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mpi_module.f90
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mpi_module.f90
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!>@author
!>Paul Connolly, The University of Manchester
!>@brief
!>mpi routines for dynamical cloud model
!> note: should be able to get significant speed up by using irecv, isend and waits
!> need to pre-allocate correct buffer sizes for this though
!> could probably also do away with the if statements - call isend and irecv anyway
!> - even if an mpi call is not required
module mpi_module
use numerics_type
use mpi
implicit none
!>@brief
!>variables for mpi
#if VAR_TYPE==0
integer(i4b), parameter :: MPIREAL=MPI_REAL4
#endif
#if VAR_TYPE==1
integer(i4b), parameter :: MPIREAL=MPI_REAL8
#endif
type mpi_faces
integer(i4b) :: s_west, r_west
integer(i4b) :: s_east, r_east
integer(i4b) :: s_south, r_south
integer(i4b) :: s_north, r_north
integer(i4b) :: s_bottom, r_bottom
integer(i4b) :: s_top, r_top
end type mpi_faces
type mpi_faces_v
integer(i4b) :: s_bottom, r_bottom
integer(i4b) :: s_top, r_top
integer(i4b) :: id
end type mpi_faces_v
type mpi_edges
integer(i4b) :: s_ws_bt, s_wn_bt, s_es_bt, s_en_bt, s_bs_we, &
s_bn_we, s_ts_we, s_tn_we, s_bw_sn, s_be_sn, s_tw_sn, s_te_sn
integer(i4b) :: r_ws_bt, r_wn_bt, r_es_bt, r_en_bt, r_bs_we, &
r_bn_we, r_ts_we, r_tn_we, r_bw_sn, r_be_sn, r_tw_sn, r_te_sn
end type mpi_edges
type mpi_corners
integer(i4b) :: s_wsb, s_esb, s_wnb, s_enb, s_wst, s_est, s_wnt, s_ent
integer(i4b) :: r_wsb, r_esb, r_wnb, r_enb, r_wst, r_est, r_wnt, r_ent
end type mpi_corners
type mpi_vars
integer(i4b) :: rank, id, error, dx, dy, dz
real(wp) :: wtime
logical, dimension(3) :: periods
logical :: reorder=.true.
integer(i4b) :: ndim=3
integer(i4b), dimension(3) :: dims, coords
logical, dimension(3) :: remain_dims=[.false.,.false.,.true.]
logical, dimension(3) :: remain_dims_horiz=[.true.,.true.,.false.]
integer(i4b) :: colour,height
integer(i4b) :: ring_comm
integer(i4b) :: sub_comm
integer(i4b) :: sub_horiz_comm
type(mpi_faces) :: face
type(mpi_faces_v) :: face_v
type(mpi_edges) :: edge
type(mpi_corners) :: cnr
end type mpi_vars
! declare an mpi type
type(mpi_vars) :: mp1
integer(i4b) :: world_process=0
integer(i4b) :: MPI_INTEGER9
private
public :: mpi_define, block_ring, exchange_full, mpi_integer9, mp1, world_process, &
mpi_cart_initialise, exchange_along_dim, find_base_top, find_top, &
exchange_d_fluxes, exchange_u_fluxes, exchange_along_z, &
exchange_full_wo, exchange_along_dim_wo
contains
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! define some types !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[inout] MPI_INTEGER9_DEF - type to be defined as integer kind=9
subroutine mpi_define(MPI_INTEGER9_DEF)
implicit none
integer(i4b), intent(inout) :: MPI_INTEGER9_DEF
integer(i4b) :: error
call MPI_TYPE_CREATE_F90_INTEGER (9, MPI_INTEGER9_DEF, error)
end subroutine mpi_define
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! initialise some variables for swapping faces, edges, and corners !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[in] ip, jp, kp
subroutine mpi_cart_initialise(kp,jp,ip)
use numerics_type
implicit none
integer(i4b), intent(in) :: ip, jp, kp
integer(i4b) :: error, dummy
integer(i4b), dimension(3) :: coords_t
! define an integer:
call mpi_define(MPI_INTEGER9)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Set-up the Cartesian topology !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! note the min is so that there is not more than 1 proc per grid point
! mp1%dx=min( floor( (real(mp1%rank,wp))**(1._wp/3._wp) ) , ip)
! mp1%dy=min( floor( &
! (real(mp1%rank,wp)/real(mp1%dx,wp))**(1._wp/2._wp) ) , jp)
! mp1%dz=min( floor( real(mp1%rank,wp) / real(mp1%dx*mp1%dy,wp) ), kp )
mp1%dz=1
mp1%dx=min( floor( (real(mp1%rank,wp))**(1._wp/2._wp) ) , ip)
mp1%dy=min( floor( real(mp1%rank,wp) / real(mp1%dx*mp1%dz,wp) ), jp )
if(mp1%id == world_process) then
print *,'Cartesian topology: ',mp1%dx, mp1%dy, mp1%dz
if ( mp1%dx * mp1%dy * mp1%dz < mp1%rank) &
print *, 'warning wasted processors'
endif
mp1%periods=[.true.,.true.,.false.]
mp1%dims=[mp1%dx,mp1%dy,mp1%dz]
! cart topo:
call MPI_CART_CREATE( MPI_COMM_WORLD, mp1%ndim, mp1%dims, &
mp1%periods, mp1%reorder,mp1%ring_comm, mp1%error )
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Find ids for sending and receiving 6 faces !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if(mp1%id >= mp1%dx * mp1%dy * mp1%dz) then
return
endif
call MPI_CART_SHIFT( mp1%ring_comm, 0, 1, &
mp1%face%s_west, mp1%face%s_east, error)
call MPI_CART_SHIFT( mp1%ring_comm, 1, 1, &
mp1%face%s_south, mp1%face%s_north, error)
call MPI_CART_SHIFT( mp1%ring_comm, 2, 1, &
mp1%face%s_bottom, mp1%face%s_top, error)
mp1%face%r_east = mp1%face%s_west
mp1%face%r_west = mp1%face%s_east
mp1%face%r_north = mp1%face%s_south
mp1%face%r_south = mp1%face%s_north
mp1%face%r_top = mp1%face%s_bottom
mp1%face%r_bottom= mp1%face%s_top
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Find ids for sending and receiving 12 edges !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! coordinates of this PE:
call MPI_CART_COORDS(mp1%ring_comm, mp1%id, 3, mp1%coords, error)
mp1%colour=(mp1%coords(1)+1)*(mp1%dims(1))+(mp1%coords(2)+1)
mp1%height=mp1%coords(3)
call mpi_find_rank(mp1%coords,mp1%dims,-1,-1,0,mp1%edge%s_ws_bt,mp1%edge%r_en_bt)
call mpi_find_rank(mp1%coords,mp1%dims,-1,+1,0, mp1%edge%s_wn_bt,mp1%edge%r_es_bt)
call mpi_find_rank(mp1%coords,mp1%dims,+1,-1,0, mp1%edge%s_es_bt,mp1%edge%r_wn_bt)
call mpi_find_rank(mp1%coords,mp1%dims,+1,+1,0, mp1%edge%s_en_bt,mp1%edge%r_ws_bt)
call mpi_find_rank(mp1%coords,mp1%dims,0,-1,-1, mp1%edge%s_bs_we,mp1%edge%r_tn_we)
call mpi_find_rank(mp1%coords,mp1%dims,0,+1,-1, mp1%edge%s_bn_we,mp1%edge%r_ts_we)
call mpi_find_rank(mp1%coords,mp1%dims,0,-1,+1, mp1%edge%s_ts_we,mp1%edge%r_bn_we)
call mpi_find_rank(mp1%coords,mp1%dims,0,+1,+1, mp1%edge%s_tn_we,mp1%edge%r_bs_we)
call mpi_find_rank(mp1%coords,mp1%dims,-1,0,-1,mp1%edge%s_bw_sn,mp1%edge%r_te_sn)
call mpi_find_rank(mp1%coords,mp1%dims,+1,0,-1,mp1%edge%s_be_sn,mp1%edge%r_tw_sn)
call mpi_find_rank(mp1%coords,mp1%dims,-1,0,+1,mp1%edge%s_tw_sn,mp1%edge%r_be_sn)
call mpi_find_rank(mp1%coords,mp1%dims,+1,0,+1,mp1%edge%s_te_sn,mp1%edge%r_bw_sn)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Find ids for sending and receiving 8 corners !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
call mpi_find_rank(mp1%coords,mp1%dims,-1,-1,-1, mp1%cnr%s_wsb,mp1%cnr%r_ent)
call mpi_find_rank(mp1%coords,mp1%dims,+1,-1,-1, mp1%cnr%s_esb,mp1%cnr%r_wnt)
call mpi_find_rank(mp1%coords,mp1%dims,-1,+1,-1, mp1%cnr%s_wnb,mp1%cnr%r_est)
call mpi_find_rank(mp1%coords,mp1%dims,+1,+1,-1, mp1%cnr%s_enb,mp1%cnr%r_wst)
call mpi_find_rank(mp1%coords,mp1%dims,-1,-1,+1, mp1%cnr%s_wst,mp1%cnr%r_enb)
call mpi_find_rank(mp1%coords,mp1%dims,+1,-1,+1, mp1%cnr%s_est,mp1%cnr%r_wnb)
call mpi_find_rank(mp1%coords,mp1%dims,-1,+1,+1, mp1%cnr%s_wnt,mp1%cnr%r_esb)
call mpi_find_rank(mp1%coords,mp1%dims,+1,+1,+1, mp1%cnr%s_ent,mp1%cnr%r_wsb)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! create sub communicator for vertical comms !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if(mp1%id < mp1%dx * mp1%dy * mp1%dz) then
call MPI_Cart_sub(mp1%ring_comm,mp1%remain_dims,&
mp1%sub_comm,mp1%error)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Find ids for sending and receiving 6 faces !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
call MPI_CART_SHIFT( mp1%sub_comm, 0, 0, &
mp1%face_v%id, dummy, error)
call MPI_CART_SHIFT( mp1%sub_comm, 0, 1, &
mp1%face_v%s_bottom, mp1%face_v%s_top, error)
mp1%face_v%id=mp1%id
mp1%face_v%r_top = mp1%face_v%s_bottom
mp1%face_v%r_bottom= mp1%face_v%s_top
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! create sub communicator for horizontal comms !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if(mp1%id < mp1%dx * mp1%dy * mp1%dz) then
call MPI_Cart_sub(mp1%ring_comm,mp1%remain_dims_horiz,&
mp1%sub_horiz_comm,mp1%error)
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
contains
subroutine mpi_find_rank(coords,dims,we,sn,du,send,recv)
implicit none
integer(i4b), dimension(3), intent(in) :: coords, dims
integer(i4b), intent(in) :: we,sn,du
integer(i4b), intent(inout) :: send,recv
! locals:
integer(i4b), dimension(3) :: coords_t
integer(i4b) :: i
coords_t(1)=mp1%coords(1)+we
coords_t(2)=mp1%coords(2)+sn
coords_t(3)=mp1%coords(3)+du
do i=1,3
if (mp1%periods(i)) then
if(coords_t(i) > (mp1%dims(i)-1) ) then
coords_t(i)=0
else if(coords_t(i) < 0 ) then
coords_t(i)=mp1%dims(i)-1
endif
else
if(coords_t(i) > (mp1%dims(i)-1) ) then
coords_t(i)=-1
else if(coords_t(i) < 0 ) then
coords_t(i)=-1
endif
endif
enddo
if( any(coords_t .eq. -1) ) then
recv=-1
send=-1
else
! get the rank of this coordinate
call MPI_CART_RANK( mp1%ring_comm, coords_t, send,error)
recv=send
endif
end subroutine mpi_find_rank
end subroutine mpi_cart_initialise
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! find base and top of array using bcast !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[in] comm3d, id, kpp, d_h, u_h, array, dims, coords
!>@param[inout] base, top
subroutine find_base_top(comm3d, id, kpp,d_h,u_h,array,base,top, dims,coords)
implicit none
integer(i4b), intent(in) :: comm3d, id, kpp, d_h,u_h
real(wp), intent(in), dimension(1-d_h:u_h+kpp) :: array
real(wp), intent(inout) :: base, top
integer(i4b), dimension(3), intent(in) :: dims,coords
! locals:
integer(i4b), dimension(12) :: request
integer(i4b), dimension(MPI_STATUS_SIZE, 12) :: status
integer(i4b) :: error, tag1,num_messages,imess, tag2, root, rankl,ranku
call MPI_CART_RANK( comm3d, [0,0,0], rankl,error)
call MPI_CART_RANK( comm3d, [0,0,dims(3)-1], ranku,error)
base=array(0)
call MPI_Bcast(base,1,MPIREAL,rankl,comm3d,error)
top=array(kpp+1)
call MPI_Bcast(top,1,MPIREAL,ranku,comm3d,error)
end subroutine find_base_top
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! find base and top of array using bcast !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[in] comm3d, id, kpp, d_h, u_h, array, dims, coords
!>@param[inout] top
subroutine find_top(comm3d, id, kpp,d_h,u_h,array,top, dims,coords)
implicit none
integer(i4b), intent(in) :: comm3d, id, kpp, d_h,u_h
real(wp), intent(in), dimension(1-d_h:u_h+kpp) :: array
real(wp), intent(inout) :: top
integer(i4b), dimension(3), intent(in) :: dims,coords
! locals:
integer(i4b), dimension(12) :: request
integer(i4b), dimension(MPI_STATUS_SIZE, 12) :: status
integer(i4b) :: error, tag1,num_messages,imess, tag2, root, rankl,ranku
call MPI_CART_RANK( comm3d, [0,0,dims(3)-1], ranku,error)
top=array(kpp)
call MPI_Bcast(top,1,MPIREAL,ranku,comm3d,error)
end subroutine find_top
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! exchange along dim for a variable using Cartesian topology !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[in] comm3d, id, ipp, jpp, kpp, nbands,w_h,e_h,s_h,n_h,d_h,u_h
!>@param[inout] array: the array to exchange_halos on
!>@param[in] lbc, ubc, dims,coords
subroutine exchange_d_fluxes(comm3d, id, kpp, jpp, ipp, nbands,&
d_h,u_h,s_h,n_h,w_h, e_h, array, dims,coords)
implicit none
integer(i4b), intent(in) :: comm3d, id, ipp, jpp, kpp, nbands,&
w_h, e_h, s_h,n_h,d_h,u_h
real(wp), intent(inout), &
dimension(1-d_h:u_h+kpp,1-s_h:n_h+jpp,1-w_h:e_h+ipp,nbands) :: &
array
integer(i4b), dimension(3), intent(in) :: dims,coords
! locals:
integer(i4b), dimension(12) :: request
integer(i4b), dimension(MPI_STATUS_SIZE, 12) :: status
integer(i4b) :: error, tag1,num_messages,imess, tag2
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! message passing for adjacent cells in up / down direction !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tag1=11
! send to the bottom:
call MPI_Issend(array(0:1,1:jpp,1:ipp,1:nbands), &
(ipp*jpp*nbands)*(u_h+1), MPIREAL, mp1%face%s_bottom, &
tag1, comm3d, request(1),error)
! receive from the bottom of upper cell:
call MPI_Recv(array(kpp:kpp+1,1:jpp,1:ipp,1:nbands), &
(ipp*jpp*nbands)*(u_h+1), MPIREAL, mp1%face%r_bottom, &
tag1, comm3d, status(:,1),error)
! call MPI_Wait(request(1), status(:,1), error)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! message passing for adjacent cells in up / down direction !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tag1=12
! send to the top:
call MPI_Issend(array(kpp,1:jpp,1:ipp,1:nbands), &
(ipp*jpp*nbands)*(u_h), MPIREAL, mp1%face%s_top, &
tag1, comm3d, request(2),error)
! receive from the bottom of upper cell:
call MPI_Recv(array(0,1:jpp,1:ipp,1:nbands), &
(ipp*jpp*nbands)*(u_h), MPIREAL, mp1%face%r_top, &
tag1, comm3d, status(:,2),error)
call MPI_Wait(request(1), status(:,1), error)
call MPI_Wait(request(2), status(:,2), error)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
end subroutine exchange_d_fluxes
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! exchange along dim for a variable using Cartesian topology !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[in] comm3d, id, ipp, jpp, kpp, nbands,w_h,e_h,s_h,n_h,d_h,u_h
!>@param[inout] array: the array to exchange_halos on
!>@param[in] lbc, ubc, dims,coords
subroutine exchange_u_fluxes(comm3d, id, kpp, jpp, ipp, nbands,&
d_h,u_h,s_h,n_h,w_h, e_h, array, dims,coords)
implicit none
integer(i4b), intent(in) :: comm3d, id, ipp, jpp, kpp, nbands,&
w_h, e_h, s_h,n_h,d_h,u_h
real(wp), intent(inout), &
dimension(1-d_h:u_h+kpp,1-s_h:n_h+jpp,1-w_h:e_h+ipp,nbands) :: &
array
integer(i4b), dimension(3), intent(in) :: dims,coords
! locals:
integer(i4b), dimension(12) :: request
integer(i4b), dimension(MPI_STATUS_SIZE, 12) :: status
integer(i4b) :: error, tag1,num_messages,imess, tag2
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! message passing for adjacent cells in up / down direction !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tag1=11
! send to the bottom:
call MPI_Issend(array(1,1:jpp,1:ipp,1:nbands), &
(ipp*jpp*nbands)*(u_h), MPIREAL, mp1%face%s_bottom, &
tag1, comm3d, request(1),error)
! receive from the bottom of upper cell:
call MPI_Recv(array(kpp+1,1:jpp,1:ipp,1:nbands), &
(ipp*jpp*nbands)*(u_h+1), MPIREAL, mp1%face%r_bottom, &
tag1, comm3d, status(:,1),error)
! call MPI_Wait(request(1), status(:,1), error)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! message passing for adjacent cells in up / down direction !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tag1=12
! send to the top:
call MPI_Issend(array(kpp,1:jpp,1:ipp,1:nbands), &
(ipp*jpp*nbands)*(u_h), MPIREAL, mp1%face%s_top, &
tag1, comm3d, request(2),error)
! receive from the bottom of upper cell:
call MPI_Recv(array(0,1:jpp,1:ipp,1:nbands), &
(ipp*jpp*nbands)*(u_h), MPIREAL, mp1%face%r_top, &
tag1, comm3d, status(:,2),error)
call MPI_Wait(request(1), status(:,1), error)
call MPI_Wait(request(2), status(:,2), error)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
end subroutine exchange_u_fluxes
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! subroutine exchange_fluxes(comm3d, id, kpp, jpp, ipp, nbands,&
! d_h,u_h,s_h,n_h,w_h, e_h, array, dims,coords)
! implicit none
!
! integer(i4b), intent(in) :: comm3d, id, ipp, jpp, kpp, nbands,&
! w_h, e_h, s_h,n_h,d_h,u_h
! real(wp), intent(inout), &
! dimension(1-d_h:u_h+kpp,1-s_h:n_h+jpp,1-w_h:e_h+ipp,nbands) :: &
! array
! integer(i4b), dimension(3), intent(in) :: dims,coords
!
! ! locals:
! integer(i4b), dimension(2) :: request
! integer(i4b), dimension(MPI_STATUS_SIZE, 2) :: status
! integer(i4b) :: error, tag1,num_messages,imess, tag2
!
! ! buffers for receiving data
! integer(i4b) :: count
! real(wp), dimension(jpp,ipp,nbands) :: top_buf
!
!
!
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! ! message passing for adjacent cells in up / down direction !
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! tag1=11
! count=0
! ! send to the bottom:
! if(mp1%face%s_bottom /= id) then
! count=count+1
! call MPI_Isend(array(0,1:jpp,1:ipp,1:nbands), &
! (ipp*jpp*nbands)*u_h, MPIREAL, mp1%face%s_bottom, &
! tag1, comm3d, request(count),error)
! endif
!
! ! receive from the bottom of upper cell:
! if(mp1%face%r_bottom /= id) then
! count=count+1
! call MPI_IRecv(top_buf, &
! (ipp*jpp*nbands)*u_h, MPIREAL, mp1%face%r_bottom, &
! tag1, comm3d, request(count),error)
! endif
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
!
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! ! wait for all messages to return before writing buffers !
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! call MPI_Waitall(count,request(1:count), status(:,1:count), error)
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
!
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! ! write buffers !
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! if(mp1%face%s_top /= -1) then
! array(kpp,1:jpp,1:ipp,1:nbands)=top_buf
! endif
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
!
!
!
! end subroutine exchange_fluxes
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! exchange along z dim for a variable using Cartesian topology !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[in] comm3d, id, ipp, jpp, kpp, w_h,e_h,s_h,n_h,d_h,u_h
!>@param[inout] array: the array to exchange_halos on
!>@param[in] lbc, ubc, dims,coords
subroutine exchange_along_z(comm3d, id, kpp, jpp, ipp, &
d_h,u_h,s_h,n_h,w_h, e_h, array, lbc, ubc, dims,coords)
implicit none
integer(i4b), intent(in) :: comm3d, id, ipp, jpp, kpp, w_h, e_h, s_h,n_h,d_h,u_h
real(wp), intent(inout), &
dimension(1-d_h:u_h+kpp,1-s_h:n_h+jpp,1-w_h:e_h+ipp) :: &
array
real(wp), intent(in) :: lbc, ubc
integer(i4b), dimension(3), intent(in) :: dims,coords
! locals:
integer(i4b), dimension(4) :: request
integer(i4b), dimension(MPI_STATUS_SIZE, 4) :: status
integer(i4b) :: error, tag1,num_messages,imess, tag2
! buffers for receiving data
integer(i4b) :: count
real(wp), dimension(jpp,ipp) :: top_buf, bot_buf
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! message passing for adjacent cells in up / down direction !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tag1=10
count=0
! receive from the top of the lower cell:
if(mp1%face%r_top /= mp1%face_v%id) then
count=count+1
call MPI_IRecv(bot_buf, &!array(1-d_h:0,1:jpp,1:ipp), &
(ipp*jpp)*d_h, MPIREAL, mp1%face_v%r_top, &
tag1, comm3d, request(count),error)
endif
tag1=11
! receive from the bottom of upper cell:
if(mp1%face%r_bottom /= mp1%face_v%id) then
count=count+1
call MPI_IRecv(top_buf, & !array(kpp+1:kpp+u_h,1:jpp,1:ipp), &
(ipp*jpp)*u_h, MPIREAL, mp1%face_v%r_bottom, &
tag1, comm3d, request(count),error)
endif
tag1=10
! send to the top:
if(mp1%face%s_top /= mp1%face_v%id) then
count=count+1
call MPI_Isend(array(kpp+1-d_h:kpp,1:jpp,1:ipp), &
(ipp*jpp)*d_h, MPIREAL, mp1%face_v%s_top, &
tag1, comm3d, request(count),error)
endif
tag1=11
! send to the bottom:
if(mp1%face%s_bottom /= mp1%face_v%id) then
count=count+1
call MPI_Isend(array(1:u_h,1:jpp,1:ipp), &
(ipp*jpp)*u_h, MPIREAL, mp1%face_v%s_bottom, &
tag1, comm3d, request(count),error)
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! case where only 1 pe in x or y directions !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if ( mp1%face_v%s_top == -1) then
! adjacent cells:
array(kpp+1:kpp+u_h,1-s_h:jpp+n_h,1-w_h:ipp+e_h)=ubc
! corner cells - not relevant, because below surface and above lid
endif
if ( mp1%face_v%s_bottom == -1) then
! adjacent cells:
array(1-d_h:0,1-s_h:jpp+n_h,1-w_h:ipp+e_h)=lbc
! corner cells - not relevant, because below surface and above lid
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! wait for all messages to return before writing buffers !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
call MPI_Waitall(count,request(1:count), status(:,1:count), error)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! write buffers !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if(mp1%face_v%s_bottom /= -1) then
array(0,1:jpp,1:ipp)=bot_buf
endif
if(mp1%face_v%s_top /= -1) then
array(kpp+1,1:jpp,1:ipp)=top_buf
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
end subroutine exchange_along_z
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! exchange along dim for a variable using Cartesian topology !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[in] comm3d, id, ipp, jpp, kpp, w_h,e_h,s_h,n_h,d_h,u_h
!>@param[inout] array: the array to exchange_halos on
!>@param[in] lbc, ubc, dims,coords
subroutine exchange_along_dim(comm3d, id, kpp, jpp, ipp, &
d_h,u_h,s_h,n_h,w_h, e_h, array, lbc, ubc, dims,coords)
implicit none
integer(i4b), intent(in) :: comm3d, id, ipp, jpp, kpp, w_h, e_h, s_h,n_h,d_h,u_h
real(wp), intent(inout), &
dimension(1-d_h:u_h+kpp,1-s_h:n_h+jpp,1-w_h:e_h+ipp) :: &
array
real(wp), intent(in) :: lbc, ubc
integer(i4b), dimension(3), intent(in) :: dims,coords
! locals:
integer(i4b), dimension(12) :: request
integer(i4b), dimension(MPI_STATUS_SIZE, 12) :: status
integer(i4b) :: error, tag1,num_messages,imess, tag2
! buffers for receiving data
integer(i4b) :: count
real(wp), dimension(jpp,ipp) :: top_buf, bot_buf
real(wp), dimension(kpp,jpp) :: east_buf,west_buf
real(wp), dimension(kpp,ipp) :: south_buf,north_buf
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! message passing for adjacent cells in up / down direction !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tag1=10
count=0
! receive from the top of the lower cell:
if(mp1%face%r_top /= id) then
count=count+1
call MPI_IRecv(bot_buf, &!array(1-d_h:0,1:jpp,1:ipp), &
(ipp*jpp)*d_h, MPIREAL, mp1%face%r_top, &
tag1, comm3d, request(count),error)
endif
tag1=11
! receive from the bottom of upper cell:
if(mp1%face%r_bottom /= id) then
count=count+1
call MPI_IRecv(top_buf, & !array(kpp+1:kpp+u_h,1:jpp,1:ipp), &
(ipp*jpp)*u_h, MPIREAL, mp1%face%r_bottom, &
tag1, comm3d, request(count),error)
endif
tag1=10
! send to the top:
if(mp1%face%s_top /= id) then
count=count+1
call MPI_Isend(array(kpp+1-d_h:kpp,1:jpp,1:ipp), &
(ipp*jpp)*d_h, MPIREAL, mp1%face%s_top, &
tag1, comm3d, request(count),error)
endif
tag1=11
! send to the bottom:
if(mp1%face%s_bottom /= id) then
count=count+1
call MPI_Isend(array(1:u_h,1:jpp,1:ipp), &
(ipp*jpp)*u_h, MPIREAL, mp1%face%s_bottom, &
tag1, comm3d, request(count),error)
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! message passing for adjacent cells in east / west direction !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tag1=12
! receive from the east of the west cell:
if( mp1%face%r_east /= id ) then
count=count+1
call MPI_IRecv(west_buf, & !array(1:kpp,1:jpp,1-w_h:0), &
(jpp*kpp)*w_h, MPIREAL, mp1%face%r_east, &
tag1, comm3d, request(count),error)
endif
tag1=13
! receive from the west of east cell:
if( mp1%face%r_west /= id ) then
count=count+1
call MPI_IRecv(east_buf, & !array(1:kpp,1:jpp,ipp+1:ipp+e_h), &
(jpp*kpp)*e_h, MPIREAL, mp1%face%r_west, &
tag1, comm3d, request(count),error)
endif
tag1=12
! send to the east:
if ( mp1%face%s_east /= id ) then
count=count+1
call MPI_Isend(array(1:kpp,1:jpp,ipp+1-w_h:ipp), &
(jpp*kpp)*w_h, MPIREAL, mp1%face%s_east, &
tag1, comm3d, request(count),error)
endif
tag1=13
! send to the west:
if ( mp1%face%s_west /= id ) then
count=count+1
call MPI_Isend(array(1:kpp,1:jpp,1:e_h), &
(jpp*kpp)*e_h, MPIREAL, mp1%face%s_west, &
tag1, comm3d, request(count),error)
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! message passing for adjacent cells in north / south direction !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
tag1=14
! receive from north of south cell:
if( mp1%face%r_north /= id ) then
count=count+1
call MPI_IRecv(south_buf, &!array(1:kpp,1-s_h:0,1:ipp), &
(ipp*kpp)*s_h, MPIREAL, mp1%face%r_north, &
tag1, comm3d, request(count),error)
endif
tag1=15
! receive from south of north cell:
if( mp1%face%r_south /= id ) then
count=count+1
call MPI_IRecv(north_buf, &!array(1:kpp,jpp+1:jpp+n_h,1:ipp), &
(ipp*kpp)*n_h, MPIREAL, mp1%face%r_south, &
tag1, comm3d, request(count),error)
endif
tag1=14
! send to the north:
if ( mp1%face%s_north /= id ) then
count=count+1
call MPI_Isend(array(1:kpp,jpp+1-s_h:jpp,1:ipp), &
(ipp*kpp)*s_h, MPIREAL, mp1%face%s_north, &
tag1, comm3d, request(count),error)
endif
tag1=15
! send to the south:
if ( mp1%face%s_south /= id ) then
count=count+1
call MPI_Isend(array(1:kpp,1:n_h,1:ipp), &
(ipp*kpp)*n_h, MPIREAL, mp1%face%s_south, &
tag1, comm3d, request(count),error)
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! case where only 1 pe in x or y directions !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if ( mp1%face%s_west == id) then
! adjacent cells:
array(1:kpp,1:jpp,1-w_h:0)=array(1:kpp,1:jpp,ipp+1-w_h:ipp)
array(1:kpp,1:jpp,ipp+1:ipp+e_h)=array(1:kpp,1:jpp,1:e_h)
west_buf=array(1:kpp,1:jpp,ipp)
east_buf=array(1:kpp,1:jpp,1)
! corner cells - not relevant, because below surface and above lid
endif
if ( mp1%face%s_south == id) then
! adjacent cells:
array(1:kpp,1-s_h:0,1:ipp)=array(1:kpp,jpp+1-s_h:jpp,1:ipp)
array(1:kpp,jpp+1:jpp+n_h,1:ipp)=array(1:kpp,1:n_h,1:ipp)
south_buf=array(1:kpp,jpp,1:ipp)
north_buf=array(1:kpp,1,1:ipp)
! corner cells - not relevant, because below surface and above lid
endif
if ( mp1%face%s_top == -1) then
! adjacent cells:
array(kpp+1:kpp+u_h,1-s_h:jpp+n_h,1-w_h:ipp+e_h)=ubc
! corner cells - not relevant, because below surface and above lid
endif
if ( mp1%face%s_bottom == -1) then
! adjacent cells:
array(1-d_h:0,1-s_h:jpp+n_h,1-w_h:ipp+e_h)=lbc
! corner cells - not relevant, because below surface and above lid
endif
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! wait for all messages to return before writing buffers !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
call MPI_Waitall(count,request(1:count), status(:,1:count), error)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! write buffers !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
if(mp1%face%s_bottom /= -1) then
array(0,1:jpp,1:ipp)=bot_buf
endif
if(mp1%face%s_top /= -1) then
array(kpp+1,1:jpp,1:ipp)=top_buf
endif
array(1:kpp,1:jpp,0)=west_buf
array(1:kpp,1:jpp,ipp+1)=east_buf
array(1:kpp,0,1:ipp)=south_buf
array(1:kpp,jpp+1,1:ipp)=north_buf
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
end subroutine exchange_along_dim
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! exchange halos for a variable using Cartesian topology !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!>@author
!>Paul J. Connolly, The University of Manchester
!>@brief
!>define some types to be used in the model
!>@param[in] comm3d, id, ipp, jpp, kpp, w_h,e_h,s_h,n_h,d_h,u_h
!>@param[inout] array: the array to exchange_halos on
!>@param[in] lbc, ubc, dims,coords
subroutine exchange_full(comm3d, id, kpp, jpp, ipp, &
d_h,u_h,s_h,n_h,w_h, e_h, array, lbc,ubc, dims,coords)
implicit none
integer(i4b), intent(in) :: comm3d, id, ipp, jpp, kpp, w_h, e_h, s_h,n_h,d_h,u_h
real(wp), intent(inout), &
dimension(1-d_h:u_h+kpp,1-s_h:n_h+jpp,1-w_h:e_h+ipp) :: &
array
real(wp), intent(in) :: lbc, ubc
integer(i4b), dimension(3), intent(in) :: dims,coords
! locals:
integer(i4b), dimension(40) :: request
integer(i4b), dimension(MPI_STATUS_SIZE, 40) :: status
integer(i4b) :: error, tag1,num_messages,imess, tag2, count
! buffers for receiving data
! edges
real(wp), dimension(kpp) :: ws_bt, wn_bt, es_bt, en_bt
real(wp), dimension(ipp) :: bs_we, bn_we, ts_we, tn_we
real(wp), dimension(jpp) :: bw_sn, be_sn, tw_sn, te_sn
! corners
real(wp) :: wsb, wnb, wst, wnt, esb, enb, est, ent
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! exchange only only the dimensions !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
call exchange_along_dim(comm3d, id, kpp, jpp, ipp, &
d_h,u_h,s_h,n_h,w_h, e_h, array, lbc, ubc, dims,coords)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! edges !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
count=0
! ws_bt
call exchange_edges(comm3d, id,count,40,kpp,ws_bt,request,status, &
array,kpp,jpp,ipp,d_h,u_h,s_h,n_h,w_h, e_h, &
1, kpp, 1, n_h, 1, e_h, &
1, kpp, jpp+1, jpp+n_h, ipp+1, ipp+e_h, &
mp1%edge%s_ws_bt,mp1%edge%r_ws_bt)
! wn_bt
call exchange_edges(comm3d, id,count,40,kpp,wn_bt,request,status, &
array,kpp,jpp,ipp,d_h,u_h,s_h,n_h,w_h, e_h, &
1, kpp, jpp-s_h+1, jpp, 1, e_h, &
1, kpp, 1-s_h, 0, ipp+1, ipp+e_h, &
mp1%edge%s_wn_bt,mp1%edge%r_wn_bt)
! es_bt
call exchange_edges(comm3d, id,count,40,kpp,es_bt,request,status, &
array,kpp,jpp,ipp,d_h,u_h,s_h,n_h,w_h, e_h, &
1, kpp, 1, n_h, ipp-w_h+1, ipp, &
1, kpp, jpp+1, jpp+n_h, 1-w_h, 0, &
mp1%edge%s_es_bt,mp1%edge%r_es_bt)
! en_bt
call exchange_edges(comm3d, id,count,40,kpp,en_bt,request,status, &
array,kpp,jpp,ipp,d_h,u_h,s_h,n_h,w_h, e_h, &
1, kpp, jpp-s_h+1, jpp, ipp-w_h+1, ipp, &
1, kpp, 1-s_h, 0, 1-w_h, 0, &
mp1%edge%s_en_bt,mp1%edge%r_en_bt)
! bs_we
call exchange_edges(comm3d, id,count,40,ipp,bs_we,request,status, &
array,kpp,jpp,ipp,d_h,u_h,s_h,n_h,w_h, e_h, &
1, u_h, 1, n_h, 1, ipp, &
kpp+1, kpp+u_h, jpp+1, jpp+n_h, 1, ipp, &
mp1%edge%s_bs_we,mp1%edge%r_bs_we)
! bn_we
call exchange_edges(comm3d, id,count,40,ipp,bn_we,request,status, &
array,kpp,jpp,ipp,d_h,u_h,s_h,n_h,w_h, e_h, &
1, u_h, jpp-s_h+1, jpp, 1, ipp, &
kpp+1, kpp+u_h, 1-s_h, 0, 1, ipp, &
mp1%edge%s_bn_we,mp1%edge%r_bn_we)