[2496] | 1 | MODULE nemogcm |
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[2442] | 2 | !!====================================================================== |
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[2496] | 3 | !! *** MODULE nemogcm *** |
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| 4 | !! Ocean system : NEMO GCM (ocean dynamics, on-line tracers, biochemistry and sea-ice) |
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[2442] | 5 | !!====================================================================== |
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[1593] | 6 | !! History : OPA ! 1990-10 (C. Levy, G. Madec) Original code |
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| 7 | !! 7.0 ! 1991-11 (M. Imbard, C. Levy, G. Madec) |
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[3764] | 8 | !! 7.1 ! 1993-03 (M. Imbard, C. Levy, G. Madec, O. Marti, M. Guyon, A. Lazar, |
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| 9 | !! P. Delecluse, C. Perigaud, G. Caniaux, B. Colot, C. Maes) release 7.1 |
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[1593] | 10 | !! - ! 1992-06 (L.Terray) coupling implementation |
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[3764] | 11 | !! - ! 1993-11 (M.A. Filiberti) IGLOO sea-ice |
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| 12 | !! 8.0 ! 1996-03 (M. Imbard, C. Levy, G. Madec, O. Marti, M. Guyon, A. Lazar, |
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[2104] | 13 | !! P. Delecluse, L.Terray, M.A. Filiberti, J. Vialar, A.M. Treguier, M. Levy) release 8.0 |
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[1593] | 14 | !! 8.1 ! 1997-06 (M. Imbard, G. Madec) |
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[3764] | 15 | !! 8.2 ! 1999-11 (M. Imbard, H. Goosse) LIM sea-ice model |
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| 16 | !! ! 1999-12 (V. Thierry, A-M. Treguier, M. Imbard, M-A. Foujols) OPEN-MP |
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[1593] | 17 | !! ! 2000-07 (J-M Molines, M. Imbard) Open Boundary Conditions (CLIPPER) |
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| 18 | !! NEMO 1.0 ! 2002-08 (G. Madec) F90: Free form and modules |
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| 19 | !! - ! 2004-06 (R. Redler, NEC CCRLE, Germany) add OASIS[3/4] coupled interfaces |
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| 20 | !! - ! 2004-08 (C. Talandier) New trends organization |
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| 21 | !! - ! 2005-06 (C. Ethe) Add the 1D configuration possibility |
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| 22 | !! - ! 2005-11 (V. Garnier) Surface pressure gradient organization |
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| 23 | !! - ! 2006-03 (L. Debreu, C. Mazauric) Agrif implementation |
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| 24 | !! - ! 2006-04 (G. Madec, R. Benshila) Step reorganization |
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| 25 | !! - ! 2007-07 (J. Chanut, A. Sellar) Unstructured open boundaries (BDY) |
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| 26 | !! 3.2 ! 2009-08 (S. Masson) open/write in the listing file in mpp |
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[3764] | 27 | !! 3.3 ! 2010-05 (K. Mogensen, A. Weaver, M. Martin, D. Lea) Assimilation interface |
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[2236] | 28 | !! - ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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[3294] | 29 | !! 3.3.1! 2011-01 (A. R. Porter, STFC Daresbury) dynamical allocation |
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[5836] | 30 | !! 3.4 ! 2011-10 (A. C. Coward, NOCS & J. Donners, PRACE) add nemo_northcomms |
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| 31 | !! - ! 2011-11 (C. Harris) decomposition changes for running with CICE |
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| 32 | !! 3.6 ! 2012-05 (C. Calone, J. Simeon, G. Madec, C. Ethe) Add grid coarsening |
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| 33 | !! - ! 2013-06 (I. Epicoco, S. Mocavero, CMCC) nemo_northcomms: setup avoiding MPI communication |
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| 34 | !! - ! 2014-12 (G. Madec) remove KPP scheme and cross-land advection (cla) |
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[1593] | 35 | !!---------------------------------------------------------------------- |
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[3] | 36 | |
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| 37 | !!---------------------------------------------------------------------- |
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[2496] | 38 | !! nemo_gcm : solve ocean dynamics, tracer, biogeochemistry and/or sea-ice |
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| 39 | !! nemo_init : initialization of the NEMO system |
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[3764] | 40 | !! nemo_ctl : initialisation of the contol print |
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[2496] | 41 | !! nemo_closefile : close remaining open files |
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[2715] | 42 | !! nemo_alloc : dynamical allocation |
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| 43 | !! nemo_partition : calculate MPP domain decomposition |
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| 44 | !! factorise : calculate the factors of the no. of MPI processes |
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[3] | 45 | !!---------------------------------------------------------------------- |
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[5836] | 46 | USE step_oce ! module used in the ocean time stepping module (step.F90) |
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[3] | 47 | USE domcfg ! domain configuration (dom_cfg routine) |
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| 48 | USE mppini ! shared/distributed memory setting (mpp_init routine) |
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| 49 | USE domain ! domain initialization (dom_init routine) |
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[3625] | 50 | #if defined key_nemocice_decomp |
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| 51 | USE ice_domain_size, only: nx_global, ny_global |
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| 52 | #endif |
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[3651] | 53 | USE tideini ! tidal components initialization (tide_ini routine) |
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[4990] | 54 | USE bdyini ! open boundary cond. setting (bdy_init routine) |
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| 55 | USE bdydta ! open boundary cond. setting (bdy_dta_init routine) |
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| 56 | USE bdytides ! open boundary cond. setting (bdytide_init routine) |
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[3] | 57 | USE istate ! initial state setting (istate_init routine) |
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| 58 | USE ldfdyn ! lateral viscosity setting (ldfdyn_init routine) |
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| 59 | USE ldftra ! lateral diffusivity setting (ldftra_init routine) |
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[2392] | 60 | USE zdfini ! vertical physics setting (zdf_init routine) |
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[3] | 61 | USE phycst ! physical constant (par_cst routine) |
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[4990] | 62 | USE trdini ! dyn/tra trends initialization (trd_init routine) |
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[3768] | 63 | USE asminc ! assimilation increments |
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| 64 | USE asmbkg ! writing out state trajectory |
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[2236] | 65 | USE diaptr ! poleward transports (dia_ptr_init routine) |
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[3294] | 66 | USE diadct ! sections transports (dia_dct_init routine) |
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[2236] | 67 | USE diaobs ! Observation diagnostics (dia_obs_init routine) |
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[5960] | 68 | USE diacfl ! CFL diagnostics (dia_cfl_init routine) |
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[3764] | 69 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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[2496] | 70 | USE step ! NEMO time-stepping (stp routine) |
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[3609] | 71 | USE icbini ! handle bergs, initialisation |
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| 72 | USE icbstp ! handle bergs, calving, themodynamics and transport |
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[1359] | 73 | USE cpl_oasis3 ! OASIS3 coupling |
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[900] | 74 | USE c1d ! 1D configuration |
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| 75 | USE step_c1d ! Time stepping loop for the 1D configuration |
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[4245] | 76 | USE dyndmp ! Momentum damping |
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[1594] | 77 | #if defined key_top |
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[1593] | 78 | USE trcini ! passive tracer initialisation |
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[1594] | 79 | #endif |
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[1593] | 80 | USE lib_mpp ! distributed memory computing |
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[6005] | 81 | USE diurnal_bulk ! diurnal bulk SST |
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[1412] | 82 | #if defined key_iomput |
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[5836] | 83 | USE xios ! xIOserver |
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[1359] | 84 | #endif |
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[5836] | 85 | USE sbctide, ONLY : lk_tide |
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[4152] | 86 | USE crsini ! initialise grid coarsening utility |
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[5836] | 87 | USE lbcnfd , ONLY : isendto, nsndto, nfsloop, nfeloop ! Setup of north fold exchanges |
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| 88 | USE sbc_oce, ONLY : lk_oasis |
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[5329] | 89 | USE stopar |
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| 90 | USE stopts |
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[268] | 91 | |
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[2715] | 92 | IMPLICIT NONE |
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[3] | 93 | PRIVATE |
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| 94 | |
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[2496] | 95 | PUBLIC nemo_gcm ! called by model.F90 |
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| 96 | PUBLIC nemo_init ! needed by AGRIF |
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[3764] | 97 | PUBLIC nemo_alloc ! needed by TAM |
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[467] | 98 | |
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[2498] | 99 | CHARACTER(lc) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing |
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[1593] | 100 | |
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[3] | 101 | !!---------------------------------------------------------------------- |
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[5836] | 102 | !! NEMO/OPA 3.7 , NEMO Consortium (2015) |
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[2392] | 103 | !! $Id$ |
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[2329] | 104 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[3] | 105 | !!---------------------------------------------------------------------- |
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| 106 | CONTAINS |
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| 107 | |
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[2496] | 108 | SUBROUTINE nemo_gcm |
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[3] | 109 | !!---------------------------------------------------------------------- |
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[2496] | 110 | !! *** ROUTINE nemo_gcm *** |
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[3] | 111 | !! |
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[3764] | 112 | !! ** Purpose : NEMO solves the primitive equations on an orthogonal |
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[1593] | 113 | !! curvilinear mesh on the sphere. |
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[3] | 114 | !! |
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| 115 | !! ** Method : - model general initialization |
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| 116 | !! - launch the time-stepping (stp routine) |
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[1593] | 117 | !! - finalize the run by closing files and communications |
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[3] | 118 | !! |
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[2715] | 119 | !! References : Madec, Delecluse, Imbard, and Levy, 1997: internal report, IPSL. |
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[1593] | 120 | !! Madec, 2008, internal report, IPSL. |
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[3] | 121 | !!---------------------------------------------------------------------- |
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| 122 | INTEGER :: istp ! time step index |
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[389] | 123 | !!---------------------------------------------------------------------- |
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[2382] | 124 | ! |
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[392] | 125 | #if defined key_agrif |
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[1593] | 126 | CALL Agrif_Init_Grids() ! AGRIF: set the meshes |
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[389] | 127 | #endif |
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| 128 | |
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[1593] | 129 | ! !-----------------------! |
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[2496] | 130 | CALL nemo_init !== Initialisations ==! |
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[1593] | 131 | ! !-----------------------! |
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[2715] | 132 | #if defined key_agrif |
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[3680] | 133 | CALL Agrif_Declare_Var_dom ! AGRIF: set the meshes for DOM |
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| 134 | CALL Agrif_Declare_Var ! " " " " " DYN/TRA |
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[2715] | 135 | # if defined key_top |
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[3680] | 136 | CALL Agrif_Declare_Var_top ! " " " " " TOP |
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[2715] | 137 | # endif |
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[3680] | 138 | # if defined key_lim2 |
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| 139 | CALL Agrif_Declare_Var_lim2 ! " " " " " LIM |
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| 140 | # endif |
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[2715] | 141 | #endif |
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[682] | 142 | ! check that all process are still there... If some process have an error, |
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| 143 | ! they will never enter in step and other processes will wait until the end of the cpu time! |
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[900] | 144 | IF( lk_mpp ) CALL mpp_max( nstop ) |
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[682] | 145 | |
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[1593] | 146 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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| 147 | |
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| 148 | ! !-----------------------! |
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| 149 | ! !== time stepping ==! |
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| 150 | ! !-----------------------! |
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[900] | 151 | istp = nit000 |
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[2236] | 152 | #if defined key_c1d |
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[389] | 153 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) |
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[900] | 154 | CALL stp_c1d( istp ) |
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[389] | 155 | istp = istp + 1 |
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| 156 | END DO |
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[2236] | 157 | #else |
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| 158 | IF( lk_asminc ) THEN |
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| 159 | IF( ln_bkgwri ) CALL asm_bkg_wri( nit000 - 1 ) ! Output background fields |
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| 160 | IF( ln_asmdin ) THEN ! Direct initialization |
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| 161 | IF( ln_trainc ) CALL tra_asm_inc( nit000 - 1 ) ! Tracers |
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[3764] | 162 | IF( ln_dyninc ) CALL dyn_asm_inc( nit000 - 1 ) ! Dynamics |
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[2236] | 163 | IF( ln_sshinc ) CALL ssh_asm_inc( nit000 - 1 ) ! SSH |
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| 164 | ENDIF |
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| 165 | ENDIF |
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[3764] | 166 | |
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[5656] | 167 | #if defined key_agrif |
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| 168 | CALL Agrif_Regrid() |
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| 169 | #endif |
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| 170 | |
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[389] | 171 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) |
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[392] | 172 | #if defined key_agrif |
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[5656] | 173 | CALL stp ! AGRIF: time stepping |
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[389] | 174 | #else |
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[6005] | 175 | IF ( .NOT. ln_diurnal_only ) THEN |
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| 176 | CALL stp( istp ) ! standard time stepping |
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| 177 | ELSE |
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| 178 | CALL stp_diurnal( istp ) ! time step only the diurnal SST |
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| 179 | ENDIF |
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[389] | 180 | #endif |
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| 181 | istp = istp + 1 |
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[900] | 182 | IF( lk_mpp ) CALL mpp_max( nstop ) |
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[389] | 183 | END DO |
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[2236] | 184 | #endif |
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| 185 | |
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[5998] | 186 | IF( ln_diaobs ) CALL dia_obs_wri |
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[3609] | 187 | ! |
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| 188 | IF( ln_icebergs ) CALL icb_end( nitend ) |
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[3764] | 189 | |
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[1593] | 190 | ! !------------------------! |
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| 191 | ! !== finalize the run ==! |
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| 192 | ! !------------------------! |
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| 193 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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| 194 | ! |
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| 195 | IF( nstop /= 0 .AND. lwp ) THEN ! error print |
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[682] | 196 | WRITE(numout,cform_err) |
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[3764] | 197 | WRITE(numout,*) nstop, ' error have been found' |
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[389] | 198 | ENDIF |
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[1593] | 199 | ! |
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[3294] | 200 | #if defined key_agrif |
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[5998] | 201 | IF( .NOT. Agrif_Root() ) THEN |
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| 202 | CALL Agrif_ParentGrid_To_ChildGrid() |
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| 203 | IF( ln_diaobs ) CALL dia_obs_wri |
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[5536] | 204 | IF( nn_timing == 1 ) CALL timing_finalize |
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[5836] | 205 | CALL Agrif_ChildGrid_To_ParentGrid() |
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[5536] | 206 | ENDIF |
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[3294] | 207 | #endif |
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| 208 | IF( nn_timing == 1 ) CALL timing_finalize |
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| 209 | ! |
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[2496] | 210 | CALL nemo_closefile |
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[4990] | 211 | ! |
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[3769] | 212 | #if defined key_iomput |
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[5836] | 213 | CALL xios_finalize ! end mpp communications with xios |
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| 214 | IF( lk_oasis ) CALL cpl_finalize ! end coupling and mpp communications with OASIS |
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[532] | 215 | #else |
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[5407] | 216 | IF( lk_oasis ) THEN |
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[4990] | 217 | CALL cpl_finalize ! end coupling and mpp communications with OASIS |
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| 218 | ELSE |
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| 219 | IF( lk_mpp ) CALL mppstop ! end mpp communications |
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| 220 | ENDIF |
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[532] | 221 | #endif |
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[900] | 222 | ! |
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[2496] | 223 | END SUBROUTINE nemo_gcm |
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[389] | 224 | |
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| 225 | |
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[2496] | 226 | SUBROUTINE nemo_init |
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[389] | 227 | !!---------------------------------------------------------------------- |
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[2496] | 228 | !! *** ROUTINE nemo_init *** |
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[389] | 229 | !! |
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[2496] | 230 | !! ** Purpose : initialization of the NEMO GCM |
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[389] | 231 | !!---------------------------------------------------------------------- |
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[2715] | 232 | INTEGER :: ji ! dummy loop indices |
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| 233 | INTEGER :: ilocal_comm ! local integer |
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[4147] | 234 | INTEGER :: ios |
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[2715] | 235 | CHARACTER(len=80), DIMENSION(16) :: cltxt |
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[4990] | 236 | ! |
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| 237 | NAMELIST/namctl/ ln_ctl , nn_print, nn_ictls, nn_ictle, & |
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[3294] | 238 | & nn_isplt, nn_jsplt, nn_jctls, nn_jctle, & |
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[5960] | 239 | & nn_bench, nn_timing, nn_diacfl |
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[4147] | 240 | NAMELIST/namcfg/ cp_cfg, cp_cfz, jp_cfg, jpidta, jpjdta, jpkdta, jpiglo, jpjglo, & |
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[5118] | 241 | & jpizoom, jpjzoom, jperio, ln_use_jattr |
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[3] | 242 | !!---------------------------------------------------------------------- |
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[1593] | 243 | ! |
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[2496] | 244 | cltxt = '' |
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[5407] | 245 | cxios_context = 'nemo' |
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[2496] | 246 | ! |
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[4147] | 247 | ! ! Open reference namelist and configuration namelist files |
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| 248 | CALL ctl_opn( numnam_ref, 'namelist_ref', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. ) |
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| 249 | CALL ctl_opn( numnam_cfg, 'namelist_cfg', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. ) |
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[1593] | 250 | ! |
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[4147] | 251 | REWIND( numnam_ref ) ! Namelist namctl in reference namelist : Control prints & Benchmark |
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| 252 | READ ( numnam_ref, namctl, IOSTAT = ios, ERR = 901 ) |
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[4289] | 253 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namctl in reference namelist', .TRUE. ) |
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[4147] | 254 | |
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| 255 | REWIND( numnam_cfg ) ! Namelist namctl in confguration namelist : Control prints & Benchmark |
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| 256 | READ ( numnam_cfg, namctl, IOSTAT = ios, ERR = 902 ) |
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[4289] | 257 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namctl in configuration namelist', .TRUE. ) |
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[4147] | 258 | |
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[1593] | 259 | ! |
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[4147] | 260 | REWIND( numnam_ref ) ! Namelist namcfg in reference namelist : Control prints & Benchmark |
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| 261 | READ ( numnam_ref, namcfg, IOSTAT = ios, ERR = 903 ) |
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[4289] | 262 | 903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namcfg in reference namelist', .TRUE. ) |
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[4147] | 263 | |
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| 264 | REWIND( numnam_cfg ) ! Namelist namcfg in confguration namelist : Control prints & Benchmark |
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| 265 | READ ( numnam_cfg, namcfg, IOSTAT = ios, ERR = 904 ) |
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[4289] | 266 | 904 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namcfg in configuration namelist', .TRUE. ) |
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[4309] | 267 | |
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[4147] | 268 | ! Force values for AGRIF zoom (cf. agrif_user.F90) |
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| 269 | #if defined key_agrif |
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| 270 | IF( .NOT. Agrif_Root() ) THEN |
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| 271 | jpiglo = nbcellsx + 2 + 2*nbghostcells |
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| 272 | jpjglo = nbcellsy + 2 + 2*nbghostcells |
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| 273 | jpi = ( jpiglo-2*jpreci + (jpni-1+0) ) / jpni + 2*jpreci |
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| 274 | jpj = ( jpjglo-2*jprecj + (jpnj-1+0) ) / jpnj + 2*jprecj |
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| 275 | jpidta = jpiglo |
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| 276 | jpjdta = jpjglo |
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| 277 | jpizoom = 1 |
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| 278 | jpjzoom = 1 |
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| 279 | nperio = 0 |
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| 280 | jperio = 0 |
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[5118] | 281 | ln_use_jattr = .false. |
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[4147] | 282 | ENDIF |
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| 283 | #endif |
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| 284 | ! |
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[1593] | 285 | ! !--------------------------------------------! |
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| 286 | ! ! set communicator & select the local node ! |
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[4624] | 287 | ! ! NB: mynode also opens output.namelist.dyn ! |
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| 288 | ! ! on unit number numond on first proc ! |
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[1593] | 289 | ! !--------------------------------------------! |
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[1412] | 290 | #if defined key_iomput |
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[2200] | 291 | IF( Agrif_Root() ) THEN |
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[5407] | 292 | IF( lk_oasis ) THEN |
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| 293 | CALL cpl_init( "oceanx", ilocal_comm ) ! nemo local communicator given by oasis |
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| 294 | CALL xios_initialize( "not used",local_comm=ilocal_comm ) ! send nemo communicator to xios |
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[4990] | 295 | ELSE |
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[5407] | 296 | CALL xios_initialize( "for_xios_mpi_id",return_comm=ilocal_comm ) ! nemo local communicator given by xios |
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[4990] | 297 | ENDIF |
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[2200] | 298 | ENDIF |
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[5407] | 299 | ! Nodes selection (control print return in cltxt) |
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| 300 | narea = mynode( cltxt, 'output.namelist.dyn', numnam_ref, numnam_cfg, numond , nstop, ilocal_comm ) |
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[532] | 301 | #else |
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[5407] | 302 | IF( lk_oasis ) THEN |
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[4990] | 303 | IF( Agrif_Root() ) THEN |
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[5407] | 304 | CALL cpl_init( "oceanx", ilocal_comm ) ! nemo local communicator given by oasis |
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[4990] | 305 | ENDIF |
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[5407] | 306 | ! Nodes selection (control print return in cltxt) |
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| 307 | narea = mynode( cltxt, 'output.namelist.dyn', numnam_ref, numnam_cfg, numond , nstop, ilocal_comm ) |
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[4990] | 308 | ELSE |
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| 309 | ilocal_comm = 0 |
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[5407] | 310 | ! Nodes selection (control print return in cltxt) |
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| 311 | narea = mynode( cltxt, 'output.namelist.dyn', numnam_ref, numnam_cfg, numond , nstop ) |
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[2236] | 312 | ENDIF |
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[532] | 313 | #endif |
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[2715] | 314 | narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 ) |
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[3] | 315 | |
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[4624] | 316 | lwm = (narea == 1) ! control of output namelists |
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[2715] | 317 | lwp = (narea == 1) .OR. ln_ctl ! control of all listing output print |
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[1579] | 318 | |
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[4624] | 319 | IF(lwm) THEN |
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| 320 | ! write merged namelists from earlier to output namelist now that the |
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| 321 | ! file has been opened in call to mynode. nammpp has already been |
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| 322 | ! written in mynode (if lk_mpp_mpi) |
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| 323 | WRITE( numond, namctl ) |
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| 324 | WRITE( numond, namcfg ) |
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| 325 | ENDIF |
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| 326 | |
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[3764] | 327 | ! If dimensions of processor grid weren't specified in the namelist file |
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[2715] | 328 | ! then we calculate them here now that we have our communicator size |
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[5836] | 329 | IF( jpni < 1 .OR. jpnj < 1 ) THEN |
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[2715] | 330 | #if defined key_mpp_mpi |
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[5836] | 331 | IF( Agrif_Root() ) CALL nemo_partition( mppsize ) |
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[2715] | 332 | #else |
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| 333 | jpni = 1 |
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| 334 | jpnj = 1 |
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| 335 | jpnij = jpni*jpnj |
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| 336 | #endif |
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[5836] | 337 | ENDIF |
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[2715] | 338 | |
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| 339 | ! Calculate domain dimensions given calculated jpni and jpnj |
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[5836] | 340 | ! This used to be done in par_oce.F90 when they were parameters rather than variables |
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[2715] | 341 | IF( Agrif_Root() ) THEN |
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[3294] | 342 | #if defined key_nemocice_decomp |
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[5836] | 343 | jpi = ( nx_global+2-2*jpreci + (jpni-1) ) / jpni + 2*jpreci ! first dim. |
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| 344 | jpj = ( ny_global+2-2*jprecj + (jpnj-1) ) / jpnj + 2*jprecj ! second dim. |
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[3294] | 345 | #else |
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[5836] | 346 | jpi = ( jpiglo -2*jpreci + (jpni-1) ) / jpni + 2*jpreci ! first dim. |
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| 347 | jpj = ( jpjglo -2*jprecj + (jpnj-1) ) / jpnj + 2*jprecj ! second dim. |
---|
[3294] | 348 | #endif |
---|
[5656] | 349 | ENDIF |
---|
[2715] | 350 | jpk = jpkdta ! third dim |
---|
[5656] | 351 | #if defined key_agrif |
---|
[5836] | 352 | ! simple trick to use same vertical grid as parent but different number of levels: |
---|
| 353 | ! Save maximum number of levels in jpkdta, then define all vertical grids with this number. |
---|
[5656] | 354 | ! Suppress once vertical online interpolation is ok |
---|
[5836] | 355 | IF(.NOT.Agrif_Root()) jpkdta = Agrif_Parent( jpkdta ) |
---|
[5656] | 356 | #endif |
---|
[2715] | 357 | jpim1 = jpi-1 ! inner domain indices |
---|
| 358 | jpjm1 = jpj-1 ! " " |
---|
| 359 | jpkm1 = jpk-1 ! " " |
---|
| 360 | jpij = jpi*jpj ! jpi x j |
---|
| 361 | |
---|
[1593] | 362 | IF(lwp) THEN ! open listing units |
---|
| 363 | ! |
---|
[1581] | 364 | CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea ) |
---|
[1593] | 365 | ! |
---|
[1579] | 366 | WRITE(numout,*) |
---|
[3294] | 367 | WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean - INGV - CMCC' |
---|
[1593] | 368 | WRITE(numout,*) ' NEMO team' |
---|
[1579] | 369 | WRITE(numout,*) ' Ocean General Circulation Model' |
---|
[5836] | 370 | WRITE(numout,*) ' version 3.7 (2015) ' |
---|
[1579] | 371 | WRITE(numout,*) |
---|
| 372 | WRITE(numout,*) |
---|
[3764] | 373 | DO ji = 1, SIZE(cltxt) |
---|
[1593] | 374 | IF( TRIM(cltxt(ji)) /= '' ) WRITE(numout,*) cltxt(ji) ! control print of mynode |
---|
[1579] | 375 | END DO |
---|
[1593] | 376 | WRITE(numout,cform_aaa) ! Flag AAAAAAA |
---|
| 377 | ! |
---|
[473] | 378 | ENDIF |
---|
[2715] | 379 | |
---|
[3764] | 380 | ! Now we know the dimensions of the grid and numout has been set we can |
---|
[2715] | 381 | ! allocate arrays |
---|
| 382 | CALL nemo_alloc() |
---|
| 383 | |
---|
[2496] | 384 | ! !-------------------------------! |
---|
| 385 | ! ! NEMO general initialization ! |
---|
| 386 | ! !-------------------------------! |
---|
[473] | 387 | |
---|
[2496] | 388 | CALL nemo_ctl ! Control prints & Benchmark |
---|
[531] | 389 | |
---|
[2082] | 390 | ! ! Domain decomposition |
---|
[1593] | 391 | IF( jpni*jpnj == jpnij ) THEN ; CALL mpp_init ! standard cutting out |
---|
| 392 | ELSE ; CALL mpp_init2 ! eliminate land processors |
---|
[3] | 393 | ENDIF |
---|
[2382] | 394 | ! |
---|
[3294] | 395 | IF( nn_timing == 1 ) CALL timing_init |
---|
| 396 | ! |
---|
[2082] | 397 | ! ! General initialization |
---|
[2027] | 398 | CALL phy_cst ! Physical constants |
---|
| 399 | CALL eos_init ! Equation of state |
---|
[4245] | 400 | IF( lk_c1d ) CALL c1d_init ! 1D column configuration |
---|
[2027] | 401 | CALL dom_cfg ! Domain configuration |
---|
| 402 | CALL dom_init ! Domain |
---|
[5836] | 403 | IF( ln_crs ) CALL crs_init ! coarsened grid: domain initialization |
---|
| 404 | IF( ln_nnogather ) CALL nemo_northcomms! northfold neighbour lists (must be done after the masks are defined) |
---|
[2027] | 405 | IF( ln_ctl ) CALL prt_ctl_init ! Print control |
---|
[6005] | 406 | |
---|
| 407 | CALL diurnal_sst_bulk_init ! diurnal sst |
---|
| 408 | IF ( ln_diurnal ) CALL diurnal_sst_coolskin_init ! cool skin |
---|
| 409 | |
---|
| 410 | ! IF ln_diurnal_only, then we only want a subset of the initialisation routines |
---|
| 411 | IF ( ln_diurnal_only ) THEN |
---|
| 412 | CALL istate_init ! ocean initial state (Dynamics and tracers) |
---|
| 413 | CALL sbc_init ! Forcings : surface module |
---|
| 414 | CALL tra_qsr_init ! penetrative solar radiation qsr |
---|
[6008] | 415 | IF( ln_diaobs ) THEN ! Observation & model comparison |
---|
[6005] | 416 | CALL dia_obs_init ! Initialize observational data |
---|
| 417 | CALL dia_obs( nit000 - 1 ) ! Observation operator for restart |
---|
| 418 | ENDIF |
---|
| 419 | ! ! Assimilation increments |
---|
| 420 | IF( lk_asminc ) CALL asm_inc_init ! Initialize assimilation increments |
---|
| 421 | |
---|
| 422 | IF(lwp) WRITE(numout,*) 'Euler time step switch is ', neuler |
---|
| 423 | RETURN |
---|
| 424 | ENDIF |
---|
| 425 | |
---|
[3651] | 426 | CALL istate_init ! ocean initial state (Dynamics and tracers) |
---|
| 427 | |
---|
[5836] | 428 | ! ! external forcing |
---|
| 429 | !!gm to be added : creation and call of sbc_apr_init |
---|
| 430 | IF( lk_tide ) CALL tide_init( nit000 ) ! tidal harmonics |
---|
| 431 | CALL sbc_init ! surface boundary conditions (including sea-ice) |
---|
| 432 | !!gm ==>> bdy_init should call bdy_dta_init and bdytide_init NOT in nemogcm !!! |
---|
[4990] | 433 | IF( lk_bdy ) CALL bdy_init ! Open boundaries initialisation |
---|
| 434 | IF( lk_bdy ) CALL bdy_dta_init ! Open boundaries initialisation of external data arrays |
---|
[4292] | 435 | IF( lk_bdy .AND. lk_tide ) & |
---|
[4990] | 436 | & CALL bdytide_init ! Open boundaries initialisation of tidal harmonic forcing |
---|
[5836] | 437 | |
---|
| 438 | ! ! Ocean physics |
---|
[2082] | 439 | ! ! Vertical physics |
---|
| 440 | CALL zdf_init ! namelist read |
---|
| 441 | CALL zdf_bfr_init ! bottom friction |
---|
| 442 | IF( lk_zdfric ) CALL zdf_ric_init ! Richardson number dependent Kz |
---|
[2329] | 443 | IF( lk_zdftke ) CALL zdf_tke_init ! TKE closure scheme |
---|
| 444 | IF( lk_zdfgls ) CALL zdf_gls_init ! GLS closure scheme |
---|
[2082] | 445 | IF( lk_zdftmx ) CALL zdf_tmx_init ! tidal vertical mixing |
---|
[5836] | 446 | IF( lk_zdfddm ) CALL zdf_ddm_init ! double diffusive mixing |
---|
| 447 | |
---|
[2082] | 448 | ! ! Lateral physics |
---|
| 449 | CALL ldf_tra_init ! Lateral ocean tracer physics |
---|
[5836] | 450 | CALL ldf_eiv_init ! eddy induced velocity param. |
---|
[2082] | 451 | CALL ldf_dyn_init ! Lateral ocean momentum physics |
---|
| 452 | |
---|
[5836] | 453 | ! ! Active tracers |
---|
| 454 | CALL tra_qsr_init ! penetrative solar radiation qsr |
---|
| 455 | CALL tra_bbc_init ! bottom heat flux |
---|
| 456 | IF( lk_trabbl ) CALL tra_bbl_init ! advective (and/or diffusive) bottom boundary layer scheme |
---|
| 457 | CALL tra_dmp_init ! internal tracer damping |
---|
| 458 | CALL tra_adv_init ! horizontal & vertical advection |
---|
| 459 | CALL tra_ldf_init ! lateral mixing |
---|
| 460 | CALL tra_zdf_init ! vertical mixing and after tracer fields |
---|
[2027] | 461 | |
---|
[5836] | 462 | ! ! Dynamics |
---|
| 463 | IF( lk_c1d ) CALL dyn_dmp_init ! internal momentum damping |
---|
| 464 | CALL dyn_adv_init ! advection (vector or flux form) |
---|
| 465 | CALL dyn_vor_init ! vorticity term including Coriolis |
---|
| 466 | CALL dyn_ldf_init ! lateral mixing |
---|
| 467 | CALL dyn_hpg_init ! horizontal gradient of Hydrostatic pressure |
---|
| 468 | CALL dyn_zdf_init ! vertical diffusion |
---|
| 469 | CALL dyn_spg_init ! surface pressure gradient |
---|
[3764] | 470 | |
---|
[5836] | 471 | #if defined key_top |
---|
| 472 | ! ! Passive tracers |
---|
| 473 | CALL trc_init |
---|
| 474 | #endif |
---|
| 475 | IF( l_ldfslp ) CALL ldf_slp_init ! slope of lateral mixing |
---|
| 476 | |
---|
| 477 | ! ! Icebergs |
---|
[3609] | 478 | CALL icb_init( rdt, nit000) ! initialise icebergs instance |
---|
[5836] | 479 | |
---|
| 480 | ! ! Misc. options |
---|
[5329] | 481 | CALL sto_par_init ! Stochastic parametrization |
---|
| 482 | IF( ln_sto_eos ) CALL sto_pts_init ! RRandom T/S fluctuations |
---|
[4147] | 483 | |
---|
[5836] | 484 | ! ! Diagnostics |
---|
[3294] | 485 | IF( lk_floats ) CALL flo_init ! drifting Floats |
---|
[5960] | 486 | CALL dia_cfl_init ! Initialise CFL diagnostics |
---|
[2392] | 487 | IF( lk_diaar5 ) CALL dia_ar5_init ! ar5 diag |
---|
[2027] | 488 | CALL dia_ptr_init ! Poleward TRansports initialization |
---|
[3294] | 489 | IF( lk_diadct ) CALL dia_dct_init ! Sections tranports |
---|
[2148] | 490 | CALL dia_hsb_init ! heat content, salt content and volume budgets |
---|
[4990] | 491 | CALL trd_init ! Mixed-layer/Vorticity/Integral constraints trends |
---|
[2382] | 492 | CALL dia_obs_init ! Initialize observational data |
---|
[5998] | 493 | IF( ln_diaobs ) CALL dia_obs( nit000 - 1 ) ! Observation operator for restart |
---|
| 494 | |
---|
| 495 | ! ! Assimilation increments |
---|
[2392] | 496 | IF( lk_asminc ) CALL asm_inc_init ! Initialize assimilation increments |
---|
[2382] | 497 | IF(lwp) WRITE(numout,*) 'Euler time step switch is ', neuler |
---|
[1593] | 498 | ! |
---|
[2496] | 499 | END SUBROUTINE nemo_init |
---|
[467] | 500 | |
---|
| 501 | |
---|
[2496] | 502 | SUBROUTINE nemo_ctl |
---|
[467] | 503 | !!---------------------------------------------------------------------- |
---|
[2496] | 504 | !! *** ROUTINE nemo_ctl *** |
---|
[467] | 505 | !! |
---|
[3764] | 506 | !! ** Purpose : control print setting |
---|
[467] | 507 | !! |
---|
[2442] | 508 | !! ** Method : - print namctl information and check some consistencies |
---|
[467] | 509 | !!---------------------------------------------------------------------- |
---|
[2442] | 510 | ! |
---|
[2496] | 511 | IF(lwp) THEN ! control print |
---|
[531] | 512 | WRITE(numout,*) |
---|
[2496] | 513 | WRITE(numout,*) 'nemo_ctl: Control prints & Benchmark' |
---|
[531] | 514 | WRITE(numout,*) '~~~~~~~ ' |
---|
[1593] | 515 | WRITE(numout,*) ' Namelist namctl' |
---|
[1601] | 516 | WRITE(numout,*) ' run control (for debugging) ln_ctl = ', ln_ctl |
---|
| 517 | WRITE(numout,*) ' level of print nn_print = ', nn_print |
---|
| 518 | WRITE(numout,*) ' Start i indice for SUM control nn_ictls = ', nn_ictls |
---|
| 519 | WRITE(numout,*) ' End i indice for SUM control nn_ictle = ', nn_ictle |
---|
| 520 | WRITE(numout,*) ' Start j indice for SUM control nn_jctls = ', nn_jctls |
---|
| 521 | WRITE(numout,*) ' End j indice for SUM control nn_jctle = ', nn_jctle |
---|
| 522 | WRITE(numout,*) ' number of proc. following i nn_isplt = ', nn_isplt |
---|
| 523 | WRITE(numout,*) ' number of proc. following j nn_jsplt = ', nn_jsplt |
---|
| 524 | WRITE(numout,*) ' benchmark parameter (0/1) nn_bench = ', nn_bench |
---|
[3610] | 525 | WRITE(numout,*) ' timing activated (0/1) nn_timing = ', nn_timing |
---|
[531] | 526 | ENDIF |
---|
[2442] | 527 | ! |
---|
[1601] | 528 | nprint = nn_print ! convert DOCTOR namelist names into OLD names |
---|
| 529 | nictls = nn_ictls |
---|
| 530 | nictle = nn_ictle |
---|
| 531 | njctls = nn_jctls |
---|
| 532 | njctle = nn_jctle |
---|
| 533 | isplt = nn_isplt |
---|
| 534 | jsplt = nn_jsplt |
---|
| 535 | nbench = nn_bench |
---|
[4147] | 536 | |
---|
| 537 | IF(lwp) THEN ! control print |
---|
| 538 | WRITE(numout,*) |
---|
| 539 | WRITE(numout,*) 'namcfg : configuration initialization through namelist read' |
---|
| 540 | WRITE(numout,*) '~~~~~~~ ' |
---|
| 541 | WRITE(numout,*) ' Namelist namcfg' |
---|
[5836] | 542 | WRITE(numout,*) ' configuration name cp_cfg = ', TRIM(cp_cfg) |
---|
| 543 | WRITE(numout,*) ' configuration zoom name cp_cfz = ', TRIM(cp_cfz) |
---|
| 544 | WRITE(numout,*) ' configuration resolution jp_cfg = ', jp_cfg |
---|
| 545 | WRITE(numout,*) ' 1st lateral dimension ( >= jpiglo ) jpidta = ', jpidta |
---|
| 546 | WRITE(numout,*) ' 2nd " " ( >= jpjglo ) jpjdta = ', jpjdta |
---|
| 547 | WRITE(numout,*) ' 3nd " " jpkdta = ', jpkdta |
---|
| 548 | WRITE(numout,*) ' 1st dimension of global domain in i jpiglo = ', jpiglo |
---|
| 549 | WRITE(numout,*) ' 2nd - - in j jpjglo = ', jpjglo |
---|
[4147] | 550 | WRITE(numout,*) ' left bottom i index of the zoom (in data domain) jpizoom = ', jpizoom |
---|
| 551 | WRITE(numout,*) ' left bottom j index of the zoom (in data domain) jpizoom = ', jpjzoom |
---|
[5836] | 552 | WRITE(numout,*) ' lateral cond. type (between 0 and 6) jperio = ', jperio |
---|
[5118] | 553 | WRITE(numout,*) ' use file attribute if exists as i/p j-start ln_use_jattr = ', ln_use_jattr |
---|
[4147] | 554 | ENDIF |
---|
[2442] | 555 | ! ! Parameter control |
---|
[1593] | 556 | ! |
---|
| 557 | IF( ln_ctl ) THEN ! sub-domain area indices for the control prints |
---|
[3294] | 558 | IF( lk_mpp .AND. jpnij > 1 ) THEN |
---|
[2496] | 559 | isplt = jpni ; jsplt = jpnj ; ijsplt = jpni*jpnj ! the domain is forced to the real split domain |
---|
[531] | 560 | ELSE |
---|
| 561 | IF( isplt == 1 .AND. jsplt == 1 ) THEN |
---|
[1593] | 562 | CALL ctl_warn( ' - isplt & jsplt are equal to 1', & |
---|
| 563 | & ' - the print control will be done over the whole domain' ) |
---|
[531] | 564 | ENDIF |
---|
[1593] | 565 | ijsplt = isplt * jsplt ! total number of processors ijsplt |
---|
[531] | 566 | ENDIF |
---|
| 567 | IF(lwp) WRITE(numout,*)' - The total number of processors over which the' |
---|
| 568 | IF(lwp) WRITE(numout,*)' print control will be done is ijsplt : ', ijsplt |
---|
[1593] | 569 | ! |
---|
| 570 | ! ! indices used for the SUM control |
---|
| 571 | IF( nictls+nictle+njctls+njctle == 0 ) THEN ! print control done over the default area |
---|
[3764] | 572 | lsp_area = .FALSE. |
---|
[1593] | 573 | ELSE ! print control done over a specific area |
---|
[531] | 574 | lsp_area = .TRUE. |
---|
| 575 | IF( nictls < 1 .OR. nictls > jpiglo ) THEN |
---|
| 576 | CALL ctl_warn( ' - nictls must be 1<=nictls>=jpiglo, it is forced to 1' ) |
---|
| 577 | nictls = 1 |
---|
| 578 | ENDIF |
---|
| 579 | IF( nictle < 1 .OR. nictle > jpiglo ) THEN |
---|
| 580 | CALL ctl_warn( ' - nictle must be 1<=nictle>=jpiglo, it is forced to jpiglo' ) |
---|
| 581 | nictle = jpiglo |
---|
| 582 | ENDIF |
---|
| 583 | IF( njctls < 1 .OR. njctls > jpjglo ) THEN |
---|
| 584 | CALL ctl_warn( ' - njctls must be 1<=njctls>=jpjglo, it is forced to 1' ) |
---|
| 585 | njctls = 1 |
---|
| 586 | ENDIF |
---|
| 587 | IF( njctle < 1 .OR. njctle > jpjglo ) THEN |
---|
| 588 | CALL ctl_warn( ' - njctle must be 1<=njctle>=jpjglo, it is forced to jpjglo' ) |
---|
| 589 | njctle = jpjglo |
---|
| 590 | ENDIF |
---|
[1593] | 591 | ENDIF |
---|
| 592 | ENDIF |
---|
[2442] | 593 | ! |
---|
[3764] | 594 | IF( nbench == 1 ) THEN ! Benchmark |
---|
[531] | 595 | SELECT CASE ( cp_cfg ) |
---|
[1593] | 596 | CASE ( 'gyre' ) ; CALL ctl_warn( ' The Benchmark is activated ' ) |
---|
| 597 | CASE DEFAULT ; CALL ctl_stop( ' The Benchmark is based on the GYRE configuration:', & |
---|
[4147] | 598 | & ' cp_cfg = "gyre" in namelist &namcfg or set nbench = 0' ) |
---|
[531] | 599 | END SELECT |
---|
| 600 | ENDIF |
---|
[1593] | 601 | ! |
---|
[3764] | 602 | IF( 1_wp /= SIGN(1._wp,-0._wp) ) CALL ctl_stop( 'nemo_ctl: The intrinsec SIGN function follows ', & |
---|
| 603 | & 'f2003 standard. ' , & |
---|
| 604 | & 'Compile with key_nosignedzero enabled' ) |
---|
| 605 | ! |
---|
[2496] | 606 | END SUBROUTINE nemo_ctl |
---|
[467] | 607 | |
---|
| 608 | |
---|
[2496] | 609 | SUBROUTINE nemo_closefile |
---|
[467] | 610 | !!---------------------------------------------------------------------- |
---|
[2496] | 611 | !! *** ROUTINE nemo_closefile *** |
---|
[467] | 612 | !! |
---|
| 613 | !! ** Purpose : Close the files |
---|
| 614 | !!---------------------------------------------------------------------- |
---|
[1593] | 615 | ! |
---|
| 616 | IF( lk_mpp ) CALL mppsync |
---|
| 617 | ! |
---|
[1685] | 618 | CALL iom_close ! close all input/output files managed by iom_* |
---|
[1593] | 619 | ! |
---|
[4147] | 620 | IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file |
---|
| 621 | IF( numsol /= -1 ) CLOSE( numsol ) ! solver file |
---|
| 622 | IF( numnam_ref /= -1 ) CLOSE( numnam_ref ) ! oce reference namelist |
---|
| 623 | IF( numnam_cfg /= -1 ) CLOSE( numnam_cfg ) ! oce configuration namelist |
---|
[4624] | 624 | IF( lwm.AND.numond /= -1 ) CLOSE( numond ) ! oce output namelist |
---|
[4147] | 625 | IF( numnam_ice_ref /= -1 ) CLOSE( numnam_ice_ref ) ! ice reference namelist |
---|
| 626 | IF( numnam_ice_cfg /= -1 ) CLOSE( numnam_ice_cfg ) ! ice configuration namelist |
---|
[4624] | 627 | IF( lwm.AND.numoni /= -1 ) CLOSE( numoni ) ! ice output namelist |
---|
[4147] | 628 | IF( numevo_ice /= -1 ) CLOSE( numevo_ice ) ! ice variables (temp. evolution) |
---|
| 629 | IF( numout /= 6 ) CLOSE( numout ) ! standard model output file |
---|
| 630 | IF( numdct_vol /= -1 ) CLOSE( numdct_vol ) ! volume transports |
---|
| 631 | IF( numdct_heat /= -1 ) CLOSE( numdct_heat ) ! heat transports |
---|
| 632 | IF( numdct_salt /= -1 ) CLOSE( numdct_salt ) ! salt transports |
---|
[1593] | 633 | ! |
---|
[2442] | 634 | numout = 6 ! redefine numout in case it is used after this point... |
---|
| 635 | ! |
---|
[2496] | 636 | END SUBROUTINE nemo_closefile |
---|
[467] | 637 | |
---|
[2715] | 638 | |
---|
| 639 | SUBROUTINE nemo_alloc |
---|
| 640 | !!---------------------------------------------------------------------- |
---|
| 641 | !! *** ROUTINE nemo_alloc *** |
---|
| 642 | !! |
---|
| 643 | !! ** Purpose : Allocate all the dynamic arrays of the OPA modules |
---|
| 644 | !! |
---|
| 645 | !! ** Method : |
---|
| 646 | !!---------------------------------------------------------------------- |
---|
| 647 | USE diawri , ONLY: dia_wri_alloc |
---|
| 648 | USE dom_oce , ONLY: dom_oce_alloc |
---|
| 649 | USE trc_oce , ONLY: trc_oce_alloc |
---|
[3680] | 650 | #if defined key_diadct |
---|
| 651 | USE diadct , ONLY: diadct_alloc |
---|
| 652 | #endif |
---|
[4354] | 653 | #if defined key_bdy |
---|
| 654 | USE bdy_oce , ONLY: bdy_oce_alloc |
---|
| 655 | #endif |
---|
[2715] | 656 | ! |
---|
| 657 | INTEGER :: ierr |
---|
| 658 | !!---------------------------------------------------------------------- |
---|
| 659 | ! |
---|
[3764] | 660 | ierr = oce_alloc () ! ocean |
---|
[2715] | 661 | ierr = ierr + dia_wri_alloc () |
---|
| 662 | ierr = ierr + dom_oce_alloc () ! ocean domain |
---|
| 663 | ierr = ierr + zdf_oce_alloc () ! ocean vertical physics |
---|
| 664 | ! |
---|
| 665 | ierr = ierr + trc_oce_alloc () ! shared TRC / TRA arrays |
---|
| 666 | ! |
---|
[3680] | 667 | #if defined key_diadct |
---|
| 668 | ierr = ierr + diadct_alloc () ! |
---|
| 669 | #endif |
---|
[4354] | 670 | #if defined key_bdy |
---|
| 671 | ierr = ierr + bdy_oce_alloc () ! bdy masks (incl. initialization) |
---|
| 672 | #endif |
---|
[3680] | 673 | ! |
---|
[2715] | 674 | IF( lk_mpp ) CALL mpp_sum( ierr ) |
---|
| 675 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc : unable to allocate standard ocean arrays' ) |
---|
| 676 | ! |
---|
| 677 | END SUBROUTINE nemo_alloc |
---|
| 678 | |
---|
| 679 | |
---|
| 680 | SUBROUTINE nemo_partition( num_pes ) |
---|
| 681 | !!---------------------------------------------------------------------- |
---|
| 682 | !! *** ROUTINE nemo_partition *** |
---|
| 683 | !! |
---|
[3764] | 684 | !! ** Purpose : |
---|
[2715] | 685 | !! |
---|
| 686 | !! ** Method : |
---|
| 687 | !!---------------------------------------------------------------------- |
---|
[4990] | 688 | INTEGER, INTENT(in) :: num_pes ! The number of MPI processes we have |
---|
[2715] | 689 | ! |
---|
| 690 | INTEGER, PARAMETER :: nfactmax = 20 |
---|
| 691 | INTEGER :: nfact ! The no. of factors returned |
---|
| 692 | INTEGER :: ierr ! Error flag |
---|
| 693 | INTEGER :: ji |
---|
| 694 | INTEGER :: idiff, mindiff, imin ! For choosing pair of factors that are closest in value |
---|
| 695 | INTEGER, DIMENSION(nfactmax) :: ifact ! Array of factors |
---|
| 696 | !!---------------------------------------------------------------------- |
---|
[4990] | 697 | ! |
---|
[2715] | 698 | ierr = 0 |
---|
[4990] | 699 | ! |
---|
[2715] | 700 | CALL factorise( ifact, nfactmax, nfact, num_pes, ierr ) |
---|
[4990] | 701 | ! |
---|
[2715] | 702 | IF( nfact <= 1 ) THEN |
---|
| 703 | WRITE (numout, *) 'WARNING: factorisation of number of PEs failed' |
---|
| 704 | WRITE (numout, *) ' : using grid of ',num_pes,' x 1' |
---|
| 705 | jpnj = 1 |
---|
| 706 | jpni = num_pes |
---|
| 707 | ELSE |
---|
| 708 | ! Search through factors for the pair that are closest in value |
---|
| 709 | mindiff = 1000000 |
---|
| 710 | imin = 1 |
---|
| 711 | DO ji = 1, nfact-1, 2 |
---|
| 712 | idiff = ABS( ifact(ji) - ifact(ji+1) ) |
---|
| 713 | IF( idiff < mindiff ) THEN |
---|
| 714 | mindiff = idiff |
---|
| 715 | imin = ji |
---|
| 716 | ENDIF |
---|
| 717 | END DO |
---|
| 718 | jpnj = ifact(imin) |
---|
| 719 | jpni = ifact(imin + 1) |
---|
| 720 | ENDIF |
---|
| 721 | ! |
---|
| 722 | jpnij = jpni*jpnj |
---|
| 723 | ! |
---|
| 724 | END SUBROUTINE nemo_partition |
---|
| 725 | |
---|
| 726 | |
---|
| 727 | SUBROUTINE factorise( kfax, kmaxfax, knfax, kn, kerr ) |
---|
| 728 | !!---------------------------------------------------------------------- |
---|
| 729 | !! *** ROUTINE factorise *** |
---|
| 730 | !! |
---|
| 731 | !! ** Purpose : return the prime factors of n. |
---|
[3764] | 732 | !! knfax factors are returned in array kfax which is of |
---|
[2715] | 733 | !! maximum dimension kmaxfax. |
---|
| 734 | !! ** Method : |
---|
| 735 | !!---------------------------------------------------------------------- |
---|
| 736 | INTEGER , INTENT(in ) :: kn, kmaxfax |
---|
| 737 | INTEGER , INTENT( out) :: kerr, knfax |
---|
| 738 | INTEGER, DIMENSION(kmaxfax), INTENT( out) :: kfax |
---|
| 739 | ! |
---|
| 740 | INTEGER :: ifac, jl, inu |
---|
| 741 | INTEGER, PARAMETER :: ntest = 14 |
---|
[5836] | 742 | INTEGER, DIMENSION(ntest) :: ilfax |
---|
[5656] | 743 | !!---------------------------------------------------------------------- |
---|
[5836] | 744 | ! |
---|
[2715] | 745 | ! lfax contains the set of allowed factors. |
---|
[5656] | 746 | ilfax(:) = (/(2**jl,jl=ntest,1,-1)/) |
---|
[5836] | 747 | ! |
---|
[2715] | 748 | ! Clear the error flag and initialise output vars |
---|
[5836] | 749 | kerr = 0 |
---|
| 750 | kfax = 1 |
---|
[2715] | 751 | knfax = 0 |
---|
[5836] | 752 | ! |
---|
[2715] | 753 | ! Find the factors of n. |
---|
| 754 | IF( kn == 1 ) GOTO 20 |
---|
| 755 | |
---|
| 756 | ! nu holds the unfactorised part of the number. |
---|
| 757 | ! knfax holds the number of factors found. |
---|
| 758 | ! l points to the allowed factor list. |
---|
| 759 | ! ifac holds the current factor. |
---|
[5836] | 760 | ! |
---|
[2715] | 761 | inu = kn |
---|
| 762 | knfax = 0 |
---|
[5836] | 763 | ! |
---|
[2715] | 764 | DO jl = ntest, 1, -1 |
---|
| 765 | ! |
---|
| 766 | ifac = ilfax(jl) |
---|
| 767 | IF( ifac > inu ) CYCLE |
---|
| 768 | |
---|
| 769 | ! Test whether the factor will divide. |
---|
| 770 | |
---|
| 771 | IF( MOD(inu,ifac) == 0 ) THEN |
---|
| 772 | ! |
---|
| 773 | knfax = knfax + 1 ! Add the factor to the list |
---|
| 774 | IF( knfax > kmaxfax ) THEN |
---|
| 775 | kerr = 6 |
---|
| 776 | write (*,*) 'FACTOR: insufficient space in factor array ', knfax |
---|
| 777 | return |
---|
| 778 | ENDIF |
---|
| 779 | kfax(knfax) = ifac |
---|
| 780 | ! Store the other factor that goes with this one |
---|
| 781 | knfax = knfax + 1 |
---|
| 782 | kfax(knfax) = inu / ifac |
---|
| 783 | !WRITE (*,*) 'ARPDBG, factors ',knfax-1,' & ',knfax,' are ', kfax(knfax-1),' and ',kfax(knfax) |
---|
| 784 | ENDIF |
---|
| 785 | ! |
---|
| 786 | END DO |
---|
[5836] | 787 | ! |
---|
[2715] | 788 | 20 CONTINUE ! Label 20 is the exit point from the factor search loop. |
---|
| 789 | ! |
---|
| 790 | END SUBROUTINE factorise |
---|
| 791 | |
---|
[3294] | 792 | #if defined key_mpp_mpi |
---|
[4990] | 793 | |
---|
[3294] | 794 | SUBROUTINE nemo_northcomms |
---|
[5836] | 795 | !!---------------------------------------------------------------------- |
---|
[3294] | 796 | !! *** ROUTINE nemo_northcomms *** |
---|
[5836] | 797 | !! ** Purpose : Setup for north fold exchanges with explicit |
---|
| 798 | !! point-to-point messaging |
---|
[3764] | 799 | !! |
---|
[5836] | 800 | !! ** Method : Initialization of the northern neighbours lists. |
---|
[3294] | 801 | !!---------------------------------------------------------------------- |
---|
[3764] | 802 | !! 1.0 ! 2011-10 (A. C. Coward, NOCS & J. Donners, PRACE) |
---|
[4230] | 803 | !! 2.0 ! 2013-06 Setup avoiding MPI communication (I. Epicoco, S. Mocavero, CMCC) |
---|
[3294] | 804 | !!---------------------------------------------------------------------- |
---|
[4230] | 805 | INTEGER :: sxM, dxM, sxT, dxT, jn |
---|
| 806 | INTEGER :: njmppmax |
---|
[5836] | 807 | !!---------------------------------------------------------------------- |
---|
| 808 | ! |
---|
[4230] | 809 | njmppmax = MAXVAL( njmppt ) |
---|
[5836] | 810 | ! |
---|
[4230] | 811 | !initializes the north-fold communication variables |
---|
| 812 | isendto(:) = 0 |
---|
[5836] | 813 | nsndto = 0 |
---|
| 814 | ! |
---|
[4230] | 815 | !if I am a process in the north |
---|
| 816 | IF ( njmpp == njmppmax ) THEN |
---|
| 817 | !sxM is the first point (in the global domain) needed to compute the |
---|
| 818 | !north-fold for the current process |
---|
| 819 | sxM = jpiglo - nimppt(narea) - nlcit(narea) + 1 |
---|
| 820 | !dxM is the last point (in the global domain) needed to compute the |
---|
| 821 | !north-fold for the current process |
---|
| 822 | dxM = jpiglo - nimppt(narea) + 2 |
---|
[3294] | 823 | |
---|
[4230] | 824 | !loop over the other north-fold processes to find the processes |
---|
| 825 | !managing the points belonging to the sxT-dxT range |
---|
[4671] | 826 | |
---|
| 827 | DO jn = 1, jpni |
---|
[4230] | 828 | !sxT is the first point (in the global domain) of the jn |
---|
| 829 | !process |
---|
[4671] | 830 | sxT = nfiimpp(jn, jpnj) |
---|
[4230] | 831 | !dxT is the last point (in the global domain) of the jn |
---|
| 832 | !process |
---|
[4671] | 833 | dxT = nfiimpp(jn, jpnj) + nfilcit(jn, jpnj) - 1 |
---|
[4230] | 834 | IF ((sxM .gt. sxT) .AND. (sxM .lt. dxT)) THEN |
---|
| 835 | nsndto = nsndto + 1 |
---|
[4671] | 836 | isendto(nsndto) = jn |
---|
[4645] | 837 | ELSEIF ((sxM .le. sxT) .AND. (dxM .ge. dxT)) THEN |
---|
[4230] | 838 | nsndto = nsndto + 1 |
---|
[4671] | 839 | isendto(nsndto) = jn |
---|
[4230] | 840 | ELSEIF ((dxM .lt. dxT) .AND. (sxT .lt. dxM)) THEN |
---|
| 841 | nsndto = nsndto + 1 |
---|
[4671] | 842 | isendto(nsndto) = jn |
---|
[4230] | 843 | END IF |
---|
| 844 | END DO |
---|
[4671] | 845 | nfsloop = 1 |
---|
| 846 | nfeloop = nlci |
---|
| 847 | DO jn = 2,jpni-1 |
---|
| 848 | IF(nfipproc(jn,jpnj) .eq. (narea - 1)) THEN |
---|
| 849 | IF (nfipproc(jn - 1 ,jpnj) .eq. -1) THEN |
---|
| 850 | nfsloop = nldi |
---|
| 851 | ENDIF |
---|
| 852 | IF (nfipproc(jn + 1,jpnj) .eq. -1) THEN |
---|
| 853 | nfeloop = nlei |
---|
| 854 | ENDIF |
---|
| 855 | ENDIF |
---|
| 856 | END DO |
---|
| 857 | |
---|
[3294] | 858 | ENDIF |
---|
[4230] | 859 | l_north_nogather = .TRUE. |
---|
[3294] | 860 | END SUBROUTINE nemo_northcomms |
---|
[5836] | 861 | |
---|
[3294] | 862 | #else |
---|
| 863 | SUBROUTINE nemo_northcomms ! Dummy routine |
---|
| 864 | WRITE(*,*) 'nemo_northcomms: You should not have seen this print! error?' |
---|
| 865 | END SUBROUTINE nemo_northcomms |
---|
| 866 | #endif |
---|
[4990] | 867 | |
---|
[3] | 868 | !!====================================================================== |
---|
[2496] | 869 | END MODULE nemogcm |
---|
[4354] | 870 | |
---|