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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