[26] | 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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[186] | 5 | INTEGER,SAVE :: mpi_threading_mode |
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[26] | 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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[151] | 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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[26] | 15 | |
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[186] | 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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[216] | 20 | PRIVATE :: getin |
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| 21 | |
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[26] | 22 | CONTAINS |
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| 23 | |
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[216] | 24 | SUBROUTINE getin(name,value) ! Copied from getin.f90 to avoid circular dependency |
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| 25 | USE ioipsl, ONLY : getin_=>getin |
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| 26 | USE transfert_omp_mod |
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| 27 | USE omp_para |
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| 28 | IMPLICIT NONE |
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| 29 | CHARACTER(LEN=*) :: name |
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| 30 | CHARACTER(LEN=*) :: value |
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| 31 | |
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| 32 | !$OMP MASTER |
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| 33 | CALL getin_(name,value) |
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| 34 | IF(is_mpi_root) PRINT *,'GETIN ',TRIM(name),' = ', TRIM(value) |
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| 35 | !$OMP END MASTER |
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| 36 | IF (omp_in_parallel()) CALL bcast_omp(value) |
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| 37 | END SUBROUTINE getin |
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| 38 | |
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[26] | 39 | SUBROUTINE init_mpipara |
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| 40 | USE mpi_mod |
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[171] | 41 | #ifdef CPP_USING_XIOS |
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| 42 | USE xios |
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| 43 | #endif |
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[26] | 44 | IMPLICIT NONE |
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[186] | 45 | CHARACTER(LEN=256) :: required_mode_str |
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| 46 | INTEGER :: required_mode |
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[26] | 47 | |
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| 48 | using_mpi=.FALSE. |
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| 49 | #ifdef CPP_USING_MPI |
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| 50 | using_mpi=.TRUE. |
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| 51 | #endif |
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| 52 | |
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| 53 | IF (using_mpi) THEN |
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[186] | 54 | |
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| 55 | required_mode_str='multiple' |
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| 56 | CALL getin('mpi_threading_mode',required_mode_str) |
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| 57 | |
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| 58 | SELECT CASE(TRIM(required_mode_str)) |
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| 59 | CASE ('single') |
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| 60 | required_mode=MPI_THREAD_SINGLE |
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| 61 | CASE ('funneled') |
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| 62 | required_mode=MPI_THREAD_FUNNELED |
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| 63 | CASE ('serialized') |
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| 64 | required_mode=MPI_THREAD_SERIALIZED |
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| 65 | CASE ('multiple') |
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| 66 | required_mode=MPI_THREAD_MULTIPLE |
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| 67 | CASE DEFAULT |
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| 68 | PRINT*,'Bad selector for variable mpi_threading_mode : <', TRIM(required_mode_str), & |
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| 69 | '> => options are <single>, <funneled>, <serialized>, <multiple>' |
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| 70 | STOP |
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| 71 | END SELECT |
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| 72 | |
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[171] | 73 | |
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[186] | 74 | IF (required_mode==MPI_THREAD_SINGLE) PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD required' |
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| 75 | IF (required_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED required' |
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| 76 | IF (required_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED required' |
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| 77 | IF (required_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE required' |
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| 78 | |
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| 79 | |
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| 80 | CALL MPI_INIT_THREAD(MPI_THREAD_MULTIPLE,mpi_threading_mode,ierr) |
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| 81 | |
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| 82 | IF (mpi_threading_mode==MPI_THREAD_SINGLE) PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD provided' |
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| 83 | IF (mpi_threading_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED provided' |
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| 84 | IF (mpi_threading_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED provided' |
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| 85 | IF (mpi_threading_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE provided' |
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| 86 | |
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| 87 | IF (mpi_threading_mode > required_mode) mpi_threading_mode=required_mode |
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| 88 | |
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[193] | 89 | IF (mpi_threading_mode==MPI_THREAD_SINGLE) THEN |
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| 90 | PRINT*,'MPI_INIT_THREAD : MPI_SINGLE_THREAD used : Warning : openMP is not garanted to work' |
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| 91 | ENDIF |
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[186] | 92 | IF (mpi_threading_mode==MPI_THREAD_FUNNELED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_FUNNELED used' |
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| 93 | IF (mpi_threading_mode==MPI_THREAD_SERIALIZED) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_SERIALIZED used' |
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| 94 | IF (mpi_threading_mode==MPI_THREAD_MULTIPLE) PRINT*,'MPI_INIT_THREAD : MPI_THREAD_MULTIPLE used' |
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| 95 | |
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[171] | 96 | #ifdef CPP_USING_XIOS |
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| 97 | CALL xios_initialize("icosagcm",return_comm=comm_icosa) |
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| 98 | #else |
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| 99 | comm_icosa=MPI_COMM_WORLD |
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| 100 | #endif |
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[26] | 101 | CALL MPI_COMM_SIZE(comm_icosa,mpi_size,ierr) |
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| 102 | CALL MPI_COMM_RANK(comm_icosa,mpi_rank,ierr) |
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[118] | 103 | PRINT *, 'MPI Process ', mpi_rank, '/', mpi_size |
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[26] | 104 | ELSE |
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| 105 | comm_icosa=-1 |
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| 106 | mpi_size=1 |
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| 107 | mpi_rank=0 |
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| 108 | ENDIF |
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| 109 | |
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| 110 | IF (mpi_rank==0) THEN |
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| 111 | is_mpi_root=.TRUE. |
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| 112 | ELSE |
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| 113 | is_mpi_root=.FALSE. |
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| 114 | ENDIF |
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| 115 | |
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| 116 | END SUBROUTINE init_mpipara |
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| 117 | |
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| 118 | SUBROUTINE finalize_mpipara |
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| 119 | USE mpi_mod |
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| 120 | IMPLICIT NONE |
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| 121 | |
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| 122 | IF (using_mpi) CALL MPI_FINALIZE(ierr) |
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| 123 | |
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| 124 | END SUBROUTINE finalize_mpipara |
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| 125 | |
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[151] | 126 | |
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| 127 | SUBROUTINE allocate_mpi_buffer_r2(buffer,length) |
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| 128 | USE ISO_C_BINDING |
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| 129 | USE mpi_mod |
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| 130 | USE prec |
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| 131 | IMPLICIT NONE |
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| 132 | REAL(rstd), POINTER :: buffer(:) |
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| 133 | INTEGER,INTENT(IN) :: length |
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| 134 | |
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| 135 | TYPE(C_PTR) :: base_ptr |
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| 136 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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| 137 | INTEGER :: real_size,ierr |
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| 138 | |
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| 139 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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| 140 | size=length*real_size |
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| 141 | |
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| 142 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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| 143 | CALL C_F_POINTER(base_ptr, buffer, (/ length /)) |
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| 144 | |
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[186] | 145 | END SUBROUTINE allocate_mpi_buffer_r2 |
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[151] | 146 | |
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[186] | 147 | SUBROUTINE free_mpi_buffer_r2(buffer) |
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| 148 | USE ISO_C_BINDING |
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| 149 | USE mpi_mod |
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| 150 | USE prec |
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| 151 | IMPLICIT NONE |
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| 152 | REAL(rstd), POINTER :: buffer(:) |
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| 153 | |
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| 154 | CALL MPI_FREE_MEM(buffer,ierr) |
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| 155 | |
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| 156 | END SUBROUTINE free_mpi_buffer_r2 |
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| 157 | |
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[151] | 158 | SUBROUTINE allocate_mpi_buffer_r3(buffer,length,dim3) |
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| 159 | USE ISO_C_BINDING |
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| 160 | USE mpi_mod |
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| 161 | USE prec |
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| 162 | IMPLICIT NONE |
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| 163 | REAL(rstd), POINTER :: buffer(:,:) |
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| 164 | INTEGER,INTENT(IN) :: length |
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| 165 | INTEGER,INTENT(IN) :: dim3 |
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| 166 | |
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| 167 | TYPE(C_PTR) :: base_ptr |
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| 168 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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| 169 | INTEGER :: real_size,ierr |
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| 170 | |
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| 171 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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| 172 | size=length*real_size*dim3 |
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| 173 | |
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| 174 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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| 175 | CALL C_F_POINTER(base_ptr, buffer, (/ length,dim3 /)) |
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| 176 | |
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[186] | 177 | END SUBROUTINE allocate_mpi_buffer_r3 |
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[151] | 178 | |
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[186] | 179 | SUBROUTINE free_mpi_buffer_r3(buffer) |
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| 180 | USE ISO_C_BINDING |
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| 181 | USE mpi_mod |
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| 182 | USE prec |
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| 183 | IMPLICIT NONE |
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| 184 | REAL(rstd), POINTER :: buffer(:,:) |
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| 185 | |
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| 186 | CALL MPI_FREE_MEM(buffer,ierr) |
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| 187 | |
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| 188 | END SUBROUTINE free_mpi_buffer_r3 |
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| 189 | |
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[151] | 190 | SUBROUTINE allocate_mpi_buffer_r4(buffer,length,dim3,dim4) |
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| 191 | USE ISO_C_BINDING |
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| 192 | USE mpi_mod |
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| 193 | USE prec |
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| 194 | IMPLICIT NONE |
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| 195 | REAL(rstd), POINTER :: buffer(:,:,:) |
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| 196 | INTEGER,INTENT(IN) :: length |
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| 197 | INTEGER,INTENT(IN) :: dim3 |
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| 198 | INTEGER,INTENT(IN) :: dim4 |
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| 199 | |
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| 200 | TYPE(C_PTR) :: base_ptr |
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| 201 | INTEGER(KIND=MPI_ADDRESS_KIND) :: size |
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| 202 | INTEGER :: real_size,ierr |
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| 203 | |
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| 204 | CALL MPI_TYPE_EXTENT(MPI_REAL8, real_size, ierr) |
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| 205 | size=length*real_size*dim3*dim4 |
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| 206 | |
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| 207 | CALL MPI_ALLOC_MEM(size,MPI_INFO_NULL,base_ptr,ierr) |
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| 208 | CALL C_F_POINTER(base_ptr, buffer, (/ length, dim3, dim4 /)) |
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| 209 | |
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| 210 | END SUBROUTINE allocate_mpi_buffer_r4 |
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[186] | 211 | |
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| 212 | SUBROUTINE free_mpi_buffer_r4(buffer) |
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| 213 | USE ISO_C_BINDING |
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| 214 | USE mpi_mod |
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| 215 | USE prec |
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| 216 | IMPLICIT NONE |
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| 217 | REAL(rstd), POINTER :: buffer(:,:,:) |
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| 218 | |
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| 219 | CALL MPI_FREE_MEM(buffer,ierr) |
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| 220 | |
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| 221 | END SUBROUTINE free_mpi_buffer_r4 |
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[26] | 222 | |
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| 223 | END MODULE mpipara |
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