[151] | 1 | MODULE omp_para |
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| 2 | |
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| 3 | INTEGER,SAVE :: omp_size |
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| 4 | INTEGER,SAVE :: omp_rank |
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| 5 | !$OMP THREADPRIVATE(omp_rank) |
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| 6 | |
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[295] | 7 | LOGICAL,SAVE :: is_omp_first_level |
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| 8 | LOGICAL,SAVE :: is_omp_last_level |
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| 9 | LOGICAL,SAVE :: is_omp_master |
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| 10 | !$OMP THREADPRIVATE(is_omp_first_level, is_omp_last_level,is_omp_master) |
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[151] | 11 | |
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| 12 | INTEGER,SAVE :: ll_begin |
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| 13 | INTEGER,SAVE :: ll_beginp1 |
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| 14 | INTEGER,SAVE :: ll_end |
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| 15 | INTEGER,SAVE :: ll_endm1 |
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| 16 | INTEGER,SAVE :: ll_endp1 |
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| 17 | !$OMP THREADPRIVATE(ll_begin,ll_beginp1,ll_end,ll_endm1,ll_endp1) |
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| 18 | LOGICAL,SAVE :: using_openmp |
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[295] | 19 | |
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| 20 | INTEGER,SAVE :: omp_domain_size |
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| 21 | INTEGER,SAVE :: omp_domain_rank |
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| 22 | INTEGER,SAVE :: omp_level_size |
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| 23 | INTEGER,SAVE :: omp_level_rank |
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| 24 | !$OMP THREADPRIVATE( omp_domain_size, omp_level_size,omp_domain_rank,omp_level_rank) |
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| 25 | LOGICAL,SAVE :: is_omp_domain_master |
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| 26 | LOGICAL,SAVE :: is_omp_level_master |
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| 27 | !$OMP THREADPRIVATE(is_omp_domain_master,is_omp_level_master ) |
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| 28 | |
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[186] | 29 | LOGICAL,PARAMETER :: omp_by_domain=.TRUE. |
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[295] | 30 | LOGICAL,SAVE :: is_master |
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| 31 | !$OMP THREADPRIVATE(is_master) |
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[186] | 32 | |
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[295] | 33 | |
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| 34 | LOGICAL,SAVE :: is_omp_first_level_full |
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| 35 | LOGICAL,SAVE :: is_omp_last_level_full |
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| 36 | INTEGER,SAVE :: ll_begin_full |
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| 37 | INTEGER,SAVE :: ll_beginp1_full |
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| 38 | INTEGER,SAVE :: ll_end_full |
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| 39 | INTEGER,SAVE :: ll_endm1_full |
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| 40 | INTEGER,SAVE :: ll_endp1_full |
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| 41 | !$OMP THREADPRIVATE(is_omp_first_level_full,is_omp_last_level_full) |
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| 42 | !$OMP THREADPRIVATE( ll_begin_full, ll_beginp1_full, ll_end_full, ll_endm1_full, ll_endp1_full) |
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| 43 | PRIVATE :: is_omp_first_level_full,is_omp_last_level_full |
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| 44 | PRIVATE :: ll_begin_full, ll_beginp1_full, ll_end_full, ll_endm1_full, ll_endp1_full |
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| 45 | |
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| 46 | |
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| 47 | LOGICAL,SAVE :: is_omp_first_level_distrib |
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| 48 | LOGICAL,SAVE :: is_omp_last_level_distrib |
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| 49 | INTEGER,SAVE :: ll_begin_distrib |
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| 50 | INTEGER,SAVE :: ll_beginp1_distrib |
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| 51 | INTEGER,SAVE :: ll_end_distrib |
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| 52 | INTEGER,SAVE :: ll_endm1_distrib |
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| 53 | INTEGER,SAVE :: ll_endp1_distrib |
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| 54 | !$OMP THREADPRIVATE(is_omp_first_level_distrib,is_omp_last_level_distrib) |
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| 55 | !$OMP THREADPRIVATE( ll_begin_distrib, ll_beginp1_distrib, ll_end_distrib, ll_endm1_distrib, ll_endp1_distrib) |
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| 56 | |
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| 57 | PRIVATE :: is_omp_first_level_distrib,is_omp_last_level_distrib |
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| 58 | PRIVATE :: ll_begin_distrib, ll_beginp1_distrib, ll_end_distrib, ll_endm1_distrib, ll_endp1_distrib |
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| 59 | |
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[151] | 60 | CONTAINS |
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| 61 | |
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[962] | 62 | FUNCTION get_omp_size() result(omp_size) |
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| 63 | #ifdef CPP_USING_OMP |
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| 64 | use omp_lib, only : omp_get_max_threads |
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| 65 | integer :: omp_size |
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| 66 | omp_size = omp_get_max_threads() |
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| 67 | #else |
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| 68 | integer :: omp_size |
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| 69 | omp_size = 1 |
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| 70 | #endif |
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| 71 | END FUNCTION |
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| 72 | |
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[295] | 73 | SUBROUTINE init_omp_para(is_mpi_master) |
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[151] | 74 | USE grid_param |
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[320] | 75 | USE ioipsl, ONLY : getin |
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[186] | 76 | #ifdef CPP_USING_OMP |
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[151] | 77 | USE omp_lib |
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| 78 | #endif |
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| 79 | IMPLICIT NONE |
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[295] | 80 | LOGICAL, INTENT(IN) :: is_mpi_master |
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[327] | 81 | INTEGER :: ll_nb,i,llb,lle |
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[151] | 82 | |
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[186] | 83 | #ifdef CPP_USING_OMP |
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[151] | 84 | using_openmp=.TRUE. |
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| 85 | #else |
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| 86 | using_openmp=.FALSE. |
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| 87 | #endif |
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| 88 | |
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| 89 | IF (using_openmp) THEN |
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[327] | 90 | !$OMP PARALLEL PRIVATE(ll_nb,i,llb,lle) |
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[151] | 91 | |
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| 92 | !$OMP MASTER |
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[186] | 93 | #ifdef CPP_USING_OMP |
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[151] | 94 | omp_size=OMP_GET_NUM_THREADS() |
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| 95 | #endif |
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| 96 | !$OMP END MASTER |
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| 97 | !$OMP BARRIER |
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[186] | 98 | #ifdef CPP_USING_OMP |
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[151] | 99 | omp_rank=OMP_GET_THREAD_NUM() |
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| 100 | #endif |
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[295] | 101 | |
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| 102 | is_omp_master=.FALSE. |
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| 103 | is_master=.FALSE. |
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| 104 | |
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| 105 | IF (omp_rank==0) THEN |
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| 106 | is_omp_master=.TRUE. |
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| 107 | IF (is_mpi_master) is_master=.TRUE. |
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| 108 | ENDIF |
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[186] | 109 | |
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[351] | 110 | !$OMP CRITICAL |
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| 111 | omp_level_size=1 |
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[295] | 112 | CALL getin("omp_level_size",omp_level_size) |
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[351] | 113 | !$OMP END CRITICAL |
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| 114 | |
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[320] | 115 | IF(is_mpi_master) PRINT *,'GETIN omp_level_size', ' = ', omp_level_size |
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| 116 | |
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[295] | 117 | IF (MOD(omp_size,omp_level_size)/=0) THEN |
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| 118 | IF (is_mpi_master) PRINT*,"omp_size /= omp_level_size x omp_domain_size => disable omp threads on vertical layers" |
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| 119 | omp_level_size=1 |
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| 120 | ENDIF |
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| 121 | omp_domain_size=omp_size/omp_level_size |
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| 122 | omp_domain_rank = omp_rank / omp_level_size |
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| 123 | omp_level_rank = MOD(omp_rank, omp_level_size) |
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[151] | 124 | |
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[295] | 125 | IF (is_mpi_master) PRINT*,"omp_domain_size",omp_domain_size,"omp_domain_rank", omp_domain_rank |
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| 126 | IF (is_mpi_master) PRINT*,"omp_level_size",omp_level_size,"omp_level_rank", omp_level_rank |
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[151] | 127 | |
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[295] | 128 | is_omp_first_level=.FALSE. |
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| 129 | is_omp_last_level= .FALSE. |
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| 130 | is_omp_domain_master=.FALSE. |
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| 131 | is_omp_level_master=.FALSE. |
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| 132 | |
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| 133 | IF (omp_domain_rank==0) is_omp_domain_master = .TRUE. |
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| 134 | IF (omp_level_rank==0) is_omp_level_master = .TRUE. |
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| 135 | IF (omp_level_rank==0) is_omp_first_level=.TRUE. |
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[151] | 136 | |
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[295] | 137 | IF (omp_level_rank==omp_level_size-1) is_omp_last_level=.TRUE. |
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[186] | 138 | |
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[327] | 139 | lle=0 |
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| 140 | |
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[295] | 141 | DO i=0,omp_level_rank |
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[327] | 142 | llb=lle+1 |
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[295] | 143 | ll_nb=llm/omp_level_size |
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| 144 | IF (MOD(llm,omp_level_size)>i) ll_nb=ll_nb+1 |
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[327] | 145 | lle=llb+ll_nb-1 |
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[295] | 146 | ENDDO |
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[327] | 147 | ll_begin=llb |
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| 148 | ll_end=lle |
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[186] | 149 | |
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[295] | 150 | ll_beginp1=ll_begin |
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| 151 | ll_endp1=ll_end |
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| 152 | ll_endm1=ll_end |
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[151] | 153 | |
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[295] | 154 | IF (is_omp_first_level) ll_beginp1=ll_begin+1 |
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| 155 | IF (is_omp_last_level) ll_endp1=ll_endp1+1 |
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| 156 | IF (is_omp_last_level) ll_endm1=ll_endm1-1 |
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[186] | 157 | |
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[295] | 158 | |
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| 159 | |
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| 160 | is_omp_first_level_distrib = is_omp_first_level |
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| 161 | is_omp_last_level_distrib = is_omp_last_level |
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| 162 | ll_begin_distrib = ll_begin |
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| 163 | ll_beginp1_distrib = ll_beginp1 |
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| 164 | ll_end_distrib = ll_end |
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| 165 | ll_endm1_distrib = ll_endm1 |
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| 166 | ll_endp1_distrib = ll_endp1 |
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| 167 | |
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| 168 | is_omp_first_level_full = .TRUE. |
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| 169 | is_omp_last_level_full = .TRUE. |
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| 170 | ll_begin_full = 1 |
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| 171 | ll_beginp1_full = 2 |
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| 172 | ll_end_full = llm |
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| 173 | ll_endm1_full = llm-1 |
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| 174 | ll_endp1_full = llm+1 |
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| 175 | |
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[151] | 176 | !$OMP END PARALLEL |
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| 177 | |
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| 178 | ELSE |
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| 179 | omp_size=1 |
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[295] | 180 | omp_level_size=1 |
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| 181 | omp_domain_size=1 |
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[151] | 182 | omp_rank=0 |
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[295] | 183 | omp_level_rank=0 |
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| 184 | omp_domain_rank=0 |
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[367] | 185 | is_master=is_mpi_master |
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[295] | 186 | is_omp_first_level=.TRUE. |
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| 187 | is_omp_last_level=.TRUE. |
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| 188 | is_omp_master=.TRUE. |
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| 189 | is_omp_domain_master=.TRUE. |
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| 190 | is_omp_level_master=.TRUE. |
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[151] | 191 | ll_begin=1 |
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| 192 | ll_beginp1=2 |
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| 193 | ll_end=llm |
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| 194 | ll_endm1=llm-1 |
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| 195 | ll_endp1=llm+1 |
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[295] | 196 | |
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| 197 | is_omp_first_level_distrib = is_omp_first_level |
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| 198 | is_omp_last_level_distrib = is_omp_last_level |
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| 199 | ll_begin_distrib = ll_begin |
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| 200 | ll_beginp1_distrib = ll_beginp1 |
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| 201 | ll_end_distrib = ll_end |
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| 202 | ll_endm1_distrib = ll_endm1 |
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| 203 | ll_endp1_distrib = ll_endp1 |
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| 204 | |
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| 205 | is_omp_first_level_full = .TRUE. |
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| 206 | is_omp_last_level_full = .TRUE. |
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| 207 | ll_begin_full = 1 |
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| 208 | ll_beginp1_full = 2 |
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| 209 | ll_end_full = llm |
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| 210 | ll_endm1_full = llm-1 |
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| 211 | ll_endp1_full = llm+1 |
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| 212 | |
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[151] | 213 | ENDIF |
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| 214 | |
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| 215 | END SUBROUTINE init_omp_para |
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| 216 | |
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[604] | 217 | SUBROUTINE distrib_level(ibegin,iend, lbegin,lend) |
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[327] | 218 | IMPLICIT NONE |
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[604] | 219 | INTEGER,INTENT(IN) :: ibegin,iend |
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[327] | 220 | INTEGER,INTENT(OUT) :: lbegin |
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| 221 | INTEGER,INTENT(OUT) :: lend |
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[604] | 222 | INTEGER :: size,div,rest |
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| 223 | size=iend-ibegin+1 |
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[327] | 224 | div=size/omp_level_size |
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| 225 | rest=MOD(size,omp_level_size) |
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| 226 | IF (omp_level_rank<rest) THEN |
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[604] | 227 | lbegin=(div+1)*omp_level_rank + ibegin |
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[327] | 228 | lend=lbegin+div |
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| 229 | ELSE |
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[604] | 230 | lbegin=(div+1)*rest + (omp_level_rank-rest)*div + ibegin |
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[327] | 231 | lend=lbegin+div-1 |
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| 232 | ENDIF |
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| 233 | END SUBROUTINE distrib_level |
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[295] | 234 | |
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[327] | 235 | |
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[295] | 236 | SUBROUTINE switch_omp_distrib_level |
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| 237 | IMPLICIT NONE |
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| 238 | is_omp_first_level = is_omp_first_level_distrib |
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| 239 | is_omp_last_level = is_omp_last_level_distrib |
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| 240 | ll_begin = ll_begin_distrib |
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| 241 | ll_beginp1 = ll_beginp1_distrib |
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| 242 | ll_end = ll_end_distrib |
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| 243 | ll_endm1 = ll_endm1_distrib |
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| 244 | ll_endp1 = ll_endp1_distrib |
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| 245 | |
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| 246 | END SUBROUTINE switch_omp_distrib_level |
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| 247 | |
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| 248 | |
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| 249 | SUBROUTINE switch_omp_no_distrib_level |
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| 250 | IMPLICIT NONE |
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| 251 | |
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| 252 | is_omp_first_level = is_omp_first_level_full |
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| 253 | is_omp_last_level = is_omp_last_level_full |
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| 254 | ll_begin = ll_begin_full |
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| 255 | ll_beginp1 = ll_beginp1_full |
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| 256 | ll_end = ll_end_full |
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| 257 | ll_endm1 = ll_endm1_full |
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| 258 | ll_endp1 = ll_endp1_full |
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| 259 | |
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| 260 | END SUBROUTINE switch_omp_no_distrib_level |
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| 261 | |
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| 262 | |
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[186] | 263 | FUNCTION omp_in_parallel() |
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| 264 | #ifdef CPP_USING_OMP |
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| 265 | USE omp_lib, ONLY : omp_in_parallel_=>omp_in_parallel |
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| 266 | #endif |
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| 267 | IMPLICIT NONE |
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| 268 | LOGICAL :: omp_in_parallel |
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| 269 | |
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| 270 | #ifdef CPP_USING_OMP |
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| 271 | omp_in_parallel=omp_in_parallel_() |
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| 272 | #else |
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| 273 | omp_in_parallel=.FALSE. |
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| 274 | #endif |
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| 275 | |
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| 276 | END FUNCTION omp_in_parallel |
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| 277 | |
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[151] | 278 | END MODULE omp_para |
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| 279 | |
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| 280 | |
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| 281 | |
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| 282 | |
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| 283 | |
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| 284 | |
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