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quantum_package/plugins/MPI/broadcast.irp.f
2017-11-23 19:24:42 +01:00

113 lines
2.9 KiB
Fortran

BEGIN_TEMPLATE
subroutine broadcast_chunks_$double(A, LDA)
implicit none
integer, intent(in) :: LDA
$type, intent(inout) :: A(LDA)
use bitmasks
include 'mpif.h'
BEGIN_DOC
! Broadcast with chunks of ~2GB
END_DOC
integer :: i, sze, ierr
do i=1,LDA,2000000000/$8
sze = min(LDA-i+1, 2000000000/$8)
! call MPI_BARRIER(MPI_COMM_WORLD)
call MPI_BCAST (A(i), sze, MPI_$DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast chuks $double ', i
stop -1
endif
enddo
end
SUBST [ double, type, 8, DOUBLE_PRECISION ]
double ; double precision ; 8 ; DOUBLE_PRECISION ;;
bit_kind ; integer(bit_kind) ; bit_kind_size ; BIT_KIND ;;
integer ; integer ; 4 ; INTEGER4 ;;
integer8 ; integer*8 ; 8 ; INTEGER8 ;;
END_TEMPLATE
subroutine mpi_bcast_psi(energy, size_energy)
implicit none
BEGIN_DOC
! Broadcast the wave function via MPI
END_DOC
integer, intent(in) :: size_energy
double precision, intent(inout) :: energy(size_energy)
PROVIDE mpi_initialized
IRP_IF MPI
include 'mpif.h'
integer :: ierr
! call MPI_BARRIER(MPI_COMM_WORLD)
call MPI_BCAST (N_states, 1, MPI_INTEGER, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast N_states'
stop -1
endif
! call MPI_BARRIER(MPI_COMM_WORLD)
call MPI_BCAST (N_det, 1, MPI_INTEGER, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast N_det'
stop -1
endif
! call MPI_BARRIER(MPI_COMM_WORLD)
call MPI_BCAST (psi_det_size, 1, MPI_INTEGER, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast psi_det_size'
stop -1
endif
if (.not.mpi_master) then
TOUCH psi_det_size N_det N_states
endif
call broadcast_chunks_bit_kind(psi_det,N_det*N_int*2)
call broadcast_chunks_double(psi_coef,N_states*N_det)
if (.not.mpi_master) then
TOUCH psi_det psi_coef
endif
! call MPI_BARRIER(MPI_COMM_WORLD)
call MPI_BCAST (N_det_generators, 1, MPI_INTEGER, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast N_det_generators'
stop -1
endif
if (.not.mpi_master) then
TOUCH N_det_generators
endif
! call MPI_BARRIER(MPI_COMM_WORLD)
call MPI_BCAST (N_det_selectors, 1, MPI_INTEGER, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast N_det_selectors'
stop -1
endif
if (.not.mpi_master) then
TOUCH N_det_selectors
endif
! call MPI_BARRIER(MPI_COMM_WORLD)
call MPI_BCAST (energy, size(energy), MPI_DOUBLE_PRECISION, 0, MPI_COMM_WORLD, ierr)
if (ierr /= MPI_SUCCESS) then
print *, 'Unable to broadcast energy'
stop -1
endif
! call MPI_BARRIER(MPI_COMM_WORLD)
IRP_ENDIF
end