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nemogcm.F90 in trunk/NEMOGCM/NEMO/OPA_SRC – NEMO

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source: trunk/NEMOGCM/NEMO/OPA_SRC/nemogcm.F90 @ 2715

Last change on this file since 2715 was 2715, checked in by rblod, 13 years ago
First attempt to put dynamic allocation on the trunk
Property svn:keywords set to `Id`
File size: 28.9 KB

Rev	Line
[2496]	1	MODULE nemogcm
[2442]	2	!!======================================================================
[2496]	3	!! * MODULE nemogcm *
	4	!! Ocean system : NEMO GCM (ocean dynamics, on-line tracers, biochemistry and sea-ice)
[2442]	5	!!======================================================================
[1593]	6	!! History : OPA ! 1990-10 (C. Levy, G. Madec) Original code
	7	!! 7.0 ! 1991-11 (M. Imbard, C. Levy, G. Madec)
	8	!! 7.1 ! 1993-03 (M. Imbard, C. Levy, G. Madec, O. Marti, M. Guyon, A. Lazar,
[2104]	9	!! P. Delecluse, C. Perigaud, G. Caniaux, B. Colot, C. Maes) release 7.1
[1593]	10	!! - ! 1992-06 (L.Terray) coupling implementation
	11	!! - ! 1993-11 (M.A. Filiberti) IGLOO sea-ice
	12	!! 8.0 ! 1996-03 (M. Imbard, C. Levy, G. Madec, O. Marti, M. Guyon, A. Lazar,
[2104]	13	!! P. Delecluse, L.Terray, M.A. Filiberti, J. Vialar, A.M. Treguier, M. Levy) release 8.0
[1593]	14	!! 8.1 ! 1997-06 (M. Imbard, G. Madec)
	15	!! 8.2 ! 1999-11 (M. Imbard, H. Goosse) LIM sea-ice model
	16	!! ! 1999-12 (V. Thierry, A-M. Treguier, M. Imbard, M-A. Foujols) OPEN-MP
	17	!! ! 2000-07 (J-M Molines, M. Imbard) Open Boundary Conditions (CLIPPER)
	18	!! NEMO 1.0 ! 2002-08 (G. Madec) F90: Free form and modules
	19	!! - ! 2004-06 (R. Redler, NEC CCRLE, Germany) add OASIS[3/4] coupled interfaces
	20	!! - ! 2004-08 (C. Talandier) New trends organization
	21	!! - ! 2005-06 (C. Ethe) Add the 1D configuration possibility
	22	!! - ! 2005-11 (V. Garnier) Surface pressure gradient organization
	23	!! - ! 2006-03 (L. Debreu, C. Mazauric) Agrif implementation
	24	!! - ! 2006-04 (G. Madec, R. Benshila) Step reorganization
	25	!! - ! 2007-07 (J. Chanut, A. Sellar) Unstructured open boundaries (BDY)
	26	!! 3.2 ! 2009-08 (S. Masson) open/write in the listing file in mpp
[2236]	27	!! 3.3 ! 2010-05 (K. Mogensen, A. Weaver, M. Martin, D. Lea) Assimilation interface
	28	!! - ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase
[2715]	29	!! 4.0 ! 2011-01 (A. R. Porter, STFC Daresbury) dynamical allocation
[1593]	30	!!----------------------------------------------------------------------
[3]	31
	32	!!----------------------------------------------------------------------
[2496]	33	!! nemo_gcm : solve ocean dynamics, tracer, biogeochemistry and/or sea-ice
	34	!! nemo_init : initialization of the NEMO system
	35	!! nemo_ctl : initialisation of the contol print
	36	!! nemo_closefile : close remaining open files
[2715]	37	!! nemo_alloc : dynamical allocation
	38	!! nemo_partition : calculate MPP domain decomposition
	39	!! factorise : calculate the factors of the no. of MPI processes
[3]	40	!!----------------------------------------------------------------------
[2382]	41	USE step_oce ! module used in the ocean time stepping module
[888]	42	USE sbc_oce ! surface boundary condition: ocean
[2392]	43	USE cla ! cross land advection (tra_cla routine)
[3]	44	USE domcfg ! domain configuration (dom_cfg routine)
	45	USE mppini ! shared/distributed memory setting (mpp_init routine)
	46	USE domain ! domain initialization (dom_init routine)
	47	USE obcini ! open boundary cond. initialization (obc_ini routine)
[911]	48	USE bdyini ! unstructured open boundary cond. initialization (bdy_init routine)
[3]	49	USE istate ! initial state setting (istate_init routine)
	50	USE ldfdyn ! lateral viscosity setting (ldfdyn_init routine)
	51	USE ldftra ! lateral diffusivity setting (ldftra_init routine)
[2392]	52	USE zdfini ! vertical physics setting (zdf_init routine)
[3]	53	USE phycst ! physical constant (par_cst routine)
[2236]	54	USE trdmod ! momentum/tracers trends (trd_mod_init routine)
	55	USE asminc ! assimilation increments (asm_inc_init routine)
	56	USE asmtrj ! writing out state trajectory
	57	USE sshwzv ! vertical velocity used in asm
	58	USE diaptr ! poleward transports (dia_ptr_init routine)
	59	USE diaobs ! Observation diagnostics (dia_obs_init routine)
[2496]	60	USE step ! NEMO time-stepping (stp routine)
[532]	61	#if defined key_oasis3
[1359]	62	USE cpl_oasis3 ! OASIS3 coupling
[599]	63	#elif defined key_oasis4
[1359]	64	USE cpl_oasis4 ! OASIS4 coupling (not working)
[532]	65	#endif
[900]	66	USE c1d ! 1D configuration
	67	USE step_c1d ! Time stepping loop for the 1D configuration
[1594]	68	#if defined key_top
[1593]	69	USE trcini ! passive tracer initialisation
[1594]	70	#endif
[1593]	71	USE lib_mpp ! distributed memory computing
[1412]	72	#if defined key_iomput
	73	USE mod_ioclient
[1359]	74	#endif
[268]	75
[2715]	76	IMPLICIT NONE
[3]	77	PRIVATE
	78
[2496]	79	PUBLIC nemo_gcm ! called by model.F90
	80	PUBLIC nemo_init ! needed by AGRIF
[467]	81
[2498]	82	CHARACTER(lc) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing
[1593]	83
[3]	84	!!----------------------------------------------------------------------
[2715]	85	!! NEMO/OPA 4.0 , NEMO Consortium (2011)
[2392]	86	!! $Id$
[2329]	87	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
[3]	88	!!----------------------------------------------------------------------
	89	CONTAINS
	90
[2496]	91	SUBROUTINE nemo_gcm
[3]	92	!!----------------------------------------------------------------------
[2496]	93	!! * ROUTINE nemo_gcm *
[3]	94	!!
[2496]	95	!! ** Purpose : NEMO solves the primitive equations on an orthogonal
[1593]	96	!! curvilinear mesh on the sphere.
[3]	97	!!
	98	!! ** Method : - model general initialization
	99	!! - launch the time-stepping (stp routine)
[1593]	100	!! - finalize the run by closing files and communications
[3]	101	!!
[2715]	102	!! References : Madec, Delecluse, Imbard, and Levy, 1997: internal report, IPSL.
[1593]	103	!! Madec, 2008, internal report, IPSL.
[3]	104	!!----------------------------------------------------------------------
	105	INTEGER :: istp ! time step index
[389]	106	!!----------------------------------------------------------------------
[2382]	107	!
[392]	108	#if defined key_agrif
[1593]	109	CALL Agrif_Init_Grids() ! AGRIF: set the meshes
[389]	110	#endif
	111
[1593]	112	! !-----------------------!
[2496]	113	CALL nemo_init !== Initialisations ==!
[1593]	114	! !-----------------------!
[2715]	115	#if defined key_agrif
	116	CALL Agrif_Declare_Var ! AGRIF: set the meshes
	117	# if defined key_top
	118	CALL Agrif_Declare_Var_Top ! AGRIF: set the meshes
	119	# endif
	120	#endif
[682]	121	! check that all process are still there... If some process have an error,
	122	! they will never enter in step and other processes will wait until the end of the cpu time!
[900]	123	IF( lk_mpp ) CALL mpp_max( nstop )
[682]	124
[1593]	125	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
	126
	127	! !-----------------------!
	128	! !== time stepping ==!
	129	! !-----------------------!
[900]	130	istp = nit000
[2236]	131	#if defined key_c1d
[389]	132	DO WHILE ( istp <= nitend .AND. nstop == 0 )
[900]	133	CALL stp_c1d( istp )
[389]	134	istp = istp + 1
	135	END DO
[2236]	136	#else
	137	IF( lk_asminc ) THEN
	138	IF( ln_bkgwri ) CALL asm_bkg_wri( nit000 - 1 ) ! Output background fields
	139	IF( ln_trjwri ) CALL asm_trj_wri( nit000 - 1 ) ! Output trajectory fields
	140	IF( ln_asmdin ) THEN ! Direct initialization
	141	IF( ln_trainc ) CALL tra_asm_inc( nit000 - 1 ) ! Tracers
	142	IF( ln_dyninc ) THEN
	143	CALL dyn_asm_inc( nit000 - 1 ) ! Dynamics
	144	IF ( ln_asmdin ) CALL ssh_wzv ( nit000 - 1 ) ! update vertical velocity
	145	ENDIF
	146	IF( ln_sshinc ) CALL ssh_asm_inc( nit000 - 1 ) ! SSH
	147	ENDIF
	148	ENDIF
	149
[389]	150	DO WHILE ( istp <= nitend .AND. nstop == 0 )
[392]	151	#if defined key_agrif
[1593]	152	CALL Agrif_Step( stp ) ! AGRIF: time stepping
[389]	153	#else
[1593]	154	CALL stp( istp ) ! standard time stepping
[389]	155	#endif
	156	istp = istp + 1
[900]	157	IF( lk_mpp ) CALL mpp_max( nstop )
[389]	158	END DO
[2236]	159	#endif
	160
	161	IF( lk_diaobs ) CALL dia_obs_wri
[1593]	162
	163	! !------------------------!
	164	! !== finalize the run ==!
	165	! !------------------------!
	166	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
	167	!
	168	IF( nstop /= 0 .AND. lwp ) THEN ! error print
[682]	169	WRITE(numout,cform_err)
	170	WRITE(numout,*) nstop, ' error have been found'
[389]	171	ENDIF
[1593]	172	!
[2496]	173	CALL nemo_closefile
[532]	174	#if defined key_oasis3 \|\| defined key_oasis4
[1976]	175	CALL cpl_prism_finalize ! end coupling and mpp communications with OASIS
[532]	176	#else
[1593]	177	IF( lk_mpp ) CALL mppstop ! end mpp communications
[532]	178	#endif
[900]	179	!
[2496]	180	END SUBROUTINE nemo_gcm
[389]	181
	182
[2496]	183	SUBROUTINE nemo_init
[389]	184	!!----------------------------------------------------------------------
[2496]	185	!! * ROUTINE nemo_init *
[389]	186	!!
[2496]	187	!! ** Purpose : initialization of the NEMO GCM
[389]	188	!!----------------------------------------------------------------------
[2715]	189	INTEGER :: ji ! dummy loop indices
	190	INTEGER :: ilocal_comm ! local integer
	191	CHARACTER(len=80), DIMENSION(16) :: cltxt
[1593]	192	!!
[1601]	193	NAMELIST/namctl/ ln_ctl , nn_print, nn_ictls, nn_ictle, &
[1976]	194	& nn_isplt, nn_jsplt, nn_jctls, nn_jctle, nn_bench
[3]	195	!!----------------------------------------------------------------------
[1593]	196	!
[2496]	197	cltxt = ''
	198	!
[1593]	199	! ! open Namelist file
[1581]	200	CALL ctl_opn( numnam, 'namelist', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. )
[1593]	201	!
	202	READ( numnam, namctl ) ! Namelist namctl : Control prints & Benchmark
	203	!
	204	! !--------------------------------------------!
	205	! ! set communicator & select the local node !
	206	! !--------------------------------------------!
[1412]	207	#if defined key_iomput
[2200]	208	IF( Agrif_Root() ) THEN
[1412]	209	# if defined key_oasis3 \|\| defined key_oasis4
[2715]	210	CALL cpl_prism_init( ilocal_comm ) ! nemo local communicator given by oasis
[1412]	211	# endif
[2715]	212	CALL init_ioclient( ilocal_comm ) ! exchange io_server nemo local communicator with the io_server
[2200]	213	ENDIF
[2715]	214	narea = mynode( cltxt, numnam, nstop, ilocal_comm ) ! Nodes selection
[532]	215	#else
[1412]	216	# if defined key_oasis3 \|\| defined key_oasis4
[2236]	217	IF( Agrif_Root() ) THEN
[2715]	218	CALL cpl_prism_init( ilocal_comm ) ! nemo local communicator given by oasis
[2236]	219	ENDIF
[2715]	220	narea = mynode( cltxt, numnam, nstop, ilocal_comm ) ! Nodes selection (control print return in cltxt)
[1412]	221	# else
[2082]	222	ilocal_comm = 0
[2715]	223	narea = mynode( cltxt, numnam, nstop ) ! Nodes selection (control print return in cltxt)
[1412]	224	# endif
[532]	225	#endif
[2715]	226	narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 )
[3]	227
[2715]	228	lwp = (narea == 1) .OR. ln_ctl ! control of all listing output print
[1579]	229
[2715]	230	! If dimensions of processor grid weren't specified in the namelist file
	231	! then we calculate them here now that we have our communicator size
	232	IF( (jpni < 1) .OR. (jpnj < 1) )THEN
	233	#if defined key_mpp_mpi
	234	IF( Agrif_Root() ) CALL nemo_partition(mppsize)
	235	#else
	236	jpni = 1
	237	jpnj = 1
	238	jpnij = jpni*jpnj
	239	#endif
	240	END IF
	241
	242	! Calculate domain dimensions given calculated jpni and jpnj
	243	! This used to be done in par_oce.F90 when they were parameters rather
	244	! than variables
	245	IF( Agrif_Root() ) THEN
	246	jpi = ( jpiglo-2jpreci + (jpni-1) ) / jpni + 2jpreci ! first dim.
	247	jpj = ( jpjglo-2jprecj + (jpnj-1) ) / jpnj + 2jprecj ! second dim.
	248	jpk = jpkdta ! third dim
	249	jpim1 = jpi-1 ! inner domain indices
	250	jpjm1 = jpj-1 ! " "
	251	jpkm1 = jpk-1 ! " "
	252	jpij = jpi*jpj ! jpi x j
	253	ENDIF
	254
[1593]	255	IF(lwp) THEN ! open listing units
	256	!
[1581]	257	CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea )
[1593]	258	!
[1579]	259	WRITE(numout,*)
[1593]	260	WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean'
	261	WRITE(numout,*) ' NEMO team'
[1579]	262	WRITE(numout,*) ' Ocean General Circulation Model'
[2104]	263	WRITE(numout,*) ' version 3.3 (2010) '
[1579]	264	WRITE(numout,*)
	265	WRITE(numout,*)
[1593]	266	DO ji = 1, SIZE(cltxt)
	267	IF( TRIM(cltxt(ji)) /= '' ) WRITE(numout,*) cltxt(ji) ! control print of mynode
[1579]	268	END DO
[1593]	269	WRITE(numout,cform_aaa) ! Flag AAAAAAA
	270	!
[473]	271	ENDIF
[2715]	272
	273	! Now we know the dimensions of the grid and numout has been set we can
	274	! allocate arrays
	275	CALL nemo_alloc()
	276
[2496]	277	! !-------------------------------!
	278	! ! NEMO general initialization !
	279	! !-------------------------------!
[473]	280
[2496]	281	CALL nemo_ctl ! Control prints & Benchmark
[531]	282
[2082]	283	! ! Domain decomposition
[1593]	284	IF( jpni*jpnj == jpnij ) THEN ; CALL mpp_init ! standard cutting out
	285	ELSE ; CALL mpp_init2 ! eliminate land processors
[3]	286	ENDIF
[2382]	287	!
[2082]	288	! ! General initialization
[2027]	289	CALL phy_cst ! Physical constants
	290	CALL eos_init ! Equation of state
	291	CALL dom_cfg ! Domain configuration
	292	CALL dom_init ! Domain
[413]	293
[2027]	294	IF( ln_ctl ) CALL prt_ctl_init ! Print control
	295
	296	IF( lk_obc ) CALL obc_init ! Open boundaries
	297	IF( lk_bdy ) CALL bdy_init ! Unstructured open boundaries
	298
	299	CALL istate_init ! ocean initial state (Dynamics and tracers)
	300
[3]	301	! ! Ocean physics
[2104]	302	CALL sbc_init ! Forcings : surface module
[2082]	303	! ! Vertical physics
	304	CALL zdf_init ! namelist read
	305	CALL zdf_bfr_init ! bottom friction
	306	IF( lk_zdfric ) CALL zdf_ric_init ! Richardson number dependent Kz
[2329]	307	IF( lk_zdftke ) CALL zdf_tke_init ! TKE closure scheme
	308	IF( lk_zdfgls ) CALL zdf_gls_init ! GLS closure scheme
	309	IF( lk_zdfkpp ) CALL zdf_kpp_init ! KPP closure scheme
[2082]	310	IF( lk_zdftmx ) CALL zdf_tmx_init ! tidal vertical mixing
[2027]	311	IF( lk_zdfddm .AND. .NOT. lk_zdfkpp ) &
[2082]	312	& CALL zdf_ddm_init ! double diffusive mixing
	313	! ! Lateral physics
	314	CALL ldf_tra_init ! Lateral ocean tracer physics
	315	CALL ldf_dyn_init ! Lateral ocean momentum physics
[2392]	316	IF( lk_ldfslp ) CALL ldf_slp_init ! slope of lateral mixing
[2082]	317
[2027]	318	! ! Active tracers
	319	CALL tra_qsr_init ! penetrative solar radiation qsr
[2325]	320	CALL tra_bbc_init ! bottom heat flux
[2027]	321	IF( lk_trabbl ) CALL tra_bbl_init ! advective (and/or diffusive) bottom boundary layer scheme
	322	IF( lk_tradmp ) CALL tra_dmp_init ! internal damping trends
	323	CALL tra_adv_init ! horizontal & vertical advection
	324	CALL tra_ldf_init ! lateral mixing
	325	CALL tra_zdf_init ! vertical mixing and after tracer fields
	326
	327	! ! Dynamics
	328	CALL dyn_adv_init ! advection (vector or flux form)
[2104]	329	CALL dyn_vor_init ! vorticity term including Coriolis
[2027]	330	CALL dyn_ldf_init ! lateral mixing
[2104]	331	CALL dyn_hpg_init ! horizontal gradient of Hydrostatic pressure
[2027]	332	CALL dyn_zdf_init ! vertical diffusion
	333	CALL dyn_spg_init ! surface pressure gradient
[2392]	334
	335	! ! Misc. options
	336	IF( nn_cla == 1 ) CALL cla_init ! Cross Land Advection
	337
[1594]	338	#if defined key_top
[2027]	339	! ! Passive tracers
[2082]	340	CALL trc_init
[1594]	341	#endif
[2382]	342	! ! Diagnostics
[2027]	343	CALL iom_init ! iom_put initialization
[2392]	344	IF( lk_floats ) CALL flo_init ! drifting Floats
	345	IF( lk_diaar5 ) CALL dia_ar5_init ! ar5 diag
[2027]	346	CALL dia_ptr_init ! Poleward TRansports initialization
[2148]	347	CALL dia_hsb_init ! heat content, salt content and volume budgets
[2027]	348	CALL trd_mod_init ! Mixed-layer/Vorticity/Integral constraints trends
[2392]	349	IF( lk_diaobs ) THEN ! Observation & model comparison
[2382]	350	CALL dia_obs_init ! Initialize observational data
	351	CALL dia_obs( nit000 - 1 ) ! Observation operator for restart
[2236]	352	ENDIF
[2382]	353	! ! Assimilation increments
[2392]	354	IF( lk_asminc ) CALL asm_inc_init ! Initialize assimilation increments
[2382]	355	IF(lwp) WRITE(numout,*) 'Euler time step switch is ', neuler
[1593]	356	!
[2496]	357	END SUBROUTINE nemo_init
[467]	358
	359
[2496]	360	SUBROUTINE nemo_ctl
[467]	361	!!----------------------------------------------------------------------
[2496]	362	!! * ROUTINE nemo_ctl *
[467]	363	!!
[2442]	364	!! ** Purpose : control print setting
[467]	365	!!
[2442]	366	!! ** Method : - print namctl information and check some consistencies
[467]	367	!!----------------------------------------------------------------------
[2442]	368	!
[2496]	369	IF(lwp) THEN ! control print
[531]	370	WRITE(numout,*)
[2496]	371	WRITE(numout,*) 'nemo_ctl: Control prints & Benchmark'
[531]	372	WRITE(numout,*) '~~~~~~~ '
[1593]	373	WRITE(numout,*) ' Namelist namctl'
[1601]	374	WRITE(numout,*) ' run control (for debugging) ln_ctl = ', ln_ctl
	375	WRITE(numout,*) ' level of print nn_print = ', nn_print
	376	WRITE(numout,*) ' Start i indice for SUM control nn_ictls = ', nn_ictls
	377	WRITE(numout,*) ' End i indice for SUM control nn_ictle = ', nn_ictle
	378	WRITE(numout,*) ' Start j indice for SUM control nn_jctls = ', nn_jctls
	379	WRITE(numout,*) ' End j indice for SUM control nn_jctle = ', nn_jctle
	380	WRITE(numout,*) ' number of proc. following i nn_isplt = ', nn_isplt
	381	WRITE(numout,*) ' number of proc. following j nn_jsplt = ', nn_jsplt
	382	WRITE(numout,*) ' benchmark parameter (0/1) nn_bench = ', nn_bench
[531]	383	ENDIF
[2442]	384	!
[1601]	385	nprint = nn_print ! convert DOCTOR namelist names into OLD names
	386	nictls = nn_ictls
	387	nictle = nn_ictle
	388	njctls = nn_jctls
	389	njctle = nn_jctle
	390	isplt = nn_isplt
	391	jsplt = nn_jsplt
	392	nbench = nn_bench
[2442]	393	! ! Parameter control
[1593]	394	!
	395	IF( ln_ctl ) THEN ! sub-domain area indices for the control prints
	396	IF( lk_mpp ) THEN
[2496]	397	isplt = jpni ; jsplt = jpnj ; ijsplt = jpni*jpnj ! the domain is forced to the real split domain
[531]	398	ELSE
	399	IF( isplt == 1 .AND. jsplt == 1 ) THEN
[1593]	400	CALL ctl_warn( ' - isplt & jsplt are equal to 1', &
	401	& ' - the print control will be done over the whole domain' )
[531]	402	ENDIF
[1593]	403	ijsplt = isplt * jsplt ! total number of processors ijsplt
[531]	404	ENDIF
	405	IF(lwp) WRITE(numout,*)' - The total number of processors over which the'
	406	IF(lwp) WRITE(numout,*)' print control will be done is ijsplt : ', ijsplt
[1593]	407	!
	408	! ! indices used for the SUM control
	409	IF( nictls+nictle+njctls+njctle == 0 ) THEN ! print control done over the default area
	410	lsp_area = .FALSE.
	411	ELSE ! print control done over a specific area
[531]	412	lsp_area = .TRUE.
	413	IF( nictls < 1 .OR. nictls > jpiglo ) THEN
	414	CALL ctl_warn( ' - nictls must be 1<=nictls>=jpiglo, it is forced to 1' )
	415	nictls = 1
	416	ENDIF
	417	IF( nictle < 1 .OR. nictle > jpiglo ) THEN
	418	CALL ctl_warn( ' - nictle must be 1<=nictle>=jpiglo, it is forced to jpiglo' )
	419	nictle = jpiglo
	420	ENDIF
	421	IF( njctls < 1 .OR. njctls > jpjglo ) THEN
	422	CALL ctl_warn( ' - njctls must be 1<=njctls>=jpjglo, it is forced to 1' )
	423	njctls = 1
	424	ENDIF
	425	IF( njctle < 1 .OR. njctle > jpjglo ) THEN
	426	CALL ctl_warn( ' - njctle must be 1<=njctle>=jpjglo, it is forced to jpjglo' )
	427	njctle = jpjglo
	428	ENDIF
[1593]	429	ENDIF
	430	ENDIF
[2442]	431	!
	432	IF( nbench == 1 ) THEN ! Benchmark
[531]	433	SELECT CASE ( cp_cfg )
[1593]	434	CASE ( 'gyre' ) ; CALL ctl_warn( ' The Benchmark is activated ' )
	435	CASE DEFAULT ; CALL ctl_stop( ' The Benchmark is based on the GYRE configuration:', &
	436	& ' key_gyre must be used or set nbench = 0' )
[531]	437	END SELECT
	438	ENDIF
[1593]	439	!
[2496]	440	IF( lk_c1d .AND. .NOT.lk_iomput ) CALL ctl_stop( 'nemo_ctl: The 1D configuration must be used ', &
	441	& 'with the IOM Input/Output manager. ' , &
[2442]	442	& 'Compile with key_iomput enabled' )
[2409]	443	!
[2496]	444	END SUBROUTINE nemo_ctl
[467]	445
	446
[2496]	447	SUBROUTINE nemo_closefile
[467]	448	!!----------------------------------------------------------------------
[2496]	449	!! * ROUTINE nemo_closefile *
[467]	450	!!
	451	!! ** Purpose : Close the files
	452	!!----------------------------------------------------------------------
[1593]	453	!
	454	IF( lk_mpp ) CALL mppsync
	455	!
[1685]	456	CALL iom_close ! close all input/output files managed by iom_*
[1593]	457	!
[1685]	458	IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file
	459	IF( numsol /= -1 ) CLOSE( numsol ) ! solver file
	460	IF( numnam /= -1 ) CLOSE( numnam ) ! oce namelist
	461	IF( numnam_ice /= -1 ) CLOSE( numnam_ice ) ! ice namelist
	462	IF( numevo_ice /= -1 ) CLOSE( numevo_ice ) ! ice variables (temp. evolution)
	463	IF( numout /= 6 ) CLOSE( numout ) ! standard model output file
[1593]	464	!
[2442]	465	numout = 6 ! redefine numout in case it is used after this point...
	466	!
[2496]	467	END SUBROUTINE nemo_closefile
[467]	468
[2715]	469
	470	SUBROUTINE nemo_alloc
	471	!!----------------------------------------------------------------------
	472	!! * ROUTINE nemo_alloc *
	473	!!
	474	!! ** Purpose : Allocate all the dynamic arrays of the OPA modules
	475	!!
	476	!! ** Method :
	477	!!----------------------------------------------------------------------
	478	USE diawri , ONLY: dia_wri_alloc
	479	USE dom_oce , ONLY: dom_oce_alloc
	480	USE ldfdyn_oce, ONLY: ldfdyn_oce_alloc
	481	USE ldftra_oce, ONLY: ldftra_oce_alloc
	482	USE trc_oce , ONLY: trc_oce_alloc
	483	USE wrk_nemo , ONLY: wrk_alloc
	484	!
	485	INTEGER :: ierr
	486	!!----------------------------------------------------------------------
	487	!
	488	ierr = oce_alloc () ! ocean
	489	ierr = ierr + dia_wri_alloc ()
	490	ierr = ierr + dom_oce_alloc () ! ocean domain
	491	ierr = ierr + ldfdyn_oce_alloc() ! ocean lateral physics : dynamics
	492	ierr = ierr + ldftra_oce_alloc() ! ocean lateral physics : tracers
	493	ierr = ierr + zdf_oce_alloc () ! ocean vertical physics
	494	!
	495	ierr = ierr + lib_mpp_alloc (numout) ! mpp exchanges
	496	ierr = ierr + trc_oce_alloc () ! shared TRC / TRA arrays
	497	!
	498	ierr = ierr + wrk_alloc(numout, lwp) ! workspace
	499	!
	500	IF( lk_mpp ) CALL mpp_sum( ierr )
	501	IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc : unable to allocate standard ocean arrays' )
	502	!
	503	END SUBROUTINE nemo_alloc
	504
	505
	506	SUBROUTINE nemo_partition( num_pes )
	507	!!----------------------------------------------------------------------
	508	!! * ROUTINE nemo_partition *
	509	!!
	510	!! ** Purpose :
	511	!!
	512	!! ** Method :
	513	!!----------------------------------------------------------------------
	514	INTEGER, INTENT(in) :: num_pes ! The number of MPI processes we have
	515	!
	516	INTEGER, PARAMETER :: nfactmax = 20
	517	INTEGER :: nfact ! The no. of factors returned
	518	INTEGER :: ierr ! Error flag
	519	INTEGER :: ji
	520	INTEGER :: idiff, mindiff, imin ! For choosing pair of factors that are closest in value
	521	INTEGER, DIMENSION(nfactmax) :: ifact ! Array of factors
	522	!!----------------------------------------------------------------------
	523
	524	ierr = 0
	525
	526	CALL factorise( ifact, nfactmax, nfact, num_pes, ierr )
	527
	528	IF( nfact <= 1 ) THEN
	529	WRITE (numout, *) 'WARNING: factorisation of number of PEs failed'
	530	WRITE (numout, *) ' : using grid of ',num_pes,' x 1'
	531	jpnj = 1
	532	jpni = num_pes
	533	ELSE
	534	! Search through factors for the pair that are closest in value
	535	mindiff = 1000000
	536	imin = 1
	537	DO ji = 1, nfact-1, 2
	538	idiff = ABS( ifact(ji) - ifact(ji+1) )
	539	IF( idiff < mindiff ) THEN
	540	mindiff = idiff
	541	imin = ji
	542	ENDIF
	543	END DO
	544	jpnj = ifact(imin)
	545	jpni = ifact(imin + 1)
	546	ENDIF
	547	!
	548	jpnij = jpni*jpnj
	549	!
	550	END SUBROUTINE nemo_partition
	551
	552
	553	SUBROUTINE factorise( kfax, kmaxfax, knfax, kn, kerr )
	554	!!----------------------------------------------------------------------
	555	!! * ROUTINE factorise *
	556	!!
	557	!! ** Purpose : return the prime factors of n.
	558	!! knfax factors are returned in array kfax which is of
	559	!! maximum dimension kmaxfax.
	560	!! ** Method :
	561	!!----------------------------------------------------------------------
	562	INTEGER , INTENT(in ) :: kn, kmaxfax
	563	INTEGER , INTENT( out) :: kerr, knfax
	564	INTEGER, DIMENSION(kmaxfax), INTENT( out) :: kfax
	565	!
	566	INTEGER :: ifac, jl, inu
	567	INTEGER, PARAMETER :: ntest = 14
	568	INTEGER :: ilfax(ntest)
	569
	570	! lfax contains the set of allowed factors.
	571	data (ilfax(jl),jl=1,ntest) / 16384, 8192, 4096, 2048, 1024, 512, 256, &
	572	& 128, 64, 32, 16, 8, 4, 2 /
	573	!!----------------------------------------------------------------------
	574
	575	! Clear the error flag and initialise output vars
	576	kerr = 0
	577	kfax = 1
	578	knfax = 0
	579
	580	! Find the factors of n.
	581	IF( kn == 1 ) GOTO 20
	582
	583	! nu holds the unfactorised part of the number.
	584	! knfax holds the number of factors found.
	585	! l points to the allowed factor list.
	586	! ifac holds the current factor.
	587
	588	inu = kn
	589	knfax = 0
	590
	591	DO jl = ntest, 1, -1
	592	!
	593	ifac = ilfax(jl)
	594	IF( ifac > inu ) CYCLE
	595
	596	! Test whether the factor will divide.
	597
	598	IF( MOD(inu,ifac) == 0 ) THEN
	599	!
	600	knfax = knfax + 1 ! Add the factor to the list
	601	IF( knfax > kmaxfax ) THEN
	602	kerr = 6
	603	write (,) 'FACTOR: insufficient space in factor array ', knfax
	604	return
	605	ENDIF
	606	kfax(knfax) = ifac
	607	! Store the other factor that goes with this one
	608	knfax = knfax + 1
	609	kfax(knfax) = inu / ifac
	610	!WRITE (,) 'ARPDBG, factors ',knfax-1,' & ',knfax,' are ', kfax(knfax-1),' and ',kfax(knfax)
	611	ENDIF
	612	!
	613	END DO
	614
	615	20 CONTINUE ! Label 20 is the exit point from the factor search loop.
	616	!
	617	END SUBROUTINE factorise
	618
[3]	619	!!======================================================================
[2496]	620	END MODULE nemogcm

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