1 | MODULE mpipara |
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2 | |
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3 | INTEGER,SAVE :: mpi_rank |
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4 | INTEGER,SAVE :: mpi_size |
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5 | INTEGER,SAVE :: mpi_threading_mode |
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6 | |
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7 | INTEGER,SAVE :: comm_icosa |
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8 | INTEGER,SAVE :: ierr |
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9 | LOGICAL,SAVE :: using_mpi |
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10 | LOGICAL,SAVE :: is_mpi_root |
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11 | |
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12 | INTERFACE allocate_mpi_buffer |
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13 | MODULE PROCEDURE allocate_mpi_buffer_r2, allocate_mpi_buffer_r3,allocate_mpi_buffer_r4 |
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14 | END INTERFACE allocate_mpi_buffer |
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15 | |
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16 | INTERFACE free_mpi_buffer |
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17 | MODULE PROCEDURE free_mpi_buffer_r2, free_mpi_buffer_r3, free_mpi_buffer_r4 |
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18 | END INTERFACE free_mpi_buffer |
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19 | |
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20 | CONTAINS |
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21 | |
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22 | SUBROUTINE init_mpipara |
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23 | USE mpi_mod |
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24 | USE getin_mod |
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25 | #ifdef CPP_USING_XIOS |
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26 | USE xios |
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27 | #endif |
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28 | IMPLICIT NONE |
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29 | CHARACTER(LEN=256) :: required_mode_str |
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30 | INTEGER :: required_mode |
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31 | |
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32 | using_mpi=.FALSE. |
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33 | #ifdef CPP_USING_MPI |
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34 | using_mpi=.TRUE. |
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35 | #endif |
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36 | |
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37 | IF (using_mpi) THEN |
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38 | |
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39 | required_mode_str='multiple' |
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40 | CALL getin('mpi_threading_mode',required_mode_str) |
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41 | |
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42 | SELECT CASE(TRIM(required_mode_str)) |
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43 | CASE ('single') |
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44 | required_mode=MPI_THREAD_SINGLE |
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45 | CASE ('funneled') |
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46 | required_mode=MPI_THREAD_FUNNELED |
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47 | CASE ('serialized') |
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48 | required_mode=MPI_THREAD_SERIALIZED |
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49 | CASE ('multiple') |
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50 | required_mode=MPI_THREAD_MULTIPLE |
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51 | CASE DEFAULT |
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52 | PRINT*,'Bad selector for variable mpi_threading_mode : <', TRIM(required_mode_str), & |
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53 | '> => options are <single>, <funneled>, <serialized>, <multiple>' |
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54 | STOP |
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55 | END SELECT |
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56 | |
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57 | |
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58 | IF (required_mode==MPI_THREAD_SINGLE) PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD required' |
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59 | IF (required_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED required' |
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60 | IF (required_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED required' |
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61 | IF (required_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE required' |
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62 | |
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63 | |
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64 | CALL MPI_INIT_THREAD(MPI_THREAD_MULTIPLE,mpi_threading_mode,ierr) |
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65 | |
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66 | IF (mpi_threading_mode==MPI_THREAD_SINGLE) PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD provided' |
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67 | IF (mpi_threading_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED provided' |
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68 | IF (mpi_threading_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED provided' |
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69 | IF (mpi_threading_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE provided' |
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70 | |
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71 | IF (mpi_threading_mode > required_mode) mpi_threading_mode=required_mode |
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72 | |
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73 | IF (mpi_threading_mode==MPI_THREAD_SINGLE) THEN |
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74 | PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD used : Warning : openMP is not garanted to work' |
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75 | ENDIF |
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76 | IF (mpi_threading_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED used' |
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77 | IF (mpi_threading_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED used' |
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78 | IF (mpi_threading_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE used' |
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79 | |
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80 | #ifdef CPP_USING_XIOS |
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81 | CALL xios_initialize("icosagcm",return_comm=comm_icosa) |
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82 | #else |
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83 | comm_icosa=MPI_COMM_WORLD |
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84 | #endif |
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85 | CALL MPI_COMM_SIZE(comm_icosa,mpi_size,ierr) |
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86 | CALL MPI_COMM_RANK(comm_icosa,mpi_rank,ierr) |
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87 | PRINT *, 'MPI Process ', mpi_rank, '/', mpi_size |
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88 | ELSE |
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89 | comm_icosa=-1 |
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90 | mpi_size=1 |
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91 | mpi_rank=0 |
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92 | ENDIF |
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93 | |
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94 | IF (mpi_rank==0) THEN |
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95 | is_mpi_root=.TRUE. |
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96 | ELSE |
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97 | is_mpi_root=.FALSE. |
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98 | ENDIF |
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99 | |
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100 | END SUBROUTINE init_mpipara |
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101 | |
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102 | SUBROUTINE finalize_mpipara |
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103 | USE mpi_mod |
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104 | IMPLICIT NONE |
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105 | |
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106 | IF (using_mpi) CALL MPI_FINALIZE(ierr) |
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107 | |
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108 | END SUBROUTINE finalize_mpipara |
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109 | |
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110 | |
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111 | SUBROUTINE allocate_mpi_buffer_r2(buffer,length) |
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112 | USE ISO_C_BINDING |
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113 | USE mpi_mod |
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114 | USE prec |
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115 | IMPLICIT NONE |
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116 | REAL(rstd), POINTER :: buffer(:) |
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117 | INTEGER,INTENT(IN) :: length |
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118 | |
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119 | TYPE(C_PTR) :: base_ptr |
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120 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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121 | INTEGER :: real_size,ierr |
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122 | |
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123 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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124 | size=length*real_size |
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125 | |
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126 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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127 | CALL C_F_POINTER(base_ptr, buffer, (/ length /)) |
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128 | |
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129 | END SUBROUTINE allocate_mpi_buffer_r2 |
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130 | |
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131 | SUBROUTINE free_mpi_buffer_r2(buffer) |
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132 | USE ISO_C_BINDING |
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133 | USE mpi_mod |
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134 | USE prec |
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135 | IMPLICIT NONE |
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136 | REAL(rstd), POINTER :: buffer(:) |
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137 | |
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138 | CALL MPI_FREE_MEM(buffer,ierr) |
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139 | |
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140 | END SUBROUTINE free_mpi_buffer_r2 |
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141 | |
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142 | SUBROUTINE allocate_mpi_buffer_r3(buffer,length,dim3) |
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143 | USE ISO_C_BINDING |
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144 | USE mpi_mod |
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145 | USE prec |
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146 | IMPLICIT NONE |
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147 | REAL(rstd), POINTER :: buffer(:,:) |
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148 | INTEGER,INTENT(IN) :: length |
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149 | INTEGER,INTENT(IN) :: dim3 |
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150 | |
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151 | TYPE(C_PTR) :: base_ptr |
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152 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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153 | INTEGER :: real_size,ierr |
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154 | |
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155 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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156 | size=length*real_size*dim3 |
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157 | |
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158 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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159 | CALL C_F_POINTER(base_ptr, buffer, (/ length,dim3 /)) |
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160 | |
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161 | END SUBROUTINE allocate_mpi_buffer_r3 |
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162 | |
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163 | SUBROUTINE free_mpi_buffer_r3(buffer) |
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164 | USE ISO_C_BINDING |
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165 | USE mpi_mod |
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166 | USE prec |
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167 | IMPLICIT NONE |
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168 | REAL(rstd), POINTER :: buffer(:,:) |
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169 | |
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170 | CALL MPI_FREE_MEM(buffer,ierr) |
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171 | |
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172 | END SUBROUTINE free_mpi_buffer_r3 |
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173 | |
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174 | SUBROUTINE allocate_mpi_buffer_r4(buffer,length,dim3,dim4) |
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175 | USE ISO_C_BINDING |
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176 | USE mpi_mod |
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177 | USE prec |
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178 | IMPLICIT NONE |
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179 | REAL(rstd), POINTER :: buffer(:,:,:) |
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180 | INTEGER,INTENT(IN) :: length |
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181 | INTEGER,INTENT(IN) :: dim3 |
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182 | INTEGER,INTENT(IN) :: dim4 |
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183 | |
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184 | TYPE(C_PTR) :: base_ptr |
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185 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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186 | INTEGER :: real_size,ierr |
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187 | |
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188 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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189 | size=length*real_size*dim3*dim4 |
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190 | |
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191 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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192 | CALL C_F_POINTER(base_ptr, buffer, (/ length, dim3, dim4 /)) |
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193 | |
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194 | END SUBROUTINE allocate_mpi_buffer_r4 |
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195 | |
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196 | SUBROUTINE free_mpi_buffer_r4(buffer) |
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197 | USE ISO_C_BINDING |
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198 | USE mpi_mod |
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199 | USE prec |
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200 | IMPLICIT NONE |
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201 | REAL(rstd), POINTER :: buffer(:,:,:) |
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202 | |
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203 | CALL MPI_FREE_MEM(buffer,ierr) |
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204 | |
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205 | END SUBROUTINE free_mpi_buffer_r4 |
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206 | |
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207 | END MODULE mpipara |
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