| 1 | MODULE lbclnk |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE lbclnk *** |
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| 4 | !! NEMO : lateral boundary conditions |
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| 5 | !!===================================================================== |
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| 6 | !! History : OPA ! 1997-06 (G. Madec) Original code |
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| 7 | !! NEMO 1.0 ! 2002-09 (G. Madec) F90: Free form and module |
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| 8 | !! 3.2 ! 2009-03 (R. Benshila) External north fold treatment |
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| 9 | !! 3.5 ! 2012 (S.Mocavero, I. Epicoco) optimization of BDY comm. via lbc_bdy_lnk and lbc_obc_lnk |
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| 10 | !! 3.4 ! 2012-12 (R. Bourdalle-Badie, G. Reffray) add a C1D case |
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| 11 | !! 3.6 ! 2015-06 (O. Tintó and M. Castrillo) add lbc_lnk_multi |
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| 12 | !! 4.0 ! 2017-03 (G. Madec) automatique allocation of array size (use with any 3rd dim size) |
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| 13 | !! - ! 2017-04 (G. Madec) remove duplicated routines (lbc_lnk_2d_9, lbc_lnk_2d_multiple, lbc_lnk_3d_gather) |
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| 14 | !! - ! 2017-05 (G. Madec) create generic.h90 files to generate all lbc and north fold routines |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | !! define the generic interfaces of lib_mpp routines |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | !! lbc_lnk : generic interface for mpp_lnk_3d and mpp_lnk_2d routines defined in lib_mpp |
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| 19 | !! lbc_bdy_lnk : generic interface for mpp_lnk_bdy_2d and mpp_lnk_bdy_3d routines defined in lib_mpp |
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| 20 | !!---------------------------------------------------------------------- |
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| 21 | USE dom_oce ! ocean space and time domain |
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| 22 | USE lib_mpp ! distributed memory computing library |
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| 23 | USE lbcnfd ! north fold |
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| 24 | USE in_out_manager ! I/O manager |
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| 25 | #if ! defined key_mpi_off |
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| 26 | USE MPI |
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| 27 | #endif |
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| 28 | |
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| 29 | IMPLICIT NONE |
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| 30 | PRIVATE |
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| 31 | |
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| 32 | INTERFACE lbc_lnk |
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| 33 | MODULE PROCEDURE lbc_lnk_call_2d_sp, lbc_lnk_call_3d_sp, lbc_lnk_call_4d_sp |
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| 34 | MODULE PROCEDURE lbc_lnk_call_2d_dp, lbc_lnk_call_3d_dp, lbc_lnk_call_4d_dp |
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| 35 | END INTERFACE |
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| 36 | |
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| 37 | INTERFACE lbc_lnk_pt2pt |
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| 38 | MODULE PROCEDURE lbc_lnk_pt2pt_sp, lbc_lnk_pt2pt_dp |
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| 39 | END INTERFACE |
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| 40 | |
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| 41 | INTERFACE lbc_lnk_newpt2pt |
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| 42 | MODULE PROCEDURE lbc_lnk_newpt2pt_sp, lbc_lnk_newpt2pt_dp |
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| 43 | END INTERFACE lbc_lnk_newpt2pt |
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| 44 | |
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| 45 | INTERFACE lbc_lnk_oldpt2pt |
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| 46 | MODULE PROCEDURE lbc_lnk_oldpt2pt_sp, lbc_lnk_oldpt2pt_dp |
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| 47 | END INTERFACE lbc_lnk_oldpt2pt |
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| 48 | |
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| 49 | INTERFACE lbc_lnk_neicoll |
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| 50 | MODULE PROCEDURE lbc_lnk_neicoll_sp ,lbc_lnk_neicoll_dp |
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| 51 | END INTERFACE |
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| 52 | |
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| 53 | INTERFACE lbc_lnk_persistent |
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| 54 | MODULE PROCEDURE lbc_lnk_persistent_sp, lbc_lnk_persistent_dp |
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| 55 | END INTERFACE lbc_lnk_persistent |
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| 56 | |
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| 57 | INTERFACE lbc_lnk_async |
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| 58 | MODULE PROCEDURE lbc_lnk_async_sp, lbc_lnk_async_dp |
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| 59 | END INTERFACE lbc_lnk_async |
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| 60 | ! |
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| 61 | INTERFACE lbc_lnk_icb |
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| 62 | MODULE PROCEDURE mpp_lnk_2d_icb_dp, mpp_lnk_2d_icb_sp |
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| 63 | END INTERFACE |
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| 64 | |
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| 65 | PUBLIC lbc_lnk ! ocean/ice lateral boundary conditions |
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| 66 | PUBLIC lbc_lnk_icb ! iceberg lateral boundary conditions |
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| 67 | |
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| 68 | REAL(dp), DIMENSION(:), ALLOCATABLE :: buffsnd_dp, buffrcv_dp ! MPI send/recv buffers |
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| 69 | REAL(sp), DIMENSION(:), ALLOCATABLE :: buffsnd_sp, buffrcv_sp ! |
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| 70 | INTEGER, DIMENSION(8) :: nreq_p2p ! request id for MPI_Isend in point-2-point communication |
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| 71 | |
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| 72 | !! * Substitutions |
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| 73 | !!# include "do_loop_substitute.h90" |
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| 74 | !!---------------------------------------------------------------------- |
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| 75 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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| 76 | !! $Id$ |
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| 77 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 78 | !!---------------------------------------------------------------------- |
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| 79 | CONTAINS |
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| 80 | |
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| 81 | !!---------------------------------------------------------------------- |
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| 82 | !! *** lbc_lnk_call_[234]d_[sd]p *** |
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| 83 | !! |
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| 84 | !! * Dummy Argument : |
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| 85 | !! in ==> cdname ! name of the calling subroutine (for monitoring) |
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| 86 | !! ptab ! array to be loaded (2D, 3D or 4D) |
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| 87 | !! cd_nat ! nature of pt2d array grid-points |
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| 88 | !! psgn ! sign used across the north fold boundary |
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| 89 | !! inout <=> ptab_ptr ! array of 2D, 3D or 4D pointers |
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| 90 | !! cdna_ptr ! nature of ptab array grid-points |
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| 91 | !! psgn_ptr ! sign used across the north fold boundary |
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| 92 | !! kfld ! number of elements that has been attributed |
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| 93 | !!---------------------------------------------------------------------- |
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| 94 | ! |
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| 95 | !!---------------------------------------------------------------------- |
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| 96 | !! |
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| 97 | !! *** lbc_lnk_call_[234]d_[sd]p *** |
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| 98 | !! *** load_ptr_[234]d_[sd]p *** |
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| 99 | !! |
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| 100 | !!---------------------------------------------------------------------- |
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| 101 | !! |
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| 102 | !! ---- SINGLE PRECISION VERSIONS |
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| 103 | !! |
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| 104 | #define PRECISION sp |
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| 105 | # define DIM_2d |
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| 106 | # include "lbc_lnk_call_generic.h90" |
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| 107 | # undef DIM_2d |
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| 108 | # define DIM_3d |
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| 109 | # include "lbc_lnk_call_generic.h90" |
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| 110 | # undef DIM_3d |
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| 111 | # define DIM_4d |
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| 112 | # include "lbc_lnk_call_generic.h90" |
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| 113 | # undef DIM_4d |
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| 114 | #undef PRECISION |
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| 115 | !! |
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| 116 | !! ---- DOUBLE PRECISION VERSIONS |
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| 117 | !! |
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| 118 | #define PRECISION dp |
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| 119 | # define DIM_2d |
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| 120 | # include "lbc_lnk_call_generic.h90" |
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| 121 | # undef DIM_2d |
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| 122 | # define DIM_3d |
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| 123 | # include "lbc_lnk_call_generic.h90" |
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| 124 | # undef DIM_3d |
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| 125 | # define DIM_4d |
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| 126 | # include "lbc_lnk_call_generic.h90" |
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| 127 | # undef DIM_4d |
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| 128 | #undef PRECISION |
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| 129 | ! |
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| 130 | !!---------------------------------------------------------------------- |
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| 131 | !! *** lbc_lnk_pt2pt_[sd]p *** |
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| 132 | !! *** lbc_lnk_neicoll_[sd]p *** |
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| 133 | !! *** lbc_lnk_newpt2pt_[sd]p *** |
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| 134 | !! |
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| 135 | !! * Argument : dummy argument use in lbc_lnk_... routines |
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| 136 | !! cdname : name of the calling subroutine (for monitoring) |
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| 137 | !! ptab : pointer of arrays on which the boundary condition is applied |
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| 138 | !! cd_nat : nature of array grid-points |
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| 139 | !! psgn : sign used across the north fold boundary |
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| 140 | !! kfld : number of pt3d arrays |
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| 141 | !! kfillmode : optional, method to be use to fill the halos (see jpfill* variables) |
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| 142 | !! pfillval : optional, background value (used with jpfillcopy) |
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| 143 | !!---------------------------------------------------------------------- |
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| 144 | !! |
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| 145 | !! ---- SINGLE PRECISION VERSIONS |
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| 146 | !! |
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| 147 | #define PRECISION sp |
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| 148 | # define MPI_TYPE MPI_REAL |
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| 149 | # define BUFFSND buffsnd_sp |
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| 150 | # define BUFFRCV buffrcv_sp |
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| 151 | # include "lbc_lnk_pt2pt_generic.h90" |
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| 152 | # include "lbc_lnk_newpt2pt_generic.h90" |
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| 153 | # include "lbc_lnk_oldpt2pt_generic.h90" |
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| 154 | # include "lbc_lnk_neicoll_generic.h90" |
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| 155 | # include "lbc_lnk_persistent.h90" |
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| 156 | # include "lbc_lnk_pt2pt_async.h90" |
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| 157 | # undef MPI_TYPE |
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| 158 | # undef BUFFSND |
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| 159 | # undef BUFFRCV |
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| 160 | #undef PRECISION |
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| 161 | !! |
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| 162 | !! ---- DOUBLE PRECISION VERSIONS |
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| 163 | !! |
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| 164 | #define PRECISION dp |
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| 165 | # define MPI_TYPE MPI_DOUBLE_PRECISION |
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| 166 | # define BUFFSND buffsnd_dp |
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| 167 | # define BUFFRCV buffrcv_dp |
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| 168 | # include "lbc_lnk_pt2pt_generic.h90" |
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| 169 | # include "lbc_lnk_newpt2pt_generic.h90" |
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| 170 | # include "lbc_lnk_oldpt2pt_generic.h90" |
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| 171 | # include "lbc_lnk_neicoll_generic.h90" |
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| 172 | # include "lbc_lnk_persistent.h90" |
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| 173 | # include "lbc_lnk_pt2pt_async.h90" |
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| 174 | # undef MPI_TYPE |
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| 175 | # undef BUFFSND |
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| 176 | # undef BUFFRCV |
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| 177 | #undef PRECISION |
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| 178 | |
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| 179 | !!====================================================================== |
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| 180 | !!--------------------------------------------------------------------- |
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| 181 | !! *** routine mpp_lbc_north_icb *** |
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| 182 | !! |
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| 183 | !! ** Purpose : Ensure proper north fold horizontal bondary condition |
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| 184 | !! in mpp configuration in case of jpn1 > 1 and for 2d |
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| 185 | !! array with outer extra halo |
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| 186 | !! |
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| 187 | !! ** Method : North fold condition and mpp with more than one proc |
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| 188 | !! in i-direction require a specific treatment. We gather |
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| 189 | !! the 4+kextj northern lines of the global domain on 1 |
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| 190 | !! processor and apply lbc north-fold on this sub array. |
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| 191 | !! Then we scatter the north fold array back to the processors. |
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| 192 | !! This routine accounts for an extra halo with icebergs |
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| 193 | !! and assumes ghost rows and columns have been suppressed. |
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| 194 | !! |
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| 195 | !!---------------------------------------------------------------------- |
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| 196 | # define SINGLE_PRECISION |
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| 197 | # define ROUTINE_LNK mpp_lbc_north_icb_sp |
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| 198 | # include "mpp_lbc_north_icb_generic.h90" |
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| 199 | # undef ROUTINE_LNK |
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| 200 | # undef SINGLE_PRECISION |
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| 201 | # define ROUTINE_LNK mpp_lbc_north_icb_dp |
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| 202 | # include "mpp_lbc_north_icb_generic.h90" |
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| 203 | # undef ROUTINE_LNK |
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| 204 | |
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| 205 | |
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| 206 | !!---------------------------------------------------------------------- |
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| 207 | !! *** routine mpp_lnk_2d_icb *** |
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| 208 | !! |
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| 209 | !! ** Purpose : Message passing management for 2d array (with extra halo for icebergs) |
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| 210 | !! This routine receives a (1-kexti:jpi+kexti,1-kexti:jpj+kextj) |
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| 211 | !! array (usually (0:jpi+1, 0:jpj+1)) from lbc_lnk_icb calls. |
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| 212 | !! |
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| 213 | !! ** Method : Use mppsend and mpprecv function for passing mask |
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| 214 | !! between processors following neighboring subdomains. |
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| 215 | !! domain parameters |
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| 216 | !! jpi : first dimension of the local subdomain |
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| 217 | !! jpj : second dimension of the local subdomain |
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| 218 | !! mpinei : number of neighboring domains (starting at 0, -1 if no neighbourg) |
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| 219 | !!---------------------------------------------------------------------- |
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| 220 | |
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| 221 | # define SINGLE_PRECISION |
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| 222 | # define ROUTINE_LNK mpp_lnk_2d_icb_sp |
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| 223 | # include "mpp_lnk_icb_generic.h90" |
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| 224 | # undef ROUTINE_LNK |
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| 225 | # undef SINGLE_PRECISION |
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| 226 | # define ROUTINE_LNK mpp_lnk_2d_icb_dp |
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| 227 | # include "mpp_lnk_icb_generic.h90" |
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| 228 | # undef ROUTINE_LNK |
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| 229 | |
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| 230 | END MODULE lbclnk |
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