| 1 | SUBROUTINE transpose_xy( f_in, work1, f_inv, work2, 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 | ! |
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| 7 | ! |
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| 8 | ! Former revisions: |
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| 9 | ! ----------------- |
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| 10 | ! $Id: transpose.f90 4 2007-02-13 11:33:16Z letzel $ |
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| 11 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 12 | ! |
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| 13 | ! Revision 1.2 2004/04/30 13:12:17 raasch |
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| 14 | ! Switched from mpi_alltoallv to the simpler mpi_alltoall, |
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| 15 | ! all former transpose-routine files collected in this file, enlarged |
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| 16 | ! transposition arrays introduced |
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| 17 | ! |
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| 18 | ! Revision 1.1 2004/04/30 13:08:16 raasch |
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| 19 | ! Initial revision (collection of former routines transpose_xy, transpose_xz, |
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| 20 | ! transpose_yx, transpose_yz, transpose_zx, transpose_zy) |
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| 21 | ! |
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| 22 | ! Revision 1.1 1997/07/24 11:25:18 raasch |
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| 23 | ! Initial revision |
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| 24 | ! |
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| 25 | ! |
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| 26 | ! Description: |
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| 27 | ! ------------ |
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| 28 | ! Transposition of input array (f_in) from x to y. For the input array, all |
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| 29 | ! elements along x reside on the same PE, while after transposition, all |
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| 30 | ! elements along y reside on the same PE. |
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| 31 | !------------------------------------------------------------------------------! |
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| 32 | |
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| 33 | USE cpulog |
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| 34 | USE indices |
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| 35 | USE interfaces |
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| 36 | USE pegrid |
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| 37 | USE transpose_indices |
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| 38 | |
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| 39 | IMPLICIT NONE |
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| 40 | |
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| 41 | INTEGER :: i, j, k, l, m, ys |
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| 42 | |
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| 43 | REAL :: f_in(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 44 | f_inv(nys_x:nyn_xa,nzb_x:nzt_xa,0:nxa), & |
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| 45 | f_out(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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| 46 | work1(nys_x:nyn_xa,nzb_x:nzt_xa,0:nxa), work2(nnx*nny*nnz) |
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| 47 | |
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| 48 | #if defined( __parallel ) |
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| 49 | |
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| 50 | ! |
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| 51 | !-- Rearrange indices of input array in order to make data to be send |
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| 52 | !-- by MPI contiguous |
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| 53 | DO k = nzb_x, nzt_xa |
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| 54 | DO j = nys_x, nyn_xa |
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| 55 | DO i = 0, nxa |
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| 56 | work1(j,k,i) = f_in(i,j,k) |
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| 57 | ENDDO |
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| 58 | ENDDO |
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| 59 | ENDDO |
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| 60 | |
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| 61 | ! |
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| 62 | !-- Move data to different array, because memory location of work1 is |
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| 63 | !-- needed further below (work1 = work2) |
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| 64 | DO i = 0, nxa |
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| 65 | DO k = nzb_x, nzt_xa |
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| 66 | DO j = nys_x, nyn_xa |
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| 67 | f_inv(j,k,i) = work1(j,k,i) |
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| 68 | ENDDO |
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| 69 | ENDDO |
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| 70 | ENDDO |
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| 71 | |
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| 72 | ! |
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| 73 | !-- Transpose array |
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| 74 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 75 | CALL MPI_ALLTOALL( f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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| 76 | work2(1), sendrecvcount_xy, MPI_REAL, & |
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| 77 | comm1dy, ierr ) |
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| 78 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 79 | |
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| 80 | ! |
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| 81 | !-- Reorder transposed array |
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| 82 | m = 0 |
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| 83 | DO l = 0, pdims(2) - 1 |
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| 84 | ys = 0 + l * ( nyn_xa - nys_x + 1 ) |
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| 85 | DO i = nxl_y, nxr_ya |
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| 86 | DO k = nzb_y, nzt_ya |
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| 87 | DO j = ys, ys + nyn_xa - nys_x |
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| 88 | m = m + 1 |
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| 89 | f_out(j,i,k) = work2(m) |
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| 90 | ENDDO |
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| 91 | ENDDO |
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| 92 | ENDDO |
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| 93 | ENDDO |
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| 94 | |
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| 95 | #endif |
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| 96 | |
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| 97 | END SUBROUTINE transpose_xy |
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| 98 | |
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| 99 | |
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| 100 | SUBROUTINE transpose_xz( f_in, work1, f_inv, work2, f_out ) |
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| 101 | |
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| 102 | !------------------------------------------------------------------------------! |
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| 103 | ! Description: |
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| 104 | ! ------------ |
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| 105 | ! Transposition of input array (f_in) from x to z. For the input array, all |
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| 106 | ! elements along x reside on the same PE, while after transposition, all |
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| 107 | ! elements along z reside on the same PE. |
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| 108 | !------------------------------------------------------------------------------! |
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| 109 | |
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| 110 | USE cpulog |
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| 111 | USE indices |
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| 112 | USE interfaces |
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| 113 | USE pegrid |
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| 114 | USE transpose_indices |
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| 115 | |
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| 116 | IMPLICIT NONE |
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| 117 | |
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| 118 | INTEGER :: i, j, k, l, m, xs |
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| 119 | |
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| 120 | REAL :: f_in(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 121 | f_inv(nxl:nxra,nys:nyna,1:nza), & |
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| 122 | f_out(1:nza,nys:nyna,nxl:nxra), & |
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| 123 | work1(1:nza,nys:nyna,nxl:nxra), work2(nnx*nny*nnz) |
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| 124 | |
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| 125 | #if defined( __parallel ) |
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| 126 | |
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| 127 | ! |
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| 128 | !-- If the PE grid is one-dimensional along y, the array has only to be |
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| 129 | !-- reordered locally and therefore no transposition has to be done. |
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| 130 | IF ( pdims(1) /= 1 ) THEN |
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| 131 | ! |
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| 132 | !-- Reorder input array for transposition |
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| 133 | m = 0 |
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| 134 | DO l = 0, pdims(1) - 1 |
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| 135 | xs = 0 + l * nnx |
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| 136 | DO k = nzb_x, nzt_xa |
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| 137 | DO j = nys_x, nyn_xa |
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| 138 | DO i = xs, xs + nnx - 1 |
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| 139 | m = m + 1 |
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| 140 | work2(m) = f_in(i,j,k) |
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| 141 | ENDDO |
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| 142 | ENDDO |
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| 143 | ENDDO |
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| 144 | ENDDO |
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| 145 | |
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| 146 | ! |
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| 147 | !-- Transpose array |
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| 148 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 149 | CALL MPI_ALLTOALL( work2(1), sendrecvcount_zx, MPI_REAL, & |
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| 150 | f_inv(nxl,nys,1), sendrecvcount_zx, MPI_REAL, & |
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| 151 | comm1dx, ierr ) |
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| 152 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 153 | |
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| 154 | ! |
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| 155 | !-- Reorder transposed array in a way that the z index is in first position |
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| 156 | DO i = nxl, nxra |
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| 157 | DO j = nys, nyna |
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| 158 | DO k = 1, nza |
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| 159 | work1(k,j,i) = f_inv(i,j,k) |
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| 160 | ENDDO |
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| 161 | ENDDO |
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| 162 | ENDDO |
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| 163 | ELSE |
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| 164 | ! |
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| 165 | !-- Reorder the array in a way that the z index is in first position |
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| 166 | DO i = nxl, nxra |
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| 167 | DO j = nys, nyna |
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| 168 | DO k = 1, nza |
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| 169 | work1(k,j,i) = f_in(i,j,k) |
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| 170 | ENDDO |
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| 171 | ENDDO |
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| 172 | ENDDO |
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| 173 | ENDIF |
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| 174 | |
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| 175 | ! |
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| 176 | !-- Move data to output array |
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| 177 | DO i = nxl, nxra |
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| 178 | DO j = nys, nyna |
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| 179 | DO k = 1, nza |
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| 180 | f_out(k,j,i) = work1(k,j,i) |
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| 181 | ENDDO |
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| 182 | ENDDO |
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| 183 | ENDDO |
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| 184 | |
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| 185 | #endif |
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| 186 | |
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| 187 | END SUBROUTINE transpose_xz |
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| 188 | |
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| 189 | |
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| 190 | SUBROUTINE transpose_yx( f_in, work1, f_inv, work2, f_out ) |
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| 191 | |
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| 192 | !------------------------------------------------------------------------------! |
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| 193 | ! Description: |
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| 194 | ! ------------ |
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| 195 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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| 196 | ! elements along y reside on the same PE, while after transposition, all |
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| 197 | ! elements along x reside on the same PE. |
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| 198 | !------------------------------------------------------------------------------! |
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| 199 | |
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| 200 | USE cpulog |
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| 201 | USE indices |
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| 202 | USE interfaces |
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| 203 | USE pegrid |
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| 204 | USE transpose_indices |
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| 205 | |
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| 206 | IMPLICIT NONE |
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| 207 | |
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| 208 | INTEGER :: i, j, k, l, m, ys |
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| 209 | |
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| 210 | REAL :: f_in(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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| 211 | f_inv(nys_x:nyn_xa,nzb_x:nzt_xa,0:nxa), & |
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| 212 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 213 | work1(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), work2(nnx*nny*nnz) |
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| 214 | |
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| 215 | #if defined( __parallel ) |
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| 216 | |
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| 217 | ! |
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| 218 | !-- Reorder input array for transposition |
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| 219 | m = 0 |
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| 220 | DO l = 0, pdims(2) - 1 |
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| 221 | ys = 0 + l * ( nyn_xa - nys_x + 1 ) |
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| 222 | DO i = nxl_y, nxr_ya |
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| 223 | DO k = nzb_y, nzt_ya |
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| 224 | DO j = ys, ys + nyn_xa - nys_x |
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| 225 | m = m + 1 |
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| 226 | work2(m) = f_in(j,i,k) |
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| 227 | ENDDO |
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| 228 | ENDDO |
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| 229 | ENDDO |
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| 230 | ENDDO |
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| 231 | |
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| 232 | ! |
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| 233 | !-- Transpose array |
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| 234 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 235 | CALL MPI_ALLTOALL( work2(1), sendrecvcount_xy, MPI_REAL, & |
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| 236 | f_inv(nys_x,nzb_x,0), sendrecvcount_xy, MPI_REAL, & |
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| 237 | comm1dy, ierr ) |
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| 238 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 239 | |
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| 240 | ! |
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| 241 | !-- Reorder transposed array in a way that the x index is in first position |
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| 242 | DO i = 0, nxa |
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| 243 | DO k = nzb_x, nzt_xa |
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| 244 | DO j = nys_x, nyn_xa |
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| 245 | work1(i,j,k) = f_inv(j,k,i) |
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| 246 | ENDDO |
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| 247 | ENDDO |
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| 248 | ENDDO |
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| 249 | |
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| 250 | ! |
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| 251 | !-- Move data to output array |
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| 252 | DO k = nzb_x, nzt_xa |
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| 253 | DO j = nys_x, nyn_xa |
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| 254 | DO i = 0, nxa |
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| 255 | f_out(i,j,k) = work1(i,j,k) |
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| 256 | ENDDO |
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| 257 | ENDDO |
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| 258 | ENDDO |
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| 259 | |
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| 260 | #endif |
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| 261 | |
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| 262 | END SUBROUTINE transpose_yx |
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| 263 | |
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| 264 | |
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| 265 | SUBROUTINE transpose_yxd( f_in, work1, f_inv, work2, f_out ) |
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| 266 | |
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| 267 | !------------------------------------------------------------------------------! |
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| 268 | ! Description: |
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| 269 | ! ------------ |
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| 270 | ! Transposition of input array (f_in) from y to x. For the input array, all |
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| 271 | ! elements along y reside on the same PE, while after transposition, all |
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| 272 | ! elements along x reside on the same PE. |
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| 273 | ! This is a direct transposition for arrays with indices in regular order |
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| 274 | ! (k,j,i) (cf. transpose_yx). |
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| 275 | !------------------------------------------------------------------------------! |
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| 276 | |
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| 277 | USE cpulog |
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| 278 | USE indices |
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| 279 | USE interfaces |
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| 280 | USE pegrid |
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| 281 | USE transpose_indices |
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| 282 | |
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| 283 | IMPLICIT NONE |
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| 284 | |
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| 285 | INTEGER :: i, j, k, l, m, recvcount_yx, sendcount_yx, xs |
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| 286 | |
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| 287 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nxl:nxra,1:nza,nys:nyna), & |
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| 288 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 289 | work1(nxl:nxra,1:nza,nys:nyna), work2(nnx*nny*nnz) |
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| 290 | |
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| 291 | #if defined( __parallel ) |
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| 292 | |
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| 293 | ! |
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| 294 | !-- Rearrange indices of input array in order to make data to be send |
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| 295 | !-- by MPI contiguous |
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| 296 | DO k = 1, nza |
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| 297 | DO j = nys, nyna |
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| 298 | DO i = nxl, nxra |
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| 299 | work1(i,k,j) = f_in(k,j,i) |
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| 300 | ENDDO |
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| 301 | ENDDO |
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| 302 | ENDDO |
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| 303 | |
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| 304 | ! |
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| 305 | !-- Move data to different array, because memory location of work1 is |
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| 306 | !-- needed further below (work1 = work2) |
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| 307 | DO j = nys, nyna |
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| 308 | DO k = 1, nza |
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| 309 | DO i = nxl, nxra |
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| 310 | f_inv(i,k,j) = work1(i,k,j) |
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| 311 | ENDDO |
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| 312 | ENDDO |
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| 313 | ENDDO |
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| 314 | |
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| 315 | ! |
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| 316 | !-- Transpose array |
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| 317 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 318 | CALL MPI_ALLTOALL( f_inv(nxl,1,nys), sendrecvcount_xy, MPI_REAL, & |
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| 319 | work2(1), sendrecvcount_xy, MPI_REAL, & |
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| 320 | comm1dx, ierr ) |
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| 321 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 322 | |
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| 323 | ! |
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| 324 | !-- Reorder transposed array |
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| 325 | m = 0 |
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| 326 | DO l = 0, pdims(1) - 1 |
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| 327 | xs = 0 + l * nnx |
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| 328 | DO j = nys_x, nyn_xa |
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| 329 | DO k = 1, nza |
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| 330 | DO i = xs, xs + nnx - 1 |
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| 331 | m = m + 1 |
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| 332 | f_out(i,j,k) = work2(m) |
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| 333 | ENDDO |
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| 334 | ENDDO |
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| 335 | ENDDO |
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| 336 | ENDDO |
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| 337 | |
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| 338 | #endif |
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| 339 | |
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| 340 | END SUBROUTINE transpose_yxd |
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| 341 | |
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| 342 | |
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| 343 | SUBROUTINE transpose_yz( f_in, work1, f_inv, work2, f_out ) |
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| 344 | |
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| 345 | !------------------------------------------------------------------------------! |
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| 346 | ! Description: |
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| 347 | ! ------------ |
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| 348 | ! Transposition of input array (f_in) from y to z. For the input array, all |
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| 349 | ! elements along y reside on the same PE, while after transposition, all |
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| 350 | ! elements along z reside on the same PE. |
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| 351 | !------------------------------------------------------------------------------! |
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| 352 | |
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| 353 | USE cpulog |
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| 354 | USE indices |
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| 355 | USE interfaces |
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| 356 | USE pegrid |
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| 357 | USE transpose_indices |
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| 358 | |
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| 359 | IMPLICIT NONE |
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| 360 | |
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| 361 | INTEGER :: i, j, k, l, m, zs |
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| 362 | |
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| 363 | REAL :: f_in(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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| 364 | f_inv(nxl_y:nxr_ya,nzb_y:nzt_ya,0:nya), & |
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| 365 | f_out(nxl_z:nxr_za,nys_z:nyn_za,1:nza), & |
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| 366 | work1(nxl_y:nxr_ya,nzb_y:nzt_ya,0:nya), work2(nnx*nny*nnz) |
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| 367 | |
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| 368 | #if defined( __parallel ) |
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| 369 | |
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| 370 | ! |
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| 371 | !-- Rearrange indices of input array in order to make data to be send |
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| 372 | !-- by MPI contiguous |
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| 373 | DO k = nzb_y, nzt_ya |
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| 374 | DO i = nxl_y, nxr_ya |
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| 375 | DO j = 0, nya |
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| 376 | work1(i,k,j) = f_in(j,i,k) |
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| 377 | ENDDO |
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| 378 | ENDDO |
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| 379 | ENDDO |
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| 380 | |
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| 381 | ! |
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| 382 | !-- Move data to different array, because memory location of work1 is |
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| 383 | !-- needed further below (work1 = work2). |
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| 384 | !-- If the PE grid is one-dimensional along y, only local reordering |
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| 385 | !-- of the data is necessary and no transposition has to be done. |
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| 386 | IF ( pdims(1) == 1 ) THEN |
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| 387 | DO j = 0, nya |
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| 388 | DO k = nzb_y, nzt_ya |
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| 389 | DO i = nxl_y, nxr_ya |
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| 390 | f_out(i,j,k) = work1(i,k,j) |
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| 391 | ENDDO |
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| 392 | ENDDO |
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| 393 | ENDDO |
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| 394 | RETURN |
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| 395 | ELSE |
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| 396 | DO j = 0, nya |
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| 397 | DO k = nzb_y, nzt_ya |
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| 398 | DO i = nxl_y, nxr_ya |
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| 399 | f_inv(i,k,j) = work1(i,k,j) |
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| 400 | ENDDO |
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| 401 | ENDDO |
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| 402 | ENDDO |
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| 403 | ENDIF |
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| 404 | |
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| 405 | ! |
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| 406 | !-- Transpose array |
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| 407 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 408 | CALL MPI_ALLTOALL( f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
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| 409 | work2(1), sendrecvcount_yz, MPI_REAL, & |
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| 410 | comm1dx, ierr ) |
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| 411 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 412 | |
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| 413 | ! |
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| 414 | !-- Reorder transposed array |
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| 415 | m = 0 |
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| 416 | DO l = 0, pdims(1) - 1 |
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| 417 | zs = 1 + l * ( nzt_ya - nzb_y + 1 ) |
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| 418 | DO j = nys_z, nyn_za |
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| 419 | DO k = zs, zs + nzt_ya - nzb_y |
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| 420 | DO i = nxl_z, nxr_za |
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| 421 | m = m + 1 |
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| 422 | f_out(i,j,k) = work2(m) |
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| 423 | ENDDO |
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| 424 | ENDDO |
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| 425 | ENDDO |
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| 426 | ENDDO |
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| 427 | |
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| 428 | #endif |
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| 429 | |
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| 430 | END SUBROUTINE transpose_yz |
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| 431 | |
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| 432 | |
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| 433 | SUBROUTINE transpose_zx( f_in, work1, f_inv, work2, f_out ) |
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| 434 | |
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| 435 | !------------------------------------------------------------------------------! |
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| 436 | ! Description: |
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| 437 | ! ------------ |
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| 438 | ! Transposition of input array (f_in) from z to x. For the input array, all |
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| 439 | ! elements along z reside on the same PE, while after transposition, all |
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| 440 | ! elements along x reside on the same PE. |
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| 441 | !------------------------------------------------------------------------------! |
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| 442 | |
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| 443 | USE cpulog |
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| 444 | USE indices |
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| 445 | USE interfaces |
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| 446 | USE pegrid |
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| 447 | USE transpose_indices |
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| 448 | |
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| 449 | IMPLICIT NONE |
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| 450 | |
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| 451 | INTEGER :: i, j, k, l, m, xs |
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| 452 | |
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| 453 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nxl:nxra,nys:nyna,1:nza), & |
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| 454 | f_out(0:nxa,nys_x:nyn_xa,nzb_x:nzt_xa), & |
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| 455 | work1(nxl:nxra,nys:nyna,1:nza), work2(nnx*nny*nnz) |
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| 456 | |
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| 457 | #if defined( __parallel ) |
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| 458 | |
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| 459 | ! |
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| 460 | !-- Rearrange indices of input array in order to make data to be send |
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| 461 | !-- by MPI contiguous |
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| 462 | DO i = nxl, nxra |
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| 463 | DO j = nys, nyna |
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| 464 | DO k = 1,nza |
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| 465 | work1(i,j,k) = f_in(k,j,i) |
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| 466 | ENDDO |
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| 467 | ENDDO |
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| 468 | ENDDO |
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| 469 | |
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| 470 | ! |
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| 471 | !-- Move data to different array, because memory location of work1 is |
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| 472 | !-- needed further below (work1 = work2). |
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| 473 | !-- If the PE grid is one-dimensional along y, only local reordering |
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| 474 | !-- of the data is necessary and no transposition has to be done. |
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| 475 | IF ( pdims(1) == 1 ) THEN |
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| 476 | DO k = 1, nza |
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| 477 | DO j = nys, nyna |
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| 478 | DO i = nxl, nxra |
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| 479 | f_out(i,j,k) = work1(i,j,k) |
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| 480 | ENDDO |
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| 481 | ENDDO |
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| 482 | ENDDO |
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| 483 | RETURN |
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| 484 | ELSE |
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| 485 | DO k = 1, nza |
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| 486 | DO j = nys, nyna |
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| 487 | DO i = nxl, nxra |
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| 488 | f_inv(i,j,k) = work1(i,j,k) |
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| 489 | ENDDO |
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| 490 | ENDDO |
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| 491 | ENDDO |
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| 492 | ENDIF |
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| 493 | |
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| 494 | ! |
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| 495 | !-- Transpose array |
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| 496 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
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| 497 | CALL MPI_ALLTOALL( f_inv(nxl,nys,1), sendrecvcount_zx, MPI_REAL, & |
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| 498 | work2(1), sendrecvcount_zx, MPI_REAL, & |
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| 499 | comm1dx, ierr ) |
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| 500 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
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| 501 | |
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| 502 | ! |
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| 503 | !-- Reorder transposed array |
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| 504 | m = 0 |
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| 505 | DO l = 0, pdims(1) - 1 |
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| 506 | xs = 0 + l * nnx |
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| 507 | DO k = nzb_x, nzt_xa |
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| 508 | DO j = nys_x, nyn_xa |
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| 509 | DO i = xs, xs + nnx - 1 |
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| 510 | m = m + 1 |
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| 511 | f_out(i,j,k) = work2(m) |
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| 512 | ENDDO |
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| 513 | ENDDO |
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| 514 | ENDDO |
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| 515 | ENDDO |
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| 516 | |
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| 517 | #endif |
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| 518 | |
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| 519 | END SUBROUTINE transpose_zx |
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| 520 | |
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| 521 | |
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| 522 | SUBROUTINE transpose_zy( f_in, work1, f_inv, work2, f_out ) |
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| 523 | |
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| 524 | !------------------------------------------------------------------------------! |
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| 525 | ! Description: |
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| 526 | ! ------------ |
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| 527 | ! Transposition of input array (f_in) from z to y. For the input array, all |
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| 528 | ! elements along z reside on the same PE, while after transposition, all |
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| 529 | ! elements along y reside on the same PE. |
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| 530 | !------------------------------------------------------------------------------! |
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| 531 | |
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| 532 | USE cpulog |
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| 533 | USE indices |
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| 534 | USE interfaces |
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| 535 | USE pegrid |
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| 536 | USE transpose_indices |
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| 537 | |
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| 538 | IMPLICIT NONE |
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| 539 | |
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| 540 | INTEGER :: i, j, k, l, m, zs |
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| 541 | |
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| 542 | REAL :: f_in(nxl_z:nxr_za,nys_z:nyn_za,1:nza), & |
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| 543 | f_inv(nxl_y:nxr_ya,nzb_y:nzt_ya,0:nya), & |
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| 544 | f_out(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), & |
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| 545 | work1(0:nya,nxl_y:nxr_ya,nzb_y:nzt_ya), work2(nnx*nny*nnz) |
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| 546 | |
|---|
| 547 | #if defined( __parallel ) |
|---|
| 548 | |
|---|
| 549 | ! |
|---|
| 550 | !-- If the PE grid is one-dimensional along y, the array has only to be |
|---|
| 551 | !-- reordered locally and therefore no transposition has to be done. |
|---|
| 552 | IF ( pdims(1) /= 1 ) THEN |
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| 553 | ! |
|---|
| 554 | !-- Reorder input array for transposition |
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| 555 | m = 0 |
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| 556 | DO l = 0, pdims(1) - 1 |
|---|
| 557 | zs = 1 + l * ( nzt_ya - nzb_y + 1 ) |
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| 558 | DO j = nys_z, nyn_za |
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| 559 | DO k = zs, zs + nzt_ya - nzb_y |
|---|
| 560 | DO i = nxl_z, nxr_za |
|---|
| 561 | m = m + 1 |
|---|
| 562 | work2(m) = f_in(i,j,k) |
|---|
| 563 | ENDDO |
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| 564 | ENDDO |
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| 565 | ENDDO |
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| 566 | ENDDO |
|---|
| 567 | |
|---|
| 568 | ! |
|---|
| 569 | !-- Transpose array |
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| 570 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
|---|
| 571 | CALL MPI_ALLTOALL( work2(1), sendrecvcount_yz, MPI_REAL, & |
|---|
| 572 | f_inv(nxl_y,nzb_y,0), sendrecvcount_yz, MPI_REAL, & |
|---|
| 573 | comm1dx, ierr ) |
|---|
| 574 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
|---|
| 575 | |
|---|
| 576 | ! |
|---|
| 577 | !-- Reorder transposed array in a way that the y index is in first position |
|---|
| 578 | DO k = nzb_y, nzt_ya |
|---|
| 579 | DO i = nxl_y, nxr_ya |
|---|
| 580 | DO j = 0, nya |
|---|
| 581 | work1(j,i,k) = f_inv(i,k,j) |
|---|
| 582 | ENDDO |
|---|
| 583 | ENDDO |
|---|
| 584 | ENDDO |
|---|
| 585 | ELSE |
|---|
| 586 | ! |
|---|
| 587 | !-- Reorder the array in a way that the y index is in first position |
|---|
| 588 | DO k = nzb_y, nzt_ya |
|---|
| 589 | DO i = nxl_y, nxr_ya |
|---|
| 590 | DO j = 0, nya |
|---|
| 591 | work1(j,i,k) = f_in(i,j,k) |
|---|
| 592 | ENDDO |
|---|
| 593 | ENDDO |
|---|
| 594 | ENDDO |
|---|
| 595 | ENDIF |
|---|
| 596 | |
|---|
| 597 | ! |
|---|
| 598 | !-- Move data to output array |
|---|
| 599 | DO k = nzb_y, nzt_ya |
|---|
| 600 | DO i = nxl_y, nxr_ya |
|---|
| 601 | DO j = 0, nya |
|---|
| 602 | f_out(j,i,k) = work1(j,i,k) |
|---|
| 603 | ENDDO |
|---|
| 604 | ENDDO |
|---|
| 605 | ENDDO |
|---|
| 606 | |
|---|
| 607 | #endif |
|---|
| 608 | |
|---|
| 609 | END SUBROUTINE transpose_zy |
|---|
| 610 | |
|---|
| 611 | |
|---|
| 612 | SUBROUTINE transpose_zyd( f_in, work1, f_inv, work2, f_out ) |
|---|
| 613 | |
|---|
| 614 | !------------------------------------------------------------------------------! |
|---|
| 615 | ! Description: |
|---|
| 616 | ! ------------ |
|---|
| 617 | ! Transposition of input array (f_in) from z to y. For the input array, all |
|---|
| 618 | ! elements along z reside on the same PE, while after transposition, all |
|---|
| 619 | ! elements along y reside on the same PE. |
|---|
| 620 | ! This is a direct transposition for arrays with indices in regular order |
|---|
| 621 | ! (k,j,i) (cf. transpose_zy). |
|---|
| 622 | !------------------------------------------------------------------------------! |
|---|
| 623 | |
|---|
| 624 | USE cpulog |
|---|
| 625 | USE indices |
|---|
| 626 | USE interfaces |
|---|
| 627 | USE pegrid |
|---|
| 628 | USE transpose_indices |
|---|
| 629 | |
|---|
| 630 | IMPLICIT NONE |
|---|
| 631 | |
|---|
| 632 | INTEGER :: i, j, k, l, m, ys |
|---|
| 633 | |
|---|
| 634 | REAL :: f_in(1:nza,nys:nyna,nxl:nxra), f_inv(nys:nyna,nxl:nxra,1:nza), & |
|---|
| 635 | f_out(0:nya,nxl_yd:nxr_yda,nzb_yd:nzt_yda), & |
|---|
| 636 | work1(nys:nyna,nxl:nxra,1:nza), work2(nnx*nny*nnz) |
|---|
| 637 | |
|---|
| 638 | #if defined( __parallel ) |
|---|
| 639 | |
|---|
| 640 | ! |
|---|
| 641 | !-- Rearrange indices of input array in order to make data to be send |
|---|
| 642 | !-- by MPI contiguous |
|---|
| 643 | DO i = nxl, nxra |
|---|
| 644 | DO j = nys, nyna |
|---|
| 645 | DO k = 1, nza |
|---|
| 646 | work1(j,i,k) = f_in(k,j,i) |
|---|
| 647 | ENDDO |
|---|
| 648 | ENDDO |
|---|
| 649 | ENDDO |
|---|
| 650 | |
|---|
| 651 | ! |
|---|
| 652 | !-- Move data to different array, because memory location of work1 is |
|---|
| 653 | !-- needed further below (work1 = work2). |
|---|
| 654 | !-- If the PE grid is one-dimensional along x, only local reordering |
|---|
| 655 | !-- of the data is necessary and no transposition has to be done. |
|---|
| 656 | IF ( pdims(2) == 1 ) THEN |
|---|
| 657 | DO k = 1, nza |
|---|
| 658 | DO i = nxl, nxra |
|---|
| 659 | DO j = nys, nyna |
|---|
| 660 | f_out(j,i,k) = work1(j,i,k) |
|---|
| 661 | ENDDO |
|---|
| 662 | ENDDO |
|---|
| 663 | ENDDO |
|---|
| 664 | RETURN |
|---|
| 665 | ELSE |
|---|
| 666 | DO k = 1, nza |
|---|
| 667 | DO i = nxl, nxra |
|---|
| 668 | DO j = nys, nyna |
|---|
| 669 | f_inv(j,i,k) = work1(j,i,k) |
|---|
| 670 | ENDDO |
|---|
| 671 | ENDDO |
|---|
| 672 | ENDDO |
|---|
| 673 | ENDIF |
|---|
| 674 | |
|---|
| 675 | ! |
|---|
| 676 | !-- Transpose array |
|---|
| 677 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'start' ) |
|---|
| 678 | CALL MPI_ALLTOALL( f_inv(nys,nxl,1), sendrecvcount_zyd, MPI_REAL, & |
|---|
| 679 | work2(1), sendrecvcount_zyd, MPI_REAL, & |
|---|
| 680 | comm1dy, ierr ) |
|---|
| 681 | CALL cpu_log( log_point_s(32), 'mpi_alltoall', 'stop' ) |
|---|
| 682 | |
|---|
| 683 | ! |
|---|
| 684 | !-- Reorder transposed array |
|---|
| 685 | m = 0 |
|---|
| 686 | DO l = 0, pdims(2) - 1 |
|---|
| 687 | ys = 0 + l * nny |
|---|
| 688 | DO k = nzb_yd, nzt_yda |
|---|
| 689 | DO i = nxl_yd, nxr_yda |
|---|
| 690 | DO j = ys, ys + nny - 1 |
|---|
| 691 | m = m + 1 |
|---|
| 692 | f_out(j,i,k) = work2(m) |
|---|
| 693 | ENDDO |
|---|
| 694 | ENDDO |
|---|
| 695 | ENDDO |
|---|
| 696 | ENDDO |
|---|
| 697 | |
|---|
| 698 | #endif |
|---|
| 699 | |
|---|
| 700 | END SUBROUTINE transpose_zyd |
|---|
