[1682] | 1 | !> @file exchange_horiz.f90 |
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[1320] | 2 | !------------------------------------------------------------------------------! |
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[2696] | 3 | ! This file is part of the PALM model system. |
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[1036] | 4 | ! |
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[2000] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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[1036] | 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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[4360] | 17 | ! Copyright 1997-2020 Leibniz Universitaet Hannover |
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[1320] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[484] | 20 | ! Current revisions: |
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[1] | 21 | ! ----------------- |
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[1678] | 22 | ! |
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[2119] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: exchange_horiz_mod.f90 4457 2020-03-11 14:20:43Z raasch $ |
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[4457] | 27 | ! routine has been modularized, file exchange_horiz_2d has been merged |
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| 28 | ! |
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| 29 | ! 4429 2020-02-27 15:24:30Z raasch |
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[4429] | 30 | ! bugfix: cpp-directives added for serial mode |
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| 31 | ! |
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| 32 | ! 4360 2020-01-07 11:25:50Z suehring |
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[4182] | 33 | ! Corrected "Former revisions" section |
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| 34 | ! |
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| 35 | ! 3761 2019-02-25 15:31:42Z raasch |
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[3761] | 36 | ! OpenACC directives re-formatted |
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| 37 | ! |
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| 38 | ! 3657 2019-01-07 20:14:18Z knoop |
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[3634] | 39 | ! OpenACC port for SPEC |
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[1321] | 40 | ! |
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[4182] | 41 | ! Revision 1.1 1997/07/24 11:13:29 raasch |
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| 42 | ! Initial revision |
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| 43 | ! |
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| 44 | ! |
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[1] | 45 | ! Description: |
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| 46 | ! ------------ |
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[1682] | 47 | !> Exchange of lateral boundary values (parallel computers) and cyclic |
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| 48 | !> lateral boundary conditions, respectively. |
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[1] | 49 | !------------------------------------------------------------------------------! |
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[4457] | 50 | MODULE exchange_horiz_mod |
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| 51 | |
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| 52 | USE kinds |
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| 53 | |
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| 54 | USE pegrid |
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| 55 | |
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| 56 | IMPLICIT NONE |
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| 57 | |
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| 58 | PRIVATE |
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| 59 | PUBLIC exchange_horiz, exchange_horiz_int, exchange_horiz_2d, exchange_horiz_2d_byte, & |
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| 60 | exchange_horiz_2d_int |
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| 61 | |
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| 62 | INTERFACE exchange_horiz |
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| 63 | MODULE PROCEDURE exchange_horiz |
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| 64 | END INTERFACE exchange_horiz |
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| 65 | |
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| 66 | INTERFACE exchange_horiz_int |
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| 67 | MODULE PROCEDURE exchange_horiz_int |
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| 68 | END INTERFACE exchange_horiz_int |
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| 69 | |
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| 70 | INTERFACE exchange_horiz_2d |
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| 71 | MODULE PROCEDURE exchange_horiz_2d |
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| 72 | END INTERFACE exchange_horiz_2d |
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| 73 | |
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| 74 | INTERFACE exchange_horiz_2d_byte |
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| 75 | MODULE PROCEDURE exchange_horiz_2d_byte |
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| 76 | END INTERFACE exchange_horiz_2d_byte |
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| 77 | |
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| 78 | INTERFACE exchange_horiz_2d_int |
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| 79 | MODULE PROCEDURE exchange_horiz_2d_int |
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| 80 | END INTERFACE exchange_horiz_2d_int |
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| 81 | |
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| 82 | |
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| 83 | CONTAINS |
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| 84 | |
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| 85 | |
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[1682] | 86 | SUBROUTINE exchange_horiz( ar, nbgp_local) |
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[1] | 87 | |
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[1320] | 88 | USE control_parameters, & |
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[4429] | 89 | ONLY: bc_lr_cyc, bc_ns_cyc |
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| 90 | |
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| 91 | #if defined( __parallel ) |
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| 92 | USE control_parameters, & |
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| 93 | ONLY: grid_level, mg_switch_to_pe0, synchronous_exchange |
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| 94 | #endif |
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[1320] | 95 | |
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| 96 | USE cpulog, & |
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| 97 | ONLY: cpu_log, log_point_s |
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| 98 | |
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| 99 | USE indices, & |
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| 100 | ONLY: nxl, nxr, nyn, nys, nzb, nzt |
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| 101 | |
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[1] | 102 | |
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[3761] | 103 | #if defined( _OPENACC ) |
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[3634] | 104 | INTEGER(iwp) :: i !< |
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| 105 | #endif |
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[3761] | 106 | |
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[1682] | 107 | INTEGER(iwp) :: nbgp_local !< |
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[1320] | 108 | |
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| 109 | REAL(wp), DIMENSION(nzb:nzt+1,nys-nbgp_local:nyn+nbgp_local, & |
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[1682] | 110 | nxl-nbgp_local:nxr+nbgp_local) :: ar !< |
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[1320] | 111 | |
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[841] | 112 | |
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[1] | 113 | CALL cpu_log( log_point_s(2), 'exchange_horiz', 'start' ) |
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| 114 | |
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[3761] | 115 | #if defined( _OPENACC ) |
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[3657] | 116 | !$ACC UPDATE IF_PRESENT ASYNC(1) & |
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[3634] | 117 | !$ACC HOST(ar(:,:,nxr-nbgp_local+1:nxr)) & |
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| 118 | !$ACC HOST(ar(:,:,nxl:nxl+nbgp_local-1)) |
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[3657] | 119 | |
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| 120 | ! |
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| 121 | !-- Wait for first UPDATE to complete before starting the others. |
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| 122 | !$ACC WAIT(1) ASYNC(2) |
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| 123 | ! ar(:,:,nxl-nbgp_local:nxl-1) is overwritten by first part below |
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| 124 | ! ar(:,:,nxl:nxl+nbgp_local-1) has been transferred above |
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| 125 | DO i = nxl+nbgp_local, nxr-nbgp_local |
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| 126 | !$ACC UPDATE IF_PRESENT ASYNC(2) & |
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[3634] | 127 | !$ACC HOST(ar(:,nyn-nbgp_local+1:nyn,i)) & |
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| 128 | !$ACC HOST(ar(:,nys:nys+nbgp_local-1,i)) |
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| 129 | ENDDO |
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[3657] | 130 | ! ar(:,:,nxr-nbgp_local+1:nxr) has been transferred above |
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| 131 | ! ar(:,:,nxr+1:nxr+nbgp_local) is overwritten by first part below |
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| 132 | |
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| 133 | ! |
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| 134 | !-- Wait for first UPDATE to complete before starting MPI. |
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| 135 | !$ACC WAIT(1) |
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[3634] | 136 | #endif |
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| 137 | |
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[1] | 138 | #if defined( __parallel ) |
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| 139 | |
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| 140 | ! |
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[1128] | 141 | !-- Exchange in x-direction of lateral boundaries |
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[1] | 142 | IF ( pdims(1) == 1 .OR. mg_switch_to_pe0 ) THEN |
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| 143 | ! |
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| 144 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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| 145 | !-- within the PE memory |
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[707] | 146 | IF ( bc_lr_cyc ) THEN |
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[667] | 147 | ar(:,:,nxl-nbgp_local:nxl-1) = ar(:,:,nxr-nbgp_local+1:nxr) |
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| 148 | ar(:,:,nxr+1:nxr+nbgp_local) = ar(:,:,nxl:nxl+nbgp_local-1) |
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[1] | 149 | ENDIF |
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| 150 | |
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| 151 | ELSE |
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[75] | 152 | |
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[683] | 153 | IF ( synchronous_exchange ) THEN |
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[1] | 154 | ! |
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[683] | 155 | !-- Send left boundary, receive right one (synchronous) |
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| 156 | CALL MPI_SENDRECV( & |
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[707] | 157 | ar(nzb,nys-nbgp_local,nxl), 1, type_yz(grid_level), pleft, 0, & |
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| 158 | ar(nzb,nys-nbgp_local,nxr+1), 1, type_yz(grid_level), pright, 0, & |
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| 159 | comm2d, status, ierr ) |
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[1] | 160 | ! |
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[683] | 161 | !-- Send right boundary, receive left one (synchronous) |
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[1320] | 162 | CALL MPI_SENDRECV( ar(nzb,nys-nbgp_local,nxr+1-nbgp_local), 1, & |
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| 163 | type_yz(grid_level), pright, 1, & |
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| 164 | ar(nzb,nys-nbgp_local,nxl-nbgp_local), 1, & |
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| 165 | type_yz(grid_level), pleft, 1, & |
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[707] | 166 | comm2d, status, ierr ) |
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[667] | 167 | |
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[683] | 168 | ELSE |
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[667] | 169 | |
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[683] | 170 | ! |
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[2298] | 171 | !-- Asynchroneous exchange |
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[1128] | 172 | IF ( send_receive == 'lr' .OR. send_receive == 'al' ) THEN |
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| 173 | |
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[2298] | 174 | req(1:4) = 0 |
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| 175 | req_count = 0 |
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[683] | 176 | ! |
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[1128] | 177 | !-- Send left boundary, receive right one (asynchronous) |
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| 178 | CALL MPI_ISEND( ar(nzb,nys-nbgp_local,nxl), 1, type_yz(grid_level), & |
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| 179 | pleft, req_count, comm2d, req(req_count+1), ierr ) |
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| 180 | CALL MPI_IRECV( ar(nzb,nys-nbgp_local,nxr+1), 1, type_yz(grid_level), & |
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| 181 | pright, req_count, comm2d, req(req_count+2), ierr ) |
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| 182 | ! |
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| 183 | !-- Send right boundary, receive left one (asynchronous) |
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[1320] | 184 | CALL MPI_ISEND( ar(nzb,nys-nbgp_local,nxr+1-nbgp_local), 1, & |
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| 185 | type_yz(grid_level), pright, req_count+1, comm2d, & |
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[1128] | 186 | req(req_count+3), ierr ) |
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[1320] | 187 | CALL MPI_IRECV( ar(nzb,nys-nbgp_local,nxl-nbgp_local), 1, & |
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| 188 | type_yz(grid_level), pleft, req_count+1, comm2d, & |
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[1128] | 189 | req(req_count+4), ierr ) |
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[667] | 190 | |
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[2298] | 191 | CALL MPI_WAITALL( 4, req, wait_stat, ierr ) |
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[75] | 192 | |
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[1128] | 193 | ENDIF |
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| 194 | |
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[683] | 195 | ENDIF |
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| 196 | |
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[1] | 197 | ENDIF |
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| 198 | |
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[3657] | 199 | !$ACC UPDATE IF_PRESENT ASYNC(1) & |
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| 200 | !$ACC DEVICE(ar(:,:,nxl-nbgp_local:nxl-1)) & |
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| 201 | !$ACC DEVICE(ar(:,:,nxr+1:nxr+nbgp_local)) |
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[1] | 202 | |
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[3657] | 203 | ! |
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| 204 | !-- Wait for UPDATES above to complete before starting MPI. |
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| 205 | !$ACC WAIT(2) |
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| 206 | |
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[1] | 207 | IF ( pdims(2) == 1 .OR. mg_switch_to_pe0 ) THEN |
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| 208 | ! |
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| 209 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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| 210 | !-- within the PE memory |
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[707] | 211 | IF ( bc_ns_cyc ) THEN |
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[667] | 212 | ar(:,nys-nbgp_local:nys-1,:) = ar(:,nyn-nbgp_local+1:nyn,:) |
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| 213 | ar(:,nyn+1:nyn+nbgp_local,:) = ar(:,nys:nys+nbgp_local-1,:) |
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[1] | 214 | ENDIF |
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| 215 | |
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| 216 | ELSE |
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| 217 | |
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[683] | 218 | IF ( synchronous_exchange ) THEN |
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[1] | 219 | ! |
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[683] | 220 | !-- Send front boundary, receive rear one (synchronous) |
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| 221 | CALL MPI_SENDRECV( & |
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[707] | 222 | ar(nzb,nys,nxl-nbgp_local), 1, type_xz(grid_level), psouth, 0, & |
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| 223 | ar(nzb,nyn+1,nxl-nbgp_local), 1, type_xz(grid_level), pnorth, 0, & |
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| 224 | comm2d, status, ierr ) |
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[683] | 225 | ! |
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| 226 | !-- Send rear boundary, receive front one (synchronous) |
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[1320] | 227 | CALL MPI_SENDRECV( ar(nzb,nyn-nbgp_local+1,nxl-nbgp_local), 1, & |
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| 228 | type_xz(grid_level), pnorth, 1, & |
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| 229 | ar(nzb,nys-nbgp_local,nxl-nbgp_local), 1, & |
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| 230 | type_xz(grid_level), psouth, 1, & |
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[707] | 231 | comm2d, status, ierr ) |
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[667] | 232 | |
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[683] | 233 | ELSE |
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| 234 | |
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[1] | 235 | ! |
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[2298] | 236 | !-- Asynchroneous exchange |
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[1569] | 237 | IF ( send_receive == 'ns' .OR. send_receive == 'al' ) THEN |
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[1128] | 238 | |
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[2298] | 239 | req(1:4) = 0 |
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| 240 | req_count = 0 |
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[1128] | 241 | |
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[683] | 242 | ! |
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[1128] | 243 | !-- Send front boundary, receive rear one (asynchronous) |
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| 244 | CALL MPI_ISEND( ar(nzb,nys,nxl-nbgp_local), 1, type_xz(grid_level), & |
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| 245 | psouth, req_count, comm2d, req(req_count+1), ierr ) |
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| 246 | CALL MPI_IRECV( ar(nzb,nyn+1,nxl-nbgp_local), 1, type_xz(grid_level), & |
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| 247 | pnorth, req_count, comm2d, req(req_count+2), ierr ) |
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| 248 | ! |
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| 249 | !-- Send rear boundary, receive front one (asynchronous) |
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[1320] | 250 | CALL MPI_ISEND( ar(nzb,nyn-nbgp_local+1,nxl-nbgp_local), 1, & |
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| 251 | type_xz(grid_level), pnorth, req_count+1, comm2d, & |
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[1128] | 252 | req(req_count+3), ierr ) |
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[1320] | 253 | CALL MPI_IRECV( ar(nzb,nys-nbgp_local,nxl-nbgp_local), 1, & |
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| 254 | type_xz(grid_level), psouth, req_count+1, comm2d, & |
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[1128] | 255 | req(req_count+4), ierr ) |
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[75] | 256 | |
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[2298] | 257 | CALL MPI_WAITALL( 4, req, wait_stat, ierr ) |
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[683] | 258 | |
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[1128] | 259 | ENDIF |
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| 260 | |
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[683] | 261 | ENDIF |
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| 262 | |
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[1] | 263 | ENDIF |
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| 264 | |
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| 265 | #else |
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| 266 | |
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| 267 | ! |
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[1113] | 268 | !-- Lateral boundary conditions in the non-parallel case. |
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| 269 | !-- Case dependent, because in GPU mode still not all arrays are on device. This |
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| 270 | !-- workaround has to be removed later. Also, since PGI compiler 12.5 has problems |
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| 271 | !-- with array syntax, explicit loops are used. |
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[3241] | 272 | IF ( bc_lr_cyc ) THEN |
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[2118] | 273 | ar(:,:,nxl-nbgp_local:nxl-1) = ar(:,:,nxr-nbgp_local+1:nxr) |
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| 274 | ar(:,:,nxr+1:nxr+nbgp_local) = ar(:,:,nxl:nxl+nbgp_local-1) |
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[1] | 275 | ENDIF |
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| 276 | |
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[3657] | 277 | !$ACC UPDATE IF_PRESENT ASYNC(1) & |
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| 278 | !$ACC DEVICE(ar(:,:,nxl-nbgp_local:nxl-1)) & |
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| 279 | !$ACC DEVICE(ar(:,:,nxr+1:nxr+nbgp_local)) |
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| 280 | |
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| 281 | ! |
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| 282 | !-- Wait for UPDATES above to complete before starting MPI. |
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| 283 | !$ACC WAIT(2) |
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| 284 | |
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[3241] | 285 | IF ( bc_ns_cyc ) THEN |
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[2118] | 286 | ar(:,nys-nbgp_local:nys-1,:) = ar(:,nyn-nbgp_local+1:nyn,:) |
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| 287 | ar(:,nyn+1:nyn+nbgp_local,:) = ar(:,nys:nys+nbgp_local-1,:) |
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[1] | 288 | ENDIF |
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| 289 | |
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| 290 | #endif |
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[3634] | 291 | |
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[3761] | 292 | #if defined( _OPENACC ) |
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[3634] | 293 | DO i = nxl-nbgp_local, nxr+nbgp_local |
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[3657] | 294 | !$ACC UPDATE IF_PRESENT ASYNC(2) & |
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[3634] | 295 | !$ACC DEVICE(ar(:,nys-nbgp_local:nys-1,i)) & |
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| 296 | !$ACC DEVICE(ar(:,nyn+1:nyn+nbgp_local,i)) |
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| 297 | ENDDO |
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[3657] | 298 | |
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| 299 | ! |
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| 300 | !-- Wait for all UPDATEs to finish. |
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| 301 | !$ACC WAIT |
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[3634] | 302 | #endif |
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| 303 | |
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[1] | 304 | CALL cpu_log( log_point_s(2), 'exchange_horiz', 'stop' ) |
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| 305 | |
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| 306 | END SUBROUTINE exchange_horiz |
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[1677] | 307 | |
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| 308 | |
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[1682] | 309 | !------------------------------------------------------------------------------! |
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| 310 | ! Description: |
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| 311 | ! ------------ |
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| 312 | !> @todo Missing subroutine description. |
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| 313 | !------------------------------------------------------------------------------! |
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[4429] | 314 | SUBROUTINE exchange_horiz_int( ar, nys_l, nyn_l, nxl_l, nxr_l, nzt_l, nbgp_local ) |
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[1677] | 315 | |
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[4429] | 316 | |
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[1677] | 317 | USE control_parameters, & |
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[4429] | 318 | ONLY: bc_lr_cyc, bc_ns_cyc |
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| 319 | |
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| 320 | #if defined( __parallel ) |
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| 321 | USE control_parameters, & |
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| 322 | ONLY: grid_level |
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| 323 | #endif |
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[1677] | 324 | |
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| 325 | USE indices, & |
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[3241] | 326 | ONLY: nzb |
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[1677] | 327 | |
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[2696] | 328 | INTEGER(iwp) :: nxl_l !< local index bound at current grid level, left side |
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| 329 | INTEGER(iwp) :: nxr_l !< local index bound at current grid level, right side |
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| 330 | INTEGER(iwp) :: nyn_l !< local index bound at current grid level, north side |
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| 331 | INTEGER(iwp) :: nys_l !< local index bound at current grid level, south side |
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| 332 | INTEGER(iwp) :: nzt_l !< local index bound at current grid level, top |
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[1682] | 333 | INTEGER(iwp) :: nbgp_local !< number of ghost points |
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[1677] | 334 | |
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[2696] | 335 | INTEGER(iwp), DIMENSION(nzb:nzt_l+1,nys_l-nbgp_local:nyn_l+nbgp_local, & |
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| 336 | nxl_l-nbgp_local:nxr_l+nbgp_local) :: ar !< treated array |
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[1677] | 337 | |
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| 338 | |
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| 339 | #if defined( __parallel ) |
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| 340 | IF ( pdims(1) == 1 ) THEN |
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| 341 | ! |
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| 342 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
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| 343 | !-- within the PE memory |
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| 344 | IF ( bc_lr_cyc ) THEN |
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[2696] | 345 | ar(:,:,nxl_l-nbgp_local:nxl_l-1) = ar(:,:,nxr_l-nbgp_local+1:nxr_l) |
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| 346 | ar(:,:,nxr_l+1:nxr_l+nbgp_local) = ar(:,:,nxl_l:nxl_l+nbgp_local-1) |
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[1677] | 347 | ENDIF |
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| 348 | ELSE |
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| 349 | ! |
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| 350 | !-- Send left boundary, receive right one (synchronous) |
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[2696] | 351 | CALL MPI_SENDRECV( & |
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| 352 | ar(nzb,nys_l-nbgp_local,nxl_l), 1, type_yz_int(grid_level), pleft, 0,& |
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| 353 | ar(nzb,nys_l-nbgp_local,nxr_l+1), 1, type_yz_int(grid_level), pright, 0,& |
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[1677] | 354 | comm2d, status, ierr ) |
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| 355 | ! |
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| 356 | !-- Send right boundary, receive left one (synchronous) |
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[2696] | 357 | CALL MPI_SENDRECV( & |
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| 358 | ar(nzb,nys_l-nbgp_local,nxr_l+1-nbgp_local), 1, type_yz_int(grid_level),& |
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| 359 | pright, 1, & |
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| 360 | ar(nzb,nys_l-nbgp_local,nxl_l-nbgp_local), 1, type_yz_int(grid_level),& |
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| 361 | pleft, 1, & |
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[1677] | 362 | comm2d, status, ierr ) |
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| 363 | ENDIF |
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| 364 | |
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| 365 | |
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| 366 | IF ( pdims(2) == 1 ) THEN |
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| 367 | ! |
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| 368 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
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| 369 | !-- within the PE memory |
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| 370 | IF ( bc_ns_cyc ) THEN |
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[2696] | 371 | ar(:,nys_l-nbgp_local:nys_l-1,:) = ar(:,nyn_l-nbgp_local+1:nyn_l,:) |
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| 372 | ar(:,nyn_l+1:nyn_l+nbgp_local,:) = ar(:,nys_l:nys_l+nbgp_local-1,:) |
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[1677] | 373 | ENDIF |
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| 374 | |
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| 375 | ELSE |
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| 376 | |
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| 377 | ! |
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| 378 | !-- Send front boundary, receive rear one (synchronous) |
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[2696] | 379 | CALL MPI_SENDRECV( & |
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| 380 | ar(nzb,nys_l,nxl_l-nbgp_local), 1, type_xz_int(grid_level), psouth, 0,& |
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| 381 | ar(nzb,nyn_l+1,nxl_l-nbgp_local), 1, type_xz_int(grid_level), pnorth, 0,& |
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[1677] | 382 | comm2d, status, ierr ) |
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| 383 | ! |
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| 384 | !-- Send rear boundary, receive front one (synchronous) |
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[2696] | 385 | CALL MPI_SENDRECV( ar(nzb,nyn_l-nbgp_local+1,nxl_l-nbgp_local), 1, & |
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| 386 | type_xz_int(grid_level), pnorth, 1, & |
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| 387 | ar(nzb,nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
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| 388 | type_xz_int(grid_level), psouth, 1, & |
---|
[1677] | 389 | comm2d, status, ierr ) |
---|
| 390 | |
---|
| 391 | ENDIF |
---|
| 392 | |
---|
| 393 | #else |
---|
| 394 | |
---|
[3241] | 395 | IF ( bc_lr_cyc ) THEN |
---|
[2696] | 396 | ar(:,:,nxl_l-nbgp_local:nxl_l-1) = ar(:,:,nxr_l-nbgp_local+1:nxr_l) |
---|
| 397 | ar(:,:,nxr_l+1:nxr_l+nbgp_local) = ar(:,:,nxl_l:nxl_l+nbgp_local-1) |
---|
[1677] | 398 | ENDIF |
---|
| 399 | |
---|
[3241] | 400 | IF ( bc_ns_cyc ) THEN |
---|
[2696] | 401 | ar(:,nys_l-nbgp_local:nys_l-1,:) = ar(:,nyn_l-nbgp_local+1:nyn_l,:) |
---|
| 402 | ar(:,nyn_l+1:nyn_l+nbgp_local,:) = ar(:,nys_l:nys_l+nbgp_local-1,:) |
---|
[1677] | 403 | ENDIF |
---|
| 404 | |
---|
| 405 | #endif |
---|
| 406 | |
---|
[4457] | 407 | END SUBROUTINE exchange_horiz_int |
---|
[1677] | 408 | |
---|
[4457] | 409 | ! Description: |
---|
| 410 | ! ------------ |
---|
| 411 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
---|
| 412 | !> boundary conditions, respectively, for 2D-arrays. |
---|
| 413 | !------------------------------------------------------------------------------! |
---|
| 414 | SUBROUTINE exchange_horiz_2d( ar ) |
---|
| 415 | |
---|
| 416 | USE control_parameters, & |
---|
| 417 | ONLY : bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, & |
---|
| 418 | bc_dirichlet_s, bc_radiation_l, & |
---|
| 419 | bc_radiation_n, bc_radiation_r, bc_radiation_s |
---|
| 420 | |
---|
| 421 | USE cpulog, & |
---|
| 422 | ONLY : cpu_log, log_point_s |
---|
| 423 | |
---|
| 424 | USE indices, & |
---|
| 425 | ONLY : nbgp, nxl, nxlg, nxr, nxrg, nyn, nyng, nys, nysg |
---|
| 426 | |
---|
| 427 | #if ! defined( __parallel ) |
---|
| 428 | USE control_parameters, & |
---|
| 429 | ONLY: bc_lr_cyc, bc_ns_cyc |
---|
| 430 | #endif |
---|
| 431 | |
---|
| 432 | |
---|
| 433 | INTEGER(iwp) :: i !< |
---|
| 434 | |
---|
| 435 | REAL(wp) :: ar(nysg:nyng,nxlg:nxrg) !< |
---|
| 436 | |
---|
| 437 | |
---|
| 438 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
---|
| 439 | |
---|
| 440 | #if defined( __parallel ) |
---|
| 441 | |
---|
| 442 | ! |
---|
| 443 | !-- Exchange of lateral boundary values for parallel computers |
---|
| 444 | IF ( pdims(1) == 1 ) THEN |
---|
| 445 | |
---|
| 446 | ! |
---|
| 447 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
---|
| 448 | !-- within the PE memory |
---|
| 449 | ar(:,nxlg:nxl-1) = ar(:,nxr-nbgp+1:nxr) |
---|
| 450 | ar(:,nxr+1:nxrg) = ar(:,nxl:nxl+nbgp-1) |
---|
| 451 | |
---|
| 452 | ELSE |
---|
| 453 | ! |
---|
| 454 | !-- Send left boundary, receive right one |
---|
| 455 | |
---|
| 456 | CALL MPI_SENDRECV( ar(nysg,nxl), 1, type_y, pleft, 0, & |
---|
| 457 | ar(nysg,nxr+1), 1, type_y, pright, 0, & |
---|
| 458 | comm2d, status, ierr ) |
---|
| 459 | ! |
---|
| 460 | !-- Send right boundary, receive left one |
---|
| 461 | CALL MPI_SENDRECV( ar(nysg,nxr+1-nbgp), 1, type_y, pright, 1, & |
---|
| 462 | ar(nysg,nxlg), 1, type_y, pleft, 1, & |
---|
| 463 | comm2d, status, ierr ) |
---|
| 464 | |
---|
| 465 | |
---|
| 466 | ENDIF |
---|
| 467 | |
---|
| 468 | IF ( pdims(2) == 1 ) THEN |
---|
| 469 | ! |
---|
| 470 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
---|
| 471 | !-- within the PE memory |
---|
| 472 | ar(nysg:nys-1,:) = ar(nyn-nbgp+1:nyn,:) |
---|
| 473 | ar(nyn+1:nyng,:) = ar(nys:nys+nbgp-1,:) |
---|
| 474 | |
---|
| 475 | ELSE |
---|
| 476 | ! |
---|
| 477 | !-- Send front boundary, receive rear one |
---|
| 478 | |
---|
| 479 | CALL MPI_SENDRECV( ar(nys,nxlg), 1, type_x, psouth, 0, & |
---|
| 480 | ar(nyn+1,nxlg), 1, type_x, pnorth, 0, & |
---|
| 481 | comm2d, status, ierr ) |
---|
| 482 | ! |
---|
| 483 | !-- Send rear boundary, receive front one |
---|
| 484 | CALL MPI_SENDRECV( ar(nyn+1-nbgp,nxlg), 1, type_x, pnorth, 1, & |
---|
| 485 | ar(nysg,nxlg), 1, type_x, psouth, 1, & |
---|
| 486 | comm2d, status, ierr ) |
---|
| 487 | |
---|
| 488 | ENDIF |
---|
| 489 | |
---|
| 490 | #else |
---|
| 491 | |
---|
| 492 | ! |
---|
| 493 | !-- Lateral boundary conditions in the non-parallel case |
---|
| 494 | IF ( bc_lr_cyc ) THEN |
---|
| 495 | ar(:,nxlg:nxl-1) = ar(:,nxr-nbgp+1:nxr) |
---|
| 496 | ar(:,nxr+1:nxrg) = ar(:,nxl:nxl+nbgp-1) |
---|
| 497 | ENDIF |
---|
| 498 | |
---|
| 499 | IF ( bc_ns_cyc ) THEN |
---|
| 500 | ar(nysg:nys-1,:) = ar(nyn-nbgp+1:nyn,:) |
---|
| 501 | ar(nyn+1:nyng,:) = ar(nys:nys+nbgp-1,:) |
---|
| 502 | ENDIF |
---|
| 503 | |
---|
| 504 | #endif |
---|
| 505 | |
---|
| 506 | ! |
---|
| 507 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
---|
| 508 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
---|
| 509 | DO i = nbgp, 1, -1 |
---|
| 510 | ar(:,nxl-i) = ar(:,nxl) |
---|
| 511 | ENDDO |
---|
| 512 | ENDIF |
---|
| 513 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
---|
| 514 | DO i = 1, nbgp |
---|
| 515 | ar(:,nxr+i) = ar(:,nxr) |
---|
| 516 | ENDDO |
---|
| 517 | ENDIF |
---|
| 518 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
---|
| 519 | DO i = nbgp, 1, -1 |
---|
| 520 | ar(nys-i,:) = ar(nys,:) |
---|
| 521 | ENDDO |
---|
| 522 | ENDIF |
---|
| 523 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
---|
| 524 | DO i = 1, nbgp |
---|
| 525 | ar(nyn+i,:) = ar(nyn,:) |
---|
| 526 | ENDDO |
---|
| 527 | ENDIF |
---|
| 528 | |
---|
| 529 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
---|
| 530 | |
---|
| 531 | END SUBROUTINE exchange_horiz_2d |
---|
| 532 | |
---|
| 533 | |
---|
| 534 | !------------------------------------------------------------------------------! |
---|
| 535 | ! Description: |
---|
| 536 | ! ------------ |
---|
| 537 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
---|
| 538 | !> boundary conditions, respectively, for 2D 8-bit integer arrays. |
---|
| 539 | !------------------------------------------------------------------------------! |
---|
| 540 | SUBROUTINE exchange_horiz_2d_byte( ar, nys_l, nyn_l, nxl_l, nxr_l, nbgp_local ) |
---|
| 541 | |
---|
| 542 | |
---|
| 543 | USE control_parameters, & |
---|
| 544 | ONLY: bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, bc_dirichlet_s, & |
---|
| 545 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s, & |
---|
| 546 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s |
---|
| 547 | |
---|
| 548 | USE cpulog, & |
---|
| 549 | ONLY: cpu_log, log_point_s |
---|
| 550 | |
---|
| 551 | #if ! defined( __parallel ) |
---|
| 552 | USE control_parameters, & |
---|
| 553 | ONLY: bc_lr_cyc, bc_ns_cyc |
---|
| 554 | #endif |
---|
| 555 | |
---|
| 556 | INTEGER(iwp) :: i !< dummy index to zero-gradient conditions at in/outflow boundaries |
---|
| 557 | INTEGER(iwp) :: nxl_l !< local index bound at current grid level, left side |
---|
| 558 | INTEGER(iwp) :: nxr_l !< local index bound at current grid level, right side |
---|
| 559 | INTEGER(iwp) :: nyn_l !< local index bound at current grid level, north side |
---|
| 560 | INTEGER(iwp) :: nys_l !< local index bound at current grid level, south side |
---|
| 561 | INTEGER(iwp) :: nbgp_local !< number of ghost layers to be exchanged |
---|
| 562 | |
---|
| 563 | INTEGER(KIND=1), DIMENSION(nys_l-nbgp_local:nyn_l+nbgp_local, & |
---|
| 564 | nxl_l-nbgp_local:nxr_l+nbgp_local) :: ar !< treated array |
---|
| 565 | |
---|
| 566 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
---|
| 567 | |
---|
| 568 | #if defined( __parallel ) |
---|
| 569 | |
---|
| 570 | ! |
---|
| 571 | !-- Exchange of lateral boundary values for parallel computers |
---|
| 572 | IF ( pdims(1) == 1 ) THEN |
---|
| 573 | |
---|
| 574 | ! |
---|
| 575 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
---|
| 576 | !-- within the PE memory |
---|
| 577 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
---|
| 578 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
---|
| 579 | |
---|
| 580 | ELSE |
---|
| 581 | ! |
---|
| 582 | !-- Send left boundary, receive right one |
---|
| 583 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxl_l), 1, & |
---|
| 584 | type_y_byte, pleft, 0, & |
---|
| 585 | ar(nys_l-nbgp_local,nxr_l+1), 1, & |
---|
| 586 | type_y_byte, pright, 0, & |
---|
| 587 | comm2d, status, ierr ) |
---|
| 588 | ! |
---|
| 589 | !-- Send right boundary, receive left one |
---|
| 590 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxr_l+1-nbgp_local), 1, & |
---|
| 591 | type_y_byte, pright, 1, & |
---|
| 592 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
---|
| 593 | type_y_byte, pleft, 1, & |
---|
| 594 | comm2d, status, ierr ) |
---|
| 595 | |
---|
| 596 | ENDIF |
---|
| 597 | |
---|
| 598 | IF ( pdims(2) == 1 ) THEN |
---|
| 599 | ! |
---|
| 600 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
---|
| 601 | !-- within the PE memory |
---|
| 602 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
---|
| 603 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
---|
| 604 | |
---|
| 605 | |
---|
| 606 | ELSE |
---|
| 607 | ! |
---|
| 608 | !-- Send front boundary, receive rear one |
---|
| 609 | CALL MPI_SENDRECV( ar(nys_l,nxl_l-nbgp_local), 1, & |
---|
| 610 | type_x_byte, psouth, 0, & |
---|
| 611 | ar(nyn_l+1,nxl_l-nbgp_local), 1, & |
---|
| 612 | type_x_byte, pnorth, 0, & |
---|
| 613 | comm2d, status, ierr ) |
---|
| 614 | |
---|
| 615 | ! |
---|
| 616 | !-- Send rear boundary, receive front one |
---|
| 617 | CALL MPI_SENDRECV( ar(nyn_l+1-nbgp_local,nxl_l-nbgp_local), 1, & |
---|
| 618 | type_x_byte, pnorth, 1, & |
---|
| 619 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
---|
| 620 | type_x_byte, psouth, 1, & |
---|
| 621 | comm2d, status, ierr ) |
---|
| 622 | |
---|
| 623 | ENDIF |
---|
| 624 | |
---|
| 625 | #else |
---|
| 626 | |
---|
| 627 | ! |
---|
| 628 | !-- Lateral boundary conditions in the non-parallel case |
---|
| 629 | IF ( bc_lr_cyc ) THEN |
---|
| 630 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
---|
| 631 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
---|
| 632 | ENDIF |
---|
| 633 | |
---|
| 634 | IF ( bc_ns_cyc ) THEN |
---|
| 635 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
---|
| 636 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
---|
| 637 | ENDIF |
---|
| 638 | |
---|
| 639 | #endif |
---|
| 640 | ! |
---|
| 641 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
---|
| 642 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
---|
| 643 | DO i = nbgp_local, 1, -1 |
---|
| 644 | ar(:,nxl_l-i) = ar(:,nxl_l) |
---|
| 645 | ENDDO |
---|
| 646 | ENDIF |
---|
| 647 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
---|
| 648 | DO i = 1, nbgp_local |
---|
| 649 | ar(:,nxr_l+i) = ar(:,nxr_l) |
---|
| 650 | ENDDO |
---|
| 651 | ENDIF |
---|
| 652 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
---|
| 653 | DO i = nbgp_local, 1, -1 |
---|
| 654 | ar(nys_l-i,:) = ar(nys_l,:) |
---|
| 655 | ENDDO |
---|
| 656 | ENDIF |
---|
| 657 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
---|
| 658 | DO i = 1, nbgp_local |
---|
| 659 | ar(nyn_l+i,:) = ar(nyn_l,:) |
---|
| 660 | ENDDO |
---|
| 661 | ENDIF |
---|
| 662 | |
---|
| 663 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
---|
| 664 | |
---|
| 665 | END SUBROUTINE exchange_horiz_2d_byte |
---|
| 666 | |
---|
| 667 | |
---|
| 668 | !------------------------------------------------------------------------------! |
---|
| 669 | ! Description: |
---|
| 670 | ! ------------ |
---|
| 671 | !> Exchange of lateral (ghost) boundaries (parallel computers) and cyclic |
---|
| 672 | !> boundary conditions, respectively, for 2D 32-bit integer arrays. |
---|
| 673 | !------------------------------------------------------------------------------! |
---|
| 674 | SUBROUTINE exchange_horiz_2d_int( ar, nys_l, nyn_l, nxl_l, nxr_l, nbgp_local ) |
---|
| 675 | |
---|
| 676 | |
---|
| 677 | USE control_parameters, & |
---|
| 678 | ONLY: bc_dirichlet_l, bc_dirichlet_n, bc_dirichlet_r, bc_dirichlet_s, & |
---|
| 679 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s, & |
---|
| 680 | bc_radiation_l, bc_radiation_n, bc_radiation_r, bc_radiation_s |
---|
| 681 | |
---|
| 682 | #if defined( __parallel ) |
---|
| 683 | USE control_parameters, & |
---|
| 684 | ONLY: grid_level |
---|
| 685 | #endif |
---|
| 686 | |
---|
| 687 | USE cpulog, & |
---|
| 688 | ONLY: cpu_log, log_point_s |
---|
| 689 | |
---|
| 690 | #if ! defined( __parallel ) |
---|
| 691 | USE control_parameters, & |
---|
| 692 | ONLY: bc_lr_cyc, bc_ns_cyc |
---|
| 693 | #endif |
---|
| 694 | |
---|
| 695 | INTEGER(iwp) :: i !< dummy index to zero-gradient conditions at in/outflow boundaries |
---|
| 696 | INTEGER(iwp) :: nxl_l !< local index bound at current grid level, left side |
---|
| 697 | INTEGER(iwp) :: nxr_l !< local index bound at current grid level, right side |
---|
| 698 | INTEGER(iwp) :: nyn_l !< local index bound at current grid level, north side |
---|
| 699 | INTEGER(iwp) :: nys_l !< local index bound at current grid level, south side |
---|
| 700 | INTEGER(iwp) :: nbgp_local !< number of ghost layers to be exchanged |
---|
| 701 | |
---|
| 702 | INTEGER(iwp), DIMENSION(nys_l-nbgp_local:nyn_l+nbgp_local, & |
---|
| 703 | nxl_l-nbgp_local:nxr_l+nbgp_local) :: ar !< treated array |
---|
| 704 | |
---|
| 705 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'start' ) |
---|
| 706 | |
---|
| 707 | #if defined( __parallel ) |
---|
| 708 | |
---|
| 709 | ! |
---|
| 710 | !-- Exchange of lateral boundary values for parallel computers |
---|
| 711 | IF ( pdims(1) == 1 ) THEN |
---|
| 712 | |
---|
| 713 | ! |
---|
| 714 | !-- One-dimensional decomposition along y, boundary values can be exchanged |
---|
| 715 | !-- within the PE memory |
---|
| 716 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
---|
| 717 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
---|
| 718 | |
---|
| 719 | ELSE |
---|
| 720 | ! |
---|
| 721 | !-- Send left boundary, receive right one |
---|
| 722 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxl_l), 1, & |
---|
| 723 | type_y_int(grid_level), pleft, 0, & |
---|
| 724 | ar(nys_l-nbgp_local,nxr_l+1), 1, & |
---|
| 725 | type_y_int(grid_level), pright, 0, & |
---|
| 726 | comm2d, status, ierr ) |
---|
| 727 | ! |
---|
| 728 | !-- Send right boundary, receive left one |
---|
| 729 | CALL MPI_SENDRECV( ar(nys_l-nbgp_local,nxr_l+1-nbgp_local), 1, & |
---|
| 730 | type_y_int(grid_level), pright, 1, & |
---|
| 731 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
---|
| 732 | type_y_int(grid_level), pleft, 1, & |
---|
| 733 | comm2d, status, ierr ) |
---|
| 734 | |
---|
| 735 | ENDIF |
---|
| 736 | |
---|
| 737 | IF ( pdims(2) == 1 ) THEN |
---|
| 738 | ! |
---|
| 739 | !-- One-dimensional decomposition along x, boundary values can be exchanged |
---|
| 740 | !-- within the PE memory |
---|
| 741 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
---|
| 742 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
---|
| 743 | |
---|
| 744 | |
---|
| 745 | ELSE |
---|
| 746 | ! |
---|
| 747 | !-- Send front boundary, receive rear one |
---|
| 748 | CALL MPI_SENDRECV( ar(nys_l,nxl_l-nbgp_local), 1, & |
---|
| 749 | type_x_int(grid_level), psouth, 0, & |
---|
| 750 | ar(nyn_l+1,nxl_l-nbgp_local), 1, & |
---|
| 751 | type_x_int(grid_level), pnorth, 0, & |
---|
| 752 | comm2d, status, ierr ) |
---|
| 753 | |
---|
| 754 | ! |
---|
| 755 | !-- Send rear boundary, receive front one |
---|
| 756 | CALL MPI_SENDRECV( ar(nyn_l+1-nbgp_local,nxl_l-nbgp_local), 1, & |
---|
| 757 | type_x_int(grid_level), pnorth, 1, & |
---|
| 758 | ar(nys_l-nbgp_local,nxl_l-nbgp_local), 1, & |
---|
| 759 | type_x_int(grid_level), psouth, 1, & |
---|
| 760 | comm2d, status, ierr ) |
---|
| 761 | |
---|
| 762 | ENDIF |
---|
| 763 | |
---|
| 764 | #else |
---|
| 765 | |
---|
| 766 | ! |
---|
| 767 | !-- Lateral boundary conditions in the non-parallel case |
---|
| 768 | IF ( bc_lr_cyc ) THEN |
---|
| 769 | ar(:,nxl_l-nbgp_local:nxl_l-1) = ar(:,nxr_l-nbgp_local+1:nxr_l) |
---|
| 770 | ar(:,nxr_l+1:nxr_l+nbgp_local) = ar(:,nxl_l:nxl_l+nbgp_local-1) |
---|
| 771 | ENDIF |
---|
| 772 | |
---|
| 773 | IF ( bc_ns_cyc ) THEN |
---|
| 774 | ar(nys_l-nbgp_local:nys_l-1,:) = ar(nyn_l+1-nbgp_local:nyn_l,:) |
---|
| 775 | ar(nyn_l+1:nyn_l+nbgp_local,:) = ar(nys_l:nys_l-1+nbgp_local,:) |
---|
| 776 | ENDIF |
---|
| 777 | |
---|
| 778 | #endif |
---|
| 779 | ! |
---|
| 780 | !-- Neumann-conditions at inflow/outflow/nested boundaries |
---|
| 781 | IF ( bc_dirichlet_l .OR. bc_radiation_l ) THEN |
---|
| 782 | DO i = nbgp_local, 1, -1 |
---|
| 783 | ar(:,nxl_l-i) = ar(:,nxl_l) |
---|
| 784 | ENDDO |
---|
| 785 | ENDIF |
---|
| 786 | IF ( bc_dirichlet_r .OR. bc_radiation_r ) THEN |
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| 787 | DO i = 1, nbgp_local |
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| 788 | ar(:,nxr_l+i) = ar(:,nxr_l) |
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| 789 | ENDDO |
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| 790 | ENDIF |
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| 791 | IF ( bc_dirichlet_s .OR. bc_radiation_s ) THEN |
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| 792 | DO i = nbgp_local, 1, -1 |
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| 793 | ar(nys_l-i,:) = ar(nys_l,:) |
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| 794 | ENDDO |
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| 795 | ENDIF |
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| 796 | IF ( bc_dirichlet_n .OR. bc_radiation_n ) THEN |
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| 797 | DO i = 1, nbgp_local |
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| 798 | ar(nyn_l+i,:) = ar(nyn_l,:) |
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| 799 | ENDDO |
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| 800 | ENDIF |
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| 801 | |
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| 802 | CALL cpu_log( log_point_s(13), 'exchange_horiz_2d', 'stop' ) |
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| 803 | |
---|
| 804 | END SUBROUTINE exchange_horiz_2d_int |
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| 805 | |
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| 806 | |
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| 807 | END MODULE exchange_horiz_mod |
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