1 | SUBROUTINE transpose_xy( f_in, work, f_out ) |
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2 | |
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3 | !------------------------------------------------------------------------------! |
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4 | ! Current revisions: |
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5 | ! ----------------- |
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6 | ! |
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7 | ! |
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8 | ! Former revisions: |
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9 | ! ----------------- |
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10 | ! $Id: transpose.f90 684 2011-02-09 14:49:31Z raasch $ |
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11 | ! |
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12 | ! 683 2011-02-09 14:25:15Z raasch |
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13 | ! openMP parallelization of transpositions for 2d-domain-decomposition |
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14 | ! |
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15 | ! 622 2010-12-10 08:08:13Z raasch |
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16 | ! optional barriers included in order to speed up collective operations |
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17 | ! |
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18 | ! 164 2008-05-15 08:46:15Z raasch |
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19 | ! f_inv changed from subroutine argument to automatic array in order to do |
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20 | ! re-ordering from f_in to f_inv in one step, one array work is needed instead |
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21 | ! of work1 and work2 |
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22 | ! |
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23 | ! February 2007 |
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24 | ! RCS Log replace by Id keyword, revision history cleaned up |
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25 | ! |
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26 | ! Revision 1.2 2004/04/30 13:12:17 raasch |
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27 | ! Switched from mpi_alltoallv to the simpler mpi_alltoall, |
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28 | ! all former transpose-routine files collected in this file, enlarged |
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29 | ! transposition arrays introduced |
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30 | ! |
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31 | ! Revision 1.1 2004/04/30 13:08:16 raasch |
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32 | ! Initial revision (collection of former routines transpose_xy, transpose_xz, |
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33 | ! transpose_yx, transpose_yz, transpose_zx, transpose_zy) |
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34 | ! |
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35 | ! Revision 1.1 1997/07/24 11:25:18 raasch |
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36 | ! Initial revision |
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37 | ! |
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38 | ! |
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39 | ! Description: |
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40 | ! ------------ |
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41 | ! Transposition of input array (f_in) from x to y. For the input array, all |
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42 | ! elements along x reside on the same PE, while after transposition, all |
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43 | ! elements along y reside on the same PE. |
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44 | !------------------------------------------------------------------------------! |
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45 | |
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46 | USE cpulog |
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47 | USE indices |
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48 | USE interfaces |
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49 | USE pegrid |
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50 | USE transpose_indices |
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51 | |
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52 | IMPLICIT NONE |
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53 | |
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54 | INTEGER :: i, j, k, l, m, ys |
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55 | |
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56 | REAL :: f_in(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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57 | f_inv(nys_x:nyn_xa,nzb_x:nzt_xa,0:nxa), & |
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58 | f_out(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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59 | work(nnx*nny*nnz) |
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60 | |
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61 | #if defined( __parallel ) |
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62 | |
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63 | ! |
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64 | !-- Rearrange indices of input array in order to make data to be send |
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65 | !-- by MPI contiguous |
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66 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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67 | !$OMP DO |
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68 | DO i = 0, nxa |
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69 | DO k = nzb_x, nzt_xa |
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70 | DO j = nys_x, nyn_xa |
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71 | f_inv(j,k,i) = f_in(i,j,k) |
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72 | ENDDO |
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73 | ENDDO |
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74 | ENDDO |
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75 | !$OMP END PARALLEL |
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76 | |
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77 | ! |
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78 | !-- Transpose array |
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79 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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80 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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81 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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82 | work(1), sendrecvcount_xy, MPI_REAL, & |
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83 | comm1dy, ierr ) |
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84 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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85 | |
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86 | ! |
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87 | !-- Reorder transposed array |
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88 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, ys ) |
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89 | !$OMP DO |
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90 | DO l = 0, pdims(2) - 1 |
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91 | m = l * ( nxr_ya - nxl_y + 1 ) * ( nzt_ya - nzb_y + 1 ) * & |
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92 | ( nyn_xa - nys_x + 1 ) |
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93 | ys = 0 + l * ( nyn_xa - nys_x + 1 ) |
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94 | DO i = nxl_y, nxr_ya |
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95 | DO k = nzb_y, nzt_ya |
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96 | DO j = ys, ys + nyn_xa - nys_x |
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97 | m = m + 1 |
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98 | f_out(j,i,k) = work(m) |
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99 | ENDDO |
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100 | ENDDO |
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101 | ENDDO |
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102 | ENDDO |
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103 | !$OMP END PARALLEL |
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104 | |
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105 | #endif |
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106 | |
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107 | END SUBROUTINE transpose_xy |
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108 | |
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109 | |
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110 | SUBROUTINE transpose_xz( f_in, work, f_out ) |
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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 z. For the input array, all |
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116 | ! elements along x reside on the same PE, while after transposition, all |
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117 | ! elements along z reside on the same PE. |
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118 | !------------------------------------------------------------------------------! |
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119 | |
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120 | USE cpulog |
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121 | USE indices |
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122 | USE interfaces |
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123 | USE pegrid |
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124 | USE transpose_indices |
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125 | |
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126 | IMPLICIT NONE |
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127 | |
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128 | INTEGER :: i, j, k, l, m, xs |
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129 | |
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130 | REAL :: f_in(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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131 | f_inv(nys:nyna,nxl:nxra,1:nza), & |
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132 | f_out(1:nza,nys:nyna,nxl:nxra), & |
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133 | work(nnx*nny*nnz) |
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134 | |
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135 | #if defined( __parallel ) |
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136 | |
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137 | ! |
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138 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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139 | !-- reordered locally and therefore no transposition has to be done. |
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140 | IF ( pdims(1) /= 1 ) THEN |
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141 | ! |
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142 | !-- Reorder input array for transposition |
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143 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, xs ) |
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144 | !$OMP DO |
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145 | DO l = 0, pdims(1) - 1 |
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146 | m = l * ( nzt_xa - nzb_x + 1 ) * nnx * ( nyn_xa - nys_x + 1 ) |
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147 | xs = 0 + l * nnx |
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148 | DO k = nzb_x, nzt_xa |
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149 | DO i = xs, xs + nnx - 1 |
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150 | DO j = nys_x, nyn_xa |
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151 | m = m + 1 |
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152 | work(m) = f_in(i,j,k) |
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153 | ENDDO |
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154 | ENDDO |
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155 | ENDDO |
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156 | ENDDO |
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157 | !$OMP END PARALLEL |
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158 | |
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159 | ! |
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160 | !-- Transpose array |
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161 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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162 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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163 | CALL MPI_ALLTOALL( work(1), sendrecvcount_zx, MPI_REAL, & |
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164 | f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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165 | comm1dx, ierr ) |
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166 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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167 | |
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168 | ! |
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169 | !-- Reorder transposed array in a way that the z index is in first position |
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170 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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171 | !$OMP DO |
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172 | DO k = 1, nza |
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173 | DO i = nxl, nxra |
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174 | DO j = nys, nyna |
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175 | f_out(k,j,i) = f_inv(j,i,k) |
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176 | ENDDO |
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177 | ENDDO |
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178 | ENDDO |
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179 | !$OMP END PARALLEL |
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180 | ELSE |
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181 | ! |
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182 | !-- Reorder the array in a way that the z index is in first position |
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183 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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184 | !$OMP DO |
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185 | DO i = nxl, nxra |
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186 | DO j = nys, nyna |
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187 | DO k = 1, nza |
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188 | f_inv(j,i,k) = f_in(i,j,k) |
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189 | ENDDO |
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190 | ENDDO |
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191 | ENDDO |
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192 | !$OMP END PARALLEL |
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193 | |
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194 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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195 | !$OMP DO |
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196 | DO k = 1, nza |
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197 | DO i = nxl, nxra |
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198 | DO j = nys, nyna |
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199 | f_out(k,j,i) = f_inv(j,i,k) |
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200 | ENDDO |
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201 | ENDDO |
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202 | ENDDO |
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203 | !$OMP END PARALLEL |
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204 | |
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205 | ENDIF |
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206 | |
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207 | |
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208 | #endif |
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209 | |
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210 | END SUBROUTINE transpose_xz |
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211 | |
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212 | |
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213 | SUBROUTINE transpose_yx( f_in, work, f_out ) |
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214 | |
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215 | !------------------------------------------------------------------------------! |
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216 | ! Description: |
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217 | ! ------------ |
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218 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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219 | ! elements along y reside on the same PE, while after transposition, all |
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220 | ! elements along x reside on the same PE. |
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221 | !------------------------------------------------------------------------------! |
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222 | |
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223 | USE cpulog |
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224 | USE indices |
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225 | USE interfaces |
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226 | USE pegrid |
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227 | USE transpose_indices |
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228 | |
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229 | IMPLICIT NONE |
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230 | |
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231 | INTEGER :: i, j, k, l, m, ys |
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232 | |
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233 | REAL :: f_in(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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234 | f_inv(nys_x:nyn_xa,nzb_x:nzt_xa,0:nxa), & |
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235 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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236 | work(nnx*nny*nnz) |
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237 | |
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238 | #if defined( __parallel ) |
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239 | |
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240 | ! |
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241 | !-- Reorder input array for transposition |
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242 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, ys ) |
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243 | !$OMP DO |
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244 | DO l = 0, pdims(2) - 1 |
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245 | m = l * ( nxr_ya - nxl_y + 1 ) * ( nzt_ya - nzb_y + 1 ) * & |
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246 | ( nyn_xa - nys_x + 1 ) |
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247 | ys = 0 + l * ( nyn_xa - nys_x + 1 ) |
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248 | DO i = nxl_y, nxr_ya |
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249 | DO k = nzb_y, nzt_ya |
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250 | DO j = ys, ys + nyn_xa - nys_x |
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251 | m = m + 1 |
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252 | work(m) = f_in(j,i,k) |
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253 | ENDDO |
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254 | ENDDO |
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255 | ENDDO |
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256 | ENDDO |
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257 | !$OMP END PARALLEL |
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258 | |
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259 | ! |
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260 | !-- Transpose array |
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261 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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262 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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263 | CALL MPI_ALLTOALL( work(1), sendrecvcount_xy, MPI_REAL, & |
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264 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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265 | comm1dy, ierr ) |
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266 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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267 | |
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268 | ! |
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269 | !-- Reorder transposed array in a way that the x index is in first position |
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270 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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271 | !$OMP DO |
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272 | DO i = 0, nxa |
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273 | DO k = nzb_x, nzt_xa |
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274 | DO j = nys_x, nyn_xa |
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275 | f_out(i,j,k) = f_inv(j,k,i) |
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276 | ENDDO |
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277 | ENDDO |
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278 | ENDDO |
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279 | !$OMP END PARALLEL |
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280 | |
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281 | #endif |
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282 | |
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283 | END SUBROUTINE transpose_yx |
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284 | |
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285 | |
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286 | SUBROUTINE transpose_yxd( f_in, work, f_out ) |
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287 | |
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288 | !------------------------------------------------------------------------------! |
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289 | ! Description: |
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290 | ! ------------ |
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291 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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292 | ! elements along y reside on the same PE, while after transposition, all |
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293 | ! elements along x reside on the same PE. |
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294 | ! This is a direct transposition for arrays with indices in regular order |
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295 | ! (k,j,i) (cf. transpose_yx). |
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296 | !------------------------------------------------------------------------------! |
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297 | |
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298 | USE cpulog |
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299 | USE indices |
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300 | USE interfaces |
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301 | USE pegrid |
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302 | USE transpose_indices |
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303 | |
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304 | IMPLICIT NONE |
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305 | |
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306 | INTEGER :: i, j, k, l, m, recvcount_yx, sendcount_yx, xs |
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307 | |
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308 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nxl:nxra,1:nza,nys:nyna), & |
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309 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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310 | work(nnx*nny*nnz) |
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311 | |
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312 | #if defined( __parallel ) |
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313 | |
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314 | ! |
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315 | !-- Rearrange indices of input array in order to make data to be send |
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316 | !-- by MPI contiguous |
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317 | DO k = 1, nza |
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318 | DO j = nys, nyna |
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319 | DO i = nxl, nxra |
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320 | f_inv(i,k,j) = f_in(k,j,i) |
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321 | ENDDO |
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322 | ENDDO |
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323 | ENDDO |
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324 | |
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325 | ! |
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326 | !-- Transpose array |
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327 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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328 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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329 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
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330 | work(1), sendrecvcount_xy, MPI_REAL, & |
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331 | comm1dx, ierr ) |
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332 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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333 | |
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334 | ! |
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335 | !-- Reorder transposed array |
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336 | m = 0 |
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337 | DO l = 0, pdims(1) - 1 |
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338 | xs = 0 + l * nnx |
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339 | DO j = nys_x, nyn_xa |
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340 | DO k = 1, nza |
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341 | DO i = xs, xs + nnx - 1 |
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342 | m = m + 1 |
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343 | f_out(i,j,k) = work(m) |
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344 | ENDDO |
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345 | ENDDO |
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346 | ENDDO |
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347 | ENDDO |
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348 | |
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349 | #endif |
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350 | |
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351 | END SUBROUTINE transpose_yxd |
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352 | |
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353 | |
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354 | SUBROUTINE transpose_yz( f_in, work, f_out ) |
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355 | |
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356 | !------------------------------------------------------------------------------! |
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357 | ! Description: |
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358 | ! ------------ |
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359 | ! Transposition of input array (f_in) from y to z. For the input array, all |
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360 | ! elements along y reside on the same PE, while after transposition, all |
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361 | ! elements along z reside on the same PE. |
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362 | !------------------------------------------------------------------------------! |
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363 | |
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364 | USE cpulog |
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365 | USE indices |
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366 | USE interfaces |
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367 | USE pegrid |
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368 | USE transpose_indices |
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369 | |
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370 | IMPLICIT NONE |
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371 | |
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372 | INTEGER :: i, j, k, l, m, zs |
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373 | |
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374 | REAL :: f_in(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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375 | f_inv(nxl_y:nxr_ya,nzb_y:nzt_ya,0:nya), & |
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376 | f_out(nxl_z:nxr_za,nys_z:nyn_za,1:nza), & |
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377 | work(nnx*nny*nnz) |
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378 | |
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379 | #if defined( __parallel ) |
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380 | |
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381 | ! |
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382 | !-- Rearrange indices of input array in order to make data to be send |
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383 | !-- by MPI contiguous |
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384 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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385 | !$OMP DO |
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386 | DO j = 0, nya |
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387 | DO k = nzb_y, nzt_ya |
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388 | DO i = nxl_y, nxr_ya |
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389 | f_inv(i,k,j) = f_in(j,i,k) |
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390 | ENDDO |
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391 | ENDDO |
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392 | ENDDO |
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393 | !$OMP END PARALLEL |
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394 | |
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395 | ! |
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396 | !-- Move data to different array, because memory location of work1 is |
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397 | !-- needed further below (work1 = work2). |
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398 | !-- If the PE grid is one-dimensional along y, only local reordering |
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399 | !-- of the data is necessary and no transposition has to be done. |
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400 | IF ( pdims(1) == 1 ) THEN |
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401 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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402 | !$OMP DO |
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403 | DO j = 0, nya |
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404 | DO k = nzb_y, nzt_ya |
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405 | DO i = nxl_y, nxr_ya |
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406 | f_out(i,j,k) = f_inv(i,k,j) |
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407 | ENDDO |
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408 | ENDDO |
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409 | ENDDO |
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410 | !$OMP END PARALLEL |
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411 | RETURN |
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412 | ENDIF |
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413 | |
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414 | ! |
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415 | !-- Transpose array |
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416 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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417 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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418 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
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419 | work(1), sendrecvcount_yz, MPI_REAL, & |
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420 | comm1dx, ierr ) |
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421 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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422 | |
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423 | ! |
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424 | !-- Reorder transposed array |
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425 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, zs ) |
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426 | !$OMP DO |
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427 | DO l = 0, pdims(1) - 1 |
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428 | m = l * ( nyn_za - nys_z + 1 ) * ( nzt_ya - nzb_y + 1 ) * & |
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429 | ( nxr_za - nxl_z + 1 ) |
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430 | zs = 1 + l * ( nzt_ya - nzb_y + 1 ) |
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431 | DO j = nys_z, nyn_za |
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432 | DO k = zs, zs + nzt_ya - nzb_y |
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433 | DO i = nxl_z, nxr_za |
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434 | m = m + 1 |
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435 | f_out(i,j,k) = work(m) |
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436 | ENDDO |
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437 | ENDDO |
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438 | ENDDO |
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439 | ENDDO |
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440 | !$OMP END PARALLEL |
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441 | |
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442 | #endif |
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443 | |
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444 | END SUBROUTINE transpose_yz |
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445 | |
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446 | |
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447 | SUBROUTINE transpose_zx( f_in, work, f_out ) |
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448 | |
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449 | !------------------------------------------------------------------------------! |
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450 | ! Description: |
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451 | ! ------------ |
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452 | ! Transposition of input array (f_in) from z to x. For the input array, all |
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453 | ! elements along z reside on the same PE, while after transposition, all |
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454 | ! elements along x reside on the same PE. |
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455 | !------------------------------------------------------------------------------! |
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456 | |
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457 | USE cpulog |
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458 | USE indices |
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459 | USE interfaces |
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460 | USE pegrid |
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461 | USE transpose_indices |
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462 | |
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463 | IMPLICIT NONE |
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464 | |
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465 | INTEGER :: i, j, k, l, m, xs |
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466 | |
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467 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nys:nyna,nxl:nxra,1:nza), & |
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468 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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469 | work(nnx*nny*nnz) |
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470 | |
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471 | #if defined( __parallel ) |
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472 | |
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473 | ! |
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474 | !-- Rearrange indices of input array in order to make data to be send |
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475 | !-- by MPI contiguous |
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476 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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477 | !$OMP DO |
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478 | DO k = 1,nza |
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479 | DO i = nxl, nxra |
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480 | DO j = nys, nyna |
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481 | f_inv(j,i,k) = f_in(k,j,i) |
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482 | ENDDO |
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483 | ENDDO |
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484 | ENDDO |
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485 | !$OMP END PARALLEL |
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486 | |
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487 | ! |
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488 | !-- Move data to different array, because memory location of work1 is |
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489 | !-- needed further below (work1 = work2). |
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490 | !-- If the PE grid is one-dimensional along y, only local reordering |
---|
491 | !-- of the data is necessary and no transposition has to be done. |
---|
492 | IF ( pdims(1) == 1 ) THEN |
---|
493 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
494 | !$OMP DO |
---|
495 | DO k = 1, nza |
---|
496 | DO i = nxl, nxra |
---|
497 | DO j = nys, nyna |
---|
498 | f_out(i,j,k) = f_inv(j,i,k) |
---|
499 | ENDDO |
---|
500 | ENDDO |
---|
501 | ENDDO |
---|
502 | !$OMP END PARALLEL |
---|
503 | RETURN |
---|
504 | ENDIF |
---|
505 | |
---|
506 | ! |
---|
507 | !-- Transpose array |
---|
508 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
509 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
510 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
---|
511 | work(1), sendrecvcount_zx, MPI_REAL, & |
---|
512 | comm1dx, ierr ) |
---|
513 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
514 | |
---|
515 | ! |
---|
516 | !-- Reorder transposed array |
---|
517 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, xs ) |
---|
518 | !$OMP DO |
---|
519 | DO l = 0, pdims(1) - 1 |
---|
520 | m = l * ( nzt_xa - nzb_x + 1 ) * nnx * ( nyn_xa - nys_x + 1 ) |
---|
521 | xs = 0 + l * nnx |
---|
522 | DO k = nzb_x, nzt_xa |
---|
523 | DO i = xs, xs + nnx - 1 |
---|
524 | DO j = nys_x, nyn_xa |
---|
525 | m = m + 1 |
---|
526 | f_out(i,j,k) = work(m) |
---|
527 | ENDDO |
---|
528 | ENDDO |
---|
529 | ENDDO |
---|
530 | ENDDO |
---|
531 | !$OMP END PARALLEL |
---|
532 | |
---|
533 | #endif |
---|
534 | |
---|
535 | END SUBROUTINE transpose_zx |
---|
536 | |
---|
537 | |
---|
538 | SUBROUTINE transpose_zy( f_in, work, f_out ) |
---|
539 | |
---|
540 | !------------------------------------------------------------------------------! |
---|
541 | ! Description: |
---|
542 | ! ------------ |
---|
543 | ! Transposition of input array (f_in) from z to y. For the input array, all |
---|
544 | ! elements along z reside on the same PE, while after transposition, all |
---|
545 | ! elements along y reside on the same PE. |
---|
546 | !------------------------------------------------------------------------------! |
---|
547 | |
---|
548 | USE cpulog |
---|
549 | USE indices |
---|
550 | USE interfaces |
---|
551 | USE pegrid |
---|
552 | USE transpose_indices |
---|
553 | |
---|
554 | IMPLICIT NONE |
---|
555 | |
---|
556 | INTEGER :: i, j, k, l, m, zs |
---|
557 | |
---|
558 | REAL :: f_in(nxl_z:nxr_za,nys_z:nyn_za,1:nza), & |
---|
559 | f_inv(nxl_y:nxr_ya,nzb_y:nzt_ya,0:nya), & |
---|
560 | f_out(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
---|
561 | work(nnx*nny*nnz) |
---|
562 | |
---|
563 | #if defined( __parallel ) |
---|
564 | |
---|
565 | ! |
---|
566 | !-- If the PE grid is one-dimensional along y, the array has only to be |
---|
567 | !-- reordered locally and therefore no transposition has to be done. |
---|
568 | IF ( pdims(1) /= 1 ) THEN |
---|
569 | ! |
---|
570 | !-- Reorder input array for transposition |
---|
571 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, zs ) |
---|
572 | !$OMP DO |
---|
573 | DO l = 0, pdims(1) - 1 |
---|
574 | m = l * ( nyn_za - nys_z + 1 ) * ( nzt_ya - nzb_y + 1 ) * & |
---|
575 | ( nxr_za - nxl_z + 1 ) |
---|
576 | zs = 1 + l * ( nzt_ya - nzb_y + 1 ) |
---|
577 | DO j = nys_z, nyn_za |
---|
578 | DO k = zs, zs + nzt_ya - nzb_y |
---|
579 | DO i = nxl_z, nxr_za |
---|
580 | m = m + 1 |
---|
581 | work(m) = f_in(i,j,k) |
---|
582 | ENDDO |
---|
583 | ENDDO |
---|
584 | ENDDO |
---|
585 | ENDDO |
---|
586 | !$OMP END PARALLEL |
---|
587 | |
---|
588 | ! |
---|
589 | !-- Transpose array |
---|
590 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
591 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
592 | CALL MPI_ALLTOALL( work(1), sendrecvcount_yz, MPI_REAL, & |
---|
593 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
---|
594 | comm1dx, ierr ) |
---|
595 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
596 | |
---|
597 | ! |
---|
598 | !-- Reorder transposed array in a way that the y index is in first position |
---|
599 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
600 | !$OMP DO |
---|
601 | DO j = 0, nya |
---|
602 | DO k = nzb_y, nzt_ya |
---|
603 | DO i = nxl_y, nxr_ya |
---|
604 | f_out(j,i,k) = f_inv(i,k,j) |
---|
605 | ENDDO |
---|
606 | ENDDO |
---|
607 | ENDDO |
---|
608 | !$OMP END PARALLEL |
---|
609 | ELSE |
---|
610 | ! |
---|
611 | !-- Reorder the array in a way that the y index is in first position |
---|
612 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
613 | !$OMP DO |
---|
614 | DO k = nzb_y, nzt_ya |
---|
615 | DO j = 0, nya |
---|
616 | DO i = nxl_y, nxr_ya |
---|
617 | f_inv(i,k,j) = f_in(i,j,k) |
---|
618 | ENDDO |
---|
619 | ENDDO |
---|
620 | ENDDO |
---|
621 | !$OMP END PARALLEL |
---|
622 | ! |
---|
623 | !-- Move data to output array |
---|
624 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
625 | !$OMP DO |
---|
626 | DO k = nzb_y, nzt_ya |
---|
627 | DO i = nxl_y, nxr_ya |
---|
628 | DO j = 0, nya |
---|
629 | f_out(j,i,k) = f_inv(i,k,j) |
---|
630 | ENDDO |
---|
631 | ENDDO |
---|
632 | ENDDO |
---|
633 | !$OMP END PARALLEL |
---|
634 | |
---|
635 | ENDIF |
---|
636 | |
---|
637 | #endif |
---|
638 | |
---|
639 | END SUBROUTINE transpose_zy |
---|
640 | |
---|
641 | |
---|
642 | SUBROUTINE transpose_zyd( f_in, work, f_out ) |
---|
643 | |
---|
644 | !------------------------------------------------------------------------------! |
---|
645 | ! Description: |
---|
646 | ! ------------ |
---|
647 | ! Transposition of input array (f_in) from z to y. For the input array, all |
---|
648 | ! elements along z reside on the same PE, while after transposition, all |
---|
649 | ! elements along y reside on the same PE. |
---|
650 | ! This is a direct transposition for arrays with indices in regular order |
---|
651 | ! (k,j,i) (cf. transpose_zy). |
---|
652 | !------------------------------------------------------------------------------! |
---|
653 | |
---|
654 | USE cpulog |
---|
655 | USE indices |
---|
656 | USE interfaces |
---|
657 | USE pegrid |
---|
658 | USE transpose_indices |
---|
659 | |
---|
660 | IMPLICIT NONE |
---|
661 | |
---|
662 | INTEGER :: i, j, k, l, m, ys |
---|
663 | |
---|
664 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nys:nyna,nxl:nxra,1:nza), & |
---|
665 | f_out(0:nya,nxl_yd:nxr_yda,nzb_yd:nzt_yda), & |
---|
666 | work(nnx*nny*nnz) |
---|
667 | |
---|
668 | #if defined( __parallel ) |
---|
669 | |
---|
670 | ! |
---|
671 | !-- Rearrange indices of input array in order to make data to be send |
---|
672 | !-- by MPI contiguous |
---|
673 | DO i = nxl, nxra |
---|
674 | DO j = nys, nyna |
---|
675 | DO k = 1, nza |
---|
676 | f_inv(j,i,k) = f_in(k,j,i) |
---|
677 | ENDDO |
---|
678 | ENDDO |
---|
679 | ENDDO |
---|
680 | |
---|
681 | ! |
---|
682 | !-- Move data to different array, because memory location of work1 is |
---|
683 | !-- needed further below (work1 = work2). |
---|
684 | !-- If the PE grid is one-dimensional along x, only local reordering |
---|
685 | !-- of the data is necessary and no transposition has to be done. |
---|
686 | IF ( pdims(2) == 1 ) THEN |
---|
687 | DO k = 1, nza |
---|
688 | DO i = nxl, nxra |
---|
689 | DO j = nys, nyna |
---|
690 | f_out(j,i,k) = f_inv(j,i,k) |
---|
691 | ENDDO |
---|
692 | ENDDO |
---|
693 | ENDDO |
---|
694 | RETURN |
---|
695 | ENDIF |
---|
696 | |
---|
697 | ! |
---|
698 | !-- Transpose array |
---|
699 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
700 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
701 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
---|
702 | work(1), sendrecvcount_zyd, MPI_REAL, & |
---|
703 | comm1dy, ierr ) |
---|
704 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
705 | |
---|
706 | ! |
---|
707 | !-- Reorder transposed array |
---|
708 | m = 0 |
---|
709 | DO l = 0, pdims(2) - 1 |
---|
710 | ys = 0 + l * nny |
---|
711 | DO k = nzb_yd, nzt_yda |
---|
712 | DO i = nxl_yd, nxr_yda |
---|
713 | DO j = ys, ys + nny - 1 |
---|
714 | m = m + 1 |
---|
715 | f_out(j,i,k) = work(m) |
---|
716 | ENDDO |
---|
717 | ENDDO |
---|
718 | ENDDO |
---|
719 | ENDDO |
---|
720 | |
---|
721 | #endif |
---|
722 | |
---|
723 | END SUBROUTINE transpose_zyd |
---|