[1216] | 1 | SUBROUTINE resort_for_xy( f_in, f_inv ) |
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[1] | 2 | |
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[1036] | 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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[484] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[1257] | 22 | ! openacc loop and loop vector clauses removed |
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[198] | 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: transpose.f90 1257 2013-11-08 15:18:40Z raasch $ |
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| 27 | ! |
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[1217] | 28 | ! 1216 2013-08-26 09:31:42Z raasch |
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| 29 | ! re-sorting of the transposed / to be transposed arrays moved to separate |
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| 30 | ! routines resort_for_... |
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| 31 | ! |
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[1112] | 32 | ! 1111 2013-03-08 23:54:10Z raasch |
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| 33 | ! openACC directives added, |
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| 34 | ! resorting data from/to work changed, work got 4 dimensions instead of 1 |
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| 35 | ! |
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[1107] | 36 | ! 1106 2013-03-04 05:31:38Z raasch |
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| 37 | ! preprocessor lines rearranged so that routines can also be used in serial |
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| 38 | ! (non-parallel) mode |
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| 39 | ! |
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[1093] | 40 | ! 1092 2013-02-02 11:24:22Z raasch |
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| 41 | ! unused variables removed |
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| 42 | ! |
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[1037] | 43 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 44 | ! code put under GPL (PALM 3.9) |
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| 45 | ! |
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[1004] | 46 | ! 1003 2012-09-14 14:35:53Z raasch |
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| 47 | ! indices nxa, nya, etc. replaced by nx, ny, etc. |
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| 48 | ! |
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[684] | 49 | ! 683 2011-02-09 14:25:15Z raasch |
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| 50 | ! openMP parallelization of transpositions for 2d-domain-decomposition |
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| 51 | ! |
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[623] | 52 | ! 622 2010-12-10 08:08:13Z raasch |
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| 53 | ! optional barriers included in order to speed up collective operations |
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| 54 | ! |
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[198] | 55 | ! 164 2008-05-15 08:46:15Z raasch |
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[164] | 56 | ! f_inv changed from subroutine argument to automatic array in order to do |
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| 57 | ! re-ordering from f_in to f_inv in one step, one array work is needed instead |
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| 58 | ! of work1 and work2 |
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[1] | 59 | ! |
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[198] | 60 | ! February 2007 |
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[3] | 61 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 62 | ! |
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[1] | 63 | ! Revision 1.2 2004/04/30 13:12:17 raasch |
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| 64 | ! Switched from mpi_alltoallv to the simpler mpi_alltoall, |
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| 65 | ! all former transpose-routine files collected in this file, enlarged |
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| 66 | ! transposition arrays introduced |
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| 67 | ! |
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| 68 | ! Revision 1.1 2004/04/30 13:08:16 raasch |
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| 69 | ! Initial revision (collection of former routines transpose_xy, transpose_xz, |
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| 70 | ! transpose_yx, transpose_yz, transpose_zx, transpose_zy) |
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| 71 | ! |
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| 72 | ! Revision 1.1 1997/07/24 11:25:18 raasch |
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| 73 | ! Initial revision |
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| 74 | ! |
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[1216] | 75 | !------------------------------------------------------------------------------! |
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| 76 | ! Description: |
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| 77 | ! ------------ |
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| 78 | ! Resorting data for the transposition from x to y. The transposition itself |
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| 79 | ! is carried out in transpose_xy |
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| 80 | !------------------------------------------------------------------------------! |
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| 81 | |
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| 82 | USE indices |
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| 83 | USE transpose_indices |
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| 84 | |
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| 85 | IMPLICIT NONE |
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| 86 | |
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| 87 | REAL :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x) |
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| 88 | REAL :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) |
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| 89 | |
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| 90 | |
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| 91 | INTEGER :: i, j, k |
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| 92 | |
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[1] | 93 | ! |
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[1216] | 94 | !-- Rearrange indices of input array in order to make data to be send |
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| 95 | !-- by MPI contiguous |
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| 96 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 97 | !$OMP DO |
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| 98 | !$acc kernels present( f_in, f_inv ) |
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| 99 | DO i = 0, nx |
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| 100 | DO k = nzb_x, nzt_x |
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| 101 | DO j = nys_x, nyn_x |
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| 102 | f_inv(j,k,i) = f_in(i,j,k) |
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| 103 | ENDDO |
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| 104 | ENDDO |
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| 105 | ENDDO |
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| 106 | !$acc end kernels |
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| 107 | !$OMP END PARALLEL |
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| 108 | |
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| 109 | END SUBROUTINE resort_for_xy |
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| 110 | |
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| 111 | |
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| 112 | SUBROUTINE transpose_xy( f_inv, f_out ) |
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| 113 | |
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| 114 | !------------------------------------------------------------------------------! |
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[1] | 115 | ! Description: |
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| 116 | ! ------------ |
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| 117 | ! Transposition of input array (f_in) from x to y. For the input array, all |
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| 118 | ! elements along x reside on the same PE, while after transposition, all |
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| 119 | ! elements along y reside on the same PE. |
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| 120 | !------------------------------------------------------------------------------! |
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| 121 | |
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| 122 | USE cpulog |
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| 123 | USE indices |
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| 124 | USE interfaces |
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| 125 | USE pegrid |
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| 126 | USE transpose_indices |
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| 127 | |
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| 128 | IMPLICIT NONE |
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| 129 | |
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[1111] | 130 | INTEGER :: i, j, k, l, ys |
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[1] | 131 | |
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[1216] | 132 | REAL :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx), f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) |
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[1] | 133 | |
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[1111] | 134 | REAL, DIMENSION(nyn_x-nys_x+1,nzb_y:nzt_y,nxl_y:nxr_y,0:pdims(2)-1) :: work |
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| 135 | |
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| 136 | |
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[1106] | 137 | IF ( numprocs /= 1 ) THEN |
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| 138 | |
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| 139 | #if defined( __parallel ) |
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[1] | 140 | ! |
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[1106] | 141 | !-- Transpose array |
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| 142 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 143 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1111] | 144 | !$acc update host( f_inv ) |
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| 145 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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| 146 | work(1,nzb_y,nxl_y,0), sendrecvcount_xy, MPI_REAL, & |
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[1106] | 147 | comm1dy, ierr ) |
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| 148 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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[1] | 149 | |
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| 150 | ! |
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[1106] | 151 | !-- Reorder transposed array |
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[1111] | 152 | !$OMP PARALLEL PRIVATE ( i, j, k, l, ys ) |
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[683] | 153 | !$OMP DO |
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[1216] | 154 | !$acc data copyin( work ) |
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[1106] | 155 | DO l = 0, pdims(2) - 1 |
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| 156 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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[1111] | 157 | !$acc kernels present( f_out, work ) |
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[1106] | 158 | DO i = nxl_y, nxr_y |
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| 159 | DO k = nzb_y, nzt_y |
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| 160 | DO j = ys, ys + nyn_x - nys_x |
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[1111] | 161 | f_out(j,i,k) = work(j-ys+1,k,i,l) |
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[1106] | 162 | ENDDO |
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[1] | 163 | ENDDO |
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| 164 | ENDDO |
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[1111] | 165 | !$acc end kernels |
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[1] | 166 | ENDDO |
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[1216] | 167 | !$acc end data |
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[683] | 168 | !$OMP END PARALLEL |
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[1] | 169 | #endif |
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| 170 | |
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[1106] | 171 | ELSE |
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| 172 | |
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| 173 | ! |
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| 174 | !-- Reorder transposed array |
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| 175 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 176 | !$OMP DO |
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[1216] | 177 | !$acc kernels present( f_inv, f_out ) |
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[1106] | 178 | DO k = nzb_y, nzt_y |
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| 179 | DO i = nxl_y, nxr_y |
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| 180 | DO j = 0, ny |
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| 181 | f_out(j,i,k) = f_inv(j,k,i) |
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| 182 | ENDDO |
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| 183 | ENDDO |
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| 184 | ENDDO |
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[1111] | 185 | !$acc end kernels |
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[1106] | 186 | !$OMP END PARALLEL |
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| 187 | |
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| 188 | ENDIF |
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| 189 | |
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[1] | 190 | END SUBROUTINE transpose_xy |
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| 191 | |
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| 192 | |
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[1216] | 193 | SUBROUTINE resort_for_xz( f_inv, f_out ) |
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[1] | 194 | |
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| 195 | !------------------------------------------------------------------------------! |
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| 196 | ! Description: |
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| 197 | ! ------------ |
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[1216] | 198 | ! Resorting data after the transposition from x to z. The transposition itself |
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| 199 | ! is carried out in transpose_xz |
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| 200 | !------------------------------------------------------------------------------! |
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| 201 | |
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| 202 | USE indices |
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| 203 | USE transpose_indices |
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| 204 | |
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| 205 | IMPLICIT NONE |
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| 206 | |
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| 207 | REAL :: f_inv(nys:nyn,nxl:nxr,1:nz) |
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| 208 | REAL :: f_out(1:nz,nys:nyn,nxl:nxr) |
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| 209 | |
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| 210 | |
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| 211 | INTEGER :: i, j, k |
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| 212 | |
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| 213 | ! |
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| 214 | !-- Rearrange indices of input array in order to make data to be send |
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| 215 | !-- by MPI contiguous. |
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| 216 | !-- In case of parallel fft/transposition, scattered store is faster in |
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| 217 | !-- backward direction!!! |
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| 218 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 219 | !$OMP DO |
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| 220 | !$acc kernels present( f_inv, f_out ) |
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| 221 | DO k = 1, nz |
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| 222 | DO i = nxl, nxr |
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| 223 | DO j = nys, nyn |
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| 224 | f_out(k,j,i) = f_inv(j,i,k) |
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| 225 | ENDDO |
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| 226 | ENDDO |
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| 227 | ENDDO |
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| 228 | !$acc end kernels |
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| 229 | !$OMP END PARALLEL |
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| 230 | |
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| 231 | END SUBROUTINE resort_for_xz |
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| 232 | |
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| 233 | |
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| 234 | SUBROUTINE transpose_xz( f_in, f_inv ) |
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| 235 | |
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| 236 | !------------------------------------------------------------------------------! |
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| 237 | ! Description: |
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| 238 | ! ------------ |
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[1] | 239 | ! Transposition of input array (f_in) from x to z. For the input array, all |
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| 240 | ! elements along x reside on the same PE, while after transposition, all |
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| 241 | ! elements along z reside on the same PE. |
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| 242 | !------------------------------------------------------------------------------! |
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| 243 | |
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| 244 | USE cpulog |
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| 245 | USE indices |
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| 246 | USE interfaces |
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| 247 | USE pegrid |
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| 248 | USE transpose_indices |
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| 249 | |
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| 250 | IMPLICIT NONE |
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| 251 | |
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[1111] | 252 | INTEGER :: i, j, k, l, xs |
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[1] | 253 | |
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[1216] | 254 | REAL :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x), f_inv(nys:nyn,nxl:nxr,1:nz) |
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[1] | 255 | |
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[1111] | 256 | REAL, DIMENSION(nys_x:nyn_x,nnx,nzb_x:nzt_x,0:pdims(1)-1) :: work |
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[1] | 257 | |
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[1111] | 258 | |
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[1] | 259 | ! |
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| 260 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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| 261 | !-- reordered locally and therefore no transposition has to be done. |
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| 262 | IF ( pdims(1) /= 1 ) THEN |
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[1106] | 263 | |
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| 264 | #if defined( __parallel ) |
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[1] | 265 | ! |
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| 266 | !-- Reorder input array for transposition |
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[1111] | 267 | !$OMP PARALLEL PRIVATE ( i, j, k, l, xs ) |
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[683] | 268 | !$OMP DO |
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[1216] | 269 | !$acc data copyout( work ) |
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[1] | 270 | DO l = 0, pdims(1) - 1 |
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| 271 | xs = 0 + l * nnx |
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[1111] | 272 | !$acc kernels present( f_in, work ) |
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[1003] | 273 | DO k = nzb_x, nzt_x |
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[164] | 274 | DO i = xs, xs + nnx - 1 |
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[1003] | 275 | DO j = nys_x, nyn_x |
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[1111] | 276 | work(j,i-xs+1,k,l) = f_in(i,j,k) |
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[1] | 277 | ENDDO |
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| 278 | ENDDO |
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| 279 | ENDDO |
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[1111] | 280 | !$acc end kernels |
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[1] | 281 | ENDDO |
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[1216] | 282 | !$acc end data |
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[683] | 283 | !$OMP END PARALLEL |
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[1] | 284 | |
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| 285 | ! |
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| 286 | !-- Transpose array |
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| 287 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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[622] | 288 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1111] | 289 | CALL MPI_ALLTOALL( work(nys_x,1,nzb_x,0), sendrecvcount_zx, MPI_REAL, & |
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| 290 | f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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[1] | 291 | comm1dx, ierr ) |
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[1111] | 292 | !$acc update device( f_inv ) |
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[1] | 293 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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[1106] | 294 | #endif |
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| 295 | |
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[1] | 296 | ELSE |
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[1106] | 297 | |
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[1] | 298 | ! |
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| 299 | !-- Reorder the array in a way that the z index is in first position |
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[683] | 300 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 301 | !$OMP DO |
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[1216] | 302 | !$acc kernels present( f_in, f_inv ) |
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[1003] | 303 | DO i = nxl, nxr |
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| 304 | DO j = nys, nyn |
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| 305 | DO k = 1, nz |
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[164] | 306 | f_inv(j,i,k) = f_in(i,j,k) |
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[1] | 307 | ENDDO |
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| 308 | ENDDO |
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| 309 | ENDDO |
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[1111] | 310 | !$acc end kernels |
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[683] | 311 | !$OMP END PARALLEL |
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[1] | 312 | |
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[164] | 313 | ENDIF |
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| 314 | |
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[1] | 315 | END SUBROUTINE transpose_xz |
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| 316 | |
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| 317 | |
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[1216] | 318 | SUBROUTINE resort_for_yx( f_inv, f_out ) |
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[1] | 319 | |
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| 320 | !------------------------------------------------------------------------------! |
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| 321 | ! Description: |
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| 322 | ! ------------ |
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[1216] | 323 | ! Resorting data after the transposition from y to x. The transposition itself |
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| 324 | ! is carried out in transpose_yx |
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| 325 | !------------------------------------------------------------------------------! |
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| 326 | |
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| 327 | USE indices |
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| 328 | USE transpose_indices |
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| 329 | |
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| 330 | IMPLICIT NONE |
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| 331 | |
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| 332 | REAL :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) |
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| 333 | REAL :: f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) |
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| 334 | |
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| 335 | |
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| 336 | INTEGER :: i, j, k |
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| 337 | |
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| 338 | ! |
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| 339 | !-- Rearrange indices of input array in order to make data to be send |
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| 340 | !-- by MPI contiguous |
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| 341 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 342 | !$OMP DO |
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| 343 | !$acc kernels present( f_inv, f_out ) |
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| 344 | DO i = 0, nx |
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| 345 | DO k = nzb_x, nzt_x |
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| 346 | DO j = nys_x, nyn_x |
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| 347 | f_out(i,j,k) = f_inv(j,k,i) |
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| 348 | ENDDO |
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| 349 | ENDDO |
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| 350 | ENDDO |
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| 351 | !$acc end kernels |
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| 352 | !$OMP END PARALLEL |
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| 353 | |
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| 354 | END SUBROUTINE resort_for_yx |
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| 355 | |
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| 356 | |
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| 357 | SUBROUTINE transpose_yx( f_in, f_inv ) |
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| 358 | |
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| 359 | !------------------------------------------------------------------------------! |
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| 360 | ! Description: |
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| 361 | ! ------------ |
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[1] | 362 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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| 363 | ! elements along y reside on the same PE, while after transposition, all |
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| 364 | ! elements along x reside on the same PE. |
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| 365 | !------------------------------------------------------------------------------! |
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| 366 | |
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| 367 | USE cpulog |
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| 368 | USE indices |
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| 369 | USE interfaces |
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| 370 | USE pegrid |
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| 371 | USE transpose_indices |
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| 372 | |
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| 373 | IMPLICIT NONE |
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| 374 | |
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[1111] | 375 | INTEGER :: i, j, k, l, ys |
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[1] | 376 | |
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[1216] | 377 | REAL :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y), f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) |
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[1] | 378 | |
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[1111] | 379 | REAL, DIMENSION(nyn_x-nys_x+1,nzb_y:nzt_y,nxl_y:nxr_y,0:pdims(2)-1) :: work |
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| 380 | |
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| 381 | |
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[1106] | 382 | IF ( numprocs /= 1 ) THEN |
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| 383 | |
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[1] | 384 | #if defined( __parallel ) |
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| 385 | ! |
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[1106] | 386 | !-- Reorder input array for transposition |
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[1111] | 387 | !$OMP PARALLEL PRIVATE ( i, j, k, l, ys ) |
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[683] | 388 | !$OMP DO |
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[1216] | 389 | !$acc data copyout( work ) |
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[1106] | 390 | DO l = 0, pdims(2) - 1 |
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| 391 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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[1111] | 392 | !$acc kernels present( f_in, work ) |
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[1106] | 393 | DO i = nxl_y, nxr_y |
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| 394 | DO k = nzb_y, nzt_y |
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| 395 | DO j = ys, ys + nyn_x - nys_x |
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[1111] | 396 | work(j-ys+1,k,i,l) = f_in(j,i,k) |
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[1106] | 397 | ENDDO |
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| 398 | ENDDO |
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| 399 | ENDDO |
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[1111] | 400 | !$acc end kernels |
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[1106] | 401 | ENDDO |
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[1216] | 402 | !$acc end data |
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[1106] | 403 | !$OMP END PARALLEL |
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| 404 | |
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| 405 | ! |
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| 406 | !-- Transpose array |
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| 407 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 408 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1111] | 409 | CALL MPI_ALLTOALL( work(1,nzb_y,nxl_y,0), sendrecvcount_xy, MPI_REAL, & |
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| 410 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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[1106] | 411 | comm1dy, ierr ) |
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[1111] | 412 | !$acc update device( f_inv ) |
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[1106] | 413 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 414 | #endif |
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| 415 | |
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| 416 | ELSE |
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| 417 | |
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| 418 | ! |
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| 419 | !-- Reorder array f_in the same way as ALLTOALL did it |
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| 420 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 421 | !$OMP DO |
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[1216] | 422 | !$acc kernels present( f_in, f_inv ) |
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[1003] | 423 | DO i = nxl_y, nxr_y |
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| 424 | DO k = nzb_y, nzt_y |
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[1106] | 425 | DO j = 0, ny |
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| 426 | f_inv(j,k,i) = f_in(j,i,k) |
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[1] | 427 | ENDDO |
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| 428 | ENDDO |
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| 429 | ENDDO |
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[1111] | 430 | !$acc end kernels |
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[683] | 431 | !$OMP END PARALLEL |
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[1] | 432 | |
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[1106] | 433 | ENDIF |
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[1] | 434 | |
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| 435 | END SUBROUTINE transpose_yx |
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| 436 | |
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| 437 | |
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[1216] | 438 | SUBROUTINE transpose_yxd( f_in, f_out ) |
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[1] | 439 | |
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| 440 | !------------------------------------------------------------------------------! |
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| 441 | ! Description: |
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| 442 | ! ------------ |
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| 443 | ! Transposition of input array (f_in) from y to x. For the input array, all |
---|
| 444 | ! elements along y reside on the same PE, while after transposition, all |
---|
| 445 | ! elements along x reside on the same PE. |
---|
| 446 | ! This is a direct transposition for arrays with indices in regular order |
---|
| 447 | ! (k,j,i) (cf. transpose_yx). |
---|
| 448 | !------------------------------------------------------------------------------! |
---|
| 449 | |
---|
| 450 | USE cpulog |
---|
| 451 | USE indices |
---|
| 452 | USE interfaces |
---|
| 453 | USE pegrid |
---|
| 454 | USE transpose_indices |
---|
| 455 | |
---|
| 456 | IMPLICIT NONE |
---|
| 457 | |
---|
[1092] | 458 | INTEGER :: i, j, k, l, m, xs |
---|
[1] | 459 | |
---|
[1003] | 460 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nxl:nxr,1:nz,nys:nyn), & |
---|
| 461 | f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
---|
[164] | 462 | work(nnx*nny*nnz) |
---|
[1] | 463 | |
---|
| 464 | #if defined( __parallel ) |
---|
| 465 | |
---|
| 466 | ! |
---|
| 467 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 468 | !-- by MPI contiguous |
---|
[1003] | 469 | DO k = 1, nz |
---|
| 470 | DO j = nys, nyn |
---|
| 471 | DO i = nxl, nxr |
---|
[164] | 472 | f_inv(i,k,j) = f_in(k,j,i) |
---|
[1] | 473 | ENDDO |
---|
| 474 | ENDDO |
---|
| 475 | ENDDO |
---|
| 476 | |
---|
| 477 | ! |
---|
| 478 | !-- Transpose array |
---|
| 479 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
[622] | 480 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1] | 481 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
---|
[164] | 482 | work(1), sendrecvcount_xy, MPI_REAL, & |
---|
[1] | 483 | comm1dx, ierr ) |
---|
| 484 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
| 485 | |
---|
| 486 | ! |
---|
| 487 | !-- Reorder transposed array |
---|
| 488 | m = 0 |
---|
| 489 | DO l = 0, pdims(1) - 1 |
---|
| 490 | xs = 0 + l * nnx |
---|
[1003] | 491 | DO j = nys_x, nyn_x |
---|
| 492 | DO k = 1, nz |
---|
[1] | 493 | DO i = xs, xs + nnx - 1 |
---|
| 494 | m = m + 1 |
---|
[164] | 495 | f_out(i,j,k) = work(m) |
---|
[1] | 496 | ENDDO |
---|
| 497 | ENDDO |
---|
| 498 | ENDDO |
---|
| 499 | ENDDO |
---|
| 500 | |
---|
| 501 | #endif |
---|
| 502 | |
---|
| 503 | END SUBROUTINE transpose_yxd |
---|
| 504 | |
---|
| 505 | |
---|
[1216] | 506 | SUBROUTINE resort_for_yz( f_in, f_inv ) |
---|
[1] | 507 | |
---|
| 508 | !------------------------------------------------------------------------------! |
---|
| 509 | ! Description: |
---|
| 510 | ! ------------ |
---|
[1216] | 511 | ! Resorting data for the transposition from y to z. The transposition itself |
---|
| 512 | ! is carried out in transpose_yz |
---|
| 513 | !------------------------------------------------------------------------------! |
---|
| 514 | |
---|
| 515 | USE indices |
---|
| 516 | USE transpose_indices |
---|
| 517 | |
---|
| 518 | IMPLICIT NONE |
---|
| 519 | |
---|
| 520 | REAL :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) |
---|
| 521 | REAL :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) |
---|
| 522 | |
---|
| 523 | |
---|
| 524 | INTEGER :: i, j, k |
---|
| 525 | |
---|
| 526 | ! |
---|
| 527 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 528 | !-- by MPI contiguous |
---|
| 529 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 530 | !$OMP DO |
---|
| 531 | !$acc kernels present( f_in, f_inv ) |
---|
| 532 | DO j = 0, ny |
---|
| 533 | DO k = nzb_y, nzt_y |
---|
| 534 | DO i = nxl_y, nxr_y |
---|
| 535 | f_inv(i,k,j) = f_in(j,i,k) |
---|
| 536 | ENDDO |
---|
| 537 | ENDDO |
---|
| 538 | ENDDO |
---|
| 539 | !$acc end kernels |
---|
| 540 | !$OMP END PARALLEL |
---|
| 541 | |
---|
| 542 | END SUBROUTINE resort_for_yz |
---|
| 543 | |
---|
| 544 | |
---|
| 545 | SUBROUTINE transpose_yz( f_inv, f_out ) |
---|
| 546 | |
---|
| 547 | !------------------------------------------------------------------------------! |
---|
| 548 | ! Description: |
---|
| 549 | ! ------------ |
---|
[1] | 550 | ! Transposition of input array (f_in) from y to z. For the input array, all |
---|
| 551 | ! elements along y reside on the same PE, while after transposition, all |
---|
| 552 | ! elements along z reside on the same PE. |
---|
| 553 | !------------------------------------------------------------------------------! |
---|
| 554 | |
---|
| 555 | USE cpulog |
---|
| 556 | USE indices |
---|
| 557 | USE interfaces |
---|
| 558 | USE pegrid |
---|
| 559 | USE transpose_indices |
---|
| 560 | |
---|
| 561 | IMPLICIT NONE |
---|
| 562 | |
---|
[1111] | 563 | INTEGER :: i, j, k, l, zs |
---|
[1] | 564 | |
---|
[1216] | 565 | REAL :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny), f_out(nxl_z:nxr_z,nys_z:nyn_z,1:nz) |
---|
[1] | 566 | |
---|
[1111] | 567 | REAL, DIMENSION(nxl_z:nxr_z,nzt_y-nzb_y+1,nys_z:nyn_z,0:pdims(1)-1) :: work |
---|
| 568 | |
---|
| 569 | |
---|
[1] | 570 | ! |
---|
| 571 | !-- If the PE grid is one-dimensional along y, only local reordering |
---|
| 572 | !-- of the data is necessary and no transposition has to be done. |
---|
| 573 | IF ( pdims(1) == 1 ) THEN |
---|
[1106] | 574 | |
---|
[683] | 575 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 576 | !$OMP DO |
---|
[1216] | 577 | !$acc kernels present( f_inv, f_out ) |
---|
[1003] | 578 | DO j = 0, ny |
---|
| 579 | DO k = nzb_y, nzt_y |
---|
| 580 | DO i = nxl_y, nxr_y |
---|
[164] | 581 | f_out(i,j,k) = f_inv(i,k,j) |
---|
[1] | 582 | ENDDO |
---|
| 583 | ENDDO |
---|
| 584 | ENDDO |
---|
[1111] | 585 | !$acc end kernels |
---|
[683] | 586 | !$OMP END PARALLEL |
---|
[1] | 587 | |
---|
[1106] | 588 | ELSE |
---|
| 589 | |
---|
| 590 | #if defined( __parallel ) |
---|
[1] | 591 | ! |
---|
[1106] | 592 | !-- Transpose array |
---|
| 593 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
| 594 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1111] | 595 | !$acc update host( f_inv ) |
---|
| 596 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
---|
| 597 | work(nxl_z,1,nys_z,0), sendrecvcount_yz, MPI_REAL, & |
---|
[1106] | 598 | comm1dx, ierr ) |
---|
| 599 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
[1] | 600 | |
---|
| 601 | ! |
---|
[1106] | 602 | !-- Reorder transposed array |
---|
[1111] | 603 | !$OMP PARALLEL PRIVATE ( i, j, k, l, zs ) |
---|
[683] | 604 | !$OMP DO |
---|
[1216] | 605 | !$acc data copyin( work ) |
---|
[1106] | 606 | DO l = 0, pdims(1) - 1 |
---|
| 607 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
---|
[1216] | 608 | !$acc kernels present( f_out ) |
---|
[1106] | 609 | DO j = nys_z, nyn_z |
---|
| 610 | DO k = zs, zs + nzt_y - nzb_y |
---|
| 611 | DO i = nxl_z, nxr_z |
---|
[1111] | 612 | f_out(i,j,k) = work(i,k-zs+1,j,l) |
---|
[1106] | 613 | ENDDO |
---|
[1] | 614 | ENDDO |
---|
| 615 | ENDDO |
---|
[1111] | 616 | !$acc end kernels |
---|
[1] | 617 | ENDDO |
---|
[1216] | 618 | !$acc end data |
---|
[683] | 619 | !$OMP END PARALLEL |
---|
[1] | 620 | #endif |
---|
| 621 | |
---|
[1106] | 622 | ENDIF |
---|
| 623 | |
---|
[1] | 624 | END SUBROUTINE transpose_yz |
---|
| 625 | |
---|
| 626 | |
---|
[1216] | 627 | SUBROUTINE resort_for_zx( f_in, f_inv ) |
---|
[1] | 628 | |
---|
| 629 | !------------------------------------------------------------------------------! |
---|
| 630 | ! Description: |
---|
| 631 | ! ------------ |
---|
[1216] | 632 | ! Resorting data for the transposition from z to x. The transposition itself |
---|
| 633 | ! is carried out in transpose_zx |
---|
| 634 | !------------------------------------------------------------------------------! |
---|
| 635 | |
---|
| 636 | USE indices |
---|
| 637 | USE transpose_indices |
---|
| 638 | |
---|
| 639 | IMPLICIT NONE |
---|
| 640 | |
---|
| 641 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr) |
---|
| 642 | REAL :: f_inv(nys:nyn,nxl:nxr,1:nz) |
---|
| 643 | |
---|
| 644 | |
---|
| 645 | INTEGER :: i, j, k |
---|
| 646 | |
---|
| 647 | ! |
---|
| 648 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 649 | !-- by MPI contiguous |
---|
| 650 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 651 | !$OMP DO |
---|
| 652 | !$acc kernels present( f_in, f_inv ) |
---|
| 653 | DO k = 1,nz |
---|
| 654 | DO i = nxl, nxr |
---|
| 655 | DO j = nys, nyn |
---|
| 656 | f_inv(j,i,k) = f_in(k,j,i) |
---|
| 657 | ENDDO |
---|
| 658 | ENDDO |
---|
| 659 | ENDDO |
---|
| 660 | !$acc end kernels |
---|
| 661 | !$OMP END PARALLEL |
---|
| 662 | |
---|
| 663 | END SUBROUTINE resort_for_zx |
---|
| 664 | |
---|
| 665 | |
---|
| 666 | SUBROUTINE transpose_zx( f_inv, f_out ) |
---|
| 667 | |
---|
| 668 | !------------------------------------------------------------------------------! |
---|
| 669 | ! Description: |
---|
| 670 | ! ------------ |
---|
[1] | 671 | ! Transposition of input array (f_in) from z to x. For the input array, all |
---|
| 672 | ! elements along z reside on the same PE, while after transposition, all |
---|
| 673 | ! elements along x reside on the same PE. |
---|
| 674 | !------------------------------------------------------------------------------! |
---|
| 675 | |
---|
| 676 | USE cpulog |
---|
| 677 | USE indices |
---|
| 678 | USE interfaces |
---|
| 679 | USE pegrid |
---|
| 680 | USE transpose_indices |
---|
| 681 | |
---|
| 682 | IMPLICIT NONE |
---|
| 683 | |
---|
[1111] | 684 | INTEGER :: i, j, k, l, xs |
---|
[1] | 685 | |
---|
[1216] | 686 | REAL :: f_inv(nys:nyn,nxl:nxr,1:nz), f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) |
---|
[1] | 687 | |
---|
[1111] | 688 | REAL, DIMENSION(nys_x:nyn_x,nnx,nzb_x:nzt_x,0:pdims(1)-1) :: work |
---|
| 689 | |
---|
[1] | 690 | |
---|
| 691 | ! |
---|
| 692 | !-- If the PE grid is one-dimensional along y, only local reordering |
---|
| 693 | !-- of the data is necessary and no transposition has to be done. |
---|
| 694 | IF ( pdims(1) == 1 ) THEN |
---|
[1106] | 695 | |
---|
[683] | 696 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 697 | !$OMP DO |
---|
[1216] | 698 | !$acc kernels present( f_inv, f_out ) |
---|
[1003] | 699 | DO k = 1, nz |
---|
| 700 | DO i = nxl, nxr |
---|
| 701 | DO j = nys, nyn |
---|
[164] | 702 | f_out(i,j,k) = f_inv(j,i,k) |
---|
[1] | 703 | ENDDO |
---|
| 704 | ENDDO |
---|
| 705 | ENDDO |
---|
[1111] | 706 | !$acc end kernels |
---|
[683] | 707 | !$OMP END PARALLEL |
---|
[1] | 708 | |
---|
[1106] | 709 | ELSE |
---|
| 710 | |
---|
| 711 | #if defined( __parallel ) |
---|
[1] | 712 | ! |
---|
[1106] | 713 | !-- Transpose array |
---|
| 714 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
| 715 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1111] | 716 | !$acc update host( f_inv ) |
---|
| 717 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
---|
| 718 | work(nys_x,1,nzb_x,0), sendrecvcount_zx, MPI_REAL, & |
---|
[1106] | 719 | comm1dx, ierr ) |
---|
| 720 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
[1] | 721 | |
---|
| 722 | ! |
---|
[1106] | 723 | !-- Reorder transposed array |
---|
[1111] | 724 | !$OMP PARALLEL PRIVATE ( i, j, k, l, xs ) |
---|
[683] | 725 | !$OMP DO |
---|
[1216] | 726 | !$acc data copyin( work ) |
---|
[1106] | 727 | DO l = 0, pdims(1) - 1 |
---|
| 728 | xs = 0 + l * nnx |
---|
[1216] | 729 | !$acc kernels present( f_out ) |
---|
[1106] | 730 | DO k = nzb_x, nzt_x |
---|
| 731 | DO i = xs, xs + nnx - 1 |
---|
| 732 | DO j = nys_x, nyn_x |
---|
[1111] | 733 | f_out(i,j,k) = work(j,i-xs+1,k,l) |
---|
[1106] | 734 | ENDDO |
---|
[1] | 735 | ENDDO |
---|
| 736 | ENDDO |
---|
[1111] | 737 | !$acc end kernels |
---|
[1] | 738 | ENDDO |
---|
[1216] | 739 | !$acc end data |
---|
[683] | 740 | !$OMP END PARALLEL |
---|
[1] | 741 | #endif |
---|
| 742 | |
---|
[1106] | 743 | ENDIF |
---|
| 744 | |
---|
[1] | 745 | END SUBROUTINE transpose_zx |
---|
| 746 | |
---|
| 747 | |
---|
[1216] | 748 | SUBROUTINE resort_for_zy( f_inv, f_out ) |
---|
[1] | 749 | |
---|
| 750 | !------------------------------------------------------------------------------! |
---|
| 751 | ! Description: |
---|
| 752 | ! ------------ |
---|
[1216] | 753 | ! Resorting data after the transposition from z to y. The transposition itself |
---|
| 754 | ! is carried out in transpose_zy |
---|
| 755 | !------------------------------------------------------------------------------! |
---|
| 756 | |
---|
| 757 | USE indices |
---|
| 758 | USE transpose_indices |
---|
| 759 | |
---|
| 760 | IMPLICIT NONE |
---|
| 761 | |
---|
| 762 | REAL :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) |
---|
| 763 | REAL :: f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) |
---|
| 764 | |
---|
| 765 | |
---|
| 766 | INTEGER :: i, j, k |
---|
| 767 | |
---|
| 768 | ! |
---|
| 769 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 770 | !-- by MPI contiguous |
---|
| 771 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 772 | !$OMP DO |
---|
| 773 | !$acc kernels present( f_inv, f_out ) |
---|
| 774 | DO k = nzb_y, nzt_y |
---|
| 775 | DO j = 0, ny |
---|
| 776 | DO i = nxl_y, nxr_y |
---|
| 777 | f_out(j,i,k) = f_inv(i,k,j) |
---|
| 778 | ENDDO |
---|
| 779 | ENDDO |
---|
| 780 | ENDDO |
---|
| 781 | !$acc end kernels |
---|
| 782 | !$OMP END PARALLEL |
---|
| 783 | |
---|
| 784 | END SUBROUTINE resort_for_zy |
---|
| 785 | |
---|
| 786 | |
---|
| 787 | SUBROUTINE transpose_zy( f_in, f_inv ) |
---|
| 788 | |
---|
| 789 | !------------------------------------------------------------------------------! |
---|
| 790 | ! Description: |
---|
| 791 | ! ------------ |
---|
[1] | 792 | ! Transposition of input array (f_in) from z to y. For the input array, all |
---|
| 793 | ! elements along z reside on the same PE, while after transposition, all |
---|
| 794 | ! elements along y reside on the same PE. |
---|
| 795 | !------------------------------------------------------------------------------! |
---|
| 796 | |
---|
| 797 | USE cpulog |
---|
| 798 | USE indices |
---|
| 799 | USE interfaces |
---|
| 800 | USE pegrid |
---|
| 801 | USE transpose_indices |
---|
| 802 | |
---|
| 803 | IMPLICIT NONE |
---|
| 804 | |
---|
[1111] | 805 | INTEGER :: i, j, k, l, zs |
---|
[1] | 806 | |
---|
[1216] | 807 | REAL :: f_in(nxl_z:nxr_z,nys_z:nyn_z,1:nz), f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) |
---|
[1] | 808 | |
---|
[1111] | 809 | REAL, DIMENSION(nxl_z:nxr_z,nzt_y-nzb_y+1,nys_z:nyn_z,0:pdims(1)-1) :: work |
---|
| 810 | |
---|
| 811 | |
---|
[1] | 812 | ! |
---|
| 813 | !-- If the PE grid is one-dimensional along y, the array has only to be |
---|
| 814 | !-- reordered locally and therefore no transposition has to be done. |
---|
| 815 | IF ( pdims(1) /= 1 ) THEN |
---|
[1106] | 816 | |
---|
| 817 | #if defined( __parallel ) |
---|
[1] | 818 | ! |
---|
| 819 | !-- Reorder input array for transposition |
---|
[1111] | 820 | !$OMP PARALLEL PRIVATE ( i, j, k, l, zs ) |
---|
[683] | 821 | !$OMP DO |
---|
[1216] | 822 | !$acc data copyout( work ) |
---|
[1] | 823 | DO l = 0, pdims(1) - 1 |
---|
[1003] | 824 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
---|
[1111] | 825 | !$acc kernels present( f_in, work ) |
---|
[1003] | 826 | DO j = nys_z, nyn_z |
---|
| 827 | DO k = zs, zs + nzt_y - nzb_y |
---|
| 828 | DO i = nxl_z, nxr_z |
---|
[1111] | 829 | work(i,k-zs+1,j,l) = f_in(i,j,k) |
---|
[1] | 830 | ENDDO |
---|
| 831 | ENDDO |
---|
| 832 | ENDDO |
---|
[1111] | 833 | !$acc end kernels |
---|
[1] | 834 | ENDDO |
---|
[1216] | 835 | !$acc end data |
---|
[683] | 836 | !$OMP END PARALLEL |
---|
[1] | 837 | |
---|
| 838 | ! |
---|
| 839 | !-- Transpose array |
---|
| 840 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
[622] | 841 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1111] | 842 | CALL MPI_ALLTOALL( work(nxl_z,1,nys_z,0), sendrecvcount_yz, MPI_REAL, & |
---|
| 843 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
---|
[1] | 844 | comm1dx, ierr ) |
---|
[1111] | 845 | !$acc update device( f_inv ) |
---|
[1] | 846 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
[1106] | 847 | #endif |
---|
[1] | 848 | |
---|
| 849 | ELSE |
---|
| 850 | ! |
---|
[1106] | 851 | !-- Reorder the array in the same way like ALLTOALL did it |
---|
[683] | 852 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 853 | !$OMP DO |
---|
[1216] | 854 | !$acc kernels present( f_in, f_inv ) |
---|
[1003] | 855 | DO k = nzb_y, nzt_y |
---|
| 856 | DO j = 0, ny |
---|
| 857 | DO i = nxl_y, nxr_y |
---|
[164] | 858 | f_inv(i,k,j) = f_in(i,j,k) |
---|
| 859 | ENDDO |
---|
| 860 | ENDDO |
---|
| 861 | ENDDO |
---|
[1111] | 862 | !$acc end kernels |
---|
[683] | 863 | !$OMP END PARALLEL |
---|
[1106] | 864 | |
---|
| 865 | ENDIF |
---|
| 866 | |
---|
[1] | 867 | END SUBROUTINE transpose_zy |
---|
| 868 | |
---|
| 869 | |
---|
[1216] | 870 | SUBROUTINE transpose_zyd( f_in, f_out ) |
---|
[1] | 871 | |
---|
| 872 | !------------------------------------------------------------------------------! |
---|
| 873 | ! Description: |
---|
| 874 | ! ------------ |
---|
| 875 | ! Transposition of input array (f_in) from z to y. For the input array, all |
---|
| 876 | ! elements along z reside on the same PE, while after transposition, all |
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| 877 | ! elements along y reside on the same PE. |
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| 878 | ! This is a direct transposition for arrays with indices in regular order |
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| 879 | ! (k,j,i) (cf. transpose_zy). |
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| 880 | !------------------------------------------------------------------------------! |
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| 881 | |
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| 882 | USE cpulog |
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| 883 | USE indices |
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| 884 | USE interfaces |
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| 885 | USE pegrid |
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| 886 | USE transpose_indices |
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| 887 | |
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| 888 | IMPLICIT NONE |
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| 889 | |
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| 890 | INTEGER :: i, j, k, l, m, ys |
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| 891 | |
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[1003] | 892 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nys:nyn,nxl:nxr,1:nz), & |
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| 893 | f_out(0:ny,nxl_yd:nxr_yd,nzb_yd:nzt_yd), & |
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[164] | 894 | work(nnx*nny*nnz) |
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[1] | 895 | |
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| 896 | #if defined( __parallel ) |
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| 897 | |
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| 898 | ! |
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| 899 | !-- Rearrange indices of input array in order to make data to be send |
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| 900 | !-- by MPI contiguous |
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[1003] | 901 | DO i = nxl, nxr |
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| 902 | DO j = nys, nyn |
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| 903 | DO k = 1, nz |
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[164] | 904 | f_inv(j,i,k) = f_in(k,j,i) |
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[1] | 905 | ENDDO |
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| 906 | ENDDO |
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| 907 | ENDDO |
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| 908 | |
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| 909 | ! |
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| 910 | !-- Move data to different array, because memory location of work1 is |
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| 911 | !-- needed further below (work1 = work2). |
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| 912 | !-- If the PE grid is one-dimensional along x, only local reordering |
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| 913 | !-- of the data is necessary and no transposition has to be done. |
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| 914 | IF ( pdims(2) == 1 ) THEN |
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[1003] | 915 | DO k = 1, nz |
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| 916 | DO i = nxl, nxr |
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| 917 | DO j = nys, nyn |
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[164] | 918 | f_out(j,i,k) = f_inv(j,i,k) |
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[1] | 919 | ENDDO |
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| 920 | ENDDO |
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| 921 | ENDDO |
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| 922 | RETURN |
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| 923 | ENDIF |
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| 924 | |
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| 925 | ! |
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| 926 | !-- Transpose array |
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| 927 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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[622] | 928 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1] | 929 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
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[164] | 930 | work(1), sendrecvcount_zyd, MPI_REAL, & |
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[1] | 931 | comm1dy, ierr ) |
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| 932 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 933 | |
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| 934 | ! |
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| 935 | !-- Reorder transposed array |
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| 936 | m = 0 |
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| 937 | DO l = 0, pdims(2) - 1 |
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| 938 | ys = 0 + l * nny |
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[1003] | 939 | DO k = nzb_yd, nzt_yd |
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| 940 | DO i = nxl_yd, nxr_yd |
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[1] | 941 | DO j = ys, ys + nny - 1 |
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| 942 | m = m + 1 |
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[164] | 943 | f_out(j,i,k) = work(m) |
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[1] | 944 | ENDDO |
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| 945 | ENDDO |
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| 946 | ENDDO |
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| 947 | ENDDO |
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| 948 | |
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| 949 | #endif |
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| 950 | |
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| 951 | END SUBROUTINE transpose_zyd |
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