[3962] | 1 | MODULE pmc_parent |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! This file is part of the PALM model system. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 7 | ! terms of the GNU General Public License as published by the Free Software |
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| 8 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 9 | ! version. |
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| 10 | ! |
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| 11 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 12 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 13 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 14 | ! |
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| 15 | ! You should have received a copy of the GNU General Public License along with |
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| 16 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 17 | ! |
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| 18 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
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| 19 | !------------------------------------------------------------------------------! |
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| 20 | ! |
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| 21 | ! Current revisions: |
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| 22 | ! ------------------ |
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[1834] | 23 | ! |
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[3049] | 24 | ! |
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[3962] | 25 | ! Former revisions: |
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| 26 | ! ----------------- |
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| 27 | ! $Id: pmc_parent_mod.f90 4180 2019-08-21 14:37:54Z scharf $ |
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| 28 | ! Bugfixes in initial settings of child and parent communication patterns. |
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| 29 | ! |
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| 30 | ! 3655 2019-01-07 16:51:22Z knoop |
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| 31 | ! explicit kind settings |
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| 32 | ! |
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| 33 | ! |
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| 34 | ! Description: |
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| 35 | ! ------------ |
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| 36 | ! |
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| 37 | ! Parent part of Palm Model Coupler |
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| 38 | !------------------------------------------------------------------------------! |
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| 39 | |
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| 40 | #if defined( __parallel ) |
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| 41 | USE, INTRINSIC :: ISO_C_BINDING |
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| 42 | |
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| 43 | #if !defined( __mpifh ) |
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| 44 | USE MPI |
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| 45 | #endif |
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| 46 | USE kinds |
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| 47 | USE pmc_general, & |
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| 48 | ONLY: arraydef, childdef, da_namedef, da_namelen, pedef, & |
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| 49 | pmc_g_setname, pmc_max_array, pmc_max_models, pmc_sort |
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| 50 | |
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| 51 | USE pmc_handle_communicator, & |
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| 52 | ONLY: m_model_comm,m_model_rank,m_model_npes, m_to_child_comm, & |
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| 53 | m_world_rank, pmc_parent_for_child |
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| 54 | |
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| 55 | USE pmc_mpi_wrapper, & |
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| 56 | ONLY: pmc_alloc_mem, pmc_bcast, pmc_time |
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| 57 | |
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| 58 | IMPLICIT NONE |
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| 59 | |
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| 60 | #if defined( __mpifh ) |
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| 61 | INCLUDE "mpif.h" |
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| 62 | #endif |
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| 63 | |
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| 64 | PRIVATE |
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| 65 | SAVE |
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| 66 | |
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| 67 | TYPE childindexdef |
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| 68 | INTEGER :: nrpoints !< |
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| 69 | INTEGER, DIMENSION(:,:), ALLOCATABLE :: index_list_2d !< |
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| 70 | END TYPE childindexdef |
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| 71 | |
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| 72 | TYPE(childdef), DIMENSION(pmc_max_models),PUBLIC :: children !< |
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| 73 | TYPE(childindexdef), DIMENSION(pmc_max_models) :: indchildren !< |
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| 74 | |
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| 75 | INTEGER :: next_array_in_list = 0 !< |
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| 76 | |
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| 77 | |
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| 78 | PUBLIC pmc_parent_for_child |
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| 79 | |
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| 80 | |
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| 81 | INTERFACE pmc_parentinit |
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| 82 | MODULE PROCEDURE pmc_parentinit |
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| 83 | END INTERFACE pmc_parentinit |
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| 84 | |
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| 85 | INTERFACE pmc_s_set_2d_index_list |
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| 86 | MODULE PROCEDURE pmc_s_set_2d_index_list |
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| 87 | END INTERFACE pmc_s_set_2d_index_list |
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| 88 | |
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| 89 | INTERFACE pmc_s_clear_next_array_list |
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| 90 | MODULE PROCEDURE pmc_s_clear_next_array_list |
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| 91 | END INTERFACE pmc_s_clear_next_array_list |
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| 92 | |
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| 93 | INTERFACE pmc_s_getnextarray |
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| 94 | MODULE PROCEDURE pmc_s_getnextarray |
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| 95 | END INTERFACE pmc_s_getnextarray |
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| 96 | |
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| 97 | INTERFACE pmc_s_set_dataarray |
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| 98 | MODULE PROCEDURE pmc_s_set_dataarray_2d |
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| 99 | MODULE PROCEDURE pmc_s_set_dataarray_3d |
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| 100 | MODULE PROCEDURE pmc_s_set_dataarray_ip2d |
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| 101 | END INTERFACE pmc_s_set_dataarray |
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| 102 | |
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| 103 | INTERFACE pmc_s_setind_and_allocmem |
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| 104 | MODULE PROCEDURE pmc_s_setind_and_allocmem |
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| 105 | END INTERFACE pmc_s_setind_and_allocmem |
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| 106 | |
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| 107 | INTERFACE pmc_s_fillbuffer |
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| 108 | MODULE PROCEDURE pmc_s_fillbuffer |
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| 109 | END INTERFACE pmc_s_fillbuffer |
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| 110 | |
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| 111 | INTERFACE pmc_s_getdata_from_buffer |
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| 112 | MODULE PROCEDURE pmc_s_getdata_from_buffer |
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| 113 | END INTERFACE pmc_s_getdata_from_buffer |
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| 114 | |
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| 115 | INTERFACE pmc_s_set_active_data_array |
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| 116 | MODULE PROCEDURE pmc_s_set_active_data_array |
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| 117 | END INTERFACE pmc_s_set_active_data_array |
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| 118 | |
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| 119 | INTERFACE pmc_s_get_child_npes |
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| 120 | MODULE PROCEDURE pmc_s_get_child_npes |
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| 121 | END INTERFACE pmc_s_get_child_npes |
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| 122 | |
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| 123 | PUBLIC pmc_parentinit, pmc_s_clear_next_array_list, pmc_s_fillbuffer, & |
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| 124 | pmc_s_getdata_from_buffer, pmc_s_getnextarray, & |
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| 125 | pmc_s_setind_and_allocmem, pmc_s_set_active_data_array, & |
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| 126 | pmc_s_set_dataarray, pmc_s_set_2d_index_list, & |
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| 127 | pmc_s_get_child_npes |
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| 128 | |
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| 129 | CONTAINS |
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| 130 | |
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| 131 | |
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| 132 | SUBROUTINE pmc_parentinit |
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| 133 | |
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| 134 | IMPLICIT NONE |
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| 135 | |
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| 136 | INTEGER(iwp) :: childid !< |
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| 137 | INTEGER(iwp) :: i !< |
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| 138 | INTEGER(iwp) :: j !< |
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| 139 | INTEGER(iwp) :: istat !< |
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| 140 | |
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| 141 | DO i = 1, SIZE( pmc_parent_for_child )-1 |
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| 142 | |
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| 143 | childid = pmc_parent_for_child( i ) |
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| 144 | |
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| 145 | children(childid)%model_comm = m_model_comm |
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| 146 | children(childid)%inter_comm = m_to_child_comm(childid) |
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| 147 | |
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| 148 | ! |
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| 149 | !-- Get rank and size |
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| 150 | CALL MPI_COMM_RANK( children(childid)%model_comm, & |
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| 151 | children(childid)%model_rank, istat ) |
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| 152 | CALL MPI_COMM_SIZE( children(childid)%model_comm, & |
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| 153 | children(childid)%model_npes, istat ) |
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| 154 | CALL MPI_COMM_REMOTE_SIZE( children(childid)%inter_comm, & |
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| 155 | children(childid)%inter_npes, istat ) |
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| 156 | ! |
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| 157 | !-- Intra communicator is used for MPI_GET |
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| 158 | CALL MPI_INTERCOMM_MERGE( children(childid)%inter_comm, .FALSE., & |
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| 159 | children(childid)%intra_comm, istat ) |
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| 160 | CALL MPI_COMM_RANK( children(childid)%intra_comm, & |
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| 161 | children(childid)%intra_rank, istat ) |
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| 162 | |
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| 163 | ALLOCATE( children(childid)%pes(children(childid)%inter_npes)) |
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| 164 | ! |
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| 165 | !-- Allocate array of TYPE arraydef for all child PEs to store information |
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| 166 | !-- of the transfer array |
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| 167 | DO j = 1, children(childid)%inter_npes |
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| 168 | ALLOCATE( children(childid)%pes(j)%array_list(pmc_max_array) ) |
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| 169 | ENDDO |
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| 170 | |
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| 171 | CALL get_da_names_from_child (childid) |
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| 172 | |
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| 173 | ENDDO |
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| 174 | |
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| 175 | END SUBROUTINE pmc_parentinit |
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| 176 | |
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| 177 | |
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| 178 | |
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| 179 | SUBROUTINE pmc_s_set_2d_index_list( childid, index_list ) |
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| 180 | |
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| 181 | IMPLICIT NONE |
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| 182 | |
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| 183 | INTEGER(iwp), INTENT(IN) :: childid !< |
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| 184 | INTEGER(iwp), DIMENSION(:,:), INTENT(INOUT) :: index_list !< |
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| 185 | |
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| 186 | INTEGER(iwp) :: ian !< |
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| 187 | INTEGER(iwp) :: ie !< |
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| 188 | INTEGER(iwp) :: ip !< |
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| 189 | INTEGER(iwp) :: is !< |
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| 190 | INTEGER(iwp) :: istat !< |
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| 191 | |
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| 192 | |
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| 193 | IF ( m_model_rank == 0 ) THEN |
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| 194 | ! |
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| 195 | !-- Sort to ascending parent process order |
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| 196 | CALL pmc_sort( index_list, 6 ) |
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| 197 | is = 1 |
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| 198 | DO ip = 0, m_model_npes-1 |
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| 199 | ! |
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| 200 | !-- Split into parent processes |
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| 201 | ie = is - 1 |
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| 202 | ! |
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| 203 | !-- There may be no entry for this process |
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| 204 | IF ( is <= SIZE( index_list,2 ) .AND. ie >= 0 ) THEN |
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| 205 | DO WHILE ( index_list(6,ie+1 ) == ip ) |
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| 206 | ie = ie + 1 |
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| 207 | IF ( ie == SIZE( index_list,2 ) ) EXIT |
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| 208 | ENDDO |
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| 209 | ian = ie - is + 1 |
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| 210 | ELSE |
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| 211 | is = -1 |
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| 212 | ie = -2 |
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| 213 | ian = 0 |
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| 214 | ENDIF |
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| 215 | ! |
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| 216 | !-- Send data to other parent processes |
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| 217 | IF ( ip == 0 ) THEN |
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| 218 | indchildren(childid)%nrpoints = ian |
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| 219 | IF ( ian > 0) THEN |
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| 220 | ALLOCATE( indchildren(childid)%index_list_2d(6,ian) ) |
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| 221 | indchildren(childid)%index_list_2d(:,1:ian) = & |
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| 222 | index_list(:,is:ie) |
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| 223 | ENDIF |
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| 224 | ELSE |
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| 225 | CALL MPI_SEND( ian, 1, MPI_INTEGER, ip, 1000, m_model_comm, & |
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| 226 | istat ) |
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| 227 | IF ( ian > 0) THEN |
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| 228 | CALL MPI_SEND( index_list(1,is), 6*ian, MPI_INTEGER, ip, & |
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| 229 | 1001, m_model_comm, istat ) |
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| 230 | ENDIF |
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| 231 | ENDIF |
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| 232 | is = ie + 1 |
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| 233 | ENDDO |
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| 234 | ELSE |
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| 235 | CALL MPI_RECV( indchildren(childid)%nrpoints, 1, MPI_INTEGER, 0, 1000, & |
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| 236 | m_model_comm, MPI_STATUS_IGNORE, istat ) |
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| 237 | ian = indchildren(childid)%nrpoints |
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| 238 | IF ( ian > 0 ) THEN |
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| 239 | ALLOCATE( indchildren(childid)%index_list_2d(6,ian) ) |
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| 240 | CALL MPI_RECV( indchildren(childid)%index_list_2d, 6*ian, & |
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| 241 | MPI_INTEGER, 0, 1001, m_model_comm, & |
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| 242 | MPI_STATUS_IGNORE, istat) |
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| 243 | ENDIF |
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| 244 | ENDIF |
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| 245 | CALL set_pe_index_list( children(childid), & |
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| 246 | indchildren(childid)%index_list_2d, & |
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| 247 | indchildren(childid)%nrpoints ) |
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| 248 | |
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| 249 | END SUBROUTINE pmc_s_set_2d_index_list |
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| 250 | |
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| 251 | |
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| 252 | |
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| 253 | SUBROUTINE pmc_s_clear_next_array_list |
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| 254 | |
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| 255 | IMPLICIT NONE |
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| 256 | |
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| 257 | next_array_in_list = 0 |
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| 258 | |
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| 259 | END SUBROUTINE pmc_s_clear_next_array_list |
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| 260 | |
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| 261 | |
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| 262 | |
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| 263 | LOGICAL FUNCTION pmc_s_getnextarray( childid, myname ) |
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| 264 | |
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| 265 | ! |
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| 266 | !-- Althoug there are no linked lists any more in PMC, this call still looks like working with a list |
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| 267 | |
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| 268 | CHARACTER(LEN=*), INTENT(OUT) :: myname !< |
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| 269 | INTEGER(iwp), INTENT(IN) :: childid !< |
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| 270 | |
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| 271 | TYPE(arraydef), POINTER :: ar |
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| 272 | TYPE(pedef), POINTER :: ape |
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| 273 | |
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| 274 | next_array_in_list = next_array_in_list + 1 |
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| 275 | ! |
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| 276 | !-- Array names are the same on all children processes, so take first |
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| 277 | !-- process to get the name |
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| 278 | ape => children(childid)%pes(1) |
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| 279 | |
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| 280 | IF ( next_array_in_list > ape%nr_arrays ) THEN |
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| 281 | ! |
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| 282 | !-- All arrays are done |
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| 283 | pmc_s_getnextarray = .FALSE. |
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| 284 | RETURN |
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| 285 | ENDIF |
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| 286 | |
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| 287 | ar => ape%array_list(next_array_in_list) |
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| 288 | myname = ar%name |
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| 289 | ! |
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| 290 | !-- Return true if there is still an array in the list |
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| 291 | |
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| 292 | pmc_s_getnextarray = .TRUE. |
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| 293 | |
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| 294 | END FUNCTION pmc_s_getnextarray |
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| 295 | |
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| 296 | |
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| 297 | |
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| 298 | SUBROUTINE pmc_s_set_dataarray_2d( childid, array, array_2 ) |
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| 299 | |
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| 300 | IMPLICIT NONE |
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| 301 | |
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| 302 | INTEGER(iwp), INTENT(IN) :: childid !< |
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| 303 | |
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| 304 | REAL(wp), INTENT(IN), DIMENSION(:,:), POINTER :: array !< |
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| 305 | REAL(wp), INTENT(IN), DIMENSION(:,:), POINTER, OPTIONAL :: array_2 !< |
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| 306 | |
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| 307 | INTEGER(iwp) :: nrdims !< |
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| 308 | INTEGER(iwp), DIMENSION(4) :: dims !< |
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| 309 | TYPE(C_PTR) :: array_adr !< |
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| 310 | TYPE(C_PTR) :: second_adr !< |
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| 311 | |
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| 312 | |
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| 313 | dims = 1 |
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| 314 | nrdims = 2 |
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| 315 | dims(1) = SIZE( array,1 ) |
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| 316 | dims(2) = SIZE( array,2 ) |
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| 317 | array_adr = C_LOC( array ) |
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| 318 | |
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| 319 | IF ( PRESENT( array_2 ) ) THEN |
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| 320 | second_adr = C_LOC(array_2) |
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| 321 | CALL pmc_s_setarray( childid, nrdims, dims, array_adr, & |
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| 322 | second_adr = second_adr) |
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| 323 | ELSE |
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| 324 | CALL pmc_s_setarray( childid, nrdims, dims, array_adr ) |
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| 325 | ENDIF |
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| 326 | |
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| 327 | END SUBROUTINE pmc_s_set_dataarray_2d |
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| 328 | |
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| 329 | SUBROUTINE pmc_s_set_dataarray_ip2d( childid, array ) |
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| 330 | |
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| 331 | IMPLICIT NONE |
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| 332 | |
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| 333 | INTEGER(iwp),INTENT(IN) :: childid !< |
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| 334 | |
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| 335 | INTEGER(idp), INTENT(IN), DIMENSION(:,:), POINTER :: array !< |
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| 336 | |
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| 337 | INTEGER(iwp) :: nrdims !< |
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| 338 | INTEGER(iwp), DIMENSION(4) :: dims !< |
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| 339 | TYPE(C_PTR) :: array_adr !< |
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| 340 | |
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| 341 | |
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| 342 | dims = 1 |
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| 343 | nrdims = 2 |
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| 344 | dims(1) = SIZE( array,1 ) |
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| 345 | dims(2) = SIZE( array,2 ) |
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| 346 | array_adr = C_LOC( array ) |
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| 347 | |
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| 348 | CALL pmc_s_setarray( childid, nrdims, dims, array_adr , dimkey=22) |
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| 349 | |
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| 350 | END SUBROUTINE pmc_s_set_dataarray_ip2d |
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| 351 | |
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| 352 | |
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| 353 | SUBROUTINE pmc_s_set_dataarray_3d( childid, array, nz_cl, nz, array_2 ) |
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| 354 | |
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| 355 | IMPLICIT NONE |
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| 356 | |
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| 357 | INTEGER(iwp), INTENT(IN) :: childid !< |
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| 358 | INTEGER(iwp), INTENT(IN) :: nz !< |
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| 359 | INTEGER(iwp), INTENT(IN) :: nz_cl !< |
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| 360 | |
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| 361 | REAL(wp), INTENT(IN), DIMENSION(:,:,:), POINTER :: array !< |
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| 362 | REAL(wp), INTENT(IN), DIMENSION(:,:,:), POINTER, OPTIONAL :: array_2 !< |
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| 363 | |
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| 364 | INTEGER(iwp) :: nrdims !< |
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| 365 | INTEGER(iwp), DIMENSION(4) :: dims !< |
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| 366 | TYPE(C_PTR) :: array_adr !< |
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| 367 | TYPE(C_PTR) :: second_adr !< |
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| 368 | |
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| 369 | nrdims = 3 |
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| 370 | dims(1) = SIZE( array,1 ) |
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| 371 | dims(2) = SIZE( array,2 ) |
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| 372 | dims(3) = SIZE( array,3 ) |
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| 373 | dims(4) = nz_cl+dims(1)-nz ! works for first dimension 1:nz and 0:nz+1 |
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| 374 | |
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| 375 | array_adr = C_LOC(array) |
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| 376 | ! |
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| 377 | !-- In PALM's pointer version, two indices have to be stored internally. |
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| 378 | !-- The active address of the data array is set in swap_timelevel. |
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| 379 | IF ( PRESENT( array_2 ) ) THEN |
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| 380 | second_adr = C_LOC( array_2 ) |
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| 381 | CALL pmc_s_setarray( childid, nrdims, dims, array_adr, & |
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| 382 | second_adr = second_adr) |
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| 383 | ELSE |
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| 384 | CALL pmc_s_setarray( childid, nrdims, dims, array_adr ) |
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| 385 | ENDIF |
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| 386 | |
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| 387 | END SUBROUTINE pmc_s_set_dataarray_3d |
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| 388 | |
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| 389 | |
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| 390 | |
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| 391 | SUBROUTINE pmc_s_setind_and_allocmem( childid ) |
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| 392 | |
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| 393 | USE control_parameters, & |
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| 394 | ONLY: message_string |
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| 395 | |
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| 396 | IMPLICIT NONE |
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| 397 | |
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| 398 | ! |
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| 399 | !-- Naming convention for appendices: _pc -> parent to child transfer |
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| 400 | !-- _cp -> child to parent transfer |
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| 401 | !-- send -> parent to child transfer |
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| 402 | !-- recv -> child to parent transfer |
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| 403 | INTEGER(iwp), INTENT(IN) :: childid !< |
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| 404 | |
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| 405 | INTEGER(iwp) :: arlen !< |
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| 406 | INTEGER(iwp) :: i !< |
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| 407 | INTEGER(iwp) :: ierr !< |
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| 408 | INTEGER(iwp) :: j !< |
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| 409 | INTEGER(iwp) :: lo_nr_arrays !< store number of arrays in local variiab le |
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| 410 | INTEGER(iwp) :: myindex !< |
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| 411 | INTEGER(iwp) :: total_npes !< Total Number of PEs Parent and Child |
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| 412 | |
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| 413 | INTEGER(idp) :: bufsize !< size of MPI data window |
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| 414 | INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !< |
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| 415 | |
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| 416 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: myindex_s |
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| 417 | INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: myindex_r |
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| 418 | |
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| 419 | TYPE(C_PTR) :: base_ptr !< |
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| 420 | TYPE(pedef), POINTER :: ape !< |
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| 421 | TYPE(arraydef), POINTER :: ar !< |
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| 422 | |
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| 423 | REAL(wp),DIMENSION(:), POINTER, SAVE :: base_array_pc !< base array for parent to child transfer |
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| 424 | REAL(wp),DIMENSION(:), POINTER, SAVE :: base_array_cp !< base array for child to parent transfer |
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| 425 | |
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| 426 | call MPI_COMM_SIZE (children(childid)%intra_comm, total_npes, ierr) |
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| 427 | ! |
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| 428 | !-- Parent to child direction |
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| 429 | myindex = 1 |
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| 430 | bufsize = 8 |
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| 431 | ! |
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| 432 | !-- All Child processes get the same number of arrays |
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| 433 | !-- Therfore the number of arrays form the first Child process can be used for Dimension. |
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| 434 | lo_nr_arrays = children(childid)%pes(1)%nr_arrays |
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| 435 | |
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| 436 | ALLOCATE( myindex_s(lo_nr_arrays,0:total_npes-1) ) |
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| 437 | ALLOCATE( myindex_r(lo_nr_arrays,0:total_npes-1) ) |
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| 438 | |
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| 439 | myindex_s = 0 |
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| 440 | |
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| 441 | ! |
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| 442 | !-- First stride: compute size and set index |
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| 443 | DO i = 1, children(childid)%inter_npes |
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| 444 | |
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| 445 | ape => children(childid)%pes(i) |
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| 446 | |
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| 447 | DO j = 1, ape%nr_arrays |
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| 448 | |
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| 449 | ar => ape%array_list(j) |
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| 450 | IF ( ar%nrdims == 2 ) THEN |
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| 451 | arlen = ape%nrele |
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| 452 | ELSEIF ( ar%nrdims == 3 ) THEN |
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| 453 | arlen = ape%nrele * ar%a_dim(4) |
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| 454 | ELSE |
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| 455 | arlen = -1 |
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| 456 | ENDIF |
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| 457 | ar%sendindex = myindex |
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| 458 | ! |
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| 459 | ! Using intra communicator for MPU_Alltoall, the numbers of the child processes are after the paremt ones |
---|
| 460 | |
---|
| 461 | myindex_s(j,i-1+children(childid)%model_npes) = myindex |
---|
| 462 | |
---|
| 463 | myindex = myindex + arlen |
---|
| 464 | bufsize = bufsize + arlen |
---|
| 465 | ar%sendsize = arlen |
---|
| 466 | ENDDO |
---|
| 467 | |
---|
| 468 | ENDDO |
---|
| 469 | ! |
---|
| 470 | !-- Using MPI_Alltoall to send indices from Parent to Child |
---|
| 471 | !-- The data comming back from the child processes are ignored. |
---|
| 472 | |
---|
| 473 | CALL MPI_ALLTOALL( myindex_s, lo_nr_arrays, MPI_INTEGER, & |
---|
| 474 | myindex_r, lo_nr_arrays, MPI_INTEGER, & |
---|
| 475 | children(childid)%intra_comm, ierr ) |
---|
| 476 | |
---|
| 477 | ! |
---|
| 478 | !-- Using MPI_Alltoall to receive indices from Child |
---|
| 479 | myindex_s = 0 |
---|
| 480 | myindex_r = 0 |
---|
| 481 | |
---|
| 482 | CALL MPI_ALLTOALL( myindex_s, lo_nr_arrays, MPI_INTEGER, & |
---|
| 483 | myindex_r, lo_nr_arrays, MPI_INTEGER, & |
---|
| 484 | children(childid)%intra_comm, ierr ) |
---|
| 485 | ! |
---|
| 486 | !-- Create RMA (One Sided Communication) window for data buffer parent to |
---|
| 487 | !-- child transfer. |
---|
| 488 | !-- The buffer of MPI_GET (counterpart of transfer) can be PE-local, i.e. |
---|
| 489 | !-- it can but must not be part of the MPI RMA window. Only one RMA window is |
---|
| 490 | !-- required to prepare the data for |
---|
| 491 | !-- parent -> child transfer on the parent side |
---|
| 492 | !-- and for |
---|
| 493 | !-- child -> parent transfer on the child side |
---|
| 494 | CALL pmc_alloc_mem( base_array_pc, bufsize ) |
---|
| 495 | children(childid)%totalbuffersize = bufsize * wp |
---|
| 496 | |
---|
| 497 | winsize = bufsize * wp |
---|
| 498 | CALL MPI_WIN_CREATE( base_array_pc, winsize, wp, MPI_INFO_NULL, & |
---|
| 499 | children(childid)%intra_comm, & |
---|
| 500 | children(childid)%win_parent_child, ierr ) |
---|
| 501 | ! |
---|
| 502 | !-- Open window to set data |
---|
| 503 | CALL MPI_WIN_FENCE( 0, children(childid)%win_parent_child, ierr ) |
---|
| 504 | ! |
---|
| 505 | !-- Second stride: set buffer pointer |
---|
| 506 | DO i = 1, children(childid)%inter_npes |
---|
| 507 | |
---|
| 508 | ape => children(childid)%pes(i) |
---|
| 509 | |
---|
| 510 | DO j = 1, ape%nr_arrays |
---|
| 511 | |
---|
| 512 | ar => ape%array_list(j) |
---|
| 513 | ar%sendbuf = C_LOC( base_array_pc(ar%sendindex) ) |
---|
| 514 | |
---|
| 515 | IF ( ar%sendindex + ar%sendsize > bufsize ) THEN |
---|
| 516 | WRITE( message_string, '(a,i4,4i7,1x,a)' ) & |
---|
| 517 | 'parent buffer too small ',i, & |
---|
| 518 | ar%sendindex,ar%sendsize,ar%sendindex+ar%sendsize, & |
---|
| 519 | bufsize,trim(ar%name) |
---|
| 520 | CALL message( 'pmc_s_setind_and_allocmem', 'PA0429', 3, 2, 0, 6, 0 ) |
---|
| 521 | ENDIF |
---|
| 522 | ENDDO |
---|
| 523 | ENDDO |
---|
| 524 | ! |
---|
| 525 | !-- Child to parent direction |
---|
| 526 | bufsize = 8 |
---|
| 527 | ! |
---|
| 528 | !-- First stride: compute size and set index |
---|
| 529 | DO i = 1, children(childid)%inter_npes |
---|
| 530 | ape => children(childid)%pes(i) |
---|
| 531 | DO j = 1, ape%nr_arrays |
---|
| 532 | ar => ape%array_list(j) |
---|
| 533 | ! |
---|
| 534 | !-- Receive index from child |
---|
| 535 | IF ( ar%nrdims == 3 ) THEN |
---|
| 536 | bufsize = MAX( bufsize, & |
---|
| 537 | INT( ape%nrele * ar%a_dim(4), MPI_ADDRESS_KIND ) ) |
---|
| 538 | ELSE |
---|
| 539 | bufsize = MAX( bufsize, INT( ape%nrele, MPI_ADDRESS_KIND ) ) |
---|
| 540 | ENDIF |
---|
| 541 | ar%recvindex = myindex_r(j,i-1+children(childid)%model_npes) |
---|
| 542 | ENDDO |
---|
| 543 | ENDDO |
---|
| 544 | |
---|
| 545 | DEALLOCATE( myindex_s ) |
---|
| 546 | DEALLOCATE( myindex_r ) |
---|
| 547 | |
---|
| 548 | ! |
---|
| 549 | !-- Create RMA (one sided communication, RMA = Remote Memory Access) data buffer. |
---|
| 550 | !-- The buffer for MPI_GET can be PE local, i.e. it can but must not be part of |
---|
| 551 | !-- the MPI RMA window |
---|
| 552 | CALL pmc_alloc_mem( base_array_cp, bufsize, base_ptr ) |
---|
| 553 | children(childid)%totalbuffersize = bufsize * wp |
---|
| 554 | |
---|
| 555 | CALL MPI_BARRIER( children(childid)%intra_comm, ierr ) |
---|
| 556 | ! |
---|
| 557 | !-- Second stride: set buffer pointer |
---|
| 558 | DO i = 1, children(childid)%inter_npes |
---|
| 559 | ape => children(childid)%pes(i) |
---|
| 560 | DO j = 1, ape%nr_arrays |
---|
| 561 | ar => ape%array_list(j) |
---|
| 562 | ar%recvbuf = base_ptr |
---|
| 563 | ENDDO |
---|
| 564 | ENDDO |
---|
| 565 | |
---|
| 566 | END SUBROUTINE pmc_s_setind_and_allocmem |
---|
| 567 | |
---|
| 568 | |
---|
| 569 | |
---|
| 570 | SUBROUTINE pmc_s_fillbuffer( childid, waittime, particle_transfer ) |
---|
| 571 | |
---|
| 572 | IMPLICIT NONE |
---|
| 573 | |
---|
| 574 | INTEGER(iwp), INTENT(IN) :: childid !< |
---|
| 575 | |
---|
| 576 | REAL(wp), INTENT(OUT), OPTIONAL :: waittime !< |
---|
| 577 | LOGICAL, INTENT(IN), OPTIONAL :: particle_transfer !< |
---|
| 578 | |
---|
| 579 | |
---|
| 580 | INTEGER(iwp) :: ierr !< |
---|
| 581 | INTEGER(iwp) :: ij !< |
---|
| 582 | INTEGER(iwp) :: ip !< |
---|
| 583 | INTEGER(iwp) :: j !< |
---|
| 584 | INTEGER(iwp) :: myindex !< |
---|
| 585 | |
---|
| 586 | LOGICAL :: lo_ptrans |
---|
| 587 | |
---|
| 588 | INTEGER(iwp), DIMENSION(1) :: buf_shape |
---|
| 589 | |
---|
| 590 | REAL(wp) :: t1 !< |
---|
| 591 | REAL(wp) :: t2 !< |
---|
| 592 | REAL(wp), POINTER, DIMENSION(:) :: buf !< |
---|
| 593 | REAL(wp), POINTER, DIMENSION(:,:) :: data_2d !< |
---|
| 594 | REAL(wp), POINTER, DIMENSION(:,:,:) :: data_3d !< |
---|
| 595 | INTEGER(idp), POINTER, DIMENSION(:) :: ibuf !< |
---|
| 596 | INTEGER(idp), POINTER, DIMENSION(:,:) :: idata_2d !< |
---|
| 597 | |
---|
| 598 | TYPE(pedef), POINTER :: ape !< |
---|
| 599 | TYPE(arraydef), POINTER :: ar !< |
---|
| 600 | |
---|
| 601 | ! |
---|
| 602 | !-- Synchronization of the model is done in pmci_synchronize. |
---|
| 603 | !-- Therefor the RMA window can be filled without |
---|
| 604 | !-- sychronization at this point and a barrier is not necessary. |
---|
| 605 | !-- Please note that waittime has to be set in pmc_s_fillbuffer AND |
---|
| 606 | !-- pmc_c_getbuffer |
---|
| 607 | IF ( PRESENT( waittime) ) THEN |
---|
| 608 | t1 = pmc_time() |
---|
| 609 | CALL MPI_BARRIER( children(childid)%intra_comm, ierr ) |
---|
| 610 | t2 = pmc_time() |
---|
| 611 | waittime = t2- t1 |
---|
| 612 | ENDIF |
---|
| 613 | |
---|
| 614 | lo_ptrans = .FALSE. |
---|
| 615 | IF ( PRESENT( particle_transfer)) lo_ptrans = particle_transfer |
---|
| 616 | |
---|
| 617 | DO ip = 1, children(childid)%inter_npes |
---|
| 618 | ape => children(childid)%pes(ip) |
---|
| 619 | DO j = 1, ape%nr_arrays |
---|
| 620 | ar => ape%array_list(j) |
---|
| 621 | myindex = 1 |
---|
| 622 | |
---|
| 623 | IF ( ar%dimkey == 2 .AND. .NOT.lo_ptrans ) THEN ! PALM 2D REAL*8 Array |
---|
| 624 | |
---|
| 625 | buf_shape(1) = ape%nrele |
---|
| 626 | CALL C_F_POINTER( ar%sendbuf, buf, buf_shape ) |
---|
| 627 | CALL C_F_POINTER( ar%data, data_2d, ar%a_dim(1:2) ) |
---|
| 628 | DO ij = 1, ape%nrele |
---|
| 629 | buf(myindex) = data_2d(ape%locind(ij)%j,ape%locind(ij)%i) |
---|
| 630 | myindex = myindex + 1 |
---|
| 631 | ENDDO |
---|
| 632 | |
---|
| 633 | ELSEIF ( ar%dimkey == 3 .AND. .NOT.lo_ptrans ) THEN ! PALM 3D REAL*8 Array |
---|
| 634 | |
---|
| 635 | buf_shape(1) = ape%nrele*ar%a_dim(4) |
---|
| 636 | CALL C_F_POINTER( ar%sendbuf, buf, buf_shape ) |
---|
| 637 | CALL C_F_POINTER( ar%data, data_3d, ar%a_dim(1:3) ) |
---|
| 638 | DO ij = 1, ape%nrele |
---|
| 639 | buf(myindex:myindex+ar%a_dim(4)-1) = & |
---|
| 640 | data_3d(1:ar%a_dim(4),ape%locind(ij)%j,ape%locind(ij)%i) |
---|
| 641 | myindex = myindex + ar%a_dim(4) |
---|
| 642 | ENDDO |
---|
| 643 | ELSEIF ( ar%dimkey == 22 .AND. lo_ptrans ) THEN ! 2D INTEGER*8 Array for particle Transfer |
---|
| 644 | |
---|
| 645 | buf_shape(1) = ape%nrele |
---|
| 646 | CALL C_F_POINTER( ar%sendbuf, ibuf, buf_shape ) |
---|
| 647 | CALL C_F_POINTER( ar%data, idata_2d, ar%a_dim(1:2) ) |
---|
| 648 | DO ij = 1, ape%nrele |
---|
| 649 | ibuf(myindex) = idata_2d(ape%locind(ij)%j,ape%locind(ij)%i) |
---|
| 650 | myindex = myindex + 1 |
---|
| 651 | ENDDO |
---|
| 652 | ENDIF |
---|
| 653 | ENDDO |
---|
| 654 | ENDDO |
---|
| 655 | ! |
---|
| 656 | !-- Buffer is filled |
---|
| 657 | CALL MPI_BARRIER( children(childid)%intra_comm, ierr ) |
---|
| 658 | |
---|
| 659 | END SUBROUTINE pmc_s_fillbuffer |
---|
| 660 | |
---|
| 661 | |
---|
| 662 | |
---|
| 663 | SUBROUTINE pmc_s_getdata_from_buffer( childid, waittime , particle_transfer, child_process_nr ) |
---|
| 664 | |
---|
| 665 | IMPLICIT NONE |
---|
| 666 | |
---|
| 667 | INTEGER(iwp), INTENT(IN) :: childid !< |
---|
| 668 | REAL(wp), INTENT(OUT), OPTIONAL :: waittime !< |
---|
| 669 | LOGICAL, INTENT(IN), OPTIONAL :: particle_transfer !< |
---|
| 670 | INTEGER(iwp), INTENT(IN), OPTIONAL :: child_process_nr !< |
---|
| 671 | |
---|
| 672 | INTEGER(iwp) :: ierr !< |
---|
| 673 | INTEGER(iwp) :: ij !< |
---|
| 674 | INTEGER(iwp) :: ip !< |
---|
| 675 | INTEGER(iwp) :: ip_start !< |
---|
| 676 | INTEGER(iwp) :: ip_end !< |
---|
| 677 | INTEGER(iwp) :: j !< |
---|
| 678 | INTEGER(iwp) :: myindex !< |
---|
| 679 | INTEGER(iwp) :: nr !< |
---|
| 680 | INTEGER(iwp) :: target_pe !< |
---|
| 681 | INTEGER(KIND=MPI_ADDRESS_KIND) :: target_disp !< |
---|
| 682 | |
---|
| 683 | LOGICAL :: lo_ptrans |
---|
| 684 | |
---|
| 685 | INTEGER(iwp), DIMENSION(1) :: buf_shape !< |
---|
| 686 | |
---|
| 687 | REAL(wp) :: t1 !< |
---|
| 688 | REAL(wp) :: t2 !< |
---|
| 689 | REAL(wp), POINTER, DIMENSION(:) :: buf !< |
---|
| 690 | REAL(wp), POINTER, DIMENSION(:,:) :: data_2d !< |
---|
| 691 | REAL(wp), POINTER, DIMENSION(:,:,:) :: data_3d !< |
---|
| 692 | INTEGER(idp), POINTER, DIMENSION(:) :: ibuf !< |
---|
| 693 | INTEGER(idp), POINTER, DIMENSION(:,:) :: idata_2d !< |
---|
| 694 | |
---|
| 695 | TYPE(pedef), POINTER :: ape !< |
---|
| 696 | TYPE(arraydef), POINTER :: ar !< |
---|
| 697 | |
---|
| 698 | |
---|
| 699 | t1 = pmc_time() |
---|
| 700 | |
---|
| 701 | IF(PRESENT(child_process_nr)) then |
---|
| 702 | ip_start = child_process_nr |
---|
| 703 | ip_end = child_process_nr |
---|
| 704 | ELSE |
---|
| 705 | ip_start = 1 |
---|
| 706 | ip_end = children(childid)%inter_npes |
---|
| 707 | END IF |
---|
| 708 | |
---|
| 709 | lo_ptrans = .FALSE. |
---|
| 710 | IF ( PRESENT( particle_transfer)) lo_ptrans = particle_transfer |
---|
| 711 | |
---|
| 712 | IF(ip_start == 1) THEN |
---|
| 713 | ! |
---|
| 714 | !-- Wait for child to fill buffer |
---|
| 715 | CALL MPI_BARRIER( children(childid)%intra_comm, ierr ) |
---|
| 716 | t2 = pmc_time() - t1 |
---|
| 717 | IF ( PRESENT( waittime ) ) waittime = t2 |
---|
| 718 | |
---|
| 719 | CALL MPI_BARRIER( children(childid)%intra_comm, ierr ) |
---|
| 720 | ENDIF |
---|
| 721 | |
---|
| 722 | DO ip = ip_start,ip_end |
---|
| 723 | ape => children(childid)%pes(ip) |
---|
| 724 | DO j = 1, ape%nr_arrays |
---|
| 725 | ar => ape%array_list(j) |
---|
| 726 | |
---|
| 727 | IF ( ar%recvindex < 0 ) CYCLE |
---|
| 728 | |
---|
| 729 | IF ( ar%dimkey == 2 .AND. .NOT.lo_ptrans ) THEN |
---|
| 730 | nr = ape%nrele |
---|
| 731 | ELSEIF ( ar%dimkey == 3 .AND. .NOT.lo_ptrans ) THEN |
---|
| 732 | nr = ape%nrele * ar%a_dim(4) |
---|
| 733 | ELSE IF ( ar%dimkey == 22 .AND. lo_ptrans) THEN |
---|
| 734 | nr = ape%nrele |
---|
| 735 | ELSE |
---|
| 736 | CYCLE !particle array are not transfered here |
---|
| 737 | ENDIF |
---|
| 738 | buf_shape(1) = nr |
---|
| 739 | IF(lo_ptrans) THEN |
---|
| 740 | CALL C_F_POINTER( ar%recvbuf, ibuf, buf_shape ) |
---|
| 741 | ELSE |
---|
| 742 | CALL C_F_POINTER( ar%recvbuf, buf, buf_shape ) |
---|
| 743 | ENDIF |
---|
| 744 | |
---|
| 745 | ! |
---|
| 746 | !-- MPI passive target RMA |
---|
| 747 | IF ( nr > 0 ) THEN |
---|
| 748 | target_disp = ar%recvindex - 1 |
---|
| 749 | ! |
---|
| 750 | !-- Child processes are located behind parent process |
---|
| 751 | target_pe = ip - 1 + m_model_npes |
---|
| 752 | CALL MPI_WIN_LOCK( MPI_LOCK_SHARED, target_pe, 0, & |
---|
| 753 | children(childid)%win_parent_child, ierr ) |
---|
| 754 | IF(lo_ptrans) THEN |
---|
| 755 | CALL MPI_GET( ibuf, nr*8, MPI_BYTE, target_pe, target_disp, nr*8, & !There is no MPI_INTEGER8 datatype |
---|
| 756 | MPI_BYTE, children(childid)%win_parent_child, ierr ) |
---|
| 757 | ELSE |
---|
| 758 | CALL MPI_GET( buf, nr, MPI_REAL, target_pe, target_disp, nr, & |
---|
| 759 | MPI_REAL, children(childid)%win_parent_child, ierr ) |
---|
| 760 | ENDIF |
---|
| 761 | CALL MPI_WIN_UNLOCK( target_pe, & |
---|
| 762 | children(childid)%win_parent_child, ierr ) |
---|
| 763 | ENDIF |
---|
| 764 | myindex = 1 |
---|
| 765 | IF ( ar%dimkey == 2 .AND. .NOT.lo_ptrans ) THEN |
---|
| 766 | |
---|
| 767 | CALL C_F_POINTER( ar%data, data_2d, ar%a_dim(1:2) ) |
---|
| 768 | DO ij = 1, ape%nrele |
---|
| 769 | data_2d(ape%locind(ij)%j,ape%locind(ij)%i) = buf(myindex) |
---|
| 770 | myindex = myindex + 1 |
---|
| 771 | ENDDO |
---|
| 772 | |
---|
| 773 | ELSEIF ( ar%dimkey == 3 .AND. .NOT.lo_ptrans ) THEN |
---|
| 774 | |
---|
| 775 | CALL C_F_POINTER( ar%data, data_3d, ar%a_dim(1:3)) |
---|
| 776 | DO ij = 1, ape%nrele |
---|
| 777 | data_3d(1:ar%a_dim(4),ape%locind(ij)%j,ape%locind(ij)%i) = & |
---|
| 778 | buf(myindex:myindex+ar%a_dim(4)-1) |
---|
| 779 | myindex = myindex + ar%a_dim(4) |
---|
| 780 | ENDDO |
---|
| 781 | |
---|
| 782 | ELSE IF ( ar%dimkey == 22 .AND. lo_ptrans) THEN |
---|
| 783 | |
---|
| 784 | CALL C_F_POINTER( ar%data, idata_2d, ar%a_dim(1:2) ) |
---|
| 785 | DO ij = 1, ape%nrele |
---|
| 786 | idata_2d(ape%locind(ij)%j,ape%locind(ij)%i) = ibuf(myindex) |
---|
| 787 | myindex = myindex + 1 |
---|
| 788 | ENDDO |
---|
| 789 | |
---|
| 790 | ENDIF |
---|
| 791 | ENDDO |
---|
| 792 | ENDDO |
---|
| 793 | |
---|
| 794 | END SUBROUTINE pmc_s_getdata_from_buffer |
---|
| 795 | |
---|
| 796 | |
---|
| 797 | |
---|
| 798 | SUBROUTINE get_da_names_from_child( childid ) |
---|
| 799 | |
---|
| 800 | ! |
---|
| 801 | !-- Get data array description and name from child |
---|
| 802 | IMPLICIT NONE |
---|
| 803 | |
---|
| 804 | INTEGER(iwp), INTENT(IN) :: childid !< |
---|
| 805 | |
---|
| 806 | TYPE(da_namedef) :: myname !< |
---|
| 807 | |
---|
| 808 | DO |
---|
| 809 | CALL pmc_bcast( myname%couple_index, 0, comm=m_to_child_comm(childid) ) |
---|
| 810 | |
---|
| 811 | IF ( myname%couple_index == -1 ) EXIT |
---|
| 812 | |
---|
| 813 | CALL pmc_bcast( myname%parentdesc, 0, comm=m_to_child_comm(childid) ) |
---|
| 814 | CALL pmc_bcast( myname%nameonparent, 0, comm=m_to_child_comm(childid) ) |
---|
| 815 | CALL pmc_bcast( myname%childdesc, 0, comm=m_to_child_comm(childid) ) |
---|
| 816 | CALL pmc_bcast( myname%nameonchild, 0, comm=m_to_child_comm(childid) ) |
---|
| 817 | |
---|
| 818 | CALL pmc_g_setname( children(childid), myname%couple_index, & |
---|
| 819 | myname%nameonparent ) |
---|
| 820 | ENDDO |
---|
| 821 | |
---|
| 822 | END SUBROUTINE get_da_names_from_child |
---|
| 823 | |
---|
| 824 | |
---|
| 825 | |
---|
| 826 | SUBROUTINE pmc_s_setarray(childid, nrdims, dims, array_adr, second_adr, dimkey ) |
---|
| 827 | |
---|
| 828 | ! |
---|
| 829 | !-- Set array for child inter process 0 |
---|
| 830 | IMPLICIT NONE |
---|
| 831 | |
---|
| 832 | INTEGER(iwp), INTENT(IN) :: childid !< |
---|
| 833 | INTEGER(iwp), INTENT(IN) :: nrdims !< |
---|
| 834 | INTEGER(iwp), INTENT(IN), DIMENSION(:) :: dims !< |
---|
| 835 | |
---|
| 836 | TYPE(C_PTR), INTENT(IN) :: array_adr !< |
---|
| 837 | TYPE(C_PTR), INTENT(IN), OPTIONAL :: second_adr !< |
---|
| 838 | INTEGER(iwp), INTENT(IN), OPTIONAL :: dimkey !< |
---|
| 839 | |
---|
| 840 | INTEGER(iwp) :: i !< local counter |
---|
| 841 | |
---|
| 842 | TYPE(pedef), POINTER :: ape !< |
---|
| 843 | TYPE(arraydef), POINTER :: ar !< |
---|
| 844 | |
---|
| 845 | |
---|
| 846 | DO i = 1, children(childid)%inter_npes |
---|
| 847 | ape => children(childid)%pes(i) |
---|
| 848 | ar => ape%array_list(next_array_in_list) |
---|
| 849 | ar%nrdims = nrdims |
---|
| 850 | ar%dimkey = nrdims |
---|
| 851 | IF(PRESENT(dimkey)) ar%dimkey = dimkey |
---|
| 852 | ar%a_dim = dims |
---|
| 853 | ar%data = array_adr |
---|
| 854 | IF ( PRESENT( second_adr ) ) THEN |
---|
| 855 | ar%po_data(1) = array_adr |
---|
| 856 | ar%po_data(2) = second_adr |
---|
| 857 | ELSE |
---|
| 858 | ar%po_data(1) = C_NULL_PTR |
---|
| 859 | ar%po_data(2) = C_NULL_PTR |
---|
| 860 | ENDIF |
---|
| 861 | ENDDO |
---|
| 862 | |
---|
| 863 | END SUBROUTINE pmc_s_setarray |
---|
| 864 | |
---|
| 865 | |
---|
| 866 | |
---|
| 867 | SUBROUTINE pmc_s_set_active_data_array( childid, iactive ) |
---|
| 868 | |
---|
| 869 | IMPLICIT NONE |
---|
| 870 | |
---|
| 871 | INTEGER(iwp), INTENT(IN) :: childid !< |
---|
| 872 | INTEGER(iwp), INTENT(IN) :: iactive !< |
---|
| 873 | |
---|
| 874 | INTEGER(iwp) :: ip !< |
---|
| 875 | INTEGER(iwp) :: j !< |
---|
| 876 | |
---|
| 877 | TYPE(pedef), POINTER :: ape !< |
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| 878 | TYPE(arraydef), POINTER :: ar !< |
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| 879 | |
---|
| 880 | DO ip = 1, children(childid)%inter_npes |
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| 881 | ape => children(childid)%pes(ip) |
---|
| 882 | DO j = 1, ape%nr_arrays |
---|
| 883 | ar => ape%array_list(j) |
---|
| 884 | if(mod(ar%dimkey,10) == 2) CYCLE !Not for 2D array |
---|
| 885 | IF ( iactive == 1 .OR. iactive == 2 ) THEN |
---|
| 886 | ar%data = ar%po_data(iactive) |
---|
| 887 | ENDIF |
---|
| 888 | ENDDO |
---|
| 889 | ENDDO |
---|
| 890 | |
---|
| 891 | END SUBROUTINE pmc_s_set_active_data_array |
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| 892 | |
---|
| 893 | INTEGER FUNCTION pmc_s_get_child_npes (child_id) |
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| 894 | IMPLICIT NONE |
---|
| 895 | |
---|
| 896 | INTEGER(iwp),INTENT(IN) :: child_id |
---|
| 897 | |
---|
| 898 | pmc_s_get_child_npes = children(child_id)%inter_npes |
---|
| 899 | |
---|
| 900 | RETURN |
---|
| 901 | END FUNCTION pmc_s_get_child_npes |
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| 902 | |
---|
| 903 | |
---|
| 904 | SUBROUTINE set_pe_index_list( mychild, index_list, nrp ) |
---|
| 905 | |
---|
| 906 | IMPLICIT NONE |
---|
| 907 | |
---|
| 908 | INTEGER(iwp), INTENT(IN), DIMENSION(:,:) :: index_list !< |
---|
| 909 | INTEGER(iwp), INTENT(IN) :: nrp !< |
---|
| 910 | |
---|
| 911 | TYPE(childdef), INTENT(INOUT) :: mychild !< |
---|
| 912 | |
---|
| 913 | INTEGER(iwp) :: i !< |
---|
| 914 | INTEGER(iwp) :: ierr !< |
---|
| 915 | INTEGER(iwp) :: ind !< |
---|
| 916 | INTEGER(iwp) :: indwin !< |
---|
| 917 | INTEGER(iwp) :: indwin2 !< |
---|
| 918 | INTEGER(iwp) :: i2 !< |
---|
| 919 | INTEGER(iwp) :: j !< |
---|
| 920 | INTEGER(iwp) :: rempe !< |
---|
| 921 | INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !< |
---|
| 922 | |
---|
| 923 | INTEGER(iwp), DIMENSION(mychild%inter_npes) :: remind !< |
---|
| 924 | |
---|
| 925 | INTEGER(iwp), DIMENSION(:), POINTER :: remindw !< |
---|
| 926 | INTEGER(iwp), DIMENSION(:), POINTER :: rldef !< |
---|
| 927 | |
---|
| 928 | TYPE(pedef), POINTER :: ape !< |
---|
| 929 | |
---|
| 930 | ! |
---|
| 931 | !-- First, count entries for every remote child process |
---|
| 932 | DO i = 1, mychild%inter_npes |
---|
| 933 | ape => mychild%pes(i) |
---|
| 934 | ape%nrele = 0 |
---|
| 935 | ENDDO |
---|
| 936 | ! |
---|
| 937 | !-- Loop over number of coarse grid cells |
---|
| 938 | DO j = 1, nrp |
---|
| 939 | rempe = index_list(5,j) + 1 ! process number on remote process |
---|
| 940 | ape => mychild%pes(rempe) |
---|
| 941 | ape%nrele = ape%nrele + 1 ! Increment number of elements for this child process |
---|
| 942 | ENDDO |
---|
| 943 | |
---|
| 944 | DO i = 1, mychild%inter_npes |
---|
| 945 | ape => mychild%pes(i) |
---|
| 946 | ALLOCATE( ape%locind(ape%nrele) ) |
---|
| 947 | ENDDO |
---|
| 948 | |
---|
| 949 | remind = 0 |
---|
| 950 | ! |
---|
| 951 | !-- Second, create lists |
---|
| 952 | !-- Loop over number of coarse grid cells |
---|
| 953 | DO j = 1, nrp |
---|
| 954 | rempe = index_list(5,j) + 1 |
---|
| 955 | ape => mychild%pes(rempe) |
---|
| 956 | remind(rempe) = remind(rempe)+1 |
---|
| 957 | ind = remind(rempe) |
---|
| 958 | ape%locind(ind)%i = index_list(1,j) |
---|
| 959 | ape%locind(ind)%j = index_list(2,j) |
---|
| 960 | ENDDO |
---|
| 961 | ! |
---|
| 962 | !-- Prepare number of elements for children processes |
---|
| 963 | CALL pmc_alloc_mem( rldef, mychild%inter_npes*2 ) |
---|
| 964 | ! |
---|
| 965 | !-- Number of child processes * size of INTEGER (i just arbitrary INTEGER) |
---|
| 966 | winsize = mychild%inter_npes*STORAGE_SIZE(i)/8*2 |
---|
| 967 | |
---|
| 968 | CALL MPI_WIN_CREATE( rldef, winsize, iwp, MPI_INFO_NULL, & |
---|
| 969 | mychild%intra_comm, indwin, ierr ) |
---|
| 970 | ! |
---|
| 971 | !-- Open window to set data |
---|
| 972 | CALL MPI_WIN_FENCE( 0, indwin, ierr ) |
---|
| 973 | |
---|
| 974 | rldef(1) = 0 ! index on remote process 0 |
---|
| 975 | rldef(2) = remind(1) ! number of elements on remote process 0 |
---|
| 976 | ! |
---|
| 977 | !-- Reserve buffer for index array |
---|
| 978 | DO i = 2, mychild%inter_npes |
---|
| 979 | i2 = (i-1) * 2 + 1 |
---|
| 980 | rldef(i2) = rldef(i2-2) + rldef(i2-1) * 2 ! index on remote process |
---|
| 981 | rldef(i2+1) = remind(i) ! number of elements on remote process |
---|
| 982 | ENDDO |
---|
| 983 | ! |
---|
| 984 | !-- Close window to allow child to access data |
---|
| 985 | CALL MPI_WIN_FENCE( 0, indwin, ierr ) |
---|
| 986 | ! |
---|
| 987 | !-- Child has retrieved data |
---|
| 988 | CALL MPI_WIN_FENCE( 0, indwin, ierr ) |
---|
| 989 | |
---|
| 990 | i2 = 2 * mychild%inter_npes - 1 |
---|
| 991 | winsize = ( rldef(i2) + rldef(i2+1) ) * 2 |
---|
| 992 | ! |
---|
| 993 | !-- Make sure, MPI_ALLOC_MEM works |
---|
| 994 | winsize = MAX( winsize, INT( 1, MPI_ADDRESS_KIND ) ) |
---|
| 995 | |
---|
| 996 | CALL pmc_alloc_mem( remindw, INT( winsize ) ) |
---|
| 997 | |
---|
| 998 | CALL MPI_BARRIER( m_model_comm, ierr ) |
---|
| 999 | CALL MPI_WIN_CREATE( remindw, winsize*STORAGE_SIZE(i)/8, iwp, MPI_INFO_NULL, & |
---|
| 1000 | mychild%intra_comm, indwin2, ierr ) |
---|
| 1001 | ! |
---|
| 1002 | !-- Open window to set data |
---|
| 1003 | CALL MPI_WIN_FENCE( 0, indwin2, ierr ) |
---|
| 1004 | ! |
---|
| 1005 | !-- Create the 2D index list |
---|
| 1006 | DO j = 1, nrp |
---|
| 1007 | rempe = index_list(5,j) + 1 ! process number on remote process |
---|
| 1008 | ape => mychild%pes(rempe) |
---|
| 1009 | i2 = rempe * 2 - 1 |
---|
| 1010 | ind = rldef(i2) + 1 |
---|
| 1011 | remindw(ind) = index_list(3,j) |
---|
| 1012 | remindw(ind+1) = index_list(4,j) |
---|
| 1013 | rldef(i2) = rldef(i2)+2 |
---|
| 1014 | ENDDO |
---|
| 1015 | ! |
---|
| 1016 | !-- All data are set |
---|
| 1017 | CALL MPI_WIN_FENCE( 0, indwin2, ierr ) |
---|
| 1018 | ! |
---|
| 1019 | !-- Don't know why, but this barrier is necessary before windows can be freed |
---|
| 1020 | !-- TODO: find out why this is required |
---|
| 1021 | CALL MPI_BARRIER( mychild%intra_comm, ierr ) |
---|
| 1022 | |
---|
| 1023 | CALL MPI_WIN_FREE( indwin, ierr ) |
---|
| 1024 | CALL MPI_WIN_FREE( indwin2, ierr ) |
---|
| 1025 | |
---|
| 1026 | ! |
---|
| 1027 | !-- TODO: check if the following idea needs to be done |
---|
| 1028 | !-- Sollte funktionieren, Problem mit MPI implementation |
---|
| 1029 | !-- https://www.lrz.de/services/software/parallel/mpi/onesided |
---|
| 1030 | !-- CALL MPI_Free_mem (remindw, ierr) |
---|
| 1031 | |
---|
| 1032 | END SUBROUTINE set_pe_index_list |
---|
| 1033 | |
---|
| 1034 | #endif |
---|
| 1035 | END MODULE pmc_parent |
---|