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mpidefs-parallel-scan.f90
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mpidefs-parallel-scan.f90
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module mpidefs
! use mpi
implicit none
include 'mpif.h'
integer :: mstm_mpi_comm_world,mstm_mpi_sum,mstm_mpi_max,mstm_mpi_min
contains
subroutine mstm_mpi(mpi_command,mpi_recv_buf_i,mpi_recv_buf_r,mpi_recv_buf_c,mpi_recv_buf_dp, &
mpi_recv_buf_dc,mpi_send_buf_i,mpi_send_buf_r,mpi_send_buf_c, &
mpi_send_buf_dp,mpi_send_buf_dc,mpi_number,mpi_comm,mpi_group,mpi_rank,mpi_size,&
mpi_new_comm,mpi_new_group,mpi_new_group_list,mpi_operation)
integer, optional :: mpi_number,mpi_recv_buf_i(*),mpi_send_buf_i(*),mpi_comm,mpi_group,mpi_rank, &
mpi_size,mpi_new_comm,mpi_new_group,mpi_new_group_list(*),mpi_operation
integer :: stat(MPI_STATUS_SIZE)
real(4), optional :: mpi_recv_buf_r(*),mpi_send_buf_r(*)
real(8), optional :: mpi_recv_buf_dp(*),mpi_send_buf_dp(*)
complex(4), optional :: mpi_recv_buf_c(*),mpi_send_buf_c(*)
complex(8), optional :: mpi_recv_buf_dc(*),mpi_send_buf_dc(*)
character(*) :: mpi_command
integer :: type,ierr,comm,size,rank,group,newcomm
if(mpi_command.eq.'init') then
call mpi_init(ierr)
mstm_mpi_comm_world=mpi_comm_world
mstm_mpi_sum=mpi_sum
mstm_mpi_max=mpi_max
mstm_mpi_min=mpi_min
return
endif
if(mpi_command.eq.'finalize') then
call mpi_finalize(ierr)
return
endif
if(present(mpi_comm)) then
comm=mpi_comm
else
comm=mpi_comm_world
endif
if(mpi_command.eq.'size') then
call mpi_comm_size(comm,size,ierr)
mpi_size=size
return
endif
if(mpi_command.eq.'rank') then
call mpi_comm_rank(comm,rank,ierr)
mpi_rank=rank
return
endif
if(mpi_command.eq.'group') then
call mpi_comm_group(comm,group,ierr)
mpi_group=group
return
endif
if(mpi_command.eq.'incl') then
call mpi_group_incl(mpi_group,mpi_size,mpi_new_group_list,group,ierr)
mpi_new_group=group
return
endif
if(mpi_command.eq.'create') then
call mpi_comm_create(comm,mpi_group,newcomm,ierr)
mpi_new_comm=newcomm
return
endif
if(mpi_command.eq.'barrier') then
call mpi_barrier (comm,ierr)
return
endif
if(present(mpi_recv_buf_i).or.present(mpi_send_buf_i)) then
type=mpi_integer
if(mpi_command.eq.'bcast') then
call MPI_BCAST (mpi_send_buf_i,mpi_number,type,mpi_rank,comm,ierr)
return
endif
if(mpi_command.eq.'send') then
call mpi_send(mpi_send_buf_i,mpi_number,type,mpi_rank,1,comm,ierr)
return
endif
if(mpi_command.eq.'recv') then
call mpi_recv(mpi_recv_buf_i,mpi_number,type,mpi_rank,1,comm,stat,ierr)
return
endif
if(mpi_command.eq.'reduce') then
if(present(mpi_send_buf_i)) then
call mpi_reduce(mpi_send_buf_i,mpi_recv_buf_i,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
else
call mpi_reduce(mpi_in_place,mpi_recv_buf_i,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
endif
return
endif
if(mpi_command.eq.'allreduce') then
if(present(mpi_send_buf_i)) then
call mpi_allreduce(mpi_send_buf_i,mpi_recv_buf_i,mpi_number,type,mpi_operation, &
comm,ierr)
else
call mpi_allreduce(mpi_in_place,mpi_recv_buf_i,mpi_number,type,mpi_operation, &
comm,ierr)
endif
return
endif
if(mpi_command.eq.'gather') then
if(present(mpi_send_buf_i)) then
call mpi_gather(mpi_send_buf_i,mpi_number,type,mpi_recv_buf_i,mpi_number,type, &
mpi_rank,comm,ierr)
else
call mpi_gather(mpi_in_place,mpi_number,type,mpi_recv_buf_i,mpi_number,type, &
mpi_rank,comm,ierr)
endif
return
endif
endif
if(present(mpi_recv_buf_r).or.present(mpi_send_buf_r)) then
type=mpi_real
if(mpi_command.eq.'bcast') then
call MPI_BCAST (mpi_send_buf_r,mpi_number,type,mpi_rank,comm,ierr)
return
endif
if(mpi_command.eq.'send') then
call mpi_send(mpi_send_buf_r,mpi_number,type,mpi_rank,1,comm,ierr)
return
endif
if(mpi_command.eq.'recv') then
call mpi_recv(mpi_recv_buf_r,mpi_number,type,mpi_rank,1,comm,stat,ierr)
return
endif
if(mpi_command.eq.'reduce') then
if(present(mpi_send_buf_r)) then
call mpi_reduce(mpi_send_buf_r,mpi_recv_buf_r,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
else
call mpi_reduce(mpi_in_place,mpi_recv_buf_r,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
endif
return
endif
if(mpi_command.eq.'allreduce') then
if(present(mpi_send_buf_r)) then
call mpi_allreduce(mpi_send_buf_r,mpi_recv_buf_r,mpi_number,type,mpi_operation, &
comm,ierr)
else
call mpi_allreduce(mpi_in_place,mpi_recv_buf_r,mpi_number,type,mpi_operation, &
comm,ierr)
endif
return
endif
if(mpi_command.eq.'gather') then
if(present(mpi_send_buf_r)) then
call mpi_gather(mpi_send_buf_r,mpi_number,type,mpi_recv_buf_r,mpi_number,type, &
mpi_rank,comm,ierr)
else
call mpi_gather(mpi_in_place,mpi_number,type,mpi_recv_buf_r,mpi_number,type, &
mpi_rank,comm,ierr)
endif
return
endif
endif
if(present(mpi_recv_buf_c).or.present(mpi_send_buf_c)) then
type=mpi_complex
if(mpi_command.eq.'bcast') then
call MPI_BCAST (mpi_send_buf_c,mpi_number,type,mpi_rank,comm,ierr)
return
endif
if(mpi_command.eq.'send') then
call mpi_send(mpi_send_buf_c,mpi_number,type,mpi_rank,1,comm,ierr)
return
endif
if(mpi_command.eq.'recv') then
call mpi_recv(mpi_recv_buf_c,mpi_number,type,mpi_rank,1,comm,stat,ierr)
return
endif
if(mpi_command.eq.'reduce') then
if(present(mpi_send_buf_c)) then
call mpi_reduce(mpi_send_buf_c,mpi_recv_buf_c,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
else
call mpi_reduce(mpi_in_place,mpi_recv_buf_c,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
endif
return
endif
if(mpi_command.eq.'allreduce') then
if(present(mpi_send_buf_c)) then
call mpi_allreduce(mpi_send_buf_c,mpi_recv_buf_c,mpi_number,type,mpi_operation, &
comm,ierr)
else
call mpi_allreduce(mpi_in_place,mpi_recv_buf_c,mpi_number,type,mpi_operation, &
comm,ierr)
endif
return
endif
if(mpi_command.eq.'gather') then
if(present(mpi_send_buf_c)) then
call mpi_gather(mpi_send_buf_c,mpi_number,type,mpi_recv_buf_c,mpi_number,type, &
mpi_rank,comm,ierr)
else
call mpi_gather(mpi_in_place,mpi_number,type,mpi_recv_buf_c,mpi_number,type, &
mpi_rank,comm,ierr)
endif
return
endif
endif
if(present(mpi_recv_buf_dp).or.present(mpi_send_buf_dp)) then
type=mpi_double_precision
if(mpi_command.eq.'bcast') then
call MPI_BCAST (mpi_send_buf_dp,mpi_number,type,mpi_rank,comm,ierr)
return
endif
if(mpi_command.eq.'send') then
call mpi_send(mpi_send_buf_dp,mpi_number,type,mpi_rank,1,comm,ierr)
return
endif
if(mpi_command.eq.'recv') then
call mpi_recv(mpi_recv_buf_dp,mpi_number,type,mpi_rank,1,comm,stat,ierr)
return
endif
if(mpi_command.eq.'reduce') then
if(present(mpi_send_buf_dp)) then
call mpi_reduce(mpi_send_buf_dp,mpi_recv_buf_dp,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
else
call mpi_reduce(mpi_in_place,mpi_recv_buf_dp,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
endif
return
endif
if(mpi_command.eq.'allreduce') then
if(present(mpi_send_buf_dp)) then
call mpi_allreduce(mpi_send_buf_dp,mpi_recv_buf_dp,mpi_number,type,mpi_operation, &
comm,ierr)
else
call mpi_allreduce(mpi_in_place,mpi_recv_buf_dp,mpi_number,type,mpi_operation, &
comm,ierr)
endif
return
endif
if(mpi_command.eq.'gather') then
if(present(mpi_send_buf_dp)) then
call mpi_gather(mpi_send_buf_dp,mpi_number,type,mpi_recv_buf_dp,mpi_number,type, &
mpi_rank,comm,ierr)
else
call mpi_gather(mpi_in_place,mpi_number,type,mpi_recv_buf_dp,mpi_number,type, &
mpi_rank,comm,ierr)
endif
return
endif
endif
if(present(mpi_recv_buf_dc).or.present(mpi_send_buf_dc)) then
type=mpi_double_complex
if(mpi_command.eq.'bcast') then
call MPI_BCAST (mpi_send_buf_dc,mpi_number,type,mpi_rank,comm,ierr)
return
endif
if(mpi_command.eq.'send') then
call mpi_send(mpi_send_buf_dc,mpi_number,type,mpi_rank,1,comm,ierr)
return
endif
if(mpi_command.eq.'recv') then
call mpi_recv(mpi_recv_buf_dc,mpi_number,type,mpi_rank,1,comm,stat,ierr)
return
endif
if(mpi_command.eq.'reduce') then
if(present(mpi_send_buf_dc)) then
call mpi_reduce(mpi_send_buf_dc,mpi_recv_buf_dc,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
else
call mpi_reduce(mpi_in_place,mpi_recv_buf_dc,mpi_number,type,mpi_operation, &
mpi_rank,comm,ierr)
endif
return
endif
if(mpi_command.eq.'allreduce') then
if(present(mpi_send_buf_dc)) then
call mpi_allreduce(mpi_send_buf_dc,mpi_recv_buf_dc,mpi_number,type,mpi_operation, &
comm,ierr)
else
call mpi_allreduce(mpi_in_place,mpi_recv_buf_dc,mpi_number,type,mpi_operation, &
comm,ierr)
endif
return
endif
if(mpi_command.eq.'gather') then
if(present(mpi_send_buf_dc)) then
call mpi_gather(mpi_send_buf_dc,mpi_number,type,mpi_recv_buf_dc,mpi_number,type, &
mpi_rank,comm,ierr)
else
call mpi_gather(mpi_recv_buf_dc,mpi_number,type,mpi_recv_buf_dc,mpi_number,type, &
mpi_rank,comm,ierr)
endif
return
endif
endif
end subroutine mstm_mpi
end module mpidefs