[8] | 1 | MODULE mod_mpi_buffer_server |
---|
| 2 | USE mod_mpi_buffer_parameters |
---|
| 3 | |
---|
| 4 | TYPE mpi_requests |
---|
| 5 | INTEGER :: Pos |
---|
| 6 | INTEGER :: size |
---|
| 7 | END TYPE mpi_requests |
---|
| 8 | |
---|
| 9 | TYPE buffer |
---|
| 10 | INTEGER(KIND=8),POINTER :: mpi_buffer(:) |
---|
| 11 | INTEGER :: pos |
---|
| 12 | INTEGER :: begin |
---|
| 13 | TYPE(mpi_requests),POINTER :: request(:) |
---|
| 14 | INTEGER :: request_pos |
---|
| 15 | INTEGER :: nb_request |
---|
| 16 | INTEGER :: request_begin |
---|
| 17 | INTEGER :: request_free |
---|
| 18 | LOGICAL :: is_posted |
---|
| 19 | LOGICAL :: is_terminated |
---|
| 20 | INTEGER :: last_request |
---|
| 21 | END TYPE buffer |
---|
| 22 | |
---|
| 23 | TYPE(buffer),ALLOCATABLE,SAVE :: buffers(:) |
---|
| 24 | |
---|
| 25 | INTEGER,SAVE :: current_rank |
---|
[36] | 26 | INTEGER,SAVE :: mpi_buffer_size |
---|
[8] | 27 | |
---|
| 28 | CONTAINS |
---|
| 29 | |
---|
| 30 | SUBROUTINE Init_mpi_buffer |
---|
| 31 | USE mod_ioserver_para |
---|
| 32 | USE mod_global_memory |
---|
| 33 | IMPLICIT NONE |
---|
| 34 | INTEGER :: n |
---|
| 35 | |
---|
| 36 | ALLOCATE(buffers(nb_client)) |
---|
[36] | 37 | mpi_buffer_size=global_mpi_buffer_size/nb_client |
---|
[8] | 38 | DO n=1,nb_client |
---|
| 39 | CALL allocate_global_memory(mpi_buffer_size,buffers(n)%MPI_Buffer) |
---|
| 40 | buffers(n)%pos=1 |
---|
| 41 | buffers(n)%begin=1 |
---|
| 42 | ALLOCATE(buffers(n)%request(max_request)) |
---|
| 43 | buffers(n)%nb_request=0 |
---|
| 44 | buffers(n)%request_free=max_request |
---|
| 45 | buffers(n)%request_pos=1 |
---|
| 46 | buffers(n)%request_begin=1 |
---|
| 47 | buffers(n)%is_posted=.FALSE. |
---|
| 48 | buffers(n)%is_terminated=.FALSE. |
---|
| 49 | ENDDO |
---|
| 50 | |
---|
| 51 | END SUBROUTINE Init_mpi_buffer |
---|
| 52 | |
---|
| 53 | SUBROUTINE Check_buffer |
---|
| 54 | USE mod_ioserver_para |
---|
| 55 | USE mpitrace |
---|
[37] | 56 | USE mpi_mod |
---|
[8] | 57 | IMPLICIT NONE |
---|
| 58 | INTEGER :: n |
---|
| 59 | INTEGER :: status(MPI_STATUS_SIZE) |
---|
| 60 | LOGICAL :: ok_complete |
---|
| 61 | LOGICAL :: ok_out |
---|
| 62 | INTEGER :: ierr |
---|
| 63 | INTEGER :: message_size |
---|
| 64 | INTEGER :: Buffer_space |
---|
| 65 | INTEGER :: request |
---|
| 66 | |
---|
| 67 | CALL VTb(VTcheck_buffer) |
---|
| 68 | DO n=1,nb_client |
---|
| 69 | ok_out=.FALSE. |
---|
| 70 | |
---|
| 71 | DO WHILE (.NOT. ok_out) |
---|
| 72 | |
---|
| 73 | IF (buffers(n)%is_posted) THEN |
---|
| 74 | ! PRINT*,"MPI_TEST" |
---|
| 75 | ! PRINT *,"MPI_TEST LAST_REQUEST (avant)",buffers(n)%last_request,"ok_complete ?",ok_complete |
---|
| 76 | CALL MPI_TEST(buffers(n)%last_request,ok_complete,status,ierr) |
---|
| 77 | ! PRINT *,"MPI_TEST LAST_REQUEST (apres)",buffers(n)%last_request,"ok_complete ?",ok_complete |
---|
| 78 | |
---|
| 79 | IF (ok_complete) THEN |
---|
| 80 | CALL MPI_GET_COUNT(status,MPI_INTEGER8,message_size,ierr) |
---|
| 81 | CALL Fill_request(n,Buffers(n)%pos,message_size) |
---|
| 82 | buffers(n)%is_posted=.FALSE. |
---|
| 83 | buffers(n)%pos=buffers(n)%pos+message_size |
---|
| 84 | |
---|
| 85 | ! PRINT *,"buffer_pos",buffers(n)%pos |
---|
| 86 | ! PRINT *,"Message recu de taille", message_size |
---|
| 87 | ! PRINT *,"Message : ",buffers(n)%mpi_buffer(buffers(n)%pos:buffers(n)%pos+message_size-1) |
---|
| 88 | ! PRINT *,"Nouvelle taille buffer_pos",buffers(n)%pos |
---|
| 89 | ok_out=.FALSE. |
---|
| 90 | ELSE |
---|
| 91 | ok_out=.TRUE. |
---|
| 92 | ENDIF |
---|
| 93 | |
---|
| 94 | ELSE ! (.NOT. is_posted) |
---|
| 95 | ! PRINT *,"MPI_IPROBE" |
---|
| 96 | |
---|
| 97 | CALL MPI_IPROBE(client_rank(n),tag_iocomm,iocomm,ok_complete,status,ierr) |
---|
| 98 | ! PRINT *,"Ok_complete.. ?",ok_complete |
---|
| 99 | IF (ok_complete) THEN |
---|
| 100 | CALL MPI_GET_COUNT(status,MPI_INTEGER8,message_size,ierr) |
---|
| 101 | ! PRINT *,"message_size",message_size |
---|
| 102 | IF (buffers(n)%pos >= buffers(n)%begin) THEN |
---|
| 103 | IF (buffers(n)%pos+message_size>mpi_buffer_size) THEN |
---|
| 104 | buffer_space=buffers(n)%begin-1 |
---|
| 105 | ELSE |
---|
| 106 | buffer_space=mpi_buffer_size-buffers(n)%begin+1 |
---|
| 107 | ENDIF |
---|
| 108 | ELSE |
---|
| 109 | buffer_space=buffers(n)%begin-buffers(n)%pos |
---|
| 110 | ENDIF |
---|
| 111 | |
---|
[43] | 112 | IF (buffer_space < message_size .OR. buffers(n)%request_free<=max_request/2) THEN |
---|
[8] | 113 | ok_out=.TRUE. |
---|
| 114 | ! PRINT *,"BUFFER FULL !!!!" |
---|
| 115 | ! PRINT *,"buffer_space",buffer_space,"request_free",buffers(n)%request_free |
---|
| 116 | ! PRINT *,"buffer_pos",buffers(n)%pos,"buffer_begin",buffers(n)%begin |
---|
| 117 | ELSE |
---|
| 118 | |
---|
| 119 | IF (buffers(n)%pos+message_size>mpi_buffer_size) buffers(n)%pos=1 |
---|
| 120 | |
---|
| 121 | ! PRINT *,'reception du message' |
---|
| 122 | CALL MPI_IRECV(buffers(n)%mpi_buffer(buffers(n)%pos),message_size,MPI_INTEGER8, & |
---|
| 123 | client_rank(n),tag_iocomm,iocomm,buffers(n)%last_request,ierr) |
---|
| 124 | |
---|
| 125 | buffers(n)%is_posted=.TRUE. |
---|
| 126 | ! PRINT *,"MPI_IRECV LAST_REQUEST",buffers(n)%last_request |
---|
| 127 | CALL MPI_TEST(buffers(n)%last_request,ok_complete,status,ierr) |
---|
| 128 | ! PRINT *,"MPI_TEST LAST_REQUEST",buffers(n)%last_request,"ok_complete ?",ok_complete |
---|
| 129 | |
---|
| 130 | IF (ok_complete) THEN |
---|
| 131 | buffers(n)%is_posted=.FALSE. |
---|
| 132 | CALL Fill_request(n,Buffers(n)%pos,message_size) |
---|
| 133 | |
---|
| 134 | buffers(n)%pos=buffers(n)%pos+message_size |
---|
| 135 | |
---|
| 136 | ! PRINT *,"buffer_pos",buffers(n)%pos |
---|
| 137 | ! PRINT *,"Message recu de taille", message_size |
---|
| 138 | ! PRINT *,"Message : ",buffers(n)%mpi_buffer(buffers(n)%pos:buffers(n)%pos+message_size-1) |
---|
| 139 | ! PRINT *,"Nouvelle taille buffer_pos",buffers(n)%pos |
---|
| 140 | ok_out=.FALSE. |
---|
| 141 | ELSE |
---|
| 142 | ok_out=.TRUE. |
---|
| 143 | ENDIF |
---|
| 144 | |
---|
| 145 | ENDIF |
---|
| 146 | ELSE |
---|
| 147 | ok_out=.TRUE. |
---|
| 148 | ENDIF |
---|
| 149 | ENDIF ! (is_posted) |
---|
| 150 | ok_out=.TRUE. |
---|
| 151 | ENDDO |
---|
| 152 | ENDDO |
---|
| 153 | |
---|
| 154 | CALL VTe(VTcheck_buffer) |
---|
| 155 | |
---|
| 156 | END SUBROUTINE Check_buffer |
---|
| 157 | |
---|
| 158 | SUBROUTINE Fill_request(n,pos,message_size) |
---|
| 159 | USE mpi |
---|
| 160 | IMPLICIT NONE |
---|
| 161 | INTEGER :: n |
---|
| 162 | INTEGER :: pos |
---|
| 163 | INTEGER :: message_size |
---|
| 164 | INTEGER :: current_size |
---|
| 165 | INTEGER :: current_pos |
---|
| 166 | INTEGER :: total_size |
---|
| 167 | LOGICAL :: ok_out |
---|
| 168 | INTEGER :: ierr |
---|
| 169 | ! PRINT *,'Fill_request!!!' |
---|
| 170 | ! PRINT *,'Buffer_pos',pos |
---|
| 171 | ! PRINT *,"First integer",Buffers(n)%mpi_buffer(pos) |
---|
| 172 | total_size=0 |
---|
| 173 | current_pos=pos |
---|
| 174 | |
---|
| 175 | ok_out=.FALSE. |
---|
| 176 | DO WHILE (.NOT. ok_out) |
---|
| 177 | |
---|
| 178 | IF (Buffers(n)%request_free==0) THEN |
---|
| 179 | PRINT *,'Plus de requete disponible !!!!' |
---|
[17] | 180 | CALL MPI_ABORT(MPI_COMM_WORLD,-1,ierr) |
---|
[8] | 181 | ENDIF |
---|
| 182 | |
---|
| 183 | current_size=buffers(n)%mpi_buffer(current_pos) |
---|
| 184 | Buffers(n)%request(Buffers(n)%request_pos)%pos=current_pos+1 |
---|
| 185 | Buffers(n)%request(Buffers(n)%request_pos)%size=current_size |
---|
| 186 | total_size=total_size+current_size |
---|
| 187 | |
---|
| 188 | IF (Buffers(n)%request_pos==max_request) THEN |
---|
| 189 | Buffers(n)%request_pos=1 |
---|
| 190 | ELSE |
---|
| 191 | Buffers(n)%request_pos=Buffers(n)%request_pos+1 |
---|
| 192 | ENDIF |
---|
| 193 | Buffers(n)%request_free=Buffers(n)%request_free-1 |
---|
| 194 | Buffers(n)%nb_request=Buffers(n)%nb_request+1 |
---|
| 195 | |
---|
| 196 | IF (total_size==message_size) ok_out=.TRUE. |
---|
| 197 | IF (total_size>message_size) THEN |
---|
| 198 | PRINT *,"Probleme : la taille du message ne coincide pas avec la taille de l'enveloppe" |
---|
[17] | 199 | CALL MPI_ABORT(MPI_COMM_WORLD,-1,ierr) |
---|
[8] | 200 | ENDIF |
---|
| 201 | |
---|
| 202 | current_pos=current_pos+current_size |
---|
| 203 | ENDDO |
---|
| 204 | |
---|
| 205 | END SUBROUTINE Fill_request |
---|
| 206 | |
---|
| 207 | |
---|
| 208 | SUBROUTINE Process_request(is_terminated) |
---|
| 209 | USE mod_event_server |
---|
| 210 | USE mod_ioserver_para |
---|
| 211 | USE mod_pack |
---|
| 212 | USE mpitrace |
---|
| 213 | USE mod_wait |
---|
| 214 | IMPLICIT NONE |
---|
| 215 | LOGICAL :: is_terminated |
---|
| 216 | INTEGER :: n |
---|
| 217 | |
---|
| 218 | is_terminated=.FALSE. |
---|
| 219 | |
---|
| 220 | IF (ALL(buffers(:)%nb_request>0)) THEN |
---|
| 221 | DO n=1,nb_client |
---|
| 222 | ! PRINT *,"nb_request ?",buffers(n)%nb_request |
---|
| 223 | IF ( (buffers(n)%nb_request > 0) .AND. (.NOT. buffers(n)%is_terminated)) THEN |
---|
| 224 | ! PRINT *,"request_pos",buffers(n)%request_begin |
---|
| 225 | ! PRINT *,"buffer_pos",buffers(n)%request(buffers(n)%request_begin)%pos |
---|
| 226 | CALL set_pack_buffer(buffers(n)%mpi_buffer,buffers(n)%request(buffers(n)%request_begin)%pos) |
---|
| 227 | CALL VTb(VTprocess_event) |
---|
| 228 | current_rank=n |
---|
| 229 | CALL process_event(n,buffers(n)%is_terminated) |
---|
| 230 | CALL VTe(VTprocess_event) |
---|
| 231 | buffers(n)%nb_request=buffers(n)%nb_request-1 |
---|
| 232 | buffers(n)%request_free=buffers(n)%request_free+1 |
---|
| 233 | |
---|
| 234 | |
---|
| 235 | IF (Buffers(n)%request_begin==max_request) THEN |
---|
| 236 | Buffers(n)%request_begin=1 |
---|
| 237 | ELSE |
---|
| 238 | buffers(n)%request_begin=Buffers(n)%request_begin+1 |
---|
| 239 | ENDIF |
---|
| 240 | |
---|
| 241 | IF (buffers(n)%nb_request > 0) THEN |
---|
| 242 | buffers(n)%begin=buffers(n)%request(buffers(n)%request_begin)%pos |
---|
| 243 | ELSE |
---|
| 244 | buffers(n)%begin=buffers(n)%pos |
---|
| 245 | ENDIF |
---|
| 246 | ENDIF |
---|
| 247 | ENDDO |
---|
| 248 | |
---|
| 249 | ! PRINT *,"buffers_is_terminated",buffers(1:nb_client)%is_terminated |
---|
| 250 | ! PRINT *,"buffers_nb_request",buffers(1:nb_client)%nb_request |
---|
| 251 | IF (ALL(buffers(1:nb_client)%is_terminated)) THEN |
---|
| 252 | IF (ALL(buffers(1:nb_client)%nb_request==0)) THEN |
---|
| 253 | is_terminated=.TRUE. |
---|
| 254 | ENDIF |
---|
| 255 | ENDIF |
---|
| 256 | ELSE |
---|
[17] | 257 | CALL Wait_us(5) |
---|
[8] | 258 | ENDIF |
---|
| 259 | END SUBROUTINE process_request |
---|
| 260 | |
---|
| 261 | |
---|
| 262 | END MODULE mod_mpi_buffer_server |
---|