| 1 | MODULE pmc_server |
|---|
| 2 | |
|---|
| 3 | !--------------------------------------------------------------------------------! |
|---|
| 4 | ! This file is part of PALM. |
|---|
| 5 | ! |
|---|
| 6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
|---|
| 7 | ! of the GNU General Public License as published by the Free Software Foundation, |
|---|
| 8 | ! either version 3 of the License, or (at your option) any later version. |
|---|
| 9 | ! |
|---|
| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
|---|
| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
|---|
| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
|---|
| 13 | ! |
|---|
| 14 | ! You should have received a copy of the GNU General Public License along with |
|---|
| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
|---|
| 16 | ! |
|---|
| 17 | ! Copyright 1997-2016 Leibniz Universitaet Hannover |
|---|
| 18 | !--------------------------------------------------------------------------------! |
|---|
| 19 | ! |
|---|
| 20 | ! Current revisions: |
|---|
| 21 | ! ------------------ |
|---|
| 22 | ! |
|---|
| 23 | ! |
|---|
| 24 | ! Former revisions: |
|---|
| 25 | ! ----------------- |
|---|
| 26 | ! $Id: pmc_server.f90 1834 2016-04-07 14:34:20Z hoffmann $ |
|---|
| 27 | ! |
|---|
| 28 | ! 1833 2016-04-07 14:23:03Z raasch |
|---|
| 29 | ! gfortran requires pointer attributes for some array declarations, |
|---|
| 30 | ! long line wrapped |
|---|
| 31 | ! |
|---|
| 32 | ! 1808 2016-04-05 19:44:00Z raasch |
|---|
| 33 | ! MPI module used by default on all machines |
|---|
| 34 | ! |
|---|
| 35 | ! 1797 2016-03-21 16:50:28Z raasch |
|---|
| 36 | ! introduction of different datatransfer modes |
|---|
| 37 | ! |
|---|
| 38 | ! 1791 2016-03-11 10:41:25Z raasch |
|---|
| 39 | ! Debug write-statements commented out |
|---|
| 40 | ! |
|---|
| 41 | ! 1786 2016-03-08 05:49:27Z raasch |
|---|
| 42 | ! change in client-server data transfer: server now gets data from client |
|---|
| 43 | ! instead that client put's it to the server |
|---|
| 44 | ! |
|---|
| 45 | ! 1779 2016-03-03 08:01:28Z raasch |
|---|
| 46 | ! kind=dp replaced by wp, |
|---|
| 47 | ! error messages removed or changed to PALM style, dim_order removed |
|---|
| 48 | ! array management changed from linked list to sequential loop |
|---|
| 49 | ! |
|---|
| 50 | ! 1766 2016-02-29 08:37:15Z raasch |
|---|
| 51 | ! modifications to allow for using PALM's pointer version |
|---|
| 52 | ! +new routine pmc_s_set_active_data_array |
|---|
| 53 | ! |
|---|
| 54 | ! 1764 2016-02-28 12:45:19Z raasch |
|---|
| 55 | ! cpp-statement added (nesting can only be used in parallel mode) |
|---|
| 56 | ! |
|---|
| 57 | ! 1762 2016-02-25 12:31:13Z hellstea |
|---|
| 58 | ! Initial revision by K. Ketelsen |
|---|
| 59 | ! |
|---|
| 60 | ! Description: |
|---|
| 61 | ! ------------ |
|---|
| 62 | ! |
|---|
| 63 | ! Server part of Palm Model Coupler |
|---|
| 64 | !------------------------------------------------------------------------------! |
|---|
| 65 | |
|---|
| 66 | #if defined( __parallel ) |
|---|
| 67 | use, intrinsic :: iso_c_binding |
|---|
| 68 | |
|---|
| 69 | #if defined( __mpifh ) |
|---|
| 70 | INCLUDE "mpif.h" |
|---|
| 71 | #else |
|---|
| 72 | USE MPI |
|---|
| 73 | #endif |
|---|
| 74 | USE kinds |
|---|
| 75 | USE PMC_general, ONLY: ClientDef, PMC_MAX_MODELL,PMC_sort, DA_NameDef, DA_Desclen, DA_Namelen, & |
|---|
| 76 | PMC_G_SetName, PeDef, ArrayDef, PMC_MAX_ARRAY |
|---|
| 77 | USE PMC_handle_communicator, ONLY: m_model_comm,m_model_rank,m_model_npes, m_to_client_comm, & |
|---|
| 78 | PMC_Server_for_Client, m_world_rank |
|---|
| 79 | USE PMC_MPI_wrapper, ONLY: PMC_Send_to_Client, PMC_Recv_from_Client, PMC_Bcast, PMC_Inter_Bcast, & |
|---|
| 80 | PMC_Alloc_mem, PMC_Time |
|---|
| 81 | |
|---|
| 82 | IMPLICIT none |
|---|
| 83 | PRIVATE |
|---|
| 84 | SAVE |
|---|
| 85 | |
|---|
| 86 | TYPE ClientIndexDef |
|---|
| 87 | INTEGER :: NrPoints |
|---|
| 88 | INTEGER,DIMENSION(:,:),allocatable :: index_list_2d |
|---|
| 89 | END TYPE ClientIndexDef |
|---|
| 90 | |
|---|
| 91 | TYPE(ClientDef),DIMENSION(PMC_MAX_MODELL) :: Clients |
|---|
| 92 | TYPE(ClientIndexDef),DIMENSION(PMC_MAX_MODELL) :: indClients |
|---|
| 93 | |
|---|
| 94 | INTEGER :: next_array_in_list = 0 |
|---|
| 95 | |
|---|
| 96 | PUBLIC PMC_Server_for_Client |
|---|
| 97 | |
|---|
| 98 | INTERFACE PMC_ServerInit |
|---|
| 99 | MODULE procedure PMC_ServerInit |
|---|
| 100 | END INTERFACE PMC_ServerInit |
|---|
| 101 | |
|---|
| 102 | INTERFACE PMC_S_Set_2D_index_list |
|---|
| 103 | MODULE procedure PMC_S_Set_2D_index_list |
|---|
| 104 | END INTERFACE PMC_S_Set_2D_index_list |
|---|
| 105 | |
|---|
| 106 | INTERFACE PMC_S_clear_next_array_list |
|---|
| 107 | MODULE procedure PMC_S_clear_next_array_list |
|---|
| 108 | END INTERFACE PMC_S_clear_next_array_list |
|---|
| 109 | |
|---|
| 110 | INTERFACE PMC_S_GetNextArray |
|---|
| 111 | MODULE procedure PMC_S_GetNextArray |
|---|
| 112 | END INTERFACE PMC_S_GetNextArray |
|---|
| 113 | |
|---|
| 114 | INTERFACE PMC_S_Set_DataArray |
|---|
| 115 | MODULE procedure PMC_S_Set_DataArray_2d |
|---|
| 116 | MODULE procedure PMC_S_Set_DataArray_3d |
|---|
| 117 | END INTERFACE PMC_S_Set_DataArray |
|---|
| 118 | |
|---|
| 119 | INTERFACE PMC_S_setInd_and_AllocMem |
|---|
| 120 | MODULE procedure PMC_S_setInd_and_AllocMem |
|---|
| 121 | END INTERFACE PMC_S_setInd_and_AllocMem |
|---|
| 122 | |
|---|
| 123 | INTERFACE PMC_S_FillBuffer |
|---|
| 124 | MODULE procedure PMC_S_FillBuffer |
|---|
| 125 | END INTERFACE PMC_S_FillBuffer |
|---|
| 126 | |
|---|
| 127 | INTERFACE PMC_S_GetData_from_Buffer |
|---|
| 128 | MODULE procedure PMC_S_GetData_from_Buffer |
|---|
| 129 | END INTERFACE PMC_S_GetData_from_Buffer |
|---|
| 130 | |
|---|
| 131 | INTERFACE PMC_S_Set_Active_data_array |
|---|
| 132 | MODULE procedure PMC_S_Set_Active_data_array |
|---|
| 133 | END INTERFACE PMC_S_Set_Active_data_array |
|---|
| 134 | |
|---|
| 135 | ! PUBLIC section |
|---|
| 136 | |
|---|
| 137 | PUBLIC PMC_ServerInit, PMC_S_Set_2D_index_list, PMC_S_GetNextArray, PMC_S_Set_DataArray |
|---|
| 138 | PUBLIC PMC_S_setInd_and_AllocMem, PMC_S_FillBuffer, PMC_S_GetData_from_Buffer, PMC_S_Set_Active_data_array |
|---|
| 139 | PUBLIC PMC_S_clear_next_array_list |
|---|
| 140 | |
|---|
| 141 | CONTAINS |
|---|
| 142 | |
|---|
| 143 | SUBROUTINE PMC_ServerInit |
|---|
| 144 | IMPLICIT none |
|---|
| 145 | INTEGER :: i |
|---|
| 146 | INTEGER :: j |
|---|
| 147 | INTEGER :: ClientId |
|---|
| 148 | INTEGER :: istat |
|---|
| 149 | |
|---|
| 150 | do i=1,size(PMC_Server_for_Client)-1 |
|---|
| 151 | ! if(m_model_comm == 0) write(0,*) 'PMC_Server: Initialize client Id',PMC_Server_for_Client(i) |
|---|
| 152 | |
|---|
| 153 | ClientId = PMC_Server_for_Client(i) |
|---|
| 154 | |
|---|
| 155 | Clients(ClientId)%model_comm = m_model_comm |
|---|
| 156 | Clients(ClientId)%inter_comm = m_to_client_comm(ClientId) |
|---|
| 157 | |
|---|
| 158 | ! Get rank and size |
|---|
| 159 | CALL MPI_Comm_rank (Clients(ClientId)%model_comm, Clients(ClientId)%model_rank, istat); |
|---|
| 160 | CALL MPI_Comm_size (Clients(ClientId)%model_comm, Clients(ClientId)%model_npes, istat); |
|---|
| 161 | CALL MPI_Comm_remote_size (Clients(ClientId)%inter_comm, Clients(ClientId)%inter_npes, istat); |
|---|
| 162 | |
|---|
| 163 | ! Intra communicater is used for MPI_Get |
|---|
| 164 | CALL MPI_Intercomm_merge (Clients(ClientId)%inter_comm, .false., Clients(ClientId)%intra_comm, istat); |
|---|
| 165 | CALL MPI_Comm_rank (Clients(ClientId)%intra_comm, Clients(ClientId)%intra_rank, istat); |
|---|
| 166 | |
|---|
| 167 | ! write(9,*) 'ClientId ',i,ClientId,m_world_rank, Clients(ClientId)%inter_npes |
|---|
| 168 | |
|---|
| 169 | ALLOCATE (Clients(ClientId)%PEs(Clients(ClientId)%inter_npes)) |
|---|
| 170 | ! |
|---|
| 171 | !-- Allocate for all client PEs an array of TYPE ArrayDef to store information of transfer array |
|---|
| 172 | do j=1,Clients(ClientId)%inter_npes |
|---|
| 173 | Allocate(Clients(ClientId)%PEs(j)%array_list(PMC_MAX_ARRAY)) |
|---|
| 174 | end do |
|---|
| 175 | |
|---|
| 176 | CALL Get_DA_names_from_client (ClientId) |
|---|
| 177 | end do |
|---|
| 178 | |
|---|
| 179 | return |
|---|
| 180 | END SUBROUTINE PMC_ServerInit |
|---|
| 181 | |
|---|
| 182 | SUBROUTINE PMC_S_Set_2D_index_list (ClientId, index_list) |
|---|
| 183 | IMPLICIT none |
|---|
| 184 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 185 | INTEGER,DIMENSION(:,:),INTENT(INOUT) :: index_list !Index list will be modified in sort, therefore INOUT |
|---|
| 186 | |
|---|
| 187 | !-- Local variables |
|---|
| 188 | INTEGER :: ip,is,ie,ian,ic,n |
|---|
| 189 | INTEGER :: istat |
|---|
| 190 | |
|---|
| 191 | if(m_model_rank == 0) then |
|---|
| 192 | CALL PMC_sort (index_list, 6) ! Sort to ascending Server PE |
|---|
| 193 | is = 1 |
|---|
| 194 | |
|---|
| 195 | do ip=0,m_model_npes-1 |
|---|
| 196 | |
|---|
| 197 | ! Split into Server PEs |
|---|
| 198 | ie = is-1 !there may be no entry for this PE |
|---|
| 199 | if(is <= size(index_list,2) .and. ie >= 0) then |
|---|
| 200 | do while ( index_list(6,ie+1) == ip) |
|---|
| 201 | ie = ie+1 |
|---|
| 202 | if( ie == size(index_list,2)) EXIT |
|---|
| 203 | end do |
|---|
| 204 | |
|---|
| 205 | ian = ie-is+1 |
|---|
| 206 | else |
|---|
| 207 | is = -1 |
|---|
| 208 | ie = -2 |
|---|
| 209 | ian = 0 |
|---|
| 210 | end if |
|---|
| 211 | |
|---|
| 212 | ! Send data to other server PEs |
|---|
| 213 | |
|---|
| 214 | if(ip == 0) then |
|---|
| 215 | indClients(ClientId)%NrPoints = ian |
|---|
| 216 | if(ian > 0) then |
|---|
| 217 | ALLOCATE (indClients(ClientId)%index_list_2d(6,ian)) |
|---|
| 218 | indClients(ClientId)%index_list_2d(:,1:ian) = index_list(:,is:ie) |
|---|
| 219 | end if |
|---|
| 220 | else |
|---|
| 221 | CALL MPI_Send (ian, 1, MPI_INTEGER, ip, 1000, m_model_comm, istat) |
|---|
| 222 | if(ian > 0) then |
|---|
| 223 | CALL MPI_Send (index_list(1,is), 6*ian, MPI_INTEGER, ip, 1001, & |
|---|
| 224 | m_model_comm, istat) |
|---|
| 225 | end if |
|---|
| 226 | end if |
|---|
| 227 | is = ie+1 |
|---|
| 228 | end do |
|---|
| 229 | else |
|---|
| 230 | CALL MPI_Recv (indClients(ClientId)%NrPoints, 1, MPI_INTEGER, 0, 1000, m_model_comm, & |
|---|
| 231 | MPI_STATUS_IGNORE, istat) |
|---|
| 232 | ian = indClients(ClientId)%NrPoints |
|---|
| 233 | if(ian > 0) then |
|---|
| 234 | ALLOCATE(indClients(ClientId)%index_list_2d(6,ian)) |
|---|
| 235 | CALL MPI_RECV (indClients(ClientId)%index_list_2d, 6*ian, MPI_INTEGER, 0, 1001, & |
|---|
| 236 | m_model_comm, MPI_STATUS_IGNORE, istat) |
|---|
| 237 | end if |
|---|
| 238 | end if |
|---|
| 239 | |
|---|
| 240 | CALL Set_PE_index_list (ClientId,Clients(ClientId),indClients(ClientId)%index_list_2d,indClients(ClientId)%NrPoints) |
|---|
| 241 | |
|---|
| 242 | return |
|---|
| 243 | END SUBROUTINE PMC_S_Set_2D_index_list |
|---|
| 244 | |
|---|
| 245 | SUBROUTINE PMC_S_clear_next_array_list |
|---|
| 246 | IMPLICIT none |
|---|
| 247 | |
|---|
| 248 | next_array_in_list = 0 |
|---|
| 249 | |
|---|
| 250 | return |
|---|
| 251 | END SUBROUTINE PMC_S_clear_next_array_list |
|---|
| 252 | |
|---|
| 253 | ! List handling is still required to get minimal interaction with pmc_interface |
|---|
| 254 | logical function PMC_S_GetNextArray (ClientId, myName) |
|---|
| 255 | INTEGER(iwp),INTENT(IN) :: ClientId |
|---|
| 256 | CHARACTER(len=*),INTENT(OUT) :: myName |
|---|
| 257 | |
|---|
| 258 | !-- local variables |
|---|
| 259 | TYPE(PeDef),POINTER :: aPE |
|---|
| 260 | TYPE(ArrayDef),POINTER :: ar |
|---|
| 261 | |
|---|
| 262 | next_array_in_list = next_array_in_list+1 |
|---|
| 263 | |
|---|
| 264 | !-- Array Names are the same on all client PE, so take first PE to get the name |
|---|
| 265 | aPE => Clients(ClientId)%PEs(1) |
|---|
| 266 | |
|---|
| 267 | if(next_array_in_list > aPE%Nr_arrays) then |
|---|
| 268 | PMC_S_GetNextArray = .false. ! all arrays done |
|---|
| 269 | return |
|---|
| 270 | end if |
|---|
| 271 | |
|---|
| 272 | ar => aPE%array_list(next_array_in_list) |
|---|
| 273 | myName = ar%name |
|---|
| 274 | |
|---|
| 275 | PMC_S_GetNextArray = .true. ! Return true if legal array |
|---|
| 276 | return |
|---|
| 277 | END function PMC_S_GetNextArray |
|---|
| 278 | |
|---|
| 279 | SUBROUTINE PMC_S_Set_DataArray_2d (ClientId, array, array_2 ) |
|---|
| 280 | |
|---|
| 281 | IMPLICIT none |
|---|
| 282 | |
|---|
| 283 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 284 | |
|---|
| 285 | REAL(wp), INTENT(IN), DIMENSION(:,:), POINTER :: array |
|---|
| 286 | REAL(wp), INTENT(IN), DIMENSION(:,:), POINTER, OPTIONAL :: array_2 |
|---|
| 287 | |
|---|
| 288 | INTEGER :: NrDims |
|---|
| 289 | INTEGER,DIMENSION (4) :: dims |
|---|
| 290 | TYPE(c_ptr) :: array_adr |
|---|
| 291 | TYPE(c_ptr) :: second_adr |
|---|
| 292 | |
|---|
| 293 | dims = 1 |
|---|
| 294 | |
|---|
| 295 | NrDims = 2 |
|---|
| 296 | dims(1) = size(array,1) |
|---|
| 297 | dims(2) = size(array,2) |
|---|
| 298 | array_adr = c_loc(array) |
|---|
| 299 | |
|---|
| 300 | IF ( PRESENT( array_2 ) ) THEN |
|---|
| 301 | second_adr = c_loc(array_2) |
|---|
| 302 | CALL PMC_S_SetArray (ClientId, NrDims, dims, array_adr, second_adr = second_adr) |
|---|
| 303 | ELSE |
|---|
| 304 | CALL PMC_S_SetArray (ClientId, NrDims, dims, array_adr) |
|---|
| 305 | ENDIF |
|---|
| 306 | |
|---|
| 307 | return |
|---|
| 308 | END SUBROUTINE PMC_S_Set_DataArray_2d |
|---|
| 309 | |
|---|
| 310 | SUBROUTINE PMC_S_Set_DataArray_3d (ClientId, array, nz_cl, nz, array_2 ) |
|---|
| 311 | |
|---|
| 312 | IMPLICIT none |
|---|
| 313 | |
|---|
| 314 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 315 | |
|---|
| 316 | REAL(wp), INTENT(IN), DIMENSION(:,:,:), POINTER :: array |
|---|
| 317 | REAL(wp), INTENT(IN), DIMENSION(:,:,:), POINTER, OPTIONAL :: array_2 |
|---|
| 318 | INTEGER,INTENT(IN) :: nz_cl |
|---|
| 319 | INTEGER,INTENT(IN) :: nz |
|---|
| 320 | |
|---|
| 321 | INTEGER :: NrDims |
|---|
| 322 | INTEGER,DIMENSION (4) :: dims |
|---|
| 323 | TYPE(c_ptr) :: array_adr |
|---|
| 324 | TYPE(c_ptr) :: second_adr |
|---|
| 325 | |
|---|
| 326 | dims = 1 |
|---|
| 327 | |
|---|
| 328 | dims = 0 |
|---|
| 329 | NrDims = 3 |
|---|
| 330 | dims(1) = size(array,1) |
|---|
| 331 | dims(2) = size(array,2) |
|---|
| 332 | dims(3) = size(array,3) |
|---|
| 333 | dims(4) = nz_cl+dims(1)-nz ! works for first dimension 1:nz and 0:nz+1 |
|---|
| 334 | |
|---|
| 335 | array_adr = c_loc(array) |
|---|
| 336 | |
|---|
| 337 | ! |
|---|
| 338 | !-- In PALM's pointer version, two indices have to be stored internally. |
|---|
| 339 | !-- The active address of the data array is set in swap_timelevel |
|---|
| 340 | IF ( PRESENT( array_2 ) ) THEN |
|---|
| 341 | second_adr = c_loc(array_2) |
|---|
| 342 | CALL PMC_S_SetArray (ClientId, NrDims, dims, array_adr, second_adr = second_adr) |
|---|
| 343 | ELSE |
|---|
| 344 | CALL PMC_S_SetArray (ClientId, NrDims, dims, array_adr) |
|---|
| 345 | ENDIF |
|---|
| 346 | |
|---|
| 347 | return |
|---|
| 348 | END SUBROUTINE PMC_S_Set_DataArray_3d |
|---|
| 349 | |
|---|
| 350 | SUBROUTINE PMC_S_setInd_and_AllocMem (ClientId) |
|---|
| 351 | |
|---|
| 352 | USE control_parameters, & |
|---|
| 353 | ONLY: message_string |
|---|
| 354 | |
|---|
| 355 | IMPLICIT none |
|---|
| 356 | |
|---|
| 357 | ! |
|---|
| 358 | !-- Naming convention for appendices: _sc -> server to client transfer |
|---|
| 359 | !-- _cs -> client to server transfer |
|---|
| 360 | !-- Send -> Server to client transfer |
|---|
| 361 | !-- Recv -> client to server transfer |
|---|
| 362 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 363 | |
|---|
| 364 | INTEGER :: i, istat, ierr, j |
|---|
| 365 | INTEGER :: arlen, myIndex, tag |
|---|
| 366 | INTEGER :: rCount ! count MPI requests |
|---|
| 367 | INTEGER(idp) :: bufsize ! Size of MPI data Window |
|---|
| 368 | TYPE(PeDef),POINTER :: aPE |
|---|
| 369 | TYPE(ArrayDef),POINTER :: ar |
|---|
| 370 | CHARACTER(len=DA_Namelen) :: myName |
|---|
| 371 | INTEGER,DIMENSION(1024) :: req |
|---|
| 372 | Type(c_ptr) :: base_ptr |
|---|
| 373 | REAL(wp),DIMENSION(:),POINTER,SAVE :: base_array_sc !Base array for server to client transfer |
|---|
| 374 | REAL(wp),DIMENSION(:),POINTER,SAVE :: base_array_cs !Base array for client to server transfer |
|---|
| 375 | INTEGER(KIND=MPI_ADDRESS_KIND) :: WinSize |
|---|
| 376 | |
|---|
| 377 | ! |
|---|
| 378 | !-- Server to client direction |
|---|
| 379 | myIndex = 1 |
|---|
| 380 | rCount = 0 |
|---|
| 381 | bufsize = 8 |
|---|
| 382 | |
|---|
| 383 | ! |
|---|
| 384 | !-- First stride: Compute size and set index |
|---|
| 385 | do i=1,Clients(ClientId)%inter_npes |
|---|
| 386 | aPE => Clients(ClientId)%PEs(i) |
|---|
| 387 | tag = 200 |
|---|
| 388 | do j=1,aPE%Nr_arrays |
|---|
| 389 | ar => aPE%array_list(j) |
|---|
| 390 | if(ar%NrDims == 2) then |
|---|
| 391 | arlen = aPE%NrEle ! 2D |
|---|
| 392 | else if(ar%NrDims == 3) then |
|---|
| 393 | arlen = aPE%NrEle * ar%A_dim(4); ! 3D |
|---|
| 394 | else |
|---|
| 395 | arlen = -1 |
|---|
| 396 | end if |
|---|
| 397 | ar%SendIndex = myIndex |
|---|
| 398 | |
|---|
| 399 | tag = tag+1 |
|---|
| 400 | rCount = rCount+1 |
|---|
| 401 | CALL MPI_Isend (myIndex, 1, MPI_INTEGER, i-1, tag, Clients(ClientId)%inter_comm, req(rCount),ierr) |
|---|
| 402 | |
|---|
| 403 | if(rCount == 1024) then ! Maximum of 1024 outstanding requests |
|---|
| 404 | CALL MPI_Waitall (rCount, req, MPI_STATUSES_IGNORE, ierr) |
|---|
| 405 | rCount = 0; |
|---|
| 406 | end if |
|---|
| 407 | |
|---|
| 408 | myIndex = myIndex+arlen |
|---|
| 409 | bufsize = bufsize+arlen |
|---|
| 410 | ar%SendSize = arlen |
|---|
| 411 | |
|---|
| 412 | end do |
|---|
| 413 | if(rCount > 0) then ! Wait for all send completed |
|---|
| 414 | CALL MPI_Waitall (rCount, req, MPI_STATUSES_IGNORE, ierr) |
|---|
| 415 | end if |
|---|
| 416 | end do |
|---|
| 417 | |
|---|
| 418 | ! |
|---|
| 419 | !-- Create RMA (One Sided Communication) window for data buffer server to |
|---|
| 420 | !-- client transfer. |
|---|
| 421 | !-- The buffer of MPI_Get (counter part of transfer) can be PE-local, i.e. |
|---|
| 422 | !-- it can but must not be part of the MPI RMA window. |
|---|
| 423 | !-- Only one RMA window is required to prepare the data |
|---|
| 424 | !-- for server -> client transfer on the server side and |
|---|
| 425 | !-- for client -> server transfer on the client side |
|---|
| 426 | CALL PMC_Alloc_mem (base_array_sc, bufsize) |
|---|
| 427 | Clients(ClientId)%TotalBufferSize = bufsize*wp !Total buffer size in Byte |
|---|
| 428 | |
|---|
| 429 | WinSize = bufsize*wp |
|---|
| 430 | CALL MPI_Win_create (base_array_sc, WinSize, wp, MPI_INFO_NULL, & |
|---|
| 431 | Clients(ClientId)%intra_comm, Clients(ClientId)%win_server_client, ierr) |
|---|
| 432 | CALL MPI_Win_fence (0, Clients(ClientId)%win_server_client, ierr); ! Open Window to set data |
|---|
| 433 | ! |
|---|
| 434 | !-- Second stride: Set Buffer pointer |
|---|
| 435 | do i=1,Clients(ClientId)%inter_npes |
|---|
| 436 | aPE => Clients(ClientId)%PEs(i) |
|---|
| 437 | do j=1,aPE%Nr_arrays |
|---|
| 438 | ar => aPE%array_list(j) |
|---|
| 439 | ar%SendBuf = c_loc(base_array_sc(ar%SendIndex)) |
|---|
| 440 | if(ar%SendIndex+ar%SendSize > bufsize) then |
|---|
| 441 | write(0,'(a,i4,4i7,1x,a)') 'Server Buffer too small ',i, & |
|---|
| 442 | ar%SendIndex,ar%SendSize,ar%SendIndex+ar%SendSize,bufsize,trim(ar%name) |
|---|
| 443 | CALL MPI_Abort (MPI_COMM_WORLD, istat, ierr) |
|---|
| 444 | end if |
|---|
| 445 | end do |
|---|
| 446 | end do |
|---|
| 447 | |
|---|
| 448 | !-- Client to server direction |
|---|
| 449 | |
|---|
| 450 | bufsize = 8 |
|---|
| 451 | |
|---|
| 452 | !-- First stride, Compute size and set index |
|---|
| 453 | |
|---|
| 454 | do i=1,Clients(ClientId)%inter_npes |
|---|
| 455 | aPE => Clients(ClientId)%PEs(i) |
|---|
| 456 | tag = 300 |
|---|
| 457 | |
|---|
| 458 | do j=1,aPE%Nr_arrays |
|---|
| 459 | ar => aPE%array_list(j) |
|---|
| 460 | |
|---|
| 461 | ! Receive Index from client |
|---|
| 462 | tag = tag+1 |
|---|
| 463 | CALL MPI_Recv (myIndex, 1, MPI_INTEGER, i-1, tag, Clients(ClientId)%inter_comm, MPI_STATUS_IGNORE, ierr) |
|---|
| 464 | |
|---|
| 465 | if(ar%NrDims == 3) then |
|---|
| 466 | bufsize = max(bufsize,aPE%NrEle * ar%A_dim(4)) ! 3D |
|---|
| 467 | else |
|---|
| 468 | bufsize = max(bufsize,aPE%NrEle) ! 2D |
|---|
| 469 | end if |
|---|
| 470 | ar%RecvIndex = myIndex |
|---|
| 471 | end do |
|---|
| 472 | |
|---|
| 473 | end do |
|---|
| 474 | |
|---|
| 475 | !-- Create RMA (One Sided Communication) data buffer |
|---|
| 476 | !-- The buffer for MPI_Get can be PE local, i.e. it can but must not be part of the MPI RMA window |
|---|
| 477 | |
|---|
| 478 | CALL PMC_Alloc_mem (base_array_cs, bufsize, base_ptr) |
|---|
| 479 | Clients(ClientId)%TotalBufferSize = bufsize*wp !Total buffer size in Byte |
|---|
| 480 | |
|---|
| 481 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) |
|---|
| 482 | |
|---|
| 483 | !-- Second stride, Set Buffer pointer |
|---|
| 484 | |
|---|
| 485 | do i=1,Clients(ClientId)%inter_npes |
|---|
| 486 | aPE => Clients(ClientId)%PEs(i) |
|---|
| 487 | |
|---|
| 488 | do j=1,aPE%Nr_arrays |
|---|
| 489 | ar => aPE%array_list(j) |
|---|
| 490 | ar%RecvBuf = base_ptr |
|---|
| 491 | end do |
|---|
| 492 | end do |
|---|
| 493 | |
|---|
| 494 | return |
|---|
| 495 | END SUBROUTINE PMC_S_setInd_and_AllocMem |
|---|
| 496 | |
|---|
| 497 | SUBROUTINE PMC_S_FillBuffer (ClientId, WaitTime) |
|---|
| 498 | IMPLICIT none |
|---|
| 499 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 500 | REAL(wp), INTENT(OUT), OPTIONAL :: WaitTime |
|---|
| 501 | |
|---|
| 502 | INTEGER :: ip,ij,istat,ierr,j |
|---|
| 503 | INTEGER :: myIndex |
|---|
| 504 | REAL(wp) :: t1,t2 |
|---|
| 505 | TYPE(PeDef),POINTER :: aPE |
|---|
| 506 | TYPE(ArrayDef),POINTER :: ar |
|---|
| 507 | CHARACTER(len=DA_Namelen) :: myName |
|---|
| 508 | INTEGER,DIMENSION(1) :: buf_shape |
|---|
| 509 | REAL(wp), POINTER, DIMENSION(:) :: buf |
|---|
| 510 | REAL(wp), POINTER, DIMENSION(:,:) :: data_2d |
|---|
| 511 | REAL(wp), POINTER, DIMENSION(:,:,:) :: data_3d |
|---|
| 512 | |
|---|
| 513 | !-- Synchronization of the model is done in pmci_client_synchronize and pmci_server_synchronize |
|---|
| 514 | !-- Therefor the RMA window cann be filled without sychronization at this point and the barrier |
|---|
| 515 | !-- is not necessary |
|---|
| 516 | !-- Please note that WaitTime has to be set in PMC_S_FillBuffer AND PMC_C_GetBuffer |
|---|
| 517 | |
|---|
| 518 | if(present(WaitTime)) then |
|---|
| 519 | t1 = PMC_Time() |
|---|
| 520 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) |
|---|
| 521 | t2 = PMC_Time() |
|---|
| 522 | WaitTime = t2-t1 |
|---|
| 523 | end if |
|---|
| 524 | |
|---|
| 525 | do ip=1,Clients(ClientId)%inter_npes |
|---|
| 526 | aPE => Clients(ClientId)%PEs(ip) |
|---|
| 527 | do j=1,aPE%Nr_arrays |
|---|
| 528 | ar => aPE%array_list(j) |
|---|
| 529 | myIndex=1 |
|---|
| 530 | if(ar%NrDims == 2) then |
|---|
| 531 | buf_shape(1) = aPE%NrEle |
|---|
| 532 | CALL c_f_pointer(ar%SendBuf, buf, buf_shape) |
|---|
| 533 | CALL c_f_pointer(ar%data, data_2d, ar%A_dim(1:2)) |
|---|
| 534 | do ij=1,aPE%NrEle |
|---|
| 535 | buf(myIndex) = data_2d(aPE%locInd(ij)%j,aPE%locInd(ij)%i) |
|---|
| 536 | myIndex = myIndex+1 |
|---|
| 537 | end do |
|---|
| 538 | else if(ar%NrDims == 3) then |
|---|
| 539 | buf_shape(1) = aPE%NrEle*ar%A_dim(4) |
|---|
| 540 | CALL c_f_pointer(ar%SendBuf, buf, buf_shape) |
|---|
| 541 | CALL c_f_pointer(ar%data, data_3d, ar%A_dim(1:3)) |
|---|
| 542 | do ij=1,aPE%NrEle |
|---|
| 543 | buf(myIndex:myIndex+ar%A_dim(4)-1) = data_3d(1:ar%A_dim(4),aPE%locInd(ij)%j,aPE%locInd(ij)%i) |
|---|
| 544 | myIndex = myIndex+ar%A_dim(4) |
|---|
| 545 | end do |
|---|
| 546 | end if |
|---|
| 547 | end do |
|---|
| 548 | end do |
|---|
| 549 | |
|---|
| 550 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) ! buffer is filled |
|---|
| 551 | |
|---|
| 552 | return |
|---|
| 553 | END SUBROUTINE PMC_S_FillBuffer |
|---|
| 554 | |
|---|
| 555 | SUBROUTINE PMC_S_GetData_from_Buffer (ClientId, WaitTime) |
|---|
| 556 | |
|---|
| 557 | IMPLICIT none |
|---|
| 558 | |
|---|
| 559 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 560 | REAL(wp), INTENT(OUT), OPTIONAL :: WaitTime |
|---|
| 561 | |
|---|
| 562 | !-- local variables |
|---|
| 563 | INTEGER :: ip,ij,istat,ierr,j |
|---|
| 564 | INTEGER :: myIndex |
|---|
| 565 | INTEGER :: nr |
|---|
| 566 | REAL(wp) :: t1,t2 |
|---|
| 567 | TYPE(PeDef),POINTER :: aPE |
|---|
| 568 | TYPE(ArrayDef),POINTER :: ar |
|---|
| 569 | CHARACTER(len=DA_Namelen) :: myName |
|---|
| 570 | INTEGER,DIMENSION(1) :: buf_shape |
|---|
| 571 | REAL(wp), POINTER, DIMENSION(:) :: buf |
|---|
| 572 | REAL(wp), POINTER, DIMENSION(:,:) :: data_2d |
|---|
| 573 | REAL(wp), POINTER, DIMENSION(:,:,:) :: data_3d |
|---|
| 574 | INTEGER :: target_pe |
|---|
| 575 | INTEGER(kind=MPI_ADDRESS_KIND) :: target_disp |
|---|
| 576 | |
|---|
| 577 | t1 = PMC_Time() |
|---|
| 578 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) ! Wait for client to fill buffer |
|---|
| 579 | t2 = PMC_Time()-t1 |
|---|
| 580 | if(present(WaitTime)) WaitTime = t2 |
|---|
| 581 | |
|---|
| 582 | ! CALL MPI_Win_fence (0, Clients(ClientId)%win_server_client, ierr) ! Fence might do it, test later |
|---|
| 583 | CALL MPI_Barrier(Clients(ClientId)%intra_comm, ierr) ! Wait for buffer is filled |
|---|
| 584 | |
|---|
| 585 | do ip=1,Clients(ClientId)%inter_npes |
|---|
| 586 | aPE => Clients(ClientId)%PEs(ip) |
|---|
| 587 | do j=1,aPE%Nr_arrays |
|---|
| 588 | ar => aPE%array_list(j) |
|---|
| 589 | |
|---|
| 590 | if(ar%RecvIndex < 0) CYCLE |
|---|
| 591 | |
|---|
| 592 | if(ar%NrDims == 2) then |
|---|
| 593 | nr = aPE%NrEle |
|---|
| 594 | else if(ar%NrDims == 3) then |
|---|
| 595 | nr = aPE%NrEle*ar%A_dim(4) |
|---|
| 596 | end if |
|---|
| 597 | |
|---|
| 598 | buf_shape(1) = nr |
|---|
| 599 | CALL c_f_pointer(ar%RecvBuf, buf, buf_shape) |
|---|
| 600 | ! |
|---|
| 601 | !-- MPI passive target RMA |
|---|
| 602 | |
|---|
| 603 | if(nr > 0) then |
|---|
| 604 | target_disp = ar%RecvIndex-1 |
|---|
| 605 | target_pe = ip-1+m_model_npes ! client PEs are located behind server PEs |
|---|
| 606 | CALL MPI_Win_lock (MPI_LOCK_SHARED , target_pe, 0, Clients(ClientId)%win_server_client, ierr) |
|---|
| 607 | CALL MPI_Get (buf, nr, MPI_REAL, target_pe, target_disp, nr, MPI_REAL, Clients(ClientId)%win_server_client, ierr) |
|---|
| 608 | CALL MPI_Win_unlock (target_pe, Clients(ClientId)%win_server_client, ierr) |
|---|
| 609 | end if |
|---|
| 610 | |
|---|
| 611 | myIndex=1 |
|---|
| 612 | if(ar%NrDims == 2) then |
|---|
| 613 | CALL c_f_pointer(ar%data, data_2d, ar%A_dim(1:2)) |
|---|
| 614 | do ij=1,aPE%NrEle |
|---|
| 615 | data_2d(aPE%locInd(ij)%j,aPE%locInd(ij)%i) = buf(myIndex) |
|---|
| 616 | myIndex = myIndex+1 |
|---|
| 617 | end do |
|---|
| 618 | else if(ar%NrDims == 3) then |
|---|
| 619 | CALL c_f_pointer(ar%data, data_3d, ar%A_dim(1:3)) |
|---|
| 620 | do ij=1,aPE%NrEle |
|---|
| 621 | data_3d(1:ar%A_dim(4),aPE%locInd(ij)%j,aPE%locInd(ij)%i) = buf(myIndex:myIndex+ar%A_dim(4)-1) |
|---|
| 622 | myIndex = myIndex+ar%A_dim(4) |
|---|
| 623 | end do |
|---|
| 624 | end if |
|---|
| 625 | end do |
|---|
| 626 | end do |
|---|
| 627 | |
|---|
| 628 | END SUBROUTINE PMC_S_GetData_from_Buffer |
|---|
| 629 | |
|---|
| 630 | ! Private SUBROUTINEs |
|---|
| 631 | |
|---|
| 632 | SUBROUTINE Get_DA_names_from_client (ClientId) |
|---|
| 633 | IMPLICIT none |
|---|
| 634 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 635 | !-- local variables |
|---|
| 636 | type(DA_NameDef) :: myName |
|---|
| 637 | |
|---|
| 638 | ! Get Data Array Description and Name from Client |
|---|
| 639 | |
|---|
| 640 | do |
|---|
| 641 | CALL PMC_Bcast ( myName%couple_index, 0, comm=m_to_client_comm(ClientId)) |
|---|
| 642 | if(myName%couple_index == -1) EXIT |
|---|
| 643 | CALL PMC_Bcast ( myName%ServerDesc, 0, comm=m_to_client_comm(ClientId)) |
|---|
| 644 | CALL PMC_Bcast ( myName%NameOnServer, 0, comm=m_to_client_comm(ClientId)) |
|---|
| 645 | CALL PMC_Bcast ( myName%ClientDesc, 0, comm=m_to_client_comm(ClientId)) |
|---|
| 646 | CALL PMC_Bcast ( myName%NameOnClient, 0, comm=m_to_client_comm(ClientId)) |
|---|
| 647 | |
|---|
| 648 | CALL PMC_G_SetName (clients(ClientID), myName%couple_index, myName%NameOnServer ) |
|---|
| 649 | end do |
|---|
| 650 | |
|---|
| 651 | return |
|---|
| 652 | END SUBROUTINE Get_DA_names_from_client |
|---|
| 653 | |
|---|
| 654 | SUBROUTINE PMC_S_SetArray (ClientId, NrDims, dims, array_adr, second_adr) |
|---|
| 655 | IMPLICIT none |
|---|
| 656 | |
|---|
| 657 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 658 | INTEGER,INTENT(IN) :: NrDims |
|---|
| 659 | INTEGER,INTENT(IN),DIMENSION(:) :: dims |
|---|
| 660 | TYPE(c_ptr),INTENT(IN) :: array_adr |
|---|
| 661 | TYPE(c_ptr),INTENT(IN),OPTIONAL :: second_adr |
|---|
| 662 | |
|---|
| 663 | INTEGER :: i |
|---|
| 664 | TYPE(PeDef),POINTER :: aPE |
|---|
| 665 | TYPE(ArrayDef),POINTER :: ar |
|---|
| 666 | CHARACTER(len=DA_Namelen) :: myName |
|---|
| 667 | |
|---|
| 668 | ! Set Array for Client interPE 0 |
|---|
| 669 | |
|---|
| 670 | do i=1,Clients(ClientId)%inter_npes |
|---|
| 671 | aPE => Clients(ClientId)%PEs(i) |
|---|
| 672 | ar => aPE%array_list(next_array_in_list) |
|---|
| 673 | ar%NrDims = NrDims |
|---|
| 674 | ar%A_dim = dims |
|---|
| 675 | ar%data = array_adr |
|---|
| 676 | if(present(second_adr)) then |
|---|
| 677 | ar%po_data(1) = array_adr |
|---|
| 678 | ar%po_data(2) = second_adr |
|---|
| 679 | else |
|---|
| 680 | ar%po_data(1) = C_NULL_PTR |
|---|
| 681 | ar%po_data(2) = C_NULL_PTR |
|---|
| 682 | end if |
|---|
| 683 | end do |
|---|
| 684 | |
|---|
| 685 | return |
|---|
| 686 | END SUBROUTINE PMC_S_SetArray |
|---|
| 687 | |
|---|
| 688 | |
|---|
| 689 | SUBROUTINE PMC_S_Set_Active_data_array (ClientId,iactive) |
|---|
| 690 | IMPLICIT none |
|---|
| 691 | |
|---|
| 692 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 693 | INTEGER,INTENT(IN) :: iactive |
|---|
| 694 | |
|---|
| 695 | !-- local variables |
|---|
| 696 | INTEGER :: i, ip, j |
|---|
| 697 | TYPE(PeDef),POINTER :: aPE |
|---|
| 698 | TYPE(ArrayDef),POINTER :: ar |
|---|
| 699 | CHARACTER(len=DA_Namelen) :: myName |
|---|
| 700 | |
|---|
| 701 | do ip=1,Clients(ClientId)%inter_npes |
|---|
| 702 | aPE => Clients(ClientId)%PEs(ip) |
|---|
| 703 | do j=1,aPE%Nr_arrays |
|---|
| 704 | ar => aPE%array_list(j) |
|---|
| 705 | if(iactive == 1 .OR. iactive == 2) then |
|---|
| 706 | ar%data = ar%po_data(iactive) |
|---|
| 707 | end if |
|---|
| 708 | end do |
|---|
| 709 | end do |
|---|
| 710 | |
|---|
| 711 | return |
|---|
| 712 | END SUBROUTINE PMC_S_Set_Active_data_array |
|---|
| 713 | |
|---|
| 714 | |
|---|
| 715 | SUBROUTINE Set_PE_index_list (ClientId, myClient,index_list,NrP) |
|---|
| 716 | IMPLICIT none |
|---|
| 717 | |
|---|
| 718 | INTEGER,INTENT(IN) :: ClientId |
|---|
| 719 | TYPE(ClientDef),INTENT(INOUT) :: myClient |
|---|
| 720 | INTEGER,INTENT(IN),DIMENSION(:,:) :: index_list |
|---|
| 721 | INTEGER,INTENT(IN) :: NrP |
|---|
| 722 | |
|---|
| 723 | !-- local variables |
|---|
| 724 | INTEGER :: i,j,ind,ierr,i2 |
|---|
| 725 | TYPE(PeDef),POINTER :: aPE |
|---|
| 726 | INTEGER :: RemPE |
|---|
| 727 | INTEGER,DIMENSION(myClient%inter_npes) :: RemInd |
|---|
| 728 | INTEGER,DIMENSION(:),POINTER :: RemIndw |
|---|
| 729 | INTEGER,DIMENSION(:),POINTER :: RLdef |
|---|
| 730 | INTEGER(KIND=MPI_ADDRESS_KIND) :: WinSize |
|---|
| 731 | INTEGER :: indWin,indWin2 |
|---|
| 732 | |
|---|
| 733 | ! First, count entries for every remote client PE |
|---|
| 734 | |
|---|
| 735 | do i=1,myClient%inter_npes |
|---|
| 736 | aPE => myClient%PEs(i) |
|---|
| 737 | aPE%NrEle = 0 |
|---|
| 738 | end do |
|---|
| 739 | |
|---|
| 740 | do j=1,NrP ! loop over number of cells coarse grid |
|---|
| 741 | RemPE = index_list(5,j)+1 ! Pe number remote PE |
|---|
| 742 | aPE => myClient%PEs(RemPE) |
|---|
| 743 | aPE% NrEle = aPE% NrEle+1 ! Increment Number of elements for this client Pe |
|---|
| 744 | end do |
|---|
| 745 | |
|---|
| 746 | do i=1,myClient%inter_npes |
|---|
| 747 | aPE => myClient%PEs(i) |
|---|
| 748 | ALLOCATE(aPE%locInd(aPE%NrEle)) |
|---|
| 749 | end do |
|---|
| 750 | |
|---|
| 751 | RemInd = 0 |
|---|
| 752 | |
|---|
| 753 | ! Second, Create lists |
|---|
| 754 | |
|---|
| 755 | do j=1,NrP ! loop over number of cells coarse grid |
|---|
| 756 | RemPE = index_list(5,j)+1 ! Pe number remote PE |
|---|
| 757 | aPE => myClient%PEs(RemPE) |
|---|
| 758 | RemInd(RemPE) = RemInd(RemPE)+1 |
|---|
| 759 | ind = RemInd(RemPE) |
|---|
| 760 | aPE%locInd(ind)%i = index_list(1,j) |
|---|
| 761 | aPE%locInd(ind)%j = index_list(2,j) |
|---|
| 762 | end do |
|---|
| 763 | |
|---|
| 764 | ! Prepare Number of Elements for Client PEs |
|---|
| 765 | CALL PMC_Alloc_mem (RLdef, myClient%inter_npes*2) |
|---|
| 766 | WinSize = myClient%inter_npes*c_sizeof(i)*2 ! Number of Client PEs * size of INTEGER (i just arbitrary INTEGER) |
|---|
| 767 | |
|---|
| 768 | CALL MPI_Win_create (RLdef, WinSize, iwp, MPI_INFO_NULL, myClient%intra_comm, indWin, ierr); |
|---|
| 769 | CALL MPI_Win_fence (0, indWin, ierr); ! Open Window to set data |
|---|
| 770 | |
|---|
| 771 | RLdef(1) = 0 ! Index on Remote PE 0 |
|---|
| 772 | RLdef(2) = RemInd(1) ! Number of Elements on Rem PE 0 |
|---|
| 773 | |
|---|
| 774 | do i=2,myClient%inter_npes ! Reserve Buffer for index array |
|---|
| 775 | i2 = (i-1)*2+1 |
|---|
| 776 | RLdef(i2) = RLdef(i2-2) + RLdef(i2-1)*2 ! Index on Remote PE |
|---|
| 777 | RLdef(i2+1) = RemInd(i) ! Number of Elements on Remote PE |
|---|
| 778 | end do |
|---|
| 779 | |
|---|
| 780 | CALL MPI_Win_fence (0, indWin, ierr); ! Close Window to allow client to access data |
|---|
| 781 | CALL MPI_Win_fence (0, indWin, ierr); ! Client has retrieved data |
|---|
| 782 | |
|---|
| 783 | i2 = 2*myClient%inter_npes-1 |
|---|
| 784 | WinSize = (RLdef(i2)+RLdef(i2+1))*2 |
|---|
| 785 | WinSize = max(WinSize,1) ! Make sure, MPI_Alloc_mem works |
|---|
| 786 | |
|---|
| 787 | CALL PMC_Alloc_mem (RemIndw, int(WinSize)) |
|---|
| 788 | |
|---|
| 789 | CALL MPI_Barrier (m_model_comm, ierr) |
|---|
| 790 | CALL MPI_Win_create (RemIndw, WinSize*c_sizeof(i), iwp, MPI_INFO_NULL, myClient%intra_comm, indWin2, ierr); |
|---|
| 791 | |
|---|
| 792 | CALL MPI_Win_fence (0, indWin2, ierr); ! Open Window to set data |
|---|
| 793 | do j=1,NrP ! this loop creates the 2D index list |
|---|
| 794 | RemPE = index_list(5,j)+1 ! Pe number remote PE |
|---|
| 795 | aPE => myClient%PEs(RemPE) |
|---|
| 796 | i2 = RemPE*2-1 |
|---|
| 797 | ind = RLdef(i2)+1 |
|---|
| 798 | RemIndw(ind) = index_list(3,j) |
|---|
| 799 | RemIndw(ind+1) = index_list(4,j) |
|---|
| 800 | RLdef(i2) = RLdef(i2)+2 |
|---|
| 801 | end do |
|---|
| 802 | CALL MPI_Win_fence (0, indWin2, ierr); !all data set |
|---|
| 803 | |
|---|
| 804 | CALL MPI_Barrier(myClient%intra_comm, ierr) ! Dont know why, but this barrier is necessary before we can free the windows |
|---|
| 805 | |
|---|
| 806 | CALL MPI_Win_free(indWin, ierr) |
|---|
| 807 | CALL MPI_Win_free(indWin2, ierr) |
|---|
| 808 | |
|---|
| 809 | ! Sollte funktionieren, Problem mit MPI implementation |
|---|
| 810 | ! https://www.lrz.de/services/software/parallel/mpi/onesided |
|---|
| 811 | ! CALL MPI_Free_mem (RemIndw, ierr) |
|---|
| 812 | |
|---|
| 813 | return |
|---|
| 814 | END SUBROUTINE Set_PE_index_list |
|---|
| 815 | |
|---|
| 816 | #endif |
|---|
| 817 | END MODULE pmc_server |
|---|
