[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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[1216] | 22 | ! re-sorting of the transposed / to be transposed arrays moved to separate |
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| 23 | ! routines resort_for_... |
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[198] | 24 | ! |
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| 25 | ! Former revisions: |
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| 26 | ! ----------------- |
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| 27 | ! $Id: transpose.f90 1216 2013-08-26 09:31:42Z raasch $ |
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| 28 | ! |
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[1112] | 29 | ! 1111 2013-03-08 23:54:10Z raasch |
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| 30 | ! openACC directives added, |
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| 31 | ! resorting data from/to work changed, work got 4 dimensions instead of 1 |
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| 32 | ! |
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[1107] | 33 | ! 1106 2013-03-04 05:31:38Z raasch |
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| 34 | ! preprocessor lines rearranged so that routines can also be used in serial |
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| 35 | ! (non-parallel) mode |
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| 36 | ! |
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[1093] | 37 | ! 1092 2013-02-02 11:24:22Z raasch |
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| 38 | ! unused variables removed |
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| 39 | ! |
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[1037] | 40 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 41 | ! code put under GPL (PALM 3.9) |
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| 42 | ! |
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[1004] | 43 | ! 1003 2012-09-14 14:35:53Z raasch |
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| 44 | ! indices nxa, nya, etc. replaced by nx, ny, etc. |
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| 45 | ! |
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[684] | 46 | ! 683 2011-02-09 14:25:15Z raasch |
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| 47 | ! openMP parallelization of transpositions for 2d-domain-decomposition |
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| 48 | ! |
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[623] | 49 | ! 622 2010-12-10 08:08:13Z raasch |
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| 50 | ! optional barriers included in order to speed up collective operations |
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| 51 | ! |
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[198] | 52 | ! 164 2008-05-15 08:46:15Z raasch |
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[164] | 53 | ! f_inv changed from subroutine argument to automatic array in order to do |
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| 54 | ! re-ordering from f_in to f_inv in one step, one array work is needed instead |
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| 55 | ! of work1 and work2 |
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[1] | 56 | ! |
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[198] | 57 | ! February 2007 |
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[3] | 58 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 59 | ! |
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[1] | 60 | ! Revision 1.2 2004/04/30 13:12:17 raasch |
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| 61 | ! Switched from mpi_alltoallv to the simpler mpi_alltoall, |
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| 62 | ! all former transpose-routine files collected in this file, enlarged |
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| 63 | ! transposition arrays introduced |
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| 64 | ! |
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| 65 | ! Revision 1.1 2004/04/30 13:08:16 raasch |
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| 66 | ! Initial revision (collection of former routines transpose_xy, transpose_xz, |
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| 67 | ! transpose_yx, transpose_yz, transpose_zx, transpose_zy) |
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| 68 | ! |
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| 69 | ! Revision 1.1 1997/07/24 11:25:18 raasch |
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| 70 | ! Initial revision |
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| 71 | ! |
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[1216] | 72 | !------------------------------------------------------------------------------! |
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| 73 | ! Description: |
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| 74 | ! ------------ |
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| 75 | ! Resorting data for the transposition from x to y. The transposition itself |
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| 76 | ! is carried out in transpose_xy |
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| 77 | !------------------------------------------------------------------------------! |
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| 78 | |
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| 79 | USE indices |
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| 80 | USE transpose_indices |
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| 81 | |
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| 82 | IMPLICIT NONE |
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| 83 | |
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| 84 | REAL :: f_in(0:nx,nys_x:nyn_x,nzb_x:nzt_x) |
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| 85 | REAL :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) |
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| 86 | |
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| 87 | |
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| 88 | INTEGER :: i, j, k |
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| 89 | |
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[1] | 90 | ! |
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[1216] | 91 | !-- Rearrange indices of input array in order to make data to be send |
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| 92 | !-- by MPI contiguous |
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| 93 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 94 | !$OMP DO |
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| 95 | !$acc kernels present( f_in, f_inv ) |
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| 96 | !$acc loop |
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| 97 | DO i = 0, nx |
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| 98 | DO k = nzb_x, nzt_x |
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| 99 | !$acc loop vector( 32 ) |
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| 100 | DO j = nys_x, nyn_x |
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| 101 | f_inv(j,k,i) = f_in(i,j,k) |
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| 102 | ENDDO |
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| 103 | ENDDO |
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| 104 | ENDDO |
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| 105 | !$acc end kernels |
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| 106 | !$OMP END PARALLEL |
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| 107 | |
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| 108 | END SUBROUTINE resort_for_xy |
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| 109 | |
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| 110 | |
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| 111 | SUBROUTINE transpose_xy( f_inv, f_out ) |
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| 112 | |
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| 113 | !------------------------------------------------------------------------------! |
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[1] | 114 | ! Description: |
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| 115 | ! ------------ |
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| 116 | ! Transposition of input array (f_in) from x to y. For the input array, all |
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| 117 | ! elements along x reside on the same PE, while after transposition, all |
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| 118 | ! elements along y reside on the same PE. |
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| 119 | !------------------------------------------------------------------------------! |
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| 120 | |
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| 121 | USE cpulog |
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| 122 | USE indices |
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| 123 | USE interfaces |
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| 124 | USE pegrid |
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| 125 | USE transpose_indices |
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| 126 | |
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| 127 | IMPLICIT NONE |
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| 128 | |
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[1111] | 129 | INTEGER :: i, j, k, l, ys |
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[1] | 130 | |
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[1216] | 131 | 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] | 132 | |
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[1111] | 133 | REAL, DIMENSION(nyn_x-nys_x+1,nzb_y:nzt_y,nxl_y:nxr_y,0:pdims(2)-1) :: work |
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| 134 | |
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| 135 | |
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[1106] | 136 | IF ( numprocs /= 1 ) THEN |
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| 137 | |
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| 138 | #if defined( __parallel ) |
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[1] | 139 | ! |
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[1106] | 140 | !-- Transpose array |
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| 141 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 142 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1111] | 143 | !$acc update host( f_inv ) |
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| 144 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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| 145 | work(1,nzb_y,nxl_y,0), sendrecvcount_xy, MPI_REAL, & |
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[1106] | 146 | comm1dy, ierr ) |
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| 147 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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[1] | 148 | |
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| 149 | ! |
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[1106] | 150 | !-- Reorder transposed array |
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[1111] | 151 | !$OMP PARALLEL PRIVATE ( i, j, k, l, ys ) |
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[683] | 152 | !$OMP DO |
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[1216] | 153 | !$acc data copyin( work ) |
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[1106] | 154 | DO l = 0, pdims(2) - 1 |
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| 155 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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[1111] | 156 | !$acc kernels present( f_out, work ) |
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| 157 | !$acc loop |
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[1106] | 158 | DO i = nxl_y, nxr_y |
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| 159 | DO k = nzb_y, nzt_y |
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[1111] | 160 | !$acc loop vector( 32 ) |
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[1106] | 161 | DO j = ys, ys + nyn_x - nys_x |
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[1111] | 162 | f_out(j,i,k) = work(j-ys+1,k,i,l) |
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[1106] | 163 | ENDDO |
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[1] | 164 | ENDDO |
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| 165 | ENDDO |
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[1111] | 166 | !$acc end kernels |
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[1] | 167 | ENDDO |
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[1216] | 168 | !$acc end data |
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[683] | 169 | !$OMP END PARALLEL |
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[1] | 170 | #endif |
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| 171 | |
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[1106] | 172 | ELSE |
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| 173 | |
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| 174 | ! |
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| 175 | !-- Reorder transposed array |
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| 176 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 177 | !$OMP DO |
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[1216] | 178 | !$acc kernels present( f_inv, f_out ) |
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[1111] | 179 | !$acc loop |
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[1106] | 180 | DO k = nzb_y, nzt_y |
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| 181 | DO i = nxl_y, nxr_y |
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[1111] | 182 | !$acc loop vector( 32 ) |
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[1106] | 183 | DO j = 0, ny |
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| 184 | f_out(j,i,k) = f_inv(j,k,i) |
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| 185 | ENDDO |
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| 186 | ENDDO |
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| 187 | ENDDO |
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[1111] | 188 | !$acc end kernels |
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[1106] | 189 | !$OMP END PARALLEL |
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| 190 | |
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| 191 | ENDIF |
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| 192 | |
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[1] | 193 | END SUBROUTINE transpose_xy |
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| 194 | |
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| 195 | |
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[1216] | 196 | SUBROUTINE resort_for_xz( f_inv, f_out ) |
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[1] | 197 | |
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| 198 | !------------------------------------------------------------------------------! |
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| 199 | ! Description: |
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| 200 | ! ------------ |
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[1216] | 201 | ! Resorting data after the transposition from x to z. The transposition itself |
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| 202 | ! is carried out in transpose_xz |
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| 203 | !------------------------------------------------------------------------------! |
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| 204 | |
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| 205 | USE indices |
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| 206 | USE transpose_indices |
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| 207 | |
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| 208 | IMPLICIT NONE |
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| 209 | |
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| 210 | REAL :: f_inv(nys:nyn,nxl:nxr,1:nz) |
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| 211 | REAL :: f_out(1:nz,nys:nyn,nxl:nxr) |
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| 212 | |
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| 213 | |
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| 214 | INTEGER :: i, j, k |
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| 215 | |
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| 216 | ! |
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| 217 | !-- Rearrange indices of input array in order to make data to be send |
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| 218 | !-- by MPI contiguous. |
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| 219 | !-- In case of parallel fft/transposition, scattered store is faster in |
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| 220 | !-- backward direction!!! |
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| 221 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 222 | !$OMP DO |
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| 223 | !$acc kernels present( f_inv, f_out ) |
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| 224 | !$acc loop |
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| 225 | DO k = 1, nz |
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| 226 | DO i = nxl, nxr |
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| 227 | !$acc loop vector( 32 ) |
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| 228 | DO j = nys, nyn |
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| 229 | f_out(k,j,i) = f_inv(j,i,k) |
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| 230 | ENDDO |
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| 231 | ENDDO |
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| 232 | ENDDO |
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| 233 | !$acc end kernels |
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| 234 | !$OMP END PARALLEL |
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| 235 | |
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| 236 | END SUBROUTINE resort_for_xz |
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| 237 | |
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| 238 | |
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| 239 | SUBROUTINE transpose_xz( f_in, f_inv ) |
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| 240 | |
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| 241 | !------------------------------------------------------------------------------! |
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| 242 | ! Description: |
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| 243 | ! ------------ |
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[1] | 244 | ! Transposition of input array (f_in) from x to z. For the input array, all |
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| 245 | ! elements along x reside on the same PE, while after transposition, all |
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| 246 | ! elements along z reside on the same PE. |
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| 247 | !------------------------------------------------------------------------------! |
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| 248 | |
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| 249 | USE cpulog |
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| 250 | USE indices |
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| 251 | USE interfaces |
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| 252 | USE pegrid |
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| 253 | USE transpose_indices |
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| 254 | |
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| 255 | IMPLICIT NONE |
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| 256 | |
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[1111] | 257 | INTEGER :: i, j, k, l, xs |
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[1] | 258 | |
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[1216] | 259 | 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] | 260 | |
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[1111] | 261 | REAL, DIMENSION(nys_x:nyn_x,nnx,nzb_x:nzt_x,0:pdims(1)-1) :: work |
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[1] | 262 | |
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[1111] | 263 | |
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[1] | 264 | ! |
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| 265 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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| 266 | !-- reordered locally and therefore no transposition has to be done. |
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| 267 | IF ( pdims(1) /= 1 ) THEN |
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[1106] | 268 | |
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| 269 | #if defined( __parallel ) |
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[1] | 270 | ! |
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| 271 | !-- Reorder input array for transposition |
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[1111] | 272 | !$OMP PARALLEL PRIVATE ( i, j, k, l, xs ) |
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[683] | 273 | !$OMP DO |
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[1216] | 274 | !$acc data copyout( work ) |
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[1] | 275 | DO l = 0, pdims(1) - 1 |
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| 276 | xs = 0 + l * nnx |
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[1111] | 277 | !$acc kernels present( f_in, work ) |
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| 278 | !$acc loop |
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[1003] | 279 | DO k = nzb_x, nzt_x |
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[164] | 280 | DO i = xs, xs + nnx - 1 |
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[1111] | 281 | !$acc loop vector( 32 ) |
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[1003] | 282 | DO j = nys_x, nyn_x |
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[1111] | 283 | work(j,i-xs+1,k,l) = f_in(i,j,k) |
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[1] | 284 | ENDDO |
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| 285 | ENDDO |
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| 286 | ENDDO |
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[1111] | 287 | !$acc end kernels |
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[1] | 288 | ENDDO |
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[1216] | 289 | !$acc end data |
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[683] | 290 | !$OMP END PARALLEL |
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[1] | 291 | |
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| 292 | ! |
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| 293 | !-- Transpose array |
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| 294 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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[622] | 295 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1111] | 296 | CALL MPI_ALLTOALL( work(nys_x,1,nzb_x,0), sendrecvcount_zx, MPI_REAL, & |
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| 297 | f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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[1] | 298 | comm1dx, ierr ) |
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[1111] | 299 | !$acc update device( f_inv ) |
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[1] | 300 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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[1106] | 301 | #endif |
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| 302 | |
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[1] | 303 | ELSE |
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[1106] | 304 | |
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[1] | 305 | ! |
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| 306 | !-- Reorder the array in a way that the z index is in first position |
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[683] | 307 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 308 | !$OMP DO |
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[1216] | 309 | !$acc kernels present( f_in, f_inv ) |
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[1111] | 310 | !$acc loop |
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[1003] | 311 | DO i = nxl, nxr |
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| 312 | DO j = nys, nyn |
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[1111] | 313 | !$acc loop vector( 32 ) |
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[1003] | 314 | DO k = 1, nz |
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[164] | 315 | f_inv(j,i,k) = f_in(i,j,k) |
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[1] | 316 | ENDDO |
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| 317 | ENDDO |
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| 318 | ENDDO |
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[1111] | 319 | !$acc end kernels |
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[683] | 320 | !$OMP END PARALLEL |
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[1] | 321 | |
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[164] | 322 | ENDIF |
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| 323 | |
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[1] | 324 | END SUBROUTINE transpose_xz |
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| 325 | |
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| 326 | |
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[1216] | 327 | SUBROUTINE resort_for_yx( f_inv, f_out ) |
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[1] | 328 | |
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| 329 | !------------------------------------------------------------------------------! |
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| 330 | ! Description: |
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| 331 | ! ------------ |
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[1216] | 332 | ! Resorting data after the transposition from y to x. The transposition itself |
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| 333 | ! is carried out in transpose_yx |
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| 334 | !------------------------------------------------------------------------------! |
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| 335 | |
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| 336 | USE indices |
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| 337 | USE transpose_indices |
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| 338 | |
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| 339 | IMPLICIT NONE |
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| 340 | |
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| 341 | REAL :: f_inv(nys_x:nyn_x,nzb_x:nzt_x,0:nx) |
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| 342 | REAL :: f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) |
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| 343 | |
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| 344 | |
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| 345 | INTEGER :: i, j, k |
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| 346 | |
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| 347 | ! |
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| 348 | !-- Rearrange indices of input array in order to make data to be send |
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| 349 | !-- by MPI contiguous |
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| 350 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 351 | !$OMP DO |
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| 352 | !$acc kernels present( f_inv, f_out ) |
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| 353 | !$acc loop |
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| 354 | DO i = 0, nx |
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| 355 | DO k = nzb_x, nzt_x |
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| 356 | !$acc loop vector( 32 ) |
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| 357 | DO j = nys_x, nyn_x |
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| 358 | f_out(i,j,k) = f_inv(j,k,i) |
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| 359 | ENDDO |
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| 360 | ENDDO |
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| 361 | ENDDO |
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| 362 | !$acc end kernels |
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| 363 | !$OMP END PARALLEL |
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| 364 | |
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| 365 | END SUBROUTINE resort_for_yx |
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| 366 | |
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| 367 | |
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| 368 | SUBROUTINE transpose_yx( f_in, f_inv ) |
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| 369 | |
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| 370 | !------------------------------------------------------------------------------! |
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| 371 | ! Description: |
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| 372 | ! ------------ |
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[1] | 373 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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| 374 | ! elements along y reside on the same PE, while after transposition, all |
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| 375 | ! elements along x reside on the same PE. |
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| 376 | !------------------------------------------------------------------------------! |
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| 377 | |
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| 378 | USE cpulog |
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| 379 | USE indices |
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| 380 | USE interfaces |
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| 381 | USE pegrid |
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| 382 | USE transpose_indices |
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| 383 | |
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| 384 | IMPLICIT NONE |
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| 385 | |
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[1111] | 386 | INTEGER :: i, j, k, l, ys |
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[1] | 387 | |
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[1216] | 388 | 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] | 389 | |
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[1111] | 390 | REAL, DIMENSION(nyn_x-nys_x+1,nzb_y:nzt_y,nxl_y:nxr_y,0:pdims(2)-1) :: work |
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| 391 | |
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| 392 | |
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[1106] | 393 | IF ( numprocs /= 1 ) THEN |
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| 394 | |
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[1] | 395 | #if defined( __parallel ) |
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| 396 | ! |
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[1106] | 397 | !-- Reorder input array for transposition |
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[1111] | 398 | !$OMP PARALLEL PRIVATE ( i, j, k, l, ys ) |
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[683] | 399 | !$OMP DO |
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[1216] | 400 | !$acc data copyout( work ) |
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[1106] | 401 | DO l = 0, pdims(2) - 1 |
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| 402 | ys = 0 + l * ( nyn_x - nys_x + 1 ) |
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[1111] | 403 | !$acc kernels present( f_in, work ) |
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| 404 | !$acc loop |
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[1106] | 405 | DO i = nxl_y, nxr_y |
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| 406 | DO k = nzb_y, nzt_y |
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[1111] | 407 | !$acc loop vector( 32 ) |
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[1106] | 408 | DO j = ys, ys + nyn_x - nys_x |
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[1111] | 409 | work(j-ys+1,k,i,l) = f_in(j,i,k) |
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[1106] | 410 | ENDDO |
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| 411 | ENDDO |
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| 412 | ENDDO |
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[1111] | 413 | !$acc end kernels |
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[1106] | 414 | ENDDO |
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[1216] | 415 | !$acc end data |
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[1106] | 416 | !$OMP END PARALLEL |
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| 417 | |
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| 418 | ! |
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| 419 | !-- Transpose array |
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| 420 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 421 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1111] | 422 | CALL MPI_ALLTOALL( work(1,nzb_y,nxl_y,0), sendrecvcount_xy, MPI_REAL, & |
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| 423 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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[1106] | 424 | comm1dy, ierr ) |
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[1111] | 425 | !$acc update device( f_inv ) |
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[1106] | 426 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 427 | #endif |
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| 428 | |
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| 429 | ELSE |
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| 430 | |
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| 431 | ! |
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| 432 | !-- Reorder array f_in the same way as ALLTOALL did it |
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| 433 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 434 | !$OMP DO |
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[1216] | 435 | !$acc kernels present( f_in, f_inv ) |
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[1111] | 436 | !$acc loop |
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[1003] | 437 | DO i = nxl_y, nxr_y |
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| 438 | DO k = nzb_y, nzt_y |
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[1111] | 439 | !$acc loop vector( 32 ) |
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[1106] | 440 | DO j = 0, ny |
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| 441 | f_inv(j,k,i) = f_in(j,i,k) |
---|
[1] | 442 | ENDDO |
---|
| 443 | ENDDO |
---|
| 444 | ENDDO |
---|
[1111] | 445 | !$acc end kernels |
---|
[683] | 446 | !$OMP END PARALLEL |
---|
[1] | 447 | |
---|
[1106] | 448 | ENDIF |
---|
[1] | 449 | |
---|
| 450 | END SUBROUTINE transpose_yx |
---|
| 451 | |
---|
| 452 | |
---|
[1216] | 453 | SUBROUTINE transpose_yxd( f_in, f_out ) |
---|
[1] | 454 | |
---|
| 455 | !------------------------------------------------------------------------------! |
---|
| 456 | ! Description: |
---|
| 457 | ! ------------ |
---|
| 458 | ! Transposition of input array (f_in) from y to x. For the input array, all |
---|
| 459 | ! elements along y reside on the same PE, while after transposition, all |
---|
| 460 | ! elements along x reside on the same PE. |
---|
| 461 | ! This is a direct transposition for arrays with indices in regular order |
---|
| 462 | ! (k,j,i) (cf. transpose_yx). |
---|
| 463 | !------------------------------------------------------------------------------! |
---|
| 464 | |
---|
| 465 | USE cpulog |
---|
| 466 | USE indices |
---|
| 467 | USE interfaces |
---|
| 468 | USE pegrid |
---|
| 469 | USE transpose_indices |
---|
| 470 | |
---|
| 471 | IMPLICIT NONE |
---|
| 472 | |
---|
[1092] | 473 | INTEGER :: i, j, k, l, m, xs |
---|
[1] | 474 | |
---|
[1003] | 475 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nxl:nxr,1:nz,nys:nyn), & |
---|
| 476 | f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x), & |
---|
[164] | 477 | work(nnx*nny*nnz) |
---|
[1] | 478 | |
---|
| 479 | #if defined( __parallel ) |
---|
| 480 | |
---|
| 481 | ! |
---|
| 482 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 483 | !-- by MPI contiguous |
---|
[1003] | 484 | DO k = 1, nz |
---|
| 485 | DO j = nys, nyn |
---|
| 486 | DO i = nxl, nxr |
---|
[164] | 487 | f_inv(i,k,j) = f_in(k,j,i) |
---|
[1] | 488 | ENDDO |
---|
| 489 | ENDDO |
---|
| 490 | ENDDO |
---|
| 491 | |
---|
| 492 | ! |
---|
| 493 | !-- Transpose array |
---|
| 494 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
[622] | 495 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1] | 496 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
---|
[164] | 497 | work(1), sendrecvcount_xy, MPI_REAL, & |
---|
[1] | 498 | comm1dx, ierr ) |
---|
| 499 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
| 500 | |
---|
| 501 | ! |
---|
| 502 | !-- Reorder transposed array |
---|
| 503 | m = 0 |
---|
| 504 | DO l = 0, pdims(1) - 1 |
---|
| 505 | xs = 0 + l * nnx |
---|
[1003] | 506 | DO j = nys_x, nyn_x |
---|
| 507 | DO k = 1, nz |
---|
[1] | 508 | DO i = xs, xs + nnx - 1 |
---|
| 509 | m = m + 1 |
---|
[164] | 510 | f_out(i,j,k) = work(m) |
---|
[1] | 511 | ENDDO |
---|
| 512 | ENDDO |
---|
| 513 | ENDDO |
---|
| 514 | ENDDO |
---|
| 515 | |
---|
| 516 | #endif |
---|
| 517 | |
---|
| 518 | END SUBROUTINE transpose_yxd |
---|
| 519 | |
---|
| 520 | |
---|
[1216] | 521 | SUBROUTINE resort_for_yz( f_in, f_inv ) |
---|
[1] | 522 | |
---|
| 523 | !------------------------------------------------------------------------------! |
---|
| 524 | ! Description: |
---|
| 525 | ! ------------ |
---|
[1216] | 526 | ! Resorting data for the transposition from y to z. The transposition itself |
---|
| 527 | ! is carried out in transpose_yz |
---|
| 528 | !------------------------------------------------------------------------------! |
---|
| 529 | |
---|
| 530 | USE indices |
---|
| 531 | USE transpose_indices |
---|
| 532 | |
---|
| 533 | IMPLICIT NONE |
---|
| 534 | |
---|
| 535 | REAL :: f_in(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) |
---|
| 536 | REAL :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) |
---|
| 537 | |
---|
| 538 | |
---|
| 539 | INTEGER :: i, j, k |
---|
| 540 | |
---|
| 541 | ! |
---|
| 542 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 543 | !-- by MPI contiguous |
---|
| 544 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 545 | !$OMP DO |
---|
| 546 | !$acc kernels present( f_in, f_inv ) |
---|
| 547 | !$acc loop |
---|
| 548 | DO j = 0, ny |
---|
| 549 | DO k = nzb_y, nzt_y |
---|
| 550 | !$acc loop vector( 32 ) |
---|
| 551 | DO i = nxl_y, nxr_y |
---|
| 552 | f_inv(i,k,j) = f_in(j,i,k) |
---|
| 553 | ENDDO |
---|
| 554 | ENDDO |
---|
| 555 | ENDDO |
---|
| 556 | !$acc end kernels |
---|
| 557 | !$OMP END PARALLEL |
---|
| 558 | |
---|
| 559 | END SUBROUTINE resort_for_yz |
---|
| 560 | |
---|
| 561 | |
---|
| 562 | SUBROUTINE transpose_yz( f_inv, f_out ) |
---|
| 563 | |
---|
| 564 | !------------------------------------------------------------------------------! |
---|
| 565 | ! Description: |
---|
| 566 | ! ------------ |
---|
[1] | 567 | ! Transposition of input array (f_in) from y to z. For the input array, all |
---|
| 568 | ! elements along y reside on the same PE, while after transposition, all |
---|
| 569 | ! elements along z reside on the same PE. |
---|
| 570 | !------------------------------------------------------------------------------! |
---|
| 571 | |
---|
| 572 | USE cpulog |
---|
| 573 | USE indices |
---|
| 574 | USE interfaces |
---|
| 575 | USE pegrid |
---|
| 576 | USE transpose_indices |
---|
| 577 | |
---|
| 578 | IMPLICIT NONE |
---|
| 579 | |
---|
[1111] | 580 | INTEGER :: i, j, k, l, zs |
---|
[1] | 581 | |
---|
[1216] | 582 | REAL :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny), f_out(nxl_z:nxr_z,nys_z:nyn_z,1:nz) |
---|
[1] | 583 | |
---|
[1111] | 584 | REAL, DIMENSION(nxl_z:nxr_z,nzt_y-nzb_y+1,nys_z:nyn_z,0:pdims(1)-1) :: work |
---|
| 585 | |
---|
| 586 | |
---|
[1] | 587 | ! |
---|
| 588 | !-- If the PE grid is one-dimensional along y, only local reordering |
---|
| 589 | !-- of the data is necessary and no transposition has to be done. |
---|
| 590 | IF ( pdims(1) == 1 ) THEN |
---|
[1106] | 591 | |
---|
[683] | 592 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 593 | !$OMP DO |
---|
[1216] | 594 | !$acc kernels present( f_inv, f_out ) |
---|
[1111] | 595 | !$acc loop |
---|
[1003] | 596 | DO j = 0, ny |
---|
| 597 | DO k = nzb_y, nzt_y |
---|
[1111] | 598 | !$acc loop vector( 32 ) |
---|
[1003] | 599 | DO i = nxl_y, nxr_y |
---|
[164] | 600 | f_out(i,j,k) = f_inv(i,k,j) |
---|
[1] | 601 | ENDDO |
---|
| 602 | ENDDO |
---|
| 603 | ENDDO |
---|
[1111] | 604 | !$acc end kernels |
---|
[683] | 605 | !$OMP END PARALLEL |
---|
[1] | 606 | |
---|
[1106] | 607 | ELSE |
---|
| 608 | |
---|
| 609 | #if defined( __parallel ) |
---|
[1] | 610 | ! |
---|
[1106] | 611 | !-- Transpose array |
---|
| 612 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
| 613 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1111] | 614 | !$acc update host( f_inv ) |
---|
| 615 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
---|
| 616 | work(nxl_z,1,nys_z,0), sendrecvcount_yz, MPI_REAL, & |
---|
[1106] | 617 | comm1dx, ierr ) |
---|
| 618 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
[1] | 619 | |
---|
| 620 | ! |
---|
[1106] | 621 | !-- Reorder transposed array |
---|
[1111] | 622 | !$OMP PARALLEL PRIVATE ( i, j, k, l, zs ) |
---|
[683] | 623 | !$OMP DO |
---|
[1216] | 624 | !$acc data copyin( work ) |
---|
[1106] | 625 | DO l = 0, pdims(1) - 1 |
---|
| 626 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
---|
[1216] | 627 | !$acc kernels present( f_out ) |
---|
[1111] | 628 | !$acc loop |
---|
[1106] | 629 | DO j = nys_z, nyn_z |
---|
| 630 | DO k = zs, zs + nzt_y - nzb_y |
---|
[1111] | 631 | !$acc loop vector( 32 ) |
---|
[1106] | 632 | DO i = nxl_z, nxr_z |
---|
[1111] | 633 | f_out(i,j,k) = work(i,k-zs+1,j,l) |
---|
[1106] | 634 | ENDDO |
---|
[1] | 635 | ENDDO |
---|
| 636 | ENDDO |
---|
[1111] | 637 | !$acc end kernels |
---|
[1] | 638 | ENDDO |
---|
[1216] | 639 | !$acc end data |
---|
[683] | 640 | !$OMP END PARALLEL |
---|
[1] | 641 | #endif |
---|
| 642 | |
---|
[1106] | 643 | ENDIF |
---|
| 644 | |
---|
[1] | 645 | END SUBROUTINE transpose_yz |
---|
| 646 | |
---|
| 647 | |
---|
[1216] | 648 | SUBROUTINE resort_for_zx( f_in, f_inv ) |
---|
[1] | 649 | |
---|
| 650 | !------------------------------------------------------------------------------! |
---|
| 651 | ! Description: |
---|
| 652 | ! ------------ |
---|
[1216] | 653 | ! Resorting data for the transposition from z to x. The transposition itself |
---|
| 654 | ! is carried out in transpose_zx |
---|
| 655 | !------------------------------------------------------------------------------! |
---|
| 656 | |
---|
| 657 | USE indices |
---|
| 658 | USE transpose_indices |
---|
| 659 | |
---|
| 660 | IMPLICIT NONE |
---|
| 661 | |
---|
| 662 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr) |
---|
| 663 | REAL :: f_inv(nys:nyn,nxl:nxr,1:nz) |
---|
| 664 | |
---|
| 665 | |
---|
| 666 | INTEGER :: i, j, k |
---|
| 667 | |
---|
| 668 | ! |
---|
| 669 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 670 | !-- by MPI contiguous |
---|
| 671 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 672 | !$OMP DO |
---|
| 673 | !$acc kernels present( f_in, f_inv ) |
---|
| 674 | !$acc loop |
---|
| 675 | DO k = 1,nz |
---|
| 676 | DO i = nxl, nxr |
---|
| 677 | !$acc loop vector( 32 ) |
---|
| 678 | DO j = nys, nyn |
---|
| 679 | f_inv(j,i,k) = f_in(k,j,i) |
---|
| 680 | ENDDO |
---|
| 681 | ENDDO |
---|
| 682 | ENDDO |
---|
| 683 | !$acc end kernels |
---|
| 684 | !$OMP END PARALLEL |
---|
| 685 | |
---|
| 686 | END SUBROUTINE resort_for_zx |
---|
| 687 | |
---|
| 688 | |
---|
| 689 | SUBROUTINE transpose_zx( f_inv, f_out ) |
---|
| 690 | |
---|
| 691 | !------------------------------------------------------------------------------! |
---|
| 692 | ! Description: |
---|
| 693 | ! ------------ |
---|
[1] | 694 | ! Transposition of input array (f_in) from z to x. For the input array, all |
---|
| 695 | ! elements along z reside on the same PE, while after transposition, all |
---|
| 696 | ! elements along x reside on the same PE. |
---|
| 697 | !------------------------------------------------------------------------------! |
---|
| 698 | |
---|
| 699 | USE cpulog |
---|
| 700 | USE indices |
---|
| 701 | USE interfaces |
---|
| 702 | USE pegrid |
---|
| 703 | USE transpose_indices |
---|
| 704 | |
---|
| 705 | IMPLICIT NONE |
---|
| 706 | |
---|
[1111] | 707 | INTEGER :: i, j, k, l, xs |
---|
[1] | 708 | |
---|
[1216] | 709 | REAL :: f_inv(nys:nyn,nxl:nxr,1:nz), f_out(0:nx,nys_x:nyn_x,nzb_x:nzt_x) |
---|
[1] | 710 | |
---|
[1111] | 711 | REAL, DIMENSION(nys_x:nyn_x,nnx,nzb_x:nzt_x,0:pdims(1)-1) :: work |
---|
| 712 | |
---|
[1] | 713 | |
---|
| 714 | ! |
---|
| 715 | !-- If the PE grid is one-dimensional along y, only local reordering |
---|
| 716 | !-- of the data is necessary and no transposition has to be done. |
---|
| 717 | IF ( pdims(1) == 1 ) THEN |
---|
[1106] | 718 | |
---|
[683] | 719 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 720 | !$OMP DO |
---|
[1216] | 721 | !$acc kernels present( f_inv, f_out ) |
---|
[1106] | 722 | !$acc loop |
---|
[1003] | 723 | DO k = 1, nz |
---|
| 724 | DO i = nxl, nxr |
---|
[1106] | 725 | !$acc loop vector( 32 ) |
---|
[1003] | 726 | DO j = nys, nyn |
---|
[164] | 727 | f_out(i,j,k) = f_inv(j,i,k) |
---|
[1] | 728 | ENDDO |
---|
| 729 | ENDDO |
---|
| 730 | ENDDO |
---|
[1111] | 731 | !$acc end kernels |
---|
[683] | 732 | !$OMP END PARALLEL |
---|
[1] | 733 | |
---|
[1106] | 734 | ELSE |
---|
| 735 | |
---|
| 736 | #if defined( __parallel ) |
---|
[1] | 737 | ! |
---|
[1106] | 738 | !-- Transpose array |
---|
| 739 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
| 740 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1111] | 741 | !$acc update host( f_inv ) |
---|
| 742 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
---|
| 743 | work(nys_x,1,nzb_x,0), sendrecvcount_zx, MPI_REAL, & |
---|
[1106] | 744 | comm1dx, ierr ) |
---|
| 745 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
[1] | 746 | |
---|
| 747 | ! |
---|
[1106] | 748 | !-- Reorder transposed array |
---|
[1111] | 749 | !$OMP PARALLEL PRIVATE ( i, j, k, l, xs ) |
---|
[683] | 750 | !$OMP DO |
---|
[1216] | 751 | !$acc data copyin( work ) |
---|
[1106] | 752 | DO l = 0, pdims(1) - 1 |
---|
| 753 | xs = 0 + l * nnx |
---|
[1216] | 754 | !$acc kernels present( f_out ) |
---|
[1111] | 755 | !$acc loop |
---|
[1106] | 756 | DO k = nzb_x, nzt_x |
---|
| 757 | DO i = xs, xs + nnx - 1 |
---|
[1111] | 758 | !$acc loop vector( 32 ) |
---|
[1106] | 759 | DO j = nys_x, nyn_x |
---|
[1111] | 760 | f_out(i,j,k) = work(j,i-xs+1,k,l) |
---|
[1106] | 761 | ENDDO |
---|
[1] | 762 | ENDDO |
---|
| 763 | ENDDO |
---|
[1111] | 764 | !$acc end kernels |
---|
[1] | 765 | ENDDO |
---|
[1216] | 766 | !$acc end data |
---|
[683] | 767 | !$OMP END PARALLEL |
---|
[1] | 768 | #endif |
---|
| 769 | |
---|
[1106] | 770 | ENDIF |
---|
| 771 | |
---|
[1] | 772 | END SUBROUTINE transpose_zx |
---|
| 773 | |
---|
| 774 | |
---|
[1216] | 775 | SUBROUTINE resort_for_zy( f_inv, f_out ) |
---|
[1] | 776 | |
---|
| 777 | !------------------------------------------------------------------------------! |
---|
| 778 | ! Description: |
---|
| 779 | ! ------------ |
---|
[1216] | 780 | ! Resorting data after the transposition from z to y. The transposition itself |
---|
| 781 | ! is carried out in transpose_zy |
---|
| 782 | !------------------------------------------------------------------------------! |
---|
| 783 | |
---|
| 784 | USE indices |
---|
| 785 | USE transpose_indices |
---|
| 786 | |
---|
| 787 | IMPLICIT NONE |
---|
| 788 | |
---|
| 789 | REAL :: f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) |
---|
| 790 | REAL :: f_out(0:ny,nxl_y:nxr_y,nzb_y:nzt_y) |
---|
| 791 | |
---|
| 792 | |
---|
| 793 | INTEGER :: i, j, k |
---|
| 794 | |
---|
| 795 | ! |
---|
| 796 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 797 | !-- by MPI contiguous |
---|
| 798 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
---|
| 799 | !$OMP DO |
---|
| 800 | !$acc kernels present( f_inv, f_out ) |
---|
| 801 | !$acc loop |
---|
| 802 | DO k = nzb_y, nzt_y |
---|
| 803 | DO j = 0, ny |
---|
| 804 | !$acc loop vector( 32 ) |
---|
| 805 | DO i = nxl_y, nxr_y |
---|
| 806 | f_out(j,i,k) = f_inv(i,k,j) |
---|
| 807 | ENDDO |
---|
| 808 | ENDDO |
---|
| 809 | ENDDO |
---|
| 810 | !$acc end kernels |
---|
| 811 | !$OMP END PARALLEL |
---|
| 812 | |
---|
| 813 | END SUBROUTINE resort_for_zy |
---|
| 814 | |
---|
| 815 | |
---|
| 816 | SUBROUTINE transpose_zy( f_in, f_inv ) |
---|
| 817 | |
---|
| 818 | !------------------------------------------------------------------------------! |
---|
| 819 | ! Description: |
---|
| 820 | ! ------------ |
---|
[1] | 821 | ! Transposition of input array (f_in) from z to y. For the input array, all |
---|
| 822 | ! elements along z reside on the same PE, while after transposition, all |
---|
| 823 | ! elements along y reside on the same PE. |
---|
| 824 | !------------------------------------------------------------------------------! |
---|
| 825 | |
---|
| 826 | USE cpulog |
---|
| 827 | USE indices |
---|
| 828 | USE interfaces |
---|
| 829 | USE pegrid |
---|
| 830 | USE transpose_indices |
---|
| 831 | |
---|
| 832 | IMPLICIT NONE |
---|
| 833 | |
---|
[1111] | 834 | INTEGER :: i, j, k, l, zs |
---|
[1] | 835 | |
---|
[1216] | 836 | REAL :: f_in(nxl_z:nxr_z,nys_z:nyn_z,1:nz), f_inv(nxl_y:nxr_y,nzb_y:nzt_y,0:ny) |
---|
[1] | 837 | |
---|
[1111] | 838 | REAL, DIMENSION(nxl_z:nxr_z,nzt_y-nzb_y+1,nys_z:nyn_z,0:pdims(1)-1) :: work |
---|
| 839 | |
---|
| 840 | |
---|
[1] | 841 | ! |
---|
| 842 | !-- If the PE grid is one-dimensional along y, the array has only to be |
---|
| 843 | !-- reordered locally and therefore no transposition has to be done. |
---|
| 844 | IF ( pdims(1) /= 1 ) THEN |
---|
[1106] | 845 | |
---|
| 846 | #if defined( __parallel ) |
---|
[1] | 847 | ! |
---|
| 848 | !-- Reorder input array for transposition |
---|
[1111] | 849 | !$OMP PARALLEL PRIVATE ( i, j, k, l, zs ) |
---|
[683] | 850 | !$OMP DO |
---|
[1216] | 851 | !$acc data copyout( work ) |
---|
[1] | 852 | DO l = 0, pdims(1) - 1 |
---|
[1003] | 853 | zs = 1 + l * ( nzt_y - nzb_y + 1 ) |
---|
[1111] | 854 | !$acc kernels present( f_in, work ) |
---|
| 855 | !$acc loop |
---|
[1003] | 856 | DO j = nys_z, nyn_z |
---|
| 857 | DO k = zs, zs + nzt_y - nzb_y |
---|
[1111] | 858 | !$acc loop vector( 32 ) |
---|
[1003] | 859 | DO i = nxl_z, nxr_z |
---|
[1111] | 860 | work(i,k-zs+1,j,l) = f_in(i,j,k) |
---|
[1] | 861 | ENDDO |
---|
| 862 | ENDDO |
---|
| 863 | ENDDO |
---|
[1111] | 864 | !$acc end kernels |
---|
[1] | 865 | ENDDO |
---|
[1216] | 866 | !$acc end data |
---|
[683] | 867 | !$OMP END PARALLEL |
---|
[1] | 868 | |
---|
| 869 | ! |
---|
| 870 | !-- Transpose array |
---|
| 871 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
[622] | 872 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1111] | 873 | CALL MPI_ALLTOALL( work(nxl_z,1,nys_z,0), sendrecvcount_yz, MPI_REAL, & |
---|
| 874 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
---|
[1] | 875 | comm1dx, ierr ) |
---|
[1111] | 876 | !$acc update device( f_inv ) |
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[1] | 877 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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[1106] | 878 | #endif |
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[1] | 879 | |
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| 880 | ELSE |
---|
| 881 | ! |
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[1106] | 882 | !-- Reorder the array in the same way like ALLTOALL did it |
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[683] | 883 | !$OMP PARALLEL PRIVATE ( i, j, k ) |
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| 884 | !$OMP DO |
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[1216] | 885 | !$acc kernels present( f_in, f_inv ) |
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[1111] | 886 | !$acc loop |
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[1003] | 887 | DO k = nzb_y, nzt_y |
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| 888 | DO j = 0, ny |
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[1111] | 889 | !$acc loop vector( 32 ) |
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[1003] | 890 | DO i = nxl_y, nxr_y |
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[164] | 891 | f_inv(i,k,j) = f_in(i,j,k) |
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| 892 | ENDDO |
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| 893 | ENDDO |
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| 894 | ENDDO |
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[1111] | 895 | !$acc end kernels |
---|
[683] | 896 | !$OMP END PARALLEL |
---|
[1106] | 897 | |
---|
| 898 | ENDIF |
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| 899 | |
---|
[1] | 900 | END SUBROUTINE transpose_zy |
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| 901 | |
---|
| 902 | |
---|
[1216] | 903 | SUBROUTINE transpose_zyd( f_in, f_out ) |
---|
[1] | 904 | |
---|
| 905 | !------------------------------------------------------------------------------! |
---|
| 906 | ! Description: |
---|
| 907 | ! ------------ |
---|
| 908 | ! Transposition of input array (f_in) from z to y. For the input array, all |
---|
| 909 | ! elements along z reside on the same PE, while after transposition, all |
---|
| 910 | ! elements along y reside on the same PE. |
---|
| 911 | ! This is a direct transposition for arrays with indices in regular order |
---|
| 912 | ! (k,j,i) (cf. transpose_zy). |
---|
| 913 | !------------------------------------------------------------------------------! |
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| 914 | |
---|
| 915 | USE cpulog |
---|
| 916 | USE indices |
---|
| 917 | USE interfaces |
---|
| 918 | USE pegrid |
---|
| 919 | USE transpose_indices |
---|
| 920 | |
---|
| 921 | IMPLICIT NONE |
---|
| 922 | |
---|
| 923 | INTEGER :: i, j, k, l, m, ys |
---|
| 924 | |
---|
[1003] | 925 | REAL :: f_in(1:nz,nys:nyn,nxl:nxr), f_inv(nys:nyn,nxl:nxr,1:nz), & |
---|
| 926 | f_out(0:ny,nxl_yd:nxr_yd,nzb_yd:nzt_yd), & |
---|
[164] | 927 | work(nnx*nny*nnz) |
---|
[1] | 928 | |
---|
| 929 | #if defined( __parallel ) |
---|
| 930 | |
---|
| 931 | ! |
---|
| 932 | !-- Rearrange indices of input array in order to make data to be send |
---|
| 933 | !-- by MPI contiguous |
---|
[1003] | 934 | DO i = nxl, nxr |
---|
| 935 | DO j = nys, nyn |
---|
| 936 | DO k = 1, nz |
---|
[164] | 937 | f_inv(j,i,k) = f_in(k,j,i) |
---|
[1] | 938 | ENDDO |
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| 939 | ENDDO |
---|
| 940 | ENDDO |
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| 941 | |
---|
| 942 | ! |
---|
| 943 | !-- Move data to different array, because memory location of work1 is |
---|
| 944 | !-- needed further below (work1 = work2). |
---|
| 945 | !-- If the PE grid is one-dimensional along x, only local reordering |
---|
| 946 | !-- of the data is necessary and no transposition has to be done. |
---|
| 947 | IF ( pdims(2) == 1 ) THEN |
---|
[1003] | 948 | DO k = 1, nz |
---|
| 949 | DO i = nxl, nxr |
---|
| 950 | DO j = nys, nyn |
---|
[164] | 951 | f_out(j,i,k) = f_inv(j,i,k) |
---|
[1] | 952 | ENDDO |
---|
| 953 | ENDDO |
---|
| 954 | ENDDO |
---|
| 955 | RETURN |
---|
| 956 | ENDIF |
---|
| 957 | |
---|
| 958 | ! |
---|
| 959 | !-- Transpose array |
---|
| 960 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
---|
[622] | 961 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
---|
[1] | 962 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
---|
[164] | 963 | work(1), sendrecvcount_zyd, MPI_REAL, & |
---|
[1] | 964 | comm1dy, ierr ) |
---|
| 965 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
---|
| 966 | |
---|
| 967 | ! |
---|
| 968 | !-- Reorder transposed array |
---|
| 969 | m = 0 |
---|
| 970 | DO l = 0, pdims(2) - 1 |
---|
| 971 | ys = 0 + l * nny |
---|
[1003] | 972 | DO k = nzb_yd, nzt_yd |
---|
| 973 | DO i = nxl_yd, nxr_yd |
---|
[1] | 974 | DO j = ys, ys + nny - 1 |
---|
| 975 | m = m + 1 |
---|
[164] | 976 | f_out(j,i,k) = work(m) |
---|
[1] | 977 | ENDDO |
---|
| 978 | ENDDO |
---|
| 979 | ENDDO |
---|
| 980 | ENDDO |
---|
| 981 | |
---|
| 982 | #endif |
---|
| 983 | |
---|
| 984 | END SUBROUTINE transpose_zyd |
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