/usr/src/oasis3/atmoa3/atm.F90 is in oasis3-examples 3.3.beta.dfsg.1-8build2.
This file is owned by root:root, with mode 0o644.
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!======================================================================
! This program simulates the atmospheric part of a coupled model using
! the PRISM System Model Interface (PSMILe) to the Oasis CLIM communication
! library for field exchange. The field dimensions are realistic,
! corresponding to a T42 reduced gaussian grid, but beside the exchanges
! the model is pratically "empty" (no real physics nor dynamics).
!======================================================================
USE mod_kinds_model
USE mod_prism_proto
USE mod_prism_put_proto
USE mod_prism_get_proto
USE mod_prism_grids_writing
IMPLICIT NONE
!
#ifndef key_nonetCDF
#include <netcdf.inc>
#endif
!
! Grid dimensions
INTEGER, PARAMETER :: il_im = 6232, il_jm = 1, il_imjm = il_im*il_jm
!
INTEGER, PARAMETER :: jpfldout = 7 ! Number of fields sent
INTEGER, PARAMETER :: jpfldin = 3 ! Number of fields received
!
CHARACTER(len=8), DIMENSION(jpfldout) :: cl_writ ! Symb names fields sent
CHARACTER(len=8), DIMENSION(jpfldin) :: cl_read ! Symb names fields received
!
INTEGER, dimension(jpfldout) :: il_var_id_out ! ID for fields sent
INTEGER, dimension(jpfldin) :: il_var_id_in ! ID for fields received
!
! Fields sent
REAL(kind=ip_realwp_p),DIMENSION(:),ALLOCATABLE :: fsol, fnsol, waflx
REAL(kind=ip_realwp_p),DIMENSION(:),ALLOCATABLE :: runoff, taux, tauy
REAL(kind=ip_realwp_p),DIMENSION(:),ALLOCATABLE :: sens
!
! Fields received
REAL(kind=ip_realwp_p),DIMENSION(:),ALLOCATABLE :: sst
REAL(kind=ip_realwp_p),DIMENSION(:),ALLOCATABLE :: glace
REAL(kind=ip_realwp_p),DIMENSION(:),ALLOCATABLE :: spec1
!
CHARACTER(len=6), PARAMETER :: cp_modnam='toyatm' ! Component model name
!
INTEGER, PARAMETER :: npas = 144 ! Number of steps for the simulation.
! We hard code this numbers but later specific PSMILe routines will be
! developed to access the relevant information in the SCC file.
!
INTEGER, PARAMETER :: il_print = 24 ! Printing interval
INTEGER, PARAMETER :: itimestep = 3600 ! Timestep in seconds
!
LOGICAL :: ll_comparal ! Logical true if component is parallel
! and if all process communicates with Oasis.
!
INTEGER :: itap, itap_sec, ji, jf, ierror, ibou
INTEGER :: il_rank
INTEGER :: il_mparout
CHARACTER(len=8) :: chatmout
CHARACTER(len=2) :: chout
INTEGER :: il_comp_id ! Component ID
INTEGER :: il_commlocal ! Component internal communicator
INTEGER :: il_nbtotproc ! Total number of processes
INTEGER :: il_nbcplproc ! Number of processes involved in the coupling
INTEGER :: il_part_id ! Local partition ID
INTEGER :: il_length ! Size of partial field for each process
INTEGER, DIMENSION(2) :: il_var_nodims, il_var_shape ! see below
!
INTEGER :: il_flag ! Flag for grid writing
INTEGER :: il_status, il_fileid, il_varid
INTEGER, DIMENSION(2) :: ist, icnt
REAL(kind=ip_double_p),DIMENSION(il_im,il_jm) :: dla_lon, dla_lat, dla_srf
REAL(kind=ip_double_p),DIMENSION(il_im,il_jm,4) :: dla_lonb, dla_latb
!
REAL(kind=ip_realwp_p),DIMENSION(il_im,il_jm) :: rla_lon, rla_lat, rla_srf
INTEGER,DIMENSION(il_im,il_jm) :: ila_msk
REAL(kind=ip_realwp_p),DIMENSION(il_im,il_jm,4) :: rla_lonb, rla_latb
!
EXTERNAL decomp_def ! defines the decomposition
!
INTEGER :: io_size, ii, il_bufsize, il_real, il_bufsizebyt
INTEGER :: integer_byte_size, integer_io_size
REAL(kind=ip_realwp_p), DIMENSION(il_im,il_jm) :: rla_array
REAL(kind=ip_realwp_p), DIMENSION(:), ALLOCATABLE :: rla_bufsend
!======================================================================
!
! 1- PSMILe initialization
!
CALL MPI_Init (ierror)
CALL prism_init_comp_proto (il_comp_id, cp_modnam, ierror)
!
! Let's suppose the model attaches to a MPI buffer for its own use
!
! ! Sophisticated way to determine buffer size needed (without "kind")
! ! Here one message containing rla_array
integer_byte_size = BIT_SIZE(ii)/8
INQUIRE (iolength=io_size) ii
integer_io_size = io_size
INQUIRE (iolength=io_size) rla_array(1,1)
il_real = io_size/integer_io_size*integer_byte_size
il_bufsize = il_imjm + MPI_BSEND_OVERHEAD/il_real + 1
ALLOCATE (rla_bufsend(il_bufsize), stat = ierror)
il_bufsizebyt = il_bufsize * il_real
CALL MPI_Buffer_Attach(rla_bufsend, il_bufsizebyt, ierror)
IF (ierror .NE. PRISM_Ok) THEN
WRITE (*,*) ' atm : pb prism_init_comp_proto'
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort1')
ELSE
WRITE(*,*) 'atm : prism_init_comp_proto ok '
ENDIF
!
! 2- PSMILe attribution of local communicator.
!
! Either MPI_COMM_WORLD if MPI2 is used,
! Either a local communicator created by Oasis if MPI1 is used.
!
CALL prism_get_localcomm_proto(il_commlocal, ierror)
!
IF (ierror .NE. PRISM_Ok) THEN
WRITE (*,*) ' atm : pb prism_init_comp_proto'
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort2')
ELSE
WRITE(*,*) 'atm : prism_init_comp_proto ok '
ENDIF
!
! 3- Inquire if atm is parallel or not and open the process log file
!
CALL MPI_Comm_Size(il_commlocal, il_nbtotproc, ierror)
CALL MPI_Comm_Rank(il_commlocal, il_rank, ierror)
!
il_mparout = 85 + il_rank
WRITE(chout,'(I2)')il_mparout
chatmout='atmout'//chout
!
OPEN(il_mparout,file=chatmout,form='formatted')
!
WRITE(il_mparout,*) 'Atm: Number of processes:', il_nbtotproc
WRITE(il_mparout,*) 'Local process number:', il_rank
WRITE(il_mparout,*) 'Local communicator is : ',il_commlocal
CALL flush(il_mparout)
!
! 4- Compare the total number of processes and the number of processes
! involved in the coupling.
!
! 3 cases are illustrated here:
! . A monoprocess atm which process is involved in the coupling
! (ll_comparal = .FALSE.); put nproc_atmche=1 and ncpl_atmche=1 in
! launching script run_toyoasis3; value of il_nbcplproc has no importance.
! . A parallel atm with only the master process involved in the coupling
! (ll_comparal = .FALSE.); put nproc_atmche=3 and ncpl_atmche=1 in
! launching script run_toyoasis3; put il_nbcplproc = 1 here after.
! . A parallel atm with all processes involved in the coupling
! (ll_comparal = .TRUE.); put nproc_atmche=3 and ncpl_atmche=3 in
! launching script run_toyoasis3; put il_nbcplproc = 3 here after.
!
il_nbcplproc = 3
!
IF (il_nbcplproc .EQ. il_nbtotproc .and. il_nbtotproc .ne. 1) THEN
ll_comparal = .TRUE.
ELSE
ll_comparal = .FALSE.
ENDIF
WRITE(il_mparout,*)'ll_comparal',ll_comparal
!
! Define the grids by master proc
!
IF (il_rank.EQ.0) THEN
CALL prism_start_grids_writing(il_flag)
#ifndef key_nonetCDF
IF (il_flag .EQ. 1) THEN
!
! read and write the grid
ist(1)=1 ; ist(2)=1
icnt(1)=il_im ; icnt(2)=il_jm
il_status=NF_OPEN('toyatm_grid.nc', NF_NOWRITE, il_fileid)
il_status=NF_INQ_VARID(il_fileid, 'bt42.lon' , il_varid)
il_status=NF_GET_VARA_DOUBLE (il_fileid, il_varid, ist, icnt, &
dla_lon(:,:))
il_status=NF_INQ_VARID(il_fileid, 'bt42.lat' , il_varid)
il_status=NF_GET_VARA_DOUBLE (il_fileid, il_varid, ist, icnt, &
dla_lat(:,:))
il_status=NF_INQ_VARID(il_fileid, 'bt42.clo' , il_varid)
il_status=NF_GET_VARA_DOUBLE (il_fileid, il_varid, (/1,1,1/), &
(/il_im,il_jm,4/), dla_lonb(:,:,:))
il_status=NF_INQ_VARID(il_fileid, 'bt42.cla' , il_varid)
il_status=NF_GET_VARA_DOUBLE (il_fileid, il_varid, (/1,1,1/), &
(/il_im,il_jm,4/), dla_latb(:,:,:))
il_status=NF_CLOSE(il_fileid)
rla_lon(:,:) = dla_lon(:,:)
rla_lat(:,:) = dla_lat(:,:)
rla_lonb(:,:,:) = dla_lonb(:,:,:)
rla_latb(:,:,:) = dla_latb(:,:,:)
call prism_write_grid('bt42', il_im, il_jm, rla_lon, rla_lat)
call prism_write_corner('bt42', il_im, il_jm, 4, rla_lonb, rla_latb)
!
il_status=NF_OPEN('toyatm_mask.nc', NF_NOWRITE, il_fileid)
il_status=NF_INQ_VARID(il_fileid, 'bt42.msk' , il_varid)
il_status=NF_GET_VARA_INT (il_fileid, il_varid, ist, icnt, &
ila_msk(:,:))
il_status=NF_CLOSE(il_fileid)
call prism_write_mask('bt42', il_im, il_jm, ila_msk)
!
il_status=NF_OPEN('toyatm_area.nc', NF_NOWRITE, il_fileid)
il_status=NF_INQ_VARID(il_fileid, 'bt42.srf' , il_varid)
il_status=NF_GET_VARA_DOUBLE (il_fileid, il_varid, ist, icnt, &
dla_srf(:,:))
il_status=NF_CLOSE(il_fileid)
rla_srf(:,:) = dla_srf(:,:)
call prism_write_area('bt42', il_im, il_jm, rla_srf)
!
call prism_terminate_grids_writing()
ENDIF
#endif
ENDIF
IF (il_rank.EQ.0 .OR. ll_comparal) THEN
!
! The following steps need to be done:
! -> by the process if atm is monoprocess;
! -> only by the master process, if atm is parallel and only
! master process is involved in the coupling;
! -> by all processes, if atm is parallel and all processes
! are involved in the coupling.
!
! 5- Define parallel partitions
! (prism_def_partition_proto is called in decomp_def)
! and allocate coupling fields accordingly
!
CALL decomp_def (il_part_id, il_length, il_imjm, &
il_rank, il_nbcplproc, ll_comparal, il_mparout)
ALLOCATE(sst(il_length)) ; sst(:) = 0
ALLOCATE(glace(il_length)) ; glace(:) = 0
ALLOCATE(spec1(il_length)) ; spec1(:) = 0
ALLOCATE(fsol(il_length)) ; fsol(:) = 0
ALLOCATE(fnsol(il_length)) ; fnsol(:) = 0
ALLOCATE(waflx(il_length)) ; waflx(:) = 0
ALLOCATE(runoff(il_length)); runoff(:) = 0
ALLOCATE(taux(il_length)) ; taux(:) = 0
ALLOCATE(tauy(il_length)) ; tauy(:) = 0
ALLOCATE(sens(il_length)) ; sens(:) = 0
!
! 6- PSMILe coupling fields declaration
!
il_var_nodims(1) = 1 ! rank of coupling field
il_var_nodims(2) = 1 ! number of bundles in coupling field (always 1)
il_var_shape(1)= 1 ! min index for the coupling field local dimension
il_var_shape(2)= il_length ! max index for the coupling field local dim
!
! Define name (as in namcouple) and declare each field sent by atm
!
cl_writ(1)='CONSFTOT'
cl_writ(2)='COSHFTOT'
cl_writ(3)='COWATFLU'
cl_writ(4)='CORUNOFF'
cl_writ(5)='COZOTAUX'
cl_writ(6)='COMETAUY'
cl_writ(7)='COSENHFL'
!
DO jf=1, jpfldout
CALL prism_def_var_proto (il_var_id_out(jf),cl_writ(jf), il_part_id, &
il_var_nodims, PRISM_Out, il_var_shape, PRISM_Real, ierror)
END DO
!
! Define name (as in namcouple) and declare each field received by atm
!
cl_read(1)='SISUTESU'
cl_read(2)='SIICECOV'
cl_read(3)='COTHSHSU'
!
DO jf=1, jpfldin
CALL prism_def_var_proto (il_var_id_in(jf), cl_read(jf), il_part_id, &
il_var_nodims, PRISM_In, il_var_shape, PRISM_Real, ierror)
END DO
!
WRITE(il_mparout, *) 'After prism_def_var_proto'
CALL flush(il_mparout)
!
! 7- PSMILe end of declaration phase
!
CALL prism_enddef_proto (ierror)
!
WRITE(il_mparout, *) 'After prism_enddef_proto'
CALL flush(il_mparout)
!
ENDIF
!
! Component model timestepping
!
itap = 0
IF (il_rank.EQ.0 .OR. ll_comparal) THEN
!
DO itap = 1, npas
itap_sec = itimestep*(itap-1) ! Time in sec at beginning of timestep
!
WRITE (il_mparout,*) 'Atm tstep (proc involved in coupling)',itap
CALL flush(il_mparout)
!
! 8- PSMILe prism_get_proto or prism_put_proto at each timestep
!
!!$ DO ji = 1,il_length
!!$ fsol (ji) = sst (ji) + 1
!!$ fnsol (ji) = sst (ji) + 1
!!$ waflx (ji) = sst (ji) + 1
!!$ runoff(ji) = glace (ji) + 1
!!$ taux (ji) = glace (ji) + 1
!!$ tauy (ji) = glace (ji) + 1
!!$ sens (ji) = spec1 (ji) + 1
!!$ END DO
DO ji = 1,il_length
fnsol (ji) = 1.0 + itap
fsol (ji) = 2.0 + itap
waflx (ji) = 3.0 + itap
runoff(ji) = 4.0 + itap
taux (ji) = 5.0 + itap
tauy (ji) = 5.0 + itap
sens (ji) = 7.0 + itap
END DO
! !
! ! Print some values
! !
IF (MOD(itap,il_print).EQ.1) THEN
DO ji = 1,il_length,il_length/10
WRITE (il_mparout,'(i6,3f10.2)') ji, fsol(ji), runoff(ji), sens(ji)
CALL flush(il_mparout)
ENDDO
ENDIF
!
!
IF (itap .EQ. 12) THEN
CALL prism_put_restart_proto(il_var_id_out(1), itap_sec, ierror)
WRITE(il_mparout,*)'After prism_put_restart, return code is: ',&
ierror
CALL flush(il_mparout)
! CALL prism_put_restart_proto(il_var_id_out(2), itap_sec, ierror)
! CALL prism_put_restart_proto(il_var_id_out(3), itap_sec, ierror)
! CALL prism_put_restart_proto(il_var_id_out(4), itap_sec, ierror)
! CALL prism_put_restart_proto(il_var_id_out(5), itap_sec, ierror)
! CALL prism_put_restart_proto(il_var_id_out(6), itap_sec, ierror)
! CALL prism_put_restart_proto(il_var_id_out(7), itap_sec, ierror)
ENDIF
!
CALL prism_get_proto (il_var_id_in(1),itap_sec, sst, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Recvd) THEN
WRITE(il_mparout,FMT=1001)cl_read(1), itap_sec, ierror
CALL flush(il_mparout)
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort3')
ENDIF
WRITE(il_mparout,*) 'After prism_get_proto ', cl_read(1)
CALL flush(il_mparout)
!
CALL prism_get_proto (il_var_id_in(2),itap_sec, glace, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Recvd) THEN
WRITE(il_mparout,FMT=1001)cl_read(2), itap_sec, ierror
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort4')
ENDIF
WRITE(il_mparout,*) 'After prism_get_proto ', cl_read(2)
CALL flush(il_mparout)
!
CALL prism_get_proto (il_var_id_in(3),itap_sec, spec1, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Recvd) THEN
WRITE(il_mparout,FMT=1001)cl_read(3), itap_sec, ierror
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort5')
ENDIF
WRITE(il_mparout,*) 'After prism_get_proto ', cl_read(3)
CALL flush(il_mparout)
!
! NB: For a real model in which only the master process would receive
! the coupling fields, the master process would have to redistribute
! the fields to the other processes. Here we did not code this.
!
CALL prism_put_proto(il_var_id_out(1),itap_sec, fnsol, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Sent) THEN
WRITE(il_mparout,FMT=1002)cl_writ(1), itap_sec, ierror
CALL flush(il_mparout)
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort6')
ENDIF
WRITE(il_mparout,*) 'After prism_put_proto ', cl_writ(1)
CALL flush(il_mparout)
!
CALL prism_put_inquire_proto(il_var_id_out(2), itap_sec, ierror)
CALL prism_put_proto(il_var_id_out(2), itap_sec, fsol, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Sent) THEN
WRITE(il_mparout,FMT=1002)cl_writ(2), itap_sec, ierror
CALL flush(il_mparout)
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort7')
ENDIF
WRITE(il_mparout,*) 'After prism_put_proto ', cl_writ(2)
CALL flush(il_mparout)
!
CALL prism_put_proto(il_var_id_out(3), itap_sec, waflx, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Sent) THEN
WRITE(il_mparout,FMT=1002)cl_writ(3), itap_sec, ierror
CALL flush(il_mparout)
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort8')
ENDIF
WRITE(il_mparout,*) 'After prism_put_proto ', cl_writ(3)
CALL flush(il_mparout)
!
CALL prism_put_proto(il_var_id_out(4), itap_sec, runoff, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Sent) THEN
WRITE(il_mparout,FMT=1002)cl_writ(4), itap_sec, ierror
CALL flush(il_mparout)
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort9')
ENDIF
WRITE(il_mparout,*) 'After prism_put_proto ', cl_writ(4)
CALL flush(il_mparout)
!
CALL prism_put_proto(il_var_id_out(5), itap_sec, taux, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Sent) THEN
WRITE(il_mparout,FMT=1002)cl_writ(5), itap_sec, ierror
CALL flush(il_mparout)
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort10')
ENDIF
WRITE(il_mparout,*) 'After prism_put_proto ', cl_writ(5)
CALL flush(il_mparout)
!
CALL prism_put_proto(il_var_id_out(6), itap_sec, tauy, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Sent) THEN
WRITE(il_mparout,FMT=1002)cl_writ(6), itap_sec, ierror
CALL flush(il_mparout)
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort11')
ENDIF
WRITE(il_mparout,*) 'After prism_put_proto ', cl_writ(6)
CALL flush(il_mparout)
!
CALL prism_put_proto(il_var_id_out(7), itap_sec, sens, ierror)
IF ( ierror .NE. PRISM_Ok .and. ierror .LT. PRISM_Sent) THEN
WRITE(il_mparout,FMT=1002)cl_writ(7), itap_sec, ierror
CALL flush(il_mparout)
CALL prism_abort_proto(il_comp_id, 'atm.F90','abort12')
ENDIF
WRITE(il_mparout,*) 'After prism_put_proto ', cl_writ(7)
CALL flush(il_mparout)
!
END DO
!
DEALLOCATE(sst)
DEALLOCATE(glace)
DEALLOCATE(spec1)
DEALLOCATE(fsol)
DEALLOCATE(fnsol)
DEALLOCATE(waflx)
DEALLOCATE(runoff)
DEALLOCATE(taux)
DEALLOCATE(tauy)
DEALLOCATE(sens)
!
ELSE
WRITE (il_mparout,*) 'Atm tstep (proc not involved in coupling)',itap
CALL flush(il_mparout)
ENDIF
!
! Do not detach from MPI buffer as it is done in prism_terminate_proto
!
DEALLOCATE (rla_bufsend)
!
! 9- PSMILe termination
!
CALL prism_terminate_proto (ierror)
IF (ierror .NE. PRISM_Ok) THEN
WRITE (il_mparout,*) 'An error occured in prism_terminate = ', ierror
ENDIF
!
WRITE (il_mparout,*) 'End of toyatm'
CLOSE(il_mparout)
call MPI_Finalize (ierror)
!
!
1001 FORMAT(/,'Pb in reading ',A8,/,'Time is ',I8,/,'Error code is ',I2)
1002 FORMAT(/,'Pb in writing ',A8,/,'Time is ',I8,/,'Error code is ',I2)
!
END PROGRAM atm
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