1 | MODULE mod_orchidee_ensemble |
---|
2 | |
---|
3 | LOGICAL,SAVE :: ensemble_management ! true if ensemble is managed |
---|
4 | ! that's mean one additionnal dimension is added to output |
---|
5 | INTEGER,SAVE :: COMM_ORCHIDEE_ENSEMBLE ! MPI communicator for the ensemble pool |
---|
6 | INTEGER,SAVE :: whole_ensemble_size ! number of members in whole ensemble |
---|
7 | INTEGER,SAVE :: whole_ensemble_rank ! local member number in whole ensemble |
---|
8 | |
---|
9 | |
---|
10 | CONTAINS |
---|
11 | |
---|
12 | SUBROUTINE init_orchidee_ensemble(ensemble_communicator, member_communicator) |
---|
13 | USE ioipsl |
---|
14 | USE mod_orchidee_para_var |
---|
15 | IMPLICIT NONE |
---|
16 | INTEGER, INTENT(IN) :: ensemble_communicator ! communicator of pool ensemble |
---|
17 | INTEGER, INTENT(OUT) :: member_communicator ! returned communicator for local member |
---|
18 | INTEGER :: ensemble_comm_size |
---|
19 | INTEGER :: ensemble_comm_rank |
---|
20 | INTEGER :: ensemble_pool_rank |
---|
21 | INTEGER :: ensemble_pool_size |
---|
22 | INTEGER :: member_size |
---|
23 | INTEGER :: ensemble_rank |
---|
24 | INTEGER :: ierr |
---|
25 | |
---|
26 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
27 | !! SPLIT COMMUNICATOR FOR ENSEMBLE !!! |
---|
28 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
29 | PRINT*,"initialize ensemble" |
---|
30 | COMM_ORCHIDEE_ENSEMBLE = ensemble_communicator |
---|
31 | ensemble_pool_size = 1 |
---|
32 | CALL getin("ensemble_pool_size", ensemble_pool_size) |
---|
33 | whole_ensemble_size=ensemble_pool_size |
---|
34 | CALL getin("whole_ensemble_size", whole_ensemble_size) |
---|
35 | ensemble_management=.FALSE. |
---|
36 | IF (whole_ensemble_size==1) ensemble_management=.TRUE. |
---|
37 | ensemble_pool_rank=0 |
---|
38 | CALL getin("ensemble_pool_rank", ensemble_pool_rank) |
---|
39 | |
---|
40 | CALL MPI_COMM_SIZE(COMM_ORCHIDEE_ENSEMBLE,ensemble_comm_size,ierr) |
---|
41 | CALL MPI_COMM_RANK(COMM_ORCHIDEE_ENSEMBLE,ensemble_comm_rank,ierr) |
---|
42 | PRINT*,ensemble_comm_size,ensemble_comm_rank |
---|
43 | IF (MOD(ensemble_comm_size,ensemble_pool_size)/=0) THEN |
---|
44 | WRITE(numout,*) 'init_orchidee_ensemble : Nb of MPI processes in whole ensemble is not divisible by the size of ensemble' |
---|
45 | STOP 'init_orchidee_ensemble' |
---|
46 | ENDIF |
---|
47 | member_size = ensemble_comm_size/ensemble_pool_size |
---|
48 | ensemble_rank = ensemble_comm_rank/member_size |
---|
49 | CALL MPI_COMM_SPLIT(COMM_ORCHIDEE_ENSEMBLE, ensemble_rank, ensemble_comm_rank, member_communicator,ierr) |
---|
50 | whole_ensemble_rank = ensemble_pool_rank*ensemble_pool_size + ensemble_rank |
---|
51 | |
---|
52 | END SUBROUTINE init_orchidee_ensemble |
---|
53 | |
---|
54 | |
---|
55 | END MODULE mod_orchidee_ensemble |
---|