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 | !!====================================================================== |
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6 | !! History : OPA ! 1991-03 (G. Madec) Original code |
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7 | !! 6.0 ! 1992-06 (M. Imbard) |
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8 | !! 8.0 ! 1997-06 (A.M. Treguier) |
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9 | !! NEMO 1.0 ! 2002-06 (G. Madec) F90: Free form and module |
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10 | !! 2.0 ! 2009-07 (G. Madec) Add statistic for time-spliting |
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11 | !! 3.7 ! 2016-09 (G. Madec) Remove solver |
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12 | !! 4.0 ! 2017-04 (G. Madec) regroup global communications |
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13 | !!---------------------------------------------------------------------- |
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14 | |
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15 | !!---------------------------------------------------------------------- |
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16 | !! stp_ctl : Control the run |
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17 | !!---------------------------------------------------------------------- |
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18 | USE oce ! ocean dynamics and tracers variables |
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19 | USE dom_oce ! ocean space and time domain variables |
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20 | USE c1d ! 1D vertical configuration |
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21 | USE zdf_oce , ONLY : ln_zad_Aimp ! ocean vertical physics variables |
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22 | USE wet_dry, ONLY : ll_wd, ssh_ref ! reference depth for negative bathy |
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23 | ! |
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24 | USE diawri ! Standard run outputs (dia_wri_state routine) |
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25 | USE in_out_manager ! I/O manager |
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26 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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27 | USE lib_mpp ! distributed memory computing |
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28 | ! |
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29 | USE netcdf ! NetCDF library |
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30 | IMPLICIT NONE |
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31 | PRIVATE |
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32 | |
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33 | PUBLIC stp_ctl ! routine called by step.F90 |
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34 | |
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35 | INTEGER :: nrunid ! netcdf file id |
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36 | INTEGER, DIMENSION(8) :: nvarid ! netcdf variable id |
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37 | !!---------------------------------------------------------------------- |
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38 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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39 | !! $Id$ |
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40 | !! Software governed by the CeCILL license (see ./LICENSE) |
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41 | !!---------------------------------------------------------------------- |
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42 | CONTAINS |
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43 | |
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44 | SUBROUTINE stp_ctl( kt, Kmm ) |
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45 | !!---------------------------------------------------------------------- |
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46 | !! *** ROUTINE stp_ctl *** |
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47 | !! |
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48 | !! ** Purpose : Control the run |
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49 | !! |
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50 | !! ** Method : - Save the time step in numstp |
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51 | !! - Print it each 50 time steps |
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52 | !! - Stop the run IF problem encountered by setting nstop > 0 |
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53 | !! Problems checked: |ssh| maximum larger than 10 m |
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54 | !! |U| maximum larger than 10 m/s |
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55 | !! negative sea surface salinity |
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56 | !! |
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57 | !! ** Actions : "time.step" file = last ocean time-step |
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58 | !! "run.stat" file = run statistics |
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59 | !! nstop indicator sheared among all local domain |
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60 | !!---------------------------------------------------------------------- |
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61 | INTEGER, INTENT(in ) :: kt ! ocean time-step index |
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62 | INTEGER, INTENT(in ) :: Kmm ! ocean time level index |
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63 | !! |
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64 | INTEGER :: ji ! dummy loop indices |
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65 | INTEGER :: idtime, istatus |
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66 | INTEGER , DIMENSION(9) :: iareasum, iareamin, iareamax |
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67 | INTEGER , DIMENSION(3,4) :: iloc ! min/max loc indices |
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68 | REAL(wp) :: zzz ! local real |
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69 | REAL(wp), DIMENSION(9) :: zmax, zmaxlocal |
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70 | LOGICAL :: ll_wrtstp, ll_colruns, ll_wrtruns |
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71 | LOGICAL, DIMENSION(jpi,jpj,jpk) :: llmsk |
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72 | CHARACTER(len=20) :: clname |
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73 | !!---------------------------------------------------------------------- |
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74 | IF( nstop > 0 .AND. ngrdstop > -1 ) RETURN ! stpctl was already called by a child grid |
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75 | ! |
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76 | ll_wrtstp = ( MOD( kt-nit000, sn_cfctl%ptimincr ) == 0 ) .OR. ( kt == nitend ) |
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77 | ll_colruns = ll_wrtstp .AND. sn_cfctl%l_runstat .AND. jpnij > 1 |
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78 | ll_wrtruns = ( ll_colruns .OR. jpnij == 1 ) .AND. lwm |
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79 | ! |
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80 | IF( kt == nit000 ) THEN |
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81 | ! |
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82 | IF( lwp ) THEN |
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83 | WRITE(numout,*) |
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84 | WRITE(numout,*) 'stp_ctl : time-stepping control' |
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85 | WRITE(numout,*) '~~~~~~~' |
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86 | ENDIF |
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87 | ! ! open time.step ascii file, done only by 1st subdomain |
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88 | IF( lwm ) CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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89 | ! |
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90 | IF( ll_wrtruns ) THEN |
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91 | ! ! open run.stat ascii file, done only by 1st subdomain |
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92 | CALL ctl_opn( numrun, 'run.stat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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93 | ! ! open run.stat.nc netcdf file, done only by 1st subdomain |
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94 | clname = 'run.stat.nc' |
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95 | IF( .NOT. Agrif_Root() ) clname = TRIM(Agrif_CFixed())//"_"//TRIM(clname) |
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96 | istatus = NF90_CREATE( TRIM(clname), NF90_CLOBBER, nrunid ) |
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97 | istatus = NF90_DEF_DIM( nrunid, 'time', NF90_UNLIMITED, idtime ) |
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98 | istatus = NF90_DEF_VAR( nrunid, 'abs_ssh_max', NF90_DOUBLE, (/ idtime /), nvarid(1) ) |
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99 | istatus = NF90_DEF_VAR( nrunid, 'abs_u_max', NF90_DOUBLE, (/ idtime /), nvarid(2) ) |
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100 | istatus = NF90_DEF_VAR( nrunid, 's_min', NF90_DOUBLE, (/ idtime /), nvarid(3) ) |
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101 | istatus = NF90_DEF_VAR( nrunid, 's_max', NF90_DOUBLE, (/ idtime /), nvarid(4) ) |
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102 | istatus = NF90_DEF_VAR( nrunid, 't_min', NF90_DOUBLE, (/ idtime /), nvarid(5) ) |
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103 | istatus = NF90_DEF_VAR( nrunid, 't_max', NF90_DOUBLE, (/ idtime /), nvarid(6) ) |
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104 | IF( ln_zad_Aimp ) THEN |
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105 | istatus = NF90_DEF_VAR( nrunid, 'Cf_max', NF90_DOUBLE, (/ idtime /), nvarid(7) ) |
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106 | istatus = NF90_DEF_VAR( nrunid,'abs_wi_max',NF90_DOUBLE, (/ idtime /), nvarid(8) ) |
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107 | ENDIF |
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108 | istatus = NF90_ENDDEF(nrunid) |
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109 | ENDIF |
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110 | ! |
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111 | ENDIF |
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112 | ! |
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113 | ! !== write current time step ==! |
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114 | ! !== done only by 1st subdomain at writting timestep ==! |
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115 | IF( lwm .AND. ll_wrtstp ) THEN |
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116 | WRITE ( numstp, '(1x, i8)' ) kt |
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117 | REWIND( numstp ) |
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118 | ENDIF |
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119 | ! !== test of local extrema ==! |
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120 | ! !== done by all processes at every time step ==! |
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121 | llmsk(:,:,1) = ssmask(:,:) == 1._wp |
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122 | IF( ll_wd ) THEN |
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123 | zmax(1) = MAXVAL( ABS( ssh(:,:,Kmm) + ssh_ref ), mask = llmsk(:,:,1) ) ! ssh max |
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124 | ELSE |
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125 | zmax(1) = MAXVAL( ABS( ssh(:,:,Kmm) ), mask = llmsk(:,:,1) ) ! ssh max |
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126 | ENDIF |
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127 | llmsk(:,:,:) = umask(:,:,:) == 1._wp |
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128 | zmax(2) = MAXVAL( ABS( uu(:,:,:,Kmm) ), mask = llmsk ) ! velocity max (zonal only) |
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129 | llmsk(:,:,:) = tmask(:,:,:) == 1._wp |
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130 | zmax(3) = MAXVAL( -ts(:,:,:,jp_sal,Kmm), mask = llmsk ) ! minus salinity max |
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131 | zmax(4) = MAXVAL( ts(:,:,:,jp_sal,Kmm), mask = llmsk ) ! salinity max |
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132 | IF( ll_colruns .OR. jpnij == 1 ) THEN ! following variables are used only in the netcdf file |
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133 | zmax(5) = MAXVAL( -ts(:,:,:,jp_tem,Kmm), mask = llmsk ) ! minus temperature max |
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134 | zmax(6) = MAXVAL( ts(:,:,:,jp_tem,Kmm), mask = llmsk ) ! temperature max |
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135 | IF( ln_zad_Aimp ) THEN |
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136 | zmax(7) = MAXVAL( Cu_adv(:,:,:) , mask = llmsk ) ! partitioning coeff. max |
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137 | llmsk(:,:,:) = wmask(:,:,:) == 1._wp |
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138 | zmax(8) = MAXVAL( ABS( wi(:,:,:) ) , mask = llmsk ) ! implicit vertical vel. max |
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139 | ELSE |
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140 | zmax(7:8) = 0._wp |
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141 | ENDIF |
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142 | ELSE |
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143 | zmax(5:8) = 0._wp |
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144 | ENDIF |
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145 | zmax(9) = REAL( nstop, wp ) ! stop indicator |
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146 | ! !== get global extrema ==! |
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147 | ! !== done by all processes if writting run.stat ==! |
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148 | IF( ll_colruns ) THEN |
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149 | zmaxlocal(:) = zmax(:) |
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150 | CALL mpp_max( "stpctl", zmax ) ! max over the global domain |
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151 | nstop = NINT( zmax(9) ) ! update nstop indicator (now sheared among all local domains) |
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152 | ENDIF |
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153 | ! !== write "run.stat" files ==! |
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154 | ! !== done only by 1st subdomain at writting timestep ==! |
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155 | IF( ll_wrtruns ) THEN |
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156 | WRITE(numrun,9500) kt, zmax(1), zmax(2), -zmax(3), zmax(4) |
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157 | istatus = NF90_PUT_VAR( nrunid, nvarid(1), (/ zmax(1)/), (/kt/), (/1/) ) |
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158 | istatus = NF90_PUT_VAR( nrunid, nvarid(2), (/ zmax(2)/), (/kt/), (/1/) ) |
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159 | istatus = NF90_PUT_VAR( nrunid, nvarid(3), (/-zmax(3)/), (/kt/), (/1/) ) |
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160 | istatus = NF90_PUT_VAR( nrunid, nvarid(4), (/ zmax(4)/), (/kt/), (/1/) ) |
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161 | istatus = NF90_PUT_VAR( nrunid, nvarid(5), (/-zmax(5)/), (/kt/), (/1/) ) |
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162 | istatus = NF90_PUT_VAR( nrunid, nvarid(6), (/ zmax(6)/), (/kt/), (/1/) ) |
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163 | IF( ln_zad_Aimp ) THEN |
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164 | istatus = NF90_PUT_VAR( nrunid, nvarid(7), (/ zmax(7)/), (/kt/), (/1/) ) |
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165 | istatus = NF90_PUT_VAR( nrunid, nvarid(8), (/ zmax(8)/), (/kt/), (/1/) ) |
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166 | ENDIF |
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167 | IF( kt == nitend ) istatus = NF90_CLOSE(nrunid) |
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168 | END IF |
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169 | ! !== error handling ==! |
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170 | ! !== done by all processes at every time step ==! |
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171 | ! |
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172 | IF( zmax(1) > 20._wp .OR. & ! too large sea surface height ( > 20 m ) |
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173 | & zmax(2) > 10._wp .OR. & ! too large velocity ( > 10 m/s) |
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174 | & zmax(3) >= 0._wp .OR. & ! negative or zero sea surface salinity |
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175 | & zmax(4) >= 100._wp .OR. & ! too large sea surface salinity ( > 100 ) |
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176 | & zmax(4) < 0._wp .OR. & ! too large sea surface salinity (keep this line for sea-ice) |
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177 | & ISNAN( zmax(1) + zmax(2) + zmax(3) ) .OR. & ! NaN encounter in the tests |
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178 | & ABS( zmax(1) + zmax(2) + zmax(3) ) > HUGE(1._wp) ) THEN ! Infinity encounter in the tests |
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179 | ! |
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180 | iloc(:,:) = 0 |
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181 | IF( ll_colruns ) THEN ! zmax is global, so it is the same on all subdomains -> no dead lock with mpp_maxloc |
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182 | ! first: close the netcdf file, so we can read it |
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183 | IF( lwm .AND. kt /= nitend ) istatus = NF90_CLOSE(nrunid) |
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184 | ! get global loc on the min/max |
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185 | CALL mpp_maxloc( 'stpctl', ABS(ssh(:,:, Kmm)), ssmask(:,: ), zzz, iloc(1:2,1) ) ! mpp_maxloc ok if mask = F |
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186 | CALL mpp_maxloc( 'stpctl', ABS( uu(:,:,:, Kmm)), umask(:,:,:), zzz, iloc(1:3,2) ) |
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187 | CALL mpp_minloc( 'stpctl', ts(:,:,:,jp_sal,Kmm) , tmask(:,:,:), zzz, iloc(1:3,3) ) |
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188 | CALL mpp_maxloc( 'stpctl', ts(:,:,:,jp_sal,Kmm) , tmask(:,:,:), zzz, iloc(1:3,4) ) |
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189 | ! find which subdomain has the max. |
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190 | iareamin(:) = jpnij+1 ; iareamax(:) = 0 ; iareasum(:) = 0 |
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191 | DO ji = 1, 9 |
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192 | IF( zmaxlocal(ji) == zmax(ji) ) THEN |
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193 | iareamin(ji) = narea ; iareamax(ji) = narea ; iareasum(ji) = 1 |
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194 | ENDIF |
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195 | END DO |
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196 | CALL mpp_min( "stpctl", iareamin ) ! min over the global domain |
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197 | CALL mpp_max( "stpctl", iareamax ) ! max over the global domain |
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198 | CALL mpp_sum( "stpctl", iareasum ) ! sum over the global domain |
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199 | ELSE ! find local min and max locations: |
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200 | ! if we are here, this means that the subdomain contains some oce points -> no need to test the mask used in maxloc |
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201 | iloc(1:2,1) = MAXLOC( ABS( ssh(:,:, Kmm)), mask = ssmask(:,: ) == 1._wp ) + (/ nimpp - 1, njmpp - 1 /) |
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202 | iloc(1:3,2) = MAXLOC( ABS( uu(:,:,:, Kmm)), mask = umask(:,:,:) == 1._wp ) + (/ nimpp - 1, njmpp - 1, 0 /) |
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203 | iloc(1:3,3) = MINLOC( ts(:,:,:,jp_sal,Kmm) , mask = tmask(:,:,:) == 1._wp ) + (/ nimpp - 1, njmpp - 1, 0 /) |
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204 | iloc(1:3,4) = MAXLOC( ts(:,:,:,jp_sal,Kmm) , mask = tmask(:,:,:) == 1._wp ) + (/ nimpp - 1, njmpp - 1, 0 /) |
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205 | iareamin(:) = narea ; iareamax(:) = narea ; iareasum(:) = 1 ! this is local information |
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206 | ENDIF |
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207 | ! |
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208 | WRITE(ctmp1,*) ' stp_ctl: |ssh| > 20 m or |U| > 10 m/s or S <= 0 or S >= 100 or NaN encounter in the tests' |
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209 | CALL wrt_line( ctmp2, kt, '|ssh| max', zmax(1), iloc(:,1), iareasum(1), iareamin(1), iareamax(1) ) |
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210 | CALL wrt_line( ctmp3, kt, '|U| max', zmax(2), iloc(:,2), iareasum(2), iareamin(2), iareamax(2) ) |
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211 | CALL wrt_line( ctmp4, kt, 'Sal min', -zmax(3), iloc(:,3), iareasum(3), iareamin(3), iareamax(3) ) |
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212 | CALL wrt_line( ctmp5, kt, 'Sal max', zmax(4), iloc(:,4), iareasum(4), iareamin(4), iareamax(4) ) |
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213 | IF( Agrif_Root() ) THEN |
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214 | WRITE(ctmp6,*) ' ===> output of last computed fields in output.abort* files' |
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215 | ELSE |
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216 | WRITE(ctmp6,*) ' ===> output of last computed fields in '//TRIM(Agrif_CFixed())//'_output.abort* files' |
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217 | ENDIF |
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218 | ! |
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219 | CALL dia_wri_state( Kmm, 'output.abort' ) ! create an output.abort file |
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220 | ! |
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221 | IF( ll_colruns .or. jpnij == 1 ) THEN ! all processes synchronized -> use lwp to print in opened ocean.output files |
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222 | IF(lwp) THEN ; CALL ctl_stop( ctmp1, ' ', ctmp2, ctmp3, ctmp4, ctmp5, ' ', ctmp6 ) |
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223 | ELSE ; nstop = MAX(1, nstop) ! make sure nstop > 0 (automatically done when calling ctl_stop) |
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224 | ENDIF |
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225 | ELSE ! only mpi subdomains with errors are here -> STOP now |
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226 | CALL ctl_stop( 'STOP', ctmp1, ' ', ctmp2, ctmp3, ctmp4, ctmp5, ' ', ctmp6 ) |
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227 | ENDIF |
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228 | ! |
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229 | ENDIF |
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230 | ! |
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231 | IF( nstop > 0 ) THEN ! an error was detected and we did not abort yet... |
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232 | ngrdstop = Agrif_Fixed() ! store which grid got this error |
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233 | IF( .NOT. ll_colruns .AND. jpnij > 1 ) CALL ctl_stop( 'STOP' ) ! we must abort here to avoid MPI deadlock |
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234 | ENDIF |
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235 | ! |
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236 | 9500 FORMAT(' it :', i8, ' |ssh|_max: ', D23.16, ' |U|_max: ', D23.16,' S_min: ', D23.16,' S_max: ', D23.16) |
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237 | ! |
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238 | END SUBROUTINE stp_ctl |
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239 | |
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240 | |
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241 | SUBROUTINE wrt_line( cdline, kt, cdprefix, pval, kloc, ksum, kmin, kmax ) |
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242 | !!---------------------------------------------------------------------- |
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243 | !! *** ROUTINE wrt_line *** |
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244 | !! |
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245 | !! ** Purpose : write information line |
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246 | !! |
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247 | !!---------------------------------------------------------------------- |
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248 | CHARACTER(len=*), INTENT( out) :: cdline |
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249 | CHARACTER(len=*), INTENT(in ) :: cdprefix |
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250 | REAL(wp), INTENT(in ) :: pval |
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251 | INTEGER, DIMENSION(3), INTENT(in ) :: kloc |
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252 | INTEGER, INTENT(in ) :: kt, ksum, kmin, kmax |
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253 | ! |
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254 | CHARACTER(len=80) :: clsuff |
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255 | CHARACTER(len=9 ) :: clkt, clsum, clmin, clmax |
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256 | CHARACTER(len=9 ) :: cli, clj, clk |
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257 | CHARACTER(len=1 ) :: clfmt |
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258 | CHARACTER(len=4 ) :: cl4 ! needed to be able to compile with Agrif, I don't know why |
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259 | INTEGER :: ifmtk |
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260 | !!---------------------------------------------------------------------- |
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261 | WRITE(clkt , '(i9)') kt |
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262 | |
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263 | WRITE(clfmt, '(i1)') INT(LOG10(REAL(jpnij ,wp))) + 1 ! how many digits to we need to write ? (we decide max = 9) |
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264 | !!! WRITE(clsum, '(i'//clfmt//')') ksum ! this is creating a compilation error with AGRIF |
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265 | cl4 = '(i'//clfmt//')' ; WRITE(clsum, cl4) ksum |
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266 | WRITE(clfmt, '(i1)') INT(LOG10(REAL(MAX(1,jpnij-1),wp))) + 1 ! how many digits to we need to write ? (we decide max = 9) |
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267 | cl4 = '(i'//clfmt//')' ; WRITE(clmin, cl4) kmin-1 |
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268 | WRITE(clmax, cl4) kmax-1 |
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269 | ! |
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270 | WRITE(clfmt, '(i1)') INT(LOG10(REAL(jpiglo,wp))) + 1 ! how many digits to we need to write jpiglo? (we decide max = 9) |
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271 | cl4 = '(i'//clfmt//')' ; WRITE(cli, cl4) kloc(1) ! this is ok with AGRIF |
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272 | WRITE(clfmt, '(i1)') INT(LOG10(REAL(jpjglo,wp))) + 1 ! how many digits to we need to write jpjglo? (we decide max = 9) |
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273 | cl4 = '(i'//clfmt//')' ; WRITE(clj, cl4) kloc(2) ! this is ok with AGRIF |
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274 | ! |
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275 | IF( ksum == 1 ) THEN ; WRITE(clsuff,9100) TRIM(clmin) |
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276 | ELSE ; WRITE(clsuff,9200) TRIM(clsum), TRIM(clmin), TRIM(clmax) |
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277 | ENDIF |
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278 | IF(kloc(3) == 0) THEN |
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279 | ifmtk = INT(LOG10(REAL(jpk,wp))) + 1 ! how many digits to we need to write jpk? (we decide max = 9) |
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280 | clk = REPEAT(' ', ifmtk) ! create the equivalent in blank string |
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281 | WRITE(cdline,9300) TRIM(ADJUSTL(clkt)), TRIM(ADJUSTL(cdprefix)), pval, TRIM(cli), TRIM(clj), clk(1:ifmtk), TRIM(clsuff) |
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282 | ELSE |
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283 | WRITE(clfmt, '(i1)') INT(LOG10(REAL(jpk,wp))) + 1 ! how many digits to we need to write jpk? (we decide max = 9) |
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284 | !!! WRITE(clk, '(i'//clfmt//')') kloc(3) ! this is creating a compilation error with AGRIF |
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285 | cl4 = '(i'//clfmt//')' ; WRITE(clk, cl4) kloc(3) ! this is ok with AGRIF |
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286 | WRITE(cdline,9400) TRIM(ADJUSTL(clkt)), TRIM(ADJUSTL(cdprefix)), pval, TRIM(cli), TRIM(clj), TRIM(clk), TRIM(clsuff) |
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287 | ENDIF |
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288 | ! |
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289 | 9100 FORMAT('MPI rank ', a) |
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290 | 9200 FORMAT('found in ', a, ' MPI tasks, spread out among ranks ', a, ' to ', a) |
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291 | 9300 FORMAT('kt ', a, ' ', a, ' ', 1pg11.4, ' at i j ', a, ' ', a, ' ', a, ' ', a) |
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292 | 9400 FORMAT('kt ', a, ' ', a, ' ', 1pg11.4, ' at i j k ', a, ' ', a, ' ', a, ' ', a) |
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293 | ! |
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294 | END SUBROUTINE wrt_line |
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295 | |
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296 | |
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297 | !!====================================================================== |
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298 | END MODULE stpctl |
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