1 | MODULE box_grid |
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2 | |
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3 | INTEGER, PARAMETER :: nb_grid_max=100 |
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4 | INTEGER :: nb_grid=0 |
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5 | |
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6 | TYPE domain |
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7 | INTEGER :: ni |
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8 | INTEGER :: nj |
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9 | INTEGER :: ibegin |
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10 | INTEGER :: iend |
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11 | INTEGER :: jbegin |
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12 | INTEGER :: jend |
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13 | REAL,POINTER :: lon(:,:) |
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14 | REAL,POINTER :: lat(:,:) |
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15 | END TYPE domain |
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16 | |
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17 | TYPE grid |
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18 | TYPE(domain) :: local_domain |
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19 | TYPE(domain),POINTER :: task_domain(:) |
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20 | INTEGER :: ni |
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21 | INTEGER :: nj |
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22 | INTEGER :: nb_task |
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23 | END TYPE grid |
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24 | |
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25 | TYPE(grid),SAVE,TARGET :: grids(nb_grid_max) |
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26 | |
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27 | INTEGER,SAVE :: max_ni |
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28 | INTEGER,SAVE :: max_nj |
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29 | INTEGER,SAVE :: max_vert_size = 100 |
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30 | REAL,SAVE,ALLOCATABLE :: Field_buffer(:,:,:) |
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31 | |
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32 | CONTAINS |
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33 | |
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34 | SUBROUTINE create_new_grid(ni_glo,nj_glo,nb_task,id) |
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35 | IMPLICIT NONE |
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36 | INTEGER,INTENT(IN) :: ni_glo |
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37 | INTEGER,INTENT(IN) :: nj_glo |
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38 | INTEGER,INTENT(IN) :: nb_task |
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39 | INTEGER,INTENT(OUT) :: id |
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40 | |
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41 | nb_grid=nb_grid+1 |
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42 | id=nb_grid |
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43 | |
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44 | grids(id)%ni=ni_glo |
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45 | grids(id)%nj=nj_glo |
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46 | grids(id)%nb_task=nb_task |
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47 | |
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48 | ALLOCATE(grids(id)%task_domain(nb_task)) |
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49 | |
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50 | END SUBROUTINE create_new_grid |
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51 | |
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52 | SUBROUTINE Init_task_domain(id,task,ni,nj,ibegin,jbegin,lon,lat) |
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53 | IMPLICIT NONE |
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54 | INTEGER, INTENT(IN) :: id |
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55 | INTEGER, INTENT(IN) :: task |
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56 | INTEGER, INTENT(IN) :: ni |
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57 | INTEGER, INTENT(IN) :: nj |
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58 | INTEGER, INTENT(IN) :: ibegin |
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59 | INTEGER, INTENT(IN) :: jbegin |
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60 | REAL, INTENT(IN) :: lon(ni,nj) |
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61 | REAL, INTENT(IN) :: lat(ni,nj) |
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62 | |
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63 | TYPE(domain), POINTER :: Pt_dom |
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64 | |
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65 | Pt_dom=>grids(id)%task_domain(task) |
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66 | |
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67 | Pt_dom%ni=ni |
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68 | Pt_dom%nj=nj |
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69 | Pt_dom%ibegin=ibegin |
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70 | Pt_dom%jbegin=jbegin |
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71 | Pt_dom%iend=ibegin+ni-1 |
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72 | Pt_dom%jend=jbegin+nj-1 |
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73 | ALLOCATE(Pt_dom%lon(ni,nj)) |
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74 | ALLOCATE(Pt_dom%lat(ni,nj)) |
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75 | Pt_dom%lon(:,:)=lon(:,:) |
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76 | Pt_dom%lat(:,:)=lat(:,:) |
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77 | |
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78 | END SUBROUTINE Init_task_domain |
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79 | |
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80 | |
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81 | SUBROUTINE Init_grids |
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82 | IMPLICIT NONE |
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83 | INTEGER :: rank |
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84 | INTEGER :: ib,ie,jb,je |
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85 | TYPE(grid),POINTER :: Pt_grid |
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86 | TYPE(domain),POINTER :: local_domain |
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87 | TYPE(domain),POINTER :: task_domain(:) |
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88 | INTEGER :: id |
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89 | |
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90 | max_ni=0 |
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91 | max_nj=0 |
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92 | |
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93 | DO id=1,nb_grid |
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94 | pt_grid=>grids(id) |
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95 | local_domain=>pt_grid%local_domain |
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96 | task_domain=>pt_grid%task_domain |
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97 | |
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98 | local_domain%ibegin=task_domain(1)%ibegin |
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99 | local_domain%iend=task_domain(1)%iend |
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100 | local_domain%jbegin=task_domain(1)%jbegin |
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101 | local_domain%jend=task_domain(1)%jend |
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102 | |
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103 | DO rank=1,pt_grid%nb_task |
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104 | IF (task_domain(rank)%ibegin < local_domain%ibegin) local_domain%ibegin = task_domain(rank)%ibegin |
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105 | IF (task_domain(rank)%iend > local_domain%iend ) local_domain%iend = task_domain(rank)%iend |
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106 | IF (task_domain(rank)%jbegin < local_domain%jbegin) local_domain%jbegin = task_domain(rank)%jbegin |
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107 | IF (task_domain(rank)%jend > local_domain%jend ) local_domain%jend = task_domain(rank)%jend |
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108 | ENDDO |
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109 | |
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110 | local_domain%ni = local_domain%iend-local_domain%ibegin+1 |
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111 | local_domain%nj = local_domain%jend-local_domain%jbegin+1 |
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112 | ALLOCATE(local_domain%lon(local_domain%ni,local_domain%nj)) |
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113 | ALLOCATE(local_domain%lat(local_domain%ni,local_domain%nj)) |
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114 | |
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115 | DO rank=1,pt_grid%nb_task |
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116 | ib=task_domain(rank)%ibegin-local_domain%ibegin+1 |
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117 | ie=task_domain(rank)%iend-local_domain%ibegin+1 |
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118 | jb=task_domain(rank)%jbegin-local_domain%jbegin+1 |
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119 | je=task_domain(rank)%jend-local_domain%jbegin+1 |
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120 | |
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121 | task_domain(rank)%ibegin=ib |
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122 | task_domain(rank)%iend=ie |
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123 | task_domain(rank)%jbegin=jb |
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124 | task_domain(rank)%jend=je |
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125 | |
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126 | local_domain%lon(ib:ie,jb:je)=task_domain(rank)%lon(:,:) |
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127 | local_domain%lat(ib:ie,jb:je)=task_domain(rank)%lat(:,:) |
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128 | ENDDO |
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129 | |
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130 | IF (local_domain%ni > max_ni) max_ni=local_domain%ni |
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131 | IF (local_domain%nj > max_nj) max_nj=local_domain%nj |
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132 | ENDDO |
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133 | |
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134 | ALLOCATE(field_buffer(max_ni,max_nj,max_vert_size)) |
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135 | |
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136 | END SUBROUTINE Init_grids |
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137 | |
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138 | SUBROUTINE bufferize_field2d(field,id,task) |
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139 | IMPLICIT NONE |
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140 | REAL,INTENT(IN) :: field(:,:) |
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141 | INTEGER,INTENT(IN) :: id |
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142 | INTEGER,INTENT(IN) :: task |
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143 | TYPE(domain), POINTER :: Pt |
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144 | |
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145 | Pt=>grids(id)%task_domain(task) |
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146 | field_buffer(Pt%ibegin:Pt%iend,Pt%jbegin:Pt%jend,1)=field(:,:) |
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147 | |
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148 | END SUBROUTINE bufferize_field2d |
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149 | |
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150 | |
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151 | SUBROUTINE bufferize_field3d(field,id,task) |
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152 | IMPLICIT NONE |
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153 | REAL,INTENT(IN) :: field(:,:,:) |
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154 | INTEGER,INTENT(IN) :: id |
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155 | INTEGER,INTENT(IN) :: task |
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156 | TYPE(domain), POINTER :: Pt |
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157 | |
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158 | Pt=>grids(id)%task_domain(task) |
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159 | |
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160 | IF (size(field,3)>max_vert_size) THEN |
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161 | DEALLOCATE(field_buffer) |
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162 | max_vert_size=max_vert_size*2 |
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163 | ALLOCATE(field_buffer(max_ni,max_nj,max_vert_size)) |
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164 | ENDIF |
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165 | |
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166 | field_buffer(Pt%ibegin:Pt%iend,Pt%jbegin:Pt%jend,1:size(field,3))=field(:,:,:) |
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167 | |
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168 | END SUBROUTINE bufferize_field3d |
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169 | |
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170 | END MODULE box_grid |
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