[2131] | 1 | PROGRAM test_tiled_domain |
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| 2 | |
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| 3 | USE xios |
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| 4 | USE mod_wait |
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| 5 | IMPLICIT NONE |
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| 6 | INCLUDE "mpif.h" |
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| 7 | INTEGER :: rank |
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| 8 | INTEGER :: size |
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| 9 | INTEGER :: ierr |
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| 10 | |
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| 11 | CHARACTER(len=*),PARAMETER :: id="client" |
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| 12 | INTEGER :: comm |
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| 13 | TYPE(xios_duration) :: dtime |
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| 14 | CHARACTER(len=20) :: dtime_str |
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| 15 | TYPE(xios_date) :: date |
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| 16 | CHARACTER(len=20) :: date_str |
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| 17 | CHARACTER(len=15) :: calendar_type |
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| 18 | TYPE(xios_context) :: ctx_hdl |
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| 19 | INTEGER,PARAMETER :: ni_glo=10!100 |
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| 20 | INTEGER,PARAMETER :: nj_glo=10!100 |
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| 21 | INTEGER,PARAMETER :: llm=5 |
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| 22 | DOUBLE PRECISION :: lval(llm)=1, scalar = 5 |
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| 23 | |
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| 24 | integer, parameter :: ntiles=2 |
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| 25 | integer, dimension (ntiles) :: tile_ni, tile_nj, tile_ibegin, tile_jbegin |
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| 26 | integer, dimension (ntiles) :: tile_data_ni, tile_data_nj, tile_data_ibegin, tile_data_jbegin |
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| 27 | |
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| 28 | TYPE(xios_field) :: field_hdl |
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| 29 | TYPE(xios_fieldgroup) :: fieldgroup_hdl |
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| 30 | TYPE(xios_file) :: file_hdl |
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| 31 | LOGICAL :: ok |
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| 32 | |
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| 33 | DOUBLE PRECISION,DIMENSION(ni_glo,nj_glo) :: lon_glo,lat_glo |
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| 34 | DOUBLE PRECISION :: field_3d_glo(ni_glo,nj_glo,llm) |
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| 35 | DOUBLE PRECISION,ALLOCATABLE :: field_3d(:,:,:) |
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| 36 | DOUBLE PRECISION,ALLOCATABLE :: field_3d_tile(:,:,:) |
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| 37 | INTEGER :: ni,ibegin,iend,nj,jbegin,jend |
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| 38 | INTEGER :: i,j,l,ts,n |
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| 39 | INTEGER :: ioffset, joffset |
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| 40 | |
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| 41 | namelist /tile_data_def/ ioffset, joffset |
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| 42 | |
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| 43 | !!! MPI Initialization |
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| 44 | |
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| 45 | CALL MPI_INIT(ierr) |
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| 46 | |
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| 47 | CALL init_wait |
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| 48 | |
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| 49 | !!! XIOS Initialization (get the local communicator) |
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| 50 | |
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| 51 | CALL xios_initialize(id,return_comm=comm) |
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| 52 | |
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| 53 | CALL MPI_COMM_RANK(comm,rank,ierr) |
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| 54 | CALL MPI_COMM_SIZE(comm,size,ierr) |
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| 55 | |
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| 56 | !!! Fill in global data array |
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| 57 | |
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| 58 | DO l=1,llm |
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| 59 | DO j=1,nj_glo |
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| 60 | DO i=1,ni_glo |
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| 61 | field_3d_glo(i,j,l)=(l-1)*ni_glo*nj_glo+(j-1)*ni_glo+(i-1) |
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| 62 | ENDDO |
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| 63 | ENDDO |
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| 64 | ENDDO |
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| 65 | ni=ni_glo ; ibegin=0 |
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| 66 | |
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| 67 | !!! MPI domain decomposition |
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| 68 | |
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| 69 | jbegin=0 |
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| 70 | DO n=0,size-1 |
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| 71 | nj=nj_glo/size |
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| 72 | IF (n<MOD(nj_glo,size)) nj=nj+1 |
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| 73 | IF (n==rank) exit |
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| 74 | jbegin=jbegin+nj |
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| 75 | ENDDO |
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| 76 | |
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| 77 | iend=ibegin+ni-1 ; jend=jbegin+nj-1 |
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| 78 | |
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| 79 | !!! Fill in local data array |
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| 80 | |
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| 81 | ALLOCATE(field_3d(ni,nj,llm)) |
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| 82 | field_3d(1:ni,1:nj,:)=field_3d_glo(ibegin+1:iend+1,jbegin+1:jend+1,:) |
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| 83 | |
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| 84 | !!! Tile domain decomposition |
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| 85 | tile_ni(:)=ni |
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| 86 | tile_ibegin(:)=0 |
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| 87 | tile_jbegin(1)=0 |
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| 88 | do n=0,ntiles-1 |
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| 89 | tile_nj(n+1)=nj/ntiles |
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| 90 | if (n<MOD(nj,ntiles)) tile_nj(n+1)=tile_nj(n+1)+1 |
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| 91 | enddo |
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| 92 | |
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| 93 | do n=2,ntiles |
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| 94 | tile_jbegin(n)=tile_jbegin(n-1)+tile_nj(n-1) |
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| 95 | enddo |
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| 96 | |
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| 97 | !!! Define tile data size |
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| 98 | |
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| 99 | open(10,file='tile_data_def.nml') |
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| 100 | read(10,nml=tile_data_def) |
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| 101 | close(10) |
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| 102 | |
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| 103 | ! Option 1: data correspond in size to a tile |
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| 104 | if (ioffset == 0) then |
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| 105 | tile_data_ni(:)=tile_ni(:) |
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| 106 | tile_data_nj(:)=tile_nj(:) |
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| 107 | tile_data_ibegin(:)=0 |
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| 108 | tile_data_jbegin(:)=0 |
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| 109 | |
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| 110 | ! Option 2: masked data |
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| 111 | else if (ioffset > 0) then |
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| 112 | do n=1,ntiles |
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| 113 | tile_data_ni(n)=tile_ni(n)-ioffset*2 |
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| 114 | tile_data_nj(n)=tile_nj(n)-joffset*2 |
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| 115 | enddo |
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| 116 | tile_data_ibegin(:)=ioffset |
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| 117 | tile_data_jbegin(:)=joffset |
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| 118 | |
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| 119 | ! Option 3: data contain ghost zones |
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| 120 | else |
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| 121 | do n=1,ntiles |
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| 122 | tile_data_ni(n)=tile_ni(n)+abs(ioffset)*2 |
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| 123 | tile_data_nj(n)=tile_nj(n)+abs(joffset)*2 |
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| 124 | enddo |
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| 125 | tile_data_ibegin(:)=ioffset |
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| 126 | tile_data_jbegin(:)=joffset |
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| 127 | endif |
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| 128 | |
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| 129 | CALL xios_context_initialize("test",comm) |
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| 130 | CALL xios_get_handle("test",ctx_hdl) |
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| 131 | CALL xios_set_current_context(ctx_hdl) |
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| 132 | |
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| 133 | CALL xios_set_axis_attr("axis",n_glo=llm ,value=lval) ; |
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| 134 | CALL xios_set_domain_attr("domain",ni_glo=ni_glo, nj_glo=nj_glo, ibegin=ibegin, ni=ni,jbegin=jbegin,nj=nj,type='curvilinear') |
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| 135 | CALL xios_set_domain_attr("domain",ntiles=ntiles, tile_ni=tile_ni, tile_nj=tile_nj, tile_ibegin=tile_ibegin, tile_jbegin=tile_jbegin) |
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| 136 | CALL xios_set_domain_attr("domain",tile_data_ni=tile_data_ni,tile_data_nj=tile_data_nj) |
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| 137 | CALL xios_set_domain_attr("domain",tile_data_ibegin=tile_data_ibegin,tile_data_jbegin=tile_data_jbegin) |
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| 138 | |
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| 139 | dtime%second = 3600 |
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| 140 | CALL xios_set_timestep(dtime) |
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| 141 | |
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| 142 | ! The calendar is created as soon as the calendar type is defined. This way |
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| 143 | ! calendar operations can be used before the context definition is closed |
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| 144 | dtime%timestep = 1 |
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| 145 | dtime = 0.5 * dtime |
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| 146 | |
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| 147 | CALL xios_close_context_definition() |
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| 148 | PRINT *,"close context definition: ok " |
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| 149 | |
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| 150 | DO ts=1,10 |
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| 151 | CALL xios_update_calendar(ts) |
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| 152 | |
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| 153 | do n=1,ntiles |
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| 154 | ALLOCATE(field_3d_tile(tile_data_ibegin(n):tile_data_ibegin(n)+tile_data_ni(n)-1,& |
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| 155 | tile_data_jbegin(n):tile_data_jbegin(n)+tile_data_nj(n)-1,llm)) |
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| 156 | |
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| 157 | if (ioffset == 0) then |
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| 158 | ! Option 1: data correspond in size to a tile |
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| 159 | field_3d_tile(:,:,:)=field_3d(tile_ibegin(n)+1:tile_ibegin(n)+1+tile_ni(n),& |
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| 160 | tile_jbegin(n)+1:tile_jbegin(n)+1+tile_nj(n),:) |
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| 161 | |
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| 162 | else if (ioffset > 0) then |
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| 163 | ! Option 2: masked data |
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| 164 | field_3d_tile(:,:,:)=field_3d(tile_ibegin(n)+1:tile_ibegin(n)+1+tile_ni(n),& |
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| 165 | tile_jbegin(n)+1:tile_jbegin(n)+1+tile_nj(n),:) |
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| 166 | |
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| 167 | else |
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| 168 | ! Option 3: data contain ghost zones |
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| 169 | field_3d_tile(:,:,:)=2.0 |
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| 170 | field_3d_tile(0:tile_ni(n)-1, 0:tile_nj(n)-1,:)=& |
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| 171 | field_3d(tile_ibegin(n)+1:tile_ibegin(n)+tile_ni(n),& |
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| 172 | tile_jbegin(n)+1:tile_jbegin(n)+tile_nj(n),:) |
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| 173 | end if |
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| 174 | |
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| 175 | CALL xios_send_field("field_3d",field_3d_tile,n-1) |
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| 176 | DEALLOCATE(field_3d_tile) |
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| 177 | enddo |
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| 178 | |
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| 179 | CALL wait_us(5000) ; |
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| 180 | ENDDO |
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| 181 | |
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| 182 | CALL xios_context_finalize() |
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| 183 | |
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| 184 | DEALLOCATE(field_3d) |
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| 185 | |
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| 186 | CALL MPI_COMM_FREE(comm, ierr) |
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| 187 | |
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| 188 | CALL xios_finalize() |
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| 189 | |
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| 190 | CALL MPI_FINALIZE(ierr) |
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| 191 | |
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| 192 | END PROGRAM test_tiled_domain |
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| 193 | |
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| 194 | |
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| 195 | |
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| 196 | |
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| 197 | |
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