| 1 | SUBROUTINE transpose_xy( f_in, work, f_out ) |
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| 2 | |
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| 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2012 Leibniz University Hannover |
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| 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ----------------- |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: transpose.f90 1037 2012-10-22 14:10:22Z maronga $ |
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| 27 | ! |
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| 28 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 29 | ! code put under GPL (PALM 3.9) |
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| 30 | ! |
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| 31 | ! 1003 2012-09-14 14:35:53Z raasch |
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| 32 | ! indices nxa, nya, etc. replaced by nx, ny, etc. |
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| 33 | ! |
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| 34 | ! 683 2011-02-09 14:25:15Z raasch |
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| 35 | ! openMP parallelization of transpositions for 2d-domain-decomposition |
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| 36 | ! |
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| 37 | ! 622 2010-12-10 08:08:13Z raasch |
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| 38 | ! optional barriers included in order to speed up collective operations |
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| 39 | ! |
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| 40 | ! 164 2008-05-15 08:46:15Z raasch |
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| 41 | ! f_inv changed from subroutine argument to automatic array in order to do |
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| 42 | ! re-ordering from f_in to f_inv in one step, one array work is needed instead |
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| 43 | ! of work1 and work2 |
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| 44 | ! |
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| 45 | ! February 2007 |
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| 46 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 47 | ! |
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| 48 | ! Revision 1.2 2004/04/30 13:12:17 raasch |
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| 49 | ! Switched from mpi_alltoallv to the simpler mpi_alltoall, |
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| 50 | ! all former transpose-routine files collected in this file, enlarged |
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| 51 | ! transposition arrays introduced |
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| 52 | ! |
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| 53 | ! Revision 1.1 2004/04/30 13:08:16 raasch |
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| 54 | ! Initial revision (collection of former routines transpose_xy, transpose_xz, |
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| 55 | ! transpose_yx, transpose_yz, transpose_zx, transpose_zy) |
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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 | ! Transposition of input array (f_in) from x to y. For the input array, all |
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| 64 | ! elements along x reside on the same PE, while after transposition, all |
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| 65 | ! elements along y reside on the same PE. |
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| 66 | !------------------------------------------------------------------------------! |
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| 67 | |
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| 68 | USE cpulog |
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| 69 | USE indices |
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| 70 | USE interfaces |
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| 71 | USE pegrid |
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| 72 | USE transpose_indices |
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| 73 | |
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| 74 | IMPLICIT NONE |
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| 75 | |
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| 76 | INTEGER :: i, j, k, l, m, ys |
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| 77 | |
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| 78 | REAL :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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| 79 | f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx), & |
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| 80 | f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), & |
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| 81 | work(nnx*nny*nnz) |
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| 82 | |
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| 83 | #if defined( __parallel ) |
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| 84 | |
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| 85 | ! |
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| 86 | !-- Rearrange indices of input array in order to make data to be send |
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| 87 | !-- by MPI contiguous |
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| 88 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 89 | !$OMP DO |
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| 90 | DO i = 0, nx |
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| 91 | DO k = nzb_x, nzt_x |
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| 92 | DO j = nys_x, nyn_x |
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| 93 | f_inv(j,k,i) = f_in(i,j,k) |
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| 94 | ENDDO |
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| 95 | ENDDO |
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| 96 | ENDDO |
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| 97 | !$OMP END PARALLEL |
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| 98 | |
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| 99 | ! |
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| 100 | !-- Transpose array |
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| 101 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 102 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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| 103 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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| 104 | work(1), sendrecvcount_xy, MPI_REAL, & |
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| 105 | comm1dy, ierr ) |
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| 106 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 107 | |
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| 108 | ! |
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| 109 | !-- Reorder transposed array |
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| 110 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, ys ) |
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| 111 | !$OMP DO |
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| 112 | DO l = 0, pdims(2) - 1 |
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| 113 | m = l * ( nxr_y - nxl_y + 1 ) * ( nzt_y - nzb_y + 1 ) * & |
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| 114 | ( nyn_x - nys_x + 1 ) |
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| 115 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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| 116 | DO i = nxl_y, nxr_y |
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| 117 | DO k = nzb_y, nzt_y |
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| 118 | DO j = ys, ys + nyn_x - nys_x |
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| 119 | m = m + 1 |
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| 120 | f_out(j,i,k) = work(m) |
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| 121 | ENDDO |
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| 122 | ENDDO |
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| 123 | ENDDO |
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| 124 | ENDDO |
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| 125 | !$OMP END PARALLEL |
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| 126 | |
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| 127 | #endif |
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| 128 | |
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| 129 | END SUBROUTINE transpose_xy |
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| 130 | |
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| 131 | |
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| 132 | SUBROUTINE transpose_xz( f_in, work, f_out ) |
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| 133 | |
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| 134 | !------------------------------------------------------------------------------! |
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| 135 | ! Description: |
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| 136 | ! ------------ |
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| 137 | ! Transposition of input array (f_in) from x to z. For the input array, all |
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| 138 | ! elements along x reside on the same PE, while after transposition, all |
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| 139 | ! elements along z reside on the same PE. |
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| 140 | !------------------------------------------------------------------------------! |
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| 141 | |
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| 142 | USE cpulog |
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| 143 | USE indices |
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| 144 | USE interfaces |
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| 145 | USE pegrid |
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| 146 | USE transpose_indices |
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| 147 | |
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| 148 | IMPLICIT NONE |
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| 149 | |
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| 150 | INTEGER :: i, j, k, l, m, xs |
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| 151 | |
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| 152 | REAL :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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| 153 | f_inv(nys:nyn,nxl:nxr,1:nz), & |
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| 154 | f_out(1:nz,nys:nyn,nxl:nxr), & |
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| 155 | work(nnx*nny*nnz) |
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| 156 | |
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| 157 | #if defined( __parallel ) |
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| 158 | |
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| 159 | ! |
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| 160 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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| 161 | !-- reordered locally and therefore no transposition has to be done. |
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| 162 | IF ( pdims(1) /= 1 ) THEN |
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| 163 | ! |
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| 164 | !-- Reorder input array for transposition |
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| 165 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, xs ) |
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| 166 | !$OMP DO |
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| 167 | DO l = 0, pdims(1) - 1 |
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| 168 | m = l * ( nzt_x - nzb_x + 1 ) * nnx * ( nyn_x - nys_x + 1 ) |
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| 169 | xs = 0 + l * nnx |
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| 170 | DO k = nzb_x, nzt_x |
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| 171 | DO i = xs, xs + nnx - 1 |
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| 172 | DO j = nys_x, nyn_x |
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| 173 | m = m + 1 |
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| 174 | work(m) = f_in(i,j,k) |
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| 175 | ENDDO |
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| 176 | ENDDO |
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| 177 | ENDDO |
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| 178 | ENDDO |
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| 179 | !$OMP END PARALLEL |
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| 180 | |
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| 181 | ! |
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| 182 | !-- Transpose array |
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| 183 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 184 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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| 185 | CALL MPI_ALLTOALL( work(1), sendrecvcount_zx, MPI_REAL, & |
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| 186 | f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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| 187 | comm1dx, ierr ) |
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| 188 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 189 | |
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| 190 | ! |
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| 191 | !-- Reorder transposed array in a way that the z index is in first position |
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| 192 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 193 | !$OMP DO |
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| 194 | DO k = 1, nz |
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| 195 | DO i = nxl, nxr |
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| 196 | DO j = nys, nyn |
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| 197 | f_out(k,j,i) = f_inv(j,i,k) |
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| 198 | ENDDO |
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| 199 | ENDDO |
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| 200 | ENDDO |
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| 201 | !$OMP END PARALLEL |
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| 202 | ELSE |
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| 203 | ! |
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| 204 | !-- Reorder the array in a way that the z index is in first position |
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| 205 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 206 | !$OMP DO |
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| 207 | DO i = nxl, nxr |
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| 208 | DO j = nys, nyn |
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| 209 | DO k = 1, nz |
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| 210 | f_inv(j,i,k) = f_in(i,j,k) |
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| 211 | ENDDO |
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| 212 | ENDDO |
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| 213 | ENDDO |
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| 214 | !$OMP END PARALLEL |
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| 215 | |
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| 216 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 217 | !$OMP DO |
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| 218 | DO k = 1, nz |
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| 219 | DO i = nxl, nxr |
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| 220 | DO j = nys, nyn |
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| 221 | f_out(k,j,i) = f_inv(j,i,k) |
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| 222 | ENDDO |
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| 223 | ENDDO |
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| 224 | ENDDO |
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| 225 | !$OMP END PARALLEL |
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| 226 | |
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| 227 | ENDIF |
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| 228 | |
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| 229 | |
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| 230 | #endif |
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| 231 | |
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| 232 | END SUBROUTINE transpose_xz |
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| 233 | |
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| 234 | |
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| 235 | SUBROUTINE transpose_yx( f_in, work, f_out ) |
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| 236 | |
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| 237 | !------------------------------------------------------------------------------! |
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| 238 | ! Description: |
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| 239 | ! ------------ |
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| 240 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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| 241 | ! elements along y reside on the same PE, while after transposition, all |
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| 242 | ! elements along x reside on the same PE. |
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| 243 | !------------------------------------------------------------------------------! |
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| 244 | |
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| 245 | USE cpulog |
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| 246 | USE indices |
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| 247 | USE interfaces |
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| 248 | USE pegrid |
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| 249 | USE transpose_indices |
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| 250 | |
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| 251 | IMPLICIT NONE |
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| 252 | |
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| 253 | INTEGER :: i, j, k, l, m, ys |
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| 254 | |
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| 255 | REAL :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), & |
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| 256 | f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx), & |
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| 257 | f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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| 258 | work(nnx*nny*nnz) |
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| 259 | |
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| 260 | #if defined( __parallel ) |
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| 261 | |
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| 262 | ! |
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| 263 | !-- Reorder input array for transposition |
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| 264 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, ys ) |
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| 265 | !$OMP DO |
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| 266 | DO l = 0, pdims(2) - 1 |
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| 267 | m = l * ( nxr_y - nxl_y + 1 ) * ( nzt_y - nzb_y + 1 ) * & |
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| 268 | ( nyn_x - nys_x + 1 ) |
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| 269 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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| 270 | DO i = nxl_y, nxr_y |
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| 271 | DO k = nzb_y, nzt_y |
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| 272 | DO j = ys, ys + nyn_x - nys_x |
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| 273 | m = m + 1 |
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| 274 | work(m) = f_in(j,i,k) |
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| 275 | ENDDO |
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| 276 | ENDDO |
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| 277 | ENDDO |
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| 278 | ENDDO |
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| 279 | !$OMP END PARALLEL |
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| 280 | |
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| 281 | ! |
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| 282 | !-- Transpose array |
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| 283 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 284 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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| 285 | CALL MPI_ALLTOALL( work(1), sendrecvcount_xy, MPI_REAL, & |
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| 286 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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| 287 | comm1dy, ierr ) |
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| 288 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 289 | |
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| 290 | ! |
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| 291 | !-- Reorder transposed array in a way that the x index is in first position |
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| 292 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 293 | !$OMP DO |
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| 294 | DO i = 0, nx |
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| 295 | DO k = nzb_x, nzt_x |
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| 296 | DO j = nys_x, nyn_x |
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| 297 | f_out(i,j,k) = f_inv(j,k,i) |
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| 298 | ENDDO |
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| 299 | ENDDO |
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| 300 | ENDDO |
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| 301 | !$OMP END PARALLEL |
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| 302 | |
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| 303 | #endif |
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| 304 | |
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| 305 | END SUBROUTINE transpose_yx |
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| 306 | |
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| 307 | |
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| 308 | SUBROUTINE transpose_yxd( f_in, work, f_out ) |
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| 309 | |
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| 310 | !------------------------------------------------------------------------------! |
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| 311 | ! Description: |
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| 312 | ! ------------ |
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| 313 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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| 314 | ! elements along y reside on the same PE, while after transposition, all |
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| 315 | ! elements along x reside on the same PE. |
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| 316 | ! This is a direct transposition for arrays with indices in regular order |
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| 317 | ! (k,j,i) (cf. transpose_yx). |
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| 318 | !------------------------------------------------------------------------------! |
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| 319 | |
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| 320 | USE cpulog |
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| 321 | USE indices |
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| 322 | USE interfaces |
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| 323 | USE pegrid |
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| 324 | USE transpose_indices |
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| 325 | |
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| 326 | IMPLICIT NONE |
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| 327 | |
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| 328 | INTEGER :: i, j, k, l, m, recvcount_yx, sendcount_yx, xs |
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| 329 | |
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| 330 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nxl:nxr,1:nz,nys:nyn), & |
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| 331 | f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
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| 332 | work(nnx*nny*nnz) |
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| 333 | |
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| 334 | #if defined( __parallel ) |
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| 335 | |
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| 336 | ! |
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| 337 | !-- Rearrange indices of input array in order to make data to be send |
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| 338 | !-- by MPI contiguous |
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| 339 | DO k = 1, nz |
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| 340 | DO j = nys, nyn |
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| 341 | DO i = nxl, nxr |
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| 342 | f_inv(i,k,j) = f_in(k,j,i) |
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| 343 | ENDDO |
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| 344 | ENDDO |
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| 345 | ENDDO |
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| 346 | |
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| 347 | ! |
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| 348 | !-- Transpose array |
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| 349 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 350 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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| 351 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
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| 352 | work(1), sendrecvcount_xy, MPI_REAL, & |
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| 353 | comm1dx, ierr ) |
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| 354 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 355 | |
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| 356 | ! |
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| 357 | !-- Reorder transposed array |
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| 358 | m = 0 |
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| 359 | DO l = 0, pdims(1) - 1 |
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| 360 | xs = 0 + l * nnx |
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| 361 | DO j = nys_x, nyn_x |
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| 362 | DO k = 1, nz |
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| 363 | DO i = xs, xs + nnx - 1 |
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| 364 | m = m + 1 |
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| 365 | f_out(i,j,k) = work(m) |
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| 366 | ENDDO |
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| 367 | ENDDO |
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| 368 | ENDDO |
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| 369 | ENDDO |
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| 370 | |
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| 371 | #endif |
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| 372 | |
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| 373 | END SUBROUTINE transpose_yxd |
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| 374 | |
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| 375 | |
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| 376 | SUBROUTINE transpose_yz( f_in, work, f_out ) |
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| 377 | |
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| 378 | !------------------------------------------------------------------------------! |
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| 379 | ! Description: |
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| 380 | ! ------------ |
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| 381 | ! Transposition of input array (f_in) from y to z. For the input array, all |
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| 382 | ! elements along y reside on the same PE, while after transposition, all |
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| 383 | ! elements along z reside on the same PE. |
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| 384 | !------------------------------------------------------------------------------! |
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| 385 | |
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| 386 | USE cpulog |
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| 387 | USE indices |
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| 388 | USE interfaces |
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| 389 | USE pegrid |
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| 390 | USE transpose_indices |
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| 391 | |
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| 392 | IMPLICIT NONE |
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| 393 | |
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| 394 | INTEGER :: i, j, k, l, m, zs |
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| 395 | |
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| 396 | REAL :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), & |
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| 397 | f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny), & |
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| 398 | f_out(nxl_z:nxr_z,nys_z:nyn_z,1:nz), & |
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| 399 | work(nnx*nny*nnz) |
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| 400 | |
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| 401 | #if defined( __parallel ) |
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| 402 | |
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| 403 | ! |
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| 404 | !-- Rearrange indices of input array in order to make data to be send |
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| 405 | !-- by MPI contiguous |
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| 406 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 407 | !$OMP DO |
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| 408 | DO j = 0, ny |
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| 409 | DO k = nzb_y, nzt_y |
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| 410 | DO i = nxl_y, nxr_y |
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| 411 | f_inv(i,k,j) = f_in(j,i,k) |
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| 412 | ENDDO |
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| 413 | ENDDO |
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| 414 | ENDDO |
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| 415 | !$OMP END PARALLEL |
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| 416 | |
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| 417 | ! |
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| 418 | !-- Move data to different array, because memory location of work1 is |
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| 419 | !-- needed further below (work1 = work2). |
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| 420 | !-- If the PE grid is one-dimensional along y, only local reordering |
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| 421 | !-- of the data is necessary and no transposition has to be done. |
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| 422 | IF ( pdims(1) == 1 ) THEN |
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| 423 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 424 | !$OMP DO |
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| 425 | DO j = 0, ny |
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| 426 | DO k = nzb_y, nzt_y |
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| 427 | DO i = nxl_y, nxr_y |
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| 428 | f_out(i,j,k) = f_inv(i,k,j) |
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| 429 | ENDDO |
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| 430 | ENDDO |
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| 431 | ENDDO |
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| 432 | !$OMP END PARALLEL |
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| 433 | RETURN |
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| 434 | ENDIF |
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| 435 | |
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| 436 | ! |
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| 437 | !-- Transpose array |
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| 438 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
|---|
| 439 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
|---|
| 440 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
|---|
| 441 | work(1), sendrecvcount_yz, MPI_REAL, & |
|---|
| 442 | comm1dx, ierr ) |
|---|
| 443 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
|---|
| 444 | |
|---|
| 445 | ! |
|---|
| 446 | !-- Reorder transposed array |
|---|
| 447 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, zs ) |
|---|
| 448 | !$OMP DO |
|---|
| 449 | DO l = 0, pdims(1) - 1 |
|---|
| 450 | m = l * ( nyn_z - nys_z + 1 ) * ( nzt_y - nzb_y + 1 ) * & |
|---|
| 451 | ( nxr_z - nxl_z + 1 ) |
|---|
| 452 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
|---|
| 453 | DO j = nys_z, nyn_z |
|---|
| 454 | DO k = zs, zs + nzt_y - nzb_y |
|---|
| 455 | DO i = nxl_z, nxr_z |
|---|
| 456 | m = m + 1 |
|---|
| 457 | f_out(i,j,k) = work(m) |
|---|
| 458 | ENDDO |
|---|
| 459 | ENDDO |
|---|
| 460 | ENDDO |
|---|
| 461 | ENDDO |
|---|
| 462 | !$OMP END PARALLEL |
|---|
| 463 | |
|---|
| 464 | #endif |
|---|
| 465 | |
|---|
| 466 | END SUBROUTINE transpose_yz |
|---|
| 467 | |
|---|
| 468 | |
|---|
| 469 | SUBROUTINE transpose_zx( f_in, work, f_out ) |
|---|
| 470 | |
|---|
| 471 | !------------------------------------------------------------------------------! |
|---|
| 472 | ! Description: |
|---|
| 473 | ! ------------ |
|---|
| 474 | ! Transposition of input array (f_in) from z to x. For the input array, all |
|---|
| 475 | ! elements along z reside on the same PE, while after transposition, all |
|---|
| 476 | ! elements along x reside on the same PE. |
|---|
| 477 | !------------------------------------------------------------------------------! |
|---|
| 478 | |
|---|
| 479 | USE cpulog |
|---|
| 480 | USE indices |
|---|
| 481 | USE interfaces |
|---|
| 482 | USE pegrid |
|---|
| 483 | USE transpose_indices |
|---|
| 484 | |
|---|
| 485 | IMPLICIT NONE |
|---|
| 486 | |
|---|
| 487 | INTEGER :: i, j, k, l, m, xs |
|---|
| 488 | |
|---|
| 489 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nys:nyn,nxl:nxr,1:nz), & |
|---|
| 490 | f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
|---|
| 491 | work(nnx*nny*nnz) |
|---|
| 492 | |
|---|
| 493 | #if defined( __parallel ) |
|---|
| 494 | |
|---|
| 495 | ! |
|---|
| 496 | !-- Rearrange indices of input array in order to make data to be send |
|---|
| 497 | !-- by MPI contiguous |
|---|
| 498 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
|---|
| 499 | !$OMP DO |
|---|
| 500 | DO k = 1,nz |
|---|
| 501 | DO i = nxl, nxr |
|---|
| 502 | DO j = nys, nyn |
|---|
| 503 | f_inv(j,i,k) = f_in(k,j,i) |
|---|
| 504 | ENDDO |
|---|
| 505 | ENDDO |
|---|
| 506 | ENDDO |
|---|
| 507 | !$OMP END PARALLEL |
|---|
| 508 | |
|---|
| 509 | ! |
|---|
| 510 | !-- Move data to different array, because memory location of work1 is |
|---|
| 511 | !-- needed further below (work1 = work2). |
|---|
| 512 | !-- If the PE grid is one-dimensional along y, only local reordering |
|---|
| 513 | !-- of the data is necessary and no transposition has to be done. |
|---|
| 514 | IF ( pdims(1) == 1 ) THEN |
|---|
| 515 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
|---|
| 516 | !$OMP DO |
|---|
| 517 | DO k = 1, nz |
|---|
| 518 | DO i = nxl, nxr |
|---|
| 519 | DO j = nys, nyn |
|---|
| 520 | f_out(i,j,k) = f_inv(j,i,k) |
|---|
| 521 | ENDDO |
|---|
| 522 | ENDDO |
|---|
| 523 | ENDDO |
|---|
| 524 | !$OMP END PARALLEL |
|---|
| 525 | RETURN |
|---|
| 526 | ENDIF |
|---|
| 527 | |
|---|
| 528 | ! |
|---|
| 529 | !-- Transpose array |
|---|
| 530 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
|---|
| 531 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
|---|
| 532 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
|---|
| 533 | work(1), sendrecvcount_zx, MPI_REAL, & |
|---|
| 534 | comm1dx, ierr ) |
|---|
| 535 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
|---|
| 536 | |
|---|
| 537 | ! |
|---|
| 538 | !-- Reorder transposed array |
|---|
| 539 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, xs ) |
|---|
| 540 | !$OMP DO |
|---|
| 541 | DO l = 0, pdims(1) - 1 |
|---|
| 542 | m = l * ( nzt_x - nzb_x + 1 ) * nnx * ( nyn_x - nys_x + 1 ) |
|---|
| 543 | xs = 0 + l * nnx |
|---|
| 544 | DO k = nzb_x, nzt_x |
|---|
| 545 | DO i = xs, xs + nnx - 1 |
|---|
| 546 | DO j = nys_x, nyn_x |
|---|
| 547 | m = m + 1 |
|---|
| 548 | f_out(i,j,k) = work(m) |
|---|
| 549 | ENDDO |
|---|
| 550 | ENDDO |
|---|
| 551 | ENDDO |
|---|
| 552 | ENDDO |
|---|
| 553 | !$OMP END PARALLEL |
|---|
| 554 | |
|---|
| 555 | #endif |
|---|
| 556 | |
|---|
| 557 | END SUBROUTINE transpose_zx |
|---|
| 558 | |
|---|
| 559 | |
|---|
| 560 | SUBROUTINE transpose_zy( f_in, work, f_out ) |
|---|
| 561 | |
|---|
| 562 | !------------------------------------------------------------------------------! |
|---|
| 563 | ! Description: |
|---|
| 564 | ! ------------ |
|---|
| 565 | ! Transposition of input array (f_in) from z to y. For the input array, all |
|---|
| 566 | ! elements along z reside on the same PE, while after transposition, all |
|---|
| 567 | ! elements along y reside on the same PE. |
|---|
| 568 | !------------------------------------------------------------------------------! |
|---|
| 569 | |
|---|
| 570 | USE cpulog |
|---|
| 571 | USE indices |
|---|
| 572 | USE interfaces |
|---|
| 573 | USE pegrid |
|---|
| 574 | USE transpose_indices |
|---|
| 575 | |
|---|
| 576 | IMPLICIT NONE |
|---|
| 577 | |
|---|
| 578 | INTEGER :: i, j, k, l, m, zs |
|---|
| 579 | |
|---|
| 580 | REAL :: f_in(nxl_z:nxr_z,nys_z:nyn_z,1:nz), & |
|---|
| 581 | f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny), & |
|---|
| 582 | f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), & |
|---|
| 583 | work(nnx*nny*nnz) |
|---|
| 584 | |
|---|
| 585 | #if defined( __parallel ) |
|---|
| 586 | |
|---|
| 587 | ! |
|---|
| 588 | !-- If the PE grid is one-dimensional along y, the array has only to be |
|---|
| 589 | !-- reordered locally and therefore no transposition has to be done. |
|---|
| 590 | IF ( pdims(1) /= 1 ) THEN |
|---|
| 591 | ! |
|---|
| 592 | !-- Reorder input array for transposition |
|---|
| 593 | !$OMP PARALLEL PRIVATE ( i, j, k, l, m, zs ) |
|---|
| 594 | !$OMP DO |
|---|
| 595 | DO l = 0, pdims(1) - 1 |
|---|
| 596 | m = l * ( nyn_z - nys_z + 1 ) * ( nzt_y - nzb_y + 1 ) * & |
|---|
| 597 | ( nxr_z - nxl_z + 1 ) |
|---|
| 598 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
|---|
| 599 | DO j = nys_z, nyn_z |
|---|
| 600 | DO k = zs, zs + nzt_y - nzb_y |
|---|
| 601 | DO i = nxl_z, nxr_z |
|---|
| 602 | m = m + 1 |
|---|
| 603 | work(m) = f_in(i,j,k) |
|---|
| 604 | ENDDO |
|---|
| 605 | ENDDO |
|---|
| 606 | ENDDO |
|---|
| 607 | ENDDO |
|---|
| 608 | !$OMP END PARALLEL |
|---|
| 609 | |
|---|
| 610 | ! |
|---|
| 611 | !-- Transpose array |
|---|
| 612 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
|---|
| 613 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
|---|
| 614 | CALL MPI_ALLTOALL( work(1), sendrecvcount_yz, MPI_REAL, & |
|---|
| 615 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
|---|
| 616 | comm1dx, ierr ) |
|---|
| 617 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
|---|
| 618 | |
|---|
| 619 | ! |
|---|
| 620 | !-- Reorder transposed array in a way that the y index is in first position |
|---|
| 621 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
|---|
| 622 | !$OMP DO |
|---|
| 623 | DO j = 0, ny |
|---|
| 624 | DO k = nzb_y, nzt_y |
|---|
| 625 | DO i = nxl_y, nxr_y |
|---|
| 626 | f_out(j,i,k) = f_inv(i,k,j) |
|---|
| 627 | ENDDO |
|---|
| 628 | ENDDO |
|---|
| 629 | ENDDO |
|---|
| 630 | !$OMP END PARALLEL |
|---|
| 631 | ELSE |
|---|
| 632 | ! |
|---|
| 633 | !-- Reorder the array in a way that the y index is in first position |
|---|
| 634 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
|---|
| 635 | !$OMP DO |
|---|
| 636 | DO k = nzb_y, nzt_y |
|---|
| 637 | DO j = 0, ny |
|---|
| 638 | DO i = nxl_y, nxr_y |
|---|
| 639 | f_inv(i,k,j) = f_in(i,j,k) |
|---|
| 640 | ENDDO |
|---|
| 641 | ENDDO |
|---|
| 642 | ENDDO |
|---|
| 643 | !$OMP END PARALLEL |
|---|
| 644 | ! |
|---|
| 645 | !-- Move data to output array |
|---|
| 646 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
|---|
| 647 | !$OMP DO |
|---|
| 648 | DO k = nzb_y, nzt_y |
|---|
| 649 | DO i = nxl_y, nxr_y |
|---|
| 650 | DO j = 0, ny |
|---|
| 651 | f_out(j,i,k) = f_inv(i,k,j) |
|---|
| 652 | ENDDO |
|---|
| 653 | ENDDO |
|---|
| 654 | ENDDO |
|---|
| 655 | !$OMP END PARALLEL |
|---|
| 656 | |
|---|
| 657 | ENDIF |
|---|
| 658 | |
|---|
| 659 | #endif |
|---|
| 660 | |
|---|
| 661 | END SUBROUTINE transpose_zy |
|---|
| 662 | |
|---|
| 663 | |
|---|
| 664 | SUBROUTINE transpose_zyd( f_in, work, f_out ) |
|---|
| 665 | |
|---|
| 666 | !------------------------------------------------------------------------------! |
|---|
| 667 | ! Description: |
|---|
| 668 | ! ------------ |
|---|
| 669 | ! Transposition of input array (f_in) from z to y. For the input array, all |
|---|
| 670 | ! elements along z reside on the same PE, while after transposition, all |
|---|
| 671 | ! elements along y reside on the same PE. |
|---|
| 672 | ! This is a direct transposition for arrays with indices in regular order |
|---|
| 673 | ! (k,j,i) (cf. transpose_zy). |
|---|
| 674 | !------------------------------------------------------------------------------! |
|---|
| 675 | |
|---|
| 676 | USE cpulog |
|---|
| 677 | USE indices |
|---|
| 678 | USE interfaces |
|---|
| 679 | USE pegrid |
|---|
| 680 | USE transpose_indices |
|---|
| 681 | |
|---|
| 682 | IMPLICIT NONE |
|---|
| 683 | |
|---|
| 684 | INTEGER :: i, j, k, l, m, ys |
|---|
| 685 | |
|---|
| 686 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nys:nyn,nxl:nxr,1:nz), & |
|---|
| 687 | f_out(0:ny,nxl_yd:nxr_yd,nzb_yd:nzt_yd), & |
|---|
| 688 | work(nnx*nny*nnz) |
|---|
| 689 | |
|---|
| 690 | #if defined( __parallel ) |
|---|
| 691 | |
|---|
| 692 | ! |
|---|
| 693 | !-- Rearrange indices of input array in order to make data to be send |
|---|
| 694 | !-- by MPI contiguous |
|---|
| 695 | DO i = nxl, nxr |
|---|
| 696 | DO j = nys, nyn |
|---|
| 697 | DO k = 1, nz |
|---|
| 698 | f_inv(j,i,k) = f_in(k,j,i) |
|---|
| 699 | ENDDO |
|---|
| 700 | ENDDO |
|---|
| 701 | ENDDO |
|---|
| 702 | |
|---|
| 703 | ! |
|---|
| 704 | !-- Move data to different array, because memory location of work1 is |
|---|
| 705 | !-- needed further below (work1 = work2). |
|---|
| 706 | !-- If the PE grid is one-dimensional along x, only local reordering |
|---|
| 707 | !-- of the data is necessary and no transposition has to be done. |
|---|
| 708 | IF ( pdims(2) == 1 ) THEN |
|---|
| 709 | DO k = 1, nz |
|---|
| 710 | DO i = nxl, nxr |
|---|
| 711 | DO j = nys, nyn |
|---|
| 712 | f_out(j,i,k) = f_inv(j,i,k) |
|---|
| 713 | ENDDO |
|---|
| 714 | ENDDO |
|---|
| 715 | ENDDO |
|---|
| 716 | RETURN |
|---|
| 717 | ENDIF |
|---|
| 718 | |
|---|
| 719 | ! |
|---|
| 720 | !-- Transpose array |
|---|
| 721 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
|---|
| 722 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
|---|
| 723 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
|---|
| 724 | work(1), sendrecvcount_zyd, MPI_REAL, & |
|---|
| 725 | comm1dy, ierr ) |
|---|
| 726 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
|---|
| 727 | |
|---|
| 728 | ! |
|---|
| 729 | !-- Reorder transposed array |
|---|
| 730 | m = 0 |
|---|
| 731 | DO l = 0, pdims(2) - 1 |
|---|
| 732 | ys = 0 + l * nny |
|---|
| 733 | DO k = nzb_yd, nzt_yd |
|---|
| 734 | DO i = nxl_yd, nxr_yd |
|---|
| 735 | DO j = ys, ys + nny - 1 |
|---|
| 736 | m = m + 1 |
|---|
| 737 | f_out(j,i,k) = work(m) |
|---|
| 738 | ENDDO |
|---|
| 739 | ENDDO |
|---|
| 740 | ENDDO |
|---|
| 741 | ENDDO |
|---|
| 742 | |
|---|
| 743 | #endif |
|---|
| 744 | |
|---|
| 745 | END SUBROUTINE transpose_zyd |
|---|
