[1762] | 1 | MODULE pmc_server |
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| 2 | |
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| 3 | !--------------------------------------------------------------------------------! |
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| 4 | ! This file is part of PALM. |
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| 5 | ! |
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| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 8 | ! either version 3 of the License, or (at your option) any later version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2015 Leibniz Universitaet Hannover |
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| 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ------------------ |
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| 22 | ! |
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[1780] | 23 | ! |
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[1762] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: pmc_server.f90 1780 2016-03-03 08:39:40Z raasch $ |
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| 27 | ! |
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[1780] | 28 | ! 1779 2016-03-03 08:01:28Z raasch |
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| 29 | ! kind=dp replaced by wp, |
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| 30 | ! error messages removed or changed to PALM style, dim_order removed |
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| 31 | ! array management changed from linked list to sequential loop |
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| 32 | ! |
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[1767] | 33 | ! 1766 2016-02-29 08:37:15Z raasch |
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| 34 | ! modifications to allow for using PALM's pointer version |
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| 35 | ! +new routine pmc_s_set_active_data_array |
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| 36 | ! |
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[1765] | 37 | ! 1764 2016-02-28 12:45:19Z raasch |
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| 38 | ! cpp-statement added (nesting can only be used in parallel mode) |
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| 39 | ! |
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[1763] | 40 | ! 1762 2016-02-25 12:31:13Z hellstea |
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| 41 | ! Initial revision by K. Ketelsen |
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[1762] | 42 | ! |
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| 43 | ! Description: |
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| 44 | ! ------------ |
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| 45 | ! |
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| 46 | ! Server part of Palm Model Coupler |
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| 47 | !------------------------------------------------------------------------------! |
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| 48 | |
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[1764] | 49 | #if defined( __parallel ) |
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[1762] | 50 | use, intrinsic :: iso_c_binding |
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| 51 | |
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[1764] | 52 | #if defined( __lc ) |
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| 53 | USE MPI |
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| 54 | #else |
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| 55 | INCLUDE "mpif.h" |
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| 56 | #endif |
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| 57 | USE kinds |
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[1762] | 58 | USE PMC_general, ONLY: ClientDef, PMC_MAX_MODELL,PMC_sort, DA_NameDef, DA_Desclen, DA_Namelen, & |
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[1779] | 59 | PMC_G_SetName, PeDef, ArrayDef, PMC_MAX_ARRAY |
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[1762] | 60 | USE PMC_handle_communicator, ONLY: m_model_comm,m_model_rank,m_model_npes, m_to_client_comm, & |
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| 61 | PMC_Server_for_Client, m_world_rank |
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| 62 | USE PMC_MPI_wrapper, ONLY: PMC_Send_to_Client, PMC_Recv_from_Client, PMC_Bcast, PMC_Inter_Bcast, & |
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| 63 | PMC_Alloc_mem, PMC_Time |
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| 64 | |
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| 65 | IMPLICIT none |
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| 66 | PRIVATE |
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| 67 | SAVE |
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| 68 | |
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| 69 | TYPE ClientIndexDef |
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| 70 | INTEGER :: NrPoints |
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| 71 | INTEGER,DIMENSION(:,:),allocatable :: index_list_2d |
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| 72 | END TYPE ClientIndexDef |
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| 73 | |
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| 74 | TYPE(ClientDef),DIMENSION(PMC_MAX_MODELL) :: Clients |
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| 75 | TYPE(ClientIndexDef),DIMENSION(PMC_MAX_MODELL) :: indClients |
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| 76 | |
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[1779] | 77 | INTEGER :: next_array_in_list = 0 |
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| 78 | |
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[1762] | 79 | PUBLIC PMC_Server_for_Client |
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| 80 | |
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| 81 | INTERFACE PMC_ServerInit |
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| 82 | MODULE procedure PMC_ServerInit |
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| 83 | END INTERFACE PMC_ServerInit |
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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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[1779] | 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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[1762] | 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 | END INTERFACE PMC_S_Set_DataArray |
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| 101 | |
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| 102 | INTERFACE PMC_S_setInd_and_AllocMem |
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| 103 | MODULE procedure PMC_S_setInd_and_AllocMem |
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| 104 | END INTERFACE PMC_S_setInd_and_AllocMem |
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| 105 | |
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| 106 | INTERFACE PMC_S_FillBuffer |
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| 107 | MODULE procedure PMC_S_FillBuffer |
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| 108 | END INTERFACE PMC_S_FillBuffer |
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| 109 | |
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| 110 | INTERFACE PMC_S_GetData_from_Buffer |
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| 111 | MODULE procedure PMC_S_GetData_from_Buffer |
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| 112 | END INTERFACE PMC_S_GetData_from_Buffer |
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| 113 | |
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[1766] | 114 | INTERFACE PMC_S_Set_Active_data_array |
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| 115 | MODULE procedure PMC_S_Set_Active_data_array |
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| 116 | END INTERFACE PMC_S_Set_Active_data_array |
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| 117 | |
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[1762] | 118 | ! PUBLIC section |
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| 119 | |
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| 120 | PUBLIC PMC_ServerInit, PMC_S_Set_2D_index_list, PMC_S_GetNextArray, PMC_S_Set_DataArray |
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[1766] | 121 | PUBLIC PMC_S_setInd_and_AllocMem, PMC_S_FillBuffer, PMC_S_GetData_from_Buffer, PMC_S_Set_Active_data_array |
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[1779] | 122 | PUBLIC PMC_S_clear_next_array_list |
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[1762] | 123 | |
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| 124 | CONTAINS |
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| 125 | |
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| 126 | SUBROUTINE PMC_ServerInit |
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| 127 | IMPLICIT none |
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| 128 | INTEGER :: i |
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| 129 | INTEGER :: j |
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| 130 | INTEGER :: ClientId |
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| 131 | INTEGER :: istat |
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| 132 | |
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| 133 | do i=1,size(PMC_Server_for_Client)-1 |
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| 134 | if(m_model_comm == 0) write(0,*) 'PMC_Server: Initialize client Id',PMC_Server_for_Client(i) |
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| 135 | |
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| 136 | ClientId = PMC_Server_for_Client(i) |
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| 137 | |
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| 138 | Clients(ClientId)%model_comm = m_model_comm |
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| 139 | Clients(ClientId)%inter_comm = m_to_client_comm(ClientId) |
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| 140 | |
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| 141 | ! Get rank and size |
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| 142 | CALL MPI_Comm_rank (Clients(ClientId)%model_comm, Clients(ClientId)%model_rank, istat); |
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| 143 | CALL MPI_Comm_size (Clients(ClientId)%model_comm, Clients(ClientId)%model_npes, istat); |
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| 144 | CALL MPI_Comm_remote_size (Clients(ClientId)%inter_comm, Clients(ClientId)%inter_npes, istat); |
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| 145 | |
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| 146 | ! Intra communicater is used for MPI_Get |
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| 147 | CALL MPI_Intercomm_merge (Clients(ClientId)%inter_comm, .false., Clients(ClientId)%intra_comm, istat); |
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| 148 | CALL MPI_Comm_rank (Clients(ClientId)%intra_comm, Clients(ClientId)%intra_rank, istat); |
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| 149 | |
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| 150 | write(9,*) 'ClientId ',i,ClientId,m_world_rank, Clients(ClientId)%inter_npes |
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| 151 | |
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| 152 | ALLOCATE (Clients(ClientId)%PEs(Clients(ClientId)%inter_npes)) |
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[1779] | 153 | ! |
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| 154 | !-- Allocate for all client PEs an array of TYPE ArrayDef to store information of transfer array |
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| 155 | do j=1,Clients(ClientId)%inter_npes |
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| 156 | Allocate(Clients(ClientId)%PEs(j)%array_list(PMC_MAX_ARRAY)) |
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[1762] | 157 | end do |
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| 158 | |
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| 159 | CALL Get_DA_names_from_client (ClientId) |
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| 160 | end do |
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| 161 | |
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| 162 | return |
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| 163 | END SUBROUTINE PMC_ServerInit |
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| 164 | |
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| 165 | SUBROUTINE PMC_S_Set_2D_index_list (ClientId, index_list) |
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| 166 | IMPLICIT none |
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| 167 | INTEGER,INTENT(IN) :: ClientId |
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| 168 | INTEGER,DIMENSION(:,:),INTENT(INOUT) :: index_list !Index list will be modified in sort, therefore INOUT |
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| 169 | |
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| 170 | !-- Local variables |
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| 171 | INTEGER :: ip,is,ie,ian,ic,n |
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| 172 | INTEGER :: istat |
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| 173 | |
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| 174 | if(m_model_rank == 0) then |
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| 175 | CALL PMC_sort (index_list, 6) ! Sort to ascending Server PE |
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| 176 | is = 1 |
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| 177 | |
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| 178 | do ip=0,m_model_npes-1 |
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| 179 | |
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| 180 | ! Split into Server PEs |
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| 181 | ie = is-1 !there may be no entry for this PE |
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| 182 | if(is <= size(index_list,2) .and. ie >= 0) then |
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| 183 | do while ( index_list(6,ie+1) == ip) |
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| 184 | ie = ie+1 |
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| 185 | if( ie == size(index_list,2)) EXIT |
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| 186 | end do |
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| 187 | |
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| 188 | ian = ie-is+1 |
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| 189 | else |
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| 190 | is = -1 |
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| 191 | ie = -2 |
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| 192 | ian = 0 |
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| 193 | end if |
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| 194 | |
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| 195 | ! Send data to other server PEs |
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| 196 | |
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| 197 | if(ip == 0) then |
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| 198 | indClients(ClientId)%NrPoints = ian |
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| 199 | if(ian > 0) then |
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| 200 | ALLOCATE (indClients(ClientId)%index_list_2d(6,ian)) |
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| 201 | indClients(ClientId)%index_list_2d(:,1:ian) = index_list(:,is:ie) |
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| 202 | end if |
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| 203 | else |
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| 204 | CALL MPI_Send (ian, 1, MPI_INTEGER, ip, 1000, m_model_comm, istat) |
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| 205 | if(ian > 0) then |
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| 206 | CALL MPI_Send (index_list(1,is), 6*ian, MPI_INTEGER, ip, 1001, & |
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| 207 | m_model_comm, istat) |
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| 208 | end if |
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| 209 | end if |
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| 210 | is = ie+1 |
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| 211 | end do |
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| 212 | else |
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| 213 | CALL MPI_Recv (indClients(ClientId)%NrPoints, 1, MPI_INTEGER, 0, 1000, m_model_comm, & |
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| 214 | MPI_STATUS_IGNORE, istat) |
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| 215 | ian = indClients(ClientId)%NrPoints |
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| 216 | if(ian > 0) then |
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| 217 | ALLOCATE(indClients(ClientId)%index_list_2d(6,ian)) |
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| 218 | CALL MPI_RECV (indClients(ClientId)%index_list_2d, 6*ian, MPI_INTEGER, 0, 1001, & |
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| 219 | m_model_comm, MPI_STATUS_IGNORE, istat) |
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| 220 | end if |
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| 221 | end if |
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| 222 | |
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| 223 | CALL Set_PE_index_list (ClientId,Clients(ClientId),indClients(ClientId)%index_list_2d,indClients(ClientId)%NrPoints) |
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| 224 | |
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| 225 | return |
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| 226 | END SUBROUTINE PMC_S_Set_2D_index_list |
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| 227 | |
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[1779] | 228 | SUBROUTINE PMC_S_clear_next_array_list |
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| 229 | IMPLICIT none |
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[1762] | 230 | |
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[1779] | 231 | next_array_in_list = 0 |
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[1762] | 232 | |
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[1779] | 233 | return |
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| 234 | END SUBROUTINE PMC_S_clear_next_array_list |
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[1762] | 235 | |
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[1779] | 236 | ! List handling is still required to get minimal interaction with pmc_interface |
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| 237 | logical function PMC_S_GetNextArray (ClientId, myName) |
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| 238 | INTEGER(iwp),INTENT(IN) :: ClientId |
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| 239 | CHARACTER(len=*),INTENT(OUT) :: myName |
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[1762] | 240 | |
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[1779] | 241 | !-- local variables |
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| 242 | TYPE(PeDef),POINTER :: aPE |
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| 243 | TYPE(ArrayDef),POINTER :: ar |
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[1762] | 244 | |
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[1779] | 245 | next_array_in_list = next_array_in_list+1 |
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[1762] | 246 | |
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[1779] | 247 | !-- Array Names are the same on all client PE, so take first PE to get the name |
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| 248 | aPE => Clients(ClientId)%PEs(1) |
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| 249 | |
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| 250 | if(next_array_in_list > aPE%Nr_arrays) then |
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| 251 | PMC_S_GetNextArray = .false. ! all arrays done |
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| 252 | return |
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| 253 | end if |
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| 254 | |
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| 255 | ar => aPE%array_list(next_array_in_list) |
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| 256 | myName = ar%name |
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| 257 | |
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| 258 | PMC_S_GetNextArray = .true. ! Return true if legal array |
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| 259 | return |
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[1762] | 260 | END function PMC_S_GetNextArray |
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| 261 | |
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[1766] | 262 | SUBROUTINE PMC_S_Set_DataArray_2d (ClientId, array, array_2 ) |
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[1779] | 263 | |
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[1762] | 264 | IMPLICIT none |
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[1779] | 265 | |
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[1762] | 266 | INTEGER,INTENT(IN) :: ClientId |
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[1779] | 267 | REAL(wp), INTENT(IN), DIMENSION(:,:) :: array |
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| 268 | REAL(wp), INTENT(IN), DIMENSION(:,:), OPTIONAL :: array_2 |
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| 269 | |
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[1762] | 270 | INTEGER :: NrDims |
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| 271 | INTEGER,DIMENSION (4) :: dims |
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| 272 | TYPE(c_ptr) :: array_adr |
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[1766] | 273 | TYPE(c_ptr) :: second_adr |
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[1762] | 274 | |
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| 275 | dims = 1 |
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| 276 | |
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| 277 | NrDims = 2 |
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| 278 | dims(1) = size(array,1) |
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| 279 | dims(2) = size(array,2) |
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| 280 | array_adr = c_loc(array) |
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| 281 | |
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[1766] | 282 | IF ( PRESENT( array_2 ) ) THEN |
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| 283 | second_adr = c_loc(array_2) |
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[1779] | 284 | CALL PMC_S_SetArray (ClientId, NrDims, dims, array_adr, second_adr = second_adr) |
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[1766] | 285 | ELSE |
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[1779] | 286 | CALL PMC_S_SetArray (ClientId, NrDims, dims, array_adr) |
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[1766] | 287 | ENDIF |
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[1762] | 288 | |
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| 289 | return |
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| 290 | END SUBROUTINE PMC_S_Set_DataArray_2d |
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| 291 | |
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[1766] | 292 | SUBROUTINE PMC_S_Set_DataArray_3d (ClientId, array, nz_cl, nz, array_2 ) |
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[1779] | 293 | |
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[1762] | 294 | IMPLICIT none |
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[1779] | 295 | |
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[1762] | 296 | INTEGER,INTENT(IN) :: ClientId |
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[1779] | 297 | REAL(wp), INTENT(IN), DIMENSION(:,:,:) :: array |
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| 298 | REAL(wp), INTENT(IN), DIMENSION(:,:,:), OPTIONAL :: array_2 |
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[1762] | 299 | INTEGER,INTENT(IN) :: nz_cl |
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| 300 | INTEGER,INTENT(IN) :: nz |
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[1779] | 301 | |
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[1762] | 302 | INTEGER :: NrDims |
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| 303 | INTEGER,DIMENSION (4) :: dims |
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| 304 | TYPE(c_ptr) :: array_adr |
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[1766] | 305 | TYPE(c_ptr) :: second_adr |
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[1762] | 306 | |
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| 307 | dims = 1 |
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| 308 | |
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| 309 | dims = 0 |
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| 310 | NrDims = 3 |
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| 311 | dims(1) = size(array,1) |
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| 312 | dims(2) = size(array,2) |
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| 313 | dims(3) = size(array,3) |
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| 314 | dims(4) = nz_cl+dims(1)-nz ! works for first dimension 1:nz and 0:nz+1 |
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| 315 | |
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| 316 | array_adr = c_loc(array) |
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| 317 | |
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[1766] | 318 | ! |
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| 319 | !-- In PALM's pointer version, two indices have to be stored internally. |
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| 320 | !-- The active address of the data array is set in swap_timelevel |
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| 321 | IF ( PRESENT( array_2 ) ) THEN |
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| 322 | second_adr = c_loc(array_2) |
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[1779] | 323 | CALL PMC_S_SetArray (ClientId, NrDims, dims, array_adr, second_adr = second_adr) |
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[1766] | 324 | ELSE |
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[1779] | 325 | CALL PMC_S_SetArray (ClientId, NrDims, dims, array_adr) |
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[1766] | 326 | ENDIF |
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[1762] | 327 | |
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| 328 | return |
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| 329 | END SUBROUTINE PMC_S_Set_DataArray_3d |
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| 330 | |
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| 331 | SUBROUTINE PMC_S_setInd_and_AllocMem (ClientId) |
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[1779] | 332 | |
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| 333 | USE control_parameters, & |
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| 334 | ONLY: message_string |
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| 335 | |
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[1762] | 336 | IMPLICIT none |
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[1779] | 337 | |
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[1762] | 338 | INTEGER,INTENT(IN) :: ClientId |
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| 339 | |
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[1779] | 340 | INTEGER :: i, istat, ierr, j |
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[1762] | 341 | INTEGER :: arlen, myIndex, tag |
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| 342 | INTEGER :: rCount ! count MPI requests |
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[1764] | 343 | INTEGER(idp) :: bufsize ! Size of MPI data Window |
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[1762] | 344 | TYPE(PeDef),POINTER :: aPE |
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| 345 | TYPE(ArrayDef),POINTER :: ar |
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| 346 | CHARACTER(len=DA_Namelen) :: myName |
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| 347 | INTEGER,DIMENSION(1024) :: req |
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| 348 | Type(c_ptr) :: base_ptr |
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| 349 | REAL(kind=wp),DIMENSION(:),POINTER :: base_array |
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| 350 | INTEGER(KIND=MPI_ADDRESS_KIND) :: WinSize |
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| 351 | |
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| 352 | myIndex = 1 |
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| 353 | rCount = 0 |
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| 354 | bufsize = 8 |
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| 355 | |
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| 356 | ! First stride, Compute size and set index |
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| 357 | |
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| 358 | do i=1,Clients(ClientId)%inter_npes |
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| 359 | aPE => Clients(ClientId)%PEs(i) |
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| 360 | tag = 200 |
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[1779] | 361 | do j=1,aPE%Nr_arrays |
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| 362 | ar => aPE%array_list(j) |
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| 363 | if(ar%NrDims == 2) then |
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[1762] | 364 | arlen = aPE%NrEle; ! 2D |
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[1779] | 365 | else if(ar%NrDims == 3) then |
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[1762] | 366 | arlen = aPE%NrEle * ar%A_dim(4); ! PALM 3D |
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| 367 | else |
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| 368 | arlen = -1 |
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| 369 | end if |
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| 370 | ar%BufIndex = myIndex |
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| 371 | |
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| 372 | tag = tag+1 |
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| 373 | rCount = rCount+1 |
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| 374 | CALL MPI_Isend (myIndex, 1, MPI_INTEGER, i-1, tag, Clients(ClientId)%inter_comm, req(rCount),ierr) |
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| 375 | |
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| 376 | if(rCount == 1024) then ! Maximum of 1024 outstanding requests |
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| 377 | CALL MPI_Waitall (rCount, req, MPI_STATUSES_IGNORE, ierr) |
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| 378 | rCount = 0; |
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| 379 | end if |
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| 380 | |
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| 381 | myIndex = myIndex+arlen |
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| 382 | bufsize = bufsize+arlen |
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| 383 | ar%BufSize = arlen |
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| 384 | |
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| 385 | end do |
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| 386 | if(rCount > 0) then ! Wait for all send completed |
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| 387 | CALL MPI_Waitall (rCount, req, MPI_STATUSES_IGNORE, ierr) |
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| 388 | end if |
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| 389 | end do |
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| 390 | |
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| 391 | ! Create RMA (One Sided Communication) window for data buffer |
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| 392 | |
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| 393 | CALL PMC_Alloc_mem (base_array, bufsize, base_ptr) |
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| 394 | Clients(ClientId)%TotalBufferSize = bufsize*wp !Total buffer size in Byte |
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| 395 | |
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| 396 | WinSize = bufsize*wp |
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| 397 | ! write(9,*) 'PMC_S_SetInd_and_Mem ',m_model_rank,Clients(ClientId)%inter_npes,WinSize,bufsize |
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| 398 | CALL MPI_Win_create (base_array, WinSize, wp, MPI_INFO_NULL, Clients(ClientId)%intra_comm, Clients(ClientId)%BufWin, ierr); |
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| 399 | CALL MPI_Win_fence (0, Clients(ClientId)%BufWin, ierr); ! Open Window to set data |
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| 400 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) |
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| 401 | |
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| 402 | ! Second stride, Set Buffer pointer |
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| 403 | |
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| 404 | do i=1,Clients(ClientId)%inter_npes |
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| 405 | aPE => Clients(ClientId)%PEs(i) |
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[1779] | 406 | do j=1,aPE%Nr_arrays |
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| 407 | ar => aPE%array_list(j) |
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[1764] | 408 | !-- TO_DO: Adressrechnung ueberlegen? |
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[1762] | 409 | ar%SendBuf = c_loc(base_array(ar%BufIndex)) !kk Adressrechnung ueberlegen |
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| 410 | if(ar%BufIndex+ar%BufSize > bufsize) then |
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[1764] | 411 | !-- TO_DO: can this error really happen, and what can be the reason? |
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[1779] | 412 | write(0,'(a,i4,4i7,1x,a)') 'Buffer too small ',i,ar%BufIndex,ar%BufSize,ar%BufIndex+ar%BufSize,bufsize,trim(ar%name) |
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[1762] | 413 | CALL MPI_Abort (MPI_COMM_WORLD, istat, ierr) |
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| 414 | end if |
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| 415 | end do |
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| 416 | end do |
---|
| 417 | |
---|
| 418 | return |
---|
| 419 | END SUBROUTINE PMC_S_setInd_and_AllocMem |
---|
| 420 | |
---|
| 421 | SUBROUTINE PMC_S_FillBuffer (ClientId, WaitTime) |
---|
| 422 | IMPLICIT none |
---|
[1779] | 423 | INTEGER,INTENT(IN) :: ClientId |
---|
| 424 | REAL(wp), INTENT(OUT), OPTIONAL :: WaitTime |
---|
[1762] | 425 | |
---|
[1779] | 426 | INTEGER :: ip,ij,istat,ierr,j |
---|
| 427 | INTEGER :: myIndex |
---|
| 428 | REAL(wp) :: t1,t2 |
---|
| 429 | TYPE(PeDef),POINTER :: aPE |
---|
| 430 | TYPE(ArrayDef),POINTER :: ar |
---|
| 431 | CHARACTER(len=DA_Namelen) :: myName |
---|
| 432 | INTEGER,DIMENSION(1) :: buf_shape |
---|
| 433 | REAL(wp), POINTER, DIMENSION(:) :: buf |
---|
| 434 | REAL(wp), POINTER, DIMENSION(:,:) :: data_2d |
---|
| 435 | REAL(wp), POINTER, DIMENSION(:,:,:) :: data_3d |
---|
[1762] | 436 | |
---|
| 437 | t1 = PMC_Time() |
---|
| 438 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) ! Wait for buffer empty |
---|
| 439 | t2 = PMC_Time() |
---|
| 440 | if(present(WaitTime)) WaitTime = t2-t1 |
---|
| 441 | |
---|
| 442 | do ip=1,Clients(ClientId)%inter_npes |
---|
| 443 | aPE => Clients(ClientId)%PEs(ip) |
---|
[1779] | 444 | do j=1,aPE%Nr_arrays |
---|
| 445 | ar => aPE%array_list(j) |
---|
[1762] | 446 | myIndex=1 |
---|
[1779] | 447 | if(ar%NrDims == 2) then |
---|
[1762] | 448 | buf_shape(1) = aPE%NrEle |
---|
| 449 | CALL c_f_pointer(ar%SendBuf, buf, buf_shape) |
---|
| 450 | CALL c_f_pointer(ar%data, data_2d, ar%A_dim(1:2)) |
---|
| 451 | do ij=1,aPE%NrEle |
---|
| 452 | buf(myIndex) = data_2d(aPE%locInd(ij)%j,aPE%locInd(ij)%i) |
---|
| 453 | myIndex = myIndex+1 |
---|
| 454 | end do |
---|
[1779] | 455 | else if(ar%NrDims == 3) then |
---|
[1762] | 456 | buf_shape(1) = aPE%NrEle*ar%A_dim(4) |
---|
| 457 | CALL c_f_pointer(ar%SendBuf, buf, buf_shape) |
---|
| 458 | CALL c_f_pointer(ar%data, data_3d, ar%A_dim(1:3)) |
---|
| 459 | do ij=1,aPE%NrEle |
---|
| 460 | buf(myIndex:myIndex+ar%A_dim(4)-1) = data_3d(1:ar%A_dim(4),aPE%locInd(ij)%j,aPE%locInd(ij)%i) |
---|
| 461 | myIndex = myIndex+ar%A_dim(4) |
---|
| 462 | end do |
---|
| 463 | end if |
---|
| 464 | end do |
---|
| 465 | end do |
---|
| 466 | |
---|
[1779] | 467 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) ! buffer is full |
---|
[1762] | 468 | |
---|
| 469 | return |
---|
| 470 | END SUBROUTINE PMC_S_FillBuffer |
---|
| 471 | |
---|
| 472 | SUBROUTINE PMC_S_GetData_from_Buffer (ClientId, WaitTime) |
---|
[1779] | 473 | |
---|
[1762] | 474 | IMPLICIT none |
---|
| 475 | |
---|
[1779] | 476 | INTEGER,INTENT(IN) :: ClientId |
---|
| 477 | REAL(wp), INTENT(OUT), OPTIONAL :: WaitTime |
---|
| 478 | |
---|
[1762] | 479 | !-- local variables |
---|
[1779] | 480 | INTEGER :: ip,ij,istat,ierr,j |
---|
| 481 | INTEGER :: myIndex |
---|
| 482 | REAL(wp) :: t1,t2 |
---|
| 483 | TYPE(PeDef),POINTER :: aPE |
---|
| 484 | TYPE(ArrayDef),POINTER :: ar |
---|
| 485 | CHARACTER(len=DA_Namelen) :: myName |
---|
| 486 | INTEGER,DIMENSION(1) :: buf_shape |
---|
| 487 | REAL(wp), POINTER, DIMENSION(:) :: buf |
---|
| 488 | REAL(wp), POINTER, DIMENSION(:,:) :: data_2d |
---|
| 489 | REAL(wp), POINTER, DIMENSION(:,:,:) :: data_3d |
---|
[1762] | 490 | |
---|
| 491 | t1 = PMC_Time() |
---|
| 492 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) ! Wait for MPI_Put from client |
---|
| 493 | t2 = PMC_Time() |
---|
| 494 | if(present(WaitTime)) WaitTime = t2-t1 |
---|
| 495 | |
---|
| 496 | do ip=1,Clients(ClientId)%inter_npes |
---|
| 497 | aPE => Clients(ClientId)%PEs(ip) |
---|
[1779] | 498 | do j=1,aPE%Nr_arrays |
---|
| 499 | ar => aPE%array_list(j) |
---|
[1762] | 500 | myIndex=1 |
---|
[1779] | 501 | if(ar%NrDims == 2) then |
---|
[1762] | 502 | buf_shape(1) = aPE%NrEle |
---|
| 503 | CALL c_f_pointer(ar%SendBuf, buf, buf_shape) |
---|
| 504 | CALL c_f_pointer(ar%data, data_2d, ar%A_dim(1:2)) |
---|
| 505 | do ij=1,aPE%NrEle |
---|
| 506 | data_2d(aPE%locInd(ij)%j,aPE%locInd(ij)%i) = buf(myIndex) |
---|
| 507 | myIndex = myIndex+1 |
---|
| 508 | end do |
---|
[1779] | 509 | else if(ar%NrDims == 3) then |
---|
[1762] | 510 | buf_shape(1) = aPE%NrEle*ar%A_dim(4) |
---|
| 511 | CALL c_f_pointer(ar%SendBuf, buf, buf_shape) |
---|
| 512 | CALL c_f_pointer(ar%data, data_3d, ar%A_dim(1:3)) |
---|
| 513 | do ij=1,aPE%NrEle |
---|
| 514 | data_3d(1:ar%A_dim(4),aPE%locInd(ij)%j,aPE%locInd(ij)%i) = buf(myIndex:myIndex+ar%A_dim(4)-1) |
---|
| 515 | myIndex = myIndex+ar%A_dim(4) |
---|
| 516 | end do |
---|
| 517 | end if |
---|
| 518 | end do |
---|
| 519 | end do |
---|
| 520 | |
---|
| 521 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) ! data copy finished, buffer is free for use agein |
---|
| 522 | |
---|
| 523 | return |
---|
| 524 | END SUBROUTINE PMC_S_GetData_from_Buffer |
---|
| 525 | |
---|
| 526 | ! Private SUBROUTINEs |
---|
| 527 | |
---|
| 528 | SUBROUTINE Get_DA_names_from_client (ClientId) |
---|
| 529 | IMPLICIT none |
---|
| 530 | INTEGER,INTENT(IN) :: ClientId |
---|
| 531 | !-- local variables |
---|
| 532 | type(DA_NameDef) :: myName |
---|
| 533 | |
---|
| 534 | ! Get Data Array Description and Name from Client |
---|
| 535 | |
---|
| 536 | do |
---|
| 537 | CALL PMC_Bcast ( myName%couple_index, 0, comm=m_to_client_comm(ClientId)) |
---|
| 538 | if(myName%couple_index == -1) EXIT |
---|
| 539 | CALL PMC_Bcast ( myName%ServerDesc, 0, comm=m_to_client_comm(ClientId)) |
---|
| 540 | CALL PMC_Bcast ( myName%NameOnServer, 0, comm=m_to_client_comm(ClientId)) |
---|
| 541 | CALL PMC_Bcast ( myName%ClientDesc, 0, comm=m_to_client_comm(ClientId)) |
---|
| 542 | CALL PMC_Bcast ( myName%NameOnClient, 0, comm=m_to_client_comm(ClientId)) |
---|
| 543 | |
---|
| 544 | CALL PMC_G_SetName (clients(ClientID), myName%couple_index, myName%NameOnServer ) |
---|
| 545 | end do |
---|
| 546 | |
---|
| 547 | return |
---|
| 548 | END SUBROUTINE Get_DA_names_from_client |
---|
| 549 | |
---|
[1779] | 550 | SUBROUTINE PMC_S_SetArray (ClientId, NrDims, dims, array_adr, second_adr) |
---|
[1762] | 551 | IMPLICIT none |
---|
| 552 | |
---|
| 553 | INTEGER,INTENT(IN) :: ClientId |
---|
| 554 | INTEGER,INTENT(IN) :: NrDims |
---|
| 555 | INTEGER,INTENT(IN),DIMENSION(:) :: dims |
---|
| 556 | TYPE(c_ptr),INTENT(IN) :: array_adr |
---|
[1766] | 557 | TYPE(c_ptr),INTENT(IN),OPTIONAL :: second_adr |
---|
[1762] | 558 | |
---|
| 559 | INTEGER :: i |
---|
| 560 | TYPE(PeDef),POINTER :: aPE |
---|
| 561 | TYPE(ArrayDef),POINTER :: ar |
---|
| 562 | CHARACTER(len=DA_Namelen) :: myName |
---|
| 563 | |
---|
| 564 | ! Set Array for Client interPE 0 |
---|
| 565 | |
---|
| 566 | do i=1,Clients(ClientId)%inter_npes |
---|
| 567 | aPE => Clients(ClientId)%PEs(i) |
---|
[1779] | 568 | ar => aPE%array_list(next_array_in_list) |
---|
[1762] | 569 | ar%NrDims = NrDims |
---|
| 570 | ar%A_dim = dims |
---|
| 571 | ar%data = array_adr |
---|
[1766] | 572 | if(present(second_adr)) then |
---|
| 573 | ar%po_data(1) = array_adr |
---|
| 574 | ar%po_data(2) = second_adr |
---|
| 575 | else |
---|
| 576 | ar%po_data(1) = C_NULL_PTR |
---|
| 577 | ar%po_data(2) = C_NULL_PTR |
---|
| 578 | end if |
---|
[1762] | 579 | end do |
---|
| 580 | |
---|
| 581 | return |
---|
| 582 | END SUBROUTINE PMC_S_SetArray |
---|
| 583 | |
---|
| 584 | |
---|
[1766] | 585 | SUBROUTINE PMC_S_Set_Active_data_array (ClientId,iactive) |
---|
| 586 | IMPLICIT none |
---|
| 587 | |
---|
| 588 | INTEGER,INTENT(IN) :: ClientId |
---|
| 589 | INTEGER,INTENT(IN) :: iactive |
---|
| 590 | |
---|
| 591 | !-- local variables |
---|
[1779] | 592 | INTEGER :: i, ip, j |
---|
[1766] | 593 | TYPE(PeDef),POINTER :: aPE |
---|
| 594 | TYPE(ArrayDef),POINTER :: ar |
---|
| 595 | CHARACTER(len=DA_Namelen) :: myName |
---|
| 596 | |
---|
| 597 | do ip=1,Clients(ClientId)%inter_npes |
---|
| 598 | aPE => Clients(ClientId)%PEs(ip) |
---|
[1779] | 599 | do j=1,aPE%Nr_arrays |
---|
| 600 | ar => aPE%array_list(j) |
---|
[1766] | 601 | if(iactive == 1 .OR. iactive == 2) then |
---|
| 602 | ar%data = ar%po_data(iactive) |
---|
| 603 | end if |
---|
| 604 | end do |
---|
| 605 | end do |
---|
| 606 | |
---|
| 607 | return |
---|
| 608 | END SUBROUTINE PMC_S_Set_Active_data_array |
---|
| 609 | |
---|
| 610 | |
---|
[1762] | 611 | SUBROUTINE Set_PE_index_list (ClientId, myClient,index_list,NrP) |
---|
| 612 | IMPLICIT none |
---|
| 613 | |
---|
| 614 | INTEGER,INTENT(IN) :: ClientId |
---|
| 615 | TYPE(ClientDef),INTENT(INOUT) :: myClient |
---|
| 616 | INTEGER,INTENT(IN),DIMENSION(:,:) :: index_list |
---|
| 617 | INTEGER,INTENT(IN) :: NrP |
---|
| 618 | |
---|
| 619 | !-- local variables |
---|
| 620 | INTEGER :: i,j,ind,ierr,i2 |
---|
| 621 | TYPE(PeDef),POINTER :: aPE |
---|
| 622 | INTEGER :: RemPE |
---|
| 623 | INTEGER,DIMENSION(myClient%inter_npes) :: RemInd |
---|
| 624 | INTEGER,DIMENSION(:),POINTER :: RemIndw |
---|
| 625 | INTEGER,DIMENSION(:),POINTER :: RLdef |
---|
| 626 | INTEGER(KIND=MPI_ADDRESS_KIND) :: WinSize |
---|
| 627 | INTEGER :: indWin,indWin2 |
---|
| 628 | |
---|
| 629 | ! First, count entries for every remote client PE |
---|
| 630 | |
---|
| 631 | do i=1,myClient%inter_npes |
---|
| 632 | aPE => myClient%PEs(i) |
---|
| 633 | aPE%NrEle = 0 |
---|
| 634 | end do |
---|
| 635 | |
---|
| 636 | do j=1,NrP ! loop over number of cells coarse grid |
---|
| 637 | RemPE = index_list(5,j)+1 ! Pe number remote PE |
---|
| 638 | aPE => myClient%PEs(RemPE) |
---|
| 639 | aPE% NrEle = aPE% NrEle+1 ! Increment Number of elements for this client Pe |
---|
| 640 | end do |
---|
| 641 | |
---|
| 642 | do i=1,myClient%inter_npes |
---|
| 643 | aPE => myClient%PEs(i) |
---|
| 644 | ALLOCATE(aPE%locInd(aPE%NrEle)) |
---|
| 645 | end do |
---|
| 646 | |
---|
| 647 | RemInd = 0 |
---|
| 648 | |
---|
| 649 | ! Second, Create lists |
---|
| 650 | |
---|
| 651 | do j=1,NrP ! loop over number of cells coarse grid |
---|
| 652 | RemPE = index_list(5,j)+1 ! Pe number remote PE |
---|
| 653 | aPE => myClient%PEs(RemPE) |
---|
| 654 | RemInd(RemPE) = RemInd(RemPE)+1 |
---|
| 655 | ind = RemInd(RemPE) |
---|
| 656 | aPE%locInd(ind)%i = index_list(1,j) |
---|
| 657 | aPE%locInd(ind)%j = index_list(2,j) |
---|
| 658 | end do |
---|
| 659 | |
---|
| 660 | ! Prepare Number of Elements for Client PEs |
---|
| 661 | CALL PMC_Alloc_mem (RLdef, myClient%inter_npes*2) |
---|
| 662 | WinSize = myClient%inter_npes*c_sizeof(i)*2 ! Number of Client PEs * size of INTEGER (i just arbitrary INTEGER) |
---|
| 663 | |
---|
| 664 | CALL MPI_Win_create (RLdef, WinSize, iwp, MPI_INFO_NULL, myClient%intra_comm, indWin, ierr); |
---|
| 665 | CALL MPI_Win_fence (0, indWin, ierr); ! Open Window to set data |
---|
| 666 | |
---|
| 667 | RLdef(1) = 0 ! Index on Remote PE 0 |
---|
| 668 | RLdef(2) = RemInd(1) ! Number of Elements on Rem PE 0 |
---|
| 669 | |
---|
| 670 | do i=2,myClient%inter_npes ! Reserve Buffer for index array |
---|
| 671 | i2 = (i-1)*2+1 |
---|
| 672 | RLdef(i2) = RLdef(i2-2) + RLdef(i2-1)*2 ! Index on Remote PE |
---|
| 673 | RLdef(i2+1) = RemInd(i) ! Number of Elements on Remote PE |
---|
| 674 | end do |
---|
| 675 | |
---|
| 676 | CALL MPI_Win_fence (0, indWin, ierr); ! Close Window to allow client to access data |
---|
| 677 | CALL MPI_Win_fence (0, indWin, ierr); ! Client has retrieved data |
---|
| 678 | |
---|
| 679 | i2 = 2*myClient%inter_npes-1 |
---|
| 680 | WinSize = (RLdef(i2)+RLdef(i2+1))*2 |
---|
| 681 | WinSize = max(WinSize,1) ! Make sure, MPI_Alloc_mem works |
---|
| 682 | |
---|
| 683 | CALL PMC_Alloc_mem (RemIndw, int(WinSize)) |
---|
| 684 | |
---|
| 685 | CALL MPI_Barrier (m_model_comm, ierr) |
---|
| 686 | CALL MPI_Win_create (RemIndw, WinSize*c_sizeof(i), iwp, MPI_INFO_NULL, myClient%intra_comm, indWin2, ierr); |
---|
| 687 | |
---|
| 688 | CALL MPI_Win_fence (0, indWin2, ierr); ! Open Window to set data |
---|
| 689 | do j=1,NrP ! this loop creates the 2D index list |
---|
| 690 | RemPE = index_list(5,j)+1 ! Pe number remote PE |
---|
| 691 | aPE => myClient%PEs(RemPE) |
---|
| 692 | i2 = RemPE*2-1 |
---|
| 693 | ind = RLdef(i2)+1 |
---|
| 694 | RemIndw(ind) = index_list(3,j) |
---|
| 695 | RemIndw(ind+1) = index_list(4,j) |
---|
| 696 | RLdef(i2) = RLdef(i2)+2 |
---|
| 697 | end do |
---|
| 698 | CALL MPI_Win_fence (0, indWin2, ierr); !all data set |
---|
| 699 | |
---|
| 700 | CALL MPI_Barrier(myClient%intra_comm, ierr) ! Dont know why, but this barrier is necessary before we can free the windows |
---|
| 701 | |
---|
| 702 | CALL MPI_Win_free(indWin, ierr) |
---|
| 703 | CALL MPI_Win_free(indWin2, ierr) |
---|
| 704 | |
---|
| 705 | ! Sollte funktionieren, Problem mit MPI implementation |
---|
| 706 | ! https://www.lrz.de/services/software/parallel/mpi/onesided |
---|
| 707 | ! CALL MPI_Free_mem (RemIndw, ierr) |
---|
| 708 | |
---|
| 709 | return |
---|
| 710 | END SUBROUTINE Set_PE_index_list |
---|
| 711 | |
---|
[1764] | 712 | #endif |
---|
[1762] | 713 | END MODULE pmc_server |
---|