1 | MODULE nemogcm |
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2 | !!====================================================================== |
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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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5 | !!====================================================================== |
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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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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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10 | !! - ! 1992-06 (L.Terray) coupling implementation |
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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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13 | !! P. Delecluse, L.Terray, M.A. Filiberti, J. Vialar, A.M. Treguier, M. Levy) release 8.0 |
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14 | !! 8.1 ! 1997-06 (M. Imbard, G. Madec) |
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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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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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27 | !! 3.3 ! 2010-05 (K. Mogensen, A. Weaver, M. Martin, D. Lea) Assimilation interface |
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28 | !! - ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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29 | !! 3.3.1! 2011-01 (A. R. Porter, STFC Daresbury) dynamical allocation |
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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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35 | !!---------------------------------------------------------------------- |
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36 | |
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37 | !!---------------------------------------------------------------------- |
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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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40 | !! nemo_ctl : initialisation of the contol print |
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41 | !! nemo_closefile: close remaining open files |
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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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45 | !!---------------------------------------------------------------------- |
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46 | USE dom_oce ! ocean space and time domain variables |
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47 | USE in_out_manager ! I/O manager |
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48 | USE iom ! |
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49 | USE domcfg ! domain configuration (dom_cfg routine) |
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50 | USE mppini ! shared/distributed memory setting (mpp_init routine) |
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51 | USE domain ! domain initialization (dom_init routine) |
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52 | USE phycst ! physical constant (par_cst routine) |
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53 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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54 | USE lib_mpp ! distributed memory computing |
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55 | |
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56 | USE lbcnfd , ONLY : isendto, nsndto, nfsloop, nfeloop ! Setup of north fold exchanges |
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57 | |
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58 | USE agrif_connect |
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59 | USE agrif_dom_update |
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60 | USE agrif_recompute_scales |
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61 | |
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62 | IMPLICIT NONE |
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63 | PRIVATE |
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64 | |
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65 | PUBLIC nemo_gcm ! called by model.F90 |
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66 | PUBLIC nemo_init ! needed by AGRIF |
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67 | PUBLIC nemo_alloc ! needed by TAM |
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68 | |
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69 | CHARACTER(lc) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing |
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70 | |
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71 | !!---------------------------------------------------------------------- |
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72 | !! NEMO/OPA 3.7 , NEMO Consortium (2015) |
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73 | !! $Id: nemogcm.F90 6152 2015-12-21 22:33:57Z acc $ |
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74 | !! Software governed by the CeCILL licence (./LICENSE) |
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75 | !!---------------------------------------------------------------------- |
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76 | CONTAINS |
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77 | |
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78 | SUBROUTINE nemo_gcm |
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79 | !!---------------------------------------------------------------------- |
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80 | !! *** ROUTINE nemo_gcm *** |
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81 | !! |
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82 | !! ** Purpose : NEMO solves the primitive equations on an orthogonal |
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83 | !! curvilinear mesh on the sphere. |
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84 | !! |
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85 | !! ** Method : - model general initialization |
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86 | !! - launch the time-stepping (stp routine) |
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87 | !! - finalize the run by closing files and communications |
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88 | !! |
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89 | !! References : Madec, Delecluse, Imbard, and Levy, 1997: internal report, IPSL. |
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90 | !! Madec, 2008, internal report, IPSL. |
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91 | !!---------------------------------------------------------------------- |
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92 | INTEGER :: istp ! time step index |
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93 | !!---------------------------------------------------------------------- |
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94 | ! |
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95 | #if defined key_agrif |
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96 | CALL Agrif_Init_Grids() ! AGRIF: set the meshes |
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97 | #endif |
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98 | ! !-----------------------! |
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99 | CALL nemo_init !== Initialisations ==! |
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100 | ! !-----------------------! |
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101 | |
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102 | #if defined key_agrif |
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103 | CALL Agrif_Regrid() |
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104 | |
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105 | CALL Agrif_Step_Child(agrif_boundary_connections) |
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106 | |
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107 | CALL Agrif_Step_Child_adj(agrif_update_all) |
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108 | |
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109 | CALL Agrif_Step_Child(agrif_recompute_scalefactors) |
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110 | |
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111 | CALL Agrif_Step_Child(cfg_write) |
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112 | #endif |
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113 | |
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114 | ! check that all process are still there... If some process have an error, |
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115 | ! they will never enter in step and other processes will wait until the end of the cpu time! |
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116 | IF( lk_mpp ) CALL mpp_max( 'nemogcm',nstop ) |
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117 | |
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118 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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119 | |
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120 | ! !-----------------------! |
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121 | ! !== finalize the run ==! |
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122 | ! !------------------------! |
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123 | ! |
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124 | IF( nstop /= 0 .AND. lwp ) THEN ! error print |
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125 | WRITE(numout,cform_err) |
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126 | WRITE(numout,*) nstop, ' error have been found' |
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127 | ENDIF |
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128 | ! |
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129 | ! |
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130 | CALL nemo_closefile |
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131 | ! |
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132 | ! |
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133 | END SUBROUTINE nemo_gcm |
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134 | |
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135 | |
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136 | SUBROUTINE nemo_init |
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137 | !!---------------------------------------------------------------------- |
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138 | !! *** ROUTINE nemo_init *** |
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139 | !! |
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140 | !! ** Purpose : initialization of the NEMO GCM |
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141 | !!---------------------------------------------------------------------- |
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142 | INTEGER :: ji ! dummy loop indices |
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143 | INTEGER :: ios, ilocal_comm ! local integers |
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144 | CHARACTER(len=120), DIMENSION(60) :: cltxt, cltxt2, clnam |
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145 | !! |
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146 | NAMELIST/namcfg/ ln_e3_dep, & |
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147 | & cp_cfg, cp_cfz, jp_cfg, jpidta, jpjdta, jpkdta, jpiglo, jpjglo, & |
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148 | & jperio, ln_use_jattr, ln_domclo |
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149 | !!---------------------------------------------------------------------- |
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150 | ! |
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151 | cltxt = '' |
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152 | ! |
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153 | ! ! Open reference namelist and configuration namelist files |
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154 | CALL ctl_opn( numnam_ref, 'namelist_ref', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. ) |
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155 | CALL ctl_opn( numnam_cfg, 'namelist_cfg', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. ) |
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156 | ! |
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157 | REWIND( numnam_ref ) ! Namelist namcfg in reference namelist |
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158 | READ ( numnam_ref, namcfg, IOSTAT = ios, ERR = 903 ) |
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159 | 903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namcfg in reference namelist', .TRUE. ) |
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160 | REWIND( numnam_cfg ) ! Namelist namcfg in confguration namelist |
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161 | READ ( numnam_cfg, namcfg, IOSTAT = ios, ERR = 904 ) |
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162 | 904 IF( ios > 0 ) CALL ctl_nam ( ios , 'namcfg in configuration namelist', .TRUE. ) |
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163 | |
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164 | ! Force values for AGRIF zoom (cf. agrif_user.F90) |
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165 | ! |
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166 | ! !--------------------------------------------! |
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167 | ! ! set communicator & select the local node ! |
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168 | ! ! NB: mynode also opens output.namelist.dyn ! |
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169 | ! ! on unit number numond on first proc ! |
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170 | ! !--------------------------------------------! |
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171 | ! Nodes selection (control print return in cltxt) |
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172 | narea = mynode( cltxt, 'output.namelist.dyn', numnam_ref, numnam_cfg, numond , nstop ) |
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173 | narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 ) |
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174 | |
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175 | lwm = (narea == 1) ! control of output namelists |
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176 | lwp = (narea == 1) ! control of all listing output print |
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177 | |
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178 | IF(lwm) THEN |
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179 | ! write merged namelists from earlier to output namelist now that the |
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180 | ! file has been opened in call to mynode. nammpp has already been |
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181 | ! written in mynode (if lk_mpp_mpi) |
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182 | WRITE( numond, namcfg ) |
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183 | ENDIF |
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184 | |
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185 | IF(lwp) THEN ! open listing units |
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186 | ! |
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187 | CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea ) |
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188 | ! |
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189 | WRITE(numout,*) |
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190 | WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean - INGV - CMCC' |
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191 | WRITE(numout,*) ' NEMO team' |
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192 | WRITE(numout,*) ' Ocean General Circulation Model' |
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193 | WRITE(numout,*) ' NEMO version 4.0 (2019) ' |
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194 | WRITE(numout,*) |
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195 | WRITE(numout,*) " ._ ._ ._ ._ ._ " |
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196 | WRITE(numout,*) " _.-._)`\_.-._)`\_.-._)`\_.-._)`\_.-._)`\_ " |
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197 | WRITE(numout,*) |
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198 | WRITE(numout,*) " o _, _, " |
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199 | WRITE(numout,*) " o .' ( .-' / " |
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200 | WRITE(numout,*) " o _/..._'. .' / " |
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201 | WRITE(numout,*) " ( o .-'` ` '-./ _.' " |
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202 | WRITE(numout,*) " ) ( o) ;= <_ ( " |
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203 | WRITE(numout,*) " ( '-.,\\__ __.-;`\ '. ) " |
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204 | WRITE(numout,*) " ) ) \) |`\ \) '. \ ( ( " |
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205 | WRITE(numout,*) " ( ( \_/ '-._\ ) ) " |
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206 | WRITE(numout,*) " ) ) ` ( ( " |
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207 | WRITE(numout,*) " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ " |
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208 | WRITE(numout,*) |
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209 | |
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210 | DO ji = 1, SIZE(cltxt) |
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211 | IF( TRIM(cltxt (ji)) /= '' ) WRITE(numout,*) TRIM(cltxt(ji)) ! control print of mynode |
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212 | END DO |
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213 | WRITE(numout,*) |
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214 | WRITE(numout,*) |
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215 | ! DO ji = 1, SIZE(cltxt2) |
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216 | ! IF( TRIM(cltxt2(ji)) /= '' ) WRITE(numout,*) TRIM(cltxt2(ji)) ! control print of domain size |
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217 | ! END DO |
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218 | ! |
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219 | WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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220 | ! |
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221 | ENDIF |
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222 | ! open /dev/null file to be able to supress output write easily |
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223 | ! CALL ctl_opn( numnul, '/dev/null', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. ) |
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224 | ! |
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225 | ! ! Domain decomposition |
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226 | CALL mpp_init ! MPP |
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227 | |
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228 | ! IF( Agrif_Root() ) THEN |
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229 | ! jpi = ( jpiglo -2*jpreci + (jpni-1) ) / jpni + 2*jpreci ! first dim. |
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230 | ! jpj = ( jpjglo -2*jprecj + (jpnj-1) ) / jpnj + 2*jprecj ! second dim. |
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231 | ! ENDIF |
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232 | jpk = jpkdta ! third dim |
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233 | jpim1 = jpi-1 ! inner domain indices |
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234 | jpjm1 = jpj-1 ! " " |
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235 | jpkm1 = jpk-1 ! " " |
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236 | jpij = jpi*jpj ! jpi x j |
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237 | |
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238 | #if defined key_agrif |
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239 | CALL Agrif_Declare_Var |
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240 | #endif |
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241 | |
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242 | ! Now we know the dimensions of the grid and numout has been set: we can allocate arrays |
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243 | CALL nemo_alloc() |
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244 | |
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245 | ! !-------------------------------! |
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246 | ! ! NEMO general initialization ! |
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247 | ! !-------------------------------! |
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248 | |
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249 | ! ! Domain decomposition |
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250 | ! |
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251 | ! ! General initialization |
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252 | CALL phy_cst ! Physical constants |
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253 | CALL dom_cfg ! Domain configuration |
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254 | CALL dom_init ! Domain |
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255 | ! |
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256 | END SUBROUTINE nemo_init |
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257 | |
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258 | SUBROUTINE nemo_closefile |
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259 | !!---------------------------------------------------------------------- |
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260 | !! *** ROUTINE nemo_closefile *** |
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261 | !! |
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262 | !! ** Purpose : Close the files |
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263 | !!---------------------------------------------------------------------- |
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264 | ! |
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265 | IF( lk_mpp ) CALL mppsync |
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266 | ! |
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267 | CALL iom_close ! close all input/output files managed by iom_* |
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268 | ! |
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269 | IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file |
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270 | IF( numnam_ref /= -1 ) CLOSE( numnam_ref ) ! oce reference namelist |
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271 | IF( numnam_cfg /= -1 ) CLOSE( numnam_cfg ) ! oce configuration namelist |
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272 | IF( lwm.AND.numond /= -1 ) CLOSE( numond ) ! oce output namelist |
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273 | IF( numout /= 6 ) CLOSE( numout ) ! standard model output file |
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274 | ! |
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275 | numout = 6 ! redefine numout in case it is used after this point... |
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276 | ! |
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277 | END SUBROUTINE nemo_closefile |
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278 | |
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279 | |
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280 | SUBROUTINE nemo_alloc |
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281 | !!---------------------------------------------------------------------- |
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282 | !! *** ROUTINE nemo_alloc *** |
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283 | !! |
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284 | !! ** Purpose : Allocate all the dynamic arrays of the OPA modules |
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285 | !! |
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286 | !! ** Method : |
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287 | !!---------------------------------------------------------------------- |
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288 | USE dom_oce , ONLY: dom_oce_alloc |
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289 | ! |
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290 | INTEGER :: ierr |
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291 | !!---------------------------------------------------------------------- |
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292 | ! |
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293 | ierr = 0 |
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294 | ierr = ierr + dom_oce_alloc () ! ocean domain |
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295 | ! |
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296 | CALL mpp_sum( 'nemogcm', ierr ) |
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297 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc : unable to allocate standard ocean arrays' ) |
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298 | ! |
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299 | END SUBROUTINE nemo_alloc |
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300 | |
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301 | |
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302 | SUBROUTINE nemo_partition( num_pes ) |
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303 | !!---------------------------------------------------------------------- |
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304 | !! *** ROUTINE nemo_partition *** |
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305 | !! |
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306 | !! ** Purpose : |
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307 | !! |
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308 | !! ** Method : |
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309 | !!---------------------------------------------------------------------- |
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310 | INTEGER, INTENT(in) :: num_pes ! The number of MPI processes we have |
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311 | ! |
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312 | INTEGER, PARAMETER :: nfactmax = 20 |
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313 | INTEGER :: nfact ! The no. of factors returned |
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314 | INTEGER :: ierr ! Error flag |
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315 | INTEGER :: ji |
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316 | INTEGER :: idiff, mindiff, imin ! For choosing pair of factors that are closest in value |
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317 | INTEGER, DIMENSION(nfactmax) :: ifact ! Array of factors |
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318 | !!---------------------------------------------------------------------- |
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319 | ! |
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320 | ierr = 0 |
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321 | ! |
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322 | CALL factorise( ifact, nfactmax, nfact, num_pes, ierr ) |
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323 | ! |
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324 | IF( nfact <= 1 ) THEN |
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325 | WRITE (numout, *) 'WARNING: factorisation of number of PEs failed' |
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326 | WRITE (numout, *) ' : using grid of ',num_pes,' x 1' |
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327 | jpnj = 1 |
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328 | jpni = num_pes |
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329 | ELSE |
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330 | ! Search through factors for the pair that are closest in value |
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331 | mindiff = 1000000 |
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332 | imin = 1 |
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333 | DO ji = 1, nfact-1, 2 |
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334 | idiff = ABS( ifact(ji) - ifact(ji+1) ) |
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335 | IF( idiff < mindiff ) THEN |
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336 | mindiff = idiff |
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337 | imin = ji |
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338 | ENDIF |
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339 | END DO |
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340 | jpnj = ifact(imin) |
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341 | jpni = ifact(imin + 1) |
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342 | ENDIF |
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343 | ! |
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344 | jpnij = jpni*jpnj |
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345 | ! |
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346 | END SUBROUTINE nemo_partition |
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347 | |
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348 | |
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349 | SUBROUTINE factorise( kfax, kmaxfax, knfax, kn, kerr ) |
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350 | !!---------------------------------------------------------------------- |
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351 | !! *** ROUTINE factorise *** |
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352 | !! |
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353 | !! ** Purpose : return the prime factors of n. |
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354 | !! knfax factors are returned in array kfax which is of |
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355 | !! maximum dimension kmaxfax. |
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356 | !! ** Method : |
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357 | !!---------------------------------------------------------------------- |
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358 | INTEGER , INTENT(in ) :: kn, kmaxfax |
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359 | INTEGER , INTENT( out) :: kerr, knfax |
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360 | INTEGER, DIMENSION(kmaxfax), INTENT( out) :: kfax |
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361 | ! |
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362 | INTEGER :: ifac, jl, inu |
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363 | INTEGER, PARAMETER :: ntest = 14 |
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364 | INTEGER, DIMENSION(ntest) :: ilfax |
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365 | !!---------------------------------------------------------------------- |
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366 | ! |
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367 | ! lfax contains the set of allowed factors. |
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368 | ilfax(:) = (/(2**jl,jl=ntest,1,-1)/) |
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369 | ! |
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370 | ! Clear the error flag and initialise output vars |
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371 | kerr = 0 |
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372 | kfax = 1 |
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373 | knfax = 0 |
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374 | ! |
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375 | ! Find the factors of n. |
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376 | IF( kn == 1 ) GOTO 20 |
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377 | |
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378 | ! nu holds the unfactorised part of the number. |
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379 | ! knfax holds the number of factors found. |
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380 | ! l points to the allowed factor list. |
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381 | ! ifac holds the current factor. |
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382 | ! |
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383 | inu = kn |
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384 | knfax = 0 |
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385 | ! |
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386 | DO jl = ntest, 1, -1 |
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387 | ! |
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388 | ifac = ilfax(jl) |
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389 | IF( ifac > inu ) CYCLE |
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390 | |
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391 | ! Test whether the factor will divide. |
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392 | |
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393 | IF( MOD(inu,ifac) == 0 ) THEN |
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394 | ! |
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395 | knfax = knfax + 1 ! Add the factor to the list |
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396 | IF( knfax > kmaxfax ) THEN |
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397 | kerr = 6 |
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398 | write (*,*) 'FACTOR: insufficient space in factor array ', knfax |
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399 | return |
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400 | ENDIF |
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401 | kfax(knfax) = ifac |
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402 | ! Store the other factor that goes with this one |
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403 | knfax = knfax + 1 |
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404 | kfax(knfax) = inu / ifac |
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405 | !WRITE (*,*) 'ARPDBG, factors ',knfax-1,' & ',knfax,' are ', kfax(knfax-1),' and ',kfax(knfax) |
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406 | ENDIF |
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407 | ! |
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408 | END DO |
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409 | ! |
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410 | 20 CONTINUE ! Label 20 is the exit point from the factor search loop. |
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411 | ! |
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412 | END SUBROUTINE factorise |
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413 | |
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414 | |
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415 | SUBROUTINE nemo_northcomms |
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416 | !!---------------------------------------------------------------------- |
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417 | !! *** ROUTINE nemo_northcomms *** |
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418 | !! ** Purpose : Setup for north fold exchanges with explicit |
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419 | !! point-to-point messaging |
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420 | !! |
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421 | !! ** Method : Initialization of the northern neighbours lists. |
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422 | !!---------------------------------------------------------------------- |
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423 | !! 1.0 ! 2011-10 (A. C. Coward, NOCS & J. Donners, PRACE) |
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424 | !! 2.0 ! 2013-06 Setup avoiding MPI communication (I. Epicoco, S. Mocavero, CMCC) |
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425 | !!---------------------------------------------------------------------- |
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426 | INTEGER :: sxM, dxM, sxT, dxT, jn |
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427 | INTEGER :: njmppmax |
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428 | !!---------------------------------------------------------------------- |
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429 | ! |
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430 | njmppmax = MAXVAL( njmppt ) |
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431 | ! |
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432 | !initializes the north-fold communication variables |
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433 | isendto(:) = 0 |
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434 | nsndto = 0 |
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435 | ! |
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436 | !if I am a process in the north |
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437 | IF ( njmpp == njmppmax ) THEN |
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438 | !sxM is the first point (in the global domain) needed to compute the |
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439 | !north-fold for the current process |
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440 | sxM = jpiglo - nimppt(narea) - nlcit(narea) + 1 |
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441 | !dxM is the last point (in the global domain) needed to compute the |
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442 | !north-fold for the current process |
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443 | dxM = jpiglo - nimppt(narea) + 2 |
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444 | |
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445 | !loop over the other north-fold processes to find the processes |
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446 | !managing the points belonging to the sxT-dxT range |
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447 | |
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448 | DO jn = 1, jpni |
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449 | !sxT is the first point (in the global domain) of the jn |
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450 | !process |
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451 | sxT = nfiimpp(jn, jpnj) |
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452 | !dxT is the last point (in the global domain) of the jn |
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453 | !process |
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454 | dxT = nfiimpp(jn, jpnj) + nfilcit(jn, jpnj) - 1 |
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455 | IF ((sxM .gt. sxT) .AND. (sxM .lt. dxT)) THEN |
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456 | nsndto = nsndto + 1 |
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457 | isendto(nsndto) = jn |
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458 | ELSEIF ((sxM .le. sxT) .AND. (dxM .ge. dxT)) THEN |
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459 | nsndto = nsndto + 1 |
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460 | isendto(nsndto) = jn |
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461 | ELSEIF ((dxM .lt. dxT) .AND. (sxT .lt. dxM)) THEN |
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462 | nsndto = nsndto + 1 |
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463 | isendto(nsndto) = jn |
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464 | END IF |
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465 | END DO |
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466 | nfsloop = 1 |
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467 | nfeloop = nlci |
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468 | DO jn = 2,jpni-1 |
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469 | IF(nfipproc(jn,jpnj) .eq. (narea - 1)) THEN |
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470 | IF (nfipproc(jn - 1 ,jpnj) .eq. -1) THEN |
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471 | nfsloop = nldi |
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472 | ENDIF |
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473 | IF (nfipproc(jn + 1,jpnj) .eq. -1) THEN |
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474 | nfeloop = nlei |
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475 | ENDIF |
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476 | ENDIF |
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477 | END DO |
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478 | |
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479 | ENDIF |
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480 | #if defined key_mpp_mpi |
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481 | l_north_nogather = .TRUE. |
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482 | #endif |
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483 | END SUBROUTINE nemo_northcomms |
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484 | |
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485 | |
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486 | !!====================================================================== |
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487 | END MODULE nemogcm |
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488 | |
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