| 1 | SUBROUTINE transpose_xy( f_in, work, f_out ) |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Actual revisions: |
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| 5 | ! ----------------- |
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| 6 | ! f_inv changed from subroutine argument to automatic array in order to do |
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| 7 | ! re-ordering from f_in to f_inv in one step, one array work is needed instead |
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| 8 | ! of work1 and work2 |
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| 9 | ! |
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| 10 | ! Former revisions: |
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| 11 | ! ----------------- |
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| 12 | ! $Id: transpose.f90 164 2008-05-15 08:46:15Z steinfeld $ |
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| 13 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 14 | ! |
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| 15 | ! Revision 1.2 2004/04/30 13:12:17 raasch |
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| 16 | ! Switched from mpi_alltoallv to the simpler mpi_alltoall, |
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| 17 | ! all former transpose-routine files collected in this file, enlarged |
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| 18 | ! transposition arrays introduced |
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| 19 | ! |
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| 20 | ! Revision 1.1 2004/04/30 13:08:16 raasch |
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| 21 | ! Initial revision (collection of former routines transpose_xy, transpose_xz, |
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| 22 | ! transpose_yx, transpose_yz, transpose_zx, transpose_zy) |
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| 23 | ! |
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| 24 | ! Revision 1.1 1997/07/24 11:25:18 raasch |
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| 25 | ! Initial revision |
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| 26 | ! |
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| 27 | ! |
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| 28 | ! Description: |
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| 29 | ! ------------ |
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| 30 | ! Transposition of input array (f_in) from x to y. For the input array, all |
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| 31 | ! elements along x reside on the same PE, while after transposition, all |
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| 32 | ! elements along y reside on the same PE. |
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| 33 | !------------------------------------------------------------------------------! |
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| 34 | |
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| 35 | USE cpulog |
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| 36 | USE indices |
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| 37 | USE interfaces |
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| 38 | USE pegrid |
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| 39 | USE transpose_indices |
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| 40 | |
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| 41 | IMPLICIT NONE |
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| 42 | |
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| 43 | INTEGER :: i, j, k, l, m, ys |
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| 44 | |
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| 45 | REAL :: f_in(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 46 | f_inv(nys_x:nyn_xa,nzb_x:nzt_xa,0:nxa), & |
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| 47 | f_out(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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| 48 | work(nnx*nny*nnz) |
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| 49 | |
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| 50 | #if defined( __parallel ) |
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| 51 | |
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| 52 | ! |
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| 53 | !-- Rearrange indices of input array in order to make data to be send |
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| 54 | !-- by MPI contiguous |
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| 55 | DO i = 0, nxa |
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| 56 | DO k = nzb_x, nzt_xa |
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| 57 | DO j = nys_x, nyn_xa |
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| 58 | f_inv(j,k,i) = f_in(i,j,k) |
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| 59 | ENDDO |
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| 60 | ENDDO |
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| 61 | ENDDO |
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| 62 | |
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| 63 | ! |
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| 64 | !-- Transpose array |
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| 65 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 66 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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| 67 | work(1), sendrecvcount_xy, MPI_REAL, & |
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| 68 | comm1dy, ierr ) |
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| 69 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 70 | |
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| 71 | ! |
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| 72 | !-- Reorder transposed array |
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| 73 | m = 0 |
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| 74 | DO l = 0, pdims(2) - 1 |
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| 75 | ys = 0 + l * ( nyn_xa - nys_x + 1 ) |
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| 76 | DO i = nxl_y, nxr_ya |
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| 77 | DO k = nzb_y, nzt_ya |
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| 78 | DO j = ys, ys + nyn_xa - nys_x |
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| 79 | m = m + 1 |
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| 80 | f_out(j,i,k) = work(m) |
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| 81 | ENDDO |
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| 82 | ENDDO |
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| 83 | ENDDO |
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| 84 | ENDDO |
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| 85 | |
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| 86 | #endif |
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| 87 | |
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| 88 | END SUBROUTINE transpose_xy |
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| 89 | |
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| 90 | |
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| 91 | SUBROUTINE transpose_xz( f_in, work, f_out ) |
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| 92 | |
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| 93 | !------------------------------------------------------------------------------! |
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| 94 | ! Description: |
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| 95 | ! ------------ |
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| 96 | ! Transposition of input array (f_in) from x to z. For the input array, all |
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| 97 | ! elements along x reside on the same PE, while after transposition, all |
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| 98 | ! elements along z reside on the same PE. |
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| 99 | !------------------------------------------------------------------------------! |
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| 100 | |
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| 101 | USE cpulog |
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| 102 | USE indices |
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| 103 | USE interfaces |
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| 104 | USE pegrid |
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| 105 | USE transpose_indices |
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| 106 | |
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| 107 | IMPLICIT NONE |
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| 108 | |
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| 109 | INTEGER :: i, j, k, l, m, xs |
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| 110 | |
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| 111 | REAL :: f_in(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 112 | f_inv(nys:nyna,nxl:nxra,1:nza), & |
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| 113 | f_out(1:nza,nys:nyna,nxl:nxra), & |
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| 114 | work(nnx*nny*nnz) |
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| 115 | |
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| 116 | #if defined( __parallel ) |
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| 117 | |
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| 118 | ! |
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| 119 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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| 120 | !-- reordered locally and therefore no transposition has to be done. |
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| 121 | IF ( pdims(1) /= 1 ) THEN |
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| 122 | ! |
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| 123 | !-- Reorder input array for transposition |
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| 124 | m = 0 |
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| 125 | DO l = 0, pdims(1) - 1 |
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| 126 | xs = 0 + l * nnx |
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| 127 | DO k = nzb_x, nzt_xa |
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| 128 | DO i = xs, xs + nnx - 1 |
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| 129 | DO j = nys_x, nyn_xa |
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| 130 | m = m + 1 |
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| 131 | work(m) = f_in(i,j,k) |
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| 132 | ENDDO |
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| 133 | ENDDO |
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| 134 | ENDDO |
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| 135 | ENDDO |
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| 136 | |
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| 137 | ! |
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| 138 | !-- Transpose array |
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| 139 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 140 | CALL MPI_ALLTOALL( work(1), sendrecvcount_zx, MPI_REAL, & |
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| 141 | f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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| 142 | comm1dx, ierr ) |
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| 143 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 144 | |
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| 145 | ! |
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| 146 | !-- Reorder transposed array in a way that the z index is in first position |
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| 147 | DO k = 1, nza |
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| 148 | DO i = nxl, nxra |
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| 149 | DO j = nys, nyna |
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| 150 | f_out(k,j,i) = f_inv(j,i,k) |
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| 151 | ENDDO |
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| 152 | ENDDO |
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| 153 | ENDDO |
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| 154 | ELSE |
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| 155 | ! |
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| 156 | !-- Reorder the array in a way that the z index is in first position |
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| 157 | DO i = nxl, nxra |
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| 158 | DO j = nys, nyna |
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| 159 | DO k = 1, nza |
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| 160 | f_inv(j,i,k) = f_in(i,j,k) |
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| 161 | ENDDO |
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| 162 | ENDDO |
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| 163 | ENDDO |
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| 164 | |
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| 165 | DO k = 1, nza |
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| 166 | DO i = nxl, nxra |
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| 167 | DO j = nys, nyna |
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| 168 | f_out(k,j,i) = f_inv(j,i,k) |
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| 169 | ENDDO |
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| 170 | ENDDO |
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| 171 | ENDDO |
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| 172 | |
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| 173 | ENDIF |
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| 174 | |
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| 175 | |
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| 176 | #endif |
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| 177 | |
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| 178 | END SUBROUTINE transpose_xz |
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| 179 | |
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| 180 | |
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| 181 | SUBROUTINE transpose_yx( f_in, work, f_out ) |
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| 182 | |
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| 183 | !------------------------------------------------------------------------------! |
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| 184 | ! Description: |
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| 185 | ! ------------ |
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| 186 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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| 187 | ! elements along y reside on the same PE, while after transposition, all |
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| 188 | ! elements along x reside on the same PE. |
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| 189 | !------------------------------------------------------------------------------! |
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| 190 | |
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| 191 | USE cpulog |
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| 192 | USE indices |
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| 193 | USE interfaces |
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| 194 | USE pegrid |
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| 195 | USE transpose_indices |
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| 196 | |
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| 197 | IMPLICIT NONE |
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| 198 | |
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| 199 | INTEGER :: i, j, k, l, m, ys |
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| 200 | |
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| 201 | REAL :: f_in(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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| 202 | f_inv(nys_x:nyn_xa,nzb_x:nzt_xa,0:nxa), & |
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| 203 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 204 | work(nnx*nny*nnz) |
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| 205 | |
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| 206 | #if defined( __parallel ) |
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| 207 | |
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| 208 | ! |
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| 209 | !-- Reorder input array for transposition |
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| 210 | m = 0 |
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| 211 | DO l = 0, pdims(2) - 1 |
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| 212 | ys = 0 + l * ( nyn_xa - nys_x + 1 ) |
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| 213 | DO i = nxl_y, nxr_ya |
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| 214 | DO k = nzb_y, nzt_ya |
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| 215 | DO j = ys, ys + nyn_xa - nys_x |
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| 216 | m = m + 1 |
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| 217 | work(m) = f_in(j,i,k) |
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| 218 | ENDDO |
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| 219 | ENDDO |
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| 220 | ENDDO |
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| 221 | ENDDO |
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| 222 | |
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| 223 | ! |
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| 224 | !-- Transpose array |
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| 225 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 226 | CALL MPI_ALLTOALL( work(1), sendrecvcount_xy, MPI_REAL, & |
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| 227 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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| 228 | comm1dy, ierr ) |
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| 229 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 230 | |
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| 231 | ! |
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| 232 | !-- Reorder transposed array in a way that the x index is in first position |
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| 233 | DO i = 0, nxa |
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| 234 | DO k = nzb_x, nzt_xa |
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| 235 | DO j = nys_x, nyn_xa |
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| 236 | f_out(i,j,k) = f_inv(j,k,i) |
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| 237 | ENDDO |
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| 238 | ENDDO |
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| 239 | ENDDO |
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| 240 | |
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| 241 | #endif |
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| 242 | |
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| 243 | END SUBROUTINE transpose_yx |
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| 244 | |
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| 245 | |
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| 246 | SUBROUTINE transpose_yxd( f_in, work, f_out ) |
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| 247 | |
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| 248 | !------------------------------------------------------------------------------! |
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| 249 | ! Description: |
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| 250 | ! ------------ |
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| 251 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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| 252 | ! elements along y reside on the same PE, while after transposition, all |
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| 253 | ! elements along x reside on the same PE. |
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| 254 | ! This is a direct transposition for arrays with indices in regular order |
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| 255 | ! (k,j,i) (cf. transpose_yx). |
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| 256 | !------------------------------------------------------------------------------! |
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| 257 | |
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| 258 | USE cpulog |
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| 259 | USE indices |
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| 260 | USE interfaces |
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| 261 | USE pegrid |
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| 262 | USE transpose_indices |
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| 263 | |
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| 264 | IMPLICIT NONE |
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| 265 | |
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| 266 | INTEGER :: i, j, k, l, m, recvcount_yx, sendcount_yx, xs |
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| 267 | |
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| 268 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nxl:nxra,1:nza,nys:nyna), & |
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| 269 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 270 | work(nnx*nny*nnz) |
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| 271 | |
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| 272 | #if defined( __parallel ) |
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| 273 | |
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| 274 | ! |
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| 275 | !-- Rearrange indices of input array in order to make data to be send |
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| 276 | !-- by MPI contiguous |
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| 277 | DO k = 1, nza |
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| 278 | DO j = nys, nyna |
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| 279 | DO i = nxl, nxra |
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| 280 | f_inv(i,k,j) = f_in(k,j,i) |
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| 281 | ENDDO |
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| 282 | ENDDO |
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| 283 | ENDDO |
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| 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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| 288 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
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| 289 | work(1), sendrecvcount_xy, MPI_REAL, & |
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| 290 | comm1dx, ierr ) |
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| 291 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 292 | |
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| 293 | ! |
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| 294 | !-- Reorder transposed array |
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| 295 | m = 0 |
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| 296 | DO l = 0, pdims(1) - 1 |
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| 297 | xs = 0 + l * nnx |
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| 298 | DO j = nys_x, nyn_xa |
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| 299 | DO k = 1, nza |
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| 300 | DO i = xs, xs + nnx - 1 |
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| 301 | m = m + 1 |
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| 302 | f_out(i,j,k) = work(m) |
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| 303 | ENDDO |
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| 304 | ENDDO |
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| 305 | ENDDO |
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| 306 | ENDDO |
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| 307 | |
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| 308 | #endif |
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| 309 | |
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| 310 | END SUBROUTINE transpose_yxd |
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| 311 | |
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| 312 | |
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| 313 | SUBROUTINE transpose_yz( f_in, work, f_out ) |
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| 314 | |
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| 315 | !------------------------------------------------------------------------------! |
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| 316 | ! Description: |
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| 317 | ! ------------ |
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| 318 | ! Transposition of input array (f_in) from y to z. For the input array, all |
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| 319 | ! elements along y reside on the same PE, while after transposition, all |
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| 320 | ! elements along z reside on the same PE. |
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| 321 | !------------------------------------------------------------------------------! |
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| 322 | |
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| 323 | USE cpulog |
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| 324 | USE indices |
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| 325 | USE interfaces |
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| 326 | USE pegrid |
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| 327 | USE transpose_indices |
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| 328 | |
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| 329 | IMPLICIT NONE |
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| 330 | |
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| 331 | INTEGER :: i, j, k, l, m, zs |
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| 332 | |
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| 333 | REAL :: f_in(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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| 334 | f_inv(nxl_y:nxr_ya,nzb_y:nzt_ya,0:nya), & |
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| 335 | f_out(nxl_z:nxr_za,nys_z:nyn_za,1:nza), & |
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| 336 | work(nnx*nny*nnz) |
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| 337 | |
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| 338 | #if defined( __parallel ) |
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| 339 | |
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| 340 | ! |
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| 341 | !-- Rearrange indices of input array in order to make data to be send |
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| 342 | !-- by MPI contiguous |
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| 343 | DO j = 0, nya |
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| 344 | DO k = nzb_y, nzt_ya |
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| 345 | DO i = nxl_y, nxr_ya |
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| 346 | f_inv(i,k,j) = f_in(j,i,k) |
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| 347 | ENDDO |
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| 348 | ENDDO |
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| 349 | ENDDO |
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| 350 | |
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| 351 | ! |
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| 352 | !-- Move data to different array, because memory location of work1 is |
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| 353 | !-- needed further below (work1 = work2). |
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| 354 | !-- If the PE grid is one-dimensional along y, only local reordering |
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| 355 | !-- of the data is necessary and no transposition has to be done. |
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| 356 | IF ( pdims(1) == 1 ) THEN |
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| 357 | DO j = 0, nya |
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| 358 | DO k = nzb_y, nzt_ya |
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| 359 | DO i = nxl_y, nxr_ya |
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| 360 | f_out(i,j,k) = f_inv(i,k,j) |
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| 361 | ENDDO |
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| 362 | ENDDO |
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| 363 | ENDDO |
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| 364 | RETURN |
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| 365 | ENDIF |
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| 366 | |
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| 367 | ! |
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| 368 | !-- Transpose array |
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| 369 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 370 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
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| 371 | work(1), sendrecvcount_yz, MPI_REAL, & |
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| 372 | comm1dx, ierr ) |
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| 373 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 374 | |
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| 375 | ! |
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| 376 | !-- Reorder transposed array |
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| 377 | m = 0 |
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| 378 | DO l = 0, pdims(1) - 1 |
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| 379 | zs = 1 + l * ( nzt_ya - nzb_y + 1 ) |
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| 380 | DO j = nys_z, nyn_za |
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| 381 | DO k = zs, zs + nzt_ya - nzb_y |
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| 382 | DO i = nxl_z, nxr_za |
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| 383 | m = m + 1 |
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| 384 | f_out(i,j,k) = work(m) |
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| 385 | ENDDO |
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| 386 | ENDDO |
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| 387 | ENDDO |
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| 388 | ENDDO |
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| 389 | |
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| 390 | #endif |
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| 391 | |
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| 392 | END SUBROUTINE transpose_yz |
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| 393 | |
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| 394 | |
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| 395 | SUBROUTINE transpose_zx( f_in, work, f_out ) |
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| 396 | |
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| 397 | !------------------------------------------------------------------------------! |
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| 398 | ! Description: |
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| 399 | ! ------------ |
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| 400 | ! Transposition of input array (f_in) from z to x. For the input array, all |
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| 401 | ! elements along z reside on the same PE, while after transposition, all |
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| 402 | ! elements along x reside on the same PE. |
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| 403 | !------------------------------------------------------------------------------! |
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| 404 | |
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| 405 | USE cpulog |
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| 406 | USE indices |
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| 407 | USE interfaces |
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| 408 | USE pegrid |
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| 409 | USE transpose_indices |
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| 410 | |
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| 411 | IMPLICIT NONE |
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| 412 | |
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| 413 | INTEGER :: i, j, k, l, m, xs |
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| 414 | |
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| 415 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nys:nyna,nxl:nxra,1:nza), & |
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| 416 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 417 | work(nnx*nny*nnz) |
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| 418 | |
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| 419 | #if defined( __parallel ) |
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| 420 | |
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| 421 | ! |
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| 422 | !-- Rearrange indices of input array in order to make data to be send |
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| 423 | !-- by MPI contiguous |
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| 424 | DO k = 1,nza |
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| 425 | DO i = nxl, nxra |
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| 426 | DO j = nys, nyna |
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| 427 | f_inv(j,i,k) = f_in(k,j,i) |
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| 428 | ENDDO |
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| 429 | ENDDO |
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| 430 | ENDDO |
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| 431 | |
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| 432 | ! |
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| 433 | !-- Move data to different array, because memory location of work1 is |
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| 434 | !-- needed further below (work1 = work2). |
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| 435 | !-- If the PE grid is one-dimensional along y, only local reordering |
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| 436 | !-- of the data is necessary and no transposition has to be done. |
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| 437 | IF ( pdims(1) == 1 ) THEN |
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| 438 | DO k = 1, nza |
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| 439 | DO i = nxl, nxra |
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| 440 | DO j = nys, nyna |
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| 441 | f_out(i,j,k) = f_inv(j,i,k) |
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| 442 | ENDDO |
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| 443 | ENDDO |
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| 444 | ENDDO |
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| 445 | RETURN |
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| 446 | ENDIF |
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| 447 | |
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| 448 | ! |
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| 449 | !-- Transpose array |
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| 450 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 451 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zx, MPI_REAL, & |
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| 452 | work(1), sendrecvcount_zx, MPI_REAL, & |
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| 453 | comm1dx, ierr ) |
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| 454 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 455 | |
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| 456 | ! |
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| 457 | !-- Reorder transposed array |
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| 458 | m = 0 |
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| 459 | DO l = 0, pdims(1) - 1 |
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| 460 | xs = 0 + l * nnx |
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| 461 | DO k = nzb_x, nzt_xa |
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| 462 | DO i = xs, xs + nnx - 1 |
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| 463 | DO j = nys_x, nyn_xa |
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| 464 | m = m + 1 |
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| 465 | f_out(i,j,k) = work(m) |
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| 466 | ENDDO |
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| 467 | ENDDO |
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| 468 | ENDDO |
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| 469 | ENDDO |
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| 470 | |
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| 471 | #endif |
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| 472 | |
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| 473 | END SUBROUTINE transpose_zx |
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| 474 | |
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| 475 | |
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| 476 | SUBROUTINE transpose_zy( f_in, work, f_out ) |
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| 477 | |
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| 478 | !------------------------------------------------------------------------------! |
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| 479 | ! Description: |
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| 480 | ! ------------ |
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| 481 | ! Transposition of input array (f_in) from z to y. For the input array, all |
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| 482 | ! elements along z reside on the same PE, while after transposition, all |
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| 483 | ! elements along y reside on the same PE. |
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| 484 | !------------------------------------------------------------------------------! |
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| 485 | |
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| 486 | USE cpulog |
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| 487 | USE indices |
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| 488 | USE interfaces |
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| 489 | USE pegrid |
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| 490 | USE transpose_indices |
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| 491 | |
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| 492 | IMPLICIT NONE |
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| 493 | |
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| 494 | INTEGER :: i, j, k, l, m, zs |
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| 495 | |
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| 496 | REAL :: f_in(nxl_z:nxr_za,nys_z:nyn_za,1:nza), & |
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| 497 | f_inv(nxl_y:nxr_ya,nzb_y:nzt_ya,0:nya), & |
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| 498 | f_out(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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| 499 | work(nnx*nny*nnz) |
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| 500 | |
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| 501 | #if defined( __parallel ) |
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| 502 | |
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| 503 | ! |
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| 504 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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| 505 | !-- reordered locally and therefore no transposition has to be done. |
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| 506 | IF ( pdims(1) /= 1 ) THEN |
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| 507 | ! |
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| 508 | !-- Reorder input array for transposition |
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| 509 | m = 0 |
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| 510 | DO l = 0, pdims(1) - 1 |
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| 511 | zs = 1 + l * ( nzt_ya - nzb_y + 1 ) |
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| 512 | DO j = nys_z, nyn_za |
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| 513 | DO k = zs, zs + nzt_ya - nzb_y |
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| 514 | DO i = nxl_z, nxr_za |
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| 515 | m = m + 1 |
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| 516 | work(m) = f_in(i,j,k) |
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| 517 | ENDDO |
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| 518 | ENDDO |
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| 519 | ENDDO |
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| 520 | ENDDO |
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| 521 | |
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| 522 | ! |
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| 523 | !-- Transpose array |
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| 524 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 525 | CALL MPI_ALLTOALL( work(1), sendrecvcount_yz, MPI_REAL, & |
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| 526 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
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| 527 | comm1dx, ierr ) |
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| 528 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 529 | |
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| 530 | ! |
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| 531 | !-- Reorder transposed array in a way that the y index is in first position |
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| 532 | DO j = 0, nya |
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| 533 | DO k = nzb_y, nzt_ya |
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| 534 | DO i = nxl_y, nxr_ya |
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| 535 | f_out(j,i,k) = f_inv(i,k,j) |
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| 536 | ENDDO |
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| 537 | ENDDO |
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| 538 | ENDDO |
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| 539 | ELSE |
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| 540 | ! |
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| 541 | !-- Reorder the array in a way that the y index is in first position |
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| 542 | DO k = nzb_y, nzt_ya |
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| 543 | DO j = 0, nya |
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| 544 | DO i = nxl_y, nxr_ya |
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| 545 | f_inv(i,k,j) = f_in(i,j,k) |
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| 546 | ENDDO |
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| 547 | ENDDO |
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| 548 | ENDDO |
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| 549 | ! |
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| 550 | !-- Move data to output array |
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| 551 | DO k = nzb_y, nzt_ya |
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| 552 | DO i = nxl_y, nxr_ya |
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| 553 | DO j = 0, nya |
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| 554 | f_out(j,i,k) = f_inv(i,k,j) |
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| 555 | ENDDO |
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| 556 | ENDDO |
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| 557 | ENDDO |
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| 558 | |
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| 559 | ENDIF |
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| 560 | |
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| 561 | #endif |
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| 562 | |
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| 563 | END SUBROUTINE transpose_zy |
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| 564 | |
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| 565 | |
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| 566 | SUBROUTINE transpose_zyd( f_in, work, f_out ) |
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| 567 | |
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| 568 | !------------------------------------------------------------------------------! |
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| 569 | ! Description: |
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| 570 | ! ------------ |
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| 571 | ! Transposition of input array (f_in) from z to y. For the input array, all |
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| 572 | ! elements along z reside on the same PE, while after transposition, all |
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| 573 | ! elements along y reside on the same PE. |
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| 574 | ! This is a direct transposition for arrays with indices in regular order |
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| 575 | ! (k,j,i) (cf. transpose_zy). |
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| 576 | !------------------------------------------------------------------------------! |
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| 577 | |
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| 578 | USE cpulog |
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| 579 | USE indices |
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| 580 | USE interfaces |
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| 581 | USE pegrid |
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| 582 | USE transpose_indices |
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| 583 | |
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| 584 | IMPLICIT NONE |
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| 585 | |
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| 586 | INTEGER :: i, j, k, l, m, ys |
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| 587 | |
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| 588 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nys:nyna,nxl:nxra,1:nza), & |
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| 589 | f_out(0:nya,nxl_yd:nxr_yda,nzb_yd:nzt_yda), & |
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| 590 | work(nnx*nny*nnz) |
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| 591 | |
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| 592 | #if defined( __parallel ) |
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| 593 | |
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| 594 | ! |
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| 595 | !-- Rearrange indices of input array in order to make data to be send |
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| 596 | !-- by MPI contiguous |
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| 597 | DO i = nxl, nxra |
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| 598 | DO j = nys, nyna |
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| 599 | DO k = 1, nza |
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| 600 | f_inv(j,i,k) = f_in(k,j,i) |
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| 601 | ENDDO |
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| 602 | ENDDO |
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| 603 | ENDDO |
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| 604 | |
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| 605 | ! |
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| 606 | !-- Move data to different array, because memory location of work1 is |
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| 607 | !-- needed further below (work1 = work2). |
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| 608 | !-- If the PE grid is one-dimensional along x, only local reordering |
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| 609 | !-- of the data is necessary and no transposition has to be done. |
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| 610 | IF ( pdims(2) == 1 ) THEN |
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| 611 | DO k = 1, nza |
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| 612 | DO i = nxl, nxra |
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| 613 | DO j = nys, nyna |
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| 614 | f_out(j,i,k) = f_inv(j,i,k) |
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| 615 | ENDDO |
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| 616 | ENDDO |
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| 617 | ENDDO |
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| 618 | RETURN |
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| 619 | ENDIF |
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| 620 | |
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| 621 | ! |
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| 622 | !-- Transpose array |
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| 623 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 624 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
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| 625 | work(1), sendrecvcount_zyd, MPI_REAL, & |
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| 626 | comm1dy, ierr ) |
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| 627 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 628 | |
|---|
| 629 | ! |
|---|
| 630 | !-- Reorder transposed array |
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| 631 | m = 0 |
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| 632 | DO l = 0, pdims(2) - 1 |
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| 633 | ys = 0 + l * nny |
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| 634 | DO k = nzb_yd, nzt_yda |
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| 635 | DO i = nxl_yd, nxr_yda |
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| 636 | DO j = ys, ys + nny - 1 |
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| 637 | m = m + 1 |
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| 638 | f_out(j,i,k) = work(m) |
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| 639 | ENDDO |
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| 640 | ENDDO |
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| 641 | ENDDO |
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| 642 | ENDDO |
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| 643 | |
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| 644 | #endif |
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| 645 | |
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| 646 | END SUBROUTINE transpose_zyd |
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