[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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[295] | 62 | SUBROUTINE init_omp_para(is_mpi_master) |
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[151] | 63 | USE grid_param |
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[320] | 64 | USE ioipsl, ONLY : getin |
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[186] | 65 | #ifdef CPP_USING_OMP |
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[151] | 66 | USE omp_lib |
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| 67 | #endif |
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| 68 | IMPLICIT NONE |
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[295] | 69 | LOGICAL, INTENT(IN) :: is_mpi_master |
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[327] | 70 | INTEGER :: ll_nb,i,llb,lle |
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[151] | 71 | |
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[186] | 72 | #ifdef CPP_USING_OMP |
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[151] | 73 | using_openmp=.TRUE. |
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| 74 | #else |
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| 75 | using_openmp=.FALSE. |
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| 76 | #endif |
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| 77 | |
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| 78 | IF (using_openmp) THEN |
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[327] | 79 | !$OMP PARALLEL PRIVATE(ll_nb,i,llb,lle) |
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[151] | 80 | |
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| 81 | !$OMP MASTER |
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[186] | 82 | #ifdef CPP_USING_OMP |
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[151] | 83 | omp_size=OMP_GET_NUM_THREADS() |
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| 84 | #endif |
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| 85 | !$OMP END MASTER |
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| 86 | !$OMP BARRIER |
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[186] | 87 | #ifdef CPP_USING_OMP |
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[151] | 88 | omp_rank=OMP_GET_THREAD_NUM() |
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| 89 | #endif |
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[295] | 90 | |
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| 91 | is_omp_master=.FALSE. |
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| 92 | is_master=.FALSE. |
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| 93 | |
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| 94 | IF (omp_rank==0) THEN |
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| 95 | is_omp_master=.TRUE. |
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| 96 | IF (is_mpi_master) is_master=.TRUE. |
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| 97 | ENDIF |
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[186] | 98 | |
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[351] | 99 | !$OMP CRITICAL |
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| 100 | omp_level_size=1 |
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[295] | 101 | CALL getin("omp_level_size",omp_level_size) |
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[351] | 102 | !$OMP END CRITICAL |
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| 103 | |
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[320] | 104 | IF(is_mpi_master) PRINT *,'GETIN omp_level_size', ' = ', omp_level_size |
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| 105 | |
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[295] | 106 | IF (MOD(omp_size,omp_level_size)/=0) THEN |
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| 107 | IF (is_mpi_master) PRINT*,"omp_size /= omp_level_size x omp_domain_size => disable omp threads on vertical layers" |
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| 108 | omp_level_size=1 |
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| 109 | ENDIF |
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| 110 | omp_domain_size=omp_size/omp_level_size |
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| 111 | omp_domain_rank = omp_rank / omp_level_size |
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| 112 | omp_level_rank = MOD(omp_rank, omp_level_size) |
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[151] | 113 | |
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[295] | 114 | IF (is_mpi_master) PRINT*,"omp_domain_size",omp_domain_size,"omp_domain_rank", omp_domain_rank |
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| 115 | IF (is_mpi_master) PRINT*,"omp_level_size",omp_level_size,"omp_level_rank", omp_level_rank |
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[151] | 116 | |
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[295] | 117 | is_omp_first_level=.FALSE. |
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| 118 | is_omp_last_level= .FALSE. |
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| 119 | is_omp_domain_master=.FALSE. |
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| 120 | is_omp_level_master=.FALSE. |
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| 121 | |
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| 122 | IF (omp_domain_rank==0) is_omp_domain_master = .TRUE. |
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| 123 | IF (omp_level_rank==0) is_omp_level_master = .TRUE. |
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| 124 | IF (omp_level_rank==0) is_omp_first_level=.TRUE. |
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[151] | 125 | |
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[295] | 126 | IF (omp_level_rank==omp_level_size-1) is_omp_last_level=.TRUE. |
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[186] | 127 | |
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[327] | 128 | lle=0 |
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| 129 | |
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[295] | 130 | DO i=0,omp_level_rank |
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[327] | 131 | llb=lle+1 |
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[295] | 132 | ll_nb=llm/omp_level_size |
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| 133 | IF (MOD(llm,omp_level_size)>i) ll_nb=ll_nb+1 |
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[327] | 134 | lle=llb+ll_nb-1 |
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[295] | 135 | ENDDO |
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[327] | 136 | ll_begin=llb |
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| 137 | ll_end=lle |
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[186] | 138 | |
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[295] | 139 | ll_beginp1=ll_begin |
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| 140 | ll_endp1=ll_end |
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| 141 | ll_endm1=ll_end |
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[151] | 142 | |
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[295] | 143 | IF (is_omp_first_level) ll_beginp1=ll_begin+1 |
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| 144 | IF (is_omp_last_level) ll_endp1=ll_endp1+1 |
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| 145 | IF (is_omp_last_level) ll_endm1=ll_endm1-1 |
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[186] | 146 | |
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[295] | 147 | |
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| 148 | |
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| 149 | is_omp_first_level_distrib = is_omp_first_level |
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| 150 | is_omp_last_level_distrib = is_omp_last_level |
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| 151 | ll_begin_distrib = ll_begin |
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| 152 | ll_beginp1_distrib = ll_beginp1 |
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| 153 | ll_end_distrib = ll_end |
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| 154 | ll_endm1_distrib = ll_endm1 |
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| 155 | ll_endp1_distrib = ll_endp1 |
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| 156 | |
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| 157 | is_omp_first_level_full = .TRUE. |
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| 158 | is_omp_last_level_full = .TRUE. |
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| 159 | ll_begin_full = 1 |
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| 160 | ll_beginp1_full = 2 |
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| 161 | ll_end_full = llm |
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| 162 | ll_endm1_full = llm-1 |
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| 163 | ll_endp1_full = llm+1 |
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| 164 | |
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[151] | 165 | !$OMP END PARALLEL |
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| 166 | |
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| 167 | ELSE |
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| 168 | omp_size=1 |
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[295] | 169 | omp_level_size=1 |
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| 170 | omp_domain_size=1 |
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[151] | 171 | omp_rank=0 |
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[295] | 172 | omp_level_rank=0 |
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| 173 | omp_domain_rank=0 |
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[367] | 174 | is_master=is_mpi_master |
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[295] | 175 | is_omp_first_level=.TRUE. |
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| 176 | is_omp_last_level=.TRUE. |
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| 177 | is_omp_master=.TRUE. |
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| 178 | is_omp_domain_master=.TRUE. |
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| 179 | is_omp_level_master=.TRUE. |
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[151] | 180 | ll_begin=1 |
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| 181 | ll_beginp1=2 |
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| 182 | ll_end=llm |
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| 183 | ll_endm1=llm-1 |
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| 184 | ll_endp1=llm+1 |
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[295] | 185 | |
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| 186 | is_omp_first_level_distrib = is_omp_first_level |
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| 187 | is_omp_last_level_distrib = is_omp_last_level |
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| 188 | ll_begin_distrib = ll_begin |
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| 189 | ll_beginp1_distrib = ll_beginp1 |
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| 190 | ll_end_distrib = ll_end |
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| 191 | ll_endm1_distrib = ll_endm1 |
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| 192 | ll_endp1_distrib = ll_endp1 |
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| 193 | |
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| 194 | is_omp_first_level_full = .TRUE. |
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| 195 | is_omp_last_level_full = .TRUE. |
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| 196 | ll_begin_full = 1 |
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| 197 | ll_beginp1_full = 2 |
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| 198 | ll_end_full = llm |
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| 199 | ll_endm1_full = llm-1 |
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| 200 | ll_endp1_full = llm+1 |
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| 201 | |
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[151] | 202 | ENDIF |
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| 203 | |
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| 204 | END SUBROUTINE init_omp_para |
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| 205 | |
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[603] | 206 | SUBROUTINE distrib_level(ibegin,iend, lbegin,lend) |
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[327] | 207 | IMPLICIT NONE |
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[603] | 208 | INTEGER,INTENT(IN) :: ibegin,iend |
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[327] | 209 | INTEGER,INTENT(OUT) :: lbegin |
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| 210 | INTEGER,INTENT(OUT) :: lend |
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[603] | 211 | INTEGER :: size,div,rest |
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| 212 | size=iend-ibegin+1 |
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[327] | 213 | div=size/omp_level_size |
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| 214 | rest=MOD(size,omp_level_size) |
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| 215 | IF (omp_level_rank<rest) THEN |
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[603] | 216 | lbegin=(div+1)*omp_level_rank + ibegin |
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[327] | 217 | lend=lbegin+div |
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| 218 | ELSE |
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[603] | 219 | lbegin=(div+1)*rest + (omp_level_rank-rest)*div + ibegin |
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[327] | 220 | lend=lbegin+div-1 |
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| 221 | ENDIF |
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| 222 | END SUBROUTINE distrib_level |
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[295] | 223 | |
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[327] | 224 | |
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[295] | 225 | SUBROUTINE switch_omp_distrib_level |
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| 226 | IMPLICIT NONE |
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| 227 | is_omp_first_level = is_omp_first_level_distrib |
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| 228 | is_omp_last_level = is_omp_last_level_distrib |
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| 229 | ll_begin = ll_begin_distrib |
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| 230 | ll_beginp1 = ll_beginp1_distrib |
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| 231 | ll_end = ll_end_distrib |
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| 232 | ll_endm1 = ll_endm1_distrib |
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| 233 | ll_endp1 = ll_endp1_distrib |
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| 234 | |
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| 235 | END SUBROUTINE switch_omp_distrib_level |
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| 236 | |
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| 237 | |
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| 238 | SUBROUTINE switch_omp_no_distrib_level |
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| 239 | IMPLICIT NONE |
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| 240 | |
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| 241 | is_omp_first_level = is_omp_first_level_full |
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| 242 | is_omp_last_level = is_omp_last_level_full |
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| 243 | ll_begin = ll_begin_full |
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| 244 | ll_beginp1 = ll_beginp1_full |
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| 245 | ll_end = ll_end_full |
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| 246 | ll_endm1 = ll_endm1_full |
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| 247 | ll_endp1 = ll_endp1_full |
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| 248 | |
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| 249 | END SUBROUTINE switch_omp_no_distrib_level |
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| 250 | |
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| 251 | |
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[186] | 252 | FUNCTION omp_in_parallel() |
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| 253 | #ifdef CPP_USING_OMP |
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| 254 | USE omp_lib, ONLY : omp_in_parallel_=>omp_in_parallel |
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| 255 | #endif |
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| 256 | IMPLICIT NONE |
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| 257 | LOGICAL :: omp_in_parallel |
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| 258 | |
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| 259 | #ifdef CPP_USING_OMP |
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| 260 | omp_in_parallel=omp_in_parallel_() |
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| 261 | #else |
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| 262 | omp_in_parallel=.FALSE. |
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| 263 | #endif |
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| 264 | |
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| 265 | END FUNCTION omp_in_parallel |
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| 266 | |
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[151] | 267 | END MODULE omp_para |
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| 268 | |
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| 269 | |
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| 270 | |
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| 271 | |
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| 272 | |
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| 273 | |
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