source: XIOS/dev/dev_trunk_omp/src/test/test_omp.f90 @ 1679

PROGRAM test_omp

  USE xios
  USE mod_wait
  use omp_lib
  IMPLICIT NONE
  INCLUDE "mpif.h"
  INTEGER :: rank
  INTEGER :: size
  INTEGER :: ierr

  CHARACTER(len=*),PARAMETER :: id="client"
  INTEGER :: comm
  TYPE(xios_duration) :: dtime
  CHARACTER(len=20) :: dtime_str
  TYPE(xios_date) :: date
  CHARACTER(len=20) :: date_str
  CHARACTER(len=15) :: calendar_type
  TYPE(xios_context) :: ctx_hdl
  INTEGER,PARAMETER :: ni_glo=100
  INTEGER,PARAMETER :: nj_glo=100
  INTEGER,PARAMETER :: llm=5
  DOUBLE PRECISION  :: lval(llm)=1, scalar = 5
  TYPE(xios_field) :: field_hdl
  TYPE(xios_fieldgroup) :: fieldgroup_hdl
  TYPE(xios_file) :: file_hdl
  LOGICAL :: ok

  DOUBLE PRECISION,DIMENSION(ni_glo,nj_glo) :: lon_glo,lat_glo
  DOUBLE PRECISION :: field_A_glo(ni_glo,nj_glo,llm)
  DOUBLE PRECISION,ALLOCATABLE :: lon(:,:),lat(:,:),field_A(:,:,:), lonvalue(:,:), axisValue(:), field_domain(:,:)
  INTEGER :: ni,ibegin,iend,nj,jbegin,jend
  INTEGER :: i,j,l,ts,n, provided

  integer :: num_args, ix, nb_servers
  character(len=12), dimension(:), allocatable :: args

  num_args = command_argument_count()
  if(num_args<1) then
    print*, "please give the number of servers as input argument."
    call abort
  endif

  allocate(args(num_args))  ! I've omitted checking the return status of the allocation 

  do ix = 1, num_args
    call get_command_argument(ix,args(ix))
    ! now parse the argument as you wish
  end do

  READ(args(1),*) nb_servers

!!! MPI Initialization   

    CALL MPI_INIT_THREAD(3, provided, ierr)
    if(provided .NE. 3) then
      print*, "provided thread level = ", provided
      call MPI_Abort()
    endif

    CALL init_wait

    CALL MPI_COMM_RANK(MPI_COMM_WORLD,rank,ierr)
    CALL MPI_COMM_SIZE(MPI_COMM_WORLD,size,ierr)
    if(rank < size-nb_servers) then

    !$omp parallel default(firstprivate)
  
    CALL xios_initialize(id,return_comm=comm)
  
    CALL MPI_COMM_RANK(comm,rank,ierr)
    CALL MPI_COMM_SIZE(comm,size,ierr)

    size = size*omp_get_num_threads()
    rank = rank*omp_get_num_threads() + omp_get_thread_num()

    DO j=1,nj_glo
      DO i=1,ni_glo
        lon_glo(i,j)=(i-1)+(j-1)*ni_glo
        lat_glo(i,j)=1000+(i-1)+(j-1)*ni_glo
        DO l=1,llm
          field_A_glo(i,j,l)=(i-1)+(j-1)*ni_glo*100+10000*l
        ENDDO
      ENDDO
    ENDDO
    ni=ni_glo ; ibegin=0

    jbegin=0
    DO n=0,size-1
      nj=nj_glo/size
      IF (n<MOD(nj_glo,size)) nj=nj+1
      IF (n==rank) exit
      jbegin=jbegin+nj
    ENDDO

    iend=ibegin+ni-1 ; jend=jbegin+nj-1

    !ALLOCATE(lon(ni,nj),lat(ni,nj),field_A(0:ni+1,-1:nj+2,llm),lonvalue(ni,nj))
    !lon(:,:)=lon_glo(ibegin+1:iend+1,jbegin+1:jend+1)
    !lat(:,:)=lat_glo(ibegin+1:iend+1,jbegin+1:jend+1)
    !field_A(1:ni,1:nj,:)=field_A_glo(ibegin+1:iend+1,jbegin+1:jend+1,:)
    
    ALLOCATE(lon(ni,nj),lat(ni,nj),field_A(0:ni+1,-1:nj+2,llm),lonvalue(ni,nj), axisValue(nj_glo), field_domain(0:ni+1,-1:nj+2))
    lon(:,:)=lon_glo(ibegin+1:iend+1,jbegin+1:jend+1)
    lat(:,:)=lat_glo(ibegin+1:iend+1,jbegin+1:jend+1)
    field_A(1:ni,1:nj,:)=field_A_glo(ibegin+1:iend+1,jbegin+1:jend+1,:)
    field_domain(1:ni,1:nj) = field_A_glo(ibegin+1:iend+1,jbegin+1:jend+1,1)
    axisValue(1:nj_glo)=field_A_glo(1,1:nj_glo,1);
  


    CALL xios_context_initialize("test",comm)
    CALL xios_get_handle("test",ctx_hdl)
    CALL xios_set_current_context(ctx_hdl)
  
    CALL xios_get_calendar_type(calendar_type)
    PRINT *, "calendar_type = ", calendar_type

    CALL xios_set_axis_attr("axis_A",n_glo=llm ,value=lval) ;
    CALL xios_set_domain_attr("domain_A",ni_glo=ni_glo, nj_glo=nj_glo, ibegin=ibegin, ni=ni,jbegin=jbegin,nj=nj,type='curvilinear')
    CALL xios_set_domain_attr("domain_A",data_dim=2, data_ibegin=-1, data_ni=ni+2, data_jbegin=-2, data_nj=nj+4)
    CALL xios_set_domain_attr("domain_A",lonvalue_2D=lon,latvalue_2D=lat)
    CALL xios_set_fieldgroup_attr("field_definition",enabled=.TRUE.)
    !print*, "test block OK", rank, size

    !CALL xios_get_handle("field_definition",fieldgroup_hdl)
    !CALL xios_add_child(fieldgroup_hdl,field_hdl,"field_B")
    !CALL xios_set_attr(field_hdl,field_ref="field_A",name="field_B")

    !CALL xios_get_handle("output",file_hdl)
    !CALL xios_add_child(file_hdl,field_hdl)
    !CALL xios_set_attr(field_hdl,field_ref="field_A_zoom",name="field_C")

    dtime%second = 3600
    CALL xios_set_timestep(dtime)
    !print*, "xios_set_timestep OK", rank, size    

   ! The calendar is created as soon as the calendar type is defined. This way
   ! calendar operations can be used before the context definition is closed
   CALL xios_get_time_origin(date)
   PRINT *, "--> year length = ", xios_get_year_length_in_seconds(date%year)
   PRINT *, "--> day length = ", xios_get_day_length_in_seconds()
   CALL xios_date_convert_to_string(date, date_str)
   PRINT *, "time_origin = ", date_str
   PRINT *, "xios_date_get_second_of_year(time_origin) = ", xios_date_get_second_of_year(date)
   PRINT *, "xios_date_get_day_of_year(time_origin) = ", xios_date_get_day_of_year(date)
   PRINT *, "xios_date_get_fraction_of_year(time_origin) = ", xios_date_get_fraction_of_year(date)
   PRINT *, "xios_date_get_second_of_day(time_origin) = ", xios_date_get_second_of_day(date)
   PRINT *, "xios_date_get_fraction_of_day(time_origin) = ", xios_date_get_fraction_of_day(date)
   dtime%timestep = 1
   dtime = 0.5 * dtime
   CALL xios_duration_convert_to_string(dtime, dtime_str)
   PRINT *, "duration = ", dtime_str
   date = date + 3 * (dtime + dtime)
   CALL xios_date_convert_to_string(date, date_str)
   PRINT *, "date = time_origin + 3 * (duration + duration) = ", date_str
   PRINT *, "xios_date_convert_to_seconds(date) = ", xios_date_convert_to_seconds(date)
   PRINT *, "xios_date_convert_to_seconds(date - 2.5h) = ", xios_date_convert_to_seconds(date - 2.5 * xios_hour)

   ni=0 ; lonvalue(:,:)=0;
   CALL xios_get_domain_attr("domain_A",ni=ni,lonvalue_2D=lonvalue)
   !print *,"ni",ni
   !print *,"lonvalue",lonvalue;

   CALL xios_is_defined_field_attr("field_A",enabled=ok)
   PRINT *,"field_A : attribute enabled is defined ? ",ok 
   CALL xios_close_context_definition()

   PRINT*,"field field_A is active ? ",xios_field_is_active("field_A")

   DO ts=1,4
    CALL xios_update_calendar(ts)
    CALL xios_send_field("field_A",field_A)
    CALL xios_send_field("field_B",field_A)
    CALL xios_send_field("field_C",field_A)
    !CALL xios_send_field("field_Axis",axisValue)
    ! CALL xios_send_field("field_Axis",lval)
    !CALL xios_send_field("field_Domain",field_domain)
    !CALL xios_send_field("field_Scalar",scalar)
    CALL wait_us(5000)
   ENDDO

    CALL xios_context_finalize()
    !print*, "xios_context_finalize OK", rank, size

    CALL xios_finalize()
    print*, "xios finalize OK", rank, size

    DEALLOCATE(lon, lat, field_A, lonvalue, axisValue, field_domain)
    !$omp master 
    !call MPI_Barrier(comm)
    CALL MPI_COMM_FREE(comm, ierr)
    !$omp end master

    !$omp barrier



  !$omp end parallel


    else

    CALL xios_init_server
    print *, "Server : xios_finalize ", rank
  
    endif
    

  CALL MPI_FINALIZE(ierr)

END PROGRAM test_omp