1 | MODULE stpctl |
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2 | !!====================================================================== |
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3 | !! *** MODULE stpctl *** |
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4 | !! Ocean run control : gross check of the ocean time stepping |
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5 | !! version for STATION_ASF test-case |
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6 | !!====================================================================== |
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7 | !! History : OPA ! 1991-03 (G. Madec) Original code |
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8 | !! 6.0 ! 1992-06 (M. Imbard) |
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9 | !! 8.0 ! 1997-06 (A.M. Treguier) |
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10 | !! NEMO 1.0 ! 2002-06 (G. Madec) F90: Free form and module |
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11 | !! 2.0 ! 2009-07 (G. Madec) Add statistic for time-spliting |
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12 | !! 3.7 ! 2016-09 (G. Madec) Remove solver |
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13 | !! 4.0 ! 2017-04 (G. Madec) regroup global communications |
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14 | !!---------------------------------------------------------------------- |
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15 | |
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16 | !!---------------------------------------------------------------------- |
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17 | !! stp_ctl : Control the run |
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18 | !!---------------------------------------------------------------------- |
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19 | USE dom_oce ! ocean space and time domain variables |
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20 | USE sbc_oce ! surface fluxes and stuff |
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21 | USE diawri ! Standard run outputs (dia_wri_state routine) |
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22 | ! |
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23 | USE in_out_manager ! I/O manager |
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24 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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25 | USE lib_mpp ! distributed memory computing |
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26 | |
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27 | USE netcdf ! NetCDF library |
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28 | IMPLICIT NONE |
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29 | PRIVATE |
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30 | |
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31 | PUBLIC stp_ctl ! routine called by step.F90 |
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32 | |
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33 | INTEGER :: nrunid, ntauid, nqnsid, nempid |
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34 | !!---------------------------------------------------------------------- |
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35 | !! NEMO/SAS 4.0 , NEMO Consortium (2018) |
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36 | !! $Id: stpctl.F90 10603 2019-01-29 11:18:09Z acc $ |
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37 | !! Software governed by the CeCILL license (see ./LICENSE) |
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38 | !!---------------------------------------------------------------------- |
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39 | CONTAINS |
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40 | |
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41 | SUBROUTINE stp_ctl( kt, Kbb, Kmm ) |
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42 | !!---------------------------------------------------------------------- |
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43 | !! *** ROUTINE stp_ctl *** |
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44 | !! |
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45 | !! ** Purpose : Control the run |
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46 | !! |
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47 | !! ** Method : - Save the time step in numstp |
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48 | !! - Print it each 50 time steps |
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49 | !! - Stop the run IF problem encountered by setting indic=-3 |
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50 | !! |
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51 | !! ** Actions : "time.step" file = last ocean time-step |
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52 | !! "run.stat" file = run statistics |
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53 | !! nstop indicator sheared among all local domain (lk_mpp=T) |
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54 | !!---------------------------------------------------------------------- |
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55 | INTEGER, INTENT(in ) :: kt ! ocean time-step index |
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56 | INTEGER, INTENT(in ) :: Kbb, Kmm ! ocean time level index |
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57 | !! |
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58 | INTEGER :: idtime, istatus |
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59 | REAL(wp), DIMENSION(3) :: zmax |
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60 | LOGICAL :: ll_wrtstp, ll_colruns, ll_wrtruns |
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61 | LOGICAL, DIMENSION(jpi,jpj) :: llmsk |
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62 | CHARACTER(len=20) :: clname |
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63 | !!---------------------------------------------------------------------- |
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64 | ! |
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65 | ll_wrtstp = ( MOD( kt-nit000, sn_cfctl%ptimincr ) == 0 ) .OR. ( kt == nitend ) |
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66 | ll_colruns = ll_wrtstp .AND. sn_cfctl%l_runstat |
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67 | ll_wrtruns = ll_colruns .AND. lwm |
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68 | ! |
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69 | IF( kt == nit000 ) THEN |
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70 | ! |
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71 | IF( lwp ) THEN |
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72 | WRITE(numout,*) |
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73 | WRITE(numout,*) 'stp_ctl : time-stepping control' |
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74 | WRITE(numout,*) '~~~~~~~' |
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75 | ENDIF |
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76 | ! ! open time.step ascii file, done only by 1st subdomain |
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77 | IF( lwm ) CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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78 | ! |
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79 | IF( ll_wrtruns ) THEN |
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80 | ! ! open run.stat ascii file, done only by 1st subdomain |
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81 | CALL ctl_opn( numrun, 'run.stat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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82 | ! ! open run.stat.nc netcdf file, done only by 1st subdomain |
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83 | clname = 'run.stat.nc' |
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84 | IF( .NOT. Agrif_Root() ) clname = TRIM(Agrif_CFixed())//"_"//TRIM(clname) |
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85 | istatus = NF90_CREATE( TRIM(clname), NF90_CLOBBER, nrunid ) |
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86 | istatus = NF90_DEF_DIM( nrunid, 'time', NF90_UNLIMITED, idtime ) |
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87 | istatus = NF90_DEF_VAR( nrunid, 'tau_max', NF90_DOUBLE, (/ idtime /), ntauid ) |
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88 | istatus = NF90_DEF_VAR( nrunid, 'qns_max', NF90_DOUBLE, (/ idtime /), nqnsid ) |
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89 | istatus = NF90_DEF_VAR( nrunid, 'emp_max', NF90_DOUBLE, (/ idtime /), nempid ) |
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90 | istatus = NF90_ENDDEF(nrunid) |
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91 | ENDIF |
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92 | ! |
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93 | ENDIF |
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94 | ! |
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95 | ! !== write current time step ==! |
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96 | ! !== done only by 1st subdomain at writting timestep ==! |
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97 | IF( lwm .AND. ll_wrtstp ) THEN |
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98 | WRITE ( numstp, '(1x, i8)' ) kt |
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99 | REWIND( numstp ) |
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100 | ENDIF |
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101 | ! !== test of local extrema ==! |
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102 | ! !== done by all processes at every time step ==! |
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103 | llmsk(:,:) = tmask(:,:,1) == 1._wp |
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104 | zmax(1) = MAXVAL( taum(:,:) , mask = llmsk ) ! max wind stress module |
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105 | zmax(2) = MAXVAL( ABS( qns(:,:) ) , mask = llmsk ) ! max non-solar heat flux |
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106 | zmax(3) = MAXVAL( ABS( emp(:,:) ) , mask = llmsk ) ! max E-P |
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107 | ! |
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108 | IF( ll_colruns ) THEN |
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109 | CALL mpp_max( "stpctl", zmax ) ! max over the global domain |
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110 | nstop = NINT( zmax(3) ) ! nstop indicator sheared among all local domains |
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111 | ENDIF |
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112 | ! !== run statistics ==! ("run.stat" files) |
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113 | IF( ll_wrtruns ) THEN |
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114 | WRITE(numrun,9500) kt, zmax(1), zmax(2), zmax(3) |
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115 | istatus = NF90_PUT_VAR( nrunid, ntauid, (/ zmax(1)/), (/kt/), (/1/) ) |
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116 | istatus = NF90_PUT_VAR( nrunid, nqnsid, (/ zmax(2)/), (/kt/), (/1/) ) |
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117 | istatus = NF90_PUT_VAR( nrunid, nempid, (/ zmax(3)/), (/kt/), (/1/) ) |
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118 | IF( MOD( kt , 100 ) == 0 ) istatus = NF90_SYNC(nrunid) |
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119 | IF( kt == nitend ) istatus = NF90_CLOSE(nrunid) |
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120 | END IF |
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121 | ! !== error handling ==! |
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122 | IF( ( sn_cfctl%l_glochk .OR. lsomeoce ) .AND. ( & ! domain contains some ocean points, check for sensible ranges |
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123 | & zmax(1) > 5._wp .OR. & ! too large wind stress ( > 5 N/m^2 ) |
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124 | & zmax(2) > 2000._wp .OR. & ! too large non-solar heat flux ( > 2000 W/m^2) |
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125 | & zmax(3) > 1.E-3_wp .OR. & ! too large net freshwater flux ( kg/m^2/s) |
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126 | & ISNAN( zmax(1) + zmax(2) + zmax(3) ) ) ) THEN ! NaN encounter in the tests |
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127 | |
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128 | !! We are 1D so no need to find a spatial location of the rogue point. |
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129 | |
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130 | WRITE(ctmp1,*) ' stp_ctl: |tau_mod| > 5 N/m2 or |qns| > 2000 W/m2 or |emp| > 1.E-3 or NaN encounter in the tests' |
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131 | WRITE(ctmp2,9500) kt, zmax(1), zmax(2), zmax(3) |
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132 | WRITE(ctmp6,*) ' ===> output of last computed fields in output.abort.nc file' |
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133 | |
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134 | CALL dia_wri_state( Kmm, 'output.abort' ) ! create an output.abort file |
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135 | |
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136 | IF( .NOT. sn_cfctl%l_glochk ) THEN |
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137 | WRITE(ctmp8,*) 'E R R O R message from sub-domain: ', narea |
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138 | CALL ctl_stop( 'STOP', ctmp1, ' ', ctmp2, ' ', ctmp6, ' ' ) |
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139 | ELSE |
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140 | CALL ctl_stop( ctmp1, ' ', ctmp2, ' ', ctmp6, ' ' ) |
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141 | ENDIF |
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142 | |
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143 | kindic = -3 |
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144 | ! |
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145 | ENDIF |
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146 | ! |
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147 | 9500 FORMAT(' it :', i8, ' tau_max: ', D23.16, ' |qns|_max: ', D23.16,' |emp|_max: ', D23.16) |
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148 | ! |
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149 | END SUBROUTINE stp_ctl |
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150 | |
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151 | !!====================================================================== |
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152 | END MODULE stpctl |
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