 | |
---|
823 | |
---|
824 | ! |
---|
825 | !-- If the PE grid is one-dimensional along y, only local reordering of the data is necessary and no |
---|
826 | !-- transposition has to be done. |
---|
827 | IF ( pdims(1) == 1 ) THEN |
---|
828 | |
---|
829 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
830 | !$OMP DO |
---|
831 | #if __acc_fft_device |
---|
832 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
833 | !$ACC PRESENT(f_out, f_inv) |
---|
834 | #endif |
---|
835 | DO j = 0, ny |
---|
836 | DO k = nzb_y, nzt_y |
---|
837 | DO i = nxl_y, nxr_y |
---|
838 | f_out(i,j,k) = f_inv(i,k,j) |
---|
839 | ENDDO |
---|
840 | ENDDO |
---|
841 | ENDDO |
---|
842 | !$OMP END PARALLEL |
---|
843 | |
---|
844 | ELSE |
---|
845 | |
---|
846 | #if defined( __parallel ) |
---|
847 | ! |
---|
848 | !-- Transpose array |
---|
849 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
---|
850 | |
---|
851 | #if __acc_fft_device |
---|
852 | #ifndef __cuda_aware_mpi |
---|
853 | !$ACC UPDATE HOST(f_inv) |
---|
854 | #else |
---|
855 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
---|
856 | #endif |
---|
857 | #endif |
---|
858 | |
---|
859 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
860 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
---|
861 | work(nxl_z,1,nys_z,0), sendrecvcount_yz, MPI_REAL, comm1dx, ierr ) |
---|
862 | |
---|
863 | #if __acc_fft_device |
---|
864 | #ifndef __cuda_aware_mpi |
---|
865 | !$ACC UPDATE DEVICE(work) |
---|
866 | #else |
---|
867 | !$ACC END HOST_DATA |
---|
868 | #endif |
---|
869 | #endif |
---|
870 | |
---|
871 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
872 | |
---|
873 | ! |
---|
874 | !-- Reorder transposed array |
---|
875 | !$OMP PARALLEL PRIVATE ( i, j, k, l, zs ) |
---|
876 | DO l = 0, pdims(1) - 1 |
---|
877 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
---|
878 | #if __acc_fft_device |
---|
879 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
880 | !$ACC PRESENT(f_out, work) |
---|
881 | #endif |
---|
882 | !$OMP DO |
---|
883 | DO j = nys_z, nyn_z |
---|
884 | DO k = zs, zs + nzt_y - nzb_y |
---|
885 | DO i = nxl_z, nxr_z |
---|
886 | f_out(i,j,k) = work(i,k-zs+1,j,l) |
---|
887 | ENDDO |
---|
888 | ENDDO |
---|
889 | ENDDO |
---|
890 | !$OMP END DO NOWAIT |
---|
891 | ENDDO |
---|
892 | !$OMP END PARALLEL |
---|
893 | #endif |
---|
894 | |
---|
895 | ENDIF |
---|
896 | |
---|
897 | END SUBROUTINE transpose_yz |
---|
898 | |
---|
899 | |
---|
900 | !--------------------------------------------------------------------------------------------------! |
---|
901 | ! Description: |
---|
902 | ! ------------ |
---|
903 | !> Resorting data for the transposition from z to x. The transposition itself is carried out in |
---|
904 | !> transpose_zx. |
---|
905 | !--------------------------------------------------------------------------------------------------! |
---|
906 | SUBROUTINE resort_for_zx( f_in, f_inv ) |
---|
907 | |
---|
908 | |
---|
909 | USE indices, & |
---|
910 | ONLY: nxl, & |
---|
911 | nxr, & |
---|
912 | nyn, & |
---|
913 | nys, & |
---|
914 | nz |
---|
915 | |
---|
916 | USE kinds |
---|
917 | |
---|
918 | IMPLICIT NONE |
---|
919 | |
---|
920 | INTEGER(iwp) :: i !< |
---|
921 | INTEGER(iwp) :: j !< |
---|
922 | INTEGER(iwp) :: k !< |
---|
923 | |
---|
924 | REAL(wp) :: f_in(1:nz,nys:nyn,nxl:nxr) !< |
---|
925 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
---|
926 | |
---|
927 | ! |
---|
928 | !-- Rearrange indices of input array in order to make data to be send by MPI contiguous. |
---|
929 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
930 | !$OMP DO |
---|
931 | #if __acc_fft_device |
---|
932 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
933 | !$ACC PRESENT(f_in, f_inv) |
---|
934 | #endif |
---|
935 | DO i = nxl, nxr |
---|
936 | DO j = nys, nyn |
---|
937 | DO k = 1,nz |
---|
938 | f_inv(j,i,k) = f_in(k,j,i) |
---|
939 | ENDDO |
---|
940 | ENDDO |
---|
941 | ENDDO |
---|
942 | !$OMP END PARALLEL |
---|
943 | |
---|
944 | END SUBROUTINE resort_for_zx |
---|
945 | |
---|
946 | |
---|
947 | !--------------------------------------------------------------------------------------------------! |
---|
948 | ! Description: |
---|
949 | ! ------------ |
---|
950 | !> Transposition of input array (f_in) from z to x. For the input array, all elements along z reside |
---|
951 | !> on the same PE, while after transposition, all elements along x reside on the same PE. |
---|
952 | !--------------------------------------------------------------------------------------------------! |
---|
953 | SUBROUTINE transpose_zx( f_inv, f_out ) |
---|
954 | |
---|
955 | |
---|
956 | #if defined( __parallel ) |
---|
957 | USE cpulog, & |
---|
958 | ONLY: cpu_log, & |
---|
959 | cpu_log_nowait, & |
---|
960 | log_point_s |
---|
961 | |
---|
962 | USE fft_xy, & |
---|
963 | ONLY: f_vec_x, & |
---|
964 | temperton_fft_vec |
---|
965 | #endif |
---|
966 | |
---|
967 | USE indices, & |
---|
968 | ONLY: nx, & |
---|
969 | nxl, & |
---|
970 | nxr, & |
---|
971 | nyn, & |
---|
972 | nys, & |
---|
973 | nz |
---|
974 | |
---|
975 | #if defined( __parallel ) |
---|
976 | USE indices, & |
---|
977 | ONLY: nnx |
---|
978 | #endif |
---|
979 | |
---|
980 | USE kinds |
---|
981 | |
---|
982 | USE pegrid |
---|
983 | |
---|
984 | USE transpose_indices, & |
---|
985 | ONLY: nyn_x, & |
---|
986 | nys_x, & |
---|
987 | nzb_x, & |
---|
988 | nzt_x |
---|
989 | |
---|
990 | IMPLICIT NONE |
---|
991 | |
---|
992 | INTEGER(iwp) :: i !< |
---|
993 | INTEGER(iwp) :: j !< |
---|
994 | INTEGER(iwp) :: k !< |
---|
995 | |
---|
996 | #if defined( __parallel ) |
---|
997 | INTEGER(iwp) :: l !< |
---|
998 | INTEGER(iwp) :: mm !< |
---|
999 | INTEGER(iwp) :: xs !< |
---|
1000 | #endif |
---|
1001 | |
---|
1002 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
---|
1003 | REAL(wp) :: f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) !< |
---|
1004 | |
---|
1005 | #if defined( __parallel ) |
---|
1006 | REAL(wp), DIMENSION(nys_x:nyn_x,nnx,nzb_x:nzt_x,0:pdims(1)-1) :: work !< |
---|
1007 | #if __acc_fft_device |
---|
1008 | !$ACC DECLARE CREATE(work) |
---|
1009 | #endif |
---|
1010 | #endif |
---|
1011 | |
---|
1012 | |
---|
1013 | ! |
---|
1014 | !-- If the PE grid is one-dimensional along y, only local reordering of the data is necessary and no |
---|
1015 | !-- transposition has to be done. |
---|
1016 | IF ( pdims(1) == 1 ) THEN |
---|
1017 | |
---|
1018 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
1019 | !$OMP DO |
---|
1020 | #if __acc_fft_device |
---|
1021 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
1022 | !$ACC PRESENT(f_out, f_inv) |
---|
1023 | #endif |
---|
1024 | DO k = 1, nz |
---|
1025 | DO i = nxl, nxr |
---|
1026 | DO j = nys, nyn |
---|
1027 | f_out(i,j,k) = f_inv(j,i,k) |
---|
1028 | ENDDO |
---|
1029 | ENDDO |
---|
1030 | ENDDO |
---|
1031 | !$OMP END PARALLEL |
---|
1032 | |
---|
1033 | ELSE |
---|
1034 | |
---|
1035 | #if defined( __parallel ) |
---|
1036 | ! |
---|
1037 | !-- Transpose array |
---|
1038 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
---|
1039 | |
---|
1040 | #if __acc_fft_device |
---|
1041 | #ifndef __cuda_aware_mpi |
---|
1042 | !$ACC UPDATE HOST(f_inv) |
---|
1043 | #else |
---|
1044 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
---|
1045 | #endif |
---|
1046 | #endif |
---|
1047 | |
---|
1048 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
1049 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
---|
1050 | work(nys_x,1,nzb_x,0), sendrecvcount_zx, MPI_REAL, comm1dx, ierr ) |
---|
1051 | |
---|
1052 | #if __acc_fft_device |
---|
1053 | #ifndef __cuda_aware_mpi |
---|
1054 | !$ACC UPDATE DEVICE(work) |
---|
1055 | #else |
---|
1056 | !$ACC END HOST_DATA |
---|
1057 | #endif |
---|
1058 | #endif |
---|
1059 | |
---|
1060 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
1061 | |
---|
1062 | ! |
---|
1063 | !-- Reorder transposed array. |
---|
1064 | !-- Data for the vectorized Temperton-fft is stored in different array format (f_vec_x) which |
---|
1065 | !-- saves additional data copy in fft_x. |
---|
1066 | IF ( temperton_fft_vec ) THEN |
---|
1067 | |
---|
1068 | DO l = 0, pdims(1) - 1 |
---|
1069 | xs = 0 + l * nnx |
---|
1070 | DO k = nzb_x, nzt_x |
---|
1071 | DO i = xs, xs + nnx - 1 |
---|
1072 | DO j = nys_x, nyn_x |
---|
1073 | mm = j-nys_x+1+(k-nzb_x)*(nyn_x-nys_x+1) |
---|
1074 | f_vec_x(mm,i) = work(j,i-xs+1,k,l) |
---|
1075 | ENDDO |
---|
1076 | ENDDO |
---|
1077 | ENDDO |
---|
1078 | ENDDO |
---|
1079 | |
---|
1080 | ELSE |
---|
1081 | |
---|
1082 | !$OMP PARALLEL PRIVATE ( i, j, k, l, xs ) |
---|
1083 | DO l = 0, pdims(1) - 1 |
---|
1084 | xs = 0 + l * nnx |
---|
1085 | #if __acc_fft_device |
---|
1086 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
1087 | !$ACC PRESENT(f_out, work) |
---|
1088 | #endif |
---|
1089 | !$OMP DO |
---|
1090 | DO k = nzb_x, nzt_x |
---|
1091 | DO i = xs, xs + nnx - 1 |
---|
1092 | DO j = nys_x, nyn_x |
---|
1093 | f_out(i,j,k) = work(j,i-xs+1,k,l) |
---|
1094 | ENDDO |
---|
1095 | ENDDO |
---|
1096 | ENDDO |
---|
1097 | !$OMP END DO NOWAIT |
---|
1098 | ENDDO |
---|
1099 | !$OMP END PARALLEL |
---|
1100 | |
---|
1101 | ENDIF |
---|
1102 | |
---|
1103 | #endif |
---|
1104 | |
---|
1105 | ENDIF |
---|
1106 | |
---|
1107 | END SUBROUTINE transpose_zx |
---|
1108 | |
---|
1109 | |
---|
1110 | !--------------------------------------------------------------------------------------------------! |
---|
1111 | ! Description: |
---|
1112 | ! ------------ |
---|
1113 | !> Resorting data after the transposition from z to y. The transposition itself is carried out in |
---|
1114 | !> transpose_zy. |
---|
1115 | !--------------------------------------------------------------------------------------------------! |
---|
1116 | SUBROUTINE resort_for_zy( f_inv, f_out ) |
---|
1117 | |
---|
1118 | |
---|
1119 | USE indices, & |
---|
1120 | ONLY: ny |
---|
1121 | |
---|
1122 | USE kinds |
---|
1123 | |
---|
1124 | USE transpose_indices, & |
---|
1125 | ONLY: nxl_y, & |
---|
1126 | nxr_y, & |
---|
1127 | nzb_y, & |
---|
1128 | nzt_y |
---|
1129 | |
---|
1130 | IMPLICIT NONE |
---|
1131 | |
---|
1132 | INTEGER(iwp) :: i !< |
---|
1133 | INTEGER(iwp) :: j !< |
---|
1134 | INTEGER(iwp) :: k !< |
---|
1135 | |
---|
1136 | REAL(wp) :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) !< |
---|
1137 | REAL(wp) :: f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) !< |
---|
1138 | |
---|
1139 | ! |
---|
1140 | !-- Rearrange indices of input array in order to make data to be send by MPI contiguous. |
---|
1141 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
1142 | !$OMP DO |
---|
1143 | #if __acc_fft_device |
---|
1144 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
1145 | !$ACC PRESENT(f_out, f_inv) |
---|
1146 | #endif |
---|
1147 | DO k = nzb_y, nzt_y |
---|
1148 | DO i = nxl_y, nxr_y |
---|
1149 | DO j = 0, ny |
---|
1150 | f_out(j,i,k) = f_inv(i,k,j) |
---|
1151 | ENDDO |
---|
1152 | ENDDO |
---|
1153 | ENDDO |
---|
1154 | !$OMP END PARALLEL |
---|
1155 | |
---|
1156 | END SUBROUTINE resort_for_zy |
---|
1157 | |
---|
1158 | |
---|
1159 | !--------------------------------------------------------------------------------------------------! |
---|
1160 | ! Description:cpu_log_nowait |
---|
1161 | ! ------------ |
---|
1162 | !> Transposition of input array (f_in) from z to y. For the input array, all elements along z reside |
---|
1163 | !> on the same PE, while after transposition, all elements along y reside on the same PE. |
---|
1164 | !--------------------------------------------------------------------------------------------------! |
---|
1165 | SUBROUTINE transpose_zy( f_in, f_inv ) |
---|
1166 | |
---|
1167 | |
---|
1168 | #if defined( __parallel ) |
---|
1169 | USE cpulog, & |
---|
1170 | ONLY: cpu_log, & |
---|
1171 | cpu_log_nowait, & |
---|
1172 | log_point_s |
---|
1173 | #endif |
---|
1174 | |
---|
1175 | USE indices, & |
---|
1176 | ONLY: ny, & |
---|
1177 | nz |
---|
1178 | |
---|
1179 | USE kinds |
---|
1180 | |
---|
1181 | USE pegrid |
---|
1182 | |
---|
1183 | USE transpose_indices, & |
---|
1184 | ONLY: nxl_y, & |
---|
1185 | nxl_z, & |
---|
1186 | nxr_y, & |
---|
1187 | nxr_z, & |
---|
1188 | nyn_z, & |
---|
1189 | nys_z, & |
---|
1190 | nzb_y, & |
---|
1191 | nzt_y |
---|
1192 | |
---|
1193 | IMPLICIT NONE |
---|
1194 | |
---|
1195 | INTEGER(iwp) :: i !< |
---|
1196 | INTEGER(iwp) :: j !< |
---|
1197 | INTEGER(iwp) :: k !< |
---|
1198 | |
---|
1199 | #if defined( __parallel ) |
---|
1200 | INTEGER(iwp) :: l !< |
---|
1201 | INTEGER(iwp) :: zs !< |
---|
1202 | #endif |
---|
1203 | |
---|
1204 | REAL(wp) :: f_in(nxl_z:nxr_z,nys_z:nyn_z,1:nz) !< |
---|
1205 | REAL(wp) :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) !< |
---|
1206 | |
---|
1207 | #if defined( __parallel ) |
---|
1208 | REAL(wp), DIMENSION(nxl_z:nxr_z,nzt_y-nzb_y+1,nys_z:nyn_z,0:pdims(1)-1) :: work !< |
---|
1209 | #if __acc_fft_device |
---|
1210 | !$ACC DECLARE CREATE(work) |
---|
1211 | #endif |
---|
1212 | #endif |
---|
1213 | |
---|
1214 | ! |
---|
1215 | !-- If the PE grid is one-dimensional along y, the array has only to be reordered locally and |
---|
1216 | !-- therefore no transposition has to be done. |
---|
1217 | IF ( pdims(1) /= 1 ) THEN |
---|
1218 | |
---|
1219 | #if defined( __parallel ) |
---|
1220 | ! |
---|
1221 | !-- Reorder input array for transposition |
---|
1222 | !$OMP PARALLEL PRIVATE ( i, j, k, l, zs ) |
---|
1223 | DO l = 0, pdims(1) - 1 |
---|
1224 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
---|
1225 | #if __acc_fft_device |
---|
1226 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
1227 | !$ACC PRESENT(work, f_in) |
---|
1228 | #endif |
---|
1229 | !$OMP DO |
---|
1230 | DO j = nys_z, nyn_z |
---|
1231 | DO k = zs, zs + nzt_y - nzb_y |
---|
1232 | DO i = nxl_z, nxr_z |
---|
1233 | work(i,k-zs+1,j,l) = f_in(i,j,k) |
---|
1234 | ENDDO |
---|
1235 | ENDDO |
---|
1236 | ENDDO |
---|
1237 | !$OMP END DO NOWAIT |
---|
1238 | ENDDO |
---|
1239 | !$OMP END PARALLEL |
---|
1240 | |
---|
1241 | ! |
---|
1242 | !-- Transpose array |
---|
1243 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start', cpu_log_nowait ) |
---|
1244 | |
---|
1245 | #if __acc_fft_device |
---|
1246 | #ifndef __cuda_aware_mpi |
---|
1247 | !$ACC UPDATE HOST(work) |
---|
1248 | #else |
---|
1249 | !$ACC HOST_DATA USE_DEVICE(work, f_inv) |
---|
1250 | #endif |
---|
1251 | #endif |
---|
1252 | |
---|
1253 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
1254 | CALL MPI_ALLTOALL( work(nxl_z,1,nys_z,0), sendrecvcount_yz, MPI_REAL, & |
---|
1255 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, comm1dx, ierr ) |
---|
1256 | |
---|
1257 | #if __acc_fft_device |
---|
1258 | #ifndef __cuda_aware_mpi |
---|
1259 | !$ACC UPDATE DEVICE(f_inv) |
---|
1260 | #else |
---|
1261 | !$ACC END HOST_DATA |
---|
1262 | #endif |
---|
1263 | #endif |
---|
1264 | |
---|
1265 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
1266 | #endif |
---|
1267 | |
---|
1268 | ELSE |
---|
1269 | ! |
---|
1270 | !-- Reorder the array in the same way like ALLTOALL did it |
---|
1271 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
1272 | !$OMP DO |
---|
1273 | #if __acc_fft_device |
---|
1274 | !$ACC PARALLEL LOOP COLLAPSE(3) PRIVATE(i,j,k) & |
---|
1275 | !$ACC PRESENT(f_inv, f_in) |
---|
1276 | #endif |
---|
1277 | DO k = nzb_y, nzt_y |
---|
1278 | DO j = 0, ny |
---|
1279 | DO i = nxl_y, nxr_y |
---|
1280 | f_inv(i,k,j) = f_in(i,j,k) |
---|
1281 | ENDDO |
---|
1282 | ENDDO |
---|
1283 | ENDDO |
---|
1284 | !$OMP END PARALLEL |
---|
1285 | |
---|
1286 | ENDIF |
---|
1287 | |
---|
1288 | END SUBROUTINE transpose_zy |
---|
1289 | |
---|
1290 | |
---|
1291 | !--------------------------------------------------------------------------------------------------! |
---|
1292 | ! Description: |
---|
1293 | ! ------------ |
---|
1294 | !> Transposition of input array (f_in) from z to y. For the input array, all elements along z reside |
---|
1295 | !> on the same PE, while after transposition, all elements along y reside on the same PE. This is a |
---|
1296 | !> direct transposition for arrays with indices in regular order (k,j,i) (cf. transpose_zy). |
---|
1297 | !--------------------------------------------------------------------------------------------------! |
---|
1298 | #if defined( __parallel ) |
---|
1299 | SUBROUTINE transpose_zyd( f_in, f_out ) |
---|
1300 | |
---|
1301 | |
---|
1302 | USE cpulog, & |
---|
1303 | ONLY: cpu_log, & |
---|
1304 | log_point_s |
---|
1305 | |
---|
1306 | USE indices, & |
---|
1307 | ONLY: nnx, & |
---|
1308 | nny, & |
---|
1309 | nnz, & |
---|
1310 | nxl, & |
---|
1311 | nxr, & |
---|
1312 | nyn, & |
---|
1313 | nys, & |
---|
1314 | ny, & |
---|
1315 | nz |
---|
1316 | |
---|
1317 | USE kinds |
---|
1318 | |
---|
1319 | USE pegrid |
---|
1320 | |
---|
1321 | USE transpose_indices, & |
---|
1322 | ONLY: nxl_yd, & |
---|
1323 | nxr_yd, & |
---|
1324 | nzb_yd, & |
---|
1325 | nzt_yd |
---|
1326 | |
---|
1327 | IMPLICIT NONE |
---|
1328 | |
---|
1329 | INTEGER(iwp) :: i !< |
---|
1330 | INTEGER(iwp) :: j !< |
---|
1331 | INTEGER(iwp) :: k !< |
---|
1332 | INTEGER(iwp) :: l !< |
---|
1333 | INTEGER(iwp) :: m !< |
---|
1334 | INTEGER(iwp) :: ys !< |
---|
1335 | |
---|
1336 | REAL(wp) :: f_in(1:nz,nys:nyn,nxl:nxr) !< |
---|
1337 | REAL(wp) :: f_inv(nys:nyn,nxl:nxr,1:nz) !< |
---|
1338 | REAL(wp) :: f_out(0:ny,nxl_yd:nxr_yd,nzb_yd:nzt_yd) !< |
---|
1339 | REAL(wp) :: work(nnx*nny*nnz) !< |
---|
1340 | |
---|
1341 | ! |
---|
1342 | !-- Rearrange indices of input array in order to make data to be send by MPI contiguous. |
---|
1343 | DO i = nxl, nxr |
---|
1344 | DO j = nys, nyn |
---|
1345 | DO k = 1, nz |
---|
1346 | f_inv(j,i,k) = f_in(k,j,i) |
---|
1347 | ENDDO |
---|
1348 | ENDDO |
---|
1349 | ENDDO |
---|
1350 | |
---|
1351 | ! |
---|
1352 | !-- Move data to different array, because memory location of work1 is needed further below |
---|
1353 | !-- (work1 = work2). If the PE grid is one-dimensional along x, only local reordering of the data is |
---|
1354 | !-- necessary and no transposition has to be done. |
---|
1355 | IF ( pdims(2) == 1 ) THEN |
---|
1356 | DO k = 1, nz |
---|
1357 | DO i = nxl, nxr |
---|
1358 | DO j = nys, nyn |
---|
1359 | f_out(j,i,k) = f_inv(j,i,k) |
---|
1360 | ENDDO |
---|
1361 | ENDDO |
---|
1362 | ENDDO |
---|
1363 | RETURN |
---|
1364 | ENDIF |
---|
1365 | |
---|
1366 | ! |
---|
1367 | !-- Transpose array |
---|
1368 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
1369 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
1370 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
---|
1371 | work(1), sendrecvcount_zyd, MPI_REAL, comm1dy, ierr ) |
---|
1372 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
1373 | |
---|
1374 | ! |
---|
1375 | !-- Reorder transposed array |
---|
1376 | m = 0 |
---|
1377 | DO l = 0, pdims(2) - 1 |
---|
1378 | ys = 0 + l * nny |
---|
1379 | DO k = nzb_yd, nzt_yd |
---|
1380 | DO i = nxl_yd, nxr_yd |
---|
1381 | DO j = ys, ys + nny - 1 |
---|
1382 | m = m + 1 |
---|
1383 | f_out(j,i,k) = work(m) |
---|
1384 | ENDDO |
---|
1385 | ENDDO |
---|
1386 | ENDDO |
---|
1387 | ENDDO |
---|
1388 | |
---|
1389 | END SUBROUTINE transpose_zyd |
---|
1390 | #endif |
---|