[221] | 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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[261] | 11 | LOGICAL,SAVE :: is_mpi_master |
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| 12 | LOGICAL,SAVE :: mpi_master |
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[221] | 13 | |
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[261] | 14 | |
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[221] | 15 | INTERFACE allocate_mpi_buffer |
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| 16 | MODULE PROCEDURE allocate_mpi_buffer_r2, allocate_mpi_buffer_r3,allocate_mpi_buffer_r4 |
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| 17 | END INTERFACE allocate_mpi_buffer |
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| 18 | |
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| 19 | INTERFACE free_mpi_buffer |
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| 20 | MODULE PROCEDURE free_mpi_buffer_r2, free_mpi_buffer_r3, free_mpi_buffer_r4 |
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| 21 | END INTERFACE free_mpi_buffer |
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| 22 | |
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[267] | 23 | PRIVATE :: getin |
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| 24 | |
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[221] | 25 | CONTAINS |
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| 26 | |
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[267] | 27 | SUBROUTINE getin(name,value) ! Copied from getin.f90 to avoid circular dependency |
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| 28 | USE ioipsl, ONLY : getin_=>getin |
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| 29 | USE transfert_omp_mod |
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| 30 | USE omp_para |
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| 31 | IMPLICIT NONE |
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| 32 | CHARACTER(LEN=*) :: name |
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| 33 | CHARACTER(LEN=*) :: value |
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| 34 | |
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| 35 | !$OMP MASTER |
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| 36 | CALL getin_(name,value) |
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| 37 | IF(is_mpi_root) PRINT *,'GETIN ',TRIM(name),' = ', TRIM(value) |
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| 38 | !$OMP END MASTER |
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| 39 | IF (omp_in_parallel()) CALL bcast_omp(value) |
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| 40 | END SUBROUTINE getin |
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| 41 | |
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[221] | 42 | SUBROUTINE init_mpipara |
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| 43 | USE mpi_mod |
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| 44 | #ifdef CPP_USING_XIOS |
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| 45 | USE xios |
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| 46 | #endif |
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| 47 | IMPLICIT NONE |
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| 48 | CHARACTER(LEN=256) :: required_mode_str |
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| 49 | INTEGER :: required_mode |
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| 50 | |
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| 51 | using_mpi=.FALSE. |
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| 52 | #ifdef CPP_USING_MPI |
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| 53 | using_mpi=.TRUE. |
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| 54 | #endif |
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| 55 | |
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| 56 | IF (using_mpi) THEN |
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| 57 | |
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| 58 | required_mode_str='multiple' |
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| 59 | CALL getin('mpi_threading_mode',required_mode_str) |
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| 60 | |
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| 61 | SELECT CASE(TRIM(required_mode_str)) |
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| 62 | CASE ('single') |
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| 63 | required_mode=MPI_THREAD_SINGLE |
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| 64 | CASE ('funneled') |
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| 65 | required_mode=MPI_THREAD_FUNNELED |
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| 66 | CASE ('serialized') |
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| 67 | required_mode=MPI_THREAD_SERIALIZED |
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| 68 | CASE ('multiple') |
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| 69 | required_mode=MPI_THREAD_MULTIPLE |
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| 70 | CASE DEFAULT |
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| 71 | PRINT*,'Bad selector for variable mpi_threading_mode : <', TRIM(required_mode_str), & |
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| 72 | '> => options are <single>, <funneled>, <serialized>, <multiple>' |
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| 73 | STOP |
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| 74 | END SELECT |
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| 75 | |
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| 76 | |
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| 77 | IF (required_mode==MPI_THREAD_SINGLE) PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD required' |
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| 78 | IF (required_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED required' |
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| 79 | IF (required_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED required' |
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| 80 | IF (required_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE required' |
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| 81 | |
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| 82 | |
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| 83 | CALL MPI_INIT_THREAD(MPI_THREAD_MULTIPLE,mpi_threading_mode,ierr) |
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| 84 | |
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| 85 | IF (mpi_threading_mode==MPI_THREAD_SINGLE) PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD provided' |
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| 86 | IF (mpi_threading_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED provided' |
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| 87 | IF (mpi_threading_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED provided' |
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| 88 | IF (mpi_threading_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE provided' |
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| 89 | |
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| 90 | IF (mpi_threading_mode > required_mode) mpi_threading_mode=required_mode |
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| 91 | |
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| 92 | IF (mpi_threading_mode==MPI_THREAD_SINGLE) THEN |
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| 93 | PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD used : Warning : openMP is not garanted to work' |
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| 94 | ENDIF |
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| 95 | IF (mpi_threading_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED used' |
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| 96 | IF (mpi_threading_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED used' |
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| 97 | IF (mpi_threading_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE used' |
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| 98 | |
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| 99 | #ifdef CPP_USING_XIOS |
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| 100 | CALL xios_initialize("icosagcm",return_comm=comm_icosa) |
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| 101 | #else |
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| 102 | comm_icosa=MPI_COMM_WORLD |
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| 103 | #endif |
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| 104 | CALL MPI_COMM_SIZE(comm_icosa,mpi_size,ierr) |
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| 105 | CALL MPI_COMM_RANK(comm_icosa,mpi_rank,ierr) |
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| 106 | PRINT *, 'MPI Process ', mpi_rank, '/', mpi_size |
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| 107 | ELSE |
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| 108 | comm_icosa=-1 |
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| 109 | mpi_size=1 |
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| 110 | mpi_rank=0 |
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| 111 | ENDIF |
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| 112 | |
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[261] | 113 | mpi_master=0 |
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[221] | 114 | IF (mpi_rank==0) THEN |
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| 115 | is_mpi_root=.TRUE. |
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[261] | 116 | is_mpi_master=.TRUE. |
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[221] | 117 | ELSE |
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| 118 | is_mpi_root=.FALSE. |
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[261] | 119 | is_mpi_master=.FALSE. |
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[221] | 120 | ENDIF |
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| 121 | |
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| 122 | END SUBROUTINE init_mpipara |
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| 123 | |
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| 124 | SUBROUTINE finalize_mpipara |
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| 125 | USE mpi_mod |
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[261] | 126 | #ifdef CPP_USING_XIOS |
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| 127 | USE xios |
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| 128 | #endif |
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[221] | 129 | IMPLICIT NONE |
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| 130 | |
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[261] | 131 | #ifdef CPP_USING_XIOS |
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| 132 | CALL xios_finalize |
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| 133 | #endif |
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[221] | 134 | IF (using_mpi) CALL MPI_FINALIZE(ierr) |
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| 135 | |
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| 136 | END SUBROUTINE finalize_mpipara |
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| 137 | |
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| 138 | |
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| 139 | SUBROUTINE allocate_mpi_buffer_r2(buffer,length) |
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| 140 | USE ISO_C_BINDING |
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| 141 | USE mpi_mod |
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| 142 | USE prec |
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| 143 | IMPLICIT NONE |
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| 144 | REAL(rstd), POINTER :: buffer(:) |
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| 145 | INTEGER,INTENT(IN) :: length |
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| 146 | |
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| 147 | TYPE(C_PTR) :: base_ptr |
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| 148 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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| 149 | INTEGER :: real_size,ierr |
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| 150 | |
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| 151 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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| 152 | size=length*real_size |
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| 153 | |
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| 154 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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| 155 | CALL C_F_POINTER(base_ptr, buffer, (/ length /)) |
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| 156 | |
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| 157 | END SUBROUTINE allocate_mpi_buffer_r2 |
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| 158 | |
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| 159 | SUBROUTINE free_mpi_buffer_r2(buffer) |
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| 160 | USE ISO_C_BINDING |
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| 161 | USE mpi_mod |
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| 162 | USE prec |
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| 163 | IMPLICIT NONE |
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| 164 | REAL(rstd), POINTER :: buffer(:) |
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| 165 | |
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| 166 | CALL MPI_FREE_MEM(buffer,ierr) |
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| 167 | |
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| 168 | END SUBROUTINE free_mpi_buffer_r2 |
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| 169 | |
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| 170 | SUBROUTINE allocate_mpi_buffer_r3(buffer,length,dim3) |
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| 171 | USE ISO_C_BINDING |
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| 172 | USE mpi_mod |
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| 173 | USE prec |
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| 174 | IMPLICIT NONE |
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| 175 | REAL(rstd), POINTER :: buffer(:,:) |
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| 176 | INTEGER,INTENT(IN) :: length |
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| 177 | INTEGER,INTENT(IN) :: dim3 |
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| 178 | |
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| 179 | TYPE(C_PTR) :: base_ptr |
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| 180 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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| 181 | INTEGER :: real_size,ierr |
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| 182 | |
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| 183 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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| 184 | size=length*real_size*dim3 |
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| 185 | |
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| 186 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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| 187 | CALL C_F_POINTER(base_ptr, buffer, (/ length,dim3 /)) |
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| 188 | |
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| 189 | END SUBROUTINE allocate_mpi_buffer_r3 |
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| 190 | |
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| 191 | SUBROUTINE free_mpi_buffer_r3(buffer) |
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| 192 | USE ISO_C_BINDING |
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| 193 | USE mpi_mod |
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| 194 | USE prec |
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| 195 | IMPLICIT NONE |
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| 196 | REAL(rstd), POINTER :: buffer(:,:) |
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| 197 | |
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| 198 | CALL MPI_FREE_MEM(buffer,ierr) |
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| 199 | |
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| 200 | END SUBROUTINE free_mpi_buffer_r3 |
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| 201 | |
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| 202 | SUBROUTINE allocate_mpi_buffer_r4(buffer,length,dim3,dim4) |
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| 203 | USE ISO_C_BINDING |
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| 204 | USE mpi_mod |
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| 205 | USE prec |
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| 206 | IMPLICIT NONE |
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| 207 | REAL(rstd), POINTER :: buffer(:,:,:) |
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| 208 | INTEGER,INTENT(IN) :: length |
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| 209 | INTEGER,INTENT(IN) :: dim3 |
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| 210 | INTEGER,INTENT(IN) :: dim4 |
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| 211 | |
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| 212 | TYPE(C_PTR) :: base_ptr |
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| 213 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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| 214 | INTEGER :: real_size,ierr |
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| 215 | |
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| 216 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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| 217 | size=length*real_size*dim3*dim4 |
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| 218 | |
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| 219 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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| 220 | CALL C_F_POINTER(base_ptr, buffer, (/ length, dim3, dim4 /)) |
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| 221 | |
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| 222 | END SUBROUTINE allocate_mpi_buffer_r4 |
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| 223 | |
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| 224 | SUBROUTINE free_mpi_buffer_r4(buffer) |
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| 225 | USE ISO_C_BINDING |
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| 226 | USE mpi_mod |
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| 227 | USE prec |
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| 228 | IMPLICIT NONE |
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| 229 | REAL(rstd), POINTER :: buffer(:,:,:) |
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| 230 | |
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| 231 | CALL MPI_FREE_MEM(buffer,ierr) |
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| 232 | |
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| 233 | END SUBROUTINE free_mpi_buffer_r4 |
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| 234 | |
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| 235 | END MODULE mpipara |
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