[3331] | 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 standalone surface scheme |
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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 | !! 3.5 ! 2012-03 (S. Alderson) |
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[9267] | 13 | !! 4.0 ! 2017-04 (G. Madec) regroup global communications |
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[3331] | 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 oce ! ocean dynamics and tracers variables |
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| 20 | USE dom_oce ! ocean space and time domain variables |
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[9267] | 21 | USE ice , ONLY : vt_i, u_ice, tm_i |
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| 22 | ! |
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[12933] | 23 | USE diawri ! Standard run outputs (dia_wri_state routine) |
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[3331] | 24 | USE in_out_manager ! I/O manager |
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| 25 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 26 | USE lib_mpp ! distributed memory computing |
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[12933] | 27 | ! |
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[9441] | 28 | USE netcdf ! NetCDF library |
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[3331] | 29 | IMPLICIT NONE |
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| 30 | PRIVATE |
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| 31 | |
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| 32 | PUBLIC stp_ctl ! routine called by step.F90 |
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[9441] | 33 | |
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[12933] | 34 | INTEGER :: nrunid ! netcdf file id |
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| 35 | INTEGER, DIMENSION(3) :: nvarid ! netcdf variable id |
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[3331] | 36 | !!---------------------------------------------------------------------- |
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[10068] | 37 | !! NEMO/SAS 4.0 , NEMO Consortium (2018) |
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[5215] | 38 | !! $Id$ |
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[10068] | 39 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[3331] | 40 | !!---------------------------------------------------------------------- |
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| 41 | CONTAINS |
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| 42 | |
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[12933] | 43 | SUBROUTINE stp_ctl( kt, Kmm ) |
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[3331] | 44 | !!---------------------------------------------------------------------- |
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| 45 | !! *** ROUTINE stp_ctl *** |
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| 46 | !! |
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| 47 | !! ** Purpose : Control the run |
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| 48 | !! |
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| 49 | !! ** Method : - Save the time step in numstp |
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| 50 | !! - Print it each 50 time steps |
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[12933] | 51 | !! - Stop the run IF problem encountered by setting nstop > 0 |
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| 52 | !! Problems checked: ice thickness maximum > 100 m |
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| 53 | !! ice velocity maximum > 10 m/s |
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| 54 | !! min ice temperature < -100 degC |
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[3331] | 55 | !! |
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[9267] | 56 | !! ** Actions : "time.step" file = last ocean time-step |
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| 57 | !! "run.stat" file = run statistics |
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[12933] | 58 | !! nstop indicator sheared among all local domain |
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[3331] | 59 | !!---------------------------------------------------------------------- |
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[12933] | 60 | INTEGER, INTENT(in ) :: kt ! ocean time-step index |
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| 61 | INTEGER, INTENT(in ) :: Kmm ! ocean time level index |
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[9267] | 62 | !! |
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[12933] | 63 | INTEGER :: ji ! dummy loop indices |
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| 64 | INTEGER :: idtime, istatus |
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| 65 | INTEGER , DIMENSION(4) :: iareasum, iareamin, iareamax |
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| 66 | INTEGER , DIMENSION(3,3) :: iloc ! min/max loc indices |
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| 67 | REAL(wp) :: zzz ! local real |
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| 68 | REAL(wp), DIMENSION(4) :: zmax, zmaxlocal |
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| 69 | LOGICAL :: ll_wrtstp, ll_colruns, ll_wrtruns |
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| 70 | LOGICAL, DIMENSION(jpi,jpj) :: llmsk |
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| 71 | CHARACTER(len=20) :: clname |
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[3331] | 72 | !!---------------------------------------------------------------------- |
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[12933] | 73 | IF( nstop > 0 .AND. ngrdstop > -1 ) RETURN ! stpctl was already called by a child grid |
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[10603] | 74 | ! |
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[12933] | 75 | ll_wrtstp = ( MOD( kt-nit000, sn_cfctl%ptimincr ) == 0 ) .OR. ( kt == nitend ) |
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| 76 | ll_colruns = ll_wrtstp .AND. sn_cfctl%l_runstat .AND. jpnij > 1 |
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| 77 | ll_wrtruns = ( ll_colruns .OR. jpnij == 1 ) .AND. lwm |
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| 78 | ! |
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| 79 | IF( kt == nit000 ) THEN |
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| 80 | ! |
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| 81 | IF( lwp ) THEN |
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| 82 | WRITE(numout,*) |
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| 83 | WRITE(numout,*) 'stp_ctl : time-stepping control' |
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| 84 | WRITE(numout,*) '~~~~~~~' |
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| 85 | ENDIF |
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| 86 | ! ! open time.step ascii file, done only by 1st subdomain |
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| 87 | IF( lwm ) CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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| 88 | ! |
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| 89 | IF( ll_wrtruns ) THEN |
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| 90 | ! ! open run.stat ascii file, done only by 1st subdomain |
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[10425] | 91 | CALL ctl_opn( numrun, 'run.stat', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea ) |
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[12933] | 92 | ! ! open run.stat.nc netcdf file, done only by 1st subdomain |
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[10425] | 93 | clname = 'run.stat.nc' |
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| 94 | IF( .NOT. Agrif_Root() ) clname = TRIM(Agrif_CFixed())//"_"//TRIM(clname) |
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[12933] | 95 | istatus = NF90_CREATE( TRIM(clname), NF90_CLOBBER, nrunid ) |
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| 96 | istatus = NF90_DEF_DIM( nrunid, 'time' , NF90_UNLIMITED, idtime ) |
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| 97 | istatus = NF90_DEF_VAR( nrunid, 'vt_i_max' , NF90_DOUBLE, (/ idtime /), nvarid(1) ) |
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| 98 | istatus = NF90_DEF_VAR( nrunid, 'abs_u_max', NF90_DOUBLE, (/ idtime /), nvarid(2) ) |
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| 99 | istatus = NF90_DEF_VAR( nrunid, 'tm_i_min' , NF90_DOUBLE, (/ idtime /), nvarid(3) ) |
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| 100 | istatus = NF90_ENDDEF(nrunid) |
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[9441] | 101 | ENDIF |
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[12933] | 102 | ! |
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[3331] | 103 | ENDIF |
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[9267] | 104 | ! |
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[12933] | 105 | ! !== write current time step ==! |
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| 106 | ! !== done only by 1st subdomain at writting timestep ==! |
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| 107 | IF( lwm .AND. ll_wrtstp ) THEN |
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[9267] | 108 | WRITE ( numstp, '(1x, i8)' ) kt |
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| 109 | REWIND( numstp ) |
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| 110 | ENDIF |
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[12933] | 111 | ! !== test of local extrema ==! |
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| 112 | ! !== done by all processes at every time step ==! |
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| 113 | llmsk(:,:) = tmask(:,:,1) == 1._wp |
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[13136] | 114 | IF( COUNT( llmsk(:,:) ) > 0 ) THEN ! avoid huge values sent back for land processors... |
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| 115 | zmax(1) = MAXVAL( vt_i (:,:) , mask = llmsk ) ! max ice thickness |
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| 116 | zmax(2) = MAXVAL( ABS( u_ice(:,:) ) , mask = llmsk ) ! max ice velocity (zonal only) |
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| 117 | zmax(3) = MAXVAL( -tm_i (:,:) + 273.15_wp, mask = llmsk ) ! min ice temperature |
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| 118 | ELSE |
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| 119 | IF( ll_colruns ) THEN ! default value: must not be kept when calling mpp_max -> must be as small as possible |
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| 120 | zmax(1:3) = -HUGE(1._wp) |
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| 121 | ELSE ! default value: must not give true for any of the tests bellow (-> avoid manipulating HUGE...) |
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| 122 | zmax(1:3) = 0._wp |
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| 123 | ENDIF |
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| 124 | ENDIF |
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[12933] | 125 | zmax(4) = REAL( nstop, wp ) ! stop indicator |
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| 126 | ! !== get global extrema ==! |
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| 127 | ! !== done by all processes if writting run.stat ==! |
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[10603] | 128 | IF( ll_colruns ) THEN |
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[12933] | 129 | zmaxlocal(:) = zmax(:) |
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| 130 | CALL mpp_max( "stpctl", zmax ) ! max over the global domain |
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| 131 | nstop = NINT( zmax(4) ) ! update nstop indicator (now sheared among all local domains) |
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| 132 | ENDIF |
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| 133 | ! !== write "run.stat" files ==! |
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| 134 | ! !== done only by 1st subdomain at writting timestep ==! |
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[10603] | 135 | IF( ll_wrtruns ) THEN |
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[12933] | 136 | WRITE(numrun,9500) kt, zmax(1), zmax(2), -zmax(3) |
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| 137 | istatus = NF90_PUT_VAR( nrunid, nvarid(1), (/ zmax(1)/), (/kt/), (/1/) ) |
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| 138 | istatus = NF90_PUT_VAR( nrunid, nvarid(2), (/ zmax(2)/), (/kt/), (/1/) ) |
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| 139 | istatus = NF90_PUT_VAR( nrunid, nvarid(3), (/-zmax(3)/), (/kt/), (/1/) ) |
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| 140 | IF( kt == nitend ) istatus = NF90_CLOSE(nrunid) |
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[9441] | 141 | END IF |
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[12933] | 142 | ! !== error handling ==! |
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| 143 | ! !== done by all processes at every time step ==! |
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[9267] | 144 | ! |
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[12933] | 145 | IF( zmax(1) > 100._wp .OR. & ! too large ice thickness maximum ( > 100 m) |
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| 146 | & zmax(2) > 10._wp .OR. & ! too large ice velocity ( > 10 m/s) |
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| 147 | & zmax(3) > 101._wp .OR. & ! too cold ice temperature ( < -100 degC) |
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| 148 | & ISNAN( zmax(1) + zmax(2) + zmax(3) ) .OR. & ! NaN encounter in the tests |
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| 149 | & ABS( zmax(1) + zmax(2) + zmax(3) ) > HUGE(1._wp) ) THEN ! Infinity encounter in the tests |
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| 150 | ! |
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| 151 | iloc(:,:) = 0 |
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| 152 | 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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| 153 | ! first: close the netcdf file, so we can read it |
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| 154 | IF( lwm .AND. kt /= nitend ) istatus = NF90_CLOSE(nrunid) |
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| 155 | ! get global loc on the min/max |
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| 156 | CALL mpp_maxloc( 'stpctl', vt_i(:,:) , tmask(:,:,1), zzz, iloc(1:2,1) ) ! mpp_maxloc ok if mask = F |
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| 157 | CALL mpp_maxloc( 'stpctl',ABS( u_ice(:,:) ) , tmask(:,:,1), zzz, iloc(1:2,2) ) |
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| 158 | CALL mpp_minloc( 'stpctl', tm_i(:,:) - 273.15_wp, tmask(:,:,1), zzz, iloc(1:2,3) ) |
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| 159 | ! find which subdomain has the max. |
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| 160 | iareamin(:) = jpnij+1 ; iareamax(:) = 0 ; iareasum(:) = 0 |
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| 161 | DO ji = 1, 4 |
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| 162 | IF( zmaxlocal(ji) == zmax(ji) ) THEN |
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| 163 | iareamin(ji) = narea ; iareamax(ji) = narea ; iareasum(ji) = 1 |
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| 164 | ENDIF |
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| 165 | END DO |
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| 166 | CALL mpp_min( "stpctl", iareamin ) ! min over the global domain |
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| 167 | CALL mpp_max( "stpctl", iareamax ) ! max over the global domain |
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| 168 | CALL mpp_sum( "stpctl", iareasum ) ! sum over the global domain |
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| 169 | ELSE ! find local min and max locations: |
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| 170 | ! 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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| 171 | iloc(1:2,1) = MAXLOC( vt_i(:,:) , mask = llmsk ) + (/ nimpp - 1, njmpp - 1/) |
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| 172 | iloc(1:2,2) = MAXLOC( ABS( u_ice(:,:) ) , mask = llmsk ) + (/ nimpp - 1, njmpp - 1/) |
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| 173 | iloc(1:2,3) = MINLOC( tm_i(:,:) - 273.15_wp, mask = llmsk ) + (/ nimpp - 1, njmpp - 1/) |
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| 174 | iareamin(:) = narea ; iareamax(:) = narea ; iareasum(:) = 1 ! this is local information |
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| 175 | ENDIF |
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| 176 | ! |
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| 177 | WRITE(ctmp1,*) ' stp_ctl: ice_thick > 100 m or |ice_vel| > 10 m/s or ice_temp < -100 degC or NaN encounter in the tests' |
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| 178 | CALL wrt_line( ctmp2, kt, 'ice_thick max', zmax(1), iloc(:,1), iareasum(1), iareamin(1), iareamax(1) ) |
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| 179 | CALL wrt_line( ctmp3, kt, '|ice_vel| max', zmax(2), iloc(:,2), iareasum(2), iareamin(2), iareamax(2) ) |
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| 180 | CALL wrt_line( ctmp4, kt, 'ice_temp min', -zmax(3), iloc(:,3), iareasum(3), iareamin(3), iareamax(3) ) |
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| 181 | IF( Agrif_Root() ) THEN |
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| 182 | WRITE(ctmp6,*) ' ===> output of last computed fields in output.abort* files' |
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| 183 | ELSE |
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| 184 | WRITE(ctmp6,*) ' ===> output of last computed fields in '//TRIM(Agrif_CFixed())//'_output.abort* files' |
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| 185 | ENDIF |
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| 186 | ! |
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| 187 | CALL dia_wri_state( Kmm, 'output.abort' ) ! create an output.abort file |
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| 188 | ! |
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| 189 | IF( ll_colruns .or. jpnij == 1 ) THEN ! all processes synchronized -> use lwp to print in opened ocean.output files |
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[13115] | 190 | IF(lwp) THEN ; CALL ctl_stop( ctmp1, ' ', ctmp2, ctmp3, ctmp4, ctmp5, ' ', ctmp6 ) |
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| 191 | ELSE ; nstop = MAX(1, nstop) ! make sure nstop > 0 (automatically done when calling ctl_stop) |
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| 192 | ENDIF |
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[12933] | 193 | ELSE ! only mpi subdomains with errors are here -> STOP now |
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| 194 | CALL ctl_stop( 'STOP', ctmp1, ' ', ctmp2, ctmp3, ctmp4, ctmp5, ' ', ctmp6 ) |
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| 195 | ENDIF |
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| 196 | ! |
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| 197 | ENDIF |
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| 198 | ! |
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[13115] | 199 | IF( nstop > 0 ) THEN ! an error was detected and we did not abort yet... |
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| 200 | ngrdstop = Agrif_Fixed() ! store which grid got this error |
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| 201 | IF( .NOT. ll_colruns .AND. jpnij > 1 ) CALL ctl_stop( 'STOP' ) ! we must abort here to avoid MPI deadlock |
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| 202 | ENDIF |
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| 203 | ! |
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[10425] | 204 | 9500 FORMAT(' it :', i8, ' vt_i_max: ', D23.16, ' |u|_max: ', D23.16,' tm_i_min: ', D23.16) |
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[9267] | 205 | ! |
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[3331] | 206 | END SUBROUTINE stp_ctl |
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| 207 | |
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[12933] | 208 | |
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| 209 | SUBROUTINE wrt_line( cdline, kt, cdprefix, pval, kloc, ksum, kmin, kmax ) |
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| 210 | !!---------------------------------------------------------------------- |
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| 211 | !! *** ROUTINE wrt_line *** |
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| 212 | !! |
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| 213 | !! ** Purpose : write information line |
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| 214 | !! |
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| 215 | !!---------------------------------------------------------------------- |
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| 216 | CHARACTER(len=*), INTENT( out) :: cdline |
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| 217 | CHARACTER(len=*), INTENT(in ) :: cdprefix |
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| 218 | REAL(wp), INTENT(in ) :: pval |
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| 219 | INTEGER, DIMENSION(3), INTENT(in ) :: kloc |
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| 220 | INTEGER, INTENT(in ) :: kt, ksum, kmin, kmax |
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| 221 | ! |
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| 222 | CHARACTER(len=80) :: clsuff |
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| 223 | CHARACTER(len=9 ) :: clkt, clsum, clmin, clmax |
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| 224 | CHARACTER(len=9 ) :: cli, clj, clk |
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| 225 | CHARACTER(len=1 ) :: clfmt |
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| 226 | CHARACTER(len=4 ) :: cl4 ! needed to be able to compile with Agrif, I don't know why |
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| 227 | INTEGER :: ifmtk |
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| 228 | !!---------------------------------------------------------------------- |
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| 229 | WRITE(clkt , '(i9)') kt |
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| 230 | |
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| 231 | 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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| 232 | !!! WRITE(clsum, '(i'//clfmt//')') ksum ! this is creating a compilation error with AGRIF |
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| 233 | cl4 = '(i'//clfmt//')' ; WRITE(clsum, cl4) ksum |
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[13009] | 234 | 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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[12933] | 235 | cl4 = '(i'//clfmt//')' ; WRITE(clmin, cl4) kmin-1 |
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| 236 | WRITE(clmax, cl4) kmax-1 |
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| 237 | ! |
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| 238 | 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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| 239 | cl4 = '(i'//clfmt//')' ; WRITE(cli, cl4) kloc(1) ! this is ok with AGRIF |
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| 240 | 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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| 241 | cl4 = '(i'//clfmt//')' ; WRITE(clj, cl4) kloc(2) ! this is ok with AGRIF |
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| 242 | ! |
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| 243 | IF( ksum == 1 ) THEN ; WRITE(clsuff,9100) TRIM(clmin) |
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| 244 | ELSE ; WRITE(clsuff,9200) TRIM(clsum), TRIM(clmin), TRIM(clmax) |
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| 245 | ENDIF |
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| 246 | IF(kloc(3) == 0) THEN |
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| 247 | ifmtk = INT(LOG10(REAL(jpk,wp))) + 1 ! how many digits to we need to write jpk? (we decide max = 9) |
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| 248 | clk = REPEAT(' ', ifmtk) ! create the equivalent in blank string |
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| 249 | WRITE(cdline,9300) TRIM(ADJUSTL(clkt)), TRIM(ADJUSTL(cdprefix)), pval, TRIM(cli), TRIM(clj), clk(1:ifmtk), TRIM(clsuff) |
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| 250 | ELSE |
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| 251 | 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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| 252 | !!! WRITE(clk, '(i'//clfmt//')') kloc(3) ! this is creating a compilation error with AGRIF |
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| 253 | cl4 = '(i'//clfmt//')' ; WRITE(clk, cl4) kloc(3) ! this is ok with AGRIF |
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| 254 | WRITE(cdline,9400) TRIM(ADJUSTL(clkt)), TRIM(ADJUSTL(cdprefix)), pval, TRIM(cli), TRIM(clj), TRIM(clk), TRIM(clsuff) |
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| 255 | ENDIF |
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| 256 | ! |
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| 257 | 9100 FORMAT('MPI rank ', a) |
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| 258 | 9200 FORMAT('found in ', a, ' MPI tasks, spread out among ranks ', a, ' to ', a) |
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| 259 | 9300 FORMAT('kt ', a, ' ', a, ' ', 1pg11.4, ' at i j ', a, ' ', a, ' ', a, ' ', a) |
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| 260 | 9400 FORMAT('kt ', a, ' ', a, ' ', 1pg11.4, ' at i j k ', a, ' ', a, ' ', a, ' ', a) |
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| 261 | ! |
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| 262 | END SUBROUTINE wrt_line |
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| 263 | |
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| 264 | |
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[3331] | 265 | !!====================================================================== |
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| 266 | END MODULE stpctl |
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